Volume 118
Main Index

Issue 01

The Reaction of α-Diazo-β-hydroxy Esters with Boron Trifluoride Etherate:  Generation and Rearrangement of Destabilized Vinyl Cations. A Detailed Experimental and Theoretical Study Roberto Pellicciari, Benedetto Natalini, Bahman M. Sadeghpour, Maura Marinozzi, James P. Snyder, Bobby L. Williamson, Jeffrey T. Kuethe, and Albert Padwa pp 1–12 DOI: 10.1021/ja950971s Supporting Info

Absolute Kinetics of Aminium Radical Reactions with Olefins in Acetonitrile Solution1 Brian D. Wagner, Géraldine Ruel, and Janusz Lusztyk pp 13–19 DOI: 10.1021/ja950133y

Solvent Dependent Leaving Group Fluorine Kinetic Isotope Effect in a Nucleophilic Aromatic Substitution Reaction Jonas Persson, Svante Axelsson, and Olle Matsson pp 20–23 DOI: 10.1021/ja952003v

XAS Structural Comparisons of Reversibly Interconvertible Oxo- and Hydroxo-Bridged Heme-Copper Oxidase Model Compounds Stephen Fox, Alaganandan Nanthakumar, Mårten Wikström, Kenneth D. Karlin, and Ninian J. Blackburn pp 24–34 DOI: 10.1021/ja951686b Supporting Info

Toward an Understanding of the High Enantioselectivity in the Osmium-Catalyzed Asymmetric Dihydroxylation. 3. New Insights into Isomeric Forms of the Putative Osmaoxetane Intermediate Per-Ola Norrby, Heinrich Becker, and K. Barry Sharpless pp 35–42 DOI: 10.1021/ja952470c Supporting Info

Self-Assembling Peptide Nanotubes Jeffrey D. Hartgerink, Juan R. Granja, Ronald A. Milligan, and M. Reza Ghadiri pp 43–50 DOI: 10.1021/ja953070s

New Selectivity and Turnover in Peptide Hydrolysis by Metal Complexes. A Palladium(II) Aqua Complex Catalyzes Cleavage of Peptides Next to the Histidine Residue Tatjana N. Parac and Nenad M. Kostić pp 51–58 DOI: 10.1021/ja952162e

A Highly Diastereoselective and Enantioselective Ti(OTos)2−TADDOLate-Catalyzed 1,3-Dipolar Cycloaddition Reaction of Alkenes with Nitrones Kurt V. Gothelf, Ib Thomsen, and Karl Anker Jørgensen pp 59–64 DOI: 10.1021/ja952726e Supporting Info

Manganese L-Edge X-ray Absorption Spectroscopy of Manganese Catalase from Lactobacillus plantarum and Mixed Valence Manganese Complexes M. M. Grush, J. Chen, T. L. Stemmler, S. J. George, C. Y. Ralston, R. T. Stibrany, A. Gelasco, G. Christou, S. M. Gorun, J. E. Penner-Hahn, and S. P. Cramer pp 65–69 DOI: 10.1021/ja951614k

A Hexamethyl Derivative of [9]Mercuracarborand-3:  Synthesis, Characterization, and Host−Guest Chemistry Alfred A. Zinn, Zhiping Zheng, Carolyn B. Knobler, and M. Frederick Hawthorne pp 70–74 DOI: 10.1021/ja952474h Supporting Info

A Serine → Cysteine Ligand Mutation in the High Potential Iron−Sulfur Protein from Chromatium vinosum Provides Insight into the Electronic Structure of the [4Fe−4S] Cluster Elena Babini, Ivano Bertini, Marco Borsari, Francesco Capozzi, Alexander Dikiy, Lindsay D. Eltis, and Claudio Luchinat pp 75–80 DOI: 10.1021/ja952636+

Ultrafast Photoinduced Electron Transfer in a Chlorophyll-Based Triad:  Vibrationally Hot Ion Pair Intermediates and Dynamic Solvent Effects Gary P. Wiederrecht, Mark P. Niemczyk, Walter A. Svec, and Michael R. Wasielewski pp 81–88 DOI: 10.1021/ja953159y

Carbon−Carbon Coupling and Carbon−Hydrogen Activation Reactions in Bis(triisopropylphosphine)osmium Complexes Miguel A. Esteruelas, Fernando J. Lahoz, Enrique Oñate, Luis A. Oro, and Eduardo Sola pp 89–99 DOI: 10.1021/ja952186l Supporting Info

Synthesis and Applications of RuCl2(CHR‘)(PR3)2:  The Influence of the Alkylidene Moiety on Metathesis Activity Peter Schwab, Robert H. Grubbs, and Joseph W. Ziller pp 100–110 DOI: 10.1021/ja952676d Supporting Info

Inversion of Stereochemistry in the Co2(CO)8-Catalyzed Carbonylation of Aziridines to β-Lactams. The First Synthesis of Highly Strained trans-Bicyclic β-Lactams Marcelo E. Piotti and Howard Alper pp 111–116 DOI: 10.1021/ja9531586 Supporting Info

Photoinduced Oxidation of Microperoxidase-8:  Generation of Ferryl and Cation-Radical Porphyrins Donald W. Low, Jay R. Winkler, and Harry B. Gray pp 117–120 DOI: 10.1021/ja9530477

Investigation of the Dinuclear Fe Center of Methane Monooxygenase by Advanced Paramagnetic Resonance Techniques:  On the Geometry of DMSO Binding Victoria J. DeRose, Katherine E. Liu, Stephen J. Lippard, and Brian M. Hoffman pp 121–134 DOI: 10.1021/ja951108v Supporting Info

HAlCl and AlCl2:  A Matrix Isolation ESR Study Ralf Köppe and Paul H. Kasai pp 135–139 DOI: 10.1021/ja952736f

Photoinduced Electron Transfer Reactions of Aryl Olefins. 2. Cis−Trans Isomerization and Cycloadduct Formation in Anethole−Fumaronitrile Systems in Polar Solvents Martin Goez and Gerd Eckert pp 140–154 DOI: 10.1021/ja9511578

A Stepwise Electron-Transfer Relay Mimicking the Primary Charge Separation in Bacterial Photosynthetic Reaction Center Atsuhiro Osuka, Shinji Marumo, Noboru Mataga, Seiji Taniguchi, Tadashi Okada, Iwao Yamazaki, Yoshinobu Nishimura, Takeshi Ohno, and Koichi Nozaki pp 155–168 DOI: 10.1021/ja9520676

The Azulene S1 State Decays via a Conical Intersection:  A CASSCF Study with MMVB Dynamics Michael J. Bearpark, Fernando Bernardi, Simon Clifford, Massimo Olivucci, Michael A. Robb, Barry R. Smith, and Thom Vreven pp 169–175 DOI: 10.1021/ja9514555

Mechanism of the Oxadi-π-methane and [1,3]-Acyl Sigmatropic Rearrangements of β,γ-Enones:  A Theoretical Study Sarah Wilsey, Michael J. Bearpark, Fernando Bernardi, Massimo Olivucci, and Michael A. Robb pp 176–184 DOI: 10.1021/ja9522802 Supporting Info

Theoretical Study of the Absorption and Emission Spectra of Indole in the Gas Phase and in a Solvent Luis Serrano-Andrés and Björn O. Roos pp 185–195 DOI: 10.1021/ja952035i

Hydration in the Gas Phase of the Orthophosphate Anion, (HO)2PO2-, and the Conversion of the Orthophosphate to the Metaphosphate, PO3-, Ion Arthur T. Blades, Yeunghaw Ho, and Paul Kebarle pp 196–201 DOI: 10.1021/ja952169w

Structure of Gramicidin S (M + H + X)2+ Ions (X = Li, Na, K) Probed by Proton Transfer Reactions Deborah S. Gross and Evan R. Williams pp 202–204 DOI: 10.1021/ja952426x

Microwave Molecular Structure Measurements for Tetracarbonyldihydroosmium, a Classical Dihydride S. G. Kukolich, S. M. Sickafoose, and S. M. Breckenridge pp 205–208 DOI: 10.1021/ja9524210

Perfluorocyclopropene:  Experimental and Theoretical Studies of Its Structure in Gaseous, Solution, and Crystalline Phases Basil T. Abdo, Ian L. Alberts, Christopher J. Attfield, R. Eric Banks, Alexander J. Blake, Paul T. Brain, A. Peter Cox, Colin R. Pulham, David W. H. Rankin, Heather E. Robertson, Vincent Murtagh, Axel Heppeler, and Carole Morrison pp 209–216 DOI: 10.1021/ja952620j Supporting Info

The Structures of Cyclopropane−Amine van der Waals Complexes Susan E. Forest and Robert L. Kuczkowski pp 217–224 DOI: 10.1021/ja952849z Supporting Info

Bicluster Oxidative Addition:  The Bicapped Trigonal Prism in [Pt6(μ3-SnBr3)2(μ-CO)6(μ-Ph2PCH2PPh2)3] and Related Clusters Greg J. Spivak, Leijun Hao, Jagadese J. Vittal, and Richard J. Puddephatt pp 225–226 DOI: 10.1021/ja9530883 Supporting Info

Isotriazene:  A Surprisingly Stable Minimum on the N3H3 Surface Edward A. SalterRyan Z. Hinrichs and Carl Salter pp 227–228 DOI: 10.1021/ja943321h

Quantitative Ring-Closing Metathesis of Polyolefins Geoffrey W. Coates and Robert H. Grubbs pp 229–230 DOI: 10.1021/ja9532603

Determination of the Gas-Phase Basicity of Betaine and Related Compounds Using the Kinetic Method Jeffrey S. Patrick, Sheng S. Yang, and R. Graham Cooks pp 231–232 DOI: 10.1021/ja9521177 Supporting Info

General Strategy for the Asymmetric Synthesis of the Picrotoxanes Barry M. Trost and Michael J. Krische pp 233–234 DOI: 10.1021/ja953060r Supporting Info

On the Question of the Symmetry of Formally Symmetrical π-(Allyl)palladium Cationic Intermediates in Allylic Alkylations Barry M. Trost and Richard C. Bunt pp 235–236 DOI: 10.1021/ja9530782 Supporting Info

Solid State Photochemistry of Cu2(OH2)2(O2C(CH2)4CH3)4 in Thin Films:  The Photochemical Formation of High-Quality Films of Copper and Copper(I) Oxide. Demonstration of a Novel Lithographic Technique for the Patterning of Copper Alfred A. Avey and Ross H. Hill pp 237–238 DOI: 10.1021/ja952937j Supporting Info

Probing an Acyl Enzyme of Selenosubtilisin by Raman Spectroscopy M. J. O'Connor, R. B. Dunlap, J. D. Odom, D. Hilvert, M. Pusztai-Carey, B. C. Shenoy, and P. R. Carey pp 239–240 DOI: 10.1021/ja952981z

5-Fluoro Glycosides:  A New Class of Mechanism-Based Inhibitors of Both α- and β-Glucosidases John D. McCarter and Stephen G. Withers pp 241–242 DOI: 10.1021/ja952732a

Electronic Coupling in C-Clamp-Shaped Molecules:  Solvent-Mediated Superexchange Pathways Krishna Kumar, Zhe Lin, David H. Waldeck, and Matthew B. Zimmt pp 243–244 DOI: 10.1021/ja952999+

Sugar-Controlled Aggregate Formation in Boronic Acid-Appended Porphyrin Amphiphiles Susumu Arimori, Masayuki Takeuchi, and Seiji Shinkai pp 245–246 DOI: 10.1021/ja953323h

Stereoselective Synthesis of β-Mannopyranosides via the Temporary Silicon Connection Method Gilbert Stork and James J. La Clair pp 247–248 DOI: 10.1021/ja9532291 Supporting Info

New Approaches to Singlet−Triplet Spin−Orbit Coupling in Photochemistry and Diradical Chemistry. Mechanistic and Exploratory Organic Photochemistry1,2 Howard E. Zimmerman and Andrei G. Kutateladze pp 249–250 DOI: 10.1021/ja953052a Supporting Info

The Influence of Hapten Size and Hydrophobicity on the Catalytic Activity of Elicited Polyclonal Antibodies Michael B. Wallace and Brent L. Iverson pp 251–252 DOI: 10.1021/ja9524311 Supporting Info

Solid-Supported Combinatorial Synthesis of Structurally Diverse β-Lactams Beatrice Ruhland, Ashok Bhandari, Eric M. Gordon, and Mark A. Gallop pp 253–254 DOI: 10.1021/ja953322p Supporting Info

Oligonucleotide Mimics for Antisense Therapeutics:  Solution Phase and Automated Solid-Support Synthesis of MMI Linked Oligomers François Morvan, Yogesh S. Sanghvi, Michel Perbost, Jean-Jacques Vasseur, and Laurent Bellon pp 255–256 DOI: 10.1021/ja9533959 Supporting Info

Binding of Porphyrins in Cyclodextrin Dimers Fokke Venema, Alan E. Rowan, and Roeland J. M. Nolte pp 257–258 DOI: 10.1021/ja952401y

Induced Circular Dichroism in Cyanine Borate Penetrated Ion Pairs David J. Owen and Gary B. Schuster pp 259–260 DOI: 10.1021/ja9532300

Reactions of SmI2 with Olefins:  Mechanism and Complexation Effect on Chemoselectivity Avihai Yacovan and Shmaryahu HozItzhak Bilkis pp 261–262 DOI: 10.1021/ja950937d

Direct Measurement of the Reduction Potential of Catalytically Active Cytochrome c Peroxidase Compound I:  Voltammetric Detection of a Reversible, Cooperative Two-Electron Transfer Reaction Madhu S. Mondal, Helen A. Fuller, and Fraser A. Armstrong pp 263–264 DOI: 10.1021/ja952489f

1,3-Bis(3,4-dimethylene-5-methyl-2-thienyl)benzene, a Singlet Tetraradical Prototype of a Quasi-Alternant Nonclassical Conducting Polymer Helen S. M. Lu and Jerome A. Berson pp 265–266 DOI: 10.1021/ja9532289 Supporting Info

Copolymerization of Ethylene and Propylene with Functionalized Vinyl Monomers by Palladium(II) Catalysts Lynda K. Johnson, Stefan Mecking, and Maurice Brookhart pp 267–268 DOI: 10.1021/ja953247i Supporting Info

Magnetically Aligned Membrane Model Systems with Positive Order Parameter:  Switching the Sign of Szz with Paramagnetic Ions R. Scott Prosser, Sheri A. Hunt, John A. DiNatale, and Regitze R. Vold pp 269–270 DOI: 10.1021/ja953598x

Distinguishing Helix Conformations in Alanine-Rich Peptides Using the Unnatural Amino Acid TOAC and Electron Spin Resonance Paul Hanson, Gary Martinez, Glenn Millhauser, Fernando Formaggio, Marco Crisma, Claudio Toniolo, and Claudio Vita pp 271–272 DOI: 10.1021/ja952423k Supporting Info

Dynamics of Solvent Exchange in Organolithium Reagents. Lithium as a Center of Chirality1 Hans J. Reich and Klaus J. Kulicke pp 273–274 DOI: 10.1021/ja953198+

Mechanistic Studies of the Inactivation of Crotonase by (Methylenecyclopropyl)formyl-CoA Ding Li, Zhihong Guo, and Hung-wen Liu pp 275–276 DOI: 10.1021/ja952621b

Anion Helicates:  Double Strand Helical Self-Assembly of Chiral Bicyclic Guanidinium Dimers and Tetramers around Sulfate Templates Jorge Sánchez-Quesada, Christian Seel, Pilar Prados, and Javier de MendozaIonara Dalcol and Ernest Giralt pp 277–278 DOI: 10.1021/ja953243d Supporting Info

Unusual Effect of CO on C2H2 Reduction by V Nitrogenase from Azotobacter vinelandii Linda M. Cameron and Brian J. Hales pp 279–280 DOI: 10.1021/ja953124y

Rapid Freeze−Quench ENDOR of the Radical X Intermediate of Escherichia coli Ribonucleotide Reductase Using 17O2, H217O, and 2H2O Doug Burdi, Bradley E. Sturgeon, Wing H. Tong, JoAnne Stubbe, and Brian M. Hoffman pp 281–282 DOI: 10.1021/ja952651e

Titanium-Mediated Heterodehydrocoupling of Tributylstannane and Tellurium. X-ray Structure of (C5Me5)2TiTeSn(C6H5)3 Jason M. Fischer, Warren E. Piers, Susan D. Pearce Batchilder, and Michael J. Zaworotko pp 283–284 DOI: 10.1021/ja953081l Supporting Info

Synthesis and Structure of Helical Supramolecular Arrays Tatsuya Kawamoto, Brian S. Hammes, Brian Haggerty, Glenn P. A. Yap, Arnold L. Rheingold, and A. S. Borovik pp 285–286 DOI: 10.1021/ja953227g Supporting Info

Protein Structure-Based Combinatorial Chemistry:  Discovery of Non-Peptide Binding Elements to Src SH3 Domain Andrew P. Combs, Tarun M. Kapoor, Sibo Feng, James K. Chen, Lygia F. Daudé-Snow, and Stuart L. Schreiber pp 287–288 DOI: 10.1021/ja953750v Supporting Info

N-Hydroxypyridine-2(1H)-thione:  Not a Selective Generator of Hydroxyl Radicals in Aqueous Solution Béatrice M. Aveline, Irene E. Kochevar, and Robert W. Redmond pp 289–290 DOI: 10.1021/ja953293i

Intramolecular Hydroxycyclopropanation of ω-Vinyl Carboxylic Esters Jinhwa Lee, Chul Hyun Kang, Heejin Kim, and Jin Kun Cha pp 291–292 DOI: 10.1021/ja953055n Supporting Info

Type II‘ to Type I β-Turn Swap Changes Specificity for Integrins Alvin C. Bach, II, J. Robert Espina, Sharon A. Jackson, Pieter F. W. Stouten, Jodie L. Duke, Shaker A. Mousa, and William F. DeGrado pp 293–294 DOI: 10.1021/ja953163+ Supporting Info

T-Shaped Molecular Building Units in the Porous Structure of Ag(4,4‘-bpy)·NO3 O. M. Yaghi and Hailian Li pp 295–296 DOI: 10.1021/ja953438l Supporting Info

A Theoretical Study of the Allene Effect in [1,n] Sigmatropic Hydrogen Shifts J. Am. Chem. Soc. 1995, 117, 7487−7492 Frank Jensen p 297 DOI: 10.1021/ja955031m

Polymers at Interfaces Edited by G. J. Fleer, M. A. Cohen Stuart, and J. M. H. M. Scheutjens (Wageningen Agricultural University, The Netherlands) and T. Cosgrove and B. Vincent (University of Bristol, United Kingdom). Chapman & Hall: London. 1993. xviii + 502 pp. $112.50. ISBN 0-412-58160-4. Harry J. Ploehn pp 297–298 DOI: 10.1021/ja945120j

Chemistry of Non-stoichiometric Compounds By K. Kosuge (Kyoto University). Oxford Science Publications:  Oxford, New York, and Tokyo. 1994. x + 262 pp. $75.00. ISBN 0-19-855555-5. LeRoy Eyring p 298 DOI: 10.1021/ja945020d

Advances in Electrochemical Science and Engineering, Volume 4 Edited by Heinz Gerischer (Fritz-Haber-Institute, Berlin) and Charles W. Tobias (University of CaliforniaBerkeley). VCH:  New York. 1995. vi + 430 pp. $145.00. ISBN 3-527-29205-5. p 298 DOI: 10.1021/ja9553617

Phytochemistry of Plants Used in Traditional Medicine Edited by K. Hostettmann, A. Marston, M. Maillard, and M. Hamburger (Universite de Lausanne, Switzerland). Oxford University Press:  North Carolina. 1995. xiii + 408 pp. $130.00. ISBN 0-19-857775-3. p 298 DOI: 10.1021/ja955365b

Modern Synthetic Methods 1995 Edited by Beat Ernst (Ciba-Geigy, Bern) and Christian Leumann (University of Bern, Switzerland). VCH:  New York. 1995. ix + 453 pp. $80.00. ISBN 3-906390-12-8. p 298 DOI: 10.1021/ja9553664

Molecular Biology and Biotechnology Edited by Robert A. Meyers. VCH:  New York. 1995. xxxviii + 1034 pp. $59.95. ISBN 1-56081-925-1. p 298 DOI: 10.1021/ja955367w

Issue 02

Evidence for Concert in the Thermal Unimolecular Vinylcyclopropane to Cyclopentene Sigmatropic 1,3-Shift Joseph J. Gajewski, Leif P. Olson, and M. Robert Willcott, III pp 299–306 DOI: 10.1021/ja951578p

Orthogonal Ligation of Unprotected Peptide Segments through Pseudoproline Formation for the Synthesis of HIV-1 Protease Analogs, Chuan-Fa Liu, Chang Rao, and James P. Tam pp 307–312 DOI: 10.1021/ja952790w

Positive Halogens from Halides and Hydrogen Peroxide with Organotellurium Catalysts Michael R. Detty, Feng Zhou, and Alan E. Friedman pp 313–318 DOI: 10.1021/ja953187g

Kinetic Investigations Provide Additional Evidence That an Enzyme-like Binding Pocket Is Crucial for High Enantioselectivity in the Bis-Cinchona Alkaloid Catalyzed Asymmetric Dihydroxylation of Olefins E. J. Corey and Mark C. Noe pp 319–329 DOI: 10.1021/ja952567z Supporting Info

Preparation and Characterization of the Disjoint Diradical 4,4‘-Bis(1,2,3,5-dithiadiazolyl) [S2N2C−CN2S2] and Its Iodine Charge Transfer Salt [S2N2C−CN2S2][I] C. D. Bryan, A. W. Cordes, J. D. Goddard, R. C. Haddon, R. G. Hicks, C. D. MacKinnon, R. C. Mawhinney, R. T. Oakley, T. T. M. Palstra, and A. S. Perel pp 330–338 DOI: 10.1021/ja952144x Supporting Info

Cyclopentacorannulene:  π-Facial Stereoselective Deuterogenation and Determination of the Bowl-to-Bowl Inversion Barrier for a Constrained Buckybowl Andrzej Sygula, Atteye H. Abdourazak, and Peter W. Rabideau pp 339–343 DOI: 10.1021/ja9521987

Homogeneous Catalysis in Supercritical Fluids:  Hydrogenation of Supercritical Carbon Dioxide to Formic Acid, Alkyl Formates, and Formamides Philip G. Jessop, Yi Hsiao, Takao Ikariya, and Ryoji Noyori pp 344–355 DOI: 10.1021/ja953097b

Covalently Bonded Fluorine as a σ-Donor for Groups I and II Metal Ions in Partially Fluorinated Macrocycles Herbert Plenio and Ralph Diodone pp 356–367 DOI: 10.1021/ja952928a Supporting Info

New BETS Conductors with Magnetic Anions (BETS = bis(ethylenedithio)tetraselenafulvalene) Hayao Kobayashi, Hideto Tomita, Toshio Naito, Akiko Kobayashi, Fumiko Sakai, Tokuko Watanabe, and Patrick Cassoux pp 368–377 DOI: 10.1021/ja9523350 Supporting Info

Investigation of Through-Bond Coupling Dependence on Spacer Structure Basil P. Paulson, Larry A. Curtiss, B. Bal, Gerhard L. Closs, and John R. Miller pp 378–387 DOI: 10.1021/ja952852i

Chemical Reactivity of Singlet Sigma Oxygen (b1Σg+) in Solution Rodger D. Scurlock, Bojie Wang, and Peter R. Ogilby pp 388–392 DOI: 10.1021/ja953433o

Direct Observation of Complexation of Alkali Cations on Cyanide-Modified Pt(111) by Scanning Tunneling Microscopy Youn-Geun Kim, Shueh-Lin Yau, and Kingo Itaya pp 393–400 DOI: 10.1021/ja9521841

Probing Hydrogen Bonding and the Local Environment of Silanols on Silica Surfaces via Nuclear Spin Cross Polarization Dynamics I-Ssuer Chuang and Gary E. Maciel pp 401–406 DOI: 10.1021/ja951550d

An Approach to the Structure Determination of Larger Proteins Using Triple Resonance NMR Experiments in Conjunction with Random Fractional Deuteration Daniel Nietlispach, Robin T. Clowes, R. William Broadhurst, Yutaka Ito, James Keeler, Mark Kelly, Jennifer Ashurst, Hartmut Oschkinat, Peter J. Domaille, and Ernest D. Laue pp 407–415 DOI: 10.1021/ja952207b

Reactivity of Strained Compounds:  Is Ground State Destabilization the Major Cause for Rate Enhancement?1 Ariel Sella, Harold Basch, and Shmaryahu Hoz pp 416–420 DOI: 10.1021/ja951408c Supporting Info

Theoretical Study of the Reaction of Acetylene with B4H8. A Proposed Mechanism of Carborane Formation. 2 Michael L. McKee pp 421–428 DOI: 10.1021/ja951575c Supporting Info

A Theoretical Study of ZnCH2 and ZnSnH2 Electronic Structure and the ZnCH2−HZnCH Photolytic Rearrangement M. A. San Miguel, A. Márquez, and Javier Fernández Sanz pp 429–436 DOI: 10.1021/ja951865t

Absolute Rate Constants for the Addition of Methyl Radicals to Alkenes in Solution:  New Evidence for Polar Interactions Torsten Zytowski and Hanns Fischer pp 437–439 DOI: 10.1021/ja953085q

Van der Waals Complexes between Boron Trifluoride and Carbon Monoxide in Liquefied Argon:  An Infrared Study E. J. Sluyts and B. J. van der Veken pp 440–445 DOI: 10.1021/ja950443g

Studies of Met-Car Adducts:  Ti8C12+(M)n (M = Halogens, π-Bonding Molecules, and Polar Molecules) H. T. Deng, K. P. Kerns, and A. W. Castleman, Jr. pp 446–450 DOI: 10.1021/ja9515359

Structural Determination of Lysophospholipid Regioisomers by Electrospray Ionization Tandem Mass Spectrometry† Xianlin Han and Richard W. Gross pp 451–457 DOI: 10.1021/ja952326r

Infrared Spectroscopy of Model Electrochemical Interfaces in Ultrahigh Vacuum:  Ionic versus Interfacial Solvation by Acetone and Acetonitrile on Pt(111) Ignacio Villegas and Michael J. Weaver pp 458–466 DOI: 10.1021/ja952321u

Reactions of Laser-Ablated Iron Atoms with Oxygen Molecules:  Matrix Infrared Spectra and Density Functional Calculations of OFeO, FeOO, and Fe(O2) Lester Andrews, George V. Chertihin, Alessandra Ricca, and Charles W. Bauschlicher, Jr. pp 467–470 DOI: 10.1021/ja953338f

Highly Enantioselective Catalytic Asymmetric Automultiplication of Chiral Pyrimidyl Alcohol Takanori Shibata, Hiroshi Morioka, Tadakatsu Hayase, Kaori Choji, and Kenso Soai pp 471–472 DOI: 10.1021/ja953066g Supporting Info

Toward the Synthesis of a Photosynthetic Reaction Center Maquette:  A Cofacial Porphyrin Pair Assembled between Two Subunits of a Synthetic Four-Helix Bundle Multiheme Protein Francesc Rabanal, William F. DeGrado, and P. Leslie Dutton pp 473–474 DOI: 10.1021/ja952831o

Photoelectron Spectroscopy of the Trimethylene- methane Negative Ion. The Singlet−Triplet Splitting of Trimethylenemethane Paul G. Wenthold, Jun Hu, Robert R. Squires, and W. C. Lineberger pp 475–476 DOI: 10.1021/ja9532547

Oxidation State-Induced Change of Iron Ligand in the Phenylalanine-82 to Histidine Mutant of Yeast Iso-1-cytochrome c Abel Schejter, Galia Taler, Gil Navon, Xiang-Jun Liu, and Emanuel Margoliash pp 477–478 DOI: 10.1021/ja9529448

Prymnesin-2:  A Potent Ichthyotoxic and Hemolytic Glycoside Isolated from the Red Tide Alga Prymnesium parvum Tomoji Igarashi, Masayuki Satake, and Takeshi Yasumoto pp 479–480 DOI: 10.1021/ja9534112 Supporting Info

Stabilization of High-Valent Terminal-Oxo Complexes:  Interplay of d-Orbital Occupancy and Coordination Geometry Nathanael L. P. Fackler, Songsheng Zhang, and Thomas V. O'Halloran pp 481–482 DOI: 10.1021/ja953051i Supporting Info

Assembly of an Exchange-Coupled [Ni:Fe4S4] Cluster in the α Metallosubunit of Carbon Monoxide Dehydrogenase from Clostridium thermoaceticum with Spectroscopic Properties and CO-Binding Ability Mimicking Those of the Acetyl-CoA Synthase Active Site Jinqiang Xia and Paul A. Lindahl pp 483–484 DOI: 10.1021/ja952845u

Starands vs Ketonands:  Ab Initio Study Seung Joo Cho, Hong Sub Hwang, Jung Mee Park, Kyung Seok Oh, and Kwang S. Kim pp 485–486 DOI: 10.1021/ja953242l Supporting Info

The SN2 Reaction in the Solid State. An Unusual, BAl2 Aminolysis of an Ester Group in Crystalline (±)-2-Amino-2‘-hydroxy-3‘-(methoxycarbonyl)- 1,1‘-binaphthyl Elucidated by X-ray Diffraction and Isotopic Labeling. New Experimental Evidence for Linearity in SN2 Substitution Martin Smrina, Štěpán Vyskoil, Vladimír Hanuš, Miroslav Polášek, Vratislav Langer, Benjamin G. M. Chew, David B. Zax, Hugh Verrier, Kevin Harper, Thomas A. Claxton, and Pavel Koovský pp 487–488 DOI: 10.1021/ja951920y Supporting Info

Electrophilic and Radical Substitution of 1,2,5-Cobaltadithiolenes Masatsugu Kajitani, Genjiro Hagino, Minako Tamada, Tetsuji Fujita, Masami Sakurada, Takeo Akiyama, and Akira Sugimori pp 489–490 DOI: 10.1021/ja953308c Supporting Info

A C2 Symmetric Chiral Ketone for Catalytic Asymmetric Epoxidation of Unfunctionalized Olefins Dan Yang, Yiu-Chung Yip, Man-Wai Tang, Man-Kin Wong, Jian-Hua Zheng, and Kung-Kai Cheung pp 491–492 DOI: 10.1021/ja9529549 Supporting Info

Ru3(CO)12-Catalyzed Coupling of Heteroaromatic C−H/CO/Olefins. Regioselective Acylation of the Imidazole Ring Naoto Chatani, Takahide Fukuyama, Fumitoshi Kakiuchi, and Shinji Murai pp 493–494 DOI: 10.1021/ja953473s Supporting Info

Issue 03

Elaboration of a General Strategy for Inhibition of myo-Inositol 1-Phosphate Synthase:  Active Site Interactions of Analogues Possessing Oxidized Reaction Centers Marie E. Migaud and J. W. Frost pp 495–501 DOI: 10.1021/ja952570i Supporting Info

Probing the Abilities of Synthetically Useful Serine Proteases To Discriminate between the Configurations of Remote Stereocenters Using Chiral Aldehyde Inhibitors Taekyu Lee and J. Bryan Jones pp 502–508 DOI: 10.1021/ja952835t Supporting Info

Geometric Parameters in Nucleic Acids:  Nitrogenous Bases Lester Clowney, Shri C. Jain, A. R. Srinivasan, John Westbrook, Wilma K. Olson, and Helen M. Berman pp 509–518 DOI: 10.1021/ja952883d

Geometric Parameters in Nucleic Acids:  Sugar and Phosphate Constituents Anke Gelbin, Bohdan Schneider, Lester Clowney, Shu-Hsin Hsieh, Wilma K. Olson, and Helen M. Berman pp 519–529 DOI: 10.1021/ja9528846

Tungsten η1-Five-Membered Oxygenated Heterocycles Derived from Tungsten η1-Propargyl Compounds:  Systematic Syntheses, Structural Rearrangement, Electrophilic Alkylations, and Oxidative Demetalations Hsin-Guo Shu, Lin-Hung Shiu, Shin-Hwan Wang, Sue-Lein Wang, Gene-Hsian Lee, Shie-Ming Peng, and Rai-Shung Liu pp 530–540 DOI: 10.1021/ja9518888 Supporting Info

The Anomeric Equilibrium in d-Xylose: Free Energy and the Role of Solvent Structuring R. K. Schmidt, M. Karplus, and J. W. Brady pp 541–546 DOI: 10.1021/ja951066a

Predicting the Diastereoselectivity of Rh-Mediated Intramolecular C−H Insertion Douglass F. Taber, Kamfia K. You, and Arnold L. Rheingold pp 547–556 DOI: 10.1021/ja9515213 Supporting Info

Stereocontrolled Total Synthesis of (+)-Paraherquamide B Timothy D. Cushing, Juan F. Sanz-Cervera, and Robert M. Williams pp 557–579 DOI: 10.1021/ja952666c

Structure Determination of an Endogenous Sleep-Inducing Lipid, cis-9-Octadecenamide (Oleamide):  A Synthetic Approach to the Chemical Analysis of Trace Quantities of a Natural Product Benjamin F. Cravatt, Richard A. Lerner, and Dale L. Boger pp 580–590 DOI: 10.1021/ja9532345 Supporting Info

Hydrocarbon Activation via Reversible 1,2-RH-Elimination from (tBu3SiNH)3ZrR:  Synthetic, Structural, and Mechanistic Investigations Christopher P. Schaller, Christopher C. Cummins, and Peter T. Wolczanski pp 591–611 DOI: 10.1021/ja950745i Supporting Info

Hydrogen−Deuterium Exchange Studies in Platinum(II) Complexes of 1-Methylimidazole1 Omoshile Clement, Aleksander W. Roszak, and Erwin Buncel pp 612–620 DOI: 10.1021/ja951615c Supporting Info

Trimetallo Derivatives of Lacunary 9-Tungstosilicate Heteropolyanions. 2. Isotropic NMR Shifts in Pyridine-Type Ligands Coordinated to the Paramagnetic 9-Tungsto-3-cuprio(II)silicate Anion Han Young Woo, Hyunsoo So, and Michael T. Pope pp 621–626 DOI: 10.1021/ja952515+

Metal−Ligand Bonding and Bonding Energetics in Zerovalent Lanthanide, Group 3, Group 4, and Group 6 Bis(arene) Sandwich Complexes. A Combined Solution Thermochemical and ab Initio Quantum Chemical Investigation Wayne A. King, Santo Di Bella, Giuseppe Lanza, Karl Khan, David J. Duncalf, F. Geoffrey N. Cloke, Ignazio L. Fragala, and Tobin J. Marks pp 627–635 DOI: 10.1021/ja9529697

Ambident Reactivity of Enolate Anions in the Gas Phase. Experimental Determination of Carbon vs Oxygen Acylation with CF3COCl Meili Zhong and John I. Brauman pp 636–641 DOI: 10.1021/ja9502233

Interactions at the Organic/Inorganic Interface:  Molecular Modeling of the Interaction between Diphosphonates and the Surfaces of Barite Crystals A. L. Rohl, D. H. Gay, R. J. Davey, and C. R. A. Catlow pp 642–648 DOI: 10.1021/ja951443j Supporting Info

Electrofreezing of Liquid Water:  A Microscopic Perspective Igor M. Svishchev and Peter G. Kusalik pp 649–654 DOI: 10.1021/ja951624l

Photoinduced Electron Transfer in Supramolecular Assemblies Composed of Alkoxyanisyl-Tethered Ruthenium(II)−Tris(bipyridazine) Complexes and a Bipyridinium Cyclophane Electron Acceptor Marlene Kropf, Ernesto Joselevich, Heinz Dürr, and Itamar Willner pp 655–665 DOI: 10.1021/ja952070p

Origins of the Exalted b2u Frequency in the First Excited State of Benzene Sason Shaik, Avital Shurki, David Danovich, and Philippe C. Hiberty pp 666–671 DOI: 10.1021/ja952376w

Dynamical Fluctuating Charge Force Fields: The Aqueous Solvation of Amides Steven W. Rick and B. J. Berne pp 672–679 DOI: 10.1021/ja952535b

Modulation of Electronic Coupling through Self-Assembled Monolayers via Internal Chemical Modification Jun Cheng, Gotthàrd Sàghi-Szabó, John A. Tossell, and Cary J. Miller pp 680–684 DOI: 10.1021/ja953210y

Direct and Highly Enantioselective Synthesis of Ferrocenes with Planar Chirality by (−)-Sparteine-Mediated Lithiation M. Tsukazaki, M. Tinkl, A. Roglans, B. J. Chapell, N. J. Taylor, and V. Snieckus pp 685–686 DOI: 10.1021/ja953246q Supporting Info

Selective Hydrogenation of Aromatic Hydrocarbons Using a Triruthenium Carbonyl Cluster as a Template to Control the Hydrogenation Site:  First Successful Isolation of 4,5-Dihydroacenaphthylene and 4,5-Dihydroaceanthrylene Hideo Nagashima, Akihiro Suzuki, Mitsuharu Nobata, and Kenji Itoh pp 687–688 DOI: 10.1021/ja953742e Supporting Info

Direct Correlation of Exchangeable and Nonexchangeable Protons on Purine Bases in 13C,15N-Labeled RNA Using a HCCNH-TOCSY Experiment Radovan Fiala, Feng Jiang, and Dinshaw J. Patel pp 689–690 DOI: 10.1021/ja9533656 Supporting Info

Structural Aspects and Rearrangement of Radical Cations Generated from NADH Analogues Jerzy Gbicki, Andrzej Marcinek, Jan Adamus, Piotr Paneth, and Jacek Rogowski pp 691–692 DOI: 10.1021/ja9532244

NaCu4S4, a Simple New Low-Dimensional, Metallic Copper Polychalcogenide, Structurally Related to CuS Xiang Zhang and Mercouri G. KanatzidisTim Hogan and Carl R. Kannewurf pp 693–694 DOI: 10.1021/ja952982r Supporting Info

First [4 + 3] Annulation of Alkynyl Fischer Carbene Complexes and Azadienes. X-ray Structure of a Metalated Zwitterionic Intermediate José Barluenga, Miguel Tomás, Eduardo Rubio, José A. López-Pelegrín, Santiago García-Granda, and Pilar Pertierra pp 695–696 DOI: 10.1021/ja952710o Supporting Info

Synthesis, Crystal Structure, and Thermolysis of a Pentacoordinate 1,2λ6-Oxathietane:  An Intermediate of the Corey−Chaykovsky Reaction of Oxosulfonium Ylides? Fumihiko Ohno, Takayuki Kawashima, and Renji Okazaki pp 697–698 DOI: 10.1021/ja953533u Supporting Info

Synthesis of the First Complex with a Hypercoordinate Ylidic Carbon Atom. Crystal and Molecular Structure of [{Au(PPh3)}4CS(O)Me2](ClO4)2 José Vicente, M. Teresa Chicote, Rita Guerrero, and Peter G. Jones pp 699–700 DOI: 10.1021/ja953504j Supporting Info

cis-μ-1,2-Peroxo Diiron Complex:  Structure and Reversible Oxygenation Takaharu Ookubo, Hideki Sugimoto, Toshihiko Nagayama, Hideki Masuda, Takahisa Sato, Koji Tanaka, Yonezo Maeda, Hisashi Ōkawa, Yoshihito Hayashi, Akira Uehara, and Masatatsu Suzuki pp 701–702 DOI: 10.1021/ja953705n Supporting Info

Investigations of Coronatine Biosynthesis. Elucidation of the Mode of Incorporation of Pyruvate into Coronafacic Acid Ronald J. Parry, Sao Jiralerspong, Sunil Mhaskar, Lawrence Alemany, and Robert Willcott pp 703–704 DOI: 10.1021/ja9536330

A Novel “Stable” Radical Initiator Based on the Oxidation Adducts of Alkyl-9-BBN T. C. Chung, W. Janvikul, and H. L. Lu pp 705–706 DOI: 10.1021/ja9527737

Coupled Organolanthanide-Catalyzed C−N/C−C Bond Formation Processes. Efficient Regiospecific Assembly of Pyrrolizidine and Indolizidine Skeletons in a Single Catalytic Reaction Yanwu Li and Tobin J. Marks pp 707–708 DOI: 10.1021/ja952433l Supporting Info

Nitrogen Atom Transfer Coupled with Dinitrogen Cleavage and Mo−Mo Triple Bond Formation Catalina E. Laplaza, Adam R. Johnson, and Christopher C. Cummins pp 709–710 DOI: 10.1021/ja953573y Supporting Info

Mechanism of Action of Vitamin B12. A New Test for Free Radical Intermediates Using a Cyclopropane Model for the Methylmalonyl-CoA to Succinyl-CoA Carbon Skeleton Rearrangement Mu He and Paul Dowd p 711 DOI: 10.1021/ja9532401

Homocarbonates as Substrates for the Enantioselective Enzymatic Protection of Amines Bernard Orsat, Phil B. Alper, Wilna Moree, Ching-Pong Mak, and Chi-Huey Wong pp 712–713 DOI: 10.1021/ja9533048 Supporting Info

Combinatorial Organic Synthesis of Highly Functionalized Pyrrolidines:  Identification of a Potent Angiotensin Converting Enzyme Inhibitor from a Mercaptoacyl Proline Library J. Am. Chem. Soc. 1995, 117, 7029−7030 Martin M. Murphy, John R. Schullek, Eric M. Gordon, and Mark A. Gallop p 714 DOI: 10.1021/ja9550337

Organosulfur ChemistrySynthetic Aspects Edited by Philip Page (University of Liverpool, U.K.). Academic Press:  London. 1995. x + 277 pp. $55.00. ISBN 0-12-543560-6. T. G. Back p 714 DOI: 10.1021/ja9552499

Admixtures in Crystallization Edited by Jaroslav Nyvlt (Czech Academy of Sciences, Prague) and Joachin Ulrich (University of Bremen, FRG). VCH:  New York. 1995. 390 pp. $190.00. ISBN 3-527-28739-6. p 714 DOI: 10.1021/ja955362z

The Logic of Chemical Synthesis Edited by E. J. Corey and Xue-Min Cheng (Harvard University, Cambridge). Wiley:  New York. 1995. 436 pp. $24.95. ISBN 0-471-11594-0. p 714 DOI: 10.1021/ja955363r

Issue 04

Surfactants Europa:  A Directory of Surface Active Agents Available in Europe, 3rd Edition Edited by Gordon L. Hollis. Royal Society of Chemistry:  Cambridge, U.K. 1995. xix + 459 pp. £80.00. ISBN 0-85404-804-9. pp iii–iv DOI: 10.1021/ja955364j

Chemical Kinetics of Solids By H. Schmalzried (Universität Hannover, Germany). VCH:  Weinheim, Germany. 1995. xii + 422 pp. $175.00. ISBN 3-527-29094-X. H. F. Franzen pp iv–v DOI: 10.1021/ja955186u

Magnetic Ceramics By Raul Valenzuela (National University of Mexico). Cambridge University Press:  Cambridge, U.K. 1994. xix + 312 pp. $79.95. ISBN 0-521-36485-X. Aaron Barkatt pp v–vi DOI: 10.1021/ja945153z

The Biological Chemistry of Magnesium Edited by J. A. Cowan (The Ohio State University). VCH Publishers, Inc.:  New York. 1995. xvi + 254 pp. $59.95. ISBN 1-56081-627-9. Wayne R. Bidlack pp vi–vii DOI: 10.1021/ja9552398

Protein-Solvent Interaction Edited by Roger B. Gregory (Kent State University, Kent, OH). Marcel Dekker:  New York. xix + 570 pp. $185.00. ISBN 0-8247-9239-4. Micheal H. Zehfus pp vii–viii DOI: 10.1021/ja9551493

Transition Metal Oxides By C. N. R. Rao (Indian Institute of Science) and B. Raveau (École Nationale Superieure d'Ingenieurs, Univ. de Caen). VCH Publishers, Inc.:  Weinheim, Germany, and New York. 1995. xii + 338 pp. $115.00. ISBN 1-56081-647-3. P. G. Wahlbeck pp viii–ix DOI: 10.1021/ja955299d

Solid State Electrochemistry. Volume 5 of Chemistry of Solid State Materials Edited by Peter G. Bruce (University of St. Andrews, Scotland). Cambridge University Press:  New York. xvi + 344 pp. $84.95. ISBN 0-521 40007-4. Bruce Parkinson pp ix–x DOI: 10.1021/ja955168c

Atomic Force Microscopy/Scanning Tunneling Microscopy Edited by Samuel H. Cohen, Mona T. Bray, and Marcia L. Lightbody (U.S. Army Natick Research, Development, and Engineering Center, Natick, MA). Plenum Press:  New York. 1994. x + 453 pp. $125.00. ISBN 0-306-44890-4. P. S. Weiss pp x–xi DOI: 10.1021/ja955243j

Pharmaceutical Design and Development. A Molecular Biology Approach Edited by T. V. Ramabhadran (Neurogen Corp.). Ellis Horwood:  New Jersey. 1994. viii + 337 pp. ISBN 0-13-553884-X. Donald Hupe p xi DOI: 10.1021/ja955257p

Asymmetric Deprotonation by BuLi/(−)-Sparteine:  Convenient and Highly Enantioselective Syntheses of (S)-2-Aryl-Boc-Pyrrolidines Shengde Wu, Steven Lee, and Peter Beak pp 715–721 DOI: 10.1021/ja9524661 Supporting Info

Synthesis and Relative Diatropicity of a Remarkably Aromatic Thia[13]annulene Reginald H. Mitchell and Vivekanantan S. Iyer pp 722–726 DOI: 10.1021/ja953025k

Studies Directed to the Synthesis of the Unusual Cardiotoxic Agent Kalmanol. Enantioselective Construction of the Advanced Tetracyclic 7-Oxy-5,6-dideoxy Congener Stephane Borrelly and Leo A. Paquette pp 727–740 DOI: 10.1021/ja9533454

Octaphenylnaphthalene and Decaphenylanthracene Xiaoxin Qiao, Michael A. Padula, Douglas M. Ho, Nancy J. Vogelaar, Clarence E. Schutt, and Robert A. Pascal, Jr. pp 741–745 DOI: 10.1021/ja953669s Supporting Info

Photoinduced Radical Cleavage of Bromophenyl Ketones Peter J. Wagner, James. H. Sedon, and Anna Gudmundsdottir pp 746–754 DOI: 10.1021/ja952782f

Reinvestigation of Calixarene-Based Artificial-Signaling Acetylcholine Receptors Useful in Neutral Aqueous (Water/Methanol) Solution Kwang Nak Koh, Koji Araki, Atsushi Ikeda, Hideyuki Otsuka, and Seiji Shinkai pp 755–758 DOI: 10.1021/ja951488k

Chromatographic Separation Based on Isotopic Chirality Kazuhiro Kimata, Mariko Kobayashi, Ken Hosoya, Takeo Araki, and Nobuo Tanaka pp 759–762 DOI: 10.1021/ja952774z

Synthetic Modeling of Nitrite Binding and Activation by Reduced Copper Proteins. Characterization of Copper(I)−Nitrite Complexes That Evolve Nitric Oxide Jason A. Halfen, Samiran Mahapatra, Elizabeth C. Wilkinson, Alan J. Gengenbach, Victor G. Young, Jr., Lawrence Que, Jr., and William B. Tolman pp 763–776 DOI: 10.1021/ja952691i Supporting Info

Acetamide Coordination in a Nickel(I) Macrocyclic Complex:  Synthesis, Properties, and X-ray Crystal Structure of a Five-Coordinate Nickel(I) Iminol Complex of 1,3,6,8,12,15-Hexaazatricyclo[13.3.1.18,12]icosane Myunghyun Paik Suh, Kye Young Oh, Jae Woo Lee, and Yeon Young Bae pp 777–783 DOI: 10.1021/ja953106g Supporting Info

Living Ring-Opening Metathesis Polymerization in Aqueous Media Catalyzed by Well-Defined Ruthenium Carbene Complexes David M. Lynn, Shokyoku Kanaoka, and Robert H. Grubbs pp 784–790 DOI: 10.1021/ja950327d

Reactions of (H2AlMes*)2 (Mes* = 2,4,6-(t-Bu)3C6H2) with H2EAr (E = N, P, or As; Ar = aryl):  Characterization of the Ring Compounds (Mes*AlNPh)2 and (Mes*AlEPh)3 (E = P or As) Rudolf J. Wehmschulte and Philip P. Power pp 791–797 DOI: 10.1021/ja952021c Supporting Info

Coupling H2 to Electron Transfer with a 17-Electron Heterobimetallic Hydride:  A “Redox Switch” Model for the H2-Activating Center of Hydrogenase Robert T. Hembre, J. Scott McQueen, and Victor W. Day pp 798–803 DOI: 10.1021/ja952206j Supporting Info

A Palladium-Catalyzed Stannole Synthesis Jochen Krause, Karl-Josef Haack, Klaus-Richard Pörschke, Barbara Gabor, Richard Goddard, Christian Pluta, and Klaus Seevogel pp 804–821 DOI: 10.1021/ja952495b

Hydrogen Bonding and Distance Studies of Amino Acids and Peptides Using Solid State 2D 1H−13C Heteronuclear Correlation Spectra Zhengtian Gu, Cynthia F. Ridenour, Charles E. Bronnimann, Takashi Iwashita, and Ann McDermott pp 822–829 DOI: 10.1021/ja952130r

Nature of the C-Cluster in Ni-Containing Carbon Monoxide Dehydrogenases Zhengguo Hu, Nathan J. Spangler, Mark E. Anderson, Jinqiang Xia, Paul W. Ludden, Paul A. Lindahl, and Eckard Münck pp 830–845 DOI: 10.1021/ja9528386

13C Dipolar NMR Spectrum of Matrix-Isolated o-Benzyne-1,2-13C2 Anita M. Orendt, Julio C. Facelli, Juliusz G. Radziszewski, W. James Horton, David M. Grant, and Josef Michl pp 846–852 DOI: 10.1021/ja953417r

Reactivity of Gas-Phase Benzene and Naphthalene Radical Cations with N-Methylimidazole, a Model DNA Base Andy B. Whitehill, M. George, and Michael L. Gross pp 853–859 DOI: 10.1021/ja9523404

Factors Affecting Competitive Ion−Molecule Reactions:  ClO- + C2H5Cl and C2D5Cl via E2 and SN2 Channels Wei-Ping Hu and Donald G. Truhlar pp 860–869 DOI: 10.1021/ja952464g Supporting Info

Periodic Trends for Transition Metal Dihydrides MH2, Dihydride Dihydrogen Complexes MH2·H2, and Tetrahydrides MH4 (M = Ti, V, and Cr) Buyong Ma, Charlene L. Collins, and Henry F. Schaefer III pp 870–879 DOI: 10.1021/ja951376t Supporting Info

The Dimerization of Cyclobutadiene. An ab Initio CASSCF Theoretical Study Yi Li and K. N. Houk pp 880–885 DOI: 10.1021/ja921663m Supporting Info

Secondary Deuterium Kinetic Isotope Effects in the Rotations of Alkenes and Allyl Radicals:  Theory and Experiment Leif P. Olson, Satomi Niwayama, Hi-Young Yoo, K. N. Houk, Nathan J. Harris, and Joseph J. Gajewski pp 886–892 DOI: 10.1021/ja952046b Supporting Info

Low-Valent Chemistry of Titanium Benzamidinates Leading to New Ti μ-N2, μ-O, Alkyl Derivatives, and the Cyclometalation of TMEDA John R. Hagadorn and John Arnold pp 893–894 DOI: 10.1021/ja953449e Supporting Info

Characterization of a New Tyrosyl Free Radical in Salmonella typhimurium Ribonucleotide Reductase with EPR at 9.45 and 245 GHz P. Allard, A. L. Barra, K. K. Andersson, P. P. Schmidt, M. Atta, and A. Gräslund pp 895–896 DOI: 10.1021/ja9529192

Stereocontrolled Oxidative Addition of Zerovalent Molybdenum to Enantiomerically Pure Allylic Acetates with Either Inversion or Retention at the Stereogenic Center Yancey D. Ward, Lawrence A. Villanueva, Gary D. Allred, and Lanny S. Liebeskind pp 897–898 DOI: 10.1021/ja952938b Supporting Info

Catenane Formation from Two Molecular Rings through Very Rapid Slippage. A Möbius Strip Mechanism Makoto Fujita, Fumiaki Ibukuro, Hiroko Seki, Osamu Kamo, Mamoru Imanari, and Katsuyuki Ogura pp 899–900 DOI: 10.1021/ja9507325 Supporting Info

Oxidative Elimination of H2 from [Cp‘2U(μ-OH)]2 To Form [Cp‘2U(μ-O)]2, Where Cp‘ Is 1,3-(Me3C)2C5H3 or 1,3-(Me3Si)2C5H3 Wayne W. Lukens, Jr., Sharon M. Beshouri, Laura L. Blosch, and Richard A. Andersen pp 901–902 DOI: 10.1021/ja9531283 Supporting Info

Designed Synthesis and Molecular Structure of the First Heterotermetallic Alkoxide Michael Veith, Sanjay Mathur, and Volker Huch pp 903–904 DOI: 10.1021/ja953255z Supporting Info

Highly Sensitive Colorimetric Detection and Facile Isolation of Diamagnetic Free Radical Adducts of Novel Chromotropic Nitrone Spin Trapping Agents Readily Derived from Guaiazulene David A. Becker pp 905–906 DOI: 10.1021/ja952895z

Furan Decomposes on Pd(111) at 300 K To Form H and CO plus C3H3, Which Can Dimerize to Benzene at 350 K Tracy E. Caldwell, Ihab M. Abdelrehim, and Donald P. Land pp 907–908 DOI: 10.1021/ja9532042

Transition Metal-Catalyzed Hydroboration of and CCl4 Addition to Alkenes Schubert Pereira and Morris Srebnik pp 909–910 DOI: 10.1021/ja952653z Supporting Info

Monitoring Macromolecular Motions on Microsecond to Millisecond Time Scales by R1ρ−R1 Constant Relaxation Time NMR Spectroscopy Mikael Akke and Arthur G. Palmer, III pp 911–912 DOI: 10.1021/ja953503r

A New Efficient Synthesis of Acetyltelluro- and Acetylselenomethionine and Their Use in the Biosynthesis of Heavy-Atom Protein Analogs Wilhelm Karnbrock, Elisabeth Weyher, Nediljko Budisa, Robert Huber, and Luis Moroder pp 913–914 DOI: 10.1021/ja953222j Supporting Info

Nitrogen Transfer from a Nitridomanganese(V) Complex:  Amination of Silyl Enol Ethers J. Du Bois, Jason Hong, Erick M. Carreira, and Michael W. Day pp 915–916 DOI: 10.1021/ja953659r Supporting Info

Solution Properties of a CO2-Soluble Fluoropolymer via Small Angle Neutron Scattering J. B. McClain, D. Londono, J. R. Combes, T. J. Romack, D. A. Canelas, D. E. Betts, G. D. Wignall, E. T. Samulski, and J. M. DeSimone pp 917–918 DOI: 10.1021/ja952750s Supporting Info

12,13-Isobaccatin III. Taxane Enol Esters (12,13-Isotaxanes) Robert C. Kelly, Nancy A. Wicnienski, Ilse Gebhard, Samuel J. Qualls, Fusen Han, Paul J. Dobrowolski, Eldon G. Nidy, and Roy A. Johnson pp 919–920 DOI: 10.1021/ja953702a Supporting Info

A Concerted Mechanism for Ethane Hydroxylation by the Particulate Methane Monooxygenase from Methylococcus capsulatus (Bath) Barrie Wilkinson, Mei Zhu, Nigel D. Priestley, H.-Hoa T. Nguyen, Hiromi Morimoto, Philip G. Williams, Sunney I. Chan, and Heinz G. Floss pp 921–922 DOI: 10.1021/ja953407q

Molecular Recognition via Hydroquinone−Quinone Pairing:  Electrochemical and Singlet Emission Behavior of [5,10,15-Triphenyl-20-(2,5-dihydroxy- phenyl)porphyrinato]zinc(II)−Quinone Complexes Francis D'Souza pp 923–924 DOI: 10.1021/ja9526271

The Biosynthesis of Tropic Acid:  A Reevaluation of the Stereochemical Course of the Conversion of Phenyllactate to Tropate in Datura stramonium Nicola C. J. E. Chesters, Kevin Walker, David O'Hagan, and Heinz G. Floss pp 925–926 DOI: 10.1021/ja9531485 Supporting Info

Influence of Oxygen Ligation on [Fe4S4] Cluster Properties. Characterization of the Cys77Ser Mutant of Chromatium vinosum HiPIP Anshu Agarwal, Dawei Li, and J. A. Cowan pp 927–928 DOI: 10.1021/ja953447u Supporting Info

Nucleation and Growth in Single DNA Molecules Kenichi Yoshikawa and Yukiko Matsuzawa pp 929–930 DOI: 10.1021/ja952685m

Hydrophobic, Non-Hydrogen-Bonding Bases and Base Pairs in DNA J. Am. Chem. Soc. 1995, 117, 1863−1872 Barbara A. Schweitzer and Eric T. Kool p 931 DOI: 10.1021/ja955034z

Model Studies of the (6−4) Photoproduct DNA Photolyase:  Synthesis and Photosensitized Splitting of a Thymine−5,6-Oxetane J. Am. Chem. Soc. 1995, 117, 11375−11376 Gautam Prakash and Daniel E. Falvey p 931 DOI: 10.1021/ja955035r

Intermetallics Edited by Gerhard Sauthoff (Max-Planck-Institut). VCH:  New York. 1995. xii + 165 pp. $80.00. ISBN 3-527-29320-5. Kenneth E. Gonsalves p 934 DOI: 10.1021/ja955234a

Issue 05

Metal−Hydrogen Bond Dissociation Enthalpies in Series of Complexes of Eight Different Transition Metals Dongmei Wang and Robert J. Angelici pp 935–942 DOI: 10.1021/ja9441930

Metal Coordination as a Method for Templating Peptide Conformation Zong-Qiang Tian and Paul A. Bartlett pp 943–949 DOI: 10.1021/ja952475+ Supporting Info

Probing the Specificity of the Serine Proteases Subtilisin Carlsberg and α-Chymotrypsin with Enantiomeric 1-Acetamido Boronic Acids. An Unexpected Reversal of the Normal “l”-Stereoselectivity Preference Valeri Martichonok and J. Bryan Jones pp 950–958 DOI: 10.1021/ja952816j Supporting Info

Design and Comprehensive Conformational Studies of Tyr1-cyclo(d-Pen2-Gly3-Phe4-l-3-Mpt5) and Tyr1-cyclo(d-Pen2-Gly3-Phe4-d-3-Mpt5):  Novel Conformationally Constrained Opioid Peptides Gregory V. Nikiforovich, Katalin E. Kövér, Stephen A. Kolodziej, Bruce Nock, Clifford George, Jeffrey R. Deschamps, Judith L. Flippen-Anderson, and Garland R. Marshall pp 959–969 DOI: 10.1021/ja952964+ Supporting Info

A Novel Conformation in a Highly Potent, Constrained Gonadotropin-Releasing Hormone Antagonist Josep Rizo, R. Bryan Sutton, Joshua Breslau, Steven C. Koerber, John Porter, Arnold T. Hagler, Jean E. Rivier, and Lila M. Gierasch pp 970–976 DOI: 10.1021/ja953207e Supporting Info

Isomeric Complexes of Peptides with Class II Proteins of the Major Histocompatibility Complex Craig Beeson, Thomas G. Anderson, Chris Lee, and Harden M. McConnell pp 977–980 DOI: 10.1021/ja951502t

Complexes Derived from the Reaction of Manganese(III) Schiff Base Complexes and Hexacyanoferrate(III):  Syntheses, Multidimensional Network Structures, and Magnetic Properties Hitoshi Miyasaka, Naohide Matsumoto, Hisashi Ōkawa, Nazzareno Re, Emma Gallo, and Carlo Floriani pp 981–994 DOI: 10.1021/ja952706c Supporting Info

Analysis of Thermodynamic Determinants in Helix Propensities of Nonpolar Amino Acids through a Novel Free Energy Calculation Jing Wang and Enrico O. Purisima pp 995–1001 DOI: 10.1021/ja953347o

Real-Time Detection of 60-fs Isomerization in a Rhodopsin Analog Containing Eight-Membered-Ring Retinal Hideki Kandori, Hiroyuki Sasabe, Koji Nakanishi, Tôru Yoshizawa, Taku Mizukami, and Yoshinori Shichida pp 1002–1005 DOI: 10.1021/ja951665h

Synthesis, Structure, and Electronic Properties of syn-[2.2]Phenanthrenophanes:  First Observation of Their Excimer Fluorescence at High Temperature Yosuke Nakamura, Takeshi Tsuihiji, Tadahiro Mita, Toshiyuki Minowa, Seiji Tobita, Haruo Shizuka, and Jun Nishimura pp 1006–1012 DOI: 10.1021/ja951762a Supporting Info

Spectra and Reactivity of Methoxyoligothiophene Cation Radicals Yuan Yu, Esmir Gunic, Baruch Zinger, and Larry L. Miller pp 1013–1018 DOI: 10.1021/ja9533104

Aromatic π-Stacking in Solution as Revealed through the Aggregation of Phenylacetylene Macrocycles Ashok S. Shetty, Jinshan Zhang, and Jeffrey S. Moore pp 1019–1027 DOI: 10.1021/ja9528893 Supporting Info

Novel Syntheses of Tetrahydropyrroloquinolines:  Applications to Alkaloid Synthesis Andrew J. Peat and Stephen L. Buchwald pp 1028–1030 DOI: 10.1021/ja953080t

Palladium-Catalyzed Asymmetric Allylic Amination Using Ferrocenyl Pyrazole Ligands:  Steric Control of η3-Allyl Configuration and Site-Selective Nucleophilic Attack Antonio Togni, Urs Burckhardt, Volker Gramlich, Paul. S. Pregosin, and Renzo Salzmann pp 1031–1037 DOI: 10.1021/ja953031g Supporting Info

Ligand Behavior of a (Z)-Phosphazide (a 1,2,3,4λ5-Triazaphosphinine) and of the Corresponding Phosphazene (a 1,2λ5-Azaphosphete) Klaus Bieger, Ghenwa Bouhadir, Régis Réau, Françoise Dahan, and Guy Bertrand pp 1038–1044 DOI: 10.1021/ja9531440 Supporting Info

Preparation and Structural Characterization of an Enantiomerically Pure, C2-Symmetric, Single-Component Ziegler−Natta α-Olefin Polymerization Catalyst Jonathan P. Mitchell, Sharad Hajela, Susan K. Brookhart, Kenneth I. Hardcastle, Lawrence M. Henling, and John E. Bercaw pp 1045–1053 DOI: 10.1021/ja953419b Supporting Info

Stereoselective Total Synthesis of Natural (+)-Streptazolin via a Palladium-Catalyzed Enyne Bicyclization Approach Hironari Yamada, Sakae Aoyagi, and Chihiro Kibayashi pp 1054–1059 DOI: 10.1021/ja9529910

Mechanism of the Exchange Reaction of Halodiazirines with Nucleophiles Revisited. Synthesis of Neutral, Mono- or Dicationic 4−16-Membered Phosphorus Heterocycles Gilles Alcaraz, Valérie Piquet, Antoine Baceiredo, Françoise Dahan, Wolfgang W. Schoeller, and Guy Bertrand pp 1060–1065 DOI: 10.1021/ja9532143 Supporting Info

Triurea Derivatives of Diethylenetriamine as Potential Templates for the Formation of Artificial β-Sheets1 James S. Nowick, Sami Mahrus, Eric M. Smith, and Joseph W. Ziller pp 1066–1072 DOI: 10.1021/ja9536072 Supporting Info

Low Symmetrical Phthalocyanine Analogues Substituted with Three Crown Ether Voids and Their Cation-Induced Supermolecules Nagao Kobayashi, Mika Togashi, Tetsuo Osa, Kazuyuki Ishii, Seigo Yamauchi, and Hiroaki Hino pp 1073–1085 DOI: 10.1021/ja950929x

Dimeric [3,3-Dimethyl-2-(trimethylsilyl)cyclopropenyl]- lithium−Tetramethylethylenediamine:  Distortion of the Cyclopropenyl Geometry Due to Strong Rehybridization at the Lithiated Carbon Klas Sorger, Paul von Ragué Schleyer, and Dietmar Stalke pp 1086–1091 DOI: 10.1021/ja9521280 Supporting Info

Synthesis, Characterization, Isomerization, and Reactivity of Dimeric Cyclopentadienylnickel Amido Complexes Patrick L. Holland, Richard A. Andersen, and Robert G. Bergman pp 1092–1104 DOI: 10.1021/ja952882l Supporting Info

Spectroscopic Evidence for Intermolecular M−H···H−OR Hydrogen Bonding:  Interaction of WH(CO)2(NO)L2 Hydrides with Acidic Alcohols Elena S. Shubina, Natalia V. Belkova, Aleksandr N. Krylov, Evgeni V. Vorontsov, Lina M. Epstein, Dmitri G. Gusev, Martina Niedermann, and Heinz Berke pp 1105–1112 DOI: 10.1021/ja953094z

X-ray Absorption Spectroscopy of Dimethyl Sulfoxide Reductase from Rhodobacter sphaeroides Graham N. George, James Hilton, and K. V. Rajagopalan pp 1113–1117 DOI: 10.1021/ja953317l

Infrared Multiphoton Dissociation of Transition Metal Containing Ions:  MCnH2n+ (M = Fe, Co, Ni; n = 2−5) Paul I. Surya, Lisa M. Roth, Don Rufus A. Ranatunga, and Ben S. Freiser pp 1118–1125 DOI: 10.1021/ja943733q

A New Bond from an Old Molecule:  Formation, Stability, and Structure of P4H+ J.-L. M. Abboud, M. Herreros, R. Notario, M. Esseffar, O. Mó, and M. Yáñez pp 1126–1130 DOI: 10.1021/ja9500668

Sulfenic Acids in the Gas Phase:  A Photoelectron Study S. Lacombe, M. Loudet, E. Banchereau, M. Simon, and G. Pfister-Guillouzo pp 1131–1138 DOI: 10.1021/ja9511331

Carbon Clusters Containing Two Metal Atoms:  Structures, Growth Mechanism, and Fullerene Formation Konstantin B. Shelimov and Martin F. Jarrold pp 1139–1147 DOI: 10.1021/ja953071k

Kinetic Control of Interparticle Spacing in Au Colloid-Based Surfaces:  Rational Nanometer-Scale Architecture Katherine C. Grabar, Patrick C. Smith, Michael D. Musick, Jennifer A. Davis, Daniel G. Walter, Michael A. Jackson, Andrea P. Guthrie, and Michael J. Natan pp 1148–1153 DOI: 10.1021/ja952233+ Supporting Info

Morphology-Dependent Electrochemistry of Cytochrome c at Au Colloid-Modified SnO2 Electrodes Kenneth R. Brown, Audrey P. Fox, and Michael J. Natan pp 1154–1157 DOI: 10.1021/ja952951w

Emission Spectroscopy of Ru(bpy)2dppz2+ in Nafion. Probing the Chemical Environment in Cast Films Eyal Sabatani, Hans D. Nikol, Harry B. Gray, and Fred C. Anson pp 1158–1163 DOI: 10.1021/ja9531790

Salting in Peptides:  Conformationally Dependent Solubilities and Phase Behavior of a Tripeptide Zwitterion in Electrolyte Solution John S. Perkyns, Yiyang Wang, and B. Montgomery Pettitt pp 1164–1172 DOI: 10.1021/ja952392t

Properties of Closed-Shell, Octahedral, Multiply-Charged Hexafluorometallates MF63-, M = Sc, Y, La, ZrF62-, and TaF6- Maciej Gutowski, Alexander I. Boldyrev, Jack Simons, Janusz Rak, and Jerzy Błażejowski pp 1173–1180 DOI: 10.1021/ja952412r

Molecular Dynamics Simulations of the Anticodon Hairpin of tRNAAsp:  Structuring Effects of C−H···O Hydrogen Bonds and of Long-Range Hydration Forces Pascal Auffinger, Shirley Louise-May, and Eric Westhof pp 1181–1189 DOI: 10.1021/ja952494j

Ab Initio Studies of the Exocyclic Hydroxymethyl Rotational Surface in α-d-Glucopyranose James W. Brown and Brian D. Wladkowski pp 1190–1193 DOI: 10.1021/ja952804y

Solvent Effects on Fluorine Shielding in Fluorobenzene E. Y. Lau and J. T. Gerig pp 1194–1200 DOI: 10.1021/ja9526372

Two-Dimensional Pulsed EPR Spectroscopy of the Copper Protein Azurin V. Kofman, O. Farver, I. Pecht, and D. Goldfarb pp 1201–1206 DOI: 10.1021/ja952704s

Bromonium Ion Addition to Triruthenium and Triosmium Dodecacarbonyl:  The Markedly Different Structures of the [M3(CO)12(Br)]+ (M = Ru, Os) Ions Harpreet K. Nagra, Raymond J. Batchelor, Andrew J. Bennet, Frederick W. B. Einstein, Edward C. Lathioor, Roland K. Pomeroy, and Weibin Wang pp 1207–1208 DOI: 10.1021/ja953220z Supporting Info

New Radical Allylation Reaction Béatrice Quiclet-Sire and Samir Z. Zard pp 1209–1210 DOI: 10.1021/ja9522443 Supporting Info

Ferroelectric Liquid Crystals for Nonlinear Optics:  Orientation of the Disperse Red 1 Chromophore along the Ferroelectric Liquid Crystal Polar Axis David M. Walba, Daniel J. Dyer, Teresa Sierra, Peter L. Cobben, Renfan Shao, and Noel A. Clark pp 1211–1212 DOI: 10.1021/ja952387p Supporting Info

Organic Multilayer White Light Emitting Diodes Marko Strukelj, Rebecca H. Jordan, and Ananth Dodabalapur pp 1213–1214 DOI: 10.1021/ja953302n Supporting Info

Intramolecular CuCl-Mediated Oxidative Coupling of Alkenyltrimethylstannane Functions:  An Effective Method for the Construction of Carbocyclic 1,3-Diene Systems Edward Piers and Miguel A. Romero pp 1215–1216 DOI: 10.1021/ja953648y Supporting Info

Catalytic Asymmetric Synthesis of Homoallylic Alcohols:  Chiral Amplification and Chiral Poisoning in a Titanium/BINOL Catalyst System J. W. Faller, D. W. I. Sams, and X. Liu pp 1217–1218 DOI: 10.1021/ja952115m

Asymmetric Induction in Photochemical Reactions Conducted in Zeolites and in the Crystalline State Mordechai Leibovitch, Gunnar Olovsson, Gajendran Sundarababu, V. Ramamurthy, John R. Scheffer, and James Trotter pp 1219–1220 DOI: 10.1021/ja953238+

Evidence for the Photosensitized Formation of Singlet Oxygen by UVB Irradiation of 2‘-Deoxyguanosine 5‘-Monophosphate1 Taj Mohammad and Harry Morrison pp 1221–1222 DOI: 10.1021/ja9519187

Simple, High-Yield Synthesis of Polyhedral Carborane Amino Acids Stephen B. Kahl and Ramesh A. Kasar pp 1223–1224 DOI: 10.1021/ja9534260 Supporting Info

Formation of Constrained, Fluorescent Peptides via Tryptophan Dimerization and Oxidation Shawn J. Stachel, Rebecca L. Habeeb, and David L. Van Vranken pp 1225–1226 DOI: 10.1021/ja9533297 Supporting Info

Regulation of Proteolytic Activity by Engineered Tridentate Metal Binding Loops Sherin Halfon and Charles S. Craik pp 1227–1228 DOI: 10.1021/ja9533813 Supporting Info

First Enantioselective Total Synthesis of a Naturally Occurring Dolabellane. Revision of Absolute Configuration E. J. Corey and Robert S. Kania pp 1229–1230 DOI: 10.1021/ja9536779 Supporting Info

Structure of the Human 25 kDa FK506 Binding Protein Complexed with Rapamycin Jun Liang, Deborah T. Hung, Stuart L. Schreiber, and Jon Clardy pp 1231–1232 DOI: 10.1021/ja953139w Supporting Info

Chemistry of Cyclopropyl-p-Benzoquinone:  A Specific Organogenesis Inhibitor in Plants Zhaoxian Zeng, Craig H. Cartwright, and David G. Lynn pp 1233–1234 DOI: 10.1021/ja950372l

Issue 06

Electronically Excited States of 1,4:5,8-Bismethano-1,4,4a,5,8,8a-hexahydronaphthalene, a Nonconjugated Diene:  Comparison of Theory and Experiment Daniel E. Love, Dana Nachtigallova, Kenneth D. Jordan, James M. Lawson, and Michael N. Paddon-Row pp 1235–1240 DOI: 10.1021/ja9534664

Mechanisms of Inactivation of γ-Aminobutyric Acid Aminotransferase by 4-Amino-5-fluoro-5-hexenoic Acid Richard B. Silverman, Katherine A. Bichler, and Andrew J. Leon pp 1241–1252 DOI: 10.1021/ja9527885

Unusual Mechanistic Difference in the Inactivation of γ-Aminobutyric Acid Aminotransferase by (E)- and (Z)-4-Amino-6-fluoro-5-hexenoic Acid Richard B. Silverman, Katherine A. Bichler, and Andrew J. Leon pp 1253–1261 DOI: 10.1021/ja952789x

Thion (RCSOH), Selenon (RCSeOH), and Telluron (RCTeOH) Acids as Predominant Species Shinzi Kato, Yasuyuki Kawahara, Hideki Kageyama, Ryo Yamada, Osamu Niyomura, Toshiaki Murai, and Takahiro Kanda pp 1262–1267 DOI: 10.1021/ja953035l

Studies of Co·Bleomycin A2 Green:  Its Detailed Structural Characterization by NMR and Molecular Modeling and Its Sequence-Specific Interaction with DNA Oligonucleotides Wei Wu, Dana E. Vanderwall, Siu Man Lui, Xue-Jun Tang, Christopher J. Turner, John W. Kozarich, and JoAnne Stubbe pp 1268–1280 DOI: 10.1021/ja9524964 Supporting Info

Solution Structure of Co·Bleomycin A2 Green Complexed with d(CCAGGCCTGG) Wei Wu, Dana E. Vanderwall, Christopher J. Turner, John W. Kozarich, and JoAnne Stubbe pp 1281–1294 DOI: 10.1021/ja952497w Supporting Info

Arrangement of Substrates at the Active Site of an Aminoglycoside Antibiotic 3‘-Phosphotransferase As Determined by NMR James R. Cox, Geoffrey A. McKay, Gerard D. Wright, and Engin H. Serpersu pp 1295–1301 DOI: 10.1021/ja952994c

Reactions of Glutathione with Carcinogenic Esters of N-Arylhydroxamic Acids Michael Novak and Jing Lin pp 1302–1308 DOI: 10.1021/ja9534563 Supporting Info

Asymmetric Synthesis of the Diterpenoid Marine Toxin (+)-Acetoxycrenulide Ting-Zhong Wang, Emmanuel Pinard, and Leo A. Paquette pp 1309–1318 DOI: 10.1021/ja9533609

Catalytic Epoxidation of Hindered Olefins with Dioxygen. Fast Oxygen Atom Transfer to Olefin Cation Radicals from Nitrogen Oxides Eric Bosch and Jay K. Kochi pp 1319–1329 DOI: 10.1021/ja953786n Supporting Info

Oxidation of the Spin Trap 5,5-Dimethyl-1-pyrroline N-Oxide by Singlet Oxygen in Aqueous Solution P. Bilski, K. Reszka, M. Bilska, and C. F. Chignell pp 1330–1338 DOI: 10.1021/ja952140s

Structural Consequences of the Addition of Lithium Halides in Enolization and Aldol Reactions Kenneth W. Henderson, Andrea E. Dorigo, Qi-Yong Liu, Paul G. Williard, Paul von Ragué Schleyer, and Peter R. Bernstein pp 1339–1347 DOI: 10.1021/ja9527838 Supporting Info

A Re-Examination of Pressure Effects on Enantioselectivity in Asymmetric Catalytic Hydrogenation Yongkui Sun, Ralph N. Landau, Jian Wang, Carl LeBlond, and Donna G. Blackmond pp 1348–1353 DOI: 10.1021/ja952988g

Molecular Dynamics Simulations of Nitrate Complexes with Polyammonium Macrocycles:  Insight on Phosphoryl Transfer Catalysis Garegin Papoyan, Kun-jian Gu, Joanna Wiorkiewicz-Kuczera, Krzysztof Kuczera, and Kristin Bowman-James pp 1354–1364 DOI: 10.1021/ja9500567 Supporting Info

Bimetallic Reactivity. Synthesis of Bimetallic Complexes of Macrocyclic Binucleating Ligands Containing 6- and 4-Coordinate Sites and Their Reactivity with Dioxygen and Other Oxidants David G. McCollum, Glenn P. A. Yap, Arnold L. Rheingold, and B. Bosnich pp 1365–1379 DOI: 10.1021/ja952873c Supporting Info

Hydrolysis of Trimesitylgallium and Trimesitylaluminum:  Structures Along a Reaction Pathway Jens Storre, Andreas Klemp, Herbert W. Roesky, Hans-Georg Schmidt, Mathias Noltemeyer, Roland Fleischer, and Dietmar Stalke pp 1380–1386 DOI: 10.1021/ja953213a Supporting Info

Modeling the Tungsten Sites of Inactive and Active Forms of Hyperthermophilic Pyrococcus furiosus Aldehyde Ferredoxin Oxidoreductase Samar K. Das, Dulali Biswas, Rabindranath Maiti, and Sabyasachi Sarkar pp 1387–1397 DOI: 10.1021/ja9511580 Supporting Info

The Thio-Wittig Rearrangement of Deprotonated Allyl Methyl Sulfide. A Gas-Phase Unimolecular Isomerization Probed with a Variable Temperature Flowing Afterglow-Triple Quadrupole Device Mohammad R. Ahmad, Gregg D. Dahlke, and Steven R. Kass pp 1398–1407 DOI: 10.1021/ja953116h Supporting Info

Unusual Reactivity of the Radical Cations of Some Simple Trivalent Organophosphorus Compounds toward Dimethyl Disulfide and Dimethyl Diselenide Rebecca L. Smith, Andreas Schweighofer, Helmut Keck, Wilhelm Kuchen, and Hilkka I. Kenttämaa pp 1408–1412 DOI: 10.1021/ja9531182

13C−1H Spin-Coupling Constants in the β-d-Ribofuranosyl Ring:  Effect of Ring Conformation on Coupling Magnitudes Carol A. Podlasek, Wayne A. Stripe, Ian Carmichael, Maoyu Shang, Bidisa Basu, and Anthony S. Serianni pp 1413–1425 DOI: 10.1021/ja9519647 Supporting Info

A Local Spin Model To Describe the Magnetic Interactions in Biological Molecules Containing [4Fe−4S]+ Clusters. Application to Ni−Fe Hydrogenases Patrick Bertrand, Philippe Camensuli, Claude More, and Bruno Guigliarelli pp 1426–1434 DOI: 10.1021/ja951981w

Inversion-Recovery of Nitroxide Spin Labels in Solution and Microheterogeneous Environments Igor V. Koptyug, Stefan H. Bossmann, and Nicholas J. Turro pp 1435–1445 DOI: 10.1021/ja952152d

Trihalomethyl Cations and Their Superelectrophilic Activation1 George A. Olah, Golam Rasul, Andrei K. Yudin, Arwed Burrichter, G. K. Surya Prakash, A. L. Chistyakov, I. V. Stankevich, I. S. Akhrem, N. P. Gambaryan, and M. E. Vol'pin pp 1446–1451 DOI: 10.1021/ja952408f

Do High-Spin Topology Rules Apply to Charged Polyradicals? Theoretical and Experimental Evaluation of Pyridiniums as Magnetic Coupling Units Anthony P. West, Jr., Scott K. Silverman, and Dennis A. Dougherty pp 1452–1463 DOI: 10.1021/ja9527941 Supporting Info

Structural Systematics. 6.1 Apparent Flexibility of Metal Complexes in Crystals Antonio Martín and A. Guy Orpen pp 1464–1470 DOI: 10.1021/ja953301v

Optical Properties of Spiroconjugated Charge-Transfer Dyes Przemyslaw Maslak, Anu Chopra, Christopher R. Moylan, Rüdiger Wortmann, Sonja Lebus, Arnold L. Rheingold, and Glenn P. A. Yap pp 1471–1481 DOI: 10.1021/ja9533003 Supporting Info

Paired Electrosynthesis at the Femtoliter Scale:  Formation of 9,10-Anthracenedione from the Oxidation of Anthracene and Reduction of Dioxygen Christian Amatore and Alan R. Brown pp 1482–1486 DOI: 10.1021/ja952600h

Comparison of the C−H Activation of Methane by M(C5H5)(CO) for M = Cobalt, Rhodium, and Iridium Per E. M. Siegbahn pp 1487–1496 DOI: 10.1021/ja952338c

Push−Pull Arylethynyl Porphyrins:  New Chromophores That Exhibit Large Molecular First-Order Hyperpolarizabilities Steven M. LeCours, Hann-Wen Guan, Stephen G. DiMagno, C. H. Wang, and Michael J. Therien pp 1497–1503 DOI: 10.1021/ja953610l

Acetylenyl-Linked, Porphyrin-Bridged, Donor−Acceptor Molecules:  A Theoretical Analysis of the Molecular First Hyperpolarizability in Highly Conjugated Push−Pull Chromophore Structures Satyam Priyadarshy, Michael J. Therien, and David N. Beratan pp 1504–1510 DOI: 10.1021/ja952690q

Relative Stability of Hydrogen and Deuterium Bonds Steve Scheiner and Martin Čuma pp 1511–1521 DOI: 10.1021/ja9530376

Direct Dynamics Calculation for the Double Proton Transfer in Formic Acid Dimer Yongho Kim pp 1522–1528 DOI: 10.1021/ja953175v

Theoretical Bond and Strain Energies of Molecules Derived from Properties of the Charge Density at Bond Critical Points Stefan Grimme pp 1529–1534 DOI: 10.1021/ja9532751

The C7H6 Potential Energy Surface Revisited: Relative Energies and IR Assignment Stephan Matzinger, Thomas Bally, Eric V. Patterson, and Robert J. McMahon pp 1535–1542 DOI: 10.1021/ja953579n Supporting Info

Photoinduced Electron Transfer Along a β-Sheet Mimic Alexei B. Gretchikhine and Michael Y. Ogawa pp 1543–1544 DOI: 10.1021/ja953615i

CaCl3- or Ca2Cl4 Complexing Cyclic Aromatic Amide. Template Effect on Cyclization Young H. Kim, Joseph Calabrese, and Charles McEwen pp 1545–1546 DOI: 10.1021/ja953268c Supporting Info

Poly(1,4:2,2-butanetetrayl). A Novel Polyspirane via Metallocenium-Catalyzed Ring-Opening−Zipping-Up Polymerization of Methylenecyclopropane Li Jia, Xinmin Yang, Shengtian Yang, and Tobin J. Marks pp 1547–1548 DOI: 10.1021/ja953195x Supporting Info

Reactivity of Carbon Anions α to Pentacoordinated Phosphorus:  Spirooxyphosphoranyl C-Anions as Valuable Intermediates in Olefination Chemistry Mihaela L. Bojin, Salim Barkallah, and Slayton A. Evans, Jr., pp 1549–1550 DOI: 10.1021/ja952095o Supporting Info

Direct Observation of a Photoinduced Wolff Rearrangement in PMMA Using Ultrafast Infrared Spectroscopy Thomas Lippert, Aaron Koskelo, and Page O. Stoutland pp 1551–1552 DOI: 10.1021/ja9536429

Ni(II), Cu(II), and Zn(II) Cryptate-Enhanced Fluorescence of a Trianthrylcryptand:  A Potential Molecular Photonic OR Operator Pradyut Ghosh and Parimal K. BharadwajShampa Mandal and Sanjib Ghosh pp 1553–1554 DOI: 10.1021/ja952520d Supporting Info

Slow Electron Transfer Reactions Involving Tetraisopropylhydrazine Stephen F. Nelsen, Rustem F. Ismagilov, Ling-Jen Chen, Jennifer L. Brandt, Xi Chen, and Jack R. Pladziewicz pp 1555–1556 DOI: 10.1021/ja9537080

Direct Synthesis of Fused, Bicyclic γ-Butyrolactones via Tandem Reductive Cyclization−Carbonylation of Tethered Enals and Enones William E. Crowe and An T. Vu pp 1557–1558 DOI: 10.1021/ja9535874 Supporting Info

Ocular Age Pigment “A2-E”:  An Unprecedented Pyridinium Bisretinoid Naomi Sakai, John Decatur, and Koji NakanishiGraig E. Eldred pp 1559–1560 DOI: 10.1021/ja953480g Supporting Info

Binding of Catalase-Peroxidase-Activated Isoniazid to Wild-Type and Mutant Mycobacterium tuberculosis Enoyl-ACP Reductases Annaik Quemard, Andrea Dessen, Michelle Sugantino, William R. Jacobs, Jr., James C. Sacchettini, and John S. Blanchard pp 1561–1562 DOI: 10.1021/ja950998b

Trichodiene Synthase. Enzymatic Formation of Multiple Sesquiterpenes by Alteration of the Cyclase Active Site David E. Cane and Qun Xue pp 1563–1564 DOI: 10.1021/ja953751n

Olefin Metathesis in Cyclic Ether Formation. Direct Conversion of Olefinic Esters to Cyclic Enol Ethers with Tebbe-Type Reagents K. C. Nicolaou, Maarten H. D. Postema, and Christopher F. Claiborne pp 1565–1566 DOI: 10.1021/ja9534866 Supporting Info

Synthesis of Biomimetic Heme Precursors:  The “Double Picket Fence” 5,10,15,20-Tetrakis(2‘,6‘- dinitro-4‘-tert-butylphenyl)porphyrin Eric Rose, Alain Kossanyi, Mélanie Quelquejeu, Michèle Soleilhavoup, Frédéric Duwavran, Nicolas Bernard, and Alexandra Lecas pp 1567–1568 DOI: 10.1021/ja952580j Supporting Info

Antimony-Templated Macrolactamization of Tetraamino Esters. Facile Synthesis of Macrocyclic Spermine Alkaloids, (±)-Buchnerine, (±)-Verbacine, (±)-Verbaskine, and (±)-Verbascenine Kazuaki Ishihara, Yoshichika Kuroki, Naoyuki Hanaki, Suguru Ohara, and Hisashi Yamamoto pp 1569–1570 DOI: 10.1021/ja953541a Supporting Info

Palladium-Catalyzed Hydrophosphorylation of Alkynes via Oxidative Addition of HP(O)(OR)2 Li-Biao Han and Masato Tanaka pp 1571–1572 DOI: 10.1021/ja953690t Supporting Info

Molecular Umbrellas Vaclav Janout, Marion Lanier, and Steven L. Regen pp 1573–1574 DOI: 10.1021/ja953261v Supporting Info

Control of the Enantiochemistry of Electrophilic Substitutions of N-Pivaloyl-α-lithio-o-ethylaniline:  Stereoinformation Transfer Based on the Method of Organolithium Formation Amit Basu and Peter Beak pp 1575–1576 DOI: 10.1021/ja951895w Supporting Info

Zirconium-Catalyzed Enantioselective Alkylalumination of Monosubstituted Alkenes Proceeding via Noncyclic Mechanism Denis Y. Kondakov and Ei-ichi Negishi pp 1577–1578 DOI: 10.1021/ja953655m Supporting Info

Sequence Dependent Hydration of DNA:  Theoretical Results J. Am. Chem. Soc. 1995, 117, 10161 Adrian H. Elcock and J. Andrew McCammon p 1579 DOI: 10.1021/ja955036j

Gas-Phase Base-Induced 1,4-Eliminations:  Occurrence of Single-, Double-, and Triple-Well E1cb Mechanisms J. Am. Chem. Soc. 1995, 117, 9889−9899 F. Matthias Bickelhaupt, Godfried J. H. Buisman, Leo J. De Koning, Nico M. M. Nibbering, and Evert Jan Baerends p 1579 DOI: 10.1021/ja955037b

Pro-d-NMe-Amino Acid and d-Pro-NMe-Amino Acid:  Simple, Efficient Reverse-Turn Constraints J. Am. Chem. Soc. 1995, 117, 5927−5937 David K. Chalmers and Garland R. Marshall p 1579 DOI: 10.1021/ja955039w

Patty's Industrial Hygiene and Toxicology. Volume 3, Part B Lewis J. Cralley, Lester V. Cralley, and James S. Bus (Dow Chemical Company). John Wiley:  New York. 1995. x + 765 pp. $195.00. ISBN 0-471-53065-4. James B. Blair p 1580 DOI: 10.1021/ja955193i

Dictionary of Organic Compounds. Sixth Edition. Volumes 1−9 Edited by J. Buckingham and F. Macdonald (Chapman & Hall). Chapman and Hall:  London. 1995. 9144 pp. $5200.00. ISBN 0-412-54090-8. David Flaxbart p 1580 DOI: 10.1021/ja955360e

Issue 07

Peptide-Mediated Release of Folate-Targeted Liposome Contents from Endosomal Compartments1 Karen Vogel, Susan Wang, Robert J. Lee, Jean Chmielewski, and Philip S. Low pp 1581–1586 DOI: 10.1021/ja952725m

Rolling Circle DNA Synthesis:  Small Circular Oligonucleotides as Efficient Templates for DNA Polymerases Dongyu Liu, Sarah L. Daubendiek, Martin A. Zillman, Kevin Ryan, and Eric T. Kool pp 1587–1594 DOI: 10.1021/ja952786k

Protonated Sapphyrins. Highly Effective Phosphate Receptors Vladimír Král, Hiroyuki Furuta, Kevin Shreder, Vincent Lynch, and Jonathan L. Sessler pp 1595–1607 DOI: 10.1021/ja9529605 Supporting Info

Interaction of Sapphyrin with Phosphorylated Species of Biological Interest Brent L. Iverson, Kevin Shreder, Vladimír Král, Petra Sansom, Vincent Lynch, and Jonathan L. Sessler pp 1608–1616 DOI: 10.1021/ja952961x Supporting Info

Reaction of Cp*(CO)2ReRe(CO)2Cp* with Dimethyl Acetylenedicarboxylate Produces a 3,4-Dimetallacyclobutene Which Undergoes Photochemical Isomerization to a 2,4-Dimetallabicyclo[1.1.0]butane Charles P. Casey, Ronald S. Cariño, Randy K. Hayashi, and Kurt D. Schladetzky pp 1617–1623 DOI: 10.1021/ja9515516 Supporting Info

Hammerhead Minizymes with High Cleavage Activity:  A Dimeric Structure as the Active Conformation of Minizymes Serguei V. Amontov and Kazunari Taira pp 1624–1628 DOI: 10.1021/ja9517734

(−)-Sandramycin:  Total Synthesis and Characterization of DNA Binding Properties Dale L. Boger, Jyun-Hung Chen, and Kurt W. Saionz pp 1629–1644 DOI: 10.1021/ja952799y Supporting Info

A Weak Calcium Binding Site in Subtilisin BPN‘ Has a Dramatic Effect on Protein Stability Richard D. Kidd, Hemant P. Yennawar, Pamela Sears, Chi-Huey Wong, and Gregory K. Farber pp 1645–1650 DOI: 10.1021/ja953443p

A Simple Strategy for Determining the Absolute Configurations of Acyclic 1,2,4,6,8-Pentols Yuji Mori, Tomoko Sawada, Natsue Sasaki, and Hiroshi Furukawa pp 1651–1656 DOI: 10.1021/ja9523505

Absolute Stereochemistry of Precorrin-3x and Its Relevance to the Dichotomy of Ring Contraction Mechanism in Vitamin B12 Biosynthesis Neal J. Stolowich, Jianji Wang, Jonathan B. Spencer, Patricio J. Santander, Charles A. Roessner, and A. Ian Scott pp 1657–1662 DOI: 10.1021/ja952739s

Model Calculations of Isotope Effects Using Structures Containing Low-Barrier Hydrogen Bonds W. Phillip Huskey pp 1663–1668 DOI: 10.1021/ja9529246

Application of Genetic Algorithms to Combinatorial Synthesis:  A Computational Approach to Lead Identification and Lead Optimization, Jasbir Singh, Mark A. Ator, Edward P. Jaeger, Martin P. Allen, David A. Whipple, James E. Soloweij, Swapan Chowdhary, and Adi M. Treasurywala pp 1669–1676 DOI: 10.1021/ja953172i Supporting Info

Cationic Ring-Opening Polymerization of 3,6-Di-O-benzyl-α-d-glucose 1,2,4-Orthopivalate and the First Chemical Synthesis of Cellulose Fumiaki Nakatsubo, Hiroshi Kamitakahara, and Michiko Hori pp 1677–1681 DOI: 10.1021/ja953286u

Photodimerization of 1-Phenylcyclohexene. A Novel Transient−Transient Component David J. Unett, Richard A. Caldwell, and Duane C. Hrncir pp 1682–1689 DOI: 10.1021/ja9533860 Supporting Info

Epimerization of Cyclic Vinylphosphirane Complexes:  The Intermediacy of Biradicals Bing Wang, Charles H. Lake, and Koop Lammertsma pp 1690–1695 DOI: 10.1021/ja953696i Supporting Info

True Metal-Catalyzed Hydroboration with Titanium Xiaoming He and John F. Hartwig pp 1696–1702 DOI: 10.1021/ja9516773 Supporting Info

Structural Distortion of the TpCo-L Fragment (Tp = tris(pyrazolyl)borate). Analysis by X-ray Diffraction and Density Functional Theory Jennifer L. Detrich, Robert Konený, William M. Vetter, Douglas Doren, Arnold L. Rheingold, and Klaus H. Theopold pp 1703–1712 DOI: 10.1021/ja9523101 Supporting Info

Characterization of Transition States in Dichloro(1,4,7-triazacyclononane)copper(II)-Catalyzed Activated Phosphate Diester Hydrolysis Kim A. Deal, Alvan C. Hengge, and Judith N. Burstyn pp 1713–1718 DOI: 10.1021/ja952306p Supporting Info

A π-Donor Spectrochemical Series for X in (Me5C5)2TiX, and β-Agostic Interactions in X = Et and N(Me)Ph Wayne W. Lukens, Jr., Milton R. Smith III, and Richard A. Andersen pp 1719–1728 DOI: 10.1021/ja953272o Supporting Info

Specific Intermolecular Interaction of Carbon Dioxide with Polymers Sergei G. Kazarian, Michael F. Vincent, Frank V. Bright, Charles L. Liotta, and Charles A. Eckert pp 1729–1736 DOI: 10.1021/ja950416q

Barrier to Rotation in Thioformamide: Implications for Amide Resonance Keith E. Laidig and Lynn M. Cameron pp 1737–1742 DOI: 10.1021/ja952678y

Solvent Dynamics Effects on Heterogeneous Electron Transfer Rate Constants of Cobalt Tris(bipyridine) Radha Pyati and Royce W. Murray pp 1743–1749 DOI: 10.1021/ja952912k

Theoretical Study of the Reaction of Allylsilanes with Carbonyl Compounds Kiyoyuki Omoto, Yoshito Sawada, and Hiroshi Fujimoto pp 1750–1755 DOI: 10.1021/ja953090u

Investigation of Carotenoid Radical Cations and Triplet States by Laser Flash Photolysis and Time-Resolved Resonance Raman Spectroscopy:  Observation of Competitive Energy and Electron Transfer J. H. Tinkler, S. M. Tavender, A. W. Parker, D. J. McGarvey, L. Mulroy, and T. G. Truscott pp 1756–1761 DOI: 10.1021/ja953181r

Solvent and Distance Dependent Charge Separation in Rigid Trichromophoric Systems Martin R. Roest, Jan W. Verhoeven, Wouter Schuddeboom, John M. Warman, James M. Lawson, and Michael N. Paddon-Row pp 1762–1768 DOI: 10.1021/ja9532749

Catalysis of the Electrochemical Reduction of Carbon Dioxide by Iron(0) Porphyrins:  Synergystic Effect of Weak Brönsted Acids Iqbal Bhugun, Doris Lexa, and Jean-Michel Savéant pp 1769–1776 DOI: 10.1021/ja9534462 Supporting Info

Changes of Molar Volume from Solid to Liquid and Solution:  The Particular Case of C60 P. Ruelle, A. Farina-Cuendet, and U. W. Kesselring pp 1777–1784 DOI: 10.1021/ja953467w

Dithiol Compounds:  Potent, Time-Dependent Inhibitors of VanX, a Zinc-Dependent d,d-Dipeptidase Required for Vancomycin Resistance in Enterococcus faecium Zhen Wu and Christopher Walsh pp 1785–1786 DOI: 10.1021/ja953652+

Mutagenesis Study of Active Site Residues in Chorismate Mutase from Bacillus subtilis Sharon T. Cload, David R. Liu, Richard M. Pastor, and Peter G. Schultz pp 1787–1788 DOI: 10.1021/ja953152g

Analysis of Active Site Residues in Escherichia coli Chorismate Mutase by Site-Directed Mutagenesis David R. Liu, Sharon T. Cload, Richard M. Pastor, and Peter G. Schultz pp 1789–1790 DOI: 10.1021/ja953151o

Template Effect for O2 Addition across cis-Sulfur Sites in Nickel Dithiolates Craig A. Grapperhaus, Marcetta Y. Darensbourg, Lloyd W. Sumner, and David H. Russell pp 1791–1792 DOI: 10.1021/ja953489i Supporting Info

Activation of Organic Disulfides by a Paramagnetic Heterobimetallic Tantalum/Cobalt Complex and a Comparison of Their Reactions with Cobaltocene. Evidence for a Dependence of Mechanism on the Electronic Properties of the Disulfide Mark A. Aubart and Robert G. Bergman pp 1793–1794 DOI: 10.1021/ja953331y Supporting Info

Extracellular pH Is Required for Rapid Release of Insulin from Zn−Insulin Precipitates in β-Cell Secretory Vesicles during Exocytosis Robert T. Kennedy, Lan Huang, and Craig A. Aspinwall pp 1795–1796 DOI: 10.1021/ja953271w

Characterization of a Phosphoglucose Isomerase-like Activity Associated with the Carboxy-Terminal Domain of Escherichia coli Glucosamine-6-phosphate Synthase Caroline Leriche, Marie-Ange Badet-Denisot, and Bernard Badet pp 1797–1798 DOI: 10.1021/ja953614q

A Classical Paradigm of Alkaloid Biogenesis Revisited:  Acetonedicarboxylic Acid as a Biosynthetic Precursor of Lycopodine Thomas Hemscheidt and Ian D. Spenser pp 1799–1800 DOI: 10.1021/ja953735q

Highly Efficient Synthesis of the Potent Antitumor Annonaceous Acetogenin (+)-Parviflorin Thomas R. Hoye and Zhixiong Ye pp 1801–1802 DOI: 10.1021/ja953781q Supporting Info

Assemblage and Alignment of the Spins of the Organic Trinitroxide Radical with a Quartet Ground State by Means of Complexation with Magnetic Metal Ions. A Molecule-Based Magnet with Three-Dimensional Structure and High TC of 46 K Katsuya Inoue, Takashi Hayamizu, Hiizu Iwamura, Daisuke Hashizume, and Yuji Ohashi pp 1803–1804 DOI: 10.1021/ja952301s Supporting Info

Group IV Metallocene-Mediated Synthesis of Fluoroaromatics via Selective Defluorination of Saturated Perfluorocarbons Jaqueline L. Kiplinger and Thomas G. Richmond pp 1805–1806 DOI: 10.1021/ja952563u Supporting Info

Moore-Type Cyclization Leading to Arene Chromium Tricarbonyl 1,4-Diradical Intermediates and the Isolation of Indolines Annette Rahm and William D. Wulff pp 1807–1808 DOI: 10.1021/ja953619n Supporting Info

Kinetic Resolution of Secondary Alcohols. Enantioselective Acylation Mediated by a Chiral (Dimethylamino)pyridine Derivative Edwin Vedejs and Xinhai Chen pp 1809–1810 DOI: 10.1021/ja953631f Supporting Info

Polyrotaxane Containing a Blocking Group in Every Structural Unit of the Polymer Chain. Direct Synthesis of Poly(alkylenebenzimidazole) Rotaxane from Ru Complex-Catalyzed Reaction of 1,12-Dodecanediol and 3,3‘-Diaminobenzidine in the Presence of Cyclodextrin Isao Yamaguchi, Kohtaro Osakada, and Takakazu Yamamoto pp 1811–1812 DOI: 10.1021/ja953101j Supporting Info

Sequence-Selective Peptide Binding with a Peptido-A,B-trans-steroidal Receptor Selected from an Encoded Combinatorial Receptor Library Yuan Cheng, Toshiro Suenaga, and W. Clark Still pp 1813–1814 DOI: 10.1021/ja952976v Supporting Info

Spontaneous Multilayering of Calix-4-resorcinarenes J. Am. Chem. Soc. 1995, 117, 10385 Frank Davis and Charles J. M. Stirling p 1815 DOI: 10.1021/ja9550384

Analyses of Hazardous Substances in Biological Materials. Volume 4 Edited by J. Angerer and K. H. Schaller (Universitat Erlangen-Nurnberg). VCH:  Weinheim. 1994. xxii + 267 pp. $80.00. ISBN 3-527-27027-2. Brian T. Buckley p 1815 DOI: 10.1021/ja955138+

Excited States in Photochemistry of Organic Molecules Edited by Martin Klessinger (University of Munster) and Josef Michl (University of Colorado). VCH:  New York. 1995. xxiv + 537 pp. $89.95. ISBN 1-56081-588-4. Marye Anne Fox pp 1815–1816 DOI: 10.1021/ja955368o

Biodegradation of Nitroaromatic Compounds Edited by Jim C. Spain (Armstrong Laboratory, Tyndall Air Force Base, FL). Plenum Press:  New York. 1995. xiii + 232 pp. $79.50. ISBN 0-306-45014-3. Alka Shukla p 1816 DOI: 10.1021/ja9552454

Nuclear Magnetic Resonance Probes of Molecular Dynamics Edited by Robert Tycko (AT&T Bell Lab, New Jersey). Kluwer Academic:  The Netherlands. 1994. xi + 550 pp. $252.00. ISBN 0-7923-2795-0. Paul T. Inglefield p 1816 DOI: 10.1021/ja955252s

Electrochromism:  Fundamentals and Applications Edited by Paul S. Monk (Manchester Metropolitan University, U.K.), Roger J. Mortimer (Loughborough University of Technology, U.K.), and David R. Rosseinsky (University of Exeter, U.K.). VCH:  New York. 1995. xxiii + 216 pp. $98.00. ISBN 3-527-29063-X. Thomas F. Guarr p 1816 DOI: 10.1021/ja955309a

Waterborne Coatings and Additives Edited by D. R. Karsa and W. D. Davies (Akcros Chemicals). Royal Society of Chemistry:  Cambridge, U.K. 1995. viii + 259 pp. £49.50. ISBN 0-85404-740-9. Han-Xiong Xiao p 1816 DOI: 10.1021/ja9553213

Issue 08

On the Stereochemical Course of Human Protein-Farnesyl Transferase YongQi Mu, Charles A. Omer, and Richard A. Gibbs pp 1817–1823 DOI: 10.1021/ja953005i

Voltage-Assisted Peptide Synthesis in Aqueous Solution by α-Chymotrypsin Immobilized in Polypyrrole Matrix Golam Faruque Khan, Eiry Kobatake, Hiroaki Shinohara, Yushihito Ikariyama, and Masuo Aizawa pp 1824–1830 DOI: 10.1021/ja950020e

Group Additivity Analysis of the Heat Capacity Changes Associated with the Dissolution into Water of Different Organic Compounds G. Graziano and G. Barone pp 1831–1835 DOI: 10.1021/ja9521942 Supporting Info

A Novel Three-Enzyme Reaction Cycle for the Synthesis of N-Acetyllactosamine with in Situ Regeneration of Uridine 5‘-Diphosphate Glucose and Uridine 5‘-Diphosphate Galactose Astrid Zervosen and Lothar Elling pp 1836–1840 DOI: 10.1021/ja953495e

Synthesis, Conformation, and Biological Activity of Teleocidin Mimics, Benzolactams. A Clarification of the Conformational Flexibility Problem in Structure−Activity Studies of Teleocidins Yasuyuki Endo, Michihiro Ohno, Masaaki Hirano, Akiko Itai, and Koichi Shudo pp 1841–1855 DOI: 10.1021/ja953578v

Spontaneous Polymer Thin Film Assembly and Organization Using Mutually Immiscible Side Chains F. Sun, D. G. Castner, G. Mao, W. Wang, P. McKeown, and D. W. Grainger pp 1856–1866 DOI: 10.1021/ja952225t Supporting Info

Pyruvate Decarboxylase:  A Molecular Modeling Study of Pyruvate Decarboxylation and Acyloin Formation Mario Lobell and David H. G. Crout pp 1867–1873 DOI: 10.1021/ja951830t

Dolastatin H and Isodolastatin H, Potent Cytotoxic Peptides from the Sea Hare Dolabella auricularia:  Isolation, Stereostructures, and Synthesis Hiroki Sone, Takunobu Shibata, Tatsuya Fujita, Makoto Ojika, and Kiyoyuki Yamada pp 1874–1880 DOI: 10.1021/ja9519086 Supporting Info

Structural Effects Affecting the Thermal Electrocyclic Ring Closure of Vinylallenes to Alkylidenecyclobutenes Susana López, Jesús Rodríguez, José García Rey, and Angel R. de Lera pp 1881–1891 DOI: 10.1021/ja9522241 Supporting Info

Photosensitized Reaction of 8-Oxo-7,8-dihydro-2‘-deoxyguanosine:  Identification of 1-(2-Deoxy-β-d-erythro-pentofuranosyl)cyanuric Acid as the Major Singlet Oxygen Oxidation Product Sébastien Raoul and Jean Cadet pp 1892–1898 DOI: 10.1021/ja952347l Supporting Info

Diastereoselective Singlet Oxygen Ene Reaction (Schenck Reaction) and Diastereoselective Epoxidations of Heteroatom-Substituted Acyclic Chiral Olefins:  A Mechanistic Comparison Waldemar Adam, Hans-Günter Brünker, A. Sampath Kumar, Eva-Maria Peters, Karl Peters, Uwe Schneider, and Hans Georg von Schnering pp 1899–1905 DOI: 10.1021/ja9530230 Supporting Info

Living Organotitanium(IV)-Catalyzed Polymerizations of Isocyanates Timothy E. Patten and Bruce M. Novak pp 1906–1916 DOI: 10.1021/ja9534516

π-Facial Diastereoselection in the 1,2-Addition of Allylmetal Reagents to 2-Methoxycyclohexanone and Tetrahydrofuranspiro-(2-cyclohexanone) Leo A. Paquette and Paul C. Lobben pp 1917–1930 DOI: 10.1021/ja9536835

Addition of Allylindium Reagents to Aldehydes Substituted at Cα or Cβ with Heteroatomic Functional Groups. Analysis of the Modulation in Diastereoselectivity Attainable in Aqueous, Organic, and Mixed Solvent Systems Leo A. Paquette and Thomas M. Mitzel pp 1931–1937 DOI: 10.1021/ja953682c

The Role of the Aminosugar and Helix Binding in the Thiol-Induced Activation of Calicheamicin for DNA Cleavage Moneesh Chatterjee, Paul J. Smith, and Craig A. Townsend pp 1938–1948 DOI: 10.1021/ja953162h

Tuning the Excited-State Properties of Platinum(II) Diimine Dithiolate Complexes Scott D. Cummings and Richard Eisenberg pp 1949–1960 DOI: 10.1021/ja951345y Supporting Info

Rates of Heme Oxidation and Reduction in Ru(His33)cytochrome c at Very High Driving Forces Gary A. Mines, Morten J. Bjerrum, Michael G. Hill, Danilo R. Casimiro, I-Jy Chang, Jay R. Winkler, and Harry B. Gray pp 1961–1965 DOI: 10.1021/ja9519243

The Cuboidal Fe3S4 Cluster:  Synthesis, Stability, and Geometric and Electronic Structures in a Non-Protein Environment Jian Zhou, Zhengguo Hu, Eckard Münck, and R. H. Holm pp 1966–1980 DOI: 10.1021/ja9537843 Supporting Info

Reactions of Cp2Ta(CH2)(CH3) with Substituted and Unsubstituted Metal Carbonyls (Groups 7, 8, and 9). Evidence for Intermediates Involved in the Carbon−Carbon Bond-Forming Steps of the Reduction and Deoxygenation of CO Grant Proulx and Robert G. Bergman pp 1981–1996 DOI: 10.1021/ja951685j Supporting Info

The Lithium−Sodium−Methylamine System:  Does a Low-Melting Sodide Become a Liquid Metal? Marc G. DeBacker, El Bachir Mkadmi, François X. Sauvage, Jean-Pierre Lelieur, Michael J. Wagner, Rosario Concepcion, Jineun Kim, Lauren E. H. McMills, and James L. Dye pp 1997–2003 DOI: 10.1021/ja952634p

The Formation of Se2-:  A New Resonance Raman Feature in the Photochemistry of Zeolite-Encapsulated Selenium Andreas Goldbach, Lennox Iton, Marcos Grimsditch, and Marie-Louise Saboungi pp 2004–2007 DOI: 10.1021/ja9531788

The Diverse Reactivity of Peroxy Ferric Porphyrin Complexes of Electron-Rich and Electron-Poor Porphyrins Matthias Selke, Marlene F. Sisemore, and Joan Selverstone Valentine pp 2008–2012 DOI: 10.1021/ja953694y

Calculation of the Effects of Branching and Conjugation on Intrinsic Barriers for H Atom Transfer Reactions Involving Hydrocarbons Donald M. Camaioni, S. Tom Autrey, Terrance B. Salinas, and James A. Franz pp 2013–2022 DOI: 10.1021/ja950740l

On the Question of Stability, Conjugation, and “Aromaticity” in Imidazol-2-ylidenes and Their Silicon Analogs Christoph Heinemann, Thomas Müller, Yitzhak Apeloig, and Helmut Schwarz pp 2023–2038 DOI: 10.1021/ja9523294

Electronic Structure of Stable Carbenes, Silylenes, and Germylenes Christian Boehme and Gernot Frenking pp 2039–2046 DOI: 10.1021/ja9527075

Dynamics Calculations on Bis(hydrazine) and Bis(hydrazyl) Radical Cation Intramolecular Electron Transfer Stephen F. Nelsen pp 2047–2058 DOI: 10.1021/ja952539g Supporting Info

Solvent Effects on Molecular and Ionic Spectra. 7. Modeling the Absorption and Electroabsorption Spectra of Pentaammine- ruthenium(II) Pyrazine and Its Conjugate Acid in Water J. Zeng, N. S. Hush, and J. R. Reimers pp 2059–2068 DOI: 10.1021/ja952993k Supporting Info

Ultrafast Dynamics of Cp*M(CO)2 (M = Ir, Rh) in Solution:  The Origin of the Low Quantum Yields for C−H Bond Activation Steven E. Bromberg, Tianquan Lian, Robert G. Bergman, and Charles B. Harris pp 2069–2072 DOI: 10.1021/ja9531889

Application of Free Energy Perturbation Calculations to the Enantioselective Binding of Peptides to C3-Symmetric Synthetic Receptors D. Q. McDonald and W. Clark Still pp 2073–2077 DOI: 10.1021/ja952571a Supporting Info

Carbohydrates:  United Atom AMBER* Parameterization of Pyranoses and Simulations Yielding Anomeric Free Energies Hanoch Senderowitz, Carol Parish, and W. Clark Still pp 2078–2086 DOI: 10.1021/ja9529652 Supporting Info

Dramatic Increase of Turnover Numbers in Palladium-Catalyzed Coupling Reactions Using High-Pressure Conditions Stephan Hillers, Sabrina Sartori, and Oliver Reiser pp 2087–2088 DOI: 10.1021/ja952654r

EXAFS Studies of Pentavalent Neptunium Carbonato Complexes. Structural Elucidation of the Principal Constituents of Neptunium in Groundwater Environments David L. Clark, Steven D. Conradson, Scott A. Ekberg, Nancy J. Hess, Mary P. Neu, Phillip D. Palmer, Wolfgang Runde, and C. Drew Tait pp 2089–2090 DOI: 10.1021/ja9516423 Supporting Info

Trapping of an IMP Dehydrogenase−Substrate Covalent Intermediate by Mycophenolic Acid John O. Link and Kenneth Straub pp 2091–2092 DOI: 10.1021/ja9534056 Supporting Info

Highly Aromatic Planar all-cis-[10]Annulene Derivatives Paul v. R. Schleyer, Haijun Jiao, Horst M. Sulzbach, and Henry F. Schaefer III pp 2093–2094 DOI: 10.1021/ja953126i Supporting Info

Carbocyclic Ring Construction via Intramolecular Ionic Diels−Alder Reactions of in Situ-Generated, Heteroatom-Stabilized Allyl Cations in Highly Polar Media Paul A. Grieco, Michael D. Kaufman, John F. Daeuble, and Naoki Saito pp 2095–2096 DOI: 10.1021/ja9531992 Supporting Info

Reactivity of η2-(C,O)-Bound Ir−Ketene Complexes:  A 1,3-Hydride Shift Is a Hydride Walk by Way of an Enol Complex D. B. Grotjahn and H. C. Lo pp 2097–2098 DOI: 10.1021/ja9532392 Supporting Info

Nickel-Catalyzed Cyclizations of Alkynyl Enones with Concomitant Stereoselective Tri- or Tetrasubstituted Alkene Introduction John Montgomery and Alexey V. Savchenko pp 2099–2100 DOI: 10.1021/ja952026+ Supporting Info

A Thiolate-Bridged, Fully Delocalized Mixed-Valence Dicopper(I,II) Complex That Models the CuA Biological Electron-Transfer Site Robert P. Houser, Victor G. Young, Jr., and William B. Tolman pp 2101–2102 DOI: 10.1021/ja953776m Supporting Info

Lactoperoxidase Heme Structure Characterized by Paramagnetic Proton NMR Spectroscopy Tracey D. Rae and Harold M. Goff pp 2103–2104 DOI: 10.1021/ja952650m

Propene Polymerization Promoted by C2-Symmetric Metallocene Catalysts:  From Atactic to Isotactic Polypropene in Consequence of an Isotope Effect V. Busico, L. Caporaso, R. Cipullo, and L. LandrianiG. Angelini, A. Margonelli, and A. L. Segre pp 2105–2106 DOI: 10.1021/ja953064w

Mechanism of Assembly of the Diferric Cluster−Tyrosyl Radical Cofactor of Escherichia coli Ribonucleotide Reductase from the Diferrous Form of the R2 Subunit W. H. Tong, S. Chen, S. G. Lloyd, D. E. Edmondson, B. H. Huynh, and J. Stubbe pp 2107–2108 DOI: 10.1021/ja952764y Supporting Info

Generalized Dipeptidomimetic Template:  Solution Phase Parallel Synthesis of Combinatorial Libraries Dale L. Boger, Christine M. Tarby, Peter L. Myers, and Lynn Helena Caporale pp 2109–2110 DOI: 10.1021/ja9539711 Supporting Info

Mechanistic Diagnoses of N-Ribohydrolases and Purine Nucleoside Phosphorylase L. John Mazzella, David W. Parkin, Peter C. Tyler, Richard H. Furneaux, and Vern L. Schramm pp 2111–2112 DOI: 10.1021/ja953537z

Ab Initio Calculation of Hydrogen Abstraction Reactions of Phenyl Radical and p-Benzyne Cameron F. Logan and Peter Chen pp 2113–2114 DOI: 10.1021/ja953493u Supporting Info

Microbial Transformation and Degradation of Toxic Organic Compounds Edited by Lily Y. Young (Rutgers University) and Carl E. Cerniglia (National Center for Toxicological Research, Arkansas). Wiley:  New York. 1995. xii + 654 pp. $89.95. ISBN 0-471-52109-4. Robert C. Ahlert p 2115 DOI: 10.1021/ja955312u

Ion Exchange and Solvent Extraction. Volume 12 Edited by Jacob A. Marinsky (State University of New York at Buffalo) and Yizhak Marcus (The Hebrew University). Marcel Dekker:  New York. 1995. xvi + 448 pp. $195.00. ISBN 0-8247-9382-X. Spiro D. Alexandratos pp 2115–2116 DOI: 10.1021/ja955208c

Membrane Protein Structure:  Experimental Approaches Edited by Stephen H. White (University of California, Irvine). Oxford University Press:  New York. 1994. x + 395 pp. $65.00. ISBN 0-19-507112-3. Vivian Cody p 2116 DOI: 10.1021/ja945139m

Issue 09

2-Keto-3-deoxy-6-phosphogluconate Aldolases as Catalysts for Stereocontrolled Carbon−Carbon Bond Formation Michael C. Shelton, Ian C. Cotterill, Sarah T. A. Novak, Rahib M. Poonawala, Sunil Sudarshan, and Eric J. Toone pp 2117–2125 DOI: 10.1021/ja952596+

α−β Chimeric Oligonucleotides Form a New Stable “Snail-like” Structure M. B. Gottikh, O. A. Fedorova, M.-V. Baud-Demattei, S. Giorgi-Renault, J.-R. Bertrand, Z. A. Shabarova, and C. Malvy pp 2126–2130 DOI: 10.1021/ja953072c

Complexes of Lysine, Histidine, and Arginine with Sulfonated Azo Dyes:  Model Systems for Understanding the Biomolecular Recognition of Glycosaminoglycans by Proteins William H. Ojala, Elise A. Sudbeck, Linh Khanh Lu, Timothy I. Richardson, Rex E. Lovrien, and William B. Gleason pp 2131–2142 DOI: 10.1021/ja951121f Supporting Info

Conformational Determinants of Agonist versus Antagonist Properties of [d-Pen2,d-Pen5]Enkephalin (DPDPE) Analogs at Opioid Receptors. Comparison of X-ray Crystallographic Structure, Solution 1H NMR Data, and Molecular Dynamic Simulations of [l-Ala3]DPDPE and [d-Ala3]DPDPE Nathan Collins, Judith L. Flippen-Anderson, Ronald C. Haaseth, Jeffery R. Deschamps, Clifford George, Katalin Kövér, and Victor J. Hruby pp 2143–2152 DOI: 10.1021/ja9531081 Supporting Info

4-(Chloroacetyl)pyridinium Salt:  A New Chromophoric and Solvatochromic Reagent of the Thiol Group Michel Holler, Alain Burger, and Jean-François Biellmann pp 2153–2159 DOI: 10.1021/ja951660k Supporting Info

Studies of Acetylperoxy Radicals Produced by Photolysis of Biacetyl in Aerated Benzene Solutions. Ion-Pair Formation with Tetramethyl-p-phenylenediamine Mikio Hoshino, Masahiko Kagata, Hiroshi Seki, and Hideharu Seto pp 2160–2165 DOI: 10.1021/ja952886q

Reaction of Fischer Carbene Complexes with 1,3-Butadiynes:  A New Strategem for Biaryl Synthesis with Construction of the Biaryl Bond Preceding Synthesis of the Arenes Jianming Bao, William D. Wulff, Michael J. Fumo, Eugene B. Grant, Douglas P. Heller, Mark C. Whitcomb, and Siu-Man Yeung pp 2166–2181 DOI: 10.1021/ja953146k

Evidence for a Radical Relay Mechanism during Reaction of Surface-Immobilized Molecules A. C. Buchanan, III, Phillip F. Britt, Kimberly B. Thomas, and Cheryl A. Biggs pp 2182–2189 DOI: 10.1021/ja953548s

Novel Hybrid Spin Systems of 7,7‘,8,8‘-Tetracyanoquinodimethane (TCNQ) Radical Anions and 4-Amino-3,5-bis(pyridin-2-yl)-1,2,4-triazole (abpt). Crystal Structure of [Fe(abpt)2(TCNQ)2] at 298 and 100 K, Mössbauer Spectroscopy, Magnetic Properties, and Infrared Spectroscopy of the Series [MII(abpt)2(TCNQ)2] (M = Mn, Fe, Co, Ni, Cu, Zn) Paul J. Kunkeler, Petra J. van Koningsbruggen, Joost P. Cornelissen, André N. van der Horst, Adri M. van der Kraan, Anthony L. Spek, Jaap G. Haasnoot, and Jan Reedijk pp 2190–2197 DOI: 10.1021/ja943960s Supporting Info

A Class of Halide-Supported Trinuclear Nickel Clusters [Ni3(μ3-L)(μ3-X)(μ2-dppm)3]n+ (L = I-, Br-, CO, CNR; X = I-, Br-; n = 0, 1; dppm = Ph2PCH2PPh2):  Novel Physical Properties and the Fermi Resonance of Symmetric μ3-η1 Bound Isocyanide Ligands David A. Morgenstern, Gregory M. Ferrence, John Washington, Jason I. Henderson, Laurence Rosenhein, Jerald D. Heise, Phillip E. Fanwick, and Clifford P. Kubiak pp 2198–2207 DOI: 10.1021/ja953010m Supporting Info

Intramolecular Nucleophilic Acyl Substitution Reactions Mediated by XTi(O-i-Pr)3 (X = Cl, O-i-Pr)/2i-PrMgBr Reagent. Efficient Synthesis of Functionalized Organotitanium Compounds from Unsaturated Compounds Sentaro Okamoto, Aleksandr Kasatkin, P. K. Zubaidha, and Fumie Sato pp 2208–2216 DOI: 10.1021/ja953497z Supporting Info

Lithium Ion Solvation: Amine and Unsaturated Hydrocarbon Solvates of Lithium Hexamethyldisilazide (LiHMDS) Brett L. Lucht and David B. Collum pp 2217–2225 DOI: 10.1021/ja953029p Supporting Info

Shape-Dominated Ordering in Nematic Solvents. A Deuterium NMR Study of Cycloalkane Solutes Andreas F. Terzis, Chi-Duen Poon, Edward T. Samulski, Zeev Luz, Raphy Poupko, Herbert Zimmermann, Klaus Müller, Hirokazu Toriumi, and Demetri J. Photinos pp 2226–2234 DOI: 10.1021/ja953095r

Spectroscopic and Kinetic Properties of the Radical Zwitterion and Related Intermediates in the One-Electron Oxidation of p-Aminobenzoic Acid G. N. R. Tripathi and Yali Su pp 2235–2244 DOI: 10.1021/ja953180z

Time-Resolved Resonance Raman, Electron Spin Resonance, and ab Initio Molecular Orbital Study of the Structure and Proton Reactivity of 4-Carbamylpyridinyl Radicals G. N. R. Tripathi, Yali Su, John Bentley, R. W. Fessenden, and P.-Y. Jiang pp 2245–2256 DOI: 10.1021/ja953604p

Trajectory Studies of SN2 Nucleophilic Substitution. 5. Semiempirical Direct Dynamics of Cl-- - -CH3Br Unimolecular Decomposition Gilles H. Peslherbe, Haobin Wang, and William L. Hase pp 2257–2266 DOI: 10.1021/ja953120t

Luminescence Quenching in Supramolecular Systems:  A Comparison of DNA- and SDS Micelle-Mediated Photoinduced Electron Transfer between Metal Complexes M. R. Arkin, E. D. A. Stemp, C. Turro, N. J. Turro, and J. K. Barton pp 2267–2274 DOI: 10.1021/ja9532998 Supporting Info

Reactivity and Efficiency of Singlet- and Triplet-Excited States in Intermolecular Hydrogen Abstraction Reactions Werner M. Nau, Frances L. Cozens, and J. C. Scaiano pp 2275–2282 DOI: 10.1021/ja9535118

Surface Titration:  A Continuum Electrostatics Model Jason L. Smart and J. Andrew McCammon pp 2283–2284 DOI: 10.1021/ja953878c

Photochemical Promotion of the Intramolecular Pauson−Khand Reaction. A New Experimental Protocol for Cobalt-Catalyzed [2 + 2 + 1] Cycloadditions Brian L. Pagenkopf and Tom Livinghouse pp 2285–2286 DOI: 10.1021/ja9535975 Supporting Info

Strand Displacement Binding of a Duplex-Forming Homopurine PNA to a Homopyrimidine Duplex DNA Target Peter E. Nielsen and Leif Christensen pp 2287–2288 DOI: 10.1021/ja953125q

The Catalytic Shapiro Reaction Keiji Maruoka, Masataka Oishi, and Hisashi Yamamoto pp 2289–2290 DOI: 10.1021/ja951422p Supporting Info

Aminoboratabenzene Derivatives of Zirconium:  A New Class of Olefin Polymerization Catalysts Guillermo C. Bazan and George RodriguezArthur J. Ashe, III, Saleem Al-Ahmad, and Christian Müller pp 2291–2292 DOI: 10.1021/ja953384f Supporting Info

13C-NMR Study on the Structure of Isolated Sc2@C84 Metallofullerene Etsuji Yamamoto, Masataka Tansho, Tetsuo Tomiyama, and Hisanori ShinoharaHironori KawaharaYuji Kobayashi pp 2293–2294 DOI: 10.1021/ja953393o

Proton Configuration in the Ground State and Transition State of a Glutathione Transferase-Catalyzed Reaction Inferred from the Properties of Tetradeca(3-fluorotyrosyl)glutathione Transferase James F. Parsons and Richard N. Armstrong pp 2295–2296 DOI: 10.1021/ja960022e

Recognition Specificity of Neoglycopolymers Prepared by Ring-Opening Metathesis Polymerization Kathleen H. Mortell, Ross V. Weatherman, and Laura L. Kiessling pp 2297–2298 DOI: 10.1021/ja953574q Supporting Info

Effect of the Electric Field Generated by the Helix Dipole on Photoinduced Intramolecular Electron Transfer in Dichromophoric α-Helical Peptides Elena Galoppini and Marye Anne Fox pp 2299–2300 DOI: 10.1021/ja951555a Supporting Info

Enantioselective Total Synthesis of (+)-Duocarmycin A, epi-(+)-Duocarmycin A, and Their Unnatural Enantiomers Dale L. Boger, Jeffrey A. McKie, Takahide Nishi, and Tsuyoshi Ogiku pp 2301–2302 DOI: 10.1021/ja953777e Supporting Info

DNA−Carbohydrate Interactions. Specific Binding of Head-to-Head and Head-to-Tail Dimers of the Calicheamicin Oligosaccharide to Duplex DNA K. C. Nicolaou, B. M. Smith, K. Ajito, H. Komatsu, L. Gomez-Paloma, and Y. Tor pp 2303–2304 DOI: 10.1021/ja9538142

An NMR Method To Identify Nondestructively Chemical Compounds Bound to a Single Solid-Phase-Synthesis Bead for Combinatorial Chemistry Applications Susanta K. Sarkar, Ravi S. Garigipati, Jerry L. Adams, and Paul A. Keifer pp 2305–2306 DOI: 10.1021/ja952434d

Cation−π Interactions in Simple Aromatics:  Electrostatics Provide a Predictive Tool Sandro Mecozzi, Anthony P. West, Jr., and Dennis A. Dougherty pp 2307–2308 DOI: 10.1021/ja9539608 Supporting Info

A Second Generation Force Field for the Simulation of Proteins, Nucleic Acids, and Organic Molecules J. Am. Chem. Soc. 1995, 117, 5179−5197 Wendy D. Cornell, Piotr Cieplak, Christopher I. Bayly, Ian R. Gould, Kenneth M. Merz, Jr., David M. Ferguson, David C. Spellmeyer, Thomas Fox, James W. Caldwell, and Peter A. Kollman p 2309 DOI: 10.1021/ja955032e

Total Synthesis of the Unusual Marine Alkaloid (−)-Papuamine Utilizing a Novel Imino Ene Reaction J. Am. Chem. Soc. 1995, 117, 10905−10913 Robert M. Borzilleri, Steven M. Weinreb, and Masood Parvez p 2309 DOI: 10.1021/ja965400u

Introduction to Molecular Electronics Edited by M. C. Petty, M. R. Bryce, and D. Bloor (University of Durham, U.K.). Oxford University Press:  New York. 1995. xiv + 387 pp. $42.50. ISBN 0-19-521156-1. James M. Tour pp 2309–2310 DOI: 10.1021/ja9552914

Nucleophilic Aromatic Substitution of Hydrogen By Oleg N. Chupakhin and Valery N. Charushin (Urals State Technical University) and Henk C. van der Plas (Agricultural University, The Netherlands). Academic Press:  San Diego, CA. 1994. x + 367 pp. $95.00. ISBN 0-12-174640-2. John P. Idoux p 2310 DOI: 10.1021/ja945154r

Organic Molecular Crystals:  Interaction, Localization and Transport Phenomena By Edgar A. Silinsh (Latvian Academy of Sciences) and Vladislav Capek (Charles University, Prague). American Institute of Physics:  New York. 1994. xxiv + 402 pp. $60.00. ISBN 1-56396-069-9. Craig J. Eckhardt p 2310 DOI: 10.1021/ja945159o

Issue 10

Anthraquinone Photonucleases:  Mechanisms for GG-Selective and Nonselective Cleavage of Double-Stranded DNA David T. Breslin and Gary B. Schuster pp 2311–2319 DOI: 10.1021/ja953714w

DNA and RNA Modification Promoted by [Co(H2O)6]Cl2 and KHSO5:  Guanine Selectivity, Temperature Dependence, and Mechanism James G. Muller, Ping Zheng, Steven E. Rokita, and Cynthia J. Burrows pp 2320–2325 DOI: 10.1021/ja952518m Supporting Info

Role of the C-10 Substituent in Mitomycin C-1−DNA Bonding Ven-Shun Li, Daeock Choi, Zheng Wang, Leslie S. Jimenez, Moon-shong Tang, and Harold Kohn pp 2326–2331 DOI: 10.1021/ja953871v

Relaxing Substrate Specificity in Antibody-Catalyzed Reactions:  Enantioselective Hydrolysis of N-Cbz-Amino Acid Esters Fujie Tanaka, Keiko Kinoshita, Ryuji Tanimura, and Ikuo Fujii pp 2332–2339 DOI: 10.1021/ja952220w Supporting Info

The X-ray Structure of a Transition State Analog Complex Reveals the Molecular Origins of the Catalytic Power and Substrate Specificity of Acetylcholinesterase Michal Harel, Daniel M. Quinn, Haridasan K. Nair, Israel Silman, and Joel L. Sussman pp 2340–2346 DOI: 10.1021/ja952232h

Multi-Heme Self-Assembly in Phospholipid Vesicles Joydeep Lahiri, Gwendolyn D. Fate, Solomon B. Ungashe, and John T. Groves pp 2347–2358 DOI: 10.1021/ja953092e

Mechanism-Based Inhibition of Human Steroid 5α-Reductase by Finasteride:  Enzyme-Catalyzed Formation of NADP−Dihydrofinasteride, a Potent Bisubstrate Analog Inhibitor Herbert G. Bull, Margarita Garcia-Calvo, Stefan Andersson, Walter F. Baginsky, H. Karen Chan, Dina E. Ellsworth, Randall R. Miller, Ralph A. Stearns, Raman K. Bakshi, Gary H. Rasmusson, Richard L. Tolman, Robert W. Myers, John W. Kozarich, and Georgianna S. Harris pp 2359–2365 DOI: 10.1021/ja953069t

Interaction of Triplet Photosensitizers with Nucleotides and DNA in Aqueous Solution at Room Temperature Ivo G. Gut, Paul D. Wood, and Robert W. Redmond pp 2366–2373 DOI: 10.1021/ja9519344

Dibenzotetraphenylperiflanthene:  Synthesis, Photophysical Properties, and Electrogenerated Chemiluminescence Jeff D. Debad, Jonathan C. Morris, Vince Lynch, Philip Magnus, and Allen J. Bard pp 2374–2379 DOI: 10.1021/ja9537888 Supporting Info

Photochemical and Chemical Electron Transfer Reactions of Bicyclo[2.1.0]pentanes (Housanes) in Solution and in Zeolite Cavities Waldemar Adam, Avelino Corma, Miguel A. Miranda, María-José Sabater-Picot, and Coskun Sahin pp 2380–2386 DOI: 10.1021/ja950397k Supporting Info

Reduced Derivatives of the Mn Cluster in the Oxygen-Evolving Complex of Photosystem II:  An EXAFS Study Pamela J. Riggs-Gelasco, Rui Mei, Charles F. Yocum, and James E. Penner-Hahn pp 2387–2399 DOI: 10.1021/ja9504496

X-ray Absorption Spectroscopy of Calcium-Substituted Derivatives of the Oxygen-Evolving Complex of Phostosytem II Pamela J. Riggs-Gelasco, Rui Mei, Demetrios F. Ghanotakis, Charles F. Yocum, and James E. Penner-Hahn pp 2400–2410 DOI: 10.1021/ja9504505 Supporting Info

A Crystallographic Map of Chiral Recognition in π Complexes of Aromatic Aldehydes and a Chiral Transition Metal Lewis Acid:  Enantioface Binding Selectivities in Solution Correlate to Distances between Metal and Carbon Stereocenters in the Solid State Brian J. Boone, Darryl P. Klein, Jeffery W. Seyler, N. Quirós Méndez, A. M. Arif, and J. A. Gladysz pp 2411–2421 DOI: 10.1021/ja953523t Supporting Info

Controlling Solid-State Reaction Pathways:  Composition Dependence in the Nucleation Energy of InSe Oyinda Oyelaran, Thomas Novet, Christopher D. Johnson, and David C. Johnson pp 2422–2426 DOI: 10.1021/ja953560k

Structure-Directing Effects in Zeolite Synthesis:  A Single-Crystal X-ray Diffraction, 29Si MAS NMR, and Computational Study of the Competitive Formation of Siliceous Ferrierite and Dodecasil-3C (ZSM-39) Scott J. Weigel, Jean-Christophe Gabriel, E. Guttierez Puebla, A. Monge Bravo, Neil J. Henson, Lucy M. Bull, and Anthony K. Cheetham pp 2427–2435 DOI: 10.1021/ja952418g Supporting Info

Electronic Effects on the β-Alkyl Migratory Insertion Reaction of para-Substituted Styrene Methyl Palladium Complexes Francis C. Rix, Maurice Brookhart, and Peter S. White pp 2436–2448 DOI: 10.1021/ja9527434 Supporting Info

Generation of Covalent and Electrostatic Complexes in Association Reactions of tert-Butyl Cation with Small Organics K. Norrman and T. B. McMahon pp 2449–2457 DOI: 10.1021/ja952311t

Hexairidium Clusters Supported on γ-Al2O3:  Synthesis, Structure, and Catalytic Activity for Toluene Hydrogenation A. Zhao and B. C. Gates pp 2458–2469 DOI: 10.1021/ja952996x

Mechanism of the Participation of Water in the Decomposition of Hydrogen Trioxide (HOOOH). A Theoretical Study Jože Koller and Božo Plesniar pp 2470–2472 DOI: 10.1021/ja9503387 Supporting Info

Natural Energy Decomposition Analysis:  Explicit Evaluation of Electrostatic and Polarization Effects with Application to Aqueous Clusters of Alkali Metal Cations and Neutrals Eric D. Glendening pp 2473–2482 DOI: 10.1021/ja951834y Supporting Info

Determination of the Backbone Dihedral Angles in Human Ubiquitin from Reparametrized Empirical Karplus Equations Andy C. Wang and Ad Bax pp 2483–2494 DOI: 10.1021/ja9535524 Supporting Info

Novel C−C and C−C−P Coupling Reactions Using an Allenylidenerhodium Complex as a Precursor Ralf Wiedemann, Paul Steinert, Olaf Gevert, and Helmut Werner pp 2495–2496 DOI: 10.1021/ja953911v Supporting Info

On the Existence of Conjugated Dinitrenes at 77 K T. Harder, J. Bendig, G. Scholz, and R. Stösser pp 2497–2498 DOI: 10.1021/ja9515056 Supporting Info

Asymmetric Ring-Closing Metathesis:  Kinetic Resolution Catalyzed by a Chiral Molybdenum Alkylidene Complex Osamu Fujimura and Robert H. Grubbs pp 2499–2500 DOI: 10.1021/ja9531384 Supporting Info

Hydrogen Bonds:  First Quantitative Agreement between Electrostatic Potential Calculations from Experimental X−(X + N) and Theoretical ab Initio SCF Models E. Espinosa, C. Lecomte, N. E. Ghermani, J. Devémy, M. M. Rohmer, M. Bénard, and E. Molins pp 2501–2502 DOI: 10.1021/ja953193c Supporting Info

First Isolation of a Metal Ketyl in Aggregated Forms. X-ray Structures of Dimeric and Tetrameric Sodium Fluorenone Ketyl Complexes:  [Na(μ2-η1-ketyl)(HMPA)2]2 and [Na(μ3-η1-ketyl)(HMPA)]4 Zhaomin Hou, Akira Fujita, Hiroshi Yamazaki, and Yasuo Wakatsuki pp 2503–2504 DOI: 10.1021/ja953931x Supporting Info

Metal Ion Modulation of Membrane Permeability Induced by a Polypetide Template Paolo ScriminAndrea Veronese, Paolo Tecilla, Umberto Tonellato, Vania Monaco, Fernando Formaggio, Marco Crisma, and Claudio Toniolo pp 2505–2506 DOI: 10.1021/ja9536173 Supporting Info

Hydrogen-Bonding as a Stereocontrolling Element in Free-Radical C-Allylation Reactions:  Vicinal, Proximal, and Remote Asymmetric Induction in the Amino Acid Series Stephen Hanessian, Hua Yang, and Robert Schaum pp 2507–2508 DOI: 10.1021/ja953913f Supporting Info

Ruthenium-Catalyzed Oxidation of Phenols with Alkyl Hydroperoxides. A Novel, Facile Route to 2-Substituted Quinones Shun-Ichi Murahashi, Takeshi Naota, Noriko Miyaguchi, and Shinji Noda pp 2509–2510 DOI: 10.1021/ja954009q Supporting Info

3,4-Didehydrothiophene:  Generation, Trapping Reactions, and Ab Initio Study1 Xin-Shan Ye, Wai-Kee Li, and Henry N. C. Wong pp 2511–2512 DOI: 10.1021/ja953747b Supporting Info

Role of Cluster-Ligated Aspartate in Gating Electron Transfer in the Four-Iron Ferredoxin from the Hyperthermophilic Archaeon Pyrococcus furiosus Luigi Calzolai, Zhi Hao Zhou, Michael W. W. Adams, and Gerd N. La Mar pp 2513–2514 DOI: 10.1021/ja953744z Supporting Info

Isolation and Characterization of a Novel Product, 2‘-Deoxyoxanosine, from 2‘-Deoxyguanosine, Oligodeoxynucleotide, and Calf Thymus DNA Treated by Nitrous Acid and Nitric Oxide Toshinori Suzuki, Ryohei Yamaoka, Masatoshi Nishi, Hiroshi Ide, and Keisuke Makino pp 2515–2516 DOI: 10.1021/ja952550g Supporting Info

Synthesis of Fischer Carbene Complexes of Iridium by C−H Bond Activation of Methyl and Cyclic Ethers:  Evidence for Reversible α-Hydrogen Migration Hans F. Luecke, Bruce A. Arndtsen, Peter Burger, and Robert G. Bergman pp 2517–2518 DOI: 10.1021/ja953437t Supporting Info

Stannyl Radical-Mediated Cleavage of π-Deficient Heterocyclic Sulfones. Synthesis of α-Fluoro Esters and the First Homonucleoside α-Fluoromethylene Phosphonate1 Stanislaw F. Wnuk and Morris J. Robins pp 2519–2520 DOI: 10.1021/ja953513s

Ruthenium(II)-Catalyzed Asymmetric Transfer Hydrogenation of Ketones Using a Formic Acid−Triethylamine Mixture Akio Fujii, Shohei Hashiguchi, Nobuyuki Uematsu, Takao Ikariya, and Ryoji Noyori pp 2521–2522 DOI: 10.1021/ja954126l Supporting Info

Single Atomic Group in RNA Helix Needed for Positive and Negative tRNA Synthetase Discrimination Hongjian Liu, Li-Ping Yap, and Karin Musier-Forsyth pp 2523–2524 DOI: 10.1021/ja954062e

Photoinduced Catalytic Defluorination of Perfluoroalkanes To Give Perfluoroalkenes Juan Burdeniuc and Robert H. Crabtree pp 2525–2526 DOI: 10.1021/ja9539599

Synthesis of Enantiomerically Pure Anti-Aldols:  A Highly Stereoselective Ester-Derived Titanium Enolate Aldol Reaction Arun K. Ghosh and Masanobu Onishi pp 2527–2528 DOI: 10.1021/ja9539148 Supporting Info

Preparation of the First Ditantalum(III) Complex Containing a Ta−Ta Bond without Bridging Ligands Ludmila Scoles, Kamalesh B. P. Ruppa, and Sandro Gambarotta pp 2529–2530 DOI: 10.1021/ja953807d Supporting Info

Tris(2-(perfluorohexyl)ethyl)tin Hydride:  A New Fluorous Reagent for Use in Traditional Organic Synthesis and Liquid Phase Combinatorial Synthesis Dennis P. Curran and Sabine Hadida pp 2531–2532 DOI: 10.1021/ja953287m Supporting Info

A Multicomponent Redox System Accounts for the First Nozaki−Hiyama−Kishi Reactions Catalytic in Chromium Alois Fürstner and Nongyuan Shi pp 2533–2534 DOI: 10.1021/ja9537538 Supporting Info

Preparation of a Protein-Dimerizing Ligand by Topochemistry and Structure-Based Design Bradley A. Katz pp 2535–2536 DOI: 10.1021/ja9536936

Asymmetric Synthesis of Enantiomerically Pure and Diversely Functionalized Cyclopropanes J. Am. Chem. Soc. 1995, 117, 10393−10394 Stephen Hanessian, Daniele Andreotti, and Arthur Gomtsyan p 2537 DOI: 10.1021/ja955040v

Comprehensive Organometallic Chemistry II, 14 Volume Set Edited by E. W. Abel (University of Exter, U.K.), F. G. A. Stone (Baylor University), and G. Wilkinson (Imperial College of Science Technology and Medicine, U.K.). Elsevier:  Oxford. 1995. 9000 pp. $4,470.00. ISBN 0-08-0406084. F. A. Cotton p 2537 DOI: 10.1021/ja955369g

Stereoselective Synthesis, Volume E21b Edited by Gunter Helmchen (Heidelberg), Reinhard W. Hoffmann (Marburg), Johann Mulzer (Berlin), and Ernst Schaumann (Clausthal). Georg Thieme Verlag:  Stuttgart, Germany. 1995. 1068 pp. DM2,840.00. ISBN 3-13-797904-8. Michael P. Doyle pp 2537–2538 DOI: 10.1021/ja9553258

Stereoselective Synthesis, Volume E21a Edited by Gunter Helmchen (Heidelberg), Reinhard W. Hoffmann (Marburg), Johann Mulzer (Berlin), and Ernst Schaumann (Clausthal). Georg Thieme Verlag:  Stuttgart, Germany. 1995. 1150 pp. DM2,600.00. ISBN 3-13-797904-8. Michael P. Doyle p 2538 DOI: 10.1021/ja955324f

Issue 11

Azatides:  Solution and Liquid Phase Syntheses of a New Peptidomimetic Hyunsoo Han and Kim D. Janda pp 2539–2544 DOI: 10.1021/ja9535470

Synthesis and Physical Properties of Highly Sulfonated Polyaniline X.-L. Wei, Y. Z. Wang, S. M. Long, C. Bobeczko, and A. J. Epstein pp 2545–2555 DOI: 10.1021/ja952277i

Novel Keto−Enol Systems:  Cyclobutane Derivatives Patrick E. Lindner, Ricardo A. Correa, James Gino, and David M. Lemal pp 2556–2563 DOI: 10.1021/ja952998h Supporting Info

Glyceraldehyde 3-Phosphate and Pyruvate as Precursors of Isoprenic Units in an Alternative Non-mevalonate Pathway for Terpenoid Biosynthesis Michel Rohmer, Myriam Seemann, Silke Horbach, Stephanie Bringer-Meyer, and Hermann Sahm pp 2564–2566 DOI: 10.1021/ja9538344

Novel Solution Phase Strategy for the Synthesis of Chemical Libraries Containing Small Organic Molecules Soan Cheng, Daniel D. Comer, John P. Williams, Peter L. Myers, and Dale L. Boger pp 2567–2573 DOI: 10.1021/ja9530681 Supporting Info

Postcondensation Modifications of Ugi Four-Component Condensation Products:  1-Isocyanocyclohexene as a Convertible Isocyanide. Mechanism of Conversion, Synthesis of Diverse Structures, and Demonstration of Resin Capture Thomas A. Keating and Robert W. Armstrong pp 2574–2583 DOI: 10.1021/ja953868b Supporting Info

Aggregation of Surfactant Squaraine Dyes in Aqueous Solution and Microheterogeneous Media:  Correlation of Aggregation Behavior with Molecular Structure Huijuan Chen, Mohammad S. Farahat, Kock-Yee Law, and David G. Whitten pp 2584–2594 DOI: 10.1021/ja9523911

Ground State Conformations and Entropic and Enthalpic Factors in the Efficiency of Intramolecular and Enzymatic Reactions. 1. Cyclic Anhydride Formation by Substituted Glutarates, Succinate, and 3,6-Endoxo-Δ4-tetrahydrophthalate Monophenyl Esters Felice C. Lightstone and Thomas C. Bruice pp 2595–2605 DOI: 10.1021/ja952589l

Absolute Configuration of Protochlorophyllide a and Substrate Specificity of NADPH−Protochlorophyllide Oxidoreductase Michael Helfrich, Siegrid Schoch, Wolfram Schäfer, Margareta Ryberg, and Wolfhart Rüdiger pp 2606–2611 DOI: 10.1021/ja953440c

Dimerization of 1-Phenylcycloalkene Cation Radicals Dependent on Their Structure Masanobu Kojima, Akikazu Kakehi, Akito Ishida, and Setsuo Takamuku pp 2612–2617 DOI: 10.1021/ja950770o

Fluorescence Quantum Yield of Poly(p-phenylenevinylene) Prepared via the Paracyclophene Route:  Effect of Chain Length and Interchain Contacts Guillermo C. Bazan, Yi-Jun Miao, Michelle L. Renak, and Benjamin J. Sun pp 2618–2624 DOI: 10.1021/ja953716g

Hammett Studies on Alkene Extrusion from Rhenium(V) Diolates and an MO Description of Metal Alkoxide−Alkyl Metal Oxo Interconversion Kevin P. Gable and Jerrick J. J. Juliette pp 2625–2633 DOI: 10.1021/ja952537w

Synthesis of a Novel Volatile Platinum Complex for Use in CVD and a Study of the Mechanism of Its Thermal Decomposition in Solution Christopher D. Tagge, Robert D. Simpson, Robert G. Bergman, Michael J. Hostetler, Gregory S. Girolami, and Ralph G. Nuzzo pp 2634–2643 DOI: 10.1021/ja9526527 Supporting Info

Diastereomeric DNA-Binding Geometries of Intercalated Ruthenium(II) Trischelates Probed by Linear Dichroism:  [Ru(phen)2DPPZ]2+ and [Ru(phen)2BDPPZ]2+ Per Lincoln, Anders Broo, and Bengt Nordén pp 2644–2653 DOI: 10.1021/ja953363l

Phosphine EB and CB Values Russell S. Drago and Steven Joerg pp 2654–2663 DOI: 10.1021/ja953581e

The Pyramidal Si2N−O Skeleton of O-Methyl-N,N-disilylhydroxylamine:  An Inherent Phenomenon As Confirmed by Structural Studies in Different Phases Norbert W. Mitzel, Esther Breuning, Alexander J. Blake, Heather E. Robertson, Bruce A. Smart, and David W. H. Rankin pp 2664–2668 DOI: 10.1021/ja953760w Supporting Info

Chemical Modeling of the Oxygen-Evolving Center in Plants. Synthesis, Structure, and Electronic and Redox Properties of a New Mixed Valence Mn−Oxo Cluster:  [Mn2III,IVO2(bisimMe2en)2]3+ (bisimMe2en = N,N‘-Dimethyl-N,N‘-bis(imidazol-4-ylmethyl)ethane-1,2-diamine). EPR Detection of an Imidazole Radical Induced by UV Irradiation at Low Temperature Yves-Michel Frapart, Alain Boussac, Rolf Albach, Elodie Anxolabéhère-Mallart, Michel Delroisse, Jean-Baptiste Verlhac, Geneviève Blondin, Jean-Jacques Girerd, Jean Guilhem, Michèle Cesario, Alfred William Rutherford, and Doris Lexa pp 2669–2678 DOI: 10.1021/ja9436411 Supporting Info

Auracarboranes with and without Au−Au Interactions:  An Unusually Strong Aurophilic Interaction David E. Harwell, Mark D. Mortimer, Carolyn B. Knobler, Frank A. L. Anet, and M. Frederick Hawthorne pp 2679–2685 DOI: 10.1021/ja953976y Supporting Info

Study of Water Binding to Low-Spin Fe(III) in Cytochrome P450 by Pulsed ENDOR and Four-Pulse ESEEM Spectroscopies D. Goldfarb, M. Bernardo, H. Thomann, P. M. H. Kroneck, and V. Ullrich pp 2686–2693 DOI: 10.1021/ja951307e

Intramolecular Electrostatic Interactions Accelerate Hydrogen Exchange in Diketopiperazine Relative to 2-Piperidone William R. Forsyth and Andrew D. Robertson pp 2694–2698 DOI: 10.1021/ja952892m

Nanocrystal [Ti14C13] to Metallocarbohedrene [Ti8C13]:  Structural Principles and Mechanism Ian Dance pp 2699–2707 DOI: 10.1021/ja9529089 Supporting Info

Selective Dehydrogenation of 1,3-Cyclohexadiene on Ordered Sn/Pt(111) Surface Alloys John W. Peck and Bruce E. Koel pp 2708–2717 DOI: 10.1021/ja953160x

Characterization of (P+Lx)Ly Ion Molecule Clusters of First-Row Hydrides Xabier Lopez, Jesus M. Ugalde, and Fernando P. Cossío pp 2718–2725 DOI: 10.1021/ja952257g Supporting Info

Directionality of Hydrogen Bonds to Sulfur and Oxygen J. A. Platts, S. T. Howard, and B. R. F. Bracke pp 2726–2733 DOI: 10.1021/ja952871s Supporting Info

Propensity Rules for the Stability of Odd-Numbered Fullerenes:  A Semiempirical Proposal E. Albertazzi and Francesco Zerbetto pp 2734–2739 DOI: 10.1021/ja953583z

Main-Chain Ferroelectric Liquid Crystal Oligomers by Acyclic Diene Metathesis Polymerization1 David M. Walba, Patrick Keller, Renfan Shao, Noel A. Clark, Marc Hillmyer, and Robert H. Grubbs pp 2740–2741 DOI: 10.1021/ja953779z

Singlet Oxygen Production from Excited Azoalkanes Werner M. Nau, Waldemar Adam, and J. C. Scaiano pp 2742–2743 DOI: 10.1021/ja952241q

Circular Dichroism Spectrum of a Peptide 310-Helix Claudio Toniolo, Alessandra Polese, Fernando Formaggio, Marco Crisma, and Johan Kamphuis pp 2744–2745 DOI: 10.1021/ja9537383 Supporting Info

Subphthalocyanines:  Novel Targets for Remarkable Second-Order Optical Nonlinearities A. Sastre, T. Torres, M. A. Díaz-García, F. Agulló-López, C. Dhenaut, S. Brasselet, I. Ledoux, and J. Zyss pp 2746–2747 DOI: 10.1021/ja9533050

Copper-Mediated Cross-Coupling of Organostannanes with Organic Iodides at or below Room Temperature Gary D. Allred and Lanny S. Liebeskind pp 2748–2749 DOI: 10.1021/ja9541239 Supporting Info

Inside−Outside Isomerism of β-Cyclodextrin Covalently Linked with a Naphthyl Group Shelli R. McAlpine and Miguel A. Garcia-Garibay pp 2750–2751 DOI: 10.1021/ja953061j Supporting Info

Large Organic Cations Can Replace Mg2+ and Ca2+ Ions in Bacteriorhodopsin and Maintain Proton Pumping Ability Eric H. L. Tan, Deshan S. K. Govender, and Robert R. Birge pp 2752–2753 DOI: 10.1021/ja953491+ Supporting Info

Synthesis and Characterization of the First Corannulene Cyclophane T. Jon Seiders, Kim K. Baldridge, and Jay S. Siegel pp 2754–2755 DOI: 10.1021/ja953734y Supporting Info

Steric Protection of the Selenium Atom of the Episelenonium Ion Intermediate To Prevent both the Racemization of the Chiral Carbon and the Selenophilic Attack of Carbon Nucleophiles Akio Toshimitsu, Katsuhiro Nakano, Takao Mukai, and Kohei Tamao pp 2756–2757 DOI: 10.1021/ja9538445 Supporting Info

A New Entry into Cyclo[n]carbons:  [2 + 2] Cycloreversion of Propellane-Annelated Dehydroannulenes Yoshito Tobe, Toshihiko Fujii, Hideki Matsumoto, Koichiro Naemura, Yohji Achiba, and Tomonari Wakabayashi pp 2758–2759 DOI: 10.1021/ja952801l Supporting Info

A Role for Electron Transfer in Heme Catabolism? Structure and Redox Behavior of an Intermediate, (Pyridine)2Fe(octaethyloxophlorin) Alan L. Balch, Richard Koerner, Lachosław Latos-Grażyński, and Bruce C. Noll pp 2760–2761 DOI: 10.1021/ja953410+ Supporting Info

Mechanistic Studies of the Facile Four-Electron Reduction of Azobenzene at a Single Tungsten Metal Center Mark A. Lockwood, Phillip E. Fanwick, Odile Eisenstein, and Ian P. Rothwell pp 2762–2763 DOI: 10.1021/ja954010p Supporting Info

An Artificial β-Sheet Comprising a Molecular Scaffold, a β-Strand Mimic, and a Peptide Strand1 James S. Nowick, Darren L. Holmes, Gilbert Mackin, Glenn Noronha, A. J. Shaka, and Eric M. Smith pp 2764–2765 DOI: 10.1021/ja953334a

Resonance Raman Evidence for Non-Heme Fe−O Species in the [6Fe−6S]-containing Iron−Sulfur Proteins from Sulfate-Reducing Bacteria Marcel L. de Vocht, Ingeborg M. Kooter, Yvonne B. M. Bulsink, Wilfred R. Hagen, and Michael K. Johnson pp 2766–2767 DOI: 10.1021/ja954099z

First Stable and Persistent 1,3-Bisketene and Trisketene Kuangsen Sung and Thomas T. Tidwell pp 2768–2769 DOI: 10.1021/ja9539554 Supporting Info

[((η2-tert-Butylperoxo)titanatrane)2· 3 Dichloromethane]:  X-ray Crystal Structure and Oxidation Reactions Gernot Boche, Konrad Möbus, Klaus Harms, and Michael Marsch pp 2770–2771 DOI: 10.1021/ja954308f Supporting Info

Ground and Excited State Aromatic−Aromatic Interactions with Distance Control by Hydrogen Bonding Frederick, D. Lewis, Jye-Shane Yang, and Charlotte L. Stern pp 2772–2773 DOI: 10.1021/ja9537437 Supporting Info

Chemometric Methods in Molecular Design. Methods and Principles in Medicinal Chemistry, Volume 2 Edited by Han van de Waterbend (Hoffman-LaRoche Ltd., Basil, Switzerland). VCH:  New York. 1995. xix + 359 pp. $110. ISBN 3-527-30044-9. A. J. Hopfinger p 2774 DOI: 10.1021/ja9551998

Organomagnesium Methods in Organic Synthesis By Basil J. Wakefield (University of Salford, U.K.). Academic Press:  London. 1995. xvi + 249 pp. $50.00. ISBN 0-12-730945-4. E. Alexander Hill p 2774 DOI: 10.1021/ja955313m

Issue 12

Guanine Radical Cations Are Precursors of 7,8-Dihydro-8-oxo-2‘-deoxyguanosine But Are Not Precursors of Immediate Strand Breaks in DNA Paul M. Cullis, Mark E. Malone, and Louise A. Merson-Davies pp 2775–2781 DOI: 10.1021/ja9536025

Molecular Modeling Studies on Oxidation of Hexopyranoses by Galactose Oxidase. An Active Site Topology Apparently Designed To Catalyze Radical Reactions, Either Concerted or Stepwise Rebekka M. Wachter and Bruce P. Branchaud pp 2782–2789 DOI: 10.1021/ja9519896

Allium Chemistry:  Structure, Synthesis, Natural Occurrence in Onion (Allium cepa), and Reactions of 2,3-Dimethyl-5,6-dithiabicyclo[2.1.1]hexane S-Oxides Eric Block, Mohan Thiruvazhi, Paul J. Toscano, Thomas Bayer, Serge Grisoni, and Shu-Hai Zhao pp 2790–2798 DOI: 10.1021/ja951134t Supporting Info

Allium Chemistry:  Synthesis and Sigmatropic Rearrangements of Alk(en)yl 1-Propenyl Disulfide S-Oxides from Cut Onion and Garlic1 Eric Block, Thomas Bayer, Sriram Naganathan, and Shu-Hai Zhao pp 2799–2810 DOI: 10.1021/ja953444h Supporting Info

Highly Efficient Conformer-Specific Adiabatic Cis → Trans Photoisomerization of cis-1-(2-Anthryl)-2-phenylethene in S1 Jack Saltiel, Yuxin Zhang, and Donald F. Sears, Jr. pp 2811–2817 DOI: 10.1021/ja951630h

Statistical Survey of Transition States and Conformational Substates of the Sperm Whale Myoglobin−CO Reaction System Chong Zheng, Vladimir Makarov, and Peter G. Wolynes pp 2818–2824 DOI: 10.1021/ja9523092

Staurosporine and ent-Staurosporine:  The First Total Syntheses, Prospects for a Regioselective Approach, and Activity Profiles1 J. T. Link, Subharekha Raghavan, Michel Gallant, Samuel J. Danishefsky, T. C. Chou, and Lawrence M. Ballas pp 2825–2842 DOI: 10.1021/ja952907g Supporting Info

Total Synthesis of Baccatin III and Taxol Samuel J. Danishefsky, John J. Masters, Wendy B. Young, J. T. Link, Lawrence B. Snyder, Thomas V. Magee, David K. Jung, Richard C. A. Isaacs, William G. Bornmann, Cheryl A. Alaimo, Craig A. Coburn, and Martin J. Di Grandi pp 2843–2859 DOI: 10.1021/ja952692a

Intramolecular 4 + 3 Cycloadditions. Cycloaddition Reactions of Cyclic Alkoxyallylic and Oxyallylic Cations Michael Harmata, Saleh Elomari, and Charles L. Barnes pp 2860–2871 DOI: 10.1021/ja952740r Supporting Info

Reactivity of Radical Cations. Effect of Radical Cation and Alkene Structure on the Absolute Rate Constants of Radical Cation Mediated Cycloaddition Reactions1 Norman P. Schepp and Linda J. Johnston pp 2872–2881 DOI: 10.1021/ja9535468

Photoinduced Electron Transfer, Decarboxylation, and Radical Fragmentation of Cysteine Derivatives:  A Chemically Induced Dynamic Nuclear Polarization Study Martin Goez, Jaroslaw Rozwadowski, and Bronislaw Marciniak pp 2882–2891 DOI: 10.1021/ja9536678

Radiative Depopulation of the Excited Intramolecular Charge-Transfer State of 9-(4-(N,N-Dimethylamino)phenyl)phenanthrene A. Onkelinx, F. C. De Schryver, L. Viaene, M. Van der Auweraer, K. Iwai, M. Yamamoto, M. Ichikawa, H. Masuhara, M. Maus, and W. Rettig pp 2892–2902 DOI: 10.1021/ja953697a

How Aromatic Are the Benzene Rings in Biphenylene? The Synthesis and NMR Properties of a Biphenyleno Fused Dihydropyrene Reginald H. Mitchell and Vivekanantan S. Iyer pp 2903–2906 DOI: 10.1021/ja953730t

Bond Fixation in a [14]Annulene:  Synthesis, Characterization, and ab Initio Computations of Furan Adducts of Dimethyldihydropyrene Reginald H. Mitchell, Yongsheng Chen, Vivekanantan S. Iyer, Danny Y. K. Lau, Kim K. Baldridge, and Jay S. Siegel pp 2907–2911 DOI: 10.1021/ja953795w Supporting Info

Complexes Containing cis-[MoVO2]+ and cis-[MoVO(OH)]2+ Centers Zhiguang Xiao, Robert W. Gable, Anthony G. Wedd, and Charles G. Young pp 2912–2921 DOI: 10.1021/ja952525a Supporting Info

Approaching the Silylium (R3Si+) Ion:  Trends with Hexahalo (Cl, Br, I) Carboranes as Counterions Zuowei Xie, Janet Manning, Robert W. Reed, Rajeev Mathur, Peter D. W. Boyd, Alan Benesi, and Christopher A. Reed pp 2922–2928 DOI: 10.1021/ja953211q Supporting Info

Direct Resonance Raman Evidence for a Trans Influence on the Ferryl Fragment in Models of Compound I Intermediates of Heme Enzymes Kazimierz Czarnecki, Shay Nimri, Zeev Gross, Leonard M. Proniewicz, and James R. Kincaid pp 2929–2935 DOI: 10.1021/ja952177c

Chemistry of Ti(OiPr)Cl3 with Chloride and Oxygen-Containing Ligands:  The Roles of Alkoxide and Solvents in the Six-Coordinate Titanium Complexes Han-Mou Gau, Chung-Shin Lee, Chu-Chieh Lin, Ming-Ke Jiang, Yuh-Chou Ho, and Chun-Nan Kuo pp 2936–2941 DOI: 10.1021/ja952730q Supporting Info

Ethylene Hydrogenation on Pt(111) Monitored in Situ at High Pressures Using Sum Frequency Generation Paul S. Cremer, Xingcai Su, Y. R. Shen, and Gabor A. Somorjai pp 2942–2949 DOI: 10.1021/ja952800t

Understanding the Relationship between Surface Coverage and Molecular Orientation in Polar Self-Assembled Monolayers C. Thomas Buscher, Duncan McBranch, and DeQuan Li pp 2950–2953 DOI: 10.1021/ja9528590

Room Temperature Binding of CO to Cobaltous Porphyrin π Cation Radical:  Spectroscopic Characterization of Mono and Bis CO Complexes with Cobaltic Porphyrin Einhard Schmidt, Hong Zhang, Chi K. Chang, Gerald T. Babcock, and W. Anthony Oertling pp 2954–2961 DOI: 10.1021/ja950744q

Ion and Radical Rearrangements as a Probe of the Mechanism of a Surface Reaction:  The Desulfurization of Cyclopropylmethanethiol and 3-Butene-1-thiol on Mo(110) B. C Wiegand, M. E. Napier, C. M. Friend, and P. Uvdal pp 2962–2968 DOI: 10.1021/ja951966r

Electrosynthesis and Characterization of Symmetrical and Unsymmetrical Linear Porphyrin Dimers and Their Precursor Monomers A. Giraudeau, L. Ruhlmann, L. El Kahef, and M. Gross pp 2969–2979 DOI: 10.1021/ja9523956 Supporting Info

Transient Photoconductivity of Acceptor-Substituted Poly(3-butylthiophene) Y. Greenwald, G. Cohen, J. Poplawski, E. Ehrenfreund, S. Speiser, and D. Davidov pp 2980–2984 DOI: 10.1021/ja953762g

Multiphasic Nanostructured Composite:  Multi-Dye Tunable Solid State Laser Gary Ruland, Raz Gvishi, and Paras N. Prasad pp 2985–2991 DOI: 10.1021/ja952926q

Nature of the Potential Energy Surfaces for the SN1 Reaction:  A Picosecond Kinetic Study of Homolysis and Heterolysis for Diphenylmethyl Chlorides Matthew Lipson, Ashok A. Deniz, and Kevin S. Peters pp 2992–2997 DOI: 10.1021/ja9537991

Molecular Dynamics Potential of Mean Force Calculations:  A Study of the Toluene−Ammonium π-Cation Interactions Christophe Chipot, Bernard Maigret, David A. Pearlman, and Peter A. Kollman pp 2998–3005 DOI: 10.1021/ja950302e

Intramolecular H Atom Transfer Reactions in Alkyl Radicals and the Ring Strain Energy in the Transition Structure B. Viskolcz, G. Lendvay, T. Körtvélyesi, and L. Seres pp 3006–3009 DOI: 10.1021/ja951393i Supporting Info

Spontaneous DNA Mutations Induced by Proton Transfer in the Guanine·Cytosine Base Pairs:  An Energetic Perspective Jan Florián and Jerzy Leszczyński pp 3010–3017 DOI: 10.1021/ja951983g

The Structure of Hexamethyltungsten, W(CH3)6:  Distorted Trigonal Prismatic with C3 Symmetry Martin Kaupp pp 3018–3024 DOI: 10.1021/ja952231p Supporting Info

Preparation of Desymmetrized Meso Derivatives by Kinetic Resolution of meso/dl Stereoisomeric Mixtures Dale E. Ward, Yadong Liu, and David How pp 3025–3026 DOI: 10.1021/ja953576a Supporting Info

Host-Catalyzed Isoxazole Ring Opening:  A Rationally Designed Artificial Enzyme Alan J. Kennan and H. W. Whitlock pp 3027–3028 DOI: 10.1021/ja953887l

Theoretical and Experimental Evidence for SN2 Transition States in Oxidative Addition of Methyl Iodide to cis-[M(CO)2I2]- (M = Rh, Ir) Tim R. Griffin, David B. Cook, Anthony Haynes, Jean M. Pearson, Donato Monti, and George E. Morris pp 3029–3030 DOI: 10.1021/ja952952o Supporting Info

Direct Spectroscopic Evidence of Photosensitized O2 765 nm (1Σ+g → 3Σ-g) and O2 Dimol 634 and 703 nm ((1Δg)2 → (3Σ-g)2) Vibronic Emission in Solution Pi-Tai Chou, Guor-Tzo Wei, Chih-Hung Lin, Ching-Yen Wei, and Chie-Hung Chang pp 3031–3032 DOI: 10.1021/ja952352p

Enzymatic Formation and Release of a Stable Glycal Intermediate:  The Mechanism of the Reaction Catalyzed by UDP-N-Acetylglucosamine 2-Epimerase Rafael F. Sala, Paul M. Morgan, and Martin E. Tanner pp 3033–3034 DOI: 10.1021/ja960266z

Anchimeric Assistance in Hydrogen Atom Transfer Reactions on the Side Chains of Amino Acid Derivatives Christopher J. Easton and Martin C. Merrett pp 3035–3036 DOI: 10.1021/ja953021f

From Furan to Nucleosides Barry M. Trost and Zhongping Shi pp 3037–3038 DOI: 10.1021/ja9537336 Supporting Info

Na2Zn3(CO3)4·3H2O, a Microporous Sodium Zincocarbonate with a Diamond-Type Tetrahedral-Triangular Topology Thurman E. Gier, Xianhui Bu, Sue-Lein Wang, and Galen D. Stucky pp 3039–3040 DOI: 10.1021/ja950911m Supporting Info

C70 Thin Film Transistors R. C. Haddon pp 3041–3042 DOI: 10.1021/ja953881w

Electron Transfer between Electrodes and Heme Proteins in Protein−DNA Films Alaa-Eldin F. Nassar and James F. RuslingNaotoshi Nakashima pp 3043–3044 DOI: 10.1021/ja960065v

An X-Ray Photoelectron Spectroscopic and Chemical Reactivity Study of Routes to Functionalization of Etched InP Surfaces Marcel Sturzenegger and Nathan S. Lewis pp 3045–3046 DOI: 10.1021/ja953691l

10,10‘-(m- and p-Phenylene)diphenothiazine Dications:  Violation of a Topology Rule in Heterocyclic High-Spin π-Systems Keiji Okada, Takaaki Imakura, Masaji Oda, and Hisao MuraiMartin Baumgarten pp 3047–3048 DOI: 10.1021/ja9539352

A New Powerful and Practical BLA Catalyst for Highly Enantioselective Diels−Alder Reaction:  An Extreme Acceleration of Reaction Rate by Brønsted Acid Kazuaki Ishihara, Hideki Kurihara, and Hisashi Yamamoto* pp 3049–3050 DOI: 10.1021/ja954060u Supporting Info

The First l-Iduronic Acid-Type 1-N-Iminosugars Having Inhibitory Activity of Experimental Metastasis Yoshio Nishimura, Takahiko Satoh, Hayamitsu Adachi, Shinichi Kondo, Tomio Takeuchi, Masayuki Azetaka, Harumi Fukuyasu, and Yumiko Iizuka pp 3051–3052 DOI: 10.1021/ja953989b Supporting Info

Design and Evaluation of a Peptidyl Fluorescent Chemosensor for Divalent Zinc Grant K. Walkup and Barbara Imperiali pp 3053–3054 DOI: 10.1021/ja9538501 Supporting Info

Activation Method to Prepare a Highly Reactive Acylsulfonamide “Safety-Catch” Linker for Solid-Phase Synthesis1 Bradley J. Backes, Alex A. Virgilio, and Jonathan A. Ellman pp 3055–3056 DOI: 10.1021/ja9535165 Supporting Info

Photoinduced Charge Separation Promoted by Ring Opening of a Piperazine Radical Cation Lucian A. Lucia, David G. Whitten, and Kirk S. Schanze pp 3057–3058 DOI: 10.1021/ja953865z Supporting Info

Total Synthesis of Swinholide A K. C. Nicolaou, K. Ajito, A. P. Patron, H. Khatuya, P. K. Richter, and P. Bertinato pp 3059–3060 DOI: 10.1021/ja954211t Supporting Info

New Synthesis of (E)-Allylsilanes with High Enantiopurity via Diastereoselective Intramolecular Bis-Silylation of Chiral Allylic Alcohols Michinori Suginome, Akira Matsumoto, and Yoshihiko Ito pp 3061–3062 DOI: 10.1021/ja954251x Supporting Info

Participation of Organotin Lewis Acids in Radical Reactions:  Manipulation of Rotamer Population in N-Enoyloxazolidinones Mukund P. Sibi and Jianguo Ji pp 3063–3064 DOI: 10.1021/ja951780s Supporting Info

2‘-Deoxy-3-isoadenosine Forms Hoogsteen-Type Base Pairs with Thymidine in the d(CG[iA]TCG)2 Duplex1 Balkrishen Bhat, Neelima, Nelson J. Leonard, Howard Robinson, and Andrew H.-J. Wang pp 3065–3066 DOI: 10.1021/ja954178a Supporting Info

Inhibition of Ricin by an RNA Stem−Loop Containing a Ribo−Oxocarbenium Mimic Xiang-Yang Chen, Todd M. Link, and Vern L. Schramm pp 3067–3068 DOI: 10.1021/ja9600385

Electrostatic Catalysis of the Claisen Rearrangement:  Probing the Role of Glu78 in Bacillus subtilis Chorismate Mutase by Genetic Selection Peter Kast, Jeffrey D. Hartgerink, M. Asif-Ullah, and Donald Hilvert pp 3069–3070 DOI: 10.1021/ja953701i

Characterization and Chemical Modification of the Silica Surface By E. F. Vansant, P. Van Der Voort, and K. C. Vrancken (University of Antwerp, Belgium). Elsevier:  The Netherlands. 1995. xv + 556. $241.25. ISBN 0-444-81928-2. Donald E. Leyden p 3071 DOI: 10.1021/ja955247o

Participation of Two Carboxyl Groups in Phosphodiester Hydrolysis. 1. Hydrolysis of Bis(2-carboxyphenyl) Phosphate J. Am. Chem. Soc. 1995, 117, 12064−12069 Thomas C. Bruice, Andrei Blaskó, and Mark E. Petyak p 3071 DOI: 10.1021/ja9654037

Petroleum Products:  Instability and Incompatibility By George W. Mushrush (George Mason University) and James G. Speight (Western Research Institute). Taylor & Francis:  Bristol, PA. 1995. x + 390 pp. $69.95. ISBN 1-56032-297-7. Bruce Beaver pp 3071–3072 DOI: 10.1021/ja955318j

Structure and Chemistry of the Apatites and Other Calcium Orthophosphates By J. C. Elliot (The London Hospital Medical College). Elsevier:  Amsterdam. 1994. xii + 389 pp. ISBN 0-444-81582-1. John M. Hughes p 3072 DOI: 10.1021/ja945007t

Environmental Chemistry of the Heavy Elements:  Hydrido and Organo Compounds By John S. Thayer (University of Cincinnati). VCH Publishers Inc.:  New York. 1995. xi + 145 pp. $65.00. ISBN 1-56081-540-X. W. R. Cullen p 3072 DOI: 10.1021/ja955306y

Issue 13

Economy in Protein Design:  Evolution of a Metal-Independent ββα Motif Based on the Zinc Finger Domains Mary D. Struthers, Richard P. Cheng, and Barbara Imperiali pp 3073–3081 DOI: 10.1021/ja954014u

Mechanism of Stabilization of Helical Conformations of Polypeptides by Water Containing Trifluoroethanol Arthur Cammers-Goodwin, Thomas J. Allen, Sherri L. Oslick, Kim F. McClure, Janette H. Lee, and D. S. Kemp pp 3082–3090 DOI: 10.1021/ja952900z

Novel Properties of Cooperative Dinuclear Zinc(II) Ions:  The Selective Recognition of Phosphomonoesters and Their P−O Ester Bond Cleavage by a New Dinuclear Zinc(II) Cryptate Tohru Koike, Masaki Inoue, Eiichi Kimura, and Motoo Shiro pp 3091–3099 DOI: 10.1021/ja953413m Supporting Info

Diastereoselective Photochromism of an (R)-Binaphthol-Condensed Indolylfulgide Yasushi Yokoyama, Soichi Uchida, Yayoi Yokoyama, Yoko Sugawara, and Yukio Kurita pp 3100–3107 DOI: 10.1021/ja9523045 Supporting Info

The Nature and Geometry of Intermolecular Interactions between Halogens and Oxygen or Nitrogen Jos P. M. Lommerse, Anthony J. Stone, Robin Taylor, and Frank H. Allen pp 3108–3116 DOI: 10.1021/ja953281x

Construction of Three-Dimensional Supramolecular Coordination Copper(I) Compounds with Channel Structures Hosting a Variety of Anions by Changing the Hydrogen-Bonding Mode and Distances Megumu Munakata, Liang Ping Wu, Mikiko Yamamoto, Takayoshi Kuroda-Sowa, and Masahiko Maekawa pp 3117–3124 DOI: 10.1021/ja953424f Supporting Info

Insensitivity of the Rate of Decomposition of Peroxynitrite to Changes in Viscosity; Evidence against Free Radical Formation William A. Pryor, Xia Jin, and Giuseppe L. Squadrito pp 3125–3128 DOI: 10.1021/ja9529955

Determination of the pKa of Ethyl Acetate:  Brønsted Correlation for Deprotonation of a Simple Oxygen Ester in Aqueous Solution Tina L. Amyes and John P. Richard pp 3129–3141 DOI: 10.1021/ja953664v

o-Bromo-p-methoxyphenyl Ethers. Protecting/Radical Translocating (PRT) Groups That Generate Radicals from C−H Bonds β to Oxygen Atoms Dennis P. Curran and Jinyou Xu pp 3142–3147 DOI: 10.1021/ja954150z Supporting Info

Synthesis of 2-Acetamido-2-deoxy-β-d-glucopyranose O-Glycopeptides from N-Dithiasuccinoyl-Protected Derivatives1-3 Knud J. Jensen, Paul R. Hansen, D. Venugopal, and George Barany pp 3148–3155 DOI: 10.1021/ja953529i Supporting Info

β Effect of Phosphorus Functionalities Joseph B. Lambert and Yan Zhao pp 3156–3167 DOI: 10.1021/ja9537181 Supporting Info

Multiple Morphologies and Characteristics of “Crew-Cut” Micelle-like Aggregates of Polystyrene-b-poly(acrylic acid) Diblock Copolymers in Aqueous Solutions Lifeng Zhang and Adi Eisenberg pp 3168–3181 DOI: 10.1021/ja953709s

Development of a Method for the Reductive Cyclization of Enones by a Titanium Catalyst Natasha M. Kablaoui and Stephen L. Buchwald pp 3182–3191 DOI: 10.1021/ja954192n

Molecular Recognition of a Monoclonal Antibody (AC1106) Cross-Reactive for Derivatives of Ru(bpy)32+ and Ru(phen)32+ Kevin Shreder, Anthony Harriman, and Brent L. Iverson pp 3192–3201 DOI: 10.1021/ja952014o Supporting Info

Chemical and Spectroscopic Definition of the Peroxide-Level Intermediate in the Multicopper Oxidases:  Relevance to the Catalytic Mechanism of Dioxygen Reduction to Water Woonsup Shin, Uma M. Sundaram, James L. Cole, Hua H. Zhang, Britt Hedman, Keith O. Hodgson, and Edward I. Solomon pp 3202–3215 DOI: 10.1021/ja953621e Supporting Info

Structural Characterization of Five Sterically Protected Porphyrins Carla Slebodnick, James C. Fettinger, Heidi B. Peterson, and James A. Ibers pp 3216–3224 DOI: 10.1021/ja953684x Supporting Info

Spectroscopic, Structural, and Mass Spectrometric Studies on Two Systematic Series of Dithiabismuth(III) Heterocycles:  Identification of Bismuthenium Cations and Their Solvent Complexes Lisa Agocs, Neil Burford, T. Stanley Cameron, Jonathan M. Curtis, John F. Richardson, Katherine N. Robertson, and G. Bradley Yhard pp 3225–3232 DOI: 10.1021/ja9539756 Supporting Info

Atomistic Structure for Self-Assembled Monolayers of Alkanethiols on Au(111) Surfaces James J. Gerdy and William A. Goodard, III pp 3233–3236 DOI: 10.1021/ja951784x

Structural Fluctuations of a Cryptophane Host:  A Molecular Dynamics Simulation P. D. Kirchhoff, M. B. Bass, B. A. Hanks, J. M. Briggs, Andre Collet, and J. A. McCammon pp 3237–3246 DOI: 10.1021/ja953772h

Deuterium NMR Kinetic Measurements of Solvent Effects on the Bimolecular Electron Transfer Self-Exchange Rates of Ruthenium Ammine Complexes. A Dominant Role for Solvent−Solute Hydrogen Bonding Wenlin Mao, Zheng Qian, Hung-Ju Yen, and Jeff C. Curtis pp 3247–3252 DOI: 10.1021/ja952540f

Minimizing the Water Resonance in Biological NMR:  Characterization and Suppression of Intermolecular Dipolar Interactions by Multiple-Axis Gradients Debra L. Mattiello, Warren S. Warren, Luciano Mueller, and Bennett T. Farmer II pp 3253–3261 DOI: 10.1021/ja953186o Supporting Info

Relationship between Differential Heats of Adsorption and Brønsted Acid Strengths of Acidic Zeolites:  H-ZSM-5 and H-Mordenite C. Lee, D. J. Parrillo, R. J. Gorte, and W. E. Farneth pp 3262–3268 DOI: 10.1021/ja953452y

Probing the [CoC2H6]+ Potential Energy Surface:  A Detailed Guided-Ion Beam Study Chris L. Haynes, Ellen R. Fisher, and P. B. Armentrout pp 3269–3280 DOI: 10.1021/ja953769y

A “Magnetochemical” Series. Ligand Field Strengths of Weakly Binding Anions Deduced from S = 3/2, 5/2 Spin State Mixing in Iron(III) Porphyrins Christopher A. Reed and Frédéric Guiset pp 3281–3282 DOI: 10.1021/ja954263i

Quantum Chemical Approach to the Assignment of Iron−Catecholate Vibrations and Isotopic Substitution Shifts Lars Öhrström and Isabelle Michaud-Soret pp 3283–3284 DOI: 10.1021/ja953409a Supporting Info

Rings-and-String Approach to the Construction of Porphyrin Arrays by Transition-Metal-Directed Threading David B. Amabilino, Christiane O. Dietrich-Buchecker, and Jean-Pierre Sauvage pp 3285–3286 DOI: 10.1021/ja953830z Supporting Info

Remarkable Photoreversal of a Thio Analog of the Dewar Valence Isomer of the (6−4) Photoproduct of DNA to the Parent Nucleotides Jianquan Liu and John-Stephen Taylor pp 3287–3288 DOI: 10.1021/ja952450a Supporting Info

Generation of Oxo−Carbide Clusters from Direct Scission of a Coordinated Carbonyl Ligand:  Molecular Structures of Cp2W2Ru3(CO)13 and Cp*W(O)Cp*WRu3(μ5-C)(CO)11 Chi-Jung Su, Pei-Chiun Su, Yun Chi, Shie-Ming Peng, and Gene-Hsiang Lee pp 3289–3290 DOI: 10.1021/ja9536476 Supporting Info

Photochemical Cycloaromatization Reactions of ortho-Dialkynylarenes:  A New Class of DNA Photocleaving Agents Raymond L. Funk, Erick R. R. Young, Robert M. Williams, Mark F. Flanagan, and Tricia L. Cecil pp 3291–3292 DOI: 10.1021/ja9521482 Supporting Info

Differentiation of Diastereomeric Nickel(II) N-Glycoside Complexes Using Tandem Mass Spectrometry and Kinetic Energy Release Measurements Glenn Smith and Julie A. Leary pp 3293–3294 DOI: 10.1021/ja952915x

Preparation of Biscarboxylato Imido Alkylidene Complexes of Molybdenum and Cyclopolymerization of Diethyldipropargylmalonate To Give a Polyene Containing only Six-Membered Rings Florian J. Schattenmann, Richard R. Schrock, and William M. Davis pp 3295–3296 DOI: 10.1021/ja9541600 Supporting Info

Does Rose Bengal Triplet Generate Superoxide Anion? Christopher R. Lambert and Irene E. Kochevar pp 3297–3298 DOI: 10.1021/ja9600800

Vinylogous Mannich Reactions. The Asymmetric Total Synthesis of (+)-Croomine Stephen F. Martin and Kenneth J. Barr pp 3299–3300 DOI: 10.1021/ja9542146 Supporting Info

Total Synthesis of (−)-Virginiamycin M2 Using Second-Generation Vinylogous Urethane Chemistry R. H. Schlessinger and Yu-Jang Li pp 3301–3302 DOI: 10.1021/ja954311z Supporting Info

Total Synthesis of Streptogramin Antibiotics. (−)-Madumycin II Francis Tavares, Jon P. Lawson, and A. I. Meyers pp 3303–3304 DOI: 10.1021/ja954312r Supporting Info

Reversible Photochromism of a Crystalline Dithienylethene Copper(I) Polymer Megumu Munakata, Liang Ping Wu, Takayoshi Kuroda-Sowa, Masahiko Maekawa, Yusaku Suenaga, and Koji Furuichi pp 3305–3306 DOI: 10.1021/ja954266v Supporting Info

Kinetic Evidence for Duplicity in Ion Transport Gang Deng, Manette Merritt, Keiji Yamashita, Vaclav Janout, Andrzej Sadownik, and Steven L. Regen pp 3307–3308 DOI: 10.1021/ja9526877 Supporting Info

An Enantioselective Two-Component Catalyst System:  Rh−Pd-Catalyzed Allylic Alkylation of Activated Nitriles Masaya Sawamura, Masaki Sudoh, and Yoshihiko Ito pp 3309–3310 DOI: 10.1021/ja954223e Supporting Info

A Novel Intermediate in Allylic Amination Catalyzed by Iron Salts Radhey S. Srivastava, Masood A. Khan, and Kenneth M. Nicholas pp 3311–3312 DOI: 10.1021/ja960088+ Supporting Info

Dodecamethylcarba-closo-dodecaborate(−) Anion, CB11Me12- Benjamin T. King, Zbyněk Janoušek, Bohumír Grüner, Matthew Trammell, Bruce C. Noll, and Josef Michl pp 3313–3314 DOI: 10.1021/ja9541443 Supporting Info

Hypothetical Three-Dimensional Metallic Compounds of C60 with Transition Metal Clusters Norman Goldberg and Roald Hoffmann pp 3315–3316 DOI: 10.1021/ja953866r

[1,2]-Wittig Rearrangement of Acetal Systems: A Highly Stereocontrolled Conversion of O-Glycosides to C-Glycosides Katsuhiko Tomooka, Hiroshi Yamamoto, and Takeshi Nakai pp 3317–3318 DOI: 10.1021/ja953933h Supporting Info

Self-Assembly of Conjugated Molecular Rods:  A High-Resolution STM Study Al-Amin Dhirani, Robert W. Zehner, Richard P. Hsung, Philippe Guyot-Sionnest, and Lawrence R. Sita pp 3319–3320 DOI: 10.1021/ja953782i Supporting Info

Visualization of Single-Chain Conformations of a Synthetic Polymer with Atomic Force Microscopy Jiro Kumaki, Yukihiro Nishikawa, and Takeji Hashimoto pp 3321–3322 DOI: 10.1021/ja9538593

Structure Determination, Conformational Analysis, Chemical Stability Studies, and Antitumor Evaluation of the Cryptophycins. Isolation of 18 New Analogs from Nostoc sp. Strain GSV 224 J. Am. Chem. Soc. 1995, 117, 12030−12049 Trimurtulu Golakoti, Junichi Ogino, Carl E. Heltzel, Trang Le Husebo, Craig M. Jensen, Linda K. Larsen, Gregory M. L. Patterson, Richard E. Moore, Susan L. Mooberry, Thomas H. Corbett, and Frederick A. Valeriote p 3323 DOI: 10.1021/ja965401m

Handbook of Laboratory Health and Safety, 2nd ed By R. Scott Stricoff (Arthur D. Little, Inc.) and Douglas B. Walters (National Institute of Environmental Health Sciences), John Wiley:  New York. 1995. xvii + 462 pp. $69.95. ISBN 0-471-02628-X. Daniel A. Crowl pp 3323–3324 DOI: 10.1021/ja955258h

Monte Carlo Modeling for Electron Microscopy and Microanalysis By David C. Joy. Oxford University Press:  New York. 1995. viii + 216 pp. $59.95. ISBN 0-19-5088674-3. W. Henry Weinberg p 3324 DOI: 10.1021/ja955340c

Active Oxygen in Chemistry. SEARCH Series, Volume 2 Edited by Christopher S. Foote (UCLA), Joan Silverstone Valentine (UCLA), Arthur Greenberg (University of North Carolina), and Joel F. Liebman (University of Maryland). Blackie Academic:  London. 1995. xiv + 342 pp. ISBN 0-7514-0371-7. Pradip K. Mascharak p 3324 DOI: 10.1021/ja955347u

Issue 14

DNA-Mediated Acid Catalysis:  Calculations of the Rates of DNA-Catalyzed Hydrolyses of Diol Epoxides1 Gene Lamm, Linda Wong, and George R. Pack pp 3325–3331 DOI: 10.1021/ja953724x

Kinetic and Mechanistic Analysis of Nonenzymatic, Template-Directed Oligoribonucleotide Ligation Rajat Rohatgi, David P. Bartel, and Jack W. Szostak pp 3332–3339 DOI: 10.1021/ja953712b

Nonenzymatic, Template-Directed Ligation of Oligoribonucleotides Is Highly Regioselective for the Formation of 3‘−5‘ Phosphodiester Bonds Rajat Rohatgi, David P. Bartel, and Jack W. Szostak pp 3340–3344 DOI: 10.1021/ja9537134

Conformation and Dynamics of Membrane-Bound Digalactosyldiacylglycerol Kathleen P. Howard and James H. Prestegard pp 3345–3353 DOI: 10.1021/ja952971y

Infrared Spectra of Carbonyl Horseradish Peroxidase and Its Substrate Complexes:  Characterization of pH-Dependent Conformers Inès E. Holzbaur, Ann M. English, and Ashraf A. Ismail pp 3354–3359 DOI: 10.1021/ja953715o

The Mechanistic Dissection of the Plunge in Enzymatic Activity upon Transition from Water to Anhydrous Solvents Jennifer L. Schmitke, Charles R. Wescott, and Alexander M. Klibanov pp 3360–3365 DOI: 10.1021/ja9539958

Prediction of the Solvent Dependence of Enzymatic Prochiral Selectivity by Means of Structure-Based Thermodynamic Calculations Tao Ke, Charles R. Wescott, and Alexander M. Klibanov pp 3366–3374 DOI: 10.1021/ja952674t

Substrate-Based Cyclic Peptidomimetics of Phe-Ile-Val That Inhibit HIV-1 Protease Using a Novel Enzyme-Binding Mode Darren R. March, Giovanni Abbenante, Douglas A. Bergman, Ross I. Brinkworth, Wasantha Wickramasinghe, Jake Begun, Jennifer L. Martin, and David P. Fairlie pp 3375–3379 DOI: 10.1021/ja953790z

DNA Cleavage by the Antitumor Agent 3-Amino-1,2,4-benzotriazine 1,4-Dioxide (SR4233):  Evidence for Involvement of Hydroxyl Radical J. Scott Daniels and Kent S. Gates pp 3380–3385 DOI: 10.1021/ja9510774

Flash Photolysis of 2,2,6-Trimethyl-4H-1,3-dioxin-4-one in Aqueous Solution:  Hydration of Acetylketene and Ketonization of Acetoacetic Acid Enol Y. Chiang, H.-X. Guo, A. J. Kresge, and O. S. Tee pp 3386–3391 DOI: 10.1021/ja9540435 Supporting Info

Synthesis, Resolution, and Determination of Absolute Configuration of a Vaulted 2,2‘-Binaphthol and a Vaulted 3,3‘-Biphenanthrol (VAPOL) Jianming Bao, William D. Wulff, James B. Dominy, Michael J. Fumo, Eugene B. Grant, Alexander C. Rob, Mark C. Whitcomb, Siu-Man Yeung, Robert L. Ostrander, and Arnold L. Rheingold pp 3392–3405 DOI: 10.1021/ja952018t Supporting Info

Hypervalent Iodine Chemistry:  New Oxidation Reactions Using the Iodosylbenzene−Trimethylsilyl Azide Reagent Combination. Direct α- and β-Azido Functionalization of Triisopropylsilyl Enol Ethers Philip Magnus, Jérôme Lacour, P. Andrew Evans, Michael B. Roe, and Christopher Hulme pp 3406–3418 DOI: 10.1021/ja953906r Supporting Info

Mechanism of the Nitrosation of Thiols and Amines by Oxygenated •NO Solutions:  the Nature of the Nitrosating Intermediates Sara Goldstein and Gidon Czapski pp 3419–3425 DOI: 10.1021/ja9536680

Endocyclic Restriction Test:  Applications to Transfers of Oxygen from Nitrogen and from Sulfur to Phosphorus(III) Mitchell L. Kurtzweil and Peter Beak pp 3426–3434 DOI: 10.1021/ja9527986 Supporting Info

Lateral Heterogeneity in Fluid Bilayers Composed of Saturated and Unsaturated Phospholipids Takehisa Dewa, Stephen J. Vigmond, and Steven L. Regen pp 3435–3440 DOI: 10.1021/ja953905z

Crystal Structures of the Salts of Chiral Primary Amines with Achiral Carboxylic Acids:  Recognition of the Commonly-Occurring Supramolecular Assemblies of Hydrogen-Bond Networks and Their Role in the Formation of Conglomerates Kazushi Kinbara, Yukihiko Hashimoto, Makoto Sukegawa, Hiroyuki Nohira, and Kazuhiko Saigo pp 3441–3449 DOI: 10.1021/ja9539960 Supporting Info

Mixed-Valence States of [Fe3O(CH2XCO2)6(H2O)3]·nH2O (X = H, Cl, and Br) Characterized by X-ray Crystallography and 57Fe-Mössbauer Spectroscopy Takuma Sato, Fumitoshi Ambe, Kazutoyo Endo, Motomi Katada, Haruka Maeda, Tadahiro Nakamoto, and Hirotoshi Sano pp 3450–3458 DOI: 10.1021/ja953038y Supporting Info

Molecular and Polymer Precursor Routes to Manganese-Doped Zinc Orthosilicate Phosphors Kai Su, T. Don Tilley, and Michael J. Sailor pp 3459–3468 DOI: 10.1021/ja9537639 Supporting Info

Functional Models for Vanadium Haloperoxidase:  Reactivity and Mechanism of Halide Oxidation Gerard J. Colpas, Brent J. Hamstra, Jeff W. Kampf, and Vincent L. Pecoraro pp 3469–3478 DOI: 10.1021/ja953791r Supporting Info

Origin of Stereochemistry in the α-Amino Acid Esters and Amides Generated from Optically Active Zirconaaziridine Complexes1 Daniel A. Gately and Jack R. Norton pp 3479–3489 DOI: 10.1021/ja953893h

Control of Myoglobin Electron-Transfer Rates by the Distal (Nonbound) Histidine Residue Bruce R. Van Dyke, Paul Saltman, and Fraser A. Armstrong pp 3490–3492 DOI: 10.1021/ja954181u

Cation Distribution in Mixed Alkali Disilicate Glasses P. Florian, K. E. Vermillion, P. J. Grandinetti, I. Farnan, and J. F. Stebbins pp 3493–3497 DOI: 10.1021/ja953918c

Raman Linear Intensity Difference of Flow-Oriented Macromolecules:  Orientation of the Indole Ring of Tryptophan-26 in Filamentous Virus fd Hideo Takeuchi, Motonori Matsuno, Stacy A. Overman, and George J. Thomas, Jr. pp 3498–3507 DOI: 10.1021/ja953923g

Solvent-Controlled Excited State Behavior:  2-(2‘-Pyridyl)indoles in Alcohols Jerzy Herbich, Chi-Ying Hung, Randolph P. Thummel, and Jacek Waluk pp 3508–3518 DOI: 10.1021/ja952797d

Exploring the Boundary between Aromatic and Olefinic Character:  Bad News for Second-Order Perturbation Theory and Density Functional Schemes Horst M. Sulzbach and Henry F. Schaefer, IIIWim Klopper and Hans Peter Lüthi pp 3519–3520 DOI: 10.1021/ja9538400

Measurement of the Binding Energy for Di-σ C2H4/Pt{111}:  Does a Radical Intermediate Form During Thermal Desorption? Gregory Szulczewski and Robert J. Levis pp 3521–3522 DOI: 10.1021/ja9434588

Self-Assembled Monolayers of Carceplexes on Gold Bart-Hendrik Huisman, Dmitry M. Rudkevich, Frank C. J. M. van Veggel, and David N. Reinhoudt pp 3523–3524 DOI: 10.1021/ja960031n

An ab Initio Study of Proton Transfers from Gas-Phase Dications:  Complications in Kinetic Methods for Determining Acidities Scott Gronert pp 3525–3526 DOI: 10.1021/ja952728z Supporting Info

The Lifetime of Formylcarbene Determined by Transient Absorption and Transient Grating Spectroscopy John P. Toscano and Matthew S. PlatzValerij NikolaevYanni Cao and Matthew B. Zimmt pp 3527–3528 DOI: 10.1021/ja953810x

Solvation of Lithium Hexamethyldisilazide by N,N-Dimethylethylenediamine:  Effects of Chelation on Competitive Solvation and Mixed Aggregation Brett L. Lucht and David B. Collum pp 3529–3530 DOI: 10.1021/ja953517x Supporting Info

Measurement of Cross-Relaxation between Amide Protons in 15N-Enriched Proteins with Suppression of Spin Diffusion Sébastien J. F. Vincent, Catherine Zwahlen, Philip H. Bolton, Timothy M. Logan, and Geoffrey Bodenhausen pp 3531–3532 DOI: 10.1021/ja9542597

Unprecedented Reactions Mediated by Samarium:  An Approach to Nonstabilized Carbonyl Ylides1 Makoto Hojo, Hidenori Aihara, and Akira Hosomi pp 3533–3534 DOI: 10.1021/ja954252p Supporting Info

Mechanism of Adenylate Kinase. 20. Probing the Importance of the Aromaticity in Tyrosine-95 and the Ring Size in Proline-17 with Unnatural Amino Acids Zhong Zhao, Xiaohong Liu, Zhengtao Shi, Lora Danley, Baohua Huang, Ru-Tai Jiang, and Ming-Daw Tsai pp 3535–3536 DOI: 10.1021/ja9600901

Evidence for the Importance of High-Valent FeO and of a Diketone in the Molecular Mechanism of Action of Antimalarial Trioxane Analogs of Artemisinin Gary H. Posner, Sheldon B. Park, Lluïsa González, Dasong Wang, Jared N. Cumming, Donna Klinedinst, Theresa A. Shapiro, and Mario D. Bachi pp 3537–3538 DOI: 10.1021/ja954131p Supporting Info

Enantiomeric Perturbation of Equilibria. Differential Solvation of a Chiral Lithium Amide by the Enantiomers of 2-Methyltetrahydrofuran Measured by NMR Spectroscopy Göran Hilmersson, Per Ahlberg, and Öjvind Davidsson pp 3539–3540 DOI: 10.1021/ja9540740

Selective Detectors Environmental, Industrial, and Biomedical Applications Edited by Robert E. Sievers (University of Colorado, Boulder). Wiley:  New York. 1995. xxi + 261 pp. $59.95. ISBN 0-471-01343-9. Jerome W. O'Laughlin p 3541 DOI: 10.1021/ja9551953

Organic Synthesis Highlights II Edited by Herbert Waldmann (University of Karlsruhe, FGR). VCH:  New York. 1995. x + 420 pp. $95.00. ISBN 3-527-29200-4. D. L. J. Clive p 3541 DOI: 10.1021/ja955308i

Glass Chemistry. 2nd ed By Werner Vogel (Friedrich-Schiller-Universität Jean). Springer-Verlag:  New York, Berlin. 1994. xiv + 464 pp. $98.00. ISBN 0-387-57572-3. Aaron Barkatt pp 3541–3542 DOI: 10.1021/ja955322v

Electroactive Polymer Electrochemistry. Part 1. Fundamentals Edited by Michael E. G. Lyons (University of Dublin). Plenum Press:  New York. 1994. xv + 488 pp. ISBN 0-306-44792-4. Robert D. Allendoerfer pp 3542–3543 DOI: 10.1021/ja955241z

A Guide to the Complete Interpretation of Infrared Spectra of Organic Structures By Noel P. G. Roeges (Katholieke Industriele Hogeschool O-VI). Wiley:  New York. 1994. x + 340 pp. $69.95. ISBN 0-471-93998-6. Alan R. Katritzky p 3543 DOI: 10.1021/ja945091c

Molecular Cryospectroscopy Edited by R. J. H. Clark (University College, London) and R. E. Hester (University of York). Wiley:  New York. 1995. xxvi + 391 pp. $140.00. ISBN 0-471-94280-4. George V. Chertihin and Lester Andrews p 3543 DOI: 10.1021/ja955292w

Femtosecond Chemistry, Volumes 1 and 2 Edited by J. Manz and L. Wooste (Free University, Berlin). VCH:  New York. 1995. xxiv + 916 pp. $235.00. ISBN 3-527-29062-1. John D. Simon pp 3543–3544 DOI: 10.1021/ja955161v

Advances in Electrophoresis. Volume 7 Edited by A. Charmbach, M. J. Dunn, and B. J. Radola (National Institutes of Health). VCH:  New York. 1994. x + 490 pp. $175.00. ISBN 3-527-30049-X. Ziad El Rassi p 3544 DOI: 10.1021/ja955132k

Issue 15

Antioxidant Activities of Vitamin E Analogues in Water and a Kamlet−Taft β-Value for Water1 Luca Valgimigli, K. U. Ingold, and J. Lusztyk pp 3545–3549 DOI: 10.1021/ja954030r

A Nitroxyl Synthase Catalytic Antibody Nicolaus Bahr, Rolf Güller, Jean-Louis Reymond, and Richard A. Lerner pp 3550–3555 DOI: 10.1021/ja9538694

Torsional, Rotor, and Electronic Effects in 4-tert-Butylmethylenecyclohexane Epoxidations and Osmylations E. Vedejs, W. H. Dent, III, J. T. Kendall, and P. A. Oliver pp 3556–3567 DOI: 10.1021/ja953040p Supporting Info

Spin−Orbit Coupling in Biradicals. 1. The 2-Electrons-in-2-Orbitals Model Revisited Josef Michl pp 3568–3579 DOI: 10.1021/ja9538391

Preparation, NMR Spectroscopic, and ab Initio/DFT/GIAO-MP2 Studies of Halomethyl Cations1 George A. Olah, Golam Rasul, Ludger Heiliger, and G. K. Surya Prakash pp 3580–3583 DOI: 10.1021/ja9538905

Total Synthesis of (+)-Lactacystin Tohru Nagamitsu, Toshiaki Sunazuka, Haruo Tanaka, Satoshi Ōmura, Paul A. Sprengeler, and Amos B. Smith, III pp 3584–3590 DOI: 10.1021/ja9541544

Peptidyl Epoxides:  Novel Selective Inactivators of Cysteine Proteases1 Amnon Albeck, Shulamit Fluss, and Rachel Persky pp 3591–3596 DOI: 10.1021/ja954261y Supporting Info

Syntheses and Crystal Structures of Disulfide-Bridged Binuclear Ruthenium Compounds:  The First UV−Vis, Raman, ESR, and XPS Spectroscopic Characterization of a Valence-Averaged Mixed-Valent RuIIISSRuII Core Kazuko Matsumoto, Takaya Matsumoto, Masaki Kawano, Hiroshi Ohnuki, Yushi Shichi, Toshikazu Nishide, and Toshio Sato pp 3597–3609 DOI: 10.1021/ja950391v Supporting Info

Structure and Ferromagnetic Interactions in Open-Shell Supramolecular Assemblies Constructed from Radical Cations and Hexacyanometallate Anions Cécile Michaut, Lahcène Ouahab, Pierre Bergerat, Olivier Kahn, and Azzedine Bousseksou pp 3610–3616 DOI: 10.1021/ja953520g Supporting Info

Stable Mononuclear, 17-Electron Molybdenum(III) Carbonyl Complexes. Synthesis, Structure, Thermal Decomposition, and Cl- Addition Reactions James C. Fettinger, D. Webster Keogh, and Rinaldo Poli pp 3617–3625 DOI: 10.1021/ja9540738 Supporting Info

Influences on the Relative Rates for C−N Bond-Forming Reductive Elimination and β-Hydrogen Elimination of Amides. A Case Study on the Origins of Competing Reduction in the Palladium-Catalyzed Amination of Aryl Halides John F. Hartwig, Steven Richards, David Barañano, and Frédéric Paul pp 3626–3633 DOI: 10.1021/ja954121o Supporting Info

Redox Chemistry Associated with the Complexation of Vanadium(V) and Tungsten(VI) by meso-Octaethylporphyrinogen:  Formation and Cleavage of Cyclopropane Units Functioning as Shuttles of Two Electrons Umberto Piarulli, Euro Solari, Carlo Floriani, Angiola Chiesi-Villa, and Corrado Rizzoli pp 3634–3642 DOI: 10.1021/ja9543309 Supporting Info

Synthetic and Mechanistic Investigations of Trimethylsilyl-Substituted Triamidoamine Complexes of Tantalum That Contain Metal−Ligand Multiple Bonds Joel S. Freundlich, Richard R. Schrock, and William M. Davis pp 3643–3655 DOI: 10.1021/ja953826n Supporting Info

Generation by Electron Transfer of an Emitting State Not Observed by Photoexcitation in a Linked Ru(bpy)32+−Methyl Viologen Xiaohong Xu, Kevin Shreder, Brent L. Iverson, and Allen J. Bard pp 3656–3660 DOI: 10.1021/ja951683z Supporting Info

Dynamics of High-Temperature Membrane Models Composed of 5-Alkoxyisophthalic Acids As Investigated by 2H-NMR Spectroscopy Marcel H. P. van Genderen, Marcus Pfaadt, Claudia Möller, Suresh Valiyaveettil, and Hans W. Spiess pp 3661–3665 DOI: 10.1021/ja953896u

Studies on the Dynamics of Phosphorylated p-tert-Butylcalix[6]arenes by Using 2D NMR Spectroscopy Rob G. Janssen, John P. M. van Duynhoven, Willem Verboom, Gerrit J. van Hummel, Sybolt Harkema, and David N. Reinhoudt pp 3666–3675 DOI: 10.1021/ja9540942 Supporting Info

Nuclear Size and Shape Effects in Chemical Reactions. Isotope Chemistry of the Heavy Elements Jacob Bigeleisen pp 3676–3680 DOI: 10.1021/ja954076k

Reactivities of Metallo−Carbohedrenes:  Evidence That V8C12+ Has Td or D2d Symmetry Y. G. Byun and Ben S. Freiser pp 3681–3686 DOI: 10.1021/ja952787c

Environmental Effects on the Formation of the Primary and Secondary Ozonides of Ethylene at Cryogenic Temperatures U. Samuni, R. Fraenkel, Y. Haas, R. Fajgar, and J. Pola pp 3687–3693 DOI: 10.1021/ja9532852

UV Photoelectron and ab Initio Quantum Mechanical Evaluation of Nucleotide Ionization Potentials in Water−Counterion Environments:  π Polarization Effects on DNA Alkylation by Carcinogenic Methylating Agents Nancy S. Kim and Pierre R. LeBreton pp 3694–3707 DOI: 10.1021/ja953465b

Rate Constants for Reactions between Iodine- and Chlorine-Containing Species:  A Detailed Mechanism of the Chlorine Dioxide/Chlorite-Iodide Reaction István Lengyel, Jing Li, Kenneth Kustin, and Irving R. Epstein pp 3708–3719 DOI: 10.1021/ja953938e

The Anomeric Effect in (Fluoromethyl)dimethylamine, CH2FN(CH3)2 Dines Christen, Hans-Georg Mack, Stephan Rüdiger, and Heinz Oberhammer pp 3720–3723 DOI: 10.1021/ja954019r

Solvent-Induced Electron Transfer and Delocalization in Mixed-Valence Complexes. Electrochemistry Gregory A. Neyhart, Joseph T. Hupp, Jeff C. Curtis, Cliff J. Timpson, and Thomas J. Meyer pp 3724–3729 DOI: 10.1021/ja953566+

Solvent-Induced Electron Transfer and Electronic Delocalization in Mixed-Valence Complexes. Spectral Properties Gregory A. Neyhart, Cliff J. Timpson, W. Douglas Bates, and Thomas J. Meyer pp 3730–3737 DOI: 10.1021/ja9535672 Supporting Info

Contrasting Stabilities of Classical and Bridged Pyramidal Si3H3X Molecules (X = BH-, CH, N, NH+, NO, SiH, P, PH+, and PO) Eluvathingal D. Jemmis and Gantasala Naga Srinivas pp 3738–3742 DOI: 10.1021/ja9533858

Free Energy Computations on the Shift of the Special Pair Redox Potential:  Mutants of the Reaction Center of Rhodobacter sphaeroides J. Apostolakis, I. Muegge, U. Ermler, G. Fritzsch, and E. W. Knapp pp 3743–3752 DOI: 10.1021/ja9535219

H−D Spin−Spin Coupling in Stretched Molecular Hydrogen Complexes of Osmium(II):  Density Functional Studies of JHD George B. Bacskay, Ian Bytheway, and Noel S. Hush pp 3753–3756 DOI: 10.1021/ja953611d

(−)-Sparteine-Mediated α-Lithiation of N-Boc-N-(p-methoxyphenyl)benzylamine:  Enantioselective Syntheses of (S) and (R) Mono- and Disubstituted N-Boc-benzylamines Yong Sun Park, Mark L. Boys, and Peter Beak pp 3757–3758 DOI: 10.1021/ja9538804 Supporting Info

On the Reinterpretation of the Experimental Structure of a Molecular Standard:  Tri-tert-butylmethane by CFF93 Molecular Mechanics and Quantum Mechanics A. T. Hagler, R. Sharon, and M.-J. Hwang pp 3759–3760 DOI: 10.1021/ja9433176 Supporting Info

Axial and Equatorial 1-Methyl-1-cyclohexyl Cation Isomers Both Have Chair Conformations but Differ in C−C and C−H Hyperconjugation Modes A. Rauk and T. S. SorensenC. Maerker, J. W. de M. Carneiro, S. Sieber, and P. v. R. Schleyer pp 3761–3762 DOI: 10.1021/ja9531900 Supporting Info

Formation and Interconversion of End-on and Side-on μ-Peroxo−Dicopper(II) Complexes Bernhard Jung, Kenneth D. Karlin, and Andreas D. Zuberbühler pp 3763–3764 DOI: 10.1021/ja954157g Supporting Info

Concerning in Vitro Mitomycin−DNA Alkylation Ven-Shun Li, Daeock Choi, Moon-shong Tang, and Harold Kohn pp 3765–3766 DOI: 10.1021/ja953367q

Aggregation of Conjugated Helical Molecules Colin Nuckolls, Thomas J. Katz, and Louis Castellanos pp 3767–3768 DOI: 10.1021/ja960145z Supporting Info

Femtosecond IR Studies of Alkane C−H Bond Activation by Organometallic Compounds: Direct Observation of Reactive Intermediates in Room Temperature Solutions T. Lian, S. E. Bromberg, H. Yang, G. Proulx, R. G. Bergman, and C. B. Harris pp 3769–3770 DOI: 10.1021/ja9541591

Morpholino-Linked Ribozymes:  A Convergent Synthetic Approach Laurent Bellon, Christopher Workman, Jon Scherrer, Nassim Usman, and Francine Wincott pp 3771–3772 DOI: 10.1021/ja9602049

Preparation of Hyperbranched Polymer Films Grafted on Self-Assembled Monolayers Yuefen Zhou, Merlin L. Bruening, David E. Bergbreiter, Richard M. Crooks, and Mona Wells pp 3773–3774 DOI: 10.1021/ja960142m Supporting Info

Triple Scission of a Six-Membered Ring on the Surface of C60 via Consecutive Pericyclic Reactions and Oxidative Cobalt Insertion María-José Arce, Argimiro L. Viado, Yi-Zhong An, Saeed I. Khan, and Yves Rubin pp 3775–3776 DOI: 10.1021/ja9601200 Supporting Info

Synthesis of Conjugated Polymers Containing Ionic Transition Metal Complexes Zhonghua Peng and Luping Yu pp 3777–3778 DOI: 10.1021/ja953231s Supporting Info

Zirconium-Catalyzed Kinetic Resolution of Cyclic Allylic Ethers. An Enantioselective Route to Unsaturated Medium Ring Systems Michael S. Visser, Joseph P. A. Harrity, and Amir H. Hoveyda pp 3779–3780 DOI: 10.1021/ja960263m Supporting Info

Toluene Formation from Coadsorbed Methanethiol and Benzenethiol on the Ni(111) Surface Sean M. Kane, Deborah R. Huntley, and John L. Gland pp 3781–3782 DOI: 10.1021/ja953926t

Frontal Polymerization in Solution John A. Pojman, Ginger Curtis, and Victor M. Ilyashenko pp 3783–3784 DOI: 10.1021/ja9600688

Stimuli-Responsive Hybrid Macromolecules:  Novel Amphiphilic Star Copolymers With Dendritic Groups at the Periphery Ivan Gitsov and Jean M. J. Fréchet pp 3785–3786 DOI: 10.1021/ja9542348

The Low Dielectric Interior of Proteins is Sufficient To Cause Major Structural Changes in DNA on Association Adrian H. Elcock and J. Andrew McCammon pp 3787–3788 DOI: 10.1021/ja954061m

Issue 16

Polyacrylamides Bearing Pendant α-Sialoside Groups Strongly Inhibit Agglutination of Erythrocytes by Influenza Virus:  The Strong Inhibition Reflects Enhanced Binding through Cooperative Polyvalent Interactions George B. Sigal, Mathai Mammen, Georg Dahmann, and George M. Whitesides pp 3789–3800 DOI: 10.1021/ja953729u

Lipase-Catalyzed Second-Order Asymmetric Transformations as Resolution and Synthesis Strategies for Chiral 5-(Acyloxy)-2(5H)-furanone and Pyrrolinone Synthons Hanneke van der Deen, Agnes D. Cuiper, Robert P. Hof, Arjan van Oeveren, Ben L. Feringa, and Richard M. Kellogg pp 3801–3803 DOI: 10.1021/ja953812h Supporting Info

Differential Hydration Thermodynamics of Stereoisomeric DNA−Benzo[a]pyrene Adducts Derived from Diol Epoxide Enantiomers with Different Tumorigenic Potentials Luis A. Marky, Dionisios Rentzeperis, Nataly P. Luneva, Monique Cosman, Nicholas E. Geacintov, and Donald W. Kupke pp 3804–3810 DOI: 10.1021/ja9538703

An Antibody-Catalyzed Isomerization Reaction Tetsuo Uno, Jung Ku, James R. Prudent, Anita Huang, and Peter G. Schultz pp 3811–3817 DOI: 10.1021/ja9542449

Glycosamino Acids:  New Building Blocks for Combinatorial Synthesis Jason P. McDevitt and Peter T. Lansbury, Jr. pp 3818–3828 DOI: 10.1021/ja9525622 Supporting Info

Rearrangement of Alkylchlorocarbenes:  1,2-H Shift in Free Carbene, Carbene−Olefin Complex, and Excited States of Carbene Precursors Roland Bonneau, Michael T. H. Liu, Kyu Chul Kim, and Joshua L. Goodman pp 3829–3837 DOI: 10.1021/ja952700n Supporting Info

Protonation of Trimethylsilyl-Substituted Carbon−Carbon Multiple Bonds in Aliphatic Systems. Conformational Dependence of the β-Silyl Stabilizaton of Carbocations V. Gabelica and A. J. Kresge pp 3838–3841 DOI: 10.1021/ja9537686 Supporting Info

Optimized Electron Transfer in Charge-Transfer Ion Pairs. Pronounced Inner-Sphere Behavior of Olefin Donors Stephan M. Hubig, T. Michael Bockman, and Jay K. Kochi pp 3842–3851 DOI: 10.1021/ja954242o

(Cyanovinyl)ketenes From Azafulvenones. An Apparent Retro-Wolff Rearrangement Greg GuangHua Qiao, Wim Meutermans, Ming Wah Wong, Michael Träubel, and Curt Wentrup pp 3852–3861 DOI: 10.1021/ja954226r Supporting Info

A Kinetic Scale for Dialkylaminyl Radical Reactions Osama M. Musa, John H. Horner, Haifa Shahin, and Martin Newcomb pp 3862–3868 DOI: 10.1021/ja954268f Supporting Info

Stepwise Syntheses of Bisporphyrins, Bischlorins, and Biscorroles, and of Porphyrin−Chlorin and Porphyrin−Corrole Heterodimers Roberto Paolesse, Ravindra K. Pandey, Timothy P. Forsyth, Laurent Jaquinod, Kevin R. Gerzevske, Daniel J. Nurco, Mathias O. Senge, Silvia Licoccia, Tristano Boschi, and Kevin M. Smith pp 3869–3882 DOI: 10.1021/ja9541138 Supporting Info

Living Polymerization of (o-(Trimethylsilyl)phenyl)acetylene by Molybdenum Imido Alkylidene Complexes Richard R. Schrock, Shifang Luo, Jesse C. Lee, Jr., Nadia C. Zanetti, and William M. Davis pp 3883–3895 DOI: 10.1021/ja954155w Supporting Info

Differential Reactivity and Structure of Mono- and Dialkoxides:  The Reactions of Ethylene Glycol on Mo(110) K. T. Queeney, C. R. Arumainayagam, M. K. Weldon, C. M. Friend, and M. Q. Blumberg pp 3896–3904 DOI: 10.1021/ja953987r

A Switchable Hybrid [2]-Catenane Based on Transition Metal Complexation and π-Electron Donor−Acceptor Interactions David B. Amabilino, Christiane O. Dietrich-Buchecker, Aude Livoreil, Lluïsa Pérez-García, Jean-Pierre Sauvage, and J. Fraser Stoddart pp 3905–3913 DOI: 10.1021/ja954329+

An Experimental and Theoretical Study of the Long-Lived Radical Cation of CH3OCH2CH2OH Jaana M. H. Pakarinen, Rebecca L. Smith, Pirjo Vainiotalo, Tapani A. Pakkanen, and Hilkka I. Kenttämaa pp 3914–3921 DOI: 10.1021/ja952145p

Polymer Light-Emitting Electrochemical Cells:  In Situ Formation of a Light-Emitting p−n Junction Qibing Pei, Yang Yang, Gang Yu, Chi Zhang, and Alan J. Heeger pp 3922–3929 DOI: 10.1021/ja953695q Supporting Info

Preparation of New Electron-Accepting π-Conjugated Polyquinoxalines. Chemical and Electrochemical Reduction, Electrically Conducting Properties, and Use in Light-Emitting Diodes Takakazu Yamamoto, Kiyoshi Sugiyama, Takashi Kushida, Tetsuji Inoue, and Takaki Kanbara pp 3930–3937 DOI: 10.1021/ja954173d Supporting Info

Thermodynamic Control in Ion Radical Cleavages through Out-of-Cage Diffusion of Products. Dynamics of C−C Fragmentation in Cation Radicals of tert-Butylated NADH Analogues and Other Ion Radicals Agnès Anne, Sylvie Fraoua, Jacques Moiroux, and Jean-Michel Savéant pp 3938–3945 DOI: 10.1021/ja9542294

An ab Initio Quantum Mechanical Model for the Catalytic Mechanism of HIV-1 Protease Hsing Lee, Thomas A. Darden, and Lee G. Pedersen pp 3946–3950 DOI: 10.1021/ja9513188 Supporting Info

Origin of the Structural Phase Transitions and the Anomalous Electrical and Magnetic Properties of the Magnetic Metal NaV6O11 Dong-Kyun Seo and Myung-Hwan Whangbo pp 3951–3958 DOI: 10.1021/ja953508o

VALIDATE:  A New Method for the Receptor-Based Prediction of Binding Affinities of Novel Ligands Richard D. Head, Mark L. Smythe, Tudor I. Oprea, Chris L. Waller, Stuart M. Green, and Garland R. Marshall pp 3959–3969 DOI: 10.1021/ja9539002

A New Palladium-Catalyzed Benzannulation of Conjugated Enynes Shinichi Saito, Matthew M. Salter, Vladimir Gevorgyan, Norie Tsuboya, Kazushi Tando, and Yoshinori Yamamoto pp 3970–3971 DOI: 10.1021/ja9600486 Supporting Info

Direct Observation by FTIR Spectroscopy of the Ferrous Heme−NO+ Intermediate in Reduction of Nitrite by a Dissimilatory Heme cd1 Nitrite Reductase Yaning Wang and Bruce A. Averill pp 3972–3973 DOI: 10.1021/ja9538647

EPR Characterization of the Quintet State for a Hydrocarbon Tetraradical with Two Localized 1,3-Cyclopentanediyl Biradicals Linked by meta-Phenylene as a Ferromagnetic Coupler Waldemar Adam, Claus van Barneveld, Steven E. Bottle, Heinrich Engert, Graeme R. Hanson, Heinrich M. Harrer, Christiane Heim, Werner M. Nau, and Deming Wang pp 3974–3975 DOI: 10.1021/ja953494m

Electrochemically-Controlled Hydrogen Bonding. Selective Recognition of Urea and Amide Derivatives by Simple Redox-Dependent Receptors Yu Ge, Ronald R. Lilienthal, and Diane K. Smith pp 3976–3977 DOI: 10.1021/ja954283k

Photoinduced Electron Transfer Reactions through Dendrimer Architecture Reiko Sadamoto, Nobuyuki Tomioka, and Takuzo Aida pp 3978–3979 DOI: 10.1021/ja952855v Supporting Info

Two Modes of Self-Coordinating Edge-over-Edge Zn(II) Porphyrin Dimerization:  A Structural and Spectroscopic Comparison Robert T. Stibrany, Jayasree Vasudevan, Spencer Knapp, Joseph A. Potenza, Tom Emge, and Harvey J. Schugar pp 3980–3981 DOI: 10.1021/ja9536734 Supporting Info

Homogeneous Catalysis of Electrochemical Hydrogen Evolution by Iron(0) Porphyrins Iqbal Bhugun, Doris Lexa, and Jean-Michel Savéant pp 3982–3983 DOI: 10.1021/ja954326x

Ozone from Iron(III) Porphyrin, Nitrite Ion, and Oxygen Charles E. Castro pp 3984–3985 DOI: 10.1021/ja952028u

Far-Red Resonance Raman Study of Copper A in Subunit II of Cytochrome c Oxidase Stacie E. Wallace-Williams, Chris A. James, Simon de Vries, Matti Saraste, Pekka Lappalainen, John van der Oost, Marian Fabian, Graham Palmer, and William H. Woodruff pp 3986–3987 DOI: 10.1021/ja953646d

Interactions between Organized, Surface-Confined Monolayers and Vapor-Phase Probe Molecules. 10. Preparation and Properties of Chemically Sensitive Dendrimer Surfaces Mona Wells and Richard M. Crooks pp 3988–3989 DOI: 10.1021/ja960097i

The First Isolation and Characterization of a Palladium−Copper Heterometallic Complex Bearing μ4-Oxo Atom Derived from Molecular Oxygen Takahiro Hosokawa, Minoru Takano, and Shun-Ichi Murahashi pp 3990–3991 DOI: 10.1021/ja953514k Supporting Info

5-endo-trig Radical Cyclizations:  A New Means to the Stereoselective Synthesis of Cyclopentanes and Diquinanes Stéphane Bogen and Max Malacria pp 3992–3993 DOI: 10.1021/ja953806l Supporting Info

Observation of an Amide Enol of Bis(2,4,6-triisopropylphenyl)acetic Acid Joseph Frey and Zvi Rappoport pp 3994–3995 DOI: 10.1021/ja960224a

Molecular Optoelectronic Gates Richard W. Wagner, Jonathan S. Lindsey, Jyoti Seth, Vaithianathan Palaniappan, and David F. Bocian pp 3996–3997 DOI: 10.1021/ja9602657

One-Dimensional Metals Physics and Materials Science By Siegmar Roth (Max-Planck Institut für Festkörperforschung). VCH:  Weinheim. 1995. xii + 247 pp. $95.00. ISBN 3-527-26875-8. Fred Wudl p 3998 DOI: 10.1021/ja955310+

Light-Scattering Studies on the Thermally Induced Crystallization Transition of β-Cyclodextrin J. Am. Chem. Soc. 1995, 117, 9314−9322 Yannis Georgalis, Jens Schüler, Patrick Umbach, and Wolfram Saenger p 3998 DOI: 10.1021/ja965402e

Advances in Enzymology and Related Areas of Molecular Biology Edited by Alton Meister (Cornell University Medical College). Wiley:  New York. 1994. 316 pp. $119.00. ISBN 0-471-01767-1. Max O. Funk, Jr. pp 3998–3999 DOI: 10.1021/ja945111a

Theoretical and Computational Approaches to Interfacial Phenomena Edited by Harrell Lee Sellers (South Dakota State University) and Joseph Thomas Golab (Amoco Research Center). Plenum:  New York and London. 1994. x + 246 pp. $85.00. ISBN 0-306-44899-8. Jay Benziger p 3999 DOI: 10.1021/ja955248g

The Neem Tree:  Source of Unique Natural Products for Integrated Pest Management, Medicinal, Industrial, & Other Purposes Edited by Heinrich Schmutterer (Giessen U., FGR). VCH:  New York. 1995. xxi + 680 pp. $125.00. ISBN 3-527-30054-6. Stella D. Elakovich pp 3999–4000 DOI: 10.1021/ja9553112

Chemical Nomenclatures and the Computer By D. J. Polton (University of Hull, U.K.). John Wiley & Sons Inc.:  New York, Chichester, Toronto, Brisbane, and Singapore. 1993. xii + 264 pp. $74.95. ISBN 0-471-94239-1. Jerry A. Darsey p 4000 DOI: 10.1021/ja934828f

Combustion Efficiency and Air Quality Edited by Istvan Hargittai (Budapest Technical University, Hungary) and Tamas Vidoczy (Hungarian Academy of Science, Hungary). Plenum Press:  New York. 1995. xiii + 289 pp. $85.00. ISBN 0-306-44848-3. Elmar R. Altwicker p 4000 DOI: 10.1021/ja9552353

Issue 17

NMR Studies of a 13C,15N-Labeled GM4-Lactam Glycolipid at an Oriented Model-Membrane Interface Brian A. Salvatore, Ranajeet Ghose, and James H. Prestegard pp 4001–4008 DOI: 10.1021/ja9540482

2-Pyridylnitrene−1,3-Diazacyclohepta-1,2,4,6-tetraene Rearrangements in the Trifluoromethyl-2-pyridyl Azide Series1a Richard A. Evans, Ming Wah Wong, and Curt Wentrup pp 4009–4017 DOI: 10.1021/ja9541645 Supporting Info

Engineering the Solid State with 2-Benzimidazolones Kathryn E. Schwiebert, Donovan N. Chin, John C. MacDonald, and George M. Whitesides pp 4018–4029 DOI: 10.1021/ja952836l Supporting Info

Oxide Formation upon Thermolysis of a Pb(II)/Zr(IV) Alkoxide Daniel J. Teff, John C. Huffman, and Kenneth G. Caulton pp 4030–4035 DOI: 10.1021/ja9523606 Supporting Info

NMR Studies of Chiral Discrimination Relevant to the Liquid Chromatographic Enantioseparation by a Cellulose Phenylcarbamate Derivative Eiji Yashima, Chiyo Yamamoto, and Yoshio Okamoto pp 4036–4048 DOI: 10.1021/ja960050x Supporting Info

A Molecular Yarn:  Near-Field Optical Studies of Self-Assembled, Flexible, Fluorescent Fibers Daniel A. Higgins, Josef Kerimo, David A. Vanden Bout, and Paul F. Barbara pp 4049–4058 DOI: 10.1021/ja960105v

Sequenced Reactions with Samarium(II) Iodide. Tandem Nucleophilic Acyl Substitution/Ketyl−Olefin Coupling Reactions Gary A. Molander and Christina R. Harris pp 4059–4071 DOI: 10.1021/ja952619k

Synthesis, Chiroptical Properties, and Configurational Assignment of Fulleroproline Derivatives and Peptides Alberto Bianco, Michele Maggini, Gianfranco Scorrano, Claudio Toniolo, Giancarlo Marconi, Claudio Villani, and Maurizio Prato pp 4072–4080 DOI: 10.1021/ja9539249 Supporting Info

First Neutron Diffraction Analysis of an O−H···π Hydrogen Bond:  2-Ethynyladamantan-2-ol Frank H. Allen, Judith A. K. Howard, Vanessa J. Hoy, Gautam R. Desiraju, D. Shekhar Reddy, and Chick C. Wilson pp 4081–4084 DOI: 10.1021/ja954057a Supporting Info

Supramolecular Synthons in Crystal Engineering. 3. Solid State Architecture and Synthon Robustness in Some 2,3-Dicyano-5,6-dichloro-1,4-dialkoxybenzenes1 D. Shekhar Reddy, Yuri E. Ovchinnikov, Oleg V. Shishkin, Yuri T. Struchkov, and Gautam R. Desiraju pp 4085–4089 DOI: 10.1021/ja953372u Supporting Info

Supramolecular Synthons in Crystal Engineering. 4. Structure Simplification and Synthon Interchangeability in Some Organic Diamondoid Solids1 D. Shekhar Reddy, Donald C. Craig, and Gautam R. Desiraju pp 4090–4093 DOI: 10.1021/ja953373m Supporting Info

Hydrogen/Deuterium Isotope Effects on the NMR Chemical Shifts and Geometries of Intermolecular Low-Barrier Hydrogen-Bonded Complexes Sergei N. Smirnov, Nikolai S. Golubev, Gleb S. Denisov, Hans Benedict, Parwin Schah-Mohammedi, and Hans-Heinrich Limbach pp 4094–4101 DOI: 10.1021/ja953445+

Transition Metal-Based Polymers with Controlled Architectures:  Well-Defined Poly(ferrocenylsilane) Homopolymers and Multiblock Copolymers via the Living Anionic Ring-Opening Polymerization of Silicon-Bridged [1]Ferrocenophanes Yizeng Ni, Ron Rulkens, and Ian Manners pp 4102–4114 DOI: 10.1021/ja953805t

Characteristics of Nickel(0), Nickel(I), and Nickel(II) in Phosphino Thioether Complexes:  Molecular Structure and S-Dealkylation of (Ph2P(o-C6H4)SCH3)2Ni0 Jang Sub Kim, Joseph H. Reibenspies, and Marcetta Y. Darensbourg pp 4115–4123 DOI: 10.1021/ja953686h Supporting Info

Bis(purine) Complexes of trans-a2PtII:  Preparation and X-ray Structures of Bis(9-methyladenine) and Mixed 9-Methyladenine, 9-Methylguanine Complexes and Chemistry Relevant to Metal-Modified Nucleobase Triples and Quartets André Schreiber, Marc S. Lüth, Andrea Erxleben, Edda C. Fusch, and Bernhard Lippert pp 4124–4132 DOI: 10.1021/ja953595k Supporting Info

17- and 19-Electron Complexes [FeIII(η5-C5R5)(S2CNMe2)L]n+ (n = 1, 0):  Electronic Structure and Substitution and Redox Chemistry. Formation of [FeIV(η5-C5R5)(dtc)2] and Characterization of both 17e and 19e States of a Transition-Metal Complex Marie-Hélène Delville-Desbois, Stefan Mross, Didier Astruc, Jorge Linares, François Varret,Hassan Raba, Albert Le Beuze, Jean-Yves Saillard, Robert D. Culp, David A. Atwood, and Alan H. Cowley pp 4133–4147 DOI: 10.1021/ja953603x Supporting Info

Calculation of the Electron Affinities of the Chromophores Involved in Photosynthesis Marshall G. Cory and Michael C. Zerner pp 4148–4151 DOI: 10.1021/ja952089s

An Analysis of Electron Donor−Acceptor Complexes:  H2O·F2, H2O·Cl2, and H2O·ClF T. Dahl and I. Røeggen pp 4152–4158 DOI: 10.1021/ja9537890

Ring Opening of Bicyclo[n.1.0]alkanones to 2-Cycloalkanone-1,3-diyls. Why Does Oxyallyl Diradical Formation Require Less Energy from Bicyclo[3.1.0]hexan-6-ones than from Bicyclo[1.1.0]butan-2-ones? David A. Hrovat, Arvi Rauk, T. S. Sorensen, Helen K. Powell, and Weston Thatcher Borden pp 4159–4166 DOI: 10.1021/ja954296y Supporting Info

Surface Organometallic Chemistry on Metals. Evidence for a Surface-Stabilized Germylene, Rhs[Ge(Ad)(H)]y/SiO2 (Ad = Adamantyl) Obtained by a Controlled Reaction between Rh/SiO2 and (Ad)GeH3 M. Taoufik, C. C. Santini, J.-P. Candy, A. de Mallmann, and J. M. Basset pp 4167–4174 DOI: 10.1021/ja952718y

A Molecular Dynamics and Quantum Mechanics Analysis of the Effect of DMSO on Enzyme Structure and Dynamics:  Subtilisin Ya-Jun Zheng and Rick L. Ornstein pp 4175–4180 DOI: 10.1021/ja9539195

Formate Ester Norrish Type II Elimination:  Diode Laser Probing of Gas-Phase Yields Yuping Niu, Elizabeth Christophy, Patrick J. Pisano, Ying Zhang, and Jeanne M. Hossenlopp pp 4181–4187 DOI: 10.1021/ja952532z

A New View of the Norrish Type II Elimination:  Product Rotational State Distributions Yuping Niu, Elizabeth Christophy, and Jeanne M. Hossenlopp pp 4188–4189 DOI: 10.1021/ja9525420

Reductively Induced Dimerization of the Ligated Benzene in [Mn(η6-C6H6)(CO)3]+:  Formation of the Initial C−C Bond by Anion/Cation Addition Sijoon Lee, Sherri R. Lovelace, Debra J. Arford, Steven J. Geib, Stephen G. Weber, and N. John Cooper pp 4190–4191 DOI: 10.1021/ja952217c

Rotation of the exo-Methylene Group of 2-Methyleneglutarate Catalyzed by Coenzyme B12-Dependent 2-Methyleneglutarate Mutase from Clostridium barkeri Christopher H. Edwards and Bernard T. GoldingFriedrich Kroll, Birgitta Beatrix, Gerd Bröker, and Wolfgang Buckel pp 4192–4193 DOI: 10.1021/ja9537641 Supporting Info

NMR Spectroscopic Evidence for π-Complexation and the Formation of a Vinylcopper Intermediate in the Reaction between Methyl phenylpropiolate and tBuCu(CN)Li Karolina Nilsson, Christina Ullenius, and Norbert Krause pp 4194–4195 DOI: 10.1021/ja953676g Supporting Info

Two-Dimensional Silicon-29/Tin-117 NMR Evidence of Aqueous Stannosilicate Anions Stephen D. Kinrade, Raymond T. Syvitski, Kirk Marat, and Christopher T. G. Knight pp 4196–4197 DOI: 10.1021/ja9534718

A New Variant of the Kulinkovich Hydroxycyclopropanation. Reductive Coupling of Carboxylic Esters with Terminal Olefins Jinhwa Lee, Heejin Kim, and Jin Kun Cha pp 4198–4199 DOI: 10.1021/ja954147f Supporting Info

Intramolecular 2-Propylidene-1,3-bis(silane) Imine Cyclizations. An Efficient New Procedure for the Stereocontrolled Synthesis of Pyrrolidines, Isotropanes, and Bridged Pyrrolizidines Timothy Kercher and Tom Livinghouse pp 4200–4201 DOI: 10.1021/ja954136m Supporting Info

13C Chemical Shift Tensor of the Isopropyl Cation John B. Nicholas, Teng Xu, Dewey H. Barich, Paul D. Torres, and James F. Haw pp 4202–4203 DOI: 10.1021/ja953645l

Synthesis and Reactivity of Phosphametallacyclobutenes:  Sterically Induced [4 + 2] Retrocycloadditions Tricia L. Breen and Douglas W. Stephan pp 4204–4205 DOI: 10.1021/ja953470f Supporting Info

General N−H Activation of Primary Alkylamines by a Late Transition-Metal Complex Michael S. Driver and John F. Hartwig pp 4206–4207 DOI: 10.1021/ja954129y Supporting Info

1,5-Dimethyl-2,4,6,8-semibullvalenetetracarboxylic Dianhydride:  A Close Approach to a Neutral Homoaromatic Semibullvalene Richard Vaughan Williams, Vijay R. Gadgil, and Kamlesh ChauhanDick van der Helm and M. Bilayet HossainLloyd M. Jackman and Errol Fernandes pp 4208–4209 DOI: 10.1021/ja9600690 Supporting Info

Xenophilic Metal Clusters:  Preparation and Crystal Structure of {μ-Mn(THF)2}2Fe2(CO)8 (THF = Tetrahydrofuran) George N. Harakas and Bruce R. Whittlesey pp 4210–4211 DOI: 10.1021/ja953016b Supporting Info

Monolayers in Three Dimensions:  Synthesis and Electrochemistry of ω-Functionalized Alkanethiolate-Stabilized Gold Cluster Compounds Michael J. Hostetler, Stephen J. Green, Jennifer J. Stokes, and Royce W. Murray pp 4212–4213 DOI: 10.1021/ja960198g Supporting Info

2-Alkoxy-2-amino-Δ3-1,3,4-oxadiazolines as Novel Sources of Alkoxyaminocarbenes Philippe Couture, Johan K. Terlouw, and John Warkentin pp 4214–4215 DOI: 10.1021/ja953813+ Supporting Info

Novel Carbocyle Enlargement in Aqueous Medium Chao-Jun Li, Dong-Li Chen, Yue-Qi Lu, John X. Haberman, and Joel T. Mague pp 4216–4217 DOI: 10.1021/ja960489p Supporting Info

Strained Cyclic Cumulene Intermediates in Diels−Alder Cycloadditions of Enynes and Diynes Richard C. Burrell, Kimberly J. Daoust, Alexander Z. Bradley, Kenneth J. DiRico, and Richard P. Johnson pp 4218–4219 DOI: 10.1021/ja9601144 Supporting Info

The State of Aggregation of α-Helical Poly(l-glutamic acid) in Aqueous Salt Solutions Alfred Holtzer and Roland B. Hawkins pp 4220–4221 DOI: 10.1021/ja954008y

Inter- and Intralayer Energy Transfer in Zirconium Phosphate−Poly(allylamine hydrochloride) Multilayers:  An Efficient Photon Antenna and a Spectroscopic Ruler for Self-Assembled Thin Films David M. Kaschak and Thomas E. Mallouk pp 4222–4223 DOI: 10.1021/ja960384m

Capillary Electrophoresis By Dale R. Baker (Hewlett-Packard, Boulder, CO). Wiley:  New York. 1995. xx + 244 pp. $49.95. ISBN 0-471-11763-3. Stephen C. Beale p 4224 DOI: 10.1021/ja955242r

Synthesis of the 3-Repeat Region of Human Tau-2 by the Solid Phase Assembly of Backbone Amide-Protected Segments J. Am. Chem. Soc. 1995, 117, 11656−11668 M. Quibell, L. C. Packman, and T. Johnson p 4224 DOI: 10.1021/ja965404z

Insights into Specialty Inorganic Chemicals Edited by David Thompson. The Royal Society of Chemistry:  Cambridge. 1995. xxiii + 505 pp. £39.50. ISBN 0-85404-504-X. D. W. Slocum and L. L. Pesterfield pp 4224–4225 DOI: 10.1021/ja9553462

Advances in Chemistry Series 242. Foams:  Fundamentals and Applications in the Petroleum Industry. Edited by Laurier L. Schramm (Petroleum Recovery Institute). ACS:  Washington, DC. 1994. xii + 555 pp. $129.95. ISBN 0-8412-2719-5. Gregory A. Campbell p 4225 DOI: 10.1021/ja955157j

Introduction to Biocatalysis:  Using Enzymes and Micro- organisms By Stanley M. Roberts, Nicholas J. Turner, Andrew J. Willets (University of Exeter), and Michael K. Turner (University College, London). Cambridge University Press:  New York. 1995. xii + 195 pp. $19.95. ISBN 0-521-43685-0. Douglas C. Cameron pp 4225–4226 DOI: 10.1021/ja955177l

Pharmacology, Biology and Clinical Applications of Androgens:  Current Status and Prospects Edited by Shalender Bhasin (Charles R. Drew University), Henry L. Gabelnick (Contraceptive Research and Development Program), Jeffrey M. Spieler (Agency for International Development), Ronald S. Swerdloff (Harbor-UCLA Medical Center), Christina Wang (Harbor-UCLA Medical Center), and Chuck Kelly (Long Beach, California). Wiley:  New York. 1996. xiv + 529 pp. $89.95. ISBN 0-471-13320-5. p 4226 DOI: 10.1021/ja955390h

Progress in Heterocyclic Chemistry, Volume 7 Edited by H. Suschitzky (University of Salford, U.K.) and E. F. V. Scriven (Reilly Industries, Indiana). Pergamon:  The Netherlands. 1995. viii + 334 pp. $150.00. ISBN 0-08-0420907. p 4226 DOI: 10.1021/ja9553922

Free Radicals in Organic Chemistry Edited by Jacques Fossey, Daniel Lefort, and Janine Sorba (CNRS, France). Wiley:  New York. 1995. xiv + 307 pp. $39.95. ISBN 0-471-95496-9. p 4226 DOI: 10.1021/ja955393u

Combined Vaccines and Simultaneous Administration:  Current Issues and Perspectives Edited by Jim C. Williams, Karen L. Goldenthal, Drusilla L. Burns, and Benjamin P. Lewis, Jr. (USFDA). Annals of the New York Academy of Sciences:  New York. 1995. 404 pp. ISBN 0-89766-863-4. p 4226 DOI: 10.1021/ja9655449

Disease in Evolution:  Global Changes and Emergence of Infectious Diseases Edited by Mary E. Wilson, Richard Levins, and Andrew Spielman (Harvard School of Public Health). Annals of the New York Academy of Sciences:  New York. 1994. 503 pp. $145.00. ISBN 0-89766-876-6. p 4226 DOI: 10.1021/ja9655451

The Anthropology of Lower Income Urban Enclaves:  The Case of East Harlem Edited by Judith Freidenberg (City University of New York). Annals of the New York Academy of Sciences:  New York. 1995. 287 pp. $45.00. ISBN 0-89766-891-X. p 4226 DOI: 10.1021/ja965546t

Issue 18

Cyclic Guanidino-Sugars with Low pKa as Transition-State Analog Inhibitors of Glycosidases:  Neutral Instead of Charged Species Are the Active Forms Jin-Hyun Jeong, Brion W. Murray, Shuichi Takayama, and Chi-Huey Wong pp 4227–4234 DOI: 10.1021/ja951602z Supporting Info

Can the Monomer of the Leucine Zipper Proteins Recognize the Dimer Binding Site without Dimerization? Changmoon Park, Judy L. Campbell, and William A. Goddard, III pp 4235–4239 DOI: 10.1021/ja950653t

The Structure and Energetics of Helix Formation by Short Templated Peptides in Aqueous Solution. 2. Characterization of the Helical Structure of Ac-Hel1-Ala6-OH D. S. Kemp, Thomas J. Allen, Sherri L. Oslick, and James G. Boyd pp 4240–4248 DOI: 10.1021/ja9529100

The Structure and Energetics of Helix Formation by Short Templated Peptides in Aqueous Solution. 3. Calculation of the Helical Propagation Constant s from the Template Stability Constants t/c for Ac-Hel1-Alan-OH, n = 1−6 D. S. Kemp, Sherri L. Oslick, and Thomas J. Allen pp 4249–4255 DOI: 10.1021/ja952911s

Triplet State Interactions between Nucleic Acid Bases in Solution at Room Temperature:  Intermolecular Energy and Electron Transfer Paul D. Wood and Robert W. Redmond pp 4256–4263 DOI: 10.1021/ja954340+

Regioselective Palladium(II)-Catalyzed Synthesis of Five- or Seven-Membered Ring Lactones and Five-, Six- or Seven-Membered Ring Lactams by Cyclocarbonylation Methodology Bassam El Ali, Kazumi Okuro, Giuseppe Vasapollo, and Howard Alper pp 4264–4270 DOI: 10.1021/ja953403l

Definitive Evidence for Inhibition of Calix[6]arene Ring Inversion Obtained from a 1,3-Xylenyl-Bridged Chiral Calix[6]arene Hideyuki Otsuka and Seiji Shinkai pp 4271–4275 DOI: 10.1021/ja953626b

Cyclization of N-Butyl-4-pentenylaminyl:  Implications for the Cyclization of Alkenylaminyl Radicals Brendan J. Maxwell and John Tsanaktsidis pp 4276–4283 DOI: 10.1021/ja953720s

Stereo- and Regiospecific Syntheses of α- and β-Substituted Vinyl and Dienyl Triflones via the Stille Reaction1 Jason S. Xiang, A. Mahadevan, and P. L. Fuchs pp 4284–4290 DOI: 10.1021/ja954303i Supporting Info

Catalytic and Enantioselective Route to Medium-Ring Heterocycles. Asymmetric Zirconium-Catalyzed Ethylmagnesation of Seven- and Eight-Membered Rings Michael S. Visser, Nicola M. Heron, Mary T. Didiuk, John F. Sagal, and Amir H. Hoveyda pp 4291–4298 DOI: 10.1021/ja960163g Supporting Info

Molecular Mechanics Predictions and Experimental Testing of Asymmetric Palladium-Catalyzed Allylation Reactions Using New Chiral Phenanthroline Ligands Eduardo Peña-Cabrera, Per-Ola Norrby, Magnus Sjögren, Aldo Vitagliano, Vincenzo De Felice, Johan Oslob, Shingo Ishii, David O'Neill, Björn Åkermark, and Paul Helquist pp 4299–4313 DOI: 10.1021/ja950860t Supporting Info

Aciculitins A−C:  Cytotoxic and Antifungal Cyclic Peptides from the Lithistid Sponge Aciculites orientalis Carole A. Bewley, Haiyin He, David H. Williams, and D. John Faulkner pp 4314–4321 DOI: 10.1021/ja953628w Supporting Info

A Stereochemical Model for Merged 1,2- and 1,3-Asymmetric Induction in Diastereoselective Mukaiyama Aldol Addition Reactions and Related Processes David A. Evans, Michael J. Dart, Joseph L. Duffy, and Michael G. Yang pp 4322–4343 DOI: 10.1021/ja953901u Supporting Info

Photoinduced Charge Separation and Photophysical Dynamics in Polynorbornene Chromophore Labeled and Quencher-Labeled Block Copolymers Diana M. Watkins and Marye Anne Fox pp 4344–4353 DOI: 10.1021/ja950941p

Chromophore-Labeled Dendrons as Light Harvesting Antennae Gina M. Stewart and Marye Anne Fox pp 4354–4360 DOI: 10.1021/ja954021i

Photochemistry of o-Vinylbenzaldehyde:  Formation of a Ketene Methide Intermediate and Its Trapping with Secondary Amines S. V. Kessar, A. K. S. Mankotia, J. C. Scaiano, M. Barra, J. Gebicki, and K. Huben pp 4361–4365 DOI: 10.1021/ja954111n

Flash Photolytic Generation of Primary, Secondary, and Tertiary Ynamines in Aqueous Solution and Study of Their Carbon-Protonation Reactions in That Medium Y. Chiang, A. S. Grant, A. J. Kresge, and S. W. Paine pp 4366–4372 DOI: 10.1021/ja9601797 Supporting Info

Fe(TPA)-Catalyzed Alkane Hydroxylation. Metal-Based Oxidation vs Radical Chain Autoxidation Jinheung Kim, Roger G. Harrison, Cheal Kim, and Lawrence Que, Jr. pp 4373–4379 DOI: 10.1021/ja9542303

Conformation of Different S-Deoxo-Xaa3-amaninamide Analogues in DMSO Solution as Determined by NMR Spectroscopy. Strong CD Effects Induced by βI, βII Conformational Change Wolfgang Schmitt, Giancarlo Zanotti, Theodor Wieland, and Horst Kessler pp 4380–4387 DOI: 10.1021/ja9529706 Supporting Info

Determination of γ and Stereospecific Assignment of H5‘ Protons by Measurement of 2J and 3J Coupling Constants in Uniformly 13C Labeled RNA J. P. Marino, H. Schwalbe, S. J. Glaser, and C. Griesinger pp 4388–4395 DOI: 10.1021/ja953554o

Synthesis and Characterization of 1,4,7-Triazacyclononane Derivatives with Methylphosphinate and Acetate Side Chains for Monitoring Free MgII by 31P and 1H NMR Spectroscopy Jurriaan Huskens and A. Dean Sherry pp 4396–4404 DOI: 10.1021/ja953771p Supporting Info

13C NMR Studies on Carboranes and Derivatives:  Experimental/Calculational Correlations Martin Diaz, Jojo Jaballas, Joachin Arias, Hans Lee, and Thomas Onak pp 4405–4410 DOI: 10.1021/ja954089y

Incorporation of C60 in Layered Double Hydroxide Wen-Yi Tseng, Jenn-Tsuen Lin, Chung-Yuan Mou, Soofin Cheng, Shang-Bin Liu, Peter P. Chu, and Hann-Wen Liu pp 4411–4418 DOI: 10.1021/ja952588t

Mechanism of Solid/Liquid Interfacial Reactions. The Hydrolytic Dissolution of Solid Triphenylmethyl Chloride in Aqueous Solution Kin Yip Tam, Richard G. Compton, John H. Atherton, Colin M. Brennan, and Robert Docherty pp 4419–4426 DOI: 10.1021/ja9529145

Theoretical Study of the Formation of Three-Electron Bonds in Some F-Substituted Thiol and Sulfide Anions Christine Dézarnaud-Dandine and Alain Sevin pp 4427–4433 DOI: 10.1021/ja952480d

A Dynamical Density Functional Study on the Reaction of Ethylene with Cp2Zr(C2H5)+ Peter Margl, John C. W. Lohrenz, Tom Ziegler, and Peter E. Blöchl pp 4434–4441 DOI: 10.1021/ja953510f

Modeling the Solvent Sphere:  Mechanism of the Shilov Reaction Per E. M. Siegbahn and Robert H. Crabtree pp 4442–4450 DOI: 10.1021/ja9541894

Ultraviolet Photochemistry of Diacetylene:  The Metastable C4H2* Reaction with Ethene, Propene, and Propyne Rex K. Frost, Caleb A. Arrington, Christopher Ramos, and Timothy S. Zwier pp 4451–4461 DOI: 10.1021/ja953757c

β-Cyanoethyl Anion:  Lusus Naturae Grant N. Merrill, Gregg D. Dahlke, and Steven R. Kass pp 4462–4468 DOI: 10.1021/ja953796o Supporting Info

The Role of Degenerate Biradicals in the Photorearrangement of Acylcyclopropenes to Furans Sarah Wilsey, Michael J. Bearpark, Fernando Bernardi, Massimo Olivucci, and Michael A. Robb pp 4469–4479 DOI: 10.1021/ja953726h Supporting Info

Second Harmonic Generation in Multilayer Langmuir−Blodgett Films of Blue Transparent Organic Polymers W. M. K. P. Wijekoon, S. K. Wijaya, J. D. Bhawalkar, P. N. Prasad, T. L. Penner, N. J. Armstrong, M. C. Ezenyilimba, and D. J. Williams pp 4480–4483 DOI: 10.1021/ja953974d Supporting Info

Fullerene Lipid Chemistry:  Self-Organized Multibilayer Films of a C60-Bearing Lipid with Main and Subphase Transitions Hiroto Murakami, Yuki Watanabe, and Naotoshi Nakashima pp 4484–4485 DOI: 10.1021/ja960037c

Alkynylation of C−H Bonds via Reaction with Acetylenic Triflones1 Jianchun Gong and P. L. Fuchs pp 4486–4487 DOI: 10.1021/ja953518p Supporting Info

Conformation of Gas-Phase Myoglobin Ions B. A. Collings and D. J. Douglas pp 4488–4489 DOI: 10.1021/ja953649q

Conduction and Valence Band Edges of Porous Silicon Determined by Electron Transfer Julie M. Rehm, George L. McLendon, and Philippe M. Fauchet pp 4490–4491 DOI: 10.1021/ja9538795 Supporting Info

New and Stereospecific Synthesis of Allenes in a Single Step from Propargylic Alcohols Andrew G. Myers and Bin Zheng pp 4492–4493 DOI: 10.1021/ja960443w Supporting Info

Enantiotopic Group Recognition:  Direct Evidence for Selective Complexation of Enantiotopic Groups by a Chiral Host Manfred T. Reetz, Joachim Rudolph, and Richard Mynott pp 4494–4495 DOI: 10.1021/ja954183e Supporting Info

Regioselective Sodium Cation-Assisted Synthesis of the First Bis-Transannular Cyclotriphosphazatriene Derivatives of a Chiral Ligand Type Krystyna Brandt, Iwona Porwolik, Anna Olejnik, Robert A. Shaw, David B. Davies, Michael B. Hursthouse, and Georgia D. Sykara pp 4496–4497 DOI: 10.1021/ja960201w Supporting Info

Transition-Metal Monosilonyls [M(SiO), M = Cu, Ag, Au, V]:  Electron Spin Resonance at 4 K A. P. Williams, R. J. Van Zee, and W. Weltner, Jr. pp 4498–4499 DOI: 10.1021/ja960289d

Methyl-Cation Shuttles:  Xe- and N2-Catalyzed Isomerization of CH3NO2+ to CH3ONO+ Vladimir Baranov, Simon Petrie, and Diethard K. Bohme pp 4500–4501 DOI: 10.1021/ja954162k

Direct Observation of Carbon−Carbon Bond Cleavage in Ultrafast Decarboxylations T. Michael Bockman, Stephan M. Hubig, and Jay K. Kochi pp 4502–4503 DOI: 10.1021/ja960112j

Conformational Analysis of Poly(spirotetrahydrofuranyl)cyclohexyl Systems. The Preference of Multiple C−O Bonds for Equatorial Occupancy Leo A. Paquette, Marshall Stepanian, Bruce M. Branan, Scott D. Edmondson, Cary B. Bauer, and Robin D. Rogers pp 4504–4505 DOI: 10.1021/ja953972t Supporting Info

Technetium Complexes for the Quantitation of Brain Amyloid Hogyu Han, Cheon-Gyu Cho, and Peter T. Lansbury, Jr. pp 4506–4507 DOI: 10.1021/ja960207l Supporting Info

Solid State NMR III:  Organic Matter Edited by B. Blümich (Aachen, FRG). Springer-Verlag:  New York. 1994. 213 pp. $43.00. ISBN 0-387-57399-2. Myong K. Ahn p 4508 DOI: 10.1021/ja955319b

Advances in Detailed Reaction Mechanisms. Volume 4. Synthetically Useful Reactions Edited by James M. Coxon (University of Canterbury, New Zealand). JAI Press:  Connecticut. 1995. ix + 222 pp. $97.50. ISBN 1-55938-787-4. Néstor M. Carballeira pp 4508–4509 DOI: 10.1021/ja9553821

Electric Field Applications in Chromatography, Industrial & Chemical Processes Edited by Takao Tsuda (Nagoya Institute of Technology, Japan). VCH:  New York. 1995. xvi + 311 pp. $190.00. ISBN 3-527-28687-X. J. J. Breen p 4509 DOI: 10.1021/ja955353q

Industrial Inorganic Chemicals:  Production and Uses Edited by R. Thompson. The Royal Society of Chemistry:  Cambridge, U.K. 1995. xviii + 408 pp. £39.50. ISBN 0-85404-514-7. Michael Overcash pp 4509–4510 DOI: 10.1021/ja955345+

Hydride Generation Atomic Absorption Spectrometry By Jiri Dedina (Academy of Sciences, Czech Republic) and Dimiter L. Tsalev (University of Sofia, Bulgaria). Wiley:  U.K. 1995. xviii + 526 pp. $84.95. ISBN 0-471-95364-4. Julian F. Tyson p 4510 DOI: 10.1021/ja955302t

Issue 19

Identification of Conformational Substates in Oxymyoglobin through the pH-Dependence of the Low-Temperature Photoproduct Yield Lisa M. Miller, Mehul Patel, and Mark R. Chance pp 4511–4517 DOI: 10.1021/ja952534j

Nonionic Analogs of RNA with Dimethylene Sulfone Bridges Clemens Richert, Andrew L. Roughton, and Steven A. Benner pp 4518–4531 DOI: 10.1021/ja952322m Supporting Info

Temperature Dependence and Sequence Specificity of DNA Triplex Formation:  An Analysis Using Isothermal Titration Calorimetry Mamoru Kamiya, Hidetaka Torigoe, Heisaburo Shindo, and Akinori Sarai pp 4532–4538 DOI: 10.1021/ja952287j

Spectroscopic Characterization of (Iodomethyl)zinc Reagents Involved in Stereoselective Reactions:  Spectroscopic Evidence That IZnCH2I Is Not Zn(CH2I)2 + ZnI2 in the Presence of an Ether André B. Charette and Jean-François Marcoux pp 4539–4549 DOI: 10.1021/ja951171k Supporting Info

Enantioselective Synthesis of Cyclothiazide Analogues:  Novel Probes of the Stereospecific Actions of Benzothiadiazines at AMPA-Type Glutamate Receptors Yuefei Hu, Kelvin A. Yamada, David K. Chalmers, Durga P. Annavajjula, and Douglas F. Covey pp 4550–4559 DOI: 10.1021/ja9525317

Asymmetric Synthesis of Stegobinone via Boronic Ester Chemistry Donald S. Matteson, Hon-Wah Man, and Oliver C. Ho pp 4560–4566 DOI: 10.1021/ja960345a Supporting Info

A Seven-Coordinate Manganese(II) Complex Formed with a Single Tripodal Heptadentate Ligand as a New Superoxide Scavenger Alain Deroche, Irène Morgenstern-Badarau, Michèle Cesario, Jean Guilhem, Bineta Keita, Louis Nadjo, and Chantal Houée-Levin pp 4567–4573 DOI: 10.1021/ja952508l Supporting Info

Catalytic Carbon−Carbon and Carbon−Hydrogen Bond Cleavage in Lower Alkanes. Low-Temperature Hydroxylations and Hydroxycarbonylations with Dioxygen as the Oxidant Minren Lin, Terrence E. Hogan, and Ayusman Sen pp 4574–4580 DOI: 10.1021/ja953670r

The Presence of Water in the Common CeCl3/RLi Alkylation System William J. Evans, Jay D. Feldman, and Joseph W. Ziller pp 4581–4584 DOI: 10.1021/ja954276w Supporting Info

The Mechanism of the Ru-Assisted C−C Bond Cleavage of Terminal Alkynes by Water Claudio Bianchini, Juan A. Casares, Maurizio Peruzzini, Antonio Romerosa, and Fabrizio Zanobini pp 4585–4594 DOI: 10.1021/ja9601393

Synthesis, Characterization, and Reactivity, in the C−H Bond Activation of Cycloalkanes, of a Silica-Supported Tantalum(III) Monohydride Complex:  (SiO)2TaIII−H Véronique Vidal, Albert Théolier, Jean Thivolle-Cazat, Jean-Marie Basset, and Judith Corker pp 4595–4602 DOI: 10.1021/ja953524l

A Solid-State Route to Molecular Clusters:  Access to the Solution Chemistry of [Re6Q8]2+ (Q = S, Se) Core-Containing Clusters via Dimensional Reduction Jeffrey R. Long, Logan S. McCarty, and R. H. Holm pp 4603–4616 DOI: 10.1021/ja960216u Supporting Info

Theoretical Study of the Hydrogen Exchange Coupling in the Metallocene Trihydride Complexes [(C5H5)2MH3]n+ (M = Mo, W, n = 1; M = Nb, Ta, n = 0) Santiago Camanyes, Feliu Maseras, Miquel Moreno, Agustí Lledós, José M. Lluch, and Juan Bertrán pp 4617–4621 DOI: 10.1021/ja952689r

Ab Initio Study of the Effect of Fluorination upon the Structure and Configurational Stability of α-Sulfonyl Carbanions:  The Role of Negative Hyperconjugation Gerhard Raabe, Hans-Joachim Gais, and Jörg Fleischhauer pp 4622–4630 DOI: 10.1021/ja953034t Supporting Info

Octacarbonyl Diiron. A Density Functional Study Heiko Jacobsen and Tom Ziegler pp 4631–4635 DOI: 10.1021/ja953509g Supporting Info

Unimolecular Isomerizations and Oxygen Atom Loss in Formaldehyde and Acetaldehyde Carbonyl Oxides. A Theoretical Investigation Josep M. Anglada, Josep M. Bofill, Santiago Olivella, and Albert Solé pp 4636–4647 DOI: 10.1021/ja953858a Supporting Info

Accurate Borane Sequential Bond Dissociation Energies by High-Level ab Initio Computational Methods Paul R. Rablen and John F. Hartwig pp 4648–4653 DOI: 10.1021/ja9542451 Supporting Info

An Interpretive Basis of the Proton Nuclear Magnetic Resonance Hyperfine Shifts for Structure Determination of High-Spin Ferric Hemoproteins. Implications for the Reversible Thermal Unfolding of Ferricytochrome c‘ from Rhodopseudomonas palustris Kimber Clark, Laxmichand B. Dugad, Robert G. Bartsch, Michael A. Cusanovich, and Gerd N. La Mar pp 4654–4664 DOI: 10.1021/ja953719t Supporting Info

Studies of Framework Iron in Zeolites by Pulsed ENDOR at 95 GHz D. Goldfarb, K. G. Strohmaier, D. E. W. Vaughan, H. Thomann, O. G. Poluektov, and J. Schmidt pp 4665–4671 DOI: 10.1021/ja953903e

Electron Magnetic Resonance of the Tyrosyl Radical in Ribonucleotide Reductase from Escherichia coli Curtis W. Hoganson, Margareta Sahlin, Britt-Marie Sjöberg, and Gerald T. Babcock pp 4672–4679 DOI: 10.1021/ja953979a

Resonance Raman Spectrum of a 2A1u Ferryl Porphyrin π-Cation Radical Kazimierz Czarnecki, L. M. Proniewicz, Hiroshi Fujii, and James R. Kincaid pp 4680–4685 DOI: 10.1021/ja954044x

Mechanism of Photooxidation of Trichloroethylene on TiO2:  Detection of Intermediates by Infrared Spectroscopy Jingfu Fan and John T. Yates, Jr. pp 4686–4692 DOI: 10.1021/ja952155q

Disproportionation of Photoexcited C60 Che Chau Yang and Kuo Chu Hwang pp 4693–4698 DOI: 10.1021/ja952640l

Regio- and Stereoselective Allylindation of Allenols Regulated by a Hydroxyl-Chelated Bicyclic Transition State Shuki Araki, Hidenao Usui, Motoshi Kato, and Yasuo Butsugan pp 4699–4700 DOI: 10.1021/ja954318g Supporting Info

Investigations of Sesquiterpenoid Biosynthesis by the Dorid Nudibranch Acanthodoris nanaimoensis Edmund I. Graziani and Raymond J. Andersen pp 4701–4702 DOI: 10.1021/ja9539305 Supporting Info

Chiral Promesogenic Monomers Inducing One-Handed, Helical Conformations in Synthetic Polymers Elena Ramos, Jordi Bosch, José Luis Serrano, Teresa Sierra, and Jaume Veciana pp 4703–4704 DOI: 10.1021/ja9543107

Heterocyclic Betaines Exhibiting Extremely Large First Hyperpolarizability: Ab Initio and INDO/S Calculations Jiro Abe and Yasuo Shirai pp 4705–4706 DOI: 10.1021/ja9535017

In Search of Through-Solvent Electronic Coupling in Flexible Biradicals Malcolm D. E. Forbes, Jonathan D. Ball, and Nikolai I. Avdievich pp 4707–4708 DOI: 10.1021/ja960101q

Evidence for Inefficient Chain-to-Chain Coupling in Electron Tunneling through Liquid Alkanethiol Monolayer Films on Mercury Krzysztof Slowinski, Richard V. Chamberlain II, Renata Bilewicz, and Marcin Majda pp 4709–4710 DOI: 10.1021/ja9601191

An Ascending Synthesis of Adrenalcorticosteroids. The Total Synthesis of (+)-Adrenosterone Carolyn D. Dzierba, Kathleen S. Zandi, Thomas Möllers, and K. J. Shea pp 4711–4712 DOI: 10.1021/ja9602509 Supporting Info

Synthesis and Characterization of [η4-P7Ni(CO)]3-, [η4-HP7Ni(CO)]2-, and [η2-P7PtH(PPh3)]2-:  Two Electronically Equivalent Protonated Zintl Ion Complexes with Markedly Different Structures Scott Charles, James C. Fettinger, Simon G. Bott, and Bryan W. Eichhorn pp 4713–4714 DOI: 10.1021/ja953963k Supporting Info

Catalytic Dimerization Reactions of α-Olefins and α,ω-Dienes with Cp2ZrCl2/Poly(methylalumoxane):  Formation of Dimers, Carbocycles, and Oligomers Jens Christoffers and Robert G. Bergman pp 4715–4716 DOI: 10.1021/ja960227n Supporting Info

Electrochemical and Quartz-Crystal-Microbalance Transduction of Light-Controlled Supramolecular Interactions at Monolayer-Functionalized Electrodes Sharon Marx-Tibbon, Iddo Ben-Dov, and Itamar Willner pp 4717–4718 DOI: 10.1021/ja960172p

Photochemistry of Thiarubrine A and Other 1,2-Dithiins:  Formation of 2,6-Dithiabicyclo[3.1.0]hex-3-enes Eric Block, Jon Page, John P. Toscano, Cun-Xiao Wang, Xing Zhang, Russell DeOrazio, Chuangxing Guo, Robert S. Sheridan, and G. H. Neil Towers pp 4719–4720 DOI: 10.1021/ja960589v Supporting Info

The First Trimetallic Lithium−Sodium−Potassium Complex:  Synthesis and Crystal Structure of a Twelve-Vertex Li2Na2K2N4O2 Cage Molecule Containing an Amide−Alkoxide Combination Fiona M. Mackenzie and Robert E. MulveyWilliam Clegg and Lynne Horsburgh pp 4721–4722 DOI: 10.1021/ja960327t Supporting Info

Catalytic Asymmetric Allylation of Aldehydes Using a Chiral Silver(I) Complex Akira Yanagisawa, Hiroshi Nakashima, Atsushi Ishiba, and Hisashi Yamamoto pp 4723–4724 DOI: 10.1021/ja9603315 Supporting Info

A New and Unusual Pathway for the Reaction of Neocarzinostatin Chromophore with Thiols. Revised Structure of the Protein-Directed Thiol Adduct Andrew G. Myers, Stephen P. Arvedson, and Robert W. Lee pp 4725–4726 DOI: 10.1021/ja960335+ Supporting Info

Axial Hydrophobic Fence in Highly-Stable Ni(II) Complex of Des-Angiotensinogen N-Terminal Peptide Wojciech BalGwendolyn N. Chmurny and Bruce D. HiltonPeter J. Sadler and Alan Tucker pp 4727–4728 DOI: 10.1021/ja953988j Supporting Info

Interaction of C-1027 Chromophore with d(GTATAC)2:  A Binding Model Based on NMR Experiments Yasushi Okuno, Takashi Iwashita, Toshio Otani, and Yukio Sugiura pp 4729–4730 DOI: 10.1021/ja9602051 Supporting Info

Issue 20

Base Specific and Regioselective Chemical Cross-Linking of Daunorubicin to DNA Fenfei Leng, Rajesh Savkur, Izabela Fokt, Teresa Przewloka, Waldemar Priebe, and Jonathan B. Chaires pp 4731–4738 DOI: 10.1021/ja9542606

A Cationic Cyclophane That Forms a Base-Pair Open Complex with RNA Duplexes M. Fernandez-Saiz, H.-J. Schneider, J. Sartorius, and W. David Wilson pp 4739–4745 DOI: 10.1021/ja960049y Supporting Info

Mechanistic Studies of the Palladium(II)-Catalyzed Copolymerization of Ethylene with Carbon Monoxide Francis C. Rix, Maurice Brookhart, and Peter S. White pp 4746–4764 DOI: 10.1021/ja953276t Supporting Info

Metalated 2-Alkenylsulfoximines:  Efficient Solutions for Asymmetric d3-Synthons Michael Reggelin, Heinz Weinberger, Matthias Gerlach, and Reinhard Welcker pp 4765–4777 DOI: 10.1021/ja9530735 Supporting Info

Steric and Stereoelectronic Control of the Mode Selectivity as a Function of Alkene Structure in the Reaction with Dimethyl α-Peroxy Lactone:  Cycloadducts and Ene Products versus Epoxides Waldemar Adam and Lluis Blancafort pp 4778–4787 DOI: 10.1021/ja953442x

Anthocyanin Intramolecular Interactions. A New Mathematical Approach To Account for the Remarkable Colorant Properties of the Pigments Extracted from Matthiola incana Paulo Figueiredo, Mourad Elhabiri, Norio Saito, and Raymond Brouillard pp 4788–4793 DOI: 10.1021/ja9535064

Acid−Base Properties of Arylnitrenium Ions Robert A. McClelland, Mary Jo Kahley, P. Adriaan Davidse, and Gordana Hadzialic pp 4794–4803 DOI: 10.1021/ja954248d

Novel Chemistry of Carbon Bound to Cobalt in Organocobalt Complexes Related to B12 Suzette M. Polson, Lory Hansen, and Luigi G. Marzilli pp 4804–4808 DOI: 10.1021/ja953086i Supporting Info

Mechanism in Polyoxometalate-Catalyzed Homogeneous Hydrocarbon Oxo Transfer Oxidation. The [Co4(H2O)2P2W18O68]10-/p-Cyano-N,N-dimethylaniline N-Oxide Selective Catalytic Epoxidation System Xuan Zhang, Ken Sasaki, and Craig L. Hill pp 4809–4816 DOI: 10.1021/ja9536983 Supporting Info

Monomeric Bis(η2-alkyne) Complexes of Copper(I) and Silver(I) with η1-Bonded Alkyl, Vinyl, and Aryl Ligands Maurits D. Janssen, Katrin Köhler, Mathias Herres, Alain Dedieu, Wilberth J. J. Smeets, Anthony L. Spek, David M. Grove, Heinrich Lang, and Gerard van Koten pp 4817–4829 DOI: 10.1021/ja954041k Supporting Info

nido-Metalloborane Complexes:  Synthesis and Structural Characterization of μ2,η4-Hexahydrodiboratotetrakis(N,N‘-diarylformamidinato)ditantalum(III), Aryl = p-Tolyl and Phenyl. The First Structurally Characterized Complexes Containing the μ2,η4-B2H62- Ligand F. Albert Cotton, Lee M. Daniels, Carlos A. Murillo, and Xiaoping Wang pp 4830–4833 DOI: 10.1021/ja954087d Supporting Info

Theoretical Metastability of Semiconductor Crystallites in High-Pressure Phases, with Application to β-Tin Structure Silicon L. E. Brus, J. A. W. Harkless, and F. H. Stillinger pp 4834–4838 DOI: 10.1021/ja954166p

Aurophilicity at Sulfur Centers. Synthesis and Reactivity of the Complex [S(Au2dppf)]; Formation of Polynuclear Sulfur-Centered Complexes. Crystal Structures of [S(Au2dppf)]·2CHCl3, [(μ-Au2dppf){S(Au2dppf)}2](OTf)2· 8CHCl3, and [S(AuPPh2Me)2(Au2dppf)](ClO4)2·3CH2Cl2 Fernando Canales, M. Concepción Gimeno, Antonio Laguna, and Peter G. Jones pp 4839–4845 DOI: 10.1021/ja9517678 Supporting Info

Reactivity of Platinum−Oxygen Bonds:  Kinetic and Mechanistic Studies of the Carbonylation of Platinum Aryloxide Complexes and the Formation of (Aryloxy)carbonyls David W. Dockter, Phillip E. Fanwick, and Clifford P. Kubiak pp 4846–4852 DOI: 10.1021/ja952680p Supporting Info

Porphocyanines:  Expanded Aromatic Tetrapyrrolic Macrocycles Lily Y. Xie, Ross W. Boyle, and David Dolphin pp 4853–4859 DOI: 10.1021/ja953721k

The Nitrosyl Azide Potential Energy Hypersurface:  A High-Energy-Density Boom or Bust? John Morrison Galbraith and Henry F. Schaefer III pp 4860–4870 DOI: 10.1021/ja9534157

Electrochemistry of Electron-Transfer Probes. The Role of the Leaving Group in the Cleavage of Radical Anions of α-Aryloxyacetophenones1 Mogens L. Andersen, N. Mathivanan, and Danial D. M. Wayner pp 4871–4879 DOI: 10.1021/ja954093+

Carbon-13 Chemical Shift Tensors in Polycyclic Aromatic Compounds. 6.1 Single-Crystal Study of Perylene Robbie J. Iuliucci, Cu G. Phung, Julio C. Facelli, and David M. Grant pp 4880–4888 DOI: 10.1021/ja954052d

Photoelectron Spectra, Ab Initio SCF MO, and Natural Bond Orbital Studies on Stellenes. Long-Range π/σ Interactions Rolf Gleiter, Holger Lange, and Oliver Borzyk pp 4889–4895 DOI: 10.1021/ja954237k

9,10-Dehydroanthracene: p-Benzyne-Type Biradicals Abstract Hydrogen Unusually Slowly Marc J. Schottelius and Peter Chen pp 4896–4903 DOI: 10.1021/ja960181y

Synthesis of (±)-Calicheamicinone by Two Related Methods D. L. J. Clive, Yunxin Bo, Yong Tao, Sylvain Daigneault, Yong-Jin Wu, and Gérard Meignan pp 4904–4905 DOI: 10.1021/ja9602004 Supporting Info

First Structure of a Cyclopentadienyl Trihydride d2 System:  A Pseudotrigonal Prism Rather Than the Expected Pseudooctahedron and Its Mechanism of Hydrogen Scrambling James C. Fettinger, Brett A. Pleune, and Rinaldo Poli pp 4906–4907 DOI: 10.1021/ja953408i Supporting Info

Circular Dichroism and Circular Polarization of Photoluminescence of Highly Ordered Poly{3,4-di[(S)-2-methylbutoxy]thiophene} B. M. W. Langeveld-Voss, R. A. J. Janssen, M. P. T. Christiaans, S. C. J. Meskers, H. P. J. M. Dekkers, and E. W. Meijer pp 4908–4909 DOI: 10.1021/ja9600643 Supporting Info

Asymmetric Catalysis of the Strecker Amino Acid Synthesis by a Cyclic Dipeptide Mani S. Iyer, Kenneth M. Gigstad, Nivedita D. Namdev, and Mark Lipton pp 4910–4911 DOI: 10.1021/ja952686e Supporting Info

Hybrid QM/MM Simulations Yield the Ground and Excited State pKa Difference:  Phenol in Aqueous Solution Jiali Gao, Naiqi Li, and Marek Freindorf pp 4912–4913 DOI: 10.1021/ja960021m Supporting Info

Structure and Mössbauer Spectrum of a (μ-1,2-Peroxo)bis(μ-carboxylato)diiron(III) Model for the Peroxo Intermediate in the Methane Monooxygenase Hydroxylase Reaction Cycle Kimoon Kim and Stephen J. Lippard pp 4914–4915 DOI: 10.1021/ja9604370 Supporting Info

Asymmetric Transfer Hydrogenation of Imines Nobuyuki Uematsu, Akio Fujii, Shohei Hashiguchi, Takao Ikariya, and Ryoji Noyori pp 4916–4917 DOI: 10.1021/ja960364k Supporting Info

Studies in Natural Products Chemistry:  Vol. 16, Stereoselective Synthesis (Part J) Edited by A.-u.-Raman (University of Karachi, Pakistan). Elsevier:  The Netherlands. 1995. xiv + 757 pp. $435.25. ISBN 0-444082264-X. Jeffrey Aubé p 4918 DOI: 10.1021/ja955379h

Flow Injection Atomic Absorption Spectrometry By Zhaolun Fang (Institute of Applied Ecology, Chinese Academy of Sciences). Wiley:  New York. 1996. xiii + 306 pp. $89.95. ISBN 0-444-87394-5. Gary D. Christian p 4918 DOI: 10.1021/ja965517i

Issue 21

Photoinduced Electron Transfer Chemistry of 9-Methylanthracene. Substrate as Both Electron Donor and Acceptor in the Presence of the 1-Ethyl-3-methylimidazolium Ion Carlos Lee, Timothy Winston, Additya Unni, Richard M. Pagni, and Gleb Mamantov pp 4919–4924 DOI: 10.1021/ja953337n

Crystal and Electronic Structure of Stable Nitrenium Ions. A Comparison with Structurally Related Carbenes Gernot Boche, Phil Andrews, Klaus Harms, Michael Marsch, Kanchugarakoppal S. Rangappa, Michael Schimeczek, and Christoph Willeke pp 4925–4930 DOI: 10.1021/ja9536274 Supporting Info

Self-Assembly, Spectroscopic, and Electrochemical Properties of [n]Rotaxanes1 Peter R. Ashton, Roberto Ballardini, Vincenzo Balzani, Martin Bělohradský, Maria Teresa Gandolfi, Douglas Philp, Luca Prodi, Françisco M. Raymo, Mark V. Reddington, Neil Spencer, J. Fraser Stoddart, Margherita Venturi, and David J. Williams pp 4931–4951 DOI: 10.1021/ja954334d Supporting Info

Effect of Nα-Acyl Chain Length on the Membrane-Modifying Properties of Synthetic Analogs of the Lipopeptaibol Trichogin GA IV C. Toniolo, M. Crisma, F. Formaggio, C. Peggion, V. Monaco, C. Goulard, S. Rebuffat, and B. Bodo pp 4952–4958 DOI: 10.1021/ja954081o

Electron Delocalization and the Fermi Hole Richard F. W. Bader, Andrew Streitwieser, Arnst Neuhaus, Keith E. Laidig, and Peter Speers pp 4959–4965 DOI: 10.1021/ja953563x

Deactivation of Methylrhenium Trioxide−Peroxide Catalysts by Diverse and Competing Pathways Mahdi M. Abu-Omar, Peter J. Hansen, and James H. Espenson pp 4966–4974 DOI: 10.1021/ja952305x

Chemical Vapor Deposition of TiN from Tetrakis(dimethylamido)titanium and Ammonia:  Kinetics and Mechanistic Studies of the Gas-Phase Chemistry Bruce H. Weiller pp 4975–4983 DOI: 10.1021/ja953468o

Base-Induced Fragmentation of a Macrocyclic Thioether at an (Arene)ruthenium(II) Center. Generation of η1(S)-Ethenethiolate and η2(C,S)-Thioacetaldehyde Martin A. Bennett, Lai Yoong Goh, and Anthony C. Willis pp 4984–4992 DOI: 10.1021/ja9541084 Supporting Info

Bioorganometallic Chemistry. 8. The Molecular Recognition of Aromatic and Aliphatic Amino Acids and Substituted Aromatic and Aliphatic Carboxylic Acid Guests with Supramolecular (η5-Pentamethylcyclopentadienyl)rhodium−Nucleobase, Nucleoside, and Nucleotide Cyclic Trimer Hosts via Non-Covalent π−π and Hydrophobic Interactions in Water:  Steric, Electronic, and Conformational Parameters Hong Chen, Seiji Ogo, and Richard H. Fish pp 4993–5001 DOI: 10.1021/ja954040s

Relation of Structural Changes to Electron-Transfer Parameters in Fulvalenediyl Dirhodium Complexes Demonstrating Quasi-Reversible Two-Electron Voltammetry Teen T. Chin, William E. Geiger, and Arnold L. Rheingold pp 5002–5010 DOI: 10.1021/ja960259a Supporting Info

Low Mode Search. An Efficient, Automated Computational Method for Conformational Analysis:  Application to Cyclic and Acyclic Alkanes and Cyclic Peptides István Kolossváry and Wayne C. Guida pp 5011–5019 DOI: 10.1021/ja952478m

Electrochemical Oxidation and Structural Changes of 5,6-Dihydrobenzo[c]cinnolines Michael Dietrich, Jürgen Heinze, Claus Krieger, and Franz A. Neugebauer pp 5020–5030 DOI: 10.1021/ja952722+ Supporting Info

Electrocatalytic Voltammetry of Succinate Dehydrogenase:  Direct Quantification of the Catalytic Properties of a Complex Electron-Transport Enzyme Judy Hirst, Artur Sucheta, Brian A. C. Ackrell, and Fraser A. Armstrong pp 5031–5038 DOI: 10.1021/ja9534361

Controlled Orientation of Cyclodextrin Derivatives Immobilized on Gold Surfaces Gabriele Nelles, Michael Weisser, Roberta Back, Peter Wohlfart, Gerhard Wenz, and Silvia Mittler-Neher pp 5039–5046 DOI: 10.1021/ja9539812 Supporting Info

“Bare” Iron Methoxide Cation:  A Simple Model To Probe the Mechanism of β-Hydrogen Transfer in Organometallic Compounds Andreas Fiedler, Detlef Schröder, Helmut Schwarz, Brenda L. Tjelta, and P. B. Armentrout pp 5047–5055 DOI: 10.1021/ja953039q

Fluorine Substitution Enhances the Reactivity of Substituted Phenyl Radicals toward Organic Hydrogen Atom Donors Ruomei Li, Rebecca L. Smith, and Hilkka I. Kenttämaa pp 5056–5061 DOI: 10.1021/ja953344b

Hydrogenation of Weakly Rehybridized Ethylene on Fe(100)−H:  Ethyl Group Formation Philip B. Merrill and Robert J. Madix pp 5062–5067 DOI: 10.1021/ja953484l

Reactivity and Thermochemistry of Quadricyclane in the Gas Phase Hack Sung Lee, Charles H. DePuy, and Veronica M. Bierbaum pp 5068–5073 DOI: 10.1021/ja9540278

Ultraviolet Photoelectron Spectroscopy of Some C7H7- Isomers:  Quadricyclanide, Norbornadienide, Cycloheptatrienide, and 1,6-Heptadiynide Robert F. Gunion, William Karney, Paul G. Wenthold, Weston Thatcher Borden, and W. C. Lineberger pp 5074–5082 DOI: 10.1021/ja954026f

Direct Synthesis of Metal Cluster Complexes by Deposition of Mass-Selected Clusters with Ligand:  Iron with CO S. Fedrigo, T. L. Haslett, and M. Moskovits pp 5083–5085 DOI: 10.1021/ja954243g

Spectroscopy of Neurotransmitters and Their Clusters. 1. Evidence for Five Molecular Conformers of Phenethylamine in a Supersonic Jet Expansion S. Sun and E. R. Bernstein pp 5086–5095 DOI: 10.1021/ja9602962

1H-Detected, Gradient-Enhanced 15N and 13C NMR Experiments for the Measurement of Small Heteronuclear Coupling Constants and Isotopic Shifts Gottfried Otting, Barbara A. Messerle, and Linnea P. Soler pp 5096–5102 DOI: 10.1021/ja9540177

The Fumed Silica Surface:  A Study by NMR Changhua C. Liu and Gary E. Maciel pp 5103–5119 DOI: 10.1021/ja954120w Supporting Info

Solvated Silylium Cations:  Structure Determination by NMR Spectroscopy and the NMR/Ab Initio/IGLO Method Mehrdad Arshadi, Dan Johnels, Ulf Edlund, Carl-Henrik Ottosson, and Dieter Cremer pp 5120–5131 DOI: 10.1021/ja9542956 Supporting Info

Arylamine C−N Bond Oxidative Addition to (silox)3Ta (silox = tBu3SiO) Jeffrey B. Bonanno, Thomas P. Henry, David R. Neithamer, Peter T. Wolczanski, and Emil B. Lobkovsky pp 5132–5133 DOI: 10.1021/ja960092l Supporting Info

Self-Oscillating Gel Ryo Yoshida, Toshikazu Takahashi, Tomohiko Yamaguchi, and Hisao Ichijo pp 5134–5135 DOI: 10.1021/ja9602511

Self-Assembled Monolayers of Alkanethiolates Presenting Tri(propylene sulfoxide) Groups Resist the Adsorption of Protein Li Deng, Milan Mrksich, and George M. Whitesides pp 5136–5137 DOI: 10.1021/ja960461d Supporting Info

Novel Radical Reaction of Phenylsulfonyl Oxime Ethers. A Free Radical Acylation Approach Sunggak Kim, Ill Young Lee, Joo-Yong Yoon, and Dong Hyun Oh pp 5138–5139 DOI: 10.1021/ja9600993 Supporting Info

Calix[4]pyrroles:  Old Yet New Anion-Binding Agents Philip A. Gale, Jonathan L. Sessler, Vladimír Král, and Vincent Lynch pp 5140–5141 DOI: 10.1021/ja960307r Supporting Info

A Convenient Asymmetric Synthesis of α-1-Arylalkylamines through the Enantioselective Hydrogenation of Enamides Mark J. Burk, Yan Ming Wang, and Jeffrey R. Lee pp 5142–5143 DOI: 10.1021/ja953872n Supporting Info

Automated Solid-Phase Synthesis of Site-Specifically Platinated Oligodeoxyribonucleotides Rajesh Manchanda, Stephen U. Dunham, and Stephen J. Lippard pp 5144–5145 DOI: 10.1021/ja9602298 Supporting Info

On Pd-Catalyzed Cycloisomerization versus Cycloreduction. A General Strategy for Drimane Synthesis and a Short Total Synthesis of Siccanin Barry M. Trost, Fred J. Fleitz, and William J. Watkins pp 5146–5147 DOI: 10.1021/ja9543098 Supporting Info

Preorganization of Ferric Alcaligin, Fe2L3. The First Structure of a Ferric Dihydroxamate Siderophore Zhiguo Hou, Christopher J. Sunderland, Takayuki Nishio, and Kenneth N. Raymond pp 5148–5149 DOI: 10.1021/ja9600946 Supporting Info

The First Fully Sandwiched Lithiacarborane Complex:  A Synthetic and Structural Investigation Narayan S. Hosmane, Jimin Yang, Hongming Zhang, and John A. Maguire pp 5150–5151 DOI: 10.1021/ja9602915 Supporting Info

The Mechanism of Dimethyl Ether Formation from Methanol Catalyzed by Zeolitic Protons Solange R. Blaszkowski and Rutger A. van Santen pp 5152–5153 DOI: 10.1021/ja954323k

Copper-Mediated Coupling of Zirconacyclopentadienes with Dihalo Aromatic Compounds. Formation of Fused Aromatic Rings Tamotsu Takahashi, Ryuichiro Hara, Yasushi Nishihara, and Martin Kotora pp 5154–5155 DOI: 10.1021/ja960407x Supporting Info

A Template-Induced Incipient Collagen-Like Triple-Helical Structure Murray Goodman, Yangbo Feng, Giuseppe Melacini, and Joseph P. Taulane pp 5156–5157 DOI: 10.1021/ja954132h Supporting Info

Efficient Synthesis of Aromatic Polyketides in Vitro by the Actinorhodin Polyketide Synthase Christopher W. Carreras, Rembert Pieper, and Chaitan Khosla pp 5158–5159 DOI: 10.1021/ja960479o

Comparison of the Structures of the Five-Coordinate Cobalt(II) Pyridine, Five-Coordinate Cobalt(III) Methyl, and Six-Coordinate Cobalt(III) Methyl Pyridine Complexes of Octaethylporphyrin J. Am. Chem. Soc. 1994, 116, 7189−7195 Jack S. Summers, Jeffrey L. Petersen, and Alan M. Stolzenberg p 5160 DOI: 10.1021/ja965405r

Excipients and Delivery Systems for Pharmaceutical Formulations Edited by D. R. Karsa (Akros Chemicals) and R. A. Stephenson (Chemical Consultant). The Royal Society of Chemistry:  Cambridge, U.K. 1994. viii + 192 pp. £39.50. ISBN 0-85404-715-8. Metin Çelik pp 5160–5161 DOI: 10.1021/ja955176t

An Atlas of Fullerenes By P. W. Fowler (University of Exeter), D. E. Manolopoulos (University of Nottingham). Oxford:  New York. 1995. viii + 392 pp. $98.00. ISBN 0-19-855787-6. Anthony H. Francis p 5161 DOI: 10.1021/ja955342x

Heterogeneous Reaction Dynamics By Steven L. Bernasek (Princeton University). VCH:  New York. 1995. xii + 158 pp. $55.00. ISBN 0-89573-742-6. W. Henry Weinberg p 5161 DOI: 10.1021/ja955359f

Detection Methods for Cyanobacterial Toxins Edited by G. A. Codd (University of Dundee, U.K.), T. M. Jefferies (University of Bath, U.K.), C. W. Keevil (Centre for Applied Microbiology and Research, Porton Down, U.K.), and E. Porter (National Rivers Authority, Bristol, U.K.). The Royal Society of Chemistry:  Cambridge, U.K. 1994. ix + 191 pp. $89.95. ISBN 0-85186-961-0. Marc Slattery pp 5161–5162 DOI: 10.1021/ja9551749

Tellurium-Containing Heterocycles. Volume 53 Edited by Michael R. Detty and Marie B. O'Regan (Eastman Kodak Co.). Wiley and Sons:  New York. 1994. ix + 511 pp. $125.00. ISBN 0-471-63395-X. Suzanne M. Ruder p 5162 DOI: 10.1021/ja945109j

Advances in Photochemistry, Volume 19 By Douglas C. Neckers (Bowling Green State University, OH), David H. Volman (USC-Davis), and Gunther Von Bunau (University of Seigen, Germany). Wiley:  New York. 1995. xi + 325 pp. $129.95. ISBN 0-471-04912-3. Joseph B. Addison p 5162 DOI: 10.1021/ja9553011

Stereocontrolled Organic Synthesis Edited by Barry M. Trost (Stanford University). Blackwell:  London. 1994. x + 482 pp. £70.00. ISBN 0-86542-833-6. Mark Lautens p 5162 DOI: 10.1021/ja955327s

Issue 22

A Two-State Model of Hydrophobic Hydration That Produces Compensating Enthalpy and Entropy Changes B. Lee and Giuseppe Graziano pp 5163–5168 DOI: 10.1021/ja9538389

Generation and Detection of a Relatively Persistent Carboxylic Acid Enol2,2-Bis(2‘,4‘,6‘-triisopropylphenyl)ethene-1,1-diol Joseph Frey and Zvi Rappoport pp 5169–5181 DOI: 10.1021/ja9601090 Supporting Info

Reactions of the Relatively Persistent Carboxylic Acid Enol2,2-Ditipylethene-1,1-diol. The Reversibility of Ketene Hydration1 Joseph Frey and Zvi Rappoport pp 5182–5191 DOI: 10.1021/ja960456+ Supporting Info

Preparation, X-ray Crystal Structure, and Chemistry of Stable AzidoiodinanesDerivatives of Benziodoxole Viktor V. Zhdankin, Alexei P. Krasutsky, Chris J. Kuehl, Angela J. Simonsen, Jessica K. Woodward, Brian Mismash, and Jason T. Bolz pp 5192–5197 DOI: 10.1021/ja954119x Supporting Info

Structural Studies by Exciton Coupled Circular Dichroism over a Large Distance:  Porphyrin Derivatives of Steroids, Dimeric Steroids, and Brevetoxin B Stefan Matile, Nina Berova, Koji Nakanishi, Jörg Fleischhauer, and Robert W. Woody pp 5198–5206 DOI: 10.1021/ja960126p

Design, Synthesis, and Analysis of Yeast tRNAPhe Analogs Possessing Intra- and Interhelical Disulfide Cross-Links Jay T. Goodwin, Scott E. Osborne, Emily J. Scholle, and Gary D. Glick pp 5207–5215 DOI: 10.1021/ja960091t

Synthesis and Reactivity of the First Spectroscopically Observed 1H-Diazirine Nathalie Dubau-Assibat, Antoine Baceiredo, and Guy Bertrand pp 5216–5220 DOI: 10.1021/ja960491g

Donor/Acceptor Coupling in Mixed-Valent Dinuclear Iron Polypyridyl Complexes:  Experimental and Theoretical Considerations C. Michael Elliott, Daniel L. Derr, Suzanne Ferrere, Marshall D. Newton, and Y.-P. Liu pp 5221–5228 DOI: 10.1021/ja954297q Supporting Info

Na8K23Cd12In48:  A Zintl Phase Containing Icosahedral and Triangular Indium Units and Displaying a Remarkable Condensed Metal Fullerane Stuffed with a Tubular Cluster. Synthesis and Crystal and Electronic Structures David M. Flot, Monique M. Tillard-Charbonnel, and Claude H. E. Belin pp 5229–5235 DOI: 10.1021/ja960405c Supporting Info

Os(phen)2dppz2+ in Photoinduced DNA-Mediated Electron Transfer Reactions R. Erik Holmlin, Eric D. A. Stemp, and Jacqueline K. Barton pp 5236–5244 DOI: 10.1021/ja953941y

Studies on Single Alkaline Phosphatase Molecules:  Reaction Rate and Activation Energy of a Reaction Catalyzed by a Single Molecule and the Effect of Thermal DenaturationThe Death of an Enzyme Douglas B. Craig, Edgar A. Arriaga, Jerome C. Y. Wong, Hui Lu, and Norman J. Dovichi pp 5245–5253 DOI: 10.1021/ja9540839

Can Fulvene S1 Decay Be Controlled? A CASSCF Study with MMVB Dynamics Michael J. Bearpark, Fernando Bernardi, Massimo Olivucci, Michael A. Robb, and Barry R. Smith pp 5254–5260 DOI: 10.1021/ja9542799 Supporting Info

Energetics and Site Specificity of the Homolytic C−H Bond Cleavage in Benzenoid Hydrocarbons:  An ab Initio Electronic Structure Study Jerzy Cioslowski, Guanghua Liu, Martin Martinov, Pawel Piskorz, and David Moncrieff pp 5261–5264 DOI: 10.1021/ja9600439 Supporting Info

The Slowest Water Exchange at a Homoleptic Mononuclear Metal Center:  Variable-Temperature and Variable-Pressure 17O NMR Study on [Ir(H2O)6]3+ Antonio Cusanelli, Urban Frey, David T. Richens, and André E. Merbach pp 5265–5271 DOI: 10.1021/ja954071n

Valence Electron Cloud Asymmetry from Two Points of View:  A Correlation between Mössbauer Quadrupole Splittings and 57Fe NMR Chemical Shifts of Diamagnetic Iron(II) Porphyrinates Jayapal Reddy Polam, Joshua L. Wright, Kenner A. Christensen, F. Ann Walker, Holger Flint, Heiner Winkler, Michael Grodzicki, and Alfred X. Trautwein pp 5272–5276 DOI: 10.1021/ja954096m

Binding Energy of Al(C6H6)+ from Analysis of Radiative Association Kinetics Robert C. Dunbar, Stephen J. Klippenstein, Jan Hrušák, Detlef Stöckigt, and Helmut Schwarz pp 5277–5283 DOI: 10.1021/ja953235x

Absence of Platinum Enhancement of a Photoreaction on TiO2−CO Photooxidation on Pt/TiO2(110) Amy Linsebigler, Camelia Rusu, and John T. Yates, Jr. pp 5284–5289 DOI: 10.1021/ja953601c

Structure and Bonding of the Sulfamic Acid Zwitterion:  Microwave Spectrum of +H3N−SO3- M. Canagaratna, J. A. Phillips, H. Goodfriend, and K. R. Leopold pp 5290–5295 DOI: 10.1021/ja953983m

Observation and Photoelectron Spectroscopic Study of Novel Mono- and Diiron Oxide Molecules:  FeOy- (y = 1−4) and Fe2Oy- (y = 1−5) Hongbin Wu, Sunil R. Desai, and Lai-Sheng Wang pp 5296–5301 DOI: 10.1021/ja954153b

The Novel Bis(oxo-bridged) Dinuclear Vanadium(IV) Complex {(μ-O)2V2[N(SiMe3)2]4}:  An Unexpected Reaction Product Zhibang Duan, Martina Schmidt, Victor G. Young, Jr., Xiaobing Xie, Robert E. McCarley, and John G. Verkade pp 5302–5303 DOI: 10.1021/ja960226v Supporting Info

Stereocontrolled Synthesis of (±)-12a-Deoxytetracycline Gilbert Stork, James J. La Clair, Peter Spargo, Ravi P. Nargund, and Nancy Totah pp 5304–5305 DOI: 10.1021/ja960434n Supporting Info

Photochemistry of Metalloporphyrin Carbene Complexes Christopher J. Ziegler and Kenneth S. Suslick pp 5306–5307 DOI: 10.1021/ja954097e

Precursors to Endohedral Metal Fullerene Complexes:  Synthesis and X-ray Structure of a Flexible Acetylenic Cyclophane C60H18 Yves Rubin, Timothy C. Parker, Saeed I. Khan, Christopher L. Holliman, and Stephen W. McElvany pp 5308–5309 DOI: 10.1021/ja9606384 Supporting Info

Reconstitution of Apo-Glucose Oxidase with a Nitrospiropyran-Modified FAD Cofactor Yields a Photoswitchable Biocatalyst for Amperometric Transduction of Recorded Optical Signals Itamar Willner, Ron Blonder, and Eugenii KatzAchim Stocker and Andreas F. Bückmann pp 5310–5311 DOI: 10.1021/ja960228f

Fluorous Biphasic Singlet Oxygenation with a Perfluoroalkylated Photosensitizer Stephen G. DiMagno, Patrick H. Dussault, and Jeffrey A. Schultz pp 5312–5313 DOI: 10.1021/ja960736p Supporting Info

Oxidation of Peptide−Copper Complexes by Alkali Metal Cations in the Gas Phase Tomáš Vaisar, Christine L. Gatlin, and František Tureek pp 5314–5315 DOI: 10.1021/ja953636c

Triple-Resonance Experiments for Assignment of Adenine Base Resonances in 13C/15N-Labeled RNA Jean-Pierre Simorre, Grant R. Zimmermann, Luciano Mueller, and Arthur Pardi pp 5316–5317 DOI: 10.1021/ja954208+ Supporting Info

Interconversion between Point Chirality and Helical Chirality Driven by Shape-Sensitive Interactions Tadashi Mizutani, Shigeyuki Yagi, Atsushi Honmaru, and Hisanobu Ogoshi pp 5318–5319 DOI: 10.1021/ja953932p

Probing Protein/Protein Interactions with Mass Spectrometry and Isotopic Labeling:  Analysis of the p21/Cdk2 Complex Richard W. Kriwacki, Jiang Wu, Gary Siuzdak, and Peter E. Wright pp 5320–5321 DOI: 10.1021/ja960752m

Anionic Cyclizations of α-Aminoorganolithiums. Determination of the Stereoselectivity at the Carbanion Center and the Synthesis of (+)-Pseudoheliotridane Iain Coldham, Richard Hufton, and David J. Snowden pp 5322–5323 DOI: 10.1021/ja9607906 Supporting Info

Self-Assembly of [(Me2PhP)2Au]+[Au(GeCl3)2]- into Linear Ion Quadruples with an Unusual [+ − − +] Sequence Andreas Bauer and Hubert Schmidbaur pp 5324–5325 DOI: 10.1021/ja960715v Supporting Info

Rapid Synthesis of Dendrimers by an Orthogonal Coupling Strategy Fanwen Zeng and Steven C. Zimmerman pp 5326–5327 DOI: 10.1021/ja960317s Supporting Info

Oxidative Addition of Butanethiol and Thiophenol to the •Cr(CO)3C5Me5 Radical. Kinetic and Thermodynamic Study of a Third-Order Reaction and Its Catalysis Telvin D. Ju, Russell F. Lang, Gerald C. Roper, and Carl D. Hoff pp 5328–5329 DOI: 10.1021/ja960082k

Simultaneous Multiple Distance Measurements in Peptides via Solid-State NMR T. P. Jarvie and G. T. WentK. T. Mueller pp 5330–5331 DOI: 10.1021/ja960188f

Copper(II)-Catalyzed Amide Isomerization:  Evidence for N-Coordination Christopher Cox, Dana Ferraris, Narasimha N. Murthy, and Thomas Lectka pp 5332–5333 DOI: 10.1021/ja960693c Supporting Info

Thermal Analysis:  Fundamentals and Applications to Polymer Science By T. Hatakeyama and F. X. Quinn (National Institute of Materials and Chemical Research). John Wiley & Sons:  Chichester, U.K. 1994. vii + 158 pp. $54.95. ISBN 0-471-95103-X. Michael Sepe p 5334 DOI: 10.1021/ja945128t

Stereoselective Synthesis, Volume E21c Edited by Gunter Helmchen (Heidelberg), Reinhard W. Hoffman (Marburg), Johann Mulzer (Berlin), and Ernst Schaumann (Clausthal). Georg Thieme Verlag:  Stuttgart. 1995. xv + 1078 pp. DM2500. ISBN 3-13-798004-6. Michael P. Doyle p 5334 DOI: 10.1021/ja965516q

Issue 23

Inactivation of Etamycin by a Novel Elimination Mechanism in Streptomyces lividans Kevin P. Bateman, Keqian Yang, Pierre Thibault, Robert L. White, and Leo C. Vining pp 5335–5338 DOI: 10.1021/ja9539103

Double-Strand Cleavage of DNA by a Monofunctional Transition Metal Cleavage Agent Filomena V. Pamatong, Charles A. Detmer, III, and Jeffrey R. Bocarsly pp 5339–5345 DOI: 10.1021/ja953282p

Liquid Crystal Control of Bimolecular Thermal Reactions. Highly Regioselective Pericycloaddition of Fumarates to 2,6-Dialkoxyanthracenes in Liquid−Crystalline Media Hisao Kansui, Shingo Hiraoka, and Takehisa Kunieda pp 5346–5352 DOI: 10.1021/ja960282w Supporting Info

Quantum Mechanical Exchange Coupling in Iridium Trihydride Complexes D. Michael Heinekey, Amber S. Hinkle, and John D. Close pp 5353–5361 DOI: 10.1021/ja952142c

Bulk Synthesis of Inorganic Fullerene-like MS2 (M = Mo, W) from the Respective Trioxides and the Reaction Mechanism Y. Feldman, G. L. Frey, M. Homyonfer, V. Lyakhovitskaya, L. Margulis, H. Cohen, G. Hodes, J. L. Hutchison, and R. Tenne pp 5362–5367 DOI: 10.1021/ja9602408

Transition Metal Complexes with Sulfur Ligands. 117.1 A Reaction Cycle for Nickel Mediated Thioester Formation from Alkyl, CO, and Thiolate Groups Modeling the Acetyl-Coenzyme A Synthase Function of CO Dehydrogenase Dieter Sellmann, Daniel Häussinger, Falk Knoch, and Matthias Moll pp 5368–5374 DOI: 10.1021/ja952598u Supporting Info

Light-Induced Reactions of Porous and Single-Crystal Si Surfaces with Carboxylic Acids Eric J. Lee, Theodore W. Bitner, James S. Ha, Michael J. Shane, and Michael J. Sailor pp 5375–5382 DOI: 10.1021/ja960777l

Cross-Linkage by “Intact” Bizelesin and Bisalkylation by the “Separated Halves” of the Bizelesin Dimer:  Contrasting Drug Manipulation of DNA Conformation (5‘-TAATTA-3‘) Directs Alkylation toward Different Adenine Targets Frederick C. Seaman, Jianxiong Chu, and Laurence Hurley pp 5383–5395 DOI: 10.1021/ja960017a Supporting Info

Dihydrogen with Frequency of Motion Near the 1H Larmor Frequency. Solid-State Structures and Solution NMR Spectroscopy of Osmium Complexes trans-[Os(H··H)X(PPh2CH2CH2PPh2)2]+ (X = Cl, Br) Patricia A. Maltby, Marcel Schlaf, Martin Steinbeck, Alan J. Lough, Robert H. Morris, Wim T. Klooster, Thomas F. Koetzle, and Ramesh C. Srivastava pp 5396–5407 DOI: 10.1021/ja9529044 Supporting Info

Ab Initio Study of the Stability of the Ylide-like Intermediate Methyleneoxonium in the Reaction between Singlet Methylene and Water Carlos Gonzalez, Albeiro Restrepo-Cossio, Manuel Márquez, and Kenneth B. Wiberg pp 5408–5411 DOI: 10.1021/ja952771m

Migratory CO Insertion and Aldehyde Formation in Carbonylation of Methane by the Rh(PH3)2Cl Catalyst. A Dynamical Density Functional Study Peter Margl, Tom Ziegler, and Peter E. Blöchl pp 5412–5419 DOI: 10.1021/ja954168+

Merocyanine Aggregation in Mesoporous Networks F. Nüesch, J. E. Moser, V. Shklover, and M. Grätzel pp 5420–5431 DOI: 10.1021/ja953042+

Multichromophoric Cyclodextrins. 4. Light Conversion by Antenna Effect Ludovic Jullien, Josette Canceill, Bernard Valeur, Elisabeth Bardez, Jean-Pierre Lefèvre, Jean-Marie Lehn, Valérie Marchi-Artzner, and Robert Pansu pp 5432–5442 DOI: 10.1021/ja954332t

Time-Resolved Resonance Raman Evidence for Tight Coupling between Electron Transfer and Proton Pumping of Cytochrome c Oxidase upon the Change from the FeV Oxidation Level to the FeIV Oxidation Level Takashi Ogura, Shun Hirota, Denis A. Proshlyakov, Kyoko Shinzawa-Itoh, Shinya Yoshikawa, and Teizo Kitagawa pp 5443–5449 DOI: 10.1021/ja951922i

Organolithium Chemistry:  NMR-Based Distinction of Cyclic Dimers from Cyclic Trimers by 6Li{13C}-HMQC-TOCSY Walter Bauer pp 5450–5455 DOI: 10.1021/ja954273j

Atomic Motions and Protonation Stereochemistry in Nucleophilic Additions to Bicyclobutanes1 Shmaryahu Hoz, Carmela Azran, and Ariel Sella pp 5456–5461 DOI: 10.1021/ja960370g Supporting Info

Radiative Association of NO+ with 3-Pentanone:  Rate, Binding Energy, and Temperature Dependence Victor Ryzhov, Stephen J. Klippenstein, and Robert C. Dunbar pp 5462–5468 DOI: 10.1021/ja953183b

Formation, Spectroscopy, Photochemistry, and Quantum Chemistry of the (S2)(O2) Complex in Solid Argon G. Dana Brabson, Angelo Citra, Lester Andrews, Randall D. Davy, and Matthew Neurock pp 5469–5473 DOI: 10.1021/ja960484s

Antibodies with Thiol-S-Transferase Activity Erkang Fan, Yoko Oei, Elizabeth Sweet, Tetsuo Uno, and Peter G. Schultz pp 5474–5475 DOI: 10.1021/ja9602105

Long-Range Distance Measurements of Protein Binding Sites by Rotational-Echo Double-Resonance NMR Daniel R. Studelska, Christopher A. Klug, Denise D. Beusen, Lynda M. McDowell, and Jacob Schaefer pp 5476–5477 DOI: 10.1021/ja951509a

RNA Hydrolysis by the Cooperation of Carboxylate Ion and Ammonium Ion Masayuki Endo, Kouichiro Hirata, Toshihiro Ihara, Shinji Sueda, Makoto Takagi, and Makoto Komiyama pp 5478–5479 DOI: 10.1021/ja960009u

Single-Crystal X-ray Structure of the Cation Radical of 3‘,4‘-Dibutyl-2,5‘‘-diphenyl-2,2‘:5‘,2‘‘-terthiophene:  Definitive Evidence for π-Stacked Oxidized Oligothiophenes David D. Graf, John P. Campbell, Larry L. Miller, and Kent R. Mann pp 5480–5481 DOI: 10.1021/ja960194b Supporting Info

Absolute Energies of Interconverting Contact and Solvent-Separated Radical−Ion Pairs Bradley R. Arnold, Samir Farid, Joshua L. Goodman, and Ian R. Gould pp 5482–5483 DOI: 10.1021/ja9604020 Supporting Info

Stereoselective Pinacol Coupling in Aqueous Media Michael C. Barden and Jeffrey Schwartz pp 5484–5485 DOI: 10.1021/ja9606485

Metal−Metal Multiply-Bonded Complexes of Technetium. 4.1 Photodissociation of the Tc≡Tc Triple Bond in [Tc2(CH3CN)10][BF4]4 F. Albert Cotton, Steven C. Haefner, and Alfred P. Sattelberger pp 5486–5487 DOI: 10.1021/ja9604727 Supporting Info

Effects of Hydrogen Bonding in the Calculation of 15N Chemical Shift Tensors:  Benzamide Julio C. Facelli, Ronald J. Pugmire, and David M. Grant pp 5488–5489 DOI: 10.1021/ja960253l

How Do Different Fluorine Substitution Patterns Affect the Electronic State Energies of Phenylnitrene? Bradley A. Smith and Christopher J. Cramer pp 5490–5491 DOI: 10.1021/ja960687g Supporting Info

Nanostructured Molybdenum Carbide:  Sonochemical Synthesis and Catalytic Properties Taeghwan Hyeon, Mingming Fang, and Kenneth S. Suslick pp 5492–5493 DOI: 10.1021/ja9538187

Cross-Linked Enzyme Crystals as Highly Active Catalysts in Organic Solvents Nazer Khalaf, Chandrika P. Govardhan, Jim J. Lalonde, Rose A. Persichetti, Yi-Fong Wang, and Alexey L. Margolin pp 5494–5495 DOI: 10.1021/ja960081s

Catalytic Antibodies with Peptidyl−Prolyl Cis−Trans Isomerase Activity Jari T. Yli-Kauhaluoma, Jon A. Ashley, Chih-Hung L. Lo, Julie Coakley, Peter Wirsching, and Kim D. Janda pp 5496–5497 DOI: 10.1021/ja954206p Supporting Info

Direct Measurement of the Uncatalyzed Rate of Hydrolysis of a Peptide Bond Rebecca A. R. Bryant and David E. Hansen pp 5498–5499 DOI: 10.1021/ja953137b Supporting Info

Control of Dissymmetry in the Synthesis of (+)-Tjipanazole F2 Eric J. Gilbert and David L. Van Vranken pp 5500–5501 DOI: 10.1021/ja9608959 Supporting Info

A Novel Chiral Super-Lewis Acidic Catalyst for Enantioselective Synthesis Yujiro Hayashi, Jeffrey J. Rohde, and E. J. Corey pp 5502–5503 DOI: 10.1021/ja960766s Supporting Info

Direct Enzyme-Amplified Electrical Recognition of a 30-Base Model Oligonucleotide T. de Lumley-Woodyear, C. N. Campbell, and A. Heller pp 5504–5505 DOI: 10.1021/ja960490o

Synthesis, Spectroscopic Characterization, and Reactivity of Ruthenocenes Bearing Pentamagnesiated Cyclopentadienyl Ligands Kapila N. Seneviratne, Annette Bretschneider-Hurley, and Charles H. Winter pp 5506–5507 DOI: 10.1021/ja960444o Supporting Info

Cyclopentadienyl Activation via Reductive Elimination:  An Old Ligand Learns Some New Tricks William E. Crowe and An T. Vu pp 5508–5509 DOI: 10.1021/ja960887s Supporting Info

Optimized Excitation and Automation for High-Resolution NMR Using B1-Insensitive Rotation Pulses Peter C. M. van Zijl, Tsang-Lin Hwang, Mark O'Neil Johnson, and Michael Garwood pp 5510–5511 DOI: 10.1021/ja9602612

A Novel Route to Coenzyme Qn Bruce H. Lipshutz, Gerd Bulow, Richard F. Lowe, and Kirk L. Stevens pp 5512–5513 DOI: 10.1021/ja961285b Supporting Info

Formation of an i-Motif Structure by a Self-Complementary DNA Sequence J. Am. Chem. Soc. 1995, 117, 12637−12638 Shanteri Singh and R. V. Hosur p 5514 DOI: 10.1021/ja9654084

Model Calculations of Isotope Effects Using Structures Containing Low-Barrier Hydrogen Bonds J. Am. Chem. Soc. 1996, 118, 1663−1668 W. Phillip Huskey p 5514 DOI: 10.1021/ja965409w

Biotechnology, 2nd Edition, Volume 9. Enzymes, Biomass, Food, and Feed Edited by G. Reed and T. W. Nagodawithana. VCH Publishers:  Weinheim and New York. 1995. xvi + 804 pp. ISBN 3-527-28319-6. Larry G. Butler p 5514 DOI: 10.1021/ja965537k

Issue 24

Energetic Effects of Multiple Hydrogen Bonds. Implications for Enzymatic Catalysis Shu-ou Shan and Daniel Herschlag pp 5515–5518 DOI: 10.1021/ja954205x

Activated Ketones as Inhibitors of Intracellular Ca2+-Dependent and Ca2+-Independent Phospholipase A2 Kilian Conde-Frieboes, Laure J. Reynolds, Yi-Ching Lio, Michael R. Hale, Harry H. Wasserman, and Edward A. Dennis pp 5519–5525 DOI: 10.1021/ja953553w

Electrostatic and Hydrophobic Interactions during Complex Formation and Electron Transfer in the Ferredoxin/Ferredoxin:NADP+ Reductase System from Anabaena John K. Hurley, Maria F. Fillat, Carlos Gómez-Moreno, and Gordon Tollin pp 5526–5531 DOI: 10.1021/ja953662a

ATP-LipidsProtein Anchor and Energy Source in Two Dimensions Lutz Schmitt and Robert Tampé pp 5532–5543 DOI: 10.1021/ja953937m Supporting Info

Ionic Effects on the Stability and Conformation of Peptide Nucleic Acid Complexes Sebastian Tomac, Munna Sarkar, Tommi Ratilainen, Pernilla Wittung, Peter E. Nielsen, Bengt Nordén, and Astrid Gräslund pp 5544–5552 DOI: 10.1021/ja960495l

Molecular Details of the Structure of a Psorospermin−DNA Covalent/Intercalation Complex and Associated DNA Sequence Selectivity Mark Hansen, Seung-Joo Lee, John M. Cassady, and Laurence H. Hurley pp 5553–5561 DOI: 10.1021/ja960319c Supporting Info

Crystal Engineering of Stacked Aromatic Columns. Three-Dimensional Control of the Alignment of Orthogonal Aromatic Triads and Guest Quinones via Self-Assembly of Hydrogen-Bonded Networks Yasuhiro Aoyama, Ken Endo, Takashi Anzai, Yuji Yamaguchi, Tomoya Sawaki, Kenji Kobayashi, Nobuko Kanehisa, Hiroshi Hashimoto, Yasushi Kai, and Hideki Masuda pp 5562–5571 DOI: 10.1021/ja953600k Supporting Info

1,1-Dicyano-2-[6-(dimethylamino)naphthalen-2-yl]propene (DDNP):  A Solvent Polarity and Viscosity Sensitive Fluorophore for Fluorescence Microscopy A. Jacobson, A. Petric, D. Hogenkamp, A. Sinur, and J. R. Barrio pp 5572–5579 DOI: 10.1021/ja9543356

Conformational Memories and the Exploration of Biologically Relevant Peptide Conformations:  An Illustration for the Gonadotropin-Releasing Hormone Frank Guarnieri and Harel Weinstein pp 5580–5589 DOI: 10.1021/ja952745o

Guest-Assisted and Guest-Inhibited Shell Closures Provide Differently Shaped Carceplexes and Hemicarceplexes1,2 Roger C. Helgeson, Kyungsoo Paek, Carolyn B. Knobler, Emily F. Maverick, and Donald J. Cram pp 5590–5604 DOI: 10.1021/ja9602152 Supporting Info

Synthetic Modification of the Escherichia coli Chromosome:  Enhancing the Biocatalytic Conversion of Glucose into Aromatic Chemicals K. D. Snell, K. M. Draths, and J. W. Frost pp 5605–5614 DOI: 10.1021/ja9538041

Mechanism of Degradation of Purine Nucleosides by Formamide. Implications for Chemical DNA Sequencing Procedures Raffaele Saladino, Enrico Mincione, Claudia Crestini, Rodolfo Negri, Ernesto Di Mauro, and Giovanna Costanzo pp 5615–5619 DOI: 10.1021/ja953527y Supporting Info

A Unified Strategy for the Stereocontrolled Construction of Structurally Unusual Sesquiterpene Lactones. Asymmetric Synthesis of Vulgarolide and Deoxocrispolide Leo A. Paquette, Claudio F. Sturino, Xiaodong Wang, Jeremy C. Prodger, and Dongsoo Koh pp 5620–5633 DOI: 10.1021/ja960334h Supporting Info

Reactivity of Ketenes in Matrices. Direct Observation of Ketene−Pyridine Ylides Greg GuangHua Qiao, John Andraos, and Curt Wentrup pp 5634–5638 DOI: 10.1021/ja9607190

[2 + 2] Photocycloaddition of Cyclic Enones to C60 David I. Schuster, Jingrong Cao, Nikolas Kaprinidis, Yunhui Wu, Anton W. Jensen, Qingyi Lu, Hui Wang, and Stephen R. Wilson pp 5639–5647 DOI: 10.1021/ja9534009 Supporting Info

Free Radical Intermediates in the Reduction of Quinoxaline N-Oxide Antitumor Drugs:  Redox and Prototropic Reactions K. Indira Priyadarsini, Madeleine F. Dennis, Matthew A. Naylor, Michael R. L. Stratford, and Peter Wardman pp 5648–5654 DOI: 10.1021/ja953761o

Carbon−Carbon Bond Fragmentation in Aminoalcohol Radical Cations. Kinetics, Thermodynamic Correlations, and Mechanism Richard D. Burton, Michael D. Bartberger, Yin Zhang, John R. Eyler, and Kirk S. Schanze pp 5655–5664 DOI: 10.1021/ja960378q

A Solid-State NMR Study of Tungsten Methyl Group Dynamics in [W(η5-C5Me5)Me4][PF6] Douglas C. Maus, Valérie Copié, Boqin Sun, Janet M. Griffiths, Robert G. Griffin, Shifang Luo, Richard R. Schrock, Andrew H. Liu, Scott W. Seidel, William M. Davis, and Andreas Grohmann pp 5665–5671 DOI: 10.1021/ja960248h Supporting Info

Dissociative Nucleophilic Substitution of η2-Olefin Complexes via a Novel η2-Vinyl Cation Intermediate Huiyuan Chen and W. Dean Harman pp 5672–5683 DOI: 10.1021/ja960389j

Solid-State Structure of Tp‘PtMe2H, a Dimethylhydrido Platinum(IV) Complex Stacy A. O'Reilly, Peter S. White, and Joseph L. Templeton pp 5684–5689 DOI: 10.1021/ja960519o Supporting Info

Reactions of Nickel(II) 2-Aza-5,10,15,20-tetraphenyl-21- carbaporphyrin with Methyl Iodide. The First Structural Characterization of a Paramagnetic Organometallic Nickel(II) Complex Piotr J. Chmielewski, Lechosław Latos-Grażyński, and Tadeusz Głowiak pp 5690–5701 DOI: 10.1021/ja9527028 Supporting Info

Studies on the Reaction Mechanism for Reductive Nitrosylation of Ferrihemoproteins in Buffer Solutions Mikio Hoshino, Masahiro Maeda, Reiko Konishi, Hiroshi Seki, and Peter C. Ford pp 5702–5707 DOI: 10.1021/ja953311w

Dendrimer-Metalloporphyrins:  Synthesis and Catalysis P. Bhyrappa, James K. Young, Jeffrey S. Moore, and Kenneth S. Suslick pp 5708–5711 DOI: 10.1021/ja953474k

Gallium(III) Catecholate Complexes as Probes for the Kinetics and Mechanism of Inversion and Isomerization of Siderophore Complexes1 Berthold Kersting, Jason R. Telford, Michel Meyer, and Kenneth N. Raymond pp 5712–5721 DOI: 10.1021/ja953545f Supporting Info

Micromolding in Capillaries:  Applications in Materials Science Enoch Kim, Younan Xia, and George M. Whitesides pp 5722–5731 DOI: 10.1021/ja960151v

Density-Functional Study of the Geometries, Stabilities, and Bond Energies of Group III−V (13−15) Four-Membered-Ring Compounds Haihong Ni, Darrin M. York, Lee Bartolotti, Richard L. Wells, and Weitao Yang pp 5732–5736 DOI: 10.1021/ja951706+

Are Anion Radicals Nucleophiles and/or Outersphere Electron Donors? An Ab Initio Study of the Reaction of Ethylene and Formaldehyde Anion Radicals with Methyl Fluoride and Chloride Juan Bertran, Iluminada Gallardo, Miquel Moreno, and Jean-Michel Savéant pp 5737–5744 DOI: 10.1021/ja953679t Supporting Info

H2XO and (CH3)2XO Compounds (X = C, Si, Ge, Sn, Pb):  Double Bonds vs Carbene-Like StructuresCan the Metal Compounds Exist at All? Jürgen Kapp, Milan Remko, and Paul von Ragué Schleyer pp 5745–5751 DOI: 10.1021/ja953846p

Calcium Ion Coordination:  A Comparison with That of Beryllium, Magnesium, and Zinc Amy Kaufman Katz, Jenny P. Glusker, Scott A. Beebe, and Charles W. Bock pp 5752–5763 DOI: 10.1021/ja953943i Supporting Info

Stabilization of Vinyl Cations by β-Silicon:  A Quantitative Mass Spectrometric Study Wan Zhang, John A. Stone, Michael A. Brook, and Graham A. McGibbon pp 5764–5771 DOI: 10.1021/ja952796l

Multiple Quantum Magic Angle Spinning NMR Detection of Impurity Phases in Na2HfO3 J. V. Hanna, M. E. Smith, and H. J. Whitfield pp 5772–5777 DOI: 10.1021/ja960016i

FT EPR Study of the Hydrated Electron Generated by Laser Excitation of Phenothiazine in Quinone-SDS Micellar Systems Kouichi Nakagawa, Akio Katsuki, Shozo Tero-Kubota, Nobuaki Tsuchihashi, and Teizo Fujita pp 5778–5782 DOI: 10.1021/ja953490h

A Negative Activation Energy for Luminescence Decay:  Specific Solvation Effects on the Emission Properties of Bis(2,2‘-bipyridine)(3,5-dicarboxy-2,2‘-bipyridine)ruthenium(II) Chloride S. R. L. Fernando, U. S. M. Maharoof, Kurt D. Deshayes, Thomas H. Kinstle, and Michael Y. Ogawa pp 5783–5790 DOI: 10.1021/ja954015m

Fast and Efficient Charge Transport across a Lipid Bilayer Is Electronically Mediated by C70 Fullerene Aggregates Shufang Niu and David Mauzerall pp 5791–5795 DOI: 10.1021/ja9602410

Mechanistic Studies of the 5-Iodouracil Chromophore Relevant to Its Use in Nucleoprotein Photo-Cross-Linking Christopher L. Norris, Poncho L. Meisenheimer, and Tad H. Koch pp 5796–5803 DOI: 10.1021/ja9607852

Carbon Isotope Effects on kcat for Formate Dehydrogenase Determined Using a Continuous-Flow Stirred-Tank Reactor Hao Xue, Xiaowei Wu, and W. Phillip Huskey pp 5804–5805 DOI: 10.1021/ja960417y

Indirect Detection of Internuclear Dipolar Couplings in Paramagnetic Solids Hans Thomann and Marcelino Bernardo pp 5806–5807 DOI: 10.1021/ja951896o

Formation of Stable Bilayer Membranes in Binary Aqueous−Organic Media from a Dialkyl Amphiphile with a Highly Dipolar Head Group1 Nobuo Kimizuka, Tatsuo Wakiyama, Haruko Miyauchi, Takeshi Yoshimi, Maki Tokuhiro, and Toyoki Kunitake pp 5808–5809 DOI: 10.1021/ja960707e

Ship-in-Bottle Synthesis of [Pt15(CO)30]2- Encapsulated in Ordered Hexagonal Mesoporous Channels of FSM-16 and Their Effective Catalysis in Water-Gas Shift Reaction Takashi Yamamoto, Toshifumi Shido, Shinji Inagaki, Yoshiaki Fukushima, and Masaru Ichikawa pp 5810–5811 DOI: 10.1021/ja953065o

Self-Assembly of Silicotungstate Anions on Silver Surfaces Maohui Ge, Bianxiao Zhong, Walter G. Klemperer, and Andrew A. Gewirth pp 5812–5813 DOI: 10.1021/ja960498y

C2-Symmetric Copper(II) Complexes as Chiral Lewis Acids. Catalytic Enantioselective Aldol Additions of Silylketene Acetals to (Benzyloxy)acetaldehyde David A. Evans, Jerry A. Murry, and Marisa C. Kozlowski pp 5814–5815 DOI: 10.1021/ja960712i Supporting Info

Distonic Biradical Anions. Synthesis and Characterization of the 3,5-Dehydrophenyl and 1,3,5-Trimethylenebenzene Negative Ions Jun Hu and Robert R. Squires pp 5816–5817 DOI: 10.1021/ja960756r

Diastereoselective Synthesis of γ-Butyrolactones from Enones Mediated or Catalyzed by a Titanocene Complex Natasha M. Kablaoui, Frederick A. Hicks, and Stephen L. Buchwald pp 5818–5819 DOI: 10.1021/ja960953q Supporting Info

A Parallel-Stranded DNA Triplex Tethering a Hoechst 33258 Analogue Results in Complex Stabilization by Simultaneous Major Groove and Minor Groove Binding Jordi Robles, Sharanabasava B. Rajur, and Larry W. McLaughlin pp 5820–5821 DOI: 10.1021/ja9608914 Supporting Info

Synthesis and Structure of the First Chiral Tetracoordinated Aluminum Cation Norbert Emig, Régis Réau, Harald Krautscheid, Dieter Fenske, and Guy Bertrand pp 5822–5823 DOI: 10.1021/ja953700q Supporting Info

On the Reduction of Basic Iron Acetate:  Isolation of Ferrous Species Mediating Gif-Type Oxidation of Hydrocarbons Bharat Singh, Jeffrey R. Long, Georgia C. Papaefthymiou, and Pericles Stavropoulos pp 5824–5825 DOI: 10.1021/ja960529p Supporting Info

Dimolybdenum Compounds with Crosswise-Bridging Acetonitrile Molecules F. Albert Cotton and Fritz E. Kühn pp 5826–5827 DOI: 10.1021/ja954262q Supporting Info

Observation of a Partially Delocalized Allylic Lithium and the Dynamics of Its 1,3 Lithium Sigmatropic Shift Gideon Fraenkel and Fayang Qiu pp 5828–5829 DOI: 10.1021/ja960440j

Advanced Computer-Assisted Techniques in Drug Discovery, Volume 3 (Methods and Principles in Medicinal Chemistry Series) Edited by Han van de Waterbeemd (Hoffman-LaRoche AG, Switzerland). VCH:  New York. 1995. xx + 343 pp. DM168.00. ISBN 3-527-29248-9. Donald F. Weaver p 5830 DOI: 10.1021/ja955163f

Theoretical Studies of Protium/Deuterium Fractionation Factors and Cooperative Hydrogen Bonding in Peptides J. Am. Chem. Soc. 1995, 117, 9619−9624 Arthur S. Edison, Frank Weinhold, and John L. Markley p 5830 DOI: 10.1021/ja965407b

Issue 25

Artificial Sequence-Specific DNA Binding Peptides:  Branched-Chain Basic Regions Matthew Pellegrini and Richard H. Ebright pp 5831–5835 DOI: 10.1021/ja9528083

A 2,3‘-Substituted Biphenyl-Based Amino Acid Facilitates the Formation of a Monomeric β-Hairpin-like Structure in Aqueous Solution at Elevated Temperature Carey L. Nesloney and Jeffery W. Kelly pp 5836–5845 DOI: 10.1021/ja952472x

Irreversible Inhibition of the HIV-1 Protease:  Targeting Alkylating Agents to the Catalytic Aspartate Groups Zhonghua Yu, Patricia Caldera, Fiona McPhee, James J. De Voss, Patrick R. Jones, Alma L. Burlingame, Irwin D. Kuntz, Charles S. Craik, and Paul R. Ortiz de Montellano pp 5846–5856 DOI: 10.1021/ja954069w

X-ray Crystal Structure of 28-O-Methylrapamycin complexed with FKBP12:  Is the Cyclohexyl Moiety Part of the Effector Domain of Rapamycin? Joerg A. Kallen, Richard Sedrani, and Sylvain Cottens pp 5857–5861 DOI: 10.1021/ja954328h

Evidence for the Rate-Limiting Departure of the 5‘-Oxygen in Nonenzymatic and Hammerhead Ribozyme-Catalyzed Reactions De-Min Zhou, Nassim Usman, Francine E. Wincott, Jasenka Matulic-Adamic, Masaya Orita, Li-He Zhang, Makoto Komiyama, Penmetcha K. R. Kumar, and Kazunari Taira pp 5862–5866 DOI: 10.1021/ja9606790

Photochemically Induced Nuclear Spin Polarization in Bacterial Photosynthetic Reaction Centers:  Assignments of the 15N SSNMR Spectra, Martín G. Zysmilich and Ann McDermott pp 5867–5873 DOI: 10.1021/ja953422v

3D Structure of the Complex of MDL 63,246 with the Cell Wall Model Peptide Ac2-Lys-d-Ala-d-Ala Michael Kurz, Wolfgang Guba, and Bianca Patrizia Andreini pp 5874–5880 DOI: 10.1021/ja9539397 Supporting Info

Anti-Cocaine Catalytic Antibodies:  A Synthetic Approach to Improved Antibody Diversity G. Yang, J. Chun, H. Arakawa-Uramoto, X. Wang, M. A. Gawinowicz, K. Zhao, and D. W. Landry pp 5881–5890 DOI: 10.1021/ja953077+

Extending the Applicability of Native Chemical Ligation Lynne E. Canne, Steven J. Bark, and Stephen B. H. Kent pp 5891–5896 DOI: 10.1021/ja960398s

Isotopic Enrichment by Asymmetric Deuteriation. An Investigation of the Synthesis of Deuteriated (S)-(−)-Methylsuccinic Acids from Itaconic Acid David J. Hardick, Ian S. Blagbrough, and Barry V. L. Potter pp 5897–5903 DOI: 10.1021/ja950597w

Palladium-Catalyzed Carbonylative Cyclization of 1-Iodo-2-alkenylbenzenes Ei-ichi Negishi, Christophe Copéret, Shengming Ma, Takeshi Mita, Takumichi Sugihara, and James M. Tour pp 5904–5918 DOI: 10.1021/ja9533196

Palladium-Catalyzed Cyclization of 1-Iodo-Substituted 1,4-, 1,5-, and 1,6-Dienes as Well as of 5-Iodo-1,5-dienes in the Presence of Carbon Monoxide Ei-ichi Negishi, Shengming Ma, John Amanfu, Christophe Copéret, Joseph A. Miller, and James M. Tour pp 5919–5931 DOI: 10.1021/ja9533205

Influence of External Ligands and Auxiliaries on the Reactivity of Low-Valent Titanium in McMurry Reaction:  Selectivity and Mechanistic Profile N. Balu, S. K. Nayak, and A. Banerji pp 5932–5937 DOI: 10.1021/ja9535221 Supporting Info

Inhibition of Oleamide Hydrolase Catalyzed Hydrolysis of the Endogenous Sleep-Inducing Lipid cis-9-Octadecenamide Jean E. Patterson, Ian R. Ollmann, Benjamin F. Cravatt, Dale L. Boger, Chi -Huey Wong, and Richard A. Lerner pp 5938–5945 DOI: 10.1021/ja954064z

Effects of Linkage Isomerism and of Acid−Base Equilibria on Reactivity and Catalytic Turnover in Hydrolytic Cleavage of Histidyl Peptides Coordinated to Palladium(II). Identification of the Active Complex between Palladium(II) and the Histidyl Residue Tatjana N. Parac and Nenad M. Kostić pp 5946–5951 DOI: 10.1021/ja960168d

Side-Chain Fragmentation of Arylalkanol Radical Cations. Carbon−Carbon and Carbon−Hydrogen Bond Cleavage and the Role of α- and β-OH Groups Enrico Baciocchi, Massimo Bietti, Lorenza Putignani, and Steen Steenken pp 5952–5960 DOI: 10.1021/ja954236s Supporting Info

Exploring the Mechanism of Aqueous C−H Activation by Pt(II) through Model Chemistry:  Evidence for the Intermediacy of Alkylhydridoplatinum(IV) and Alkane σ-Adducts Shannon S. Stahl, Jay A. Labinger, and John E. Bercaw pp 5961–5976 DOI: 10.1021/ja960110z

Mechanistic Studies of Palladium Thin Film Growth from Palladium(II) β-Diketonates. 1. Spectroscopic Studies of the Reactions of Bis(hexafluoroacetylacetonato)palladium(II) on Copper Surfaces Wenbin Lin, Benjamin C. Wiegand, Ralph G. Nuzzo, and Gregory S. Girolami pp 5977–5987 DOI: 10.1021/ja944130h

Mechanistic Studies of Palladium Thin Film Growth from Palladium(II) β-Diketonates. 2. Kinetic Analysis of the Transmetalation Reaction of Bis(hexafluoroacetylacetonato)palladium(II) on Copper Surfaces Wenbin Lin, Ralph G. Nuzzo, and Gregory S. Girolami pp 5988–5996 DOI: 10.1021/ja944131+

Activation of Silane by W+ in the Gas Phase:  Fourier-Transform Ion Cyclotron Resonance and ab Initio Theoretical Studies A. Ferhati, T. B. McMahon, and G. Ohanessian pp 5997–6009 DOI: 10.1021/ja952221o

Gas-Phase Molecular, Molecular Pair, and Molecular Triplet Fe+ Affinities of Pyridines Shuguang Ma, Philip Wong, Sheng Sheng Yang, and R. Graham Cooks pp 6010–6019 DOI: 10.1021/ja954167h

Valence Bond Concepts Applied to the Molecular Mechanics Description of Molecular Shapes. 2. Applications to Hypervalent Molecules of the P-Block Thomas Cleveland and Clark R. Landis pp 6020–6030 DOI: 10.1021/ja9506521 Supporting Info

Racemization Barriers of Helicenes:  A Computational Study1 Roland H. Janke, Günter Haufe, Ernst-Ulrich Würthwein, and Jan Hendrik Borkent pp 6031–6035 DOI: 10.1021/ja950774t Supporting Info

Density Functional Theory Prediction of the Relative Energies and Isotope Effects for the Concerted and Stepwise Mechanisms of the Diels−Alder Reaction of Butadiene and Ethylene E. Goldstein, Brett Beno, and K. N. Houk pp 6036–6043 DOI: 10.1021/ja9601494 Supporting Info

Computer Simulations of the Solvent Dependence of Apolar Association Strength:  Gibbs Free Energy Calculations on a Cyclophane−Pyrene Complex in Water and Chloroform Tiziana Z. Mordasini Denti, Wilfred F. van Gunsteren, and François Diederich pp 6044–6051 DOI: 10.1021/ja960420h Supporting Info

An Ab Initio Investigation of the Structure and Alkaline Earth Divalent Cation Selectivity of 18-Crown-6 Eric D. Glendening and David Feller pp 6052–6059 DOI: 10.1021/ja960469n

Bimolecular Electron Transfer in the Marcus Inverted Region Claudia Turró, Jeffrey M. Zaleski, Yanna M. Karabatsos, and Daniel G. Nocera pp 6060–6067 DOI: 10.1021/ja960575p

Methane Metathesis at a Cationic Iridium Center Douglas L. Strout, Snežana Zarić, Shuqiang Niu, and Michael B. Hall pp 6068–6069 DOI: 10.1021/ja961057h

Solid-Phase Unnatural Peptide Synthesis (UPS) Martin J. O'Donnell, Changyou Zhou, and William L. Scott pp 6070–6071 DOI: 10.1021/ja9601245 Supporting Info

Ambident Reactivity of Enolate Ions toward 1,3,5-Trinitrobenzene. The First Observation of an Oxygen-Bonded Enolate Meisenheimer Complex Erwin Buncel, Julian M. Dust, and Richard A. Manderville pp 6072–6073 DOI: 10.1021/ja960590u

Solution Structure of 2-[(Dimethylamino)methyl]phenyllithium1 Hans J. Reich and Birgir Ö. Gudmundsson pp 6074–6075 DOI: 10.1021/ja960677f Supporting Info

Allylmagnesation and Diallylation of Acetylenic Compounds Catalyzed by Manganese Salts Kenji Okada, Koichiro Oshima, and Kiitiro Utimoto pp 6076–6077 DOI: 10.1021/ja960791y Supporting Info

Antibody-Catalyzed Retro-Aldol Reaction Mark E. Flanagan, John R. Jacobsen, Elizabeth Sweet, and Peter G. Schultz pp 6078–6079 DOI: 10.1021/ja954221u

The Interrupted Pauson−Khand Reaction M. E. Krafft, A. M. Wilson, O. A. Dasse, B. Shao, Y. Y. Cheung, Z. Fu, L. V. R. Bonaga, and M. K. Mollman pp 6080–6081 DOI: 10.1021/ja9606541 Supporting Info

Stereochemical Control in Metalloporphyrin Chemistry:  Synthesis and Characterization of cis- and trans-Sn(porphyrin)Ph2 Denisha Y. Dawson, Joan C. Sangalang, and John Arnold pp 6082–6083 DOI: 10.1021/ja961007c Supporting Info

Synthesis and Structure of a Trigonal Monopyramidal Fe(II) Complex and Its Paramagnetic Carbon Monoxide Derivative Manabendra Ray, Adina P. Golombek, Michael P. Hendrich, Victor G. Young, Jr., and A. S. Borovik pp 6084–6085 DOI: 10.1021/ja960036k Supporting Info

Interfacial Hydrogen Bonding. Self-Assembly of a Monolayer of a Fullerene−Crown Ether Derivative on Gold Surfaces Derivatized with an Ammonium-Terminated Alkanethiolate Francisco Arias, Luis A. Godínez, Stephen R. Wilson, Angel E. Kaifer, and Luis Echegoyen pp 6086–6087 DOI: 10.1021/ja960445g Supporting Info

Prompt and Delayed Photoejection of Electrons in Aqueous Solution Kenneth L. StevensonAttila Horváth pp 6088–6089 DOI: 10.1021/ja960863l

Intramolecular C−H Insertion Reactions of Boroxy Fischer Carbene Complexes José Barluenga, Félix Rodríguez, Jérôme Vadecard, Maximilian Bendix, Francisco J. Fañanás, and Fernando López-Ortiz pp 6090–6091 DOI: 10.1021/ja954327p Supporting Info

Thermoresponsive Polymer-Bound Substrates David E. Bergbreiter and John W. Caraway pp 6092–6093 DOI: 10.1021/ja954065r

Transition Metal-Promoted Three-Component Triene/Alkyne Cycloaddition. Facile Construction of a Novel Polycyclic Ring System James H. Rigby, Namal C. Warshakoon, and Mary Jane Heeg pp 6094–6095 DOI: 10.1021/ja9609516 Supporting Info

Synthesis of the Polycyclopropane Antibiotic FR-900848 via the Horeau Gambit J. R. Falck, Belew Mekonnen, Jurong Yu, and Jing-Yu Lai pp 6096–6097 DOI: 10.1021/ja961093g Supporting Info

Polymer Science and Technology By Joel R. Fried (University of Cincinnati). Prentice Hall:  New Jersey. 1995. xiii + 509 pp. ISBN 0-13-685561-X. Peter J. Ludovice p 6098 DOI: 10.1021/ja955307q

Optical Properties of Metal Clusters By Uwe Kreibig (I. Physikalisches Inst. der RWTH Aachen, Gmermany) and Michael Vollmer (Technische Physik Brandenburg, Germany). Springer:  New York. 1994. xvii + 532 pp. $69.00. ISBN 0-387-57836-6. Zhi Xu p 6098 DOI: 10.1021/ja955378p

Symmetry and Structure Readable Group Theory for Chemists, 2nd Edition By S. F. A. Kettle (University of East Anglia, England). Wiley:  New York. 1995. xii + 416 pp. $39.95. ISBN 0-471-95476-4. p 6098 DOI: 10.1021/ja9553866

Operator Algebraic Methods in Quantum Field Theory:  A Series of Lectures Edited by Hellmut Baumgartel (University of Potsdam, FRG). VCH:  New York. 1995. 228 pp. $48.00. ISBN 3-05-501655-6. p 6098 DOI: 10.1021/ja955389i

Structure and Bonding 83:  Iron-Sulphur Proteins/Perovskites By I. Bertini, S. Ciurli, C. Luchinat, and W. J. A. Maaskant. Springer: New York. 1995. 100 pp. $78.00. ISBN 3-540-59105-2. p 6098 DOI: 10.1021/ja955395e

Issue 26

JACS on the Internet pp 6099–6100 DOI: 10.1021/ja9654995

Sialyl Lewis x Liposomes as a Multivalent Ligand and Inhibitor of E-Selectin Mediated Cellular Adhesion Shawn A DeFrees, Laurie Phillips, Luke Guo, and Samuel Zalipsky pp 6101–6104 DOI: 10.1021/ja954122g Supporting Info

Rates of Uncatalyzed Peptide Bond Hydrolysis in Neutral Solution and the Transition State Affinities of Proteases Anna Radzicka and Richard Wolfenden pp 6105–6109 DOI: 10.1021/ja954077c

Macromolecular Complexation between Bovine Serum Albumin and the Self-Assembled Hydrogel Nanoparticle of Hydrophobized Polysaccharides Takehiro Nishikawa, Kazunari Akiyoshi, and Junzo Sunamoto pp 6110–6115 DOI: 10.1021/ja953843c

Template-Directed Interference Footprinting of Protein−Adenine Contacts Changhee Min, Timothy D. Cushing, and Gregory L. Verdine pp 6116–6120 DOI: 10.1021/ja953658z

Ligation of Triangles Built from Bulged 3-Arm DNA Branched Junctions Jing Qi, Xiaojun Li, Xiaoping Yang, and Nadrian C. Seeman pp 6121–6130 DOI: 10.1021/ja960161w

Antiparallel DNA Double Crossover Molecules As Components for Nanoconstruction Xiaojun Li, Xiaoping Yang, Jing Qi, and Nadrian C. Seeman pp 6131–6140 DOI: 10.1021/ja960162o

Solid Phase Synthesis of Polyamides Containing Imidazole and Pyrrole Amino Acids Eldon E. Baird and Peter B. Dervan pp 6141–6146 DOI: 10.1021/ja960720z Supporting Info

Optimization of the Hairpin Polyamide Design for Recognition of the Minor Groove of DNA Michelle E. Parks, Eldon E. Baird, and Peter B. Dervan pp 6147–6152 DOI: 10.1021/ja960721r

Recognition of 5‘-(A,T)GG(A,T)2-3‘ Sequences in the Minor Groove of DNA by Hairpin Polyamides Michelle E. Parks, Eldon E. Baird, and Peter B. Dervan pp 6153–6159 DOI: 10.1021/ja9607289

Extension of Sequence-Specific Recognition in the Minor Groove of DNA by Pyrrole−Imidazole Polyamides to 9−13 Base Pairs John W. Trauger, Eldon E. Baird, Milan Mrksich, and Peter B. Dervan pp 6160–6166 DOI: 10.1021/ja960726o

Geometric Requirements for Hydrogen Abstractability and 1,4-Biradical Reactivity in the Norrish/Yang Type II Reaction:  Studies Based on the Solid State Photochemistry and X-ray Crystallography of Medium-Sized Ring and Macrocyclic Diketones Anna D. Gudmundsdottir, Thillairaj J. Lewis, Leslie H. Randall, John R. Scheffer, Steven J. Rettig, James Trotter, and Chung-Hsi Wu pp 6167–6184 DOI: 10.1021/ja953420a Supporting Info

Novel Bacteriorhodopsin Analogues Based on Azo Chromophores Anil K. Singh, Joydip Das, and Nirmalya Majumdar pp 6185–6191 DOI: 10.1021/ja954286x

Triplet-Sensitized Photorearrangements of 2-Phenylallyl Phosphites Wesley G. Bentrude, Kevin P. Dockery, Srinivasan Ganapathy, Sueg-Geun Lee, Michael Tabet, Yuh-Wern Wu, R. Thomas Cambron, and Joel M. Harris pp 6192–6201 DOI: 10.1021/ja960428r Supporting Info

Callipeltin A, an Anti-HIV Cyclic Depsipeptide from the New Caledonian Lithistida Sponge Callipelta sp. Angela Zampella, M. Valeria D'Auria, Luigi Gomez Paloma, Agostino Casapullo, Luigi Minale, Cécile Debitus, and Yvette Henin pp 6202–6209 DOI: 10.1021/ja954287p Supporting Info

The First Asymmetric Total Syntheses of (+)-Lycorine and (+)-1-Deoxylycorine Arthur G. Schultz, Mark A. Holoboski, and Mark S. Smyth pp 6210–6219 DOI: 10.1021/ja9606440 Supporting Info

Structures and Reactivities of Ethylene Dication Electrophiles Tomohiko Ohwada, Takahisa Yamazaki, Takayoshi Suzuki, Shinichi Saito, and Koichi Shudo pp 6220–6224 DOI: 10.1021/ja953623z

Mechanistic Studies of Catalytic Olefin Dimerization Reactions Using Electrophilic η3-Allyl−Palladium(II) Complexes Geraldine M. DiRenzo, Peter. S. White, and Maurice Brookhart pp 6225–6234 DOI: 10.1021/ja9602354 Supporting Info

Photoscissable Hydrogel Synthesis via Rapid Photopolymerization of Novel PEG-Based Polymers in the Absence of Photoinitiators Fotios M. Andreopoulos, Christopher R. Deible, Mark T. Stauffer, Stephen G. Weber, William R. Wagner, Eric J. Beckman, and Alan J. Russell pp 6235–6240 DOI: 10.1021/ja954117c

Medium Effects on the Rates of Stereomutation of a Pair of Diastereomeric Cyclopropanones. Ground State Stabilization in Nucleophilic Solvents Induces Deviation from Solvent Polarity Controlled Behavior Matthew H. J. Cordes and Jerome A. Berson pp 6241–6251 DOI: 10.1021/ja960481f Supporting Info

Secondary Interactions Affecting the Dissociation Patterns of Arginine-Containing Peptide Ions Richard W. Vachet, Michael R. Asam, and Gary L. Glish pp 6252–6256 DOI: 10.1021/ja9531034

Femtosecond Isomerization of Crystal Violet in Alcohols Yoshihiro Maruyama, Mitsuru Ishikawa, and Hiroshi Satozono pp 6257–6263 DOI: 10.1021/ja960024z

Magnetic Field Dependence of Nitrogen−Proton J Splittings in 15N-Enriched Human Ubiquitin Resulting from Relaxation Interference and Residual Dipolar Coupling Nico Tjandra, Stephan Grzesiek, and Ad Bax pp 6264–6272 DOI: 10.1021/ja960106n Supporting Info

Gas-Phase Non-Identity SN2 Reactions of Halide Anions with Methyl Halides:  A High-Level Computational Study Mikhail N. Glukhovtsev, Addy Pross, and Leo Radom pp 6273–6284 DOI: 10.1021/ja953665n Supporting Info

Free Energies of Transfer of Trp Analogs from Chloroform to Water:  Comparison of Theory and Experiment and the Importance of Adequate Treatment of Electrostatic and Internal Interactions Xavier Daura, Philippe H. Hünenberger, Alan E. Mark, Enrique Querol, Francesc X. Avilés, and Wilfred F. van Gunsteren pp 6285–6294 DOI: 10.1021/ja9537944

Use of Deuterium Kinetic Isotope Effects To Probe the Cryptoregiochemistry of Δ9 Desaturation Peter H. Buist and Behnaz Behrouzian pp 6295–6296 DOI: 10.1021/ja953262n

On Asymmetric Induction in Allylic Alkylation via Enantiotopic Facial Discrimination Barry M. Trost, Michael J. Krische, Rumen Radinov, and Giuseppe Zanoni pp 6297–6298 DOI: 10.1021/ja960649x Supporting Info

Water-Catalyzed Interconversion of Conventional and Distonic Radical Cations:  Methanol and Methyleneoxonium Radical Cations James W. Gauld, Henri Audier, Jacques Fossey, and Leo Radom pp 6299–6300 DOI: 10.1021/ja960924f

Modulation of Tetraplex Formation by Chemical Modifications of a G4-Containing Phosphorothioate Oligonucleotide Jia Liu Wolfe and John Goodchild pp 6301–6302 DOI: 10.1021/ja960846w

Electrochemically Controlled Adhesion in Atomic Force Spectroscopy James E. Hudson and Hèctor D. Abruña pp 6303–6304 DOI: 10.1021/ja953876s

A New Palladium-Catalyzed Addition:  A Mild Method for the Synthesis of Coumarins Barry M. Trost and F. Dean Toste pp 6305–6306 DOI: 10.1021/ja961107i

[Hydrotris(1,2,4-triazolyl)borato]silver(I):  Structure and Optical Properties of a Coordination Polymer Constructed from a Modified Poly(pyrazolyl)borate Ligand Christoph Janiak, Tobias G. Scharmann, Peter Albrecht, Frank Marlow, and Rainer Macdonald pp 6307–6308 DOI: 10.1021/ja960530o Supporting Info

Ti8C12:  Barrierless Transformation of the Th Isomer to the Td Isomer Ian Dance pp 6309–6310 DOI: 10.1021/ja9608196

Efficient Photochemical Oxygenation of Cyclohexene with Water as an Oxygen Donor Sensitized by Dimethoxy-Coordinated Tetraphenylporphyrinatoantimony(V) Tsutomu Shiragami, Kyouichi Kubomura, Daisuke Ishibashi, and Haruo Inoue pp 6311–6312 DOI: 10.1021/ja960020u

Charge Localization in a Dihydrazine Analogue of Tetramethyl-p-phenylenediamine Radical Cation Stephen F. Nelsen, Rustem F. Ismagilov, and Douglas R. Powell pp 6313–6314 DOI: 10.1021/ja960500l Supporting Info

A Novel and Perfectly Aligned Highly Electro−Optic Organic Cocrystal of a Merocyanine Dye and 2,4-Dihydroxybenzaldehyde Feng Pan, Man Shing Wong, Volker Gramlich, Christian Bosshard, and Peter Günter pp 6315–6316 DOI: 10.1021/ja961087k Supporting Info

Nucleus-Independent Chemical Shifts:  A Simple and Efficient Aromaticity Probe Paul von Ragué Schleyer, Christoph Maerker, Alk Dransfeld, Haijun Jiao, and Nicolaas J. R. van Eikema Hommes pp 6317–6318 DOI: 10.1021/ja960582d

Polyhydroxybutyrate Synthase:  Evidence for Covalent Catalysis J. Wodzinska, K. D. Snell, A. Rhomberg, A. J. Sinskey, K. Biemann, and J. Stubbe pp 6319–6320 DOI: 10.1021/ja961108a

Distinguishing between Closely Related Protein Kinases:  A Variation on the Bisubstrate Inhibitor Theme Xiongwei Yan and David S. LawrenceJackie D. Corbin and Sharron H. Francis pp 6321–6322 DOI: 10.1021/ja9609213

Antihydrophobic Cosolvent Effects Detect Two Different Geometries for an SN2 Displacement and the Change to a Single-Electron-Transfer Mechanism in Related Cases Ronald Breslow and Richard Connors pp 6323–6324 DOI: 10.1021/ja960868i Supporting Info

Role of Electronic Asymmetry in the Design of New Ligands:  The Asymmetric Hydrocyanation Reaction T. V. RajanBabu and Albert L. Casalnuovo pp 6325–6326 DOI: 10.1021/ja9609112 Supporting Info

Prediction of Vibrational Circular Dichroism Spectra Using Density Functional Theory:  Camphor and Fenchone F. J. Devlin, P. J. Stephens, J. R. Cheeseman, and M. J. Frisch pp 6327–6328 DOI: 10.1021/ja961219+

Nucleophilic Aromatic Substitution Reactions of Borabenzene-Trimethylphosphine:  A Versatile Route to 1-Substituted Boratabenzenes Shuang Qiao, Diego A. Hoic, and Gregory C. Fu pp 6329–6330 DOI: 10.1021/ja960938l Supporting Info

Synthesis of Tetrasubstituted Ethylenes on Solid Support via Resin Capture S. David Brown and Robert W. Armstrong pp 6331–6332 DOI: 10.1021/ja961203j Supporting Info

Interligand Hypervalent Interaction in the Bis(silyl) Hydride Derivatives of Niobocene J. Am. Chem. Soc. 1995, 117, 10133 Georgii I. Nikonov, Ludmila G. Kuzmina, Dmitry A. Lemenovskii, and Vasily V. Kotov p 6333 DOI: 10.1021/ja965412f

Ferrocenes−Homogeneous Catalysis−Organic Synthesis−Materials Science Edited by A. Togni (ETH, Switzerland) and T. Hayashi (Kyoto University, Japan). VCH:  New York. 1994. xix + 540 pp. $145.00. ISBN 3-527-29048-6. Robert S. Bly pp 6333–6334 DOI: 10.1021/ja9551695

Issue 27

The Macrobicyclic Cryptate Effect in the Gas Phase Qizhu Chen, Kevin Cannell, Jeremy Nicoll, and David V. Dearden pp 6335–6344 DOI: 10.1021/ja953460e

Chiral Discrimination in DNA−Peptide Interactions Involving Chiral DNA Mesophases:  A Geometric Analysis Ziv Reich, Oded Schramm, Vlad Brumfeld, and Abraham Minsky pp 6345–6349 DOI: 10.1021/ja9600237

Using Incoming Group 11C/14C Kinetic Isotope Effects To Model the Transition States for the SN2 Reactions between Para-Substituted Benzyl Chlorides and Labeled Cyanide Ion O. Matsson, J. Persson, B. S. Axelsson, B. Långström, Y. Fang, and K. C. Westaway pp 6350–6354 DOI: 10.1021/ja951998e

Structural Features of Tetraazathiapentalenes Fused with Pyrimidine and/or Pyridine Rings. Experimental Evaluation of the Nature of Hypervalent N−S−N Bond by Restricted Internal Rotation of the Pyrimidine Ring Katsuo Ohkata, Minoru Ohsugi, Kazuhiro Yamamoto, Mika Ohsawa, and Kin-ya Akiba pp 6355–6369 DOI: 10.1021/ja952591c Supporting Info

Aminodimethylalane (Me2AlNH2):  Matrix Isolation and ab Initio Calculations Jens Müller pp 6370–6376 DOI: 10.1021/ja953105o

Investigation of the Proton-Assisted Pathway to Formation of the Catalytically Active, Ferryl Species of P450s by Molecular Dynamics Studies of P450eryF Danni L. Harris and Gilda H. Loew pp 6377–6387 DOI: 10.1021/ja954101m Supporting Info

Synthesis, Characterization, and 1H NMR Self-Diffusion Studies of Dendritic Aliphatic Polyesters Based on 2,2-Bis(hydroxymethyl)propionic Acid and 1,1,1-Tris(hydroxyphenyl)ethane Henrik Ihre, Anders Hult, and Erik Söderlind pp 6388–6395 DOI: 10.1021/ja954171t

Generation of Oxozirconocene Complexes from the Reaction of Cp2(THF)ZrN-t-Bu with Organic and Metal Carbonyl Functionalities:  Apparently Divergent Behavior of Transient [Cp2ZrO] Sun Yeoul Lee and Robert G. Bergman pp 6396–6406 DOI: 10.1021/ja954050t Supporting Info

New Synthetic Routes to Azacarborane Clusters:  Nitrile Insertion Reactions of nido-5,6-C2B8H11- and nido-B10H13- Andrew E. Wille, Kai Su, Patrick J. Carroll, and Larry G. Sneddon pp 6407–6421 DOI: 10.1021/ja960787m Supporting Info

Characterization of Chemical Bonds in Bimetallic Cyanides Using X-ray Absorption Spectroscopy at L2,3 Edges M.-A. Arrio, Ph. Sainctavit, Ch. Cartier dit Moulin, T. Mallah, M. Verdaguer, E. Pellegrin, and C. T. Chen pp 6422–6427 DOI: 10.1021/ja9542698

Crossover between Three-Dimensional Antiferromagnetic and Ferromagnetic States in Co(II)Cu(II) Ferrimagnetic Chain Compounds. A New Molecular-Based Magnet with Tc = 38 K and a Coercive Field of 5.66 × 103 Oe Scott Turner, Olivier Kahn, and Louis Rabardel pp 6428–6432 DOI: 10.1021/ja960368p

Cyclopropenation and Related Reactions of Ruthenium Vinylidene Complexes Pei-Chen Ting, Ying-Chih Lin, Gene-Hsiang Lee, Ming-Chu Cheng, and Yu Wang pp 6433–6444 DOI: 10.1021/ja960001k Supporting Info

In-Situ Imaging of Ionic Crystal Dissolution Using an Integrated Electrochemical/AFM Probe Julie V. Macpherson, Patrick R. Unwin, Andrew C. Hillier, and Allen J. Bard pp 6445–6452 DOI: 10.1021/ja960842r

Influence of Chain Length and Derivatization on the Lowest Singlet and Triplet States and Intersystem Crossing in Oligothiophenes D. Beljonne, J. Cornil, R. H. Friend, R. A. J. Janssen, and J. L. Brédas pp 6453–6461 DOI: 10.1021/ja9531135 Supporting Info

Transition State of the Base-Promoted Ring-Opening of Isoxazoles. Theoretical Prediction of Catalytic Functionalities and Design of Haptens for Antibody Production Jim Na, K. N. Houk, and Donald Hilvert pp 6462–6471 DOI: 10.1021/ja953550j

The Extraordinary Electronic Structure of N2S2 J. Gerratt, S. J. McNicholas, P. B. Karadakov, M. Sironi, M. Raimondi, and D. L. Cooper pp 6472–6476 DOI: 10.1021/ja953994f

Reaction Mechanism of Monoacyl- and Bisacylphosphine Oxide Photoinitiators Studied by 31P-, 13C-, and 1H-CIDNP and ESR Urszula Kolczak, Günther Rist, Kurt Dietliker, and Jakob Wirz pp 6477–6489 DOI: 10.1021/ja9534213 Supporting Info

Solvation and Dynamics of Chymotrypsin in Hexane S. Toba, David S. Hartsough, and Kenneth M. Merz, Jr. pp 6490–6498 DOI: 10.1021/ja960153f

Dispensing Surfactants from Electrodes:  Marangoni Phenomenon at the Surface of Aqueous Solutions of (11-Ferrocenylundecyl)trimethylammonium Bromide Doyle E. Bennett, Benedict S. Gallardo, and Nicholas L. Abbott pp 6499–6505 DOI: 10.1021/ja960902t

Synthesis and Structure of the Polyhedral [μ-B20H17OH]2- Borane Anion Containing Both Oxygen- and Hydrogen-Bridge Bonds Fangbiao Li, Kenneth Shelly, Robert R. Kane, Carolyn B. Knobler, and M. Frederick Hawthorne pp 6506–6507 DOI: 10.1021/ja961385h Supporting Info

Dimesitylketone O-Oxide:  First NMR Spectroscopic Characterization of a Carbonyl O-Oxide Wolfram Sander, Andreas Kirschfeld, Wilhelm Kappert, Sengodagounder Muthusamy, and Michael Kiselewsky pp 6508–6509 DOI: 10.1021/ja960817l

P1−S1 Interactions Control the Enantioselectivity and Hydrolytic Activity of the Norleucine Phenylesterase Catalytic Antibody 17E8 Herschel Wade and Thomas S. Scanlan pp 6510–6511 DOI: 10.1021/ja9605329

Biased Diffusion, Optical Trapping, and Manipulation of Single Molecules in Solution Daniel T. Chiu and Richard N. Zare pp 6512–6513 DOI: 10.1021/ja960978p

A Fluorescent Zinc Probe Based on Metal-Induced Peptide Folding Hilary Arnold Godwin and Jeremy M. Berg pp 6514–6515 DOI: 10.1021/ja961184d Supporting Info

Gas-Phase Basicity and Heat of Formation of Sulfine CH2SO G. Bouchoux and J. Y. Salpin pp 6516–6517 DOI: 10.1021/ja9610601

Ketene Is a Dienophile for [4 + 2] (Diels−Alder) Reactions across Its CO Bond1 Shinichi Yamabe and Tatsuo DaiTsutomu MinatoTakahisa Machiguchi and Toshio Hasegawa pp 6518–6519 DOI: 10.1021/ja960083c Supporting Info

On the Question of Asymmetric Induction with Acyclic Allylic Substrates. An Asymmetric Synthesis of (+)-Polyoxamic Acid Barry M. Trost, A. Chris Krueger, Richard C. Bunt, and Jorge Zambrano pp 6520–6521 DOI: 10.1021/ja961061t Supporting Info

Triazole Photonucleases:  A New Family of Light Activatable DNA Cleaving Agents Paul A. Wender, Sofia M. Touami, Carole Alayrac, and Ulrich C. Philipp pp 6522–6523 DOI: 10.1021/ja960647c

Formation of μ2,η2-Diaminoethylene (H2NCCNH2) from Cyanogen (C2N2) and Hydrogen on Pt(111):  Characterization of a Diiminium Surface Species P. Mills, D. Jentz, H. Celio, and M. Trenary pp 6524–6525 DOI: 10.1021/ja960957v

The Significant Electronic Effect of the Imido Alkyl Substituent in d0 Group 5 Imido Compounds Observed by Luminescence in Fluid Solution at Room Temperature Darryl S. Williams, David W. Thompson, and Andrey V. Korolev pp 6526–6527 DOI: 10.1021/ja954343m Supporting Info

cis-Hydroxyplatination of Diethyl Maleate:  Modeling the Intermediates in a Catalytic Alkene-Hydration Cycle with Organoplatinum(II)−Hydroxo Complexes J. Am. Chem. Soc. 1995, 117, 8335−8340 Martin A. Bennett, Hong Jin, Sihai Li, Louis M. Rendina, and Anthony C. Willis p 6528 DOI: 10.1021/ja965411n

Particle-Induced X-Ray Emission Spectrometry (PIXE) Edited by Sven A. E. Johansson (Sweden), John L. Campbell (Canada), and Klas G. Malmqvist (Sweden). Wiley & Sons:  New York. 1995. xxiii + 451 pp. $79.95. ISBN 0-471-58944-6. Gene S. Hall pp 6528–6529 DOI: 10.1021/ja955314e

Pesticide Properties in the Environment By Arthur G. Hornsby (University of Florida), R. Don Wauchope (USDA-ARS), and Albert E. Herner (USDA-ARS). Springer:  New York. 1995. viii + 227 pp. $49.00. ISBN 0-387-94353-6. p 6529 DOI: 10.1021/ja965558e

Electron Transfer and Radical Processes in Transition-Metal Chemistry By Didier Astruc (University of Bordeaux). VCH:  New York. 1995. xxi + 630 pp. $140.00. ISBN 1-56081-642-2. Jay K. Kochi pp 6529–6530 DOI: 10.1021/ja955196v

Advances in Biochemical Engineering/Biotechnology. Volume 53. Downstream Processing Biosurfactants/Carotenoids Edited by A. Fiechter (Institut Biotechnolgie, Eidgenossche Technische Hochschule) Springer:  New York. 1996. ix + 190 pp. $135.0.00. ISBN 3-540-59308-X. Sung-Chyr Lin p 6530 DOI: 10.1021/ja965531v

Issue 28

Solution Structures of i to i + 3 Cyclized Model Peptides:  Building Blocks Mimicking Specific Conformations Hanumantha Rao Marepalli, Octavian Antohi, Jeffrey M. Becker, and Fred Naider pp 6531–6539 DOI: 10.1021/ja954217i Supporting Info

Isotope-Edited Infrared Linear Dichroism:  Determination of Amide Orientational Relationships Todd S. Anderson, John Hellgeth, and Peter T. Lansbury, Jr. pp 6540–6546 DOI: 10.1021/ja960569t

Regiochemical Variations in Reactions of Methylcubane with tert-Butoxyl Radical, Cytochrome P-450 Enzymes, and a Methane Monooxygenase System Seung-Yong Choi, Philip E. Eaton, Paul F. Hollenberg, Katherine E. Liu, Stephen J. Lippard, Martin Newcomb, David A. Putt, Subhash P. Upadhyaya, and Yusheng Xiong pp 6547–6555 DOI: 10.1021/ja952226l

Copper−Zinc Superoxide Dismutase:  Why Not pH-Dependent? Lisa M. Ellerby, Diane E. Cabelli, Janet A. Graden, and Joan Selverstone Valentine pp 6556–6561 DOI: 10.1021/ja953845x

Secondary Deuterium Isotope Effects for Enolization Reactions William C. Alston II, Kari Haley, Ryszard Kanski, Christopher J. Murray, and Julianto Pranata pp 6562–6569 DOI: 10.1021/ja942053k Supporting Info

Assignment of 15N, 13Cα, 13Cβ, and HN Resonances in an 15N,13C,2H Labeled 64 kDa Trp Repressor−Operator Complex Using Triple-Resonance NMR Spectroscopy and 2H-Decoupling Xi Shan, Kevin H. Gardner, D. R. Muhandiram, N. S. Rao, Cheryl H. Arrowsmith, and Lewis E. Kay pp 6570–6579 DOI: 10.1021/ja960627a

Mechanism of Unassisted Ion Transport across Membrane Bilayers Michael A. Wilson and Andrew Pohorille pp 6580–6587 DOI: 10.1021/ja9540381

Further Studies on the Buffer-Catalyzed Cleavage and Isomerization of Uridyluridine. Medium and Ionic Strength Effects on Catalysis by Morpholine, Imidazole, and Acetate Buffers Help Clarify the Mechanisms Involved and Their Relationship to the Mechanism Used by the Enzyme Ribonuclease and by a Ribonuclease Mimic Ronald Breslow, Steven D. Dong, Yael Webb, and Ruo Xu pp 6588–6600 DOI: 10.1021/ja9526933 Supporting Info

Goodness of Fit in Complexes between Substrates and Ribonuclease Mimics:  Effects on Binding, Catalytic Rate Constants, and Regiochemistry Ronald Breslow and Carsten Schmuck pp 6601–6605 DOI: 10.1021/ja954307n

Hydrolysis of Thymidine Boranomonophosphate and Stepwise Deuterium Substitution of the Borane Hydrogens. 31P and 11B NMR Studies Hong Li, Charles Hardin, and Barbara Ramsay Shaw pp 6606–6614 DOI: 10.1021/ja9540280

Nanoscale Supramolecular Structures in the Gels of Poly(Diallyldimethylammonium Chloride) Interacting with Sodium Dodecyl Sulfate Fengji Yeh, Eugene L. Sokolov, Alexei R. Khokhlov, and Benjamin Chu pp 6615–6618 DOI: 10.1021/ja960298m

Quantitative Model of the Enhancement of Peroxidase-Induced Luminol Luminescence Patricia M. Easton, Adrian C. Simmonds, Askar Rakishev, Alexey M. Egorov, and Luis P. Candeias pp 6619–6624 DOI: 10.1021/ja9605073

A New Catalyst for a Pd Catalyzed Alder Ene Reaction. A Total Synthesis of (+)-Cassiol Barry M. Trost and Yong Li pp 6625–6633 DOI: 10.1021/ja960642f

Tandem Ring Opening−Ring Closing Metathesis of Cyclic Olefins William J. Zuercher, Masakazu Hashimoto, and Robert H. Grubbs pp 6634–6640 DOI: 10.1021/ja9606743 Supporting Info

Palladium- and Platinum-Catalyzed Addition of Aldehydes and Imines with Allylstannanes. Chemoselective Allylation of Imines in the Presence of Aldehydes Hiroyuki Nakamura, Hideki Iwama, and Yoshinori Yamamoto pp 6641–6647 DOI: 10.1021/ja9608858

Asymmetric Synthesis of Nucleosides via Molybdenum-Catalyzed Alkynol Cycloisomerization Coupled with Stereoselective Glycosylations of Deoxyfuranose Glycals and 3-Amidofuranose Glycals Frank E. McDonald and Mark M. Gleason pp 6648–6659 DOI: 10.1021/ja960581l Supporting Info

The Cyclohexadienyl Radical in the Thermal Syn−Anti Isomerization of Two Crossed Pentaenes of the Type of Bis-Homofulvalene W. von E. Doering, Ludmila Birladeanu, Keshab Sarma, and Li-Sming Shao pp 6660–6665 DOI: 10.1021/ja953416z Supporting Info

The β-(Phosphatoxy)alkyl Radical Rearrangement. Rate Constants, Arrhenius Parameters, and Structure Activity Relationships David Crich and Xian-Yun Jiao pp 6666–6670 DOI: 10.1021/ja961275a

β-Tetraethyl-β‘-tetrapyridin-4-yl Porphyrins, Their N-Methylated Tetracations, and Heterodimers with ms-Tetraphenylsulfonato Porphyrins Claus Endisch, Jürgen-Hinrich Fuhrhop, Jürgen Buschmann, Peter Luger, and Ulrich Siggel pp 6671–6680 DOI: 10.1021/ja954082g Supporting Info

Lanthanide Podates with Predetermined Structural and Photophysical Properties:  Strongly Luminescent Self-Assembled Heterodinuclear d−f Complexes with a Segmental Ligand Containing Heterocyclic Imines and Carboxamide Binding Units Claude Piguet, Jean-Claude G. Bünzli, Gérald Bernardinelli, Gérard Hopfgartner, Stéphane Petoud, and Olivier Schaad pp 6681–6697 DOI: 10.1021/ja954163c Supporting Info

Synthesis of η3-Propargyl Rhenium Complexes Charles P. Casey, Anthony D. Selmeczy, John R. Nash, Chae S. Yi, Douglas R. Powell, and Randy K. Hayashi pp 6698–6706 DOI: 10.1021/ja960375d Supporting Info

Organometallic Amphiphiles:  Oxidized Ferrocene as Headgroup for Redox-Switched Bilayer and Monolayer Membranes Keshi Wang, Servando Muñoz, Litao Zhang, Rene Castro, Angel E. Kaifer, and George W. Gokel pp 6707–6715 DOI: 10.1021/ja953177f

Electrochemical and Photoelectrochemical Investigation of Single-Crystal Anatase L. Kavan, M. Grätzel, S. E. Gilbert, C. Klemenz, and H. J. Scheel pp 6716–6723 DOI: 10.1021/ja954172l

HCl Vapor-Induced Structural Rearrangements of n-Alkanoate Self-Assembled Monolayers on Ambient Silver, Copper, and Aluminum Surfaces Yu-Tai Tao, Geoffrey D. Hietpas, and David L. Allara pp 6724–6735 DOI: 10.1021/ja960672i

Coordination of Alkali Metals to Oligosaccharides Dictates Fragmentation Behavior in Matrix Assisted Laser Desorption Ionization/Fourier Transform Mass Spectrometry Mark T. Cancilla, Sharron G. Penn, James A. Carroll, and Carlito B. Lebrilla pp 6736–6745 DOI: 10.1021/ja9603766

Continuum Electrostatics Model for Ion Solvation and Relative Acidity of HCl in Supercritical Water Keith P. Johnston, Gerald E. Bennett, Perla B. Balbuena, and Peter J. Rossky pp 6746–6752 DOI: 10.1021/ja953558t

Energetics of n-Alkanes in Zeolites:  A Configurational-Bias Monte Carlo Investigation into Pore Size Dependence Simon P. Bates, Willy J. M. van Well, Rutger A. van Santen, and Berend Smit pp 6753–6759 DOI: 10.1021/ja953856q

Structure of the Transition States and Intermediates Formed in the Water-Exchange of Metal Hexaaqua Ions of the First Transition Series François P. Rotzinger pp 6760–6766 DOI: 10.1021/ja960184a

Multistep Photochemical Charge Separation in Rod-like Molecules Based on Aromatic Imides and Diimides Scott R. Greenfield, Walter A. Svec, David Gosztola, and Michael R. Wasielewski pp 6767–6777 DOI: 10.1021/ja9600789 Supporting Info

Cooperative Triple-Helix Formation via a Minor Groove Dimerization Domain Jason W. Szewczyk, Eldon E. Baird, and Peter B. Dervan pp 6778–6779 DOI: 10.1021/ja960831y

Preparation of Actinide Phosphinidene Complexes:  Steric Control of Reactivity David S. J. Arney, R. Chris Schnabel, Brian C. Scott, and Carol J. Burns pp 6780–6781 DOI: 10.1021/ja960221y Supporting Info

Cationic Manganese(I) Dihydrogen and Dinitrogen Complexes Derived from a Formally 16-Electron Complex with a Bis-Agostic Interaction, [Mn(CO)(Ph2PC2H4PPh2)2]+ Wayne A. King, Xiao-Liang Luo, Brian L. Scott, Gregory J. Kubas, and Kurt W. Zilm pp 6782–6783 DOI: 10.1021/ja960499q Supporting Info

Highly Enantioselective Imine Hydrosilylation Using (S,S)-Ethylenebis(η5-tetrahydroindenyl)titanium Difluoride Xavier Verdaguer, Udo E. W. Lange, Matthew T. Reding, and Stephen L. Buchwald pp 6784–6785 DOI: 10.1021/ja960808c Supporting Info

Intramolecular Microsolvation of Thermoneutral Gas-Phase SN2 Reactions Stephen L. Craig and John I. Brauman pp 6786–6787 DOI: 10.1021/ja953586b

Molecular Recognition of Artificial Single-Electron Acceptor Cosubstrates by Glucose Oxidase? Pedro Alzari, Nathalie Anicet, Christian Bourdillon, Jacques Moiroux, and Jean-Michel Savéant pp 6788–6789 DOI: 10.1021/ja960197o Supporting Info

Measurement of Equilibrium Constants for Complex Formation between Phenol and Hydrogen-Bond Acceptors by Kinetic Laser Flash Photolysis1 J. T. Banks, K. U. Ingold, and J. Lusztyk pp 6790–6791 DOI: 10.1021/ja961032i Supporting Info

X-ray Crystal Structure of a Zinc Carbenoid Cyclopropanating Reagent:  The IZnCH2I·18-crown-6 and Benzo-18-crown-6 Complexes André B. Charette, Jean-François Marcoux, and Francine Bélanger-Gariépy pp 6792–6793 DOI: 10.1021/ja953816m Supporting Info

Synthesis and Molecular Structure of (tBuOO)(tBuO)Al(μ-OtBu)2Al(mesal)2. The First Structurally Characterized (Alkylperoxo)aluminum Compound Janusz Lewiński, Janusz Zachara, and Elżbieta Grabska pp 6794–6795 DOI: 10.1021/ja961083f Supporting Info

Analyses of Anionic Cu(I) Complexes via Electrospray Mass Spectrometry Bruce H. Lipshutz, Kirk L. Stevens, Brian James, and James G. PavlovichJames P. Snyder pp 6796–6797 DOI: 10.1021/ja960182q

Wide-Line 14N NMR in Solids and Reorientation-Induced Redistribution of Isochromats Edward A. Hill and James P. Yesinowski pp 6798–6799 DOI: 10.1021/ja960757j

Incorporation of 1H/13C/15N-{Ile, Leu, Val} into a Perdeuterated, 15N-Labeled Protein:  Potential in Structure Determination of Large Proteins by NMR William J. Metzler, Michael Wittekind, Valentina Goldfarb, Luciano Mueller, and Bennett T. Farmer II pp 6800–6801 DOI: 10.1021/ja9604875 Supporting Info

Thiol-Mediated DNA Alkylation by the Novel Antitumor Antibiotic Leinamycin Akira Asai, Mitsunobu Hara, Shingo Kakita, Yutaka Kanda, Mayumi Yoshida, Hiromitsu Saito, and Yutaka Saitoh pp 6802–6803 DOI: 10.1021/ja960892w Supporting Info

NAG-thiazoline, An N-Acetyl-β-hexosaminidase Inhibitor That Implicates Acetamido Participation Spencer Knapp, David Vocadlo, Zhinong Gao, Brian Kirk, Jianping Lou, and Stephen G. Withers pp 6804–6805 DOI: 10.1021/ja960826u Supporting Info

Progress in Inorganic Chemistry. Volume 43 Edited by Kenneth D. Karlin (Johns Hopkins University). Wiley:  New York. 1995. vi + 621 pp. $125.00. ISBN 0-471-12336-6. Robert H. Crabtree p 6806 DOI: 10.1021/ja955350d

Synthesis of (+)-LaurencinA Retraction J. Am. Chem. Soc. 1993, 115, 10400−10401 Jonathan W. Burton,Robinson, R. A. J. Stephen Clark, Justin Bendall, Sam Derrer, Thomas Stork, and Andrew B. Holmes p 6806 DOI: 10.1021/ja965406j

Mechanism of the Nitrosation of Thiols and Amines by Oxygenated •NO Solutions:  The Nature of the Nitrosating Intermediates J. Am. Chem. Soc. 1996, 118, 3419−3425 Sara Goldstein and Gidon Czapski p 6806 DOI: 10.1021/ja965410v

Issue 29

A Noncleavable Retro-Binding Peptide That Spans the Substrate Binding Cleft of Serine Proteases. Atomic Structure of Nazumamide A:  Human Thrombin Vicki L. Nienaber and Eugene C. Amparo pp 6807–6810 DOI: 10.1021/ja960045t

Tautomerism and Protonation of Guanine and Cytosine. Implications in the Formation of Hydrogen-Bonded Complexes Carles Colominas, Francisco J. Luque, and Modesto Orozco pp 6811–6821 DOI: 10.1021/ja954293l

The Embedded Ribonucleotide Assay:  A Chimeric Substrate for Studying Cleavage of RNA by Transesterification Lisa A. Jenkins, James K. Bashkin, and Mark E. Autry pp 6822–6825 DOI: 10.1021/ja960191z

Synthesis of Sialyl Lewis X Mimetics and Related Structures Using the Glycosyl Phosphite Methodology and Evaluation of E-Selectin Inhibition Chun-Cheng Lin, Makoto Shimazaki, Marie-Pierre Heck, Shin Aoki, Ruo Wang, Teiji Kimura, Helena Ritzèn, Shuichi Takayama, Shih-Hsiung Wu, Gabriel Weitz-Schmidt, and Chi-Huey Wong pp 6826–6840 DOI: 10.1021/ja952265x Supporting Info

Novel Chiral Bis-dipolar 6,6‘-Disubstituted Binaphthol Derivatives for Second-Order Nonlinear Optics:  Synthesis and Linear and Nonlinear Optical Properties H.-J. Deussen, E. Hendrickx, C. Boutton, D. Krog, K. Clays, K. Bechgaard, A. Persoons, and T. Bjørnholm pp 6841–6852 DOI: 10.1021/ja960076o

Silicon−Carbon Unsaturated Compounds. 57. Photolysis of meso- and racemic-1,2-Diethyl-1,2-dimethyldiphenyldisilane, Direct Evidence for a Concerted 1,3-Silyl Shift to ortho-Carbon in the Phenyl Ring Joji Ohshita, Hiroyuki Niwa, Mitsuo Ishikawa, Tokio Yamabe, Takao Yoshii, and Kouichi Nakamura pp 6853–6859 DOI: 10.1021/ja960458u Supporting Info

Benzocyclobutadienes via Electrocyclizations of (Z,Z)-3,5-Octadiene-1,7-diynes Leading to Dimers with Unusual Polycyclic Structures Kung K. Wang, Bin Liu, and Jeffrey L. Petersen pp 6860–6867 DOI: 10.1021/ja960506a Supporting Info

Synthesis of 11C-Labeled Guanidines in Supercritical Ammonia Gunilla B. Jacobson, Göran Westerberg, Karin E. Markides, and Bengt Långström pp 6868–6872 DOI: 10.1021/ja960667e

Cyclohexanone from Cyclohexane and O2 in a Zeolite under Visible Light with Complete Selectivity Hai Sun, Fritz Blatter, and Heinz Frei pp 6873–6879 DOI: 10.1021/ja953273g

Kinetic Analysis of the Rebek Self-Replicating System:  Is There a Controversy? David N. Reinhoudt, Dmitry M. Rudkevich, and Feike de Jong pp 6880–6889 DOI: 10.1021/ja960324g Supporting Info

Stereochemistry and Conformational Anomalies of 1,2,3- and 1,2,3,4-Polycyclohexylcyclohexanes Ishay Columbus, Roy E. Hoffman, and Silvio E. Biali pp 6890–6896 DOI: 10.1021/ja960380h Supporting Info

Asymmetric Cyclopropanations by Rhodium(II) N-(Arylsulfonyl)prolinate Catalyzed Decomposition of Vinyldiazomethanes in the Presence of Alkenes. Practical Enantioselective Synthesis of the Four Stereoisomers of 2-Phenylcyclopropan-1-amino Acid Huw M. L. Davies, Paul R. Bruzinski, Debra H. Lake, Norman Kong, and Michael J. Fall pp 6897–6907 DOI: 10.1021/ja9604931

Synthesis, X-ray Structure Determination, and Reactions of (Pentamethylcyclopentadienyl)(nitrosyl)ruthenium η2-Arene Complexes Christopher D. Tagge and Robert G. Bergman pp 6908–6915 DOI: 10.1021/ja953711j Supporting Info

Stepwise Oxidation of Benzylamine Coordinated to the [Tp‘W(CO)(PhC2Me)]+ Moiety T. Brent Gunnoe, P. S. White, and J. L. Templeton pp 6916–6923 DOI: 10.1021/ja953944a Supporting Info

Toward Planar Tetracoordinate Carbon in the Puckered Ladder Structures of Chelated Cyclopropenyllithium Aggregates Klas Sorger, Paul von Ragué Schleyer, Roland Fleischer, and Dietmar Stalke pp 6924–6933 DOI: 10.1021/ja9603362 Supporting Info

Site Selectivity in Electrophilic (H+, CH3+) Abstraction on Os(H)2X2(PiPr3)2 Roger Kuhlman, William E. Streib, John C. Huffman, and Kenneth G. Caulton pp 6934–6945 DOI: 10.1021/ja960369h Supporting Info

Exchange Properties of the Three-Dimensional Coordination Compound 1,3,5-Tris(4-ethynylbenzonitrile)benzene·AgO3SCF3 Geoffrey B. Gardner, Y.-H. Kiang, Stephen Lee, Anil Asgaonkar, and D. Venkataraman pp 6946–6953 DOI: 10.1021/ja960595r Supporting Info

Investigations of P4O6Sn (n = 1−4) by X-ray Absorption Spectroscopy at the P and S K-Edges A. Pantelouris, J. Hormes, C. Günther, E. Hartmann, F. Frick, and M. Jansen pp 6954–6959 DOI: 10.1021/ja960258i

Intramolecular Hydrogen Bonding and Conformation of Small Peptides:  Variable-Temperature FTIR Study on N-Acetyl-l-Pro-l-Leu-Gly-NH2 and Related Compounds Kenji Tonan and Shun-ichi Ikawa pp 6960–6965 DOI: 10.1021/ja953380a

Structure and Molecular Ordering of a Nematic Liquid Crystal Studied by Natural-Abundance Double-Quantum 13C NMR D. Sandström and M. H. Levitt pp 6966–6974 DOI: 10.1021/ja9601853

Stereochemical Requirements for β-Hairpin Formation:  Model Studies with Four-Residue Peptides and Depsipeptides Tasir S. Haque, Jennifer C. Little, and Samuel H. Gellman pp 6975–6985 DOI: 10.1021/ja960429j Supporting Info

Protein Backbone Dynamics and 15N Chemical Shift Anisotropy from Quantitative Measurement of Relaxation Interference Effects Nico Tjandra, Attila Szabo, and Ad Bax pp 6986–6991 DOI: 10.1021/ja960510m Supporting Info

Formation of Hydroxyl Radicals from the Reaction of Water and Oxygen over Basic Metal Oxides Kevin B. Hewett, Louis C. Anderson, Michael P. Rosynek, and Jack H. Lunsford pp 6992–6997 DOI: 10.1021/ja960566g

Extractions of Y@C60, Ba@C60, La@C60, Ce@C60, Pr@C60, Nd@C60, and Gd@C60 with Aniline Yoshihiro Kubozono, Hironobu Maeda, Yasuhiro Takabayashi, Koji Hiraoka, Takeshi Nakai, Setsuo Kashino, Shuichi Emura, Shigeyuki Ukita, and Toshiaki Sogabe pp 6998–6999 DOI: 10.1021/ja9612460 Supporting Info

Facile Oxidative Addition of the Phosphorous−Selenium Bond to Pd(0) and Pt(0) Complexes and Development of Pd-Catalyzed Regio- and Stereoselective Selenophosphorylation of Alkynes Li-Biao Han, Nami Choi, and Masato Tanaka pp 7000–7001 DOI: 10.1021/ja9608860 Supporting Info

Enantioselective Nucleophilic Formylation and Cyanation of Conjugated Enones via Michael Addition of Formaldehyde SAMP-Hydrazone Jose-María Lassaletta, Rosario Fernández, Eloísa Martín-Zamora, and Elena Díez pp 7002–7003 DOI: 10.1021/ja9610500 Supporting Info

Direct Asymmetric Epoxidation of Aldehydes Using Catalytic Amounts of Enantiomerically Pure Sulfides Varinder K. Aggarwal, J. Gair Ford, Alison Thompson, Ray V. H. Jones, and Mike C. H. Standen pp 7004–7005 DOI: 10.1021/ja961144+ Supporting Info

Gold Is Smaller than Silver. Crystal Structures of [Bis(trimesitylphosphine)gold(I)] and [Bis(trimesitylphosphine)silver(I)] Tetrafluoroborate Angela Bayler, Annette Schier, Graham A. Bowmaker, and Hubert Schmidbaur pp 7006–7007 DOI: 10.1021/ja961363v Supporting Info

Studies on the Biosynthesis of Paraherquamide A. Origin of the β-Methylproline Ring Emily M. Stocking, Juan F. Sanz-Cervera, and Robert M. WilliamsClifford J. Unkefer pp 7008–7009 DOI: 10.1021/ja961322z Supporting Info

Directly-Observed β-Hydrogen Elimination of a Late Transition Metal Amido Complex and Unusual Fate of Imine Byproducts John F. Hartwig pp 7010–7011 DOI: 10.1021/ja961439n Supporting Info

Porphyrin Metalation Catalyzed by a Small RNA Molecule M. Morgan Conn, James R. Prudent, and Peter G. Schultz pp 7012–7013 DOI: 10.1021/ja961249c

An Implicit TRIPLE Effect in Mims Pulsed ENDOR:  A Sensitive New Technique for Determining Signs of Hyperfine Couplings Peter E. Doan, Mark J. Nelson, Haiyong Jin, and Brian M. Hoffman pp 7014–7015 DOI: 10.1021/ja960611k

Stereoselective Synthesis, Volume E21d Edited by Gunter Helmchen (Heidelberg), Reinhard W. Hoffman (Marburg), Johann Mulzer (Berlin), and Ernst Schaumann (Clausthal). Georg Thieme Verlag:  Stuttgart, Germany. 1995. xxi + 1195 pp. DM2360. ISBN 3-13-100114-3. Michael P. Doyle p 7016 DOI: 10.1021/ja965538c

Stereoselective Synthesis, Volume E21e Edited by Gunter Helmchen (Heidelberg), Reinhard W. Hoffman (Marburg), Johann Mulzer (Berlin), and Ernst Schaumann (Clausthal). Georg Thieme Verlag:  Stuttgart, Germany. 1995. xxi + 1261 pp. DM2682. ISBN 3-13-100124-0. Michael P. Doyle p 7016 DOI: 10.1021/ja9655395

Photochemistry and Photophysics of Metal Complexes By D. M. Roundhill (Tulane University). Plenum Press:  New York and London. 1994. xii + 356 pp. ISBN 0-306-44694-4. Thomas E. Bitterwolf pp 7016–7017 DOI: 10.1021/ja945140l

Biomolecular NMR Spectroscopy By Jeremy N. S. Evans (Washington State University). Oxford University Press:  Oxford and New York. 1995. xvi + 444 pp. $85.00 ISBM 0-19-85467-6. A. I. Scott p 7017 DOI: 10.1021/ja955402z

Stereoselective Synthesis By Robert S. Atkinson (University of Leicester, U.K.). Wiley:  New York. 1995. xii + 529 pp. $59.95. ISBN 0-471-95419-5. Perséphone Canonne pp 7017–7018 DOI: 10.1021/ja9553765

Modern Acetylene Chemistry Edited by Peter J. Stang (University of Utah) and Francois Diederich (ETH-Zentrum Lab, Zurich). VCH:  New York. 1995. xxi + 506 pp. $105.00. ISBN 3-527-29084-2. Timothy M. Swager p 7018 DOI: 10.1021/ja955358n

Analytical Techniques for Foods and Agricultural Products Edited by G. Linden (University of Nancy). VCH:  New York. 1996. xxi + 578 pp. $145.00. ISBN 1-56081-687-2. William E. Artz p 7018 DOI: 10.1021/ja9655092

Issue 30

Structural and Dynamic Characterization of Pro Cis/Trans Isomerization in a Small Cyclic Peptide C. Francart, J.-M. Wieruszeski, A. Tartar, and G. Lippens pp 7019–7027 DOI: 10.1021/ja960257q Supporting Info

Preferential Adsorption of a “Kinked” DNA to a Neutral Curved Surface:  Comparisons to and Implications for Nonspecific DNA−Protein Interactions Rahina Mahtab, Jessica P. Rogers, Chainey P. Singleton, and Catherine J. Murphy pp 7028–7032 DOI: 10.1021/ja961602e

Hydration Effects Accompanying the Substitution of Counterions in the Ionic Atmosphere of Poly(rA)·Poly(rU) and Poly(rA)·2Poly(rU) Helices Vitaly Buckin, Huy Tran, Victor Morozov, and Luis A. Marky pp 7033–7039 DOI: 10.1021/ja960256y

Evidence for the Formation of 2:2 Drug−Mg2+ Dimers in Solution and for the Formation of Dimeric Drug Complexes on DNA from the DNA-Accelerated Photochemical Reaction of Antineoplastic Quinobenzoxazines Hongtao Yu, Laurence H. Hurley, and Sean M. Kerwin pp 7040–7048 DOI: 10.1021/ja9602859 Supporting Info

Direct Observation of Strand Invasion by Peptide Nucleic Acid (PNA) into Double-Stranded DNA Pernilla Wittung, Peter Nielsen, and Bengt Nordén pp 7049–7054 DOI: 10.1021/ja960521f

DNA-Tethered Hoechst Groove-Binding Agents:  Duplex Stabilization and Fluorescence Characteristics Kristin Wiederholt, Sharanabasava B. Rajur, John Giuliano, Jr., Maryanne J. O'Donnell, and Larry W. McLaughlin pp 7055–7062 DOI: 10.1021/ja960948m Supporting Info

Theoretical Studies of GG-Specific Photocleavage of DNA via Electron Transfer:  Significant Lowering of Ionization Potential and 5‘-Localization of HOMO of Stacked GG Bases in B-Form DNA Hiroshi Sugiyama and Isao Saito pp 7063–7068 DOI: 10.1021/ja9609821

Insight into the Fluid-Phase Miscibility of Ester and Ether Phospholipids through Analysis of Nearest-Neighbor Recognition Takehisa Dewa and Steven L. Regen pp 7069–7074 DOI: 10.1021/ja960990h

Conjugatively Stabilized Bridgehead Olefins:  Formation and Reaction of Remarkably Stable Homoadamant-3-enes Substituted with Phenyl and Methoxycarbonyl Groups Masatomi Ohno, Motohiro Itoh, Masami Umeda, Ryoji Furuta, Kazumoto Kondo, and Shoji Eguchi pp 7075–7082 DOI: 10.1021/ja953977q

CLEAR:  A Novel Family of Highly Cross-Linked Polymeric Supports for Solid-Phase Peptide Synthesis1,2 Maria Kempe and George Barany pp 7083–7093 DOI: 10.1021/ja954196s Supporting Info

Total Synthesis of (−)-Galbonolide B and the Determination of Its Absolute Stereochemistry Bruno Tse pp 7094–7100 DOI: 10.1021/ja961344l Supporting Info

Total Synthesis of a Cis-Syn 2-Carbomethoxypsoralen Furan-Side Thymidine Monoadduct William R. Kobertz and John M. Essigmann pp 7101–7107 DOI: 10.1021/ja960511e

Asymmetric Heck Reaction−Carbanion Capture Process. Catalytic Asymmetric Total Synthesis of (−)-Δ9(12)-Capnellene Takashi Ohshima, Katsuji Kagechika, Midori Adachi, Mikiko Sodeoka, and Masakatsu Shibasaki pp 7108–7116 DOI: 10.1021/ja9609359 Supporting Info

The Synthesis of η2-β-Vinylpyrrole Complexes and Their Conversion to Highly Substituted Indoles L. Mark Hodges, Michael L. Spera, Marcus W. Moody, and W. Dean Harman pp 7117–7127 DOI: 10.1021/ja961072m Supporting Info

A Persistent Preference for Layer Motifs in Self-Assemblies of Squarates and Hydrogen Squarates by Hydrogen Bonding [X−H···O; X = N, O, or C]:  A Crystallographic Study of Five Organic Salts Isabella L. Karle, Darshan Ranganathan, and V. Haridas pp 7128–7133 DOI: 10.1021/ja953167e Supporting Info

Mechanisms of Decomposition of (Z)-2,2,2-Trifluoro-1-arylethanediazoates in Aqueous Media Jari I. Finneman and James C. Fishbein pp 7134–7138 DOI: 10.1021/ja9614629 Supporting Info

Redox Potentials of Chromium(V)/(IV), -(V)/(III), and -(IV)/(III) Complexes with 2-Ethyl-2-hydroxybutanoato(2−/1−) Ligands Rathindra N. Bose, Beshakeh Fonkeng, Gregory Barr-David, Rodney P. Farrell, Robert J. Judd, Peter A. Lay, and David F. Sangster pp 7139–7144 DOI: 10.1021/ja954047+

Cyclization versus Pd−H Elimination−Readdition:  Skeletal Rearrangement of the Products of Pd−C6F5 Addition to 1,4-Pentadienes Ana C. Albéniz, Pablo Espinet, and Yong-Shou Lin pp 7145–7152 DOI: 10.1021/ja960333p

Computer Prediction of Organic Crystal Structures Using Partial X-ray Diffraction Data Angelo Gavezzotti and Giuseppe Filippini pp 7153–7157 DOI: 10.1021/ja9540637 Supporting Info

Cyclopropyne and Silacyclopropyne:  A World of Difference C. David Sherrill, Christopher G. Brandow, Wesley D. Allen, and Henry F. Schaefer III pp 7158–7163 DOI: 10.1021/ja960762n Supporting Info

How Does Helium Get into Buckminsterfullerene? Serguei Patchkovskii and Walter Thiel pp 7164–7172 DOI: 10.1021/ja9607695

True and Spectator Intermediates in Catalysis:  The Case of Ethanol Oxidation on Molybdenum Oxide As Observed by in Situ Laser Raman Spectroscopy S. T. Oyama and W. Zhang pp 7173–7177 DOI: 10.1021/ja960468v

Blackbody Infrared Radiative Dissociation of Bradykinin and Its Analogues:  Energetics, Dynamics, and Evidence for Salt-Bridge Structures in the Gas Phase Paul D. Schnier, William D. Price, Rebecca A. Jockusch, and Evan R. Williams pp 7178–7189 DOI: 10.1021/ja9609157

Homogeneous Electron Transfer Catalysis of the Electrochemical Reduction of Carbon Dioxide. Do Aromatic Anion Radicals React in an Outer-Sphere Manner? Armando Gennaro, Abdirisak A. Isse, Jean-Michel Savéant, Maria-Gabriella Severin, and Elio Vianello pp 7190–7196 DOI: 10.1021/ja960605o Supporting Info

Scanning Tunneling Microscopy of Metal Phthalocyanines:  d7 and d9 Cases Xing Lu, K. W. Hipps, X. D. Wang, and Ursula Mazur pp 7197–7202 DOI: 10.1021/ja960874e

NMR Study of the Dynamics of Hydrogen in the Cluster Compounds Th6HxBr15 (x = 5, 7) Thomas P. Braun, Michael Mehring, and Arndt Simon pp 7203–7208 DOI: 10.1021/ja954016e

Triple-Quantum Two-Dimensional 27Al Magic-Angle Spinning Nuclear Magnetic Resonance Spectroscopic Study of Aluminosilicate and Aluminate Crystals and Glasses J. H. Baltisberger, Z. Xu, J. F. Stebbins, S. H. Wang, and A. Pines pp 7209–7214 DOI: 10.1021/ja9606586 Supporting Info

An Improved Catalyst System for Aromatic Carbon−Nitrogen Bond Formation:  The Possible Involvement of Bis(Phosphine) Palladium Complexes as Key Intermediates John P. Wolfe, Seble Wagaw, and Stephen L. Buchwald pp 7215–7216 DOI: 10.1021/ja9608306 Supporting Info

A Second-Generation Catalyst for Aryl Halide Amination:  Mixed Secondary Amines from Aryl Halides and Primary Amines Catalyzed by (DPPF)PdCl2 Michael S. Driver and John F. Hartwig pp 7217–7218 DOI: 10.1021/ja960937t Supporting Info

Synthesis of a Stereoblock Polyketone through Ancillary Ligand Exchange M. Brookhart and Mark I. Wagner pp 7219–7220 DOI: 10.1021/ja9610141 Supporting Info

Dinuclear Catecholate Helicates:  Their Inversion Mechanism Berthold Kersting, Michel Meyer, Ryan E. Powers, and Kenneth N. Raymond pp 7221–7222 DOI: 10.1021/ja9613522 Supporting Info

Free Radical Carbonylation of 1,4-cis-Polybutadiene C. Chatgilialoglu, C. Ferreri, and A. Sommazzi pp 7223–7224 DOI: 10.1021/ja9543053 Supporting Info

Alkylation of Si Surfaces Using a Two-Step Halogenation/Grignard Route Ashish Bansal, Xiuling Li, Iver Lauermann, and Nathan S. LewisSang I. Yi and W. H. Weinberg pp 7225–7226 DOI: 10.1021/ja960348n

Correlation between the Chemical Shift Values and Precise Interglycosidic Distance Measurements in the Cyclic Glucan of Burkholderia solanacearum G. Lippens, J.-M. Wieruszeski, P. Talaga, J.-P. Bohin, and H. Desvaux pp 7227–7228 DOI: 10.1021/ja954344e

Quantum Yield of Formation of Diazo Compounds from the Photolysis of Diazirines Roland Bonneau and Michael T. H. Liu pp 7229–7230 DOI: 10.1021/ja9613217 Supporting Info

Observation of Kinetic Tritium Isotope Effects by Dynamic NMR. The Tautomerism of Porphyrin Jürgen Braun, Hans-Heinrich Limbach, Philip G. Williams, Hiromi Morimoto, and David E. Wemmer pp 7231–7232 DOI: 10.1021/ja954146n Supporting Info

An FT-Raman Study of Sorbate-Induced Structural Changes in Zeolite ZSM-5 Yining Huang pp 7233–7234 DOI: 10.1021/ja960313n

Intrinsic Barriers of the Alternative Modes of Mesolytic Fragmentations of C−S Bonds Przemyslaw Maslak and Jay Theroff pp 7235–7236 DOI: 10.1021/ja960735x

Total Synthesis of the Antitumor Depsipeptide FR-901,228 Khan W. Li, Jerry Wu, Wenning Xing, and Julian A. Simon pp 7237–7238 DOI: 10.1021/ja9613724 Supporting Info

Water-Soluble Knedel-like Structures:  The Preparation of Shell-Cross-Linked Small Particles K. Bruce Thurmond II, Tomasz Kowalewski, and Karen L. Wooley pp 7239–7240 DOI: 10.1021/ja961299h Supporting Info

Model Studies Support Pyrrolylation of the Topaquinone Cofactor To Explain Inactivation of Bovine Plasma Amine Oxidase by 3-Pyrrolines. Unusual Processing of a Secondary Amine Younghee Lee, He Huang, and Lawrence M. Sayre pp 7241–7242 DOI: 10.1021/ja9543210 Supporting Info

Firefly Luciferase:  Alteration of the Color of Emitted Light Resulting from Substitutions at Position 286 Sergey V. Mamaev, Andrei L. Laikhter, Tuncer Arslan, and Sidney M. Hecht pp 7243–7244 DOI: 10.1021/ja961053c Supporting Info

The Chemistry of the Atmosphere:  Its Impact on Global Change Edited by Jack G. Calvert (National Center for Atmospheric Research). Blackwell:  Oxford, U.K. 1994. xxi + 394 pp. £89.50. ISBN 0-632-03779-2. John R. Barker p 7245 DOI: 10.1021/ja955328k

Second Supplements to the 2nd Edition of Rodd's Chemistry of Carbon Compounds, Vol. III Edited by M. Sainsbury (University of Bath, U.K.). Elsevier:  Amsterdam. 1995. xiv + 368 pp. $235.25. ISBN 0-444-82249-9. Philip D. Magnus p 7245 DOI: 10.1021/ja955384l

PesticidesDevelopments, Impacts, and Controls Edited by G. A. Best (Clyde River Purification Board) and A. D. Ruthven (Scottish Agricultural Science Agency). The Royal Society of Chemistry:  Cambridge, U.K. 1995. x + 180 pp. £49.50. ISBN 0-85404-785-9. James Kotcon p 7245 DOI: 10.1021/ja9655146

Diazo Chemistry II:  Aliphatic, Inorganic and Organometallic Compounds By Heinrich Zollinger (Swiss Federal Institute of Technology). VCH:  New York. 1995. xiii + 522 pp. $125.00. ISBN 3-527-29222-5. Michael P. Doyle pp 7245–7246 DOI: 10.1021/ja955352y

Motor Gasoline Edited by E. L. Marshall and K. Owen (The College of Petroleum and Energy Studies). The Royal Society of Chemistry:  Cambridge, U.K. 1995. xx + 282 pp. £99.50. ISBN 0-85404-409-4. Bruce Beaver p 7246 DOI: 10.1021/ja965502k

Zeolites:  A Refined Tool for Designing Catalytic Sites. Studies in Surface Science and Catalysis, Volume 97 Edited by Laurent Bonneviot (Université Laval) and Serge Kaliaguine (Université Laval). Elsevier:  Amsterdam. 1995. xii + 572 pp. ISBN 0-444-82130-9. Mark E. Davis p 7246 DOI: 10.1021/ja965528b

Issue 31

Three-Center, Two-Electron Systems. Origin of the Tilting of Their Substituents Koop Lammertsma and Tomohiko Ohwada pp 7247–7254 DOI: 10.1021/ja960004x

Redox Reaction of Benzyl Radicals with Aromatic Radical Ions Photogenerated. The Marcus Inverted Region and the Selective Formation of Carbocations or Carbanions Katsuya Ishiguro, Tomoharu Nakano, Hiroki Shibata, and Yasuhiko Sawaki pp 7255–7264 DOI: 10.1021/ja953689u Supporting Info

Mechanism of Sulfone Formation in the Reaction of Sulfides and Singlet Oxygen:  Intermediacy of S-Hydroperoxysulfonium Ylide Katsuya Ishiguro, Masaki Hayashi, and Yasuhiko Sawaki pp 7265–7271 DOI: 10.1021/ja960323o Supporting Info

Biphenylene Dimer. Molecular Fragment of a Two-Dimensional Carbon Net and Double-Stranded Polymer Andrzej Rajca, Andrej Safronov, Suchada Rajca, Charles R. Ross, II, and John J. Stezowski pp 7272–7279 DOI: 10.1021/ja961065y Supporting Info

Probing the Stereochemical Requirements for Receptor Recognition of δ Opioid Agonists through Topographic Modifications in Position 1 Xinhua Qian, Mark D. Shenderovich, Katalin E. Kövér, Peg Davis, Robert Horváth, Teresa Zalewska, Henry I. Yamamura, Frank Porreca, and Victor J. Hruby pp 7280–7290 DOI: 10.1021/ja954241w Supporting Info

Structure of the Metal Site in Rhus vernicifera Stellacyanin:  A Paramagnetic NMR Study on Its Co(II) Derivative Alejandro J. Vila and Claudio O. Fernández pp 7291–7298 DOI: 10.1021/ja9601346

VPI-8:  A High-Silica Molecular Sieve with a Novel “Pinwheel” Building Unit and Its Implications for the Synthesis of Extra-Large Pore Molecular Sieves Clemens C. Freyhardt, Raul F. Lobo, Shervin Khodabandeh, John E. Lewis, Jr., Michael Tsapatsis, Masahito Yoshikawa, Miguel A. Camblor, Ming Pan, Matthew M. Helmkamp, Stacey I. Zones, and Mark E. Davis pp 7299–7310 DOI: 10.1021/ja954337q Supporting Info

Characterization of Electronic Structure in Molecules by One-Center Expansion Techniques. No Three-Center Four-Electron Bond in PF5 Marco Häser pp 7311–7325 DOI: 10.1021/ja953109t

Denaturation of Truncated Staphylococcal Nuclease in Molecular Dynamics Simulation at 300 K Anne Lamy and Jeremy C. Smith pp 7326–7328 DOI: 10.1021/ja960095y

Cavities and Channels in Electrides James L. Dye, Michael J. Wagner, Gregor Overney, Rui H. Huang, Tibor F. Nagy, and David Tománek pp 7329–7336 DOI: 10.1021/ja960548z

A Nonlocal Density Functional Study of the Pd(II)-Assisted Copolymerization of Ethylene and CO Peter Margl and Tom Ziegler pp 7337–7344 DOI: 10.1021/ja960697h Supporting Info

A Theoretical Computation of the Aromaticity of (Benzene)Cr(CO)3 Compared to Benzene Using the Exaltation of Magnetic Susceptibility Criterion and a Comparison of Calculated and Experimental NMR Chemical Shifts in These Compounds D. V. Simion and T. S. Sorensen pp 7345–7352 DOI: 10.1021/ja960772o Supporting Info

Conical Intersection Pathways in the Photocycloaddition of Ethene and Benzene:  A CASSCF Study with MMVB Dynamics Simon Clifford, Michael J. Bearpark, Fernando Bernardi, Massimo Olivucci, Michael A. Robb, and Barry R. Smith pp 7353–7360 DOI: 10.1021/ja961078b Supporting Info

Investigation of Photoinduced Electron Transfer of the Model Vitamin E−Duroquinone System by Means of Femtosecond Spectroscopy Shin-ichi Nagaoka and Kazuhiko Ishihara pp 7361–7366 DOI: 10.1021/ja952958d Supporting Info

Laser Flash Photolysis and Time-Resolved ESR Study of Phosphinoyl Radical Structure and Reactivity Gregory W. Sluggett, Peter F. McGarry, Igor V. Koptyug, and Nicholas J. Turro pp 7367–7372 DOI: 10.1021/ja961043b

Low-Temperature MCD Studies of Low-Spin Ferric Complexes of Tetramesitylporphyrinate:  Evidence for the Novel (dxz,dyz)4(dxy)1 Ground State Which Models the Spectroscopic Properties of Heme d Myles R. Cheesman and F. Ann Walker pp 7373–7380 DOI: 10.1021/ja960344i

Electrocyclic Ring Opening Modes of Dewar Benzenes:  Ab Initio Predictions for Möbius Benzene and trans-Dewar Benzene as New C6H6 Isomers Richard P. Johnson and Kimberly J. Daoust pp 7381–7385 DOI: 10.1021/ja961066q Supporting Info

Fragmentation and Intracluster Reactions of Hydrated Aluminum Cations Al+(H2O)n, n = 3−50 Martin Beyer, Christian Berg, Hans W. Görlitzer, Thomas Schindler, Uwe Achatz, Gerhard Albert, Gereon Niedner-Schatteburg, and Vladimir E. Bondybey pp 7386–7389 DOI: 10.1021/ja9606438

Ion/Ion Reactions in the Gas Phase:  Proton Transfer Reactions Involving Multiply-Charged Proteins James L. Stephenson, Jr., and Scott A. McLuckey pp 7390–7397 DOI: 10.1021/ja9611755

Synthesis, Characterization, and Guest−Host Properties of Inverted Unimolecular Dendritic Micelles S. Stevelmans, J. C. M. van Hest, J. F. G. A. Jansen, D. A. F. J. van Boxtel, E. M. M. de Brabander-van den Berg, and E. W. Meijer pp 7398–7399 DOI: 10.1021/ja954207h Supporting Info

Infrared Absorption Spectroscopy of the Phenyl Radical Juliusz G. Radziszewski, Mark R. Nimlos, Paul R. Winter, and G. Barney Ellison pp 7400–7401 DOI: 10.1021/ja960617+

Isotope-Labeling Strategy for the Assignment of Protein Fragments Generated for Mass Spectrometry Andrew Miranker, Gary H. Kruppa, Carol V. Robinson, Robin T. Aplin, and Christopher M. Dobson pp 7402–7403 DOI: 10.1021/ja9531236 Supporting Info

Chemistry of Trichlorosilyl Enolates. 1. New Reagents for Catalytic, Asymmetric Aldol Additions Scott E. Denmark, Stephen B. D. Winter, Xiping Su, and Ken-Tsung Wong pp 7404–7405 DOI: 10.1021/ja9606539 Supporting Info

Loop-Directed Mutagenesis Converts Amicyanin from Thiobacillus versutus into a Novel Blue Copper Protein Christopher Dennison, Erik Vijgenboom, Wilfred R. Hagen, and Gerard W. Canters pp 7406–7407 DOI: 10.1021/ja953256r

Tungsten Tris(pyrazolyl)borate Cage Expansion by Formal Insertion of an Alkylidyne Group into a Tungsten−Nitrogen Bond Samyoung Ahn and Andreas Mayr pp 7408–7409 DOI: 10.1021/ja960438s Supporting Info

CO2 as the Ultimate Degradation Product in the H2O2 Oxidation of 2,4,6-Trichlorophenol Catalyzed by Iron Tetrasulfophthalocyanine Alexander Sorokin, Sophie De Suzzoni-Dezard, Didier Poullain, Jean-Pierre Noël, and Bernard Meunier pp 7410–7411 DOI: 10.1021/ja960177m Supporting Info

Effects of Structure on the Reactivity of α-Hydroxydialkylnitrosamines in Aqueous Solutions1 Milan Mesić, Cynthia Revis, and James C. Fishbein pp 7412–7413 DOI: 10.1021/ja961178h

A Supramolecular Chemosensor for Aromatic Hydrocarbons Mark A. Mortellaro and Daniel G. Nocera pp 7414–7415 DOI: 10.1021/ja961323r

Efficient Photoluminescence and Electroluminescence from a Soluble Polyfluorene Qibing Pei and Yang Yang pp 7416–7417 DOI: 10.1021/ja9615233

Dinuclear Molybdenum and Tungsten C3-Bridged Complexes with Metal−Carbon Multiple Bonds B. E. Woodworth and J. L. Templeton pp 7418–7419 DOI: 10.1021/ja960940c Supporting Info

Kinetic Resolution of Terminal Epoxides via Highly Regioselective and Enantioselective Ring Opening with TMSN3. An Efficient, Catalytic Route to 1,2-Amino Alcohols Jay F. Larrow, Scott E. Schaus, and Eric N. Jacobsen pp 7420–7421 DOI: 10.1021/ja961708+ Supporting Info

Free Radical Chemistry of Lactones:  Ring Contractions and Expansions David Crich, Athelstan L. J. Beckwith, G. Fredrick Filzen, and Robert W. Longmore pp 7422–7423 DOI: 10.1021/ja960471e Supporting Info

A Correlation between Global Conformation of Polysilane and UV Absorption Characteristics Michiya Fujiki pp 7424–7425 DOI: 10.1021/ja953835w

Stereocontrolled Total Synthesis of (±)-Gelsemine Tohru Fukuyama and Gang Liu pp 7426–7427 DOI: 10.1021/ja961701s Supporting Info

Hydrogen Bonding to Transition Metal Fluoride Ligands:  The Synthesis and Structure of the Bifluoride Complex Mo(PMe3)4H2F(FHF) Vincent J. Murphy, Tony Hascall, Johnny Y. Chen, and Gerard Parkin pp 7428–7429 DOI: 10.1021/ja961350h Supporting Info

A Structure-Based Library Approach to Kinase Inhibitors Thea C. Norman, Nathanael S. Gray, John T. Koh, and Peter G. Schultz pp 7430–7431 DOI: 10.1021/ja9614934 Supporting Info

Mechanistic Imperatives for Enzymatic Catalysis of Aldose−Ketose Isomerization:  Isomerization of Glyceraldehyde in Weakly Alkaline Aqueous Solution Occurs with Intramolecular Transfer of a Hydride Ion R. W. Nagorski and John P. Richard pp 7432–7433 DOI: 10.1021/ja961259d

Observation and Photoelectron Spectroscopic Study of Novel Mono- and Diiron Oxide Molecules:  FeOy- (y = 1−4) and Fe2Oy- (y = 1−5) J. Am. Chem. Soc. 1996, 118, 5296−5301 Hongbin Wu, Sunil R. Desai, and Lai-Sheng Wang p 7434 DOI: 10.1021/ja9654140

Packed Column SFC. RSC Chromatography Monographs By T. A. Berger (Berger Instruments). The Royal Society of Chemistry:  Cambridge, U.K. 1995. xiv + 251 pp. £45.00. ISBN 0-85404-500-7. Janusz Pawliszyn p 7434 DOI: 10.1021/ja965515y

Issue 32

Crystal Structure of 6α-(Hydroxymethyl)penicillanate Complexed to the TEM-1 β-Lactamase from Escherichia coli:  Evidence on the Mechanism of Action of a Novel Inhibitor Designed by a Computer-Aided Process Laurent Maveyraud, Irina Massova, Catherine Birck, Kazuyuki Miyashita, Jean-Pierre Samama, and Shahriar Mobashery pp 7435–7440 DOI: 10.1021/ja9609718

Evidence for Structural Elasticity of Class A β-Lactamases in the Course of Catalytic Turnover of the Novel Cephalosporin Cefepime Pascale Taibi-Tronche, Irina Massova, Sergei B. Vakulenko, Stephen A. Lerner, and Shahriar Mobashery pp 7441–7448 DOI: 10.1021/ja9529753

Synthesis and Evaluation of Novel Substrates and Inhibitors of N-Succinyl-ll-diaminopimelate Aminotransferase (DAP-AT) from Escherichia coli Russell J. Cox, William A. Sherwin, Lister K. P. Lam, and John C. Vederas pp 7449–7460 DOI: 10.1021/ja960640v Supporting Info

Structural and Functional Aspects of RGD-Containing Cyclic Pentapeptides as Highly Potent and Selective Integrin αVβ3 Antagonists Roland Haubner, Rainer Gratias, Beate Diefenbach, Simon L. Goodman, Alfred Jonczyk, and Horst Kessler pp 7461–7472 DOI: 10.1021/ja9603721 Supporting Info

Laser Flash Photolysis Study of Arylcyclopropylcarbenium Ions:  Cation Stabilizing Abilities of Cyclopropyl and Phenyl Groups Wolfgang Kirmse, Birgit Krzossa, and Steen Steenken pp 7473–7477 DOI: 10.1021/ja960268j

Resolution of trans-1-(2-Naphthyl)-2-phenylethene Fluorescence in the Presence of Tri-n-butylamine into Pairs of Monomer and Exciplex Spectra. Selectivity in Conformer Quenching J. Saltiel, J.-O. Choi, D. F. Sears, Jr., D. W. Eaker, K. E. O'Shea, and I. Garcia pp 7478–7485 DOI: 10.1021/ja961340g Supporting Info

Biosynthesis of 3-Amino-5-hydroxybenzoic Acid, the Precursor of mC7N Units in Ansamycin Antibiotics Chun-Gyu Kim, Andreas Kirschning, Phillipe Bergon, Pei Zhou, Esther Su, Bernd Sauerbrei, Sandra Ning, Yonghyun Ahn, Michael Breuer, Eckhard Leistner, and Heinz G. Floss pp 7486–7491 DOI: 10.1021/ja9601292

Allium Chemistry:  Microwave Spectroscopic Identification, Mechanism of Formation, Synthesis, and Reactions of (E,Z)-Propanethial S-Oxide, the Lachrymatory Factor of the Onion (Allium cepa) Eric Block, Jennifer Z. Gillies, Charles W. Gillies, Ali A. Bazzi, David Putman, Larry K. Revelle, Dongyi Wang, and Xing Zhang pp 7492–7501 DOI: 10.1021/ja960722j

Studies on the Synthesis of Nargenicin A1:  Highly Stereoselective Synthesis of the Complete Carbon Framework via the Transannular Diels−Alder Reaction of an 18-Membered Macrolide William R. Roush, Kazuo Koyama, Michael L. Curtin, and Kevin J. Moriarty pp 7502–7512 DOI: 10.1021/ja9607796 Supporting Info

Asymmetric Total Synthesis of (+)-Milbemycin D Michael T. Crimmins, Rima S. Al-awar, Isabelle M. Vallin, W. Gary Hollis, Jr., Rosemary O'Mahony, John G. Lever, and Danute M. Bankaitis-Davis pp 7513–7528 DOI: 10.1021/ja961071u Supporting Info

Oligoanthranilamides. Non-Peptide Subunits That Show Formation of Specific Secondary Structure Yoshitomo Hamuro, Steven J. Geib, and Andrew D. Hamilton pp 7529–7541 DOI: 10.1021/ja9539857 Supporting Info

Mössbauer Spectroscopy of Spin-Coupled Iron−Chromium Complexes:  μ-Hydroxo−Bis(μ-acetato)-Bridged Iron(2+)−Chromium(3+) and μ-Oxo−Bis(μ-acetato)-Bridged Iron(3+)−Chromium(3+) J. H. Rodriguez, Y.-M. Xia, P. G. Debrunner, P. Chaudhuri, and K. Wieghardt pp 7542–7550 DOI: 10.1021/ja952513p

Reconsideration of X, the Diiron Intermediate Formed during Cofactor Assembly in E. coli Ribonucleotide Reductase Bradley E. Sturgeon, Doug Burdi, Shuxian Chen, Boi-Hanh Huynh, Dale E. Edmondson, JoAnne Stubbe, and Brian M. Hoffman pp 7551–7557 DOI: 10.1021/ja960399k

Guest/Host Interactions in High Silica Zeolite Synthesis:  [5.2.1.02.6]Tricyclodecanes as Template Molecule S. I. Zones, Y. Nakagawa, L. T. Yuen, and T. V. Harris pp 7558–7567 DOI: 10.1021/ja954246t

Evidence for a Michaelis−Menten Type Mechanism in the Electrocatalytic Oxidation of Mercaptopropionic Acid by an Amavadine Model M. Fátima C. Guedes da Silva, J. Armando L. da Silva, João J. R. Fraústo da Silva, Armando J. L. Pombeiro, Christian Amatore, and Jean-Noël Verpeaux pp 7568–7573 DOI: 10.1021/ja9607042

On the Enhanced Stability of the Guanine−Cytosine Base-Pair Radical Cation Michael Hutter and Timothy Clark pp 7574–7577 DOI: 10.1021/ja953370+ Supporting Info

Molecular Mechanics Study of Oligomeric Models for Poly(ferrocenylsilanes) Using the Extensible Systematic Forcefield (ESFF) Stephen Barlow, Andrew L. Rohl, Shengua Shi, Clive M. Freeman, and Dermot O'Hare pp 7578–7592 DOI: 10.1021/ja953680s Supporting Info

Dynamic Pathways for Fluxional Molecules Defined Using Exchange-NOE Peaks Enzo Alessio, Lory Hansen, Marian Iwamoto, and Luigi G. Marzilli pp 7593–7600 DOI: 10.1021/ja960385e Supporting Info

Torsion Angle Determination in Solid 13C-Labeled Amino Acids and Peptides by Separated-Local-Field Double-Quantum NMR K. Schmidt-Rohr pp 7601–7603 DOI: 10.1021/ja9605782

Conformational Study of Solid Polypeptides by 1H Combined Rotation and Multiple Pulse Spectroscopy NMR Akira Shoji, Hideaki Kimura, Takuo Ozaki, Hisashi Sugisawa, and Kenzo Deguchi pp 7604–7607 DOI: 10.1021/ja9607650 Supporting Info

Addition of Aryl and Fluoroalkyl Radicals to Fullerene C70:  ESR Detection of Five Regioisomeric Adducts and Density Functional Calculations Roberta Borghi, Lodovico Lunazzi, Giuseppe Placucci, Paul J. Krusic, David A. Dixon, Nobuyuki Matsuzawa, and Masafumi Ata pp 7608–7617 DOI: 10.1021/ja960979h

ESR Characterization of Hexameric, Helical Peptides Using Double TOAC Spin Labeling Paul Hanson, Glenn Millhauser, Fernando Formaggio, Marco Crisma, and Claudio Toniolo pp 7618–7625 DOI: 10.1021/ja961025u

Transforming a Nonselective Carbene Rearrangement into a Highly Selective Process by Using Crystalline Media Steve H. Shin, Amy E. Keating, and Miguel A. Garcia-Garibay pp 7626–7627 DOI: 10.1021/ja9533398 Supporting Info

Sodium Cation Transport in Synthetic Channels Obeys the Hammett Relationship in a Phospholipid Bilayer Membrane Oscar Murillo, Iwao Suzuki, Ernesto Abel, and George W. Gokel pp 7628–7629 DOI: 10.1021/ja960950d Supporting Info

The First Example of a Formal Scandium(I) Complex:  Synthesis and Molecular Structure of a 22-Electron Scandium Triple Decker Incorporating the Novel 1,3,5-Triphosphabenzene Ring Polly L. Arnold, F. Geoffrey N. Cloke, Peter B. Hitchcock, and John F. Nixon pp 7630–7631 DOI: 10.1021/ja961253o Supporting Info

Soluble Polymer-Bound Ligand-Accelerated Catalysis:  Asymmetric Dihydroxylation Hyunsoo Han and Kim D. Janda pp 7632–7633 DOI: 10.1021/ja9608095 Supporting Info

Ynolates from the Reaction of Lithiosilyldiazomethane with Carbon Monoxide. New Ketenylation Reactions Hidetomo Kai, Keiji Iwamoto, Naoto Chatani, and Shinji Murai pp 7634–7635 DOI: 10.1021/ja961229a Supporting Info

Design and Evaluation of Potent Inhibitors of Asparagine-Linked Protein Glycosylation Tamara L. Hendrickson, Jeffrey R. Spencer, Mihoko Kato, and Barbara Imperiali pp 7636–7637 DOI: 10.1021/ja961448w Supporting Info

Manganese−Tyrosine Interaction in the Photosystem II Oxygen-Evolving Complex Xiao-Song Tang, David W. Randall, Dee Ann Force, Bruce A. Diner, and R. David Britt pp 7638–7639 DOI: 10.1021/ja9610592

Electron Transfer in Self-Assembled Inorganic Polyelectrolyte/Metal Nanoparticle Heterostructures Daniel L. Feldheim, Katherine C. Grabar, Michael J. Natan, and Thomas E. Mallouk pp 7640–7641 DOI: 10.1021/ja9612007 Supporting Info

Synthesis of a Phosphoramidite Coupling Unit of the Pyrimidine (6−4) Pyrimidone Photoproduct and Its Incorporation into Oligodeoxynucleotides Shigenori Iwai, Masato Shimizu, Hiroyuki Kamiya, and Eiko Ohtsuka pp 7642–7643 DOI: 10.1021/ja9603158 Supporting Info

Synthesis of (±)-Allocyathin B2 and (+)-Erinacine A Barry B. Snider, Nha Huu Vo, Steven V. O'Neil, and Bruce M. Foxman pp 7644–7645 DOI: 10.1021/ja9615379 Supporting Info

Advances in Chemical Physics Vol. XCI Edited by I. Prigogine (University of Brussels) and Stuart A. Rice (University of Chicago). Wiley:  New York. 1995. ix + 600 pp. $165.00 ISBN 0-471-12002-2. David A. Micha p 7646 DOI: 10.1021/ja955399j

Biology of the Sialic Acids Edited by Abraham Rosenberg (University of California, Los Angeles). Plenum Press:  New York. 1995. xv + 378 pp. $95.00. ISBN 0-306-44974-9. Penny J. Gilmer p 7646 DOI: 10.1021/ja9655247

Issue 33

Enzymatic/Chemical Synthesis and Biological Evaluation of Seven-Membered Iminocyclitols Francisco Morís-Varas, Xin-Hua Qian, and Chi-Huey Wong pp 7647–7652 DOI: 10.1021/ja960975c

Synergistic Inhibition of Human α-1,3-Fucosyltransferase V Lei Qiao, Brion W. Murray, Makoto Shimazaki, Jody Schultz, and Chi-Huey Wong pp 7653–7662 DOI: 10.1021/ja960274f Supporting Info

Incorporation of Two Oxygens from 18O2 in the Epoxyquinone from the Dihydroxyacetanilide Epoxidase Reaction:  Evidence for a Dioxygenase Mechanism Steven J. Gould, Marc J. Kirchmeier, and Roy E. LaFever pp 7663–7666 DOI: 10.1021/ja960696p

Peptide Nucleic Acid Probes for Sequence-Specific DNA Biosensors Joseph Wang, Emil Palecek, Peter E. Nielsen, Gustavo Rivas, Xiaohua Cai, Haruki Shiraishi, Narasaiah Dontha, Denbai Luo, and Percio A. M. Farias pp 7667–7670 DOI: 10.1021/ja9608050

Naphthalene, Phenanthrene, and Pyrene as DNA Base Analogues:  Synthesis, Structure, and Fluorescence in DNA Rex X.-F. Ren, Narayan C. Chaudhuri, Pamela L. Paris, Squire Rumney IV, and Eric T. Kool pp 7671–7678 DOI: 10.1021/ja9612763 Supporting Info

Synthesis of Inositol Phosphodiesters by Phospholipase C-Catalyzed Transesterification Karol S. Bruzik, Zhiwen Guan, Suzette Riddle, and Ming-Daw Tsai pp 7679–7688 DOI: 10.1021/ja9616084 Supporting Info

Calculation of the Potential Energy Surface for Intermolecular Amide Hydrogen Bonds Using Semiempirical and Ab Initio Methods Helgi Adalsteinsson, Andreas H. Maulitz, and Thomas C. Bruice pp 7689–7693 DOI: 10.1021/ja954267n

Optically Active Amines. 40.1 Application of the Benzene Sector Rule to the Circular Dichroism of Chiral Benzylcarbinamines and Benzylcarbinols Howard E. Smith and Jon R. Neergaard pp 7694–7701 DOI: 10.1021/ja9605533

Lewis Acid Catalysis of a Diels−Alder Reaction in Water Sijbren Otto, Federica Bertoncin, and Jan B. F. N. Engberts pp 7702–7707 DOI: 10.1021/ja960318k Supporting Info

High Surface Area Nafion Resin/Silica Nanocomposites:  A New Class of Solid Acid Catalyst Mark A. Harmer, William E. Farneth, and Qun Sun pp 7708–7715 DOI: 10.1021/ja9541950

Hypervalent (tert-Butylperoxy)iodanes Generate Iodine-Centered Radicals at Room Temperature in Solution:  Oxidation and Deprotection of Benzyl and Allyl Ethers, and Evidence for Generation of α-Oxy Carbon Radicals Masahito Ochiai, Takao Ito, Hideo Takahashi, Akinobu Nakanishi, Mika Toyonari, Takuya Sueda, Satoru Goto, and Motoo Shiro pp 7716–7730 DOI: 10.1021/ja9610287 Supporting Info

Lone-Pair-Induced Chirality in Polyoxotungstate Structures:  Tin(II) Derivatives of A-Type XW9O34n- (X = P, Si). Interaction with Amino Acids Feibo Xin and Michael T. Pope pp 7731–7736 DOI: 10.1021/ja954045p Supporting Info

Supramolecular Aggregation of Pd6Cl12, a Cluster of Comparable Size to a Fullerene, with Aromatic Donors and with C60 Marilyn M. Olmstead, Arwa S. Ginwalla, Bruce C. Noll, Dino S. Tinti, and Alan L. Balch pp 7737–7745 DOI: 10.1021/ja960939d Supporting Info

Distorted MnIVMnIII3 Cubane Complexes as Single-Molecule Magnets Sheila M. J. Aubin, Michael W. Wemple, David M. Adams, Hui-Lien Tsai, George Christou, and David N. Hendrickson pp 7746–7754 DOI: 10.1021/ja960970f

Electronic Structure of the Perturbed Blue Copper Site in Nitrite Reductase:  Spectroscopic Properties, Bonding, and Implications for the Entatic/Rack State Louis B. LaCroix, Susan E. Shadle, Yaning Wang, Bruce A. Averill, Britt Hedman, Keith O. Hodgson, and Edward I. Solomon pp 7755–7768 DOI: 10.1021/ja961217p Supporting Info

Selective Binding of Group IIIA and Lanthanide Metals by Hexahomotrioxacalix[3]arene Macrocycles Charles E. Daitch, Philip D. Hampton, Eileen N. Duesler, and Todd M. Alam pp 7769–7773 DOI: 10.1021/ja9605984 Supporting Info

Molecular Dynamics of Ion−Chelate Complexes Attached to Dendrimers E. C. Wiener, F. P. Auteri, J. W. Chen, M. W. Brechbiel, O. A. Gansow, D. S. Schneider, R. L. Belford, R. B. Clarkson, and P. C. Lauterbur pp 7774–7782 DOI: 10.1021/ja9536126

Rate-Determining Role of Strain for Nitrogen Inversion in Polycyclic Tertiary Amines1 Anatoly M. Belostotskii, Hugo E. Gottlieb, and Alfred Hassner pp 7783–7789 DOI: 10.1021/ja954288h

The Triplet Spin-Density Distribution along a Polyene Chain:  An Electron-Spin-Echo Study of a Deuterododecapentaenal Peter Kok and Edgar J. J. Groenen pp 7790–7794 DOI: 10.1021/ja9611856

In Situ Scanning Tunneling Microscopy of Benzene Adsorbed on Rh(111) and Pt(111) in HF Solution Shueh-Lin Yau, Youn-Geun Kim, and Kingo Itaya pp 7795–7803 DOI: 10.1021/ja960903l

Scanning Tunneling Microscope Induced Crystallization of Fullerene-like MoS2 M. Homyonfer, Y. Mastai, M. Hershfinkel, V. Volterra, J. L. Hutchison, and R. Tenne pp 7804–7808 DOI: 10.1021/ja961544x

Peptide Models. 18. Hydroxymethyl Side-Chain Induced Backbone Conformational Shifts of l-Serine Amide. All ab Initio Conformers of For-l-Ser-NH2 András Perczel, Ödön Farkas, and Imre G. Csizmadia pp 7809–7817 DOI: 10.1021/ja960464q

Effects of β-Substituents and Ancillary Ligands on the Structure and Stability of (η3-Allyl)palladium Complexes. Implications for the Regioselectivity in Nucleophilic Addition Reactions Kálmán J. Szabó pp 7818–7826 DOI: 10.1021/ja9608508 Supporting Info

Affinity Capillary Electrophoresis−Mass Spectrometry for Screening Combinatorial Libraries Yen-Ho Chu, Yuriy M. Dunayevskiy, Daniel P. Kirby, Paul Vouros, and Barry L. Karger pp 7827–7835 DOI: 10.1021/ja960213h

Gas-Phase Bond Strength and Atomic Connectivity Studies of the Unsymmetrical Two-Center Three-Electron Ion, [Et2SSMe2]+ Mary A. James, Michael L. McKee, and Andreas J. Illies pp 7836–7842 DOI: 10.1021/ja960455h

First Isolation of a Tris(ketyl) Metal Complex Zhaomin Hou, Akira Fujita, Hiroshi Yamazaki, and Yasuo Wakatsuki pp 7843–7844 DOI: 10.1021/ja9616185 Supporting Info

Perturbation of the Fe−O2 Bond by Nearby Residues in Heme Pocket:  Observation of νFe-O2 Raman Bands for Oxymyoglobin Mutants Shun Hirota, Tiansheng Li, George N. Phillips, Jr., John S. Olson, Masahiro Mukai, and Teizo Kitagawa pp 7845–7846 DOI: 10.1021/ja9608297

A First Principles Investigation of the Structure of a Bacteriochlorophyll Crystal Massimo Marchi, Jürg Hutter, and Michele Parrinello pp 7847–7848 DOI: 10.1021/ja953342r

Structure and NMR Spectra of the 2-Norbornyl Carbocation:  Prediction of 1J(13C13C) for the Bridged, Pentacoordinate Carbon Atom S. Ajith Perera and Rodney J. Bartlett pp 7849–7850 DOI: 10.1021/ja960995e

X-ray Crystal and NMR Structure of a Highly Reactive Bidentate 1,2-Diamine−OsO4 Complex, Formally a 20-Electron Outer Valence Shell Species. Mechanistic Implications for the 1,2-Diamine-Accelerated Dihydroxylation of Olefins by OsO4 E. J. Corey, Sepehr Sarshar, Mihai D. Azimioara, Ronald C. Newbold, and Mark C. Noe pp 7851–7852 DOI: 10.1021/ja960536d Supporting Info

Vibrational Relaxation in Metalloporphyrin CO Complexes Dana D. Dlott, M. D. Fayer, Jeffrey R. Hill, C. W. Rella, Kenneth S. Suslick, and Christopher J. Ziegler pp 7853–7854 DOI: 10.1021/ja961494w Supporting Info

Aflastatin A, a Novel Inhibitor of Aflatoxin Production of Aspergillus parasiticus, from Streptomyces Shohei Sakuda, Makoto Ono, Kazuo Furihata, Jiro Nakayama, Akinori Suzuki, and Akira Isogai pp 7855–7856 DOI: 10.1021/ja960899d Supporting Info

Kinetic Parameters for Cytochrome c via Insulated Electrode Voltammetry Samuel Terrettaz, Jun Cheng, and Cary J. MillerR. D. Guiles pp 7857–7858 DOI: 10.1021/ja960866y Supporting Info

Protein−Solvent Hydrogen Bonding Studied by NMR 1JNC‘ Coupling Constant Determination and Molecular Dynamics Simulations Nenad Juranić, Vladimir A. Likić, Franklyn G. Prendergast, and Slobodan Macura pp 7859–7860 DOI: 10.1021/ja9542101

In Situ Observation of Self-Assembled Monolayer Growth J. T. Woodward and D. K. Schwartz pp 7861–7862 DOI: 10.1021/ja961524v Supporting Info

Total Synthesis and Stereochemical Assignment of the Quinquecyclopropane-Containing Cholesteryl Ester Transfer Protein Inhibitor U-106305 Anthony G. M. Barrett, Dieter Hamprecht, Andrew J. P. White, and David J. Williams pp 7863–7864 DOI: 10.1021/ja961399n Supporting Info

Formation of Macrocycles by Catalytic Intramolecular Aromatic Cycloaddition of Metal Carbenes to Remote Arenes Michael P. Doyle, Marina N. Protopopova, Chad S. Peterson, and Justin P. VitaleM. Anthony McKervey and Concepción Fernández García pp 7865–7866 DOI: 10.1021/ja961627d Supporting Info

A Stable β-Silyl Carbocation Joseph B. Lambert and Yan Zhao pp 7867–7868 DOI: 10.1021/ja9613670

An Unprecedented High-Nuclearity Closest-Packed Bimetallic Palladium Carbonyl Cluster:  [Pd33Ni9(CO)41(PPh3)6]4- Containing a Pseudo-D3h hcp Pd33Ni9 Core Masaki Kawano, Jeffrey W. Bacon, Charles F. Campana, and Lawrence F. Dahl pp 7869–7870 DOI: 10.1021/ja960681r Supporting Info

Synthesis and Characterization of the First Transition-Metal η2-Disilene Complexes J. Am. Chem. Soc. 1989, 111, 7667−7668 Eric K. Pham and Robert West p 7871 DOI: 10.1021/ja9654138

Cross-Linkage by “Intact” Bizelesin and Bisalkylation by the “Separated Halves” of the Bizelesin Dimer:  Contrasting Drug Manipulation of DNA Conformation (5‘-TAATTA-3‘) Directs Alkylation toward Different Adenine Targets J. Am. Chem. Soc. 1996, 118, 5383−5395 Frederick C. Seaman, Jianxiong Chu, and Laurence Hurley p 7871 DOI: 10.1021/ja965415s

Phosphorus:  An Outline of Its Chemistry, Biochemistry and Technology, Fifth Edition, Studies in Inorganic Chemistry, #20 By D. E. C. Corbridge (University of Leeds). Elsevier:  Amsterdam. 1995. 1220 pp. $514.75. ISBN 0-444-89307-5. Thomas B. Rauchfuss p 7871 DOI: 10.1021/ja965522m

More than one mysteryExplorations in Quantum Interference By M. P. Silverman (Trinity College, CT). Springer-Verlag:  New York. 1995. xiv + 212 pp. $49.95. ISBN 0-387-94340-4. André D. Bandrauk pp 7871–7872 DOI: 10.1021/ja955246w

Modern Conformational Analysis By Helena Dodziuk (Polish Academy of Sciences, Poland). VCH:  New York. 1995. xii + 264 pp. $99.95. ISBN 1-56081-689-9. Alice Chung-Phillips p 7872 DOI: 10.1021/ja955383t

Supplements to the 2nd Edition of Rodd's Chemistry of Carbon Compounds, Vol. IV. Heterocyclic Compounds Edited by M. F. Ansell (Queen Mary College). Elsevier:  Amsterdam. 1995. xviii + 302 pp. $218.75. ISBN 0-444-82260-7. Philip D. Magnus p 7872 DOI: 10.1021/ja9655350

Biosensor and Chemical Sensor Technology:  Process Monitoring and Control Edited by Kim R. Rogers (US-EPA), Ashok Mulchandani (University of CaliforniaRiverside), and Weichang Zhou (Merck Research Laboratory). ACS:  Washington, DC. 1995. xii + 197 pp. $52.95. ISBN 0-8412-3330-6. p 7872 DOI: 10.1021/ja9656356

Issue 34

Photoreactions of γ,δ-Unsaturated Chromium Carbene Complexes William H. Moser and Louis S. Hegedus pp 7873–7880 DOI: 10.1021/ja9537585

Cyclic RGD Peptides Containing β-Turn Mimetics Roland Haubner, Wolfgang Schmitt, Günter Hölzemann, Simon L. Goodman, Alfred Jonczyk, and Horst Kessler pp 7881–7891 DOI: 10.1021/ja9608757 Supporting Info

Association of Short-Strand DNA Oligomers with Guanidinium-Linked Nucleosides. A Kinetic and Thermodynamic Study Andrei Blaskó, Robert O. Dempcy, Elvira E. Minyat, and Thomas C. Bruice pp 7892–7899 DOI: 10.1021/ja961308m Supporting Info

Ring-Opening Ziegler Polymerization of Methylenecycloalkanes Catalyzed by Highly Electrophilic d0/fn Metallocenes. Reactivity, Scope, Reaction Mechanism, and Routes to Functionalized Polyolefins Li Jia, Xinmin Yang, Affif M. Seyam, Israel D. L. Albert, Peng-Fei Fu, Shengtian Yang, and Tobin J. Marks pp 7900–7913 DOI: 10.1021/ja960811w Supporting Info

Structure-Based Design Tools:  Structural and Thermodynamic Comparison with Biotin of a Small Molecule That Binds to Streptavidin with Micromolar Affinity Bradley A. Katz, Beishan Liu, and Robert Cass pp 7914–7920 DOI: 10.1021/ja961357z

Base Catalysis and Leaving Group Dependence in Intramolecular Alcoholysis of Uridine 3‘-(Aryl phosphorothioate)s Helena Almer and Roger Strömberg pp 7921–7928 DOI: 10.1021/ja953399d

Preparation of Specifically Deuterated RNA for NMR Studies Using a Combination of Chemical and Enzymatic Synthesis Thomas J. Tolbert and James R. Williamson pp 7929–7940 DOI: 10.1021/ja961274i

Analytical Techniques for Combinatorial Chemistry:  Quantitative Infrared Spectroscopic Measurements of Deuterium-Labeled Protecting Groups Keith Russell, Derek C. Cole, Frances M. McLaren, and Don. E. Pivonka pp 7941–7945 DOI: 10.1021/ja960838f Supporting Info

Complete Relative Stereochemistry of Maitotoxin Wanjun Zheng, John A. DeMattei, Jiang-Ping Wu, James J.-W. Duan, Laura R. Cook, Hitoshi Oinuma, and Yoshito Kishi pp 7946–7968 DOI: 10.1021/ja961230+ Supporting Info

17O NMR Study of Chromium(VI) Ions in Water Nicola E. Brasch, David A. Buckingham, A. Bram Evans, and Charles R. Clark pp 7969–7980 DOI: 10.1021/ja960843j Supporting Info

Isolation and Reduction of Sterically Encumbered Arylboron Dihalides:  Novel Boranediyl Insertion into C−C σ-Bonds Warren J. Grigsby and Philip P. Power pp 7981–7988 DOI: 10.1021/ja960918j Supporting Info

New Configurationally Stable Chiral Building Blocks for Polynuclear Coordination Compounds:  Ru(chiragen[X])Cl2 Hansruedi Mürner, Peter Belser, and Alex von Zelewsky pp 7989–7994 DOI: 10.1021/ja961177p

Dynamic NMR Investigation of the Cope Rearrangement in Solutions of Monosubstituted Bullvalenes R. Poupko, H. Zimmermann, K. Müller, and Z. Luz pp 7995–8005 DOI: 10.1021/ja954004t

Reaction Pathways in Solid-State Processes. 1. Carbon-13 NMR and X-ray Crystallography of Fluorobullvalene K. Müller, H. Zimmermann, C. Krieger, R. Poupko, and Z. Luz pp 8006–8014 DOI: 10.1021/ja954005l Supporting Info

Reaction Pathways in Solid-State Processes. 2. Carbon-13 NMR and X-ray Crystallography of Cyanobullvalene and Bullvalenecarboxylic acid R. Poupko, K. Müller, C. Krieger, H. Zimmermann, and Z. Luz pp 8015–8023 DOI: 10.1021/ja954006d Supporting Info

Efficient Synthesis of Chiral ansa-Metallocenes by Amine Elimination. Synthesis, Structure, and Reactivity of rac-(EBI)Zr(NMe2)2 Gary M. Diamond, Richard F. Jordan, and Jeffrey L. Petersen pp 8024–8033 DOI: 10.1021/ja9604830 Supporting Info

Supramolecular Approaches to Second-Order Nonlinear Optical Materials. Self-Assembly and Microstructural Characterization of Intrinsically Acentric [(Aminophenyl)azo]pyridinium Superlattices Wenbin Lin, Weiping Lin, George K. Wong, and Tobin J. Marks pp 8034–8042 DOI: 10.1021/ja960395f Supporting Info

Synthesis, Characterization, and Neutron Activation of Holmium Metallofullerenes Dawson W. Cagle, Thomas P. Thrash, Michael Alford, L. P. Felipe Chibante, Gary J. Ehrhardt, and Lon J. Wilson pp 8043–8047 DOI: 10.1021/ja960841z Supporting Info

Tautomerism, Ionization, and Bond Dissociations of 5-Nitro-2,4-dihydro-3H-1,2,4-triazolone Nathan J. Harris and Koop Lammertsma pp 8048–8055 DOI: 10.1021/ja960834a Supporting Info

Molecular Mechanics and Statistical Thermodynamics Studies of Complexes of a Flexible Hemicarcerand with Neutral Guests Chimin Sheu and K. N. Houk pp 8056–8070 DOI: 10.1021/ja9535423

Origin of the Large N 1s Binding Energy in X-ray Photoelectron Spectra of Calcined Carbonaceous Materials Jordi Casanovas, Josep Manel Ricart, Jaime Rubio, Francesc Illas, and Juan Miguel Jiménez-Mateos pp 8071–8076 DOI: 10.1021/ja960338m

Nature of the Intramolecular Se···N Nonbonded Interaction of 2-Selenobenzylamine Derivatives. An Experimental Evaluation by 1H, 77Se, and 15N NMR Spectroscopy Michio Iwaoka and Shuji Tomoda pp 8077–8084 DOI: 10.1021/ja953358h Supporting Info

Excited-State Contributions to Ground-State Properties of Mixed-Valence Dimers:  Spectral and Electronic-Structural Studies of [Fe2(OH)3(tmtacn)2]2+ Related to the [Fe2S2]+ Active Sites of Plant-Type Ferredoxins Daniel R. Gamelin, Emile L. Bominaar, Martin L. Kirk, Karl Wieghardt, and Edward I. Solomon pp 8085–8097 DOI: 10.1021/ja9536633 Supporting Info

Laser Flash Photolysis Studies on Intra- and Intermolecular Reactions of Some Halocarbenes Michael T. H. Liu and Roland Bonneau pp 8098–8101 DOI: 10.1021/ja960176u

Formation of Paramagnetic Defect Centers in Aluminophosphate Molecular Sieves Suk Bong Hong, Sun Jin Kim, and Young Sun Uh pp 8102–8110 DOI: 10.1021/ja960419i

Electronic Structure of Neutral Tryptophan Radicals in Ribonucleotide Reductase Studied by EPR and ENDOR Spectroscopy Friedhelm Lendzian, Margareta Sahlin, Fraser MacMillan, Robert Bittl, Robert Fiege, Stephan Pötsch, Britt-Marie Sjöberg, Astrid Gräslund, Wolfgang Lubitz, and Günter Lassmann pp 8111–8120 DOI: 10.1021/ja960917r

Intramolecular Antiferromagnetic vs Ferromagnetic Spin Coupling through the Biphenyl Unit Andrzej Rajca and Suchada Rajca pp 8121–8126 DOI: 10.1021/ja961045w

Substituent Effects on the Lifetimes and Reactivities of Arylnitrenium Ions Studied by Laser Flash Photolysis and Photothermal Beam Deflection Rebecca J. Robbins, David M. Laman, and Daniel E. Falvey pp 8127–8135 DOI: 10.1021/ja961518z Supporting Info

Equilibrium Characterization and Alkylation Kinetics of a Lithium Enolate−Lithium Bromide Mixed Aggregate in THF1 Faraj Abu-Hasanayn and Andrew Streitwieser pp 8136–8137 DOI: 10.1021/ja960742l Supporting Info

Solid State Photochemistry:  Absolute Asymmetric Photocyclization of an Achiral S-Aryl o-Benzoylbenzothioate to an Optically Active Phthalide Involving a Novel Phenyl Migration Masami Sakamoto, Masaki Takahashi, Shin Moriizumi, Kentaro Yamaguchi, Tsutomu Fujita, and Shoji Watanabe pp 8138–8139 DOI: 10.1021/ja960823h Supporting Info

Nickel-Catalyzed Reaction of Highly Fluorinated Epoxides with Halogens Zhen-Yu Yang pp 8140–8141 DOI: 10.1021/ja961408s Supporting Info

RNA Photolabeling Mechanistic Studies:  X-ray Crystal Structure of the Photoproduct Formed between 4-Thiothymidine and Adenosine upon Near UV Irradiation Carole Saintomé, Pascale Clivio, Alain Favre, Jean-Louis Fourrey, and Claude Riche pp 8142–8143 DOI: 10.1021/ja961329g Supporting Info

Carbene-to-Carbene Oxygen Atom Transfer Dalila Kovacs, Ming-Shi Lee, David Olson, and James E. Jackson pp 8144–8145 DOI: 10.1021/ja961324j

Useful Information from Axial Peak Magnetization in Projected NMR Experiments T. Szyperski, D. Braun, B. Banecki, and K. Wüthrich pp 8146–8147 DOI: 10.1021/ja961015t Supporting Info

The Indol-2-ylglyoxylamide Moiety:  A New Building Block for the Design and Self-Assembly of Hydrogen Bond Networks David St. C. Black, Donald C. Craig, and Darryl B. McConnell pp 8148–8149 DOI: 10.1021/ja960803f Supporting Info

Site-Specific Protein Modification Using a Ketone Handle Virginia W. Cornish, Klaus M. Hahn, and Peter G. Schultz pp 8150–8151 DOI: 10.1021/ja961216x Supporting Info

Electron Transfer Reactions within Zeolites:  Radical Cation from Benzonorbornadiene K. Pitchumani, D. R. Corbin, and V. Ramamurthy pp 8152–8153 DOI: 10.1021/ja961535o

Imprinted Polymer Membranes for the Selective Transport of Targeted Neutral Molecules Jainamma Mathew-Krotz and K. J. Shea pp 8154–8155 DOI: 10.1021/ja954066j Supporting Info

Enantiofacially Selective Binding of Prochiral Olefins to a Chiral Catalyst via Simultaneous Face−Face and Edge−Face Aromatic Interactions Roger W. Quan, Zhen Li, and Eric N. Jacobsen pp 8156–8157 DOI: 10.1021/ja9618098 Supporting Info

A New Strategy for the Reiterative Synthesis of trans-Fused Tetrahydropyrans via Alkylation of Oxiranyl Anion and 6-endo Cyclization Yuji Mori, Keisuke Yaegashi, and Hiroshi Furukawa pp 8158–8159 DOI: 10.1021/ja961454s Supporting Info

Carbonylation of Acidic Hydrocarbons with Selenium and Carbon Monoxide. A Novel Method for Synthesis of Selenol Esters Hajime Maeda, Shin-ichi Fujiwara, Tsutomu Shin-Ike, Nobuaki Kambe, and Noboru Sonoda pp 8160–8161 DOI: 10.1021/ja9616995 Supporting Info

Saturation Kinetics in Dirhodium(II) Carboxylate-Catalyzed Decompositions of Diazo Compounds Michael C. Pirrung and Andrew T. Morehead, Jr. pp 8162–8163 DOI: 10.1021/ja961806v Supporting Info

Clusters as Ligands. Coordination of an Electronically Unsaturated Chromaborane to an Iron Tricarbonyl Fragment Hisako Hashimoto, Maoyu Shang, and Thomas P. Fehlner pp 8164–8165 DOI: 10.1021/ja9616387 Supporting Info

Stereocontrolled Total Syntheses of meso-Chimonanthine and meso-Calycanthine via a Novel Samarium Mediated Reductive Dialkylation J. T. Link and Larry E. Overman pp 8166–8167 DOI: 10.1021/ja961757m Supporting Info

Mössbauer Study of Cys56Ser Mutant 2Fe Ferredoxin from Clostridium Pasteurianum:  Evidence for Double Exchange in an [Fe2S2]+ Cluster Catalina Achim, Marie-Pierre Golinelli, Emile L. Bominaar, Jacques Meyer, and Eckard Münck pp 8168–8169 DOI: 10.1021/ja9617698

Measurement of Three-Bond 13C−13C J Couplings between Carbonyl and Carbonyl/Carboxyl Carbons in Isotopically Enriched Proteins Jin-Shan Hu and Ad Bax pp 8170–8171 DOI: 10.1021/ja9616239 Supporting Info

The Mechanism of Self-Catalyzed Site-Selective Functionalization of a Designed Helix−Loop−Helix Motif Klas Broo, Lars Brive, Ann-Christin Lundh, Per Ahlberg, and Lars Baltzer pp 8172–8173 DOI: 10.1021/ja961097l

Femtosecond Optical Control of Charge Shift within Electron Donor−Acceptor Arrays:  An Approach to Molecular Switches Martin P. Debreczeny, Walter A. Svec, Emily M. Marsh, and Michael R. Wasielewski pp 8174–8175 DOI: 10.1021/ja961804a Supporting Info

Diphenylphosphidoboratabenzene:  An Anionic Analogue of Triphenylphosphine Diego A. Hoic, William M. Davis, and Gregory C. Fu pp 8176–8177 DOI: 10.1021/ja9615740 Supporting Info

Stable Transition Metal−Enol Complexes in the Cycloheptatriene Ligand System James H. Rigby, Noormohamed M. Niyaz, and Priyantha Sugathapala pp 8178–8179 DOI: 10.1021/ja9617754 Supporting Info

Total Synthesis and Stereochemistry of Cytoblastin Ofir A. Moreno and Yoshito Kishi pp 8180–8181 DOI: 10.1021/ja9618412 Supporting Info

Experimental Measurement of Aromatic Stacking Affinities in the Context of Duplex DNA Kevin M. Guckian, Barbara A. Schweitzer, Rex X.-F. Ren, Charles J. Sheils, Pamela L. Paris, Deborah C. Tahmassebi, and Eric T. Kool pp 8182–8183 DOI: 10.1021/ja961733f Supporting Info

Albumin-Catalyzed Proton Transfer Kazuya Kikuchi, Simon N. Thorn, and Donald Hilvert pp 8184–8185 DOI: 10.1021/ja9617395

Advances in Carbocation Chemistry, Volume 2 Edited by James M. Coxon (University of Canterbury). JAI:  Greenwich, U.K. 1995. ix + 273 pp. $97.50. ISBN 0-89232-952-1. Kenneth K. Laali p 8186 DOI: 10.1021/ja9655799

Nylon Plastics Handbook Edited by Melvin I. Kohan (MIK Associates). Hanser:  Cincinnati, OH. 1995. xii + 631 pp. $198.00. ISBN 1-56990-189-9. Tamera S. Jahnke p 8186 DOI: 10.1021/ja9655808

Plastics, Rubber, and Paper Recycling:  A Pragmatic Approach Edited by Charles P. Rader (Advanced Elastomer Systems, L.P.), Sheryl D. Baldwin (Phillip Morris Research Center), David D. Cornell (Eastman Chemical Co.), George D. Sadler, (Illinois Institute of Technology), and Richard F. Stockel (Tosoh, USA). ACS:  Washington, DC. 1995. x + 532 pp. $119.95. ISBN 0-8412-3325-X. p 8186 DOI: 10.1021/ja965603i

Issue 35

A Practical Method for the Synthesis of Sialyl α-Glycosides Valeri Martichonok and George M. Whitesides pp 8187–8191 DOI: 10.1021/ja960148b Supporting Info

Electron Paramagnetic Resonance Investigations of a Kinetically Competent Intermediate Formed in Ribonucleotide Reduction: Evidence for a Thiyl Radical-Cob(II)alamin Interaction G. J. Gerfen, S. Licht, J.-P. Willems, B. M. Hoffman, and J. Stubbe pp 8192–8197 DOI: 10.1021/ja960363s

Recognition of a 5‘-(A,T)GGG(A,T)2-3‘ Sequence in the Minor Groove of DNA by an Eight-Ring Hairpin Polyamide Susanne E. Swalley, Eldon E. Baird, and Peter B. Dervan pp 8198–8206 DOI: 10.1021/ja9611598

8-Hydroxypenillic Acid from 6-Aminopenicillanic Acid:  A New Reaction Catalyzed by a Class C β-Lactamase R. F. Pratt, Marek Dryjanski, Edith S. Wun, and Vasilios M. Marathias pp 8207–8212 DOI: 10.1021/ja961685z

Kinetics and Mechanism of Hydrolysis of Aflatoxin B1 exo-8,9-Epoxide and Rearrangement of the Dihydrodiol William W. Johnson, Thomas M. Harris, and F. Peter Guengerich pp 8213–8220 DOI: 10.1021/ja960525k

Design and Study of Synthetic Chiral Nanoscopic Assemblies. Preparation and Characterization of Optically Active Hybrid, Iodonium−Transition-Metal and All-Transition-Metal Macrocyclic Molecular Squares Bogdan Olenyuk, Jeffery A. Whiteford, and Peter J. Stang pp 8221–8230 DOI: 10.1021/ja961444r Supporting Info

Three-Dimensional Models of ACE and NEP Inhibitors and Their Use in the Design of Potent Dual ACE/NEP Inhibitors Regine Bohacek, Stéphane De Lombaert, Colin McMartin, John Priestle, and Markus Grütter pp 8231–8249 DOI: 10.1021/ja950818y Supporting Info

Total Syntheses of (±)-Agelasimine-A, (±)-Agelasimine-B, and (±)-Purino-diterpene and the Structure of Diacetylagelasimine-A Masashi Ohba, Nobuo Kawase, and Tozo Fujii pp 8250–8257 DOI: 10.1021/ja960879b Supporting Info

Stereochemistry of the Thermal Isomerizations of trans-1-Ethenyl-2-phenylcyclopropane to 4-Phenylcyclopentene John E. Baldwin and Samuel J. Bonacorsi, Jr. pp 8258–8265 DOI: 10.1021/ja9613771

Tandem [4 + 2]/[3 + 2] Cycloadditions of Nitroalkenes. 9. Synthesis of (−)-Rosmarinecine Scott E. Denmark, Atli Thorarensen, and Donald S. Middleton pp 8266–8277 DOI: 10.1021/ja961630x Supporting Info

Temperature Effect on [2 + 2] Intramolecular Photocycloadditions Dan Becker and Yael Cohen-Arazi pp 8278–8284 DOI: 10.1021/ja9531079

Breaking of the C−C Bond of Cyclobutanones by Rhodium(I) and Its Extension to Catalytic Synthetic Reactions Masahiro Murakami, Hideki Amii, Kunji Shigeto, and Yoshihiko Ito pp 8285–8290 DOI: 10.1021/ja9604525

Origin of the Acidity of Enols and Carboxylic Acids Kenneth B. Wiberg, Joseph Ochterski, and Andrew Streitwieser pp 8291–8299 DOI: 10.1021/ja960631m Supporting Info

Photophysics of 7-Hydroxytetrahydroisoquinoline-3-carboxylic Acid and Its Derivatives Wiesław Wiczk, Krystyna Stachowiak, Piotr Skurski, Leszek Łankiewicz, Alicja Michniewicz, and Anna Rój pp 8300–8307 DOI: 10.1021/ja960852s

(+)-Trienomycins A, B, C, and F and (+)-Mycotrienins I and II:  Relative and Absolute Stereochemistry Amos B. Smith, III, John L. Wood, Weichyun Wong, Alexandra E. Gould, Carmelo J. Rizzo, Joseph Barbosa, Kanki Komiyama, and Satoshi Ōmura pp 8308–8315 DOI: 10.1021/ja961400i Supporting Info

Total Syntheses of (+)-Trienomycins A and F via a Unified Strategy Amos B. Smith, III, Joseph Barbosa, Weichyun Wong, and John L. Wood pp 8316–8328 DOI: 10.1021/ja961401a Supporting Info

Macromolecule-like Aspects for a Colloidal Suspension of an Exfoliated Titanate. Pairwise Association of Nanosheets and Dynamic Reassembling Process Initiated from It Takayoshi Sasaki, Mamoru Watanabe, Hideo Hashizume, Hirohisa Yamada, and Hiromoto Nakazawa pp 8329–8335 DOI: 10.1021/ja960073b

Cis−Trans Isomerization of a Cyclopropyl Radical Trap Catalyzed by Extradiol Catechol Dioxygenases:  Evidence for a Semiquinone Intermediate Emma L. Spence, G. John Langley, and Timothy D. H. Bugg pp 8336–8343 DOI: 10.1021/ja9607704 Supporting Info

Synthesis, Structure, Electronic Spectroscopy, Photophysics, Electrochemistry, and X-ray Photoelectron Spectroscopy of Highly-Electron-Deficient [5,10,15,20-Tetrakis(perfluoroalkyl)porphinato]zinc(II) Complexes and Their Free Base Derivatives James G. Goll, Kevin T. Moore, Abhik Ghosh, and Michael J. Therien pp 8344–8354 DOI: 10.1021/ja9610904 Supporting Info

Gas-Phase Conformation of Biological Molecules:  Bradykinin Thomas Wyttenbach, Gert von Helden, and Michael T. Bowers pp 8355–8364 DOI: 10.1021/ja9535928

Influence of Peptide Composition, Gas-Phase Basicity, and Chemical Modification on Fragmentation Efficiency:  Evidence for the Mobile Proton Model Ashok R. Dongré, Jennifer L. Jones, Árpád Somogyi, and Vicki H. Wysocki pp 8365–8374 DOI: 10.1021/ja9542193

Examination of Sputtered Ion Mechanisms Leading to the Formation of C7H7+ during Surface Induced Dissociation (SID) Tandem Mass Spectrometry (MS/MS) of Benzene Molecular Cations Mark J. Hayward, Frederick D. S. Park, Lynn M. Phelan, Steven L. Bernasek, Árpád Somogyi, and Vicki H. Wysocki pp 8375–8380 DOI: 10.1021/ja960332x

Structure-Based Design of a Sulfonamide Probe for Fluorescence Anisotropy Detection of Zinc with a Carbonic Anhydrase-Based Biosensor Daniel Elbaum, Satish K. Nair, Marcia W. Patchan, Richard B. Thompson, and David W. Christianson pp 8381–8387 DOI: 10.1021/ja954102e

Hydride Exchange Processes in the Coordination Sphere of Transition Metal Complexes:  The OsH3(BH4)(PR3)2 System Isabelle Demachy, Miguel A. Esteruelas, Yves Jean, Agustí Lledós, Feliu Maseras, Luis A. Oro, Cristina Valero, and François Volatron pp 8388–8394 DOI: 10.1021/ja9526170

Comparison between SiMe2 and CMe2 Spacers as σ-Bridges for Photoinduced Charge Transfer Cornelis A. van Walree, Martin R. Roest, Wouter Schuddeboom, Leonardus W. Jenneskens, Jan W. Verhoeven, John M. Warman, Huub Kooijman, and Anthony L. Spek pp 8395–8407 DOI: 10.1021/ja960546e Supporting Info

Orientationally-Selected Two-Dimensional ESEEM Spectroscopy of the Rieske-Type Iron−Sulfur Cluster in 2,4,5-Trichlorophenoxyacetate Monooxygenase from Burkholderia cepacia AC1100 Sergei A. Dikanov, Luying Xun, Adrienne B. Karpiel, Alexei M. Tyryshkin, and Michael K. Bowman pp 8408–8416 DOI: 10.1021/ja960781x

The Photochemistry of Ethylene Episulfoxide Fei Wu, Xirong Chen, and Brad R. Weiner pp 8417–8424 DOI: 10.1021/ja960968o

Long-Lived Triplet State Charge Separation in Novel Piperidine-Bridged Donor−Acceptor Systems Saskia I. van Dijk, Cornelis P. Groen, František Hartl, Albert M. Brouwer, and Jan W. Verhoeven pp 8425–8432 DOI: 10.1021/ja960980g

Molecular Self-Assemblies. 5. Analysis of the Vector Properties of Hydrogen Bonding in Crystal Engineering Jerry Perlstein, Kevin Steppe, Shai Vaday, and Edmund Moses N. Ndip pp 8433–8443 DOI: 10.1021/ja9543412 Supporting Info

Structures and Energetics of Some Silicon−Phosphorus Compounds:  SiHmPHn, SiHmPHnSiHo, and (SiH3)3P. An ab Initio Molecular Orbital Study Anwar G. Baboul and H. Bernhard Schlegel pp 8444–8451 DOI: 10.1021/ja960771w Supporting Info

Charge Screening and the Dielectric Constant of Proteins:  Insights from Molecular Dynamics Thomas Simonson and Charles L. Brooks III pp 8452–8458 DOI: 10.1021/ja960884f

Poly(oxyethylene)−Water Interactions:  A Molecular Dynamics Study Kenzabu Tasaki pp 8459–8469 DOI: 10.1021/ja951005c

Theoretical Studies of the [N]Phenylenes Jerome M. Schulman and Raymond L. Disch pp 8470–8474 DOI: 10.1021/ja9611811 Supporting Info

Monte Carlo Investigations of Solvent Effects on the Chorismate to Prephenate Rearrangement Heather A. Carlson and William L. Jorgensen pp 8475–8484 DOI: 10.1021/ja961500o Supporting Info

Trifluoromethyl-Substituted Imidazolines:  Novel Precursors of Trifluoromethyl Ketones Amenable to Peptide Synthesis Christopher W. Derstine, David N. Smith, and John A. Katzenellenbogen pp 8485–8486 DOI: 10.1021/ja9614833 Supporting Info

Determination of Peptide Conformations by Two-Dimensional Magic Angle Spinning NMR Exchange Spectroscopy with Rotor Synchronization David P. Weliky and Robert Tycko pp 8487–8488 DOI: 10.1021/ja960178e Supporting Info

Enantioselective Allylzincation of Cyclic Aldimines in the Presence of Anionic Bis-oxazoline Ligand Masaharu Nakamura, Atsushi Hirai, and Eiichi Nakamura pp 8489–8490 DOI: 10.1021/ja961213k Supporting Info

Asymmetric Synthesis of 2H-Azirine Carboxylic Esters by an Alkaloid-Mediated Neber Reaction Mariëlle M. H. Verstappen, Gerry J. A. Ariaans, and Binne Zwanenburg pp 8491–8492 DOI: 10.1021/ja961414o Supporting Info

Simulated Annealing of Chemical Potential:  A General Procedure for Locating Bound Waters. Application to the Study of the Differential Hydration Propensities of the Major and Minor Grooves of DNA Frank Guarnieri and Mihaly Mezei pp 8493–8494 DOI: 10.1021/ja961482a

Cholesterol Recognition and Binding by Cyclodextrin Dimers Ronald Breslow and Biliang Zhang pp 8495–8496 DOI: 10.1021/ja961567b

Solvatochromism of an Aminobenzodifuranone:  An Unprecedented Positive Wavelength Shift A. A. Gorman, M. G. Hutchings, and P. D. Wood pp 8497–8498 DOI: 10.1021/ja961698c

Enzymatic Formation of Isochamigrene, a Novel Sesquiterpene, by Alteration of the Aspartate-Rich Region of Trichodiene Synthase David E. Cane, Qun Xue, and James E. Van EppYoula S. Tsantrizos pp 8499–8500 DOI: 10.1021/ja961897w

Intramolecular Condensation Reactions of α,ω-Bis(triethoxysilyl)alkanes. Formation of Cyclic Disilsesquioxanes Douglas A. Loy, Joseph P. Carpenter, Sharon A. Myers, Roger A. Assink, James H. Small, John Greaves, and Kenneth J. Shea pp 8501–8502 DOI: 10.1021/ja961409k Supporting Info

Triprotonated Methane, CH73+:  The Parent Heptacoordinate Carbonium Ion1 George A. Olah and Golam Rasul pp 8503–8504 DOI: 10.1021/ja961081v

Direct Measurements of Unimolecular Radical Kinetics Employing Ultrafast Radical Rearrangements as Reporters Martin Newcomb, Noriko Tanaka, Anne Bouvier, Christopher Tronche, John H. Horner, Osama M. Musa, and Felix N. Martinez pp 8505–8506 DOI: 10.1021/ja961615s Supporting Info

Stereochemistry of Hydrogen Migration from C-24 to C-25 during Phytosterol Biomethylation De-an Guo, Zhonghua Jia, and W. David Nes pp 8507–8508 DOI: 10.1021/ja9612155

Saponins:  Chemistry and Pharmacology of Natural Products By K. Hostettman and A. Marston (Lausanne University, Switzerland). Cambridge University Press:  Cambridge, U.K. 1995. xii + 548 pp. $120.00. ISBN 0-521-32970-1. George R. Waller p 8509 DOI: 10.1021/ja9553056

Conformational Theory of Large Molecules:  The Rotational Isomeric State Model in Macromolecular Systems By Wayne L. Mattice (University of Akron) and Ulrich W. Suter (ETH, Zurich). Wiley:  New York. 1994. xv + 449 pp. $54.95. ISBN 0-471-84338-5. Charles P. Woodbury, Jr., and Anton J. Hopfinger pp 8509–8510 DOI: 10.1021/ja9451426

Kirk-Othmer Encyclopedia of Chemical Technology, Volume 13:  Helium Group to Hypnotics Edited by Jacqueline I. Kroschwitz and Mary Howe-Grant. Wiley:  New York. 1995. xxviii + 1100 pp. $295.00. ISBN 0-471-52682-7. p 8510 DOI: 10.1021/ja955226u

Optical Rheometry of Complex Fluids By G. G. Fuller (Stanford University). Oxford:  New York. 1995. xiv + 268 pp. $60.00. ISBN 0-19-509718-1. Harry J. Ploehn p 8510 DOI: 10.1021/ja965501s

Fundamental and Applied Catalysis:  Chemical Kinetics and Catalysis By R. A. van Santen and J. W. Niemantsverdriet (Einhoven University of Technology). Plenum:  New York. 1995. xi + 280. $69.50. ISBN 0-306-45027-5. Craig E. Barnes p 8510 DOI: 10.1021/ja965533f

Seventeenth Texas Symposium on Relativistic Astrophysics and Cosmology Edited by Hans Bohringer, Gregor E. Morfill, and Joachim E. Trumper (Max-Planck-Institut fur Extraterresriche Physik). Annals of the New York Academy of Sciences. New York Academy of Sciences:  New York. 1995. 728 pp. $190.00. ISBN 0-89766-941-X. p 8510 DOI: 10.1021/ja965642u

Issue 36

A Novel Bicyclic Enzyme Inhibitor as a Consensus Peptidomimetic for the Receptor-Bound Conformations of 12 Peptidic Inhibitors of HIV-1 Protease Robert C. Reid, Darren R. March, Michael J. Dooley, Doug A. Bergman, Giovanni Abbenante, and David P. Fairlie pp 8511–8517 DOI: 10.1021/ja960433v Supporting Info

Comparative Total Syntheses of Turkey Ovomucoid Third Domain by Both Stepwise Solid Phase Peptide Synthesis and Native Chemical Ligation Wuyuan Lu, M. A. Qasim, and Stephen B. H. Kent pp 8518–8523 DOI: 10.1021/ja960812o

Molecular Recognition of Nucleotides by the Guanidinium Unit at the Surface of Aqueous Micelles and Bilayers. A Comparison of Microscopic and Macroscopic Interfaces Mitsuhiko Onda, Kanami Yoshihara, Hiroshi Koyano, Katsuhiko Ariga, and Toyoki Kunitake pp 8524–8530 DOI: 10.1021/ja960991+

Probing the Active Site of Acetylcholinesterase by Molecular Dynamics of Its Phosphonate Ester Adducts Akos Bencsura, Istvan Y. Enyedy, and Ildiko M. Kovach pp 8531–8541 DOI: 10.1021/ja952406v

Preparation of a Novel Cross-Linked Polymer for Second-Order Nonlinear Optics Mikael Trollsås, Christian Orrenius, Fredrik Sahlén, Ulf W. Gedde, Torbjörn Norin, Anders Hult, David Hermann, Per Rudquist, Lachezar Komitov, Sven T. Lagerwall, and Jan Lindström pp 8542–8548 DOI: 10.1021/ja961309e

Porphyrin Wheels Albertus P. H. J. Schenning, Fransicus B. G. Benneker, Hubertus P. M. Geurts, Xiang Y. Liu, and Roeland J. M. Nolte pp 8549–8552 DOI: 10.1021/ja961234e

Michael Reaction of Stabilized Carbon Nucleophiles Catalyzed by [RuH2(PPh3)4] Enrique Gómez-Bengoa, Juan M. Cuerva, Cristina Mateo, and Antonio M. Echavarren pp 8553–8565 DOI: 10.1021/ja961373w Supporting Info

Addition versus Oxygenation of Alkylbenzenes with 10-Methylacridinium Ion via Photoinduced Electron Transfer Morifumi Fujita, Akito Ishida, Setsuo Takamuku, and Shunichi Fukuzumi pp 8566–8574 DOI: 10.1021/ja9538952

Energetics of a Low Barrier Hydrogen Bond in Nonpolar Solvents Yoko Kato, Leticia M. Toledo, and Julius Rebek, Jr. pp 8575–8579 DOI: 10.1021/ja960288l

Cubic Group 13 Heterosiloxanes with Four Co3(CO)9C Cluster Units as Substituents:  Novel Soluble Model Compounds for Synthetic Zeolites Showing Catalytic Activity in Hydroformylation Reactions Uwe Ritter, Norbert Winkhofer, Ramaswamy Murugavel, Andreas Voigt, Dietmar Stalke, and Herbert W. Roesky pp 8580–8587 DOI: 10.1021/ja952986w Supporting Info

The Molybdenum Site of Sulfite Oxidase:  A Comparison of Wild-Type and the Cysteine 207 to Serine Mutant Using X-ray Absorption Spectroscopy Graham N. George, Robert M. Garrett, Roger C. Prince, and K. V. Rajagopalan pp 8588–8592 DOI: 10.1021/ja961218h

Novel Redox Chemistry of [3Fe−4S] Clusters:  Electrochemical Characterization of the All-Fe(II) Form of the [3Fe−4S] Cluster Generated Reversibly in Various Proteins and Its Spectroscopic Investigation in Sulfolobus acidocaldarius Ferredoxin Jillian L. C. Duff, Jacques L. J. Breton, Julea N. Butt, Fraser A. Armstrong, and Andrew J. Thomson pp 8593–8603 DOI: 10.1021/ja961465l

Nature and Origin of Stable Metallic State in Organic Charge-Transfer Complexes of Bis(ethylenedioxy)tetrathiafulvalene Sachio Horiuchi, Hideki Yamochi, Gunzi Saito, Ken-ichi Sakaguchi, and Masami Kusunoki pp 8604–8622 DOI: 10.1021/ja960393v Supporting Info

Dinitrogen Cleavage by Three-Coordinate Molybdenum(III) Complexes:  Mechanistic and Structural Data1 Catalina E. Laplaza, Marc J. A. Johnson, Jonas C. Peters, Aaron L. Odom, Esther Kim, Christopher C. Cummins, Graham N. George, and Ingrid J. Pickering pp 8623–8638 DOI: 10.1021/ja960574x Supporting Info

A Self-Assembled Matrix Monolayer for UV-MALDI Mass Spectrometry Stéphane Mouradian, Christine M. Nelson, and Lloyd M. Smith pp 8639–8645 DOI: 10.1021/ja953585j

Probing the Nature of Noncovalent Interactions by Mass Spectrometry. A Study of Protein−CoA Ligand Binding and Assembly Carol V. Robinson, Evonne W. Chung, Birthe B. Kragelund, Jens Knudsen, Robin T. Aplin, Flemming M. Poulsen, and Christopher M. Dobson pp 8646–8653 DOI: 10.1021/ja960211x

Gas-Phase Study of the Formation and Dissociation of Fe(CO)4H2:  Kinetics and Bond Dissociation Energies Wenhua Wang, Amy A. Narducci, Paul G. House, and Eric Weitz pp 8654–8657 DOI: 10.1021/ja960252t

Small and Medium-Sized Bridgehead Bicyclic Lactams:  A Systematic ab Initio Molecular Orbital Study Arthur Greenberg, David T. Moore, and Thomas D. DuBois pp 8658–8668 DOI: 10.1021/ja960294h

Charged Phenyl Radicals Kami K. Thoen, Rebecca L. Smith, Jaakko J. Nousiainen, Eric D. Nelson, and Hilkka I. Kenttämaa pp 8669–8676 DOI: 10.1021/ja960542+

A Dynamic Model of Reaction Pathway Effects on Parahydrogen-Induced Nuclear Spin Polarization Gerd Buntkowsky, Joachim Bargon, and Hans-Heinrich Limbach pp 8677–8683 DOI: 10.1021/ja954188b

Novel Organic Ions of High-Spin States. 5. Generation of a High-Spin Ground-State Anion from an Intramolecularly Spin-Frustrated System Toshihiro Nakamura, Takamasa Momose, Tadamasa Shida, Kazunobu Sato, Shigeaki Nakazawa, Takamasa Kinoshita, Takeji Takui, Koichi Itoh, Tsunehisa Okuno, Akira Izuoka, and Tadashi Sugawara pp 8684–8687 DOI: 10.1021/ja954233f

Efficient NMR Pulse Sequences to Transfer the Parahydrogen-Induced Polarization to Hetero Nuclei Mathias Haake, Johannes Natterer, and Joachim Bargon pp 8688–8691 DOI: 10.1021/ja960067f

The Purple Mixed-Valence CuA Center in Nitrous-oxide Reductase:  EPR of the Copper-63-, Copper-65-, and Both Copper-65- and [15N]Histidine-Enriched Enzyme and a Molecular Orbital Interpretation Frank Neese, Walter G. Zumft, William E. Antholine, and Peter M. H. Kroneck pp 8692–8699 DOI: 10.1021/ja960125x Supporting Info

19F Nuclear Magnetic Resonance Chemical Shifts of Fluorine Containing Aliphatic Amino Acids in Proteins:  Studies on Lactobacillus casei Dihydrofolate Reductase Containing (2S,4S)-5-Fluoroleucine James Feeney, John E. McCormick, Christopher J. Bauer, Berry Birdsall, Claire M. Moody, Bernard A. Starkmann, Douglas W. Young, Peter Francis, Robert H. Havlin, William D. Arnold, and Eric Oldfield pp 8700–8706 DOI: 10.1021/ja960465i Supporting Info

Identification of the CO-Binding Cluster in Nitrogenase MoFe Protein by ENDOR of 57Fe Isotopomers Patricia D. Christie, Hong-In Lee, Linda M. Cameron, Brian J. Hales, W. H. Orme-Johnson, and Brian M. Hoffman pp 8707–8709 DOI: 10.1021/ja961289g

Nonempirical Calculations of a Hydrated RNA Duplex Jürg Hutter, Paolo Carloni, and Michele Parrinello pp 8710–8712 DOI: 10.1021/ja9612209

Conducting Polymetallorotaxanes:  A Supramolecular Approach to Transition Metal Ion Sensors S. Sherry Zhu, Patrick J. Carroll, and Timothy M. Swager pp 8713–8714 DOI: 10.1021/ja9619667

Effects of Pressure on the Azafullerene (C59N)2 Molecular Solid to 22 GPa Craig M. Brown, Ernst Beer, Cheryl Bellavia, Luigi Cristofolini, Rosario González, Michael Hanfland, Daniel Häusermann, Majid Keshavarz-K, Konstantinos Kordatos, Kosmas Prassides, and Fred Wudl pp 8715–8716 DOI: 10.1021/ja9608609 Supporting Info

π-Conjugated Oligomers and Polymers with a Self-Assembled Ladder-like Structure Didier A. P. Delnoye, Rint P. Sijbesma, Jef A. J. M. Vekemans, and E. W. Meijer pp 8717–8718 DOI: 10.1021/ja9614171

EPR and Spin Trapping Investigations of Nitric Oxide (•NO) from UV Irradiated Nitrite Anions in Alkaline Aqueous Solutions Krzysztof J. Reszka, Piotr Bilski, and Colin F. Chignell pp 8719–8720 DOI: 10.1021/ja960922v

Solution-Based Assembly of Metal Surfaces by Combinatorial Methods Bonnie E. Baker, Nicole J. Kline, Patrick J. Treado, and Michael J. Natan pp 8721–8722 DOI: 10.1021/ja961327w Supporting Info

Anomalous Effects of Para Substituents on the Stability of Sterically Congested Triplet Diarylcarbenes. The First Triplet Carbene Surviving over Minutes under Normal Conditions Hideo Tomioka, Makoto Hattori, Katsuyuki Hirai, and Shigeru Murata pp 8723–8724 DOI: 10.1021/ja9616488

Rapid Identification of Ordered and Disordered Domains in NMR Structures Craig E. Kundrot pp 8725–8726 DOI: 10.1021/ja961495o

1,3-Asymmetric Induction via 1,5-Hydrogen Atom Translocation Reactions. Highly Enantioselective Synthesis of β-Substituted β-Amino Acids F. Beaulieu, J. Arora, U. Veith, N. J. Taylor, B. J. Chapell, and V. Snieckus pp 8727–8728 DOI: 10.1021/ja961484v Supporting Info

A Novel Tandem Cyclization of 2,7- or 2,8-Bis-Unsaturated Esters Mediated by (η2-Propene)TiX2 (X = Cl or O-i-Pr). A Facile Construction of Bicyclo[3.3.0]octane, -[4.3.0]nonane, and -[3.1.0]hexane Skeletons Ken Suzuki, Hirokazu Urabe, and Fumie Sato pp 8729–8730 DOI: 10.1021/ja961928n Supporting Info

Design and Self-Assembly of Nanoscale Organoplatinum Macrocycles Joseph Manna, Jeffery A. Whiteford, and Peter J. StangDavid C. Muddiman and Richard D. Smith pp 8731–8732 DOI: 10.1021/ja962041u Supporting Info

Unique Reactivities of New Highly Coordinated Ate Complexes of Organozinc Derivatives Masanobu Uchiyama, Minako Koike, Mitsuyoshi Kameda, Yoshinori Kondo, and Takao Sakamoto pp 8733–8734 DOI: 10.1021/ja961320e Supporting Info

Peroxynitrite Decomposition Catalysts Michael K. Stern, Michael P. Jensen, and Keith Kramer pp 8735–8736 DOI: 10.1021/ja961279f

Synthesis, Structure, and Reactivity Studies of an η2-N2-Titanium Diazoalkane Complex. Generation and Trapping of a Carbene Complex Intermediate Jennifer L. Polse, Richard A. Andersen, and Robert G. Bergman pp 8737–8738 DOI: 10.1021/ja9614981 Supporting Info

Supramolecular Jacks:  Control of Interlayer Interactions in Layered Vanadyl Phosphonates on the Angstrom Length Scale Mark R. Torgerson and Daniel G. Nocera pp 8739–8740 DOI: 10.1021/ja961914h

Photocycloaddition of 4,4-Dimethylcyclohexenone to 1,1-Diphenylethylene. Evidence for a Triplet Exciplex Intermediate Richard A. Caldwell, Duane C. Hrncir, Trinidad Muñoz, Jr., and David J. Unett pp 8741–8742 DOI: 10.1021/ja9606891

Synthesis and Characterization of a C36H12 Fullerene Subunit Lawrence T. Scott, Matthew S. Bratcher, and Stefan Hagen pp 8743–8744 DOI: 10.1021/ja9621511

Methyl(hydrido)platinum(IV) Complexes That Are Resistant to Reductive Elimination, Including the First (μ-Hydrido)diplatinum(IV) Complex Geoffrey S. Hill and Richard J. Puddephatt pp 8745–8746 DOI: 10.1021/ja961404n

Cleavage of DNA by Irradiation of Substituted Anthraquinones:  Intercalation Promotes Electron Transfer and Efficient Reaction at GG Steps Danith Ly, Yongzhi Kan, Bruce Armitage, and Gary B. Schuster pp 8747–8748 DOI: 10.1021/ja9615785 Supporting Info

Substitution of η2-Dihydrogen by Toluene and Alkanes in IrXH2(H2)(PPri3)2 Complexes Do W. Lee and Craig M. Jensen pp 8749–8750 DOI: 10.1021/ja9619014 Supporting Info

Chiral Recognition Is Observed in the Deprotonation Reaction of Cytochrome c by (2R)- and (2S)-2-Butylamine Elvira Camara, M. Kirk Green, Sharron G. Penn, and Carlito B. Lebrilla pp 8751–8752 DOI: 10.1021/ja960686o

Effects of Electrostatic Anisotropy on the Properties of de Novo 4-α-Helix Bundles Dave Ptak pp 8753–8754 DOI: 10.1021/ja953515c

Retro-Diels−Alder Femtosecond Reaction Dynamics B. A. Horn, J. L. Herek, and A. H. Zewail pp 8755–8756 DOI: 10.1021/ja9620696

Biosynthesis of DTX-4:  Confirmation of a Polyketide Pathway, Proof of a Baeyer−Villiger Oxidation Step, and Evidence for an Unusual Carbon Deletion Process J. L. C. Wright, T. Hu, J. L. McLachlan, J. Needham, and J. A. Walter pp 8757–8758 DOI: 10.1021/ja961715y Supporting Info

Dysidiolide:  A Novel Protein Phosphatase Inhibitor from the Caribbean Sponge Dysidea etheria de Laubenfels Sarath P. Gunasekera, Peter J. McCarthy, and Michelle Kelly-BorgesEmil Lobkovsky and Jon Clardy pp 8759–8760 DOI: 10.1021/ja961961+ Supporting Info

Transition State Analogs for Protein Farnesyltransferase Pamela B. Cassidy and C. Dale Poulter pp 8761–8762 DOI: 10.1021/ja961214c

Mechanistic Studies of 1-Aminocyclopropane-1-carboxylate Deaminase:  Unique Covalent Catalysis by Coenzyme B6 Keqiang Li, Wensheng Du, Nanette Loida S. Que, and Hung-wen Liu pp 8763–8764 DOI: 10.1021/ja960822p

A Short Enantioselective Total Synthesis of Dammarenediol II E. J. Corey and Shouzhong Lin pp 8765–8766 DOI: 10.1021/ja9620806 Supporting Info

Synthesis of Tetraphenyltetraacenaphthoporphyrin:  A New Highly Conjugated Porphyrin System with Remarkably Red-Shifted Electronic Absorption Spectra Timothy D. Lash and Pushpa Chandrasekar pp 8767–8768 DOI: 10.1021/ja961227q Supporting Info

Distal Pocket Polarity in the Unusual Ligand Binding Site of Soluble Guanylate Cyclase:  Implications for the Control of •NO Binding Seonyoung Kim, Geurt Deinum, Matthew T. Gardner, Michael A. Marletta, and Gerald T. Babcock pp 8769–8770 DOI: 10.1021/ja961411b

Bacteria-Mediated Lithography of Polymer Surfaces A. Aherne, C. Alexander, M. J. Payne, N. Perez, and E. N. Vulfson pp 8771–8772 DOI: 10.1021/ja960123c

Research-Doctorate Programs in the United States:  Continuity and Change Edited by Marvin L. Goldberger, Brenden A. Maher, and Pamela E. Flattau. National Academy Press:  Washington, DC. 1995. xiv + 740 pp. $59.95. ISBN 0-309-05094-7. p 8773 DOI: 10.1021/ja965640+

Methane and Alkane Conversion Chemistry Edited by Madan M. Bhasin (Union Carbide) and D. W. Slocum (Western Kentucky University). Plenum:  New York. 1995. ix + 349 pp. $110.00. ISBN 0-306-45212-X. p 8773 DOI: 10.1021/ja9656412

High Resolution Laser Photoionization and Photoelectron Studies Edited by Ivan Powis (University of Nottingham, England), Tomas Baer (University of North CarolinaChapel Hill), and Cheuk-Yiu Ng (Iowa State University). Wiley:  New York. 1995. xvi + 509 pp. $154.00. ISBN 0-471-94158-1. Joseph Berkowitz pp 8773–8774 DOI: 10.1021/ja955349e

Issues in Environmental Science and Technology, Volume 4:  Volatile Organic Compounds in the Atmosphere Edited by R. E. Hester (University of York) and R. M. Harrison (University of Birmingham). The Royal Society of Chemistry:  Cambridge. 1995. xi + 140 pp. $27.00. ISBN 0-85404-215-6. Robert M. Hammaker p 8774 DOI: 10.1021/ja965571z

Electronic Processes in CatalysisA Quantum Chemical Approach to Catalysis By S. Yoshida (Kyoto University), S. Sakaki (Kumamoto University), and H. Kobayashi (Kyoto Prefectural University). VCH:  Weinheim. 1994. xii + 284 pp. $100.00. ISBN 3-527-25265-9. Suzanne Harris pp 8774–8775 DOI: 10.1021/ja955153e

Advances in Nitrogen Heterocycles. Volume 1 Edited by Christopher J. Moody (Loughborough University). JAI:  London. 1995. xi + 257 pp. $97.50. ISBN 0-89232-864-9. Richard J. Sundberg p 8775 DOI: 10.1021/ja955344h

Studies in Surface Science and Catalysis #92:  Science and Technology in Catalysis 1994 Edited by Y. Izumi (Nagoya University), H. Arai (Kyushu University), and M. Iwamoto (Hokkaido University). Elsevier:  Amsterdam. 1995. xxii + 472 pp. $291.25. ISBN 0-444-82189-9. p 8775 DOI: 10.1021/ja9553819

Interleukin-6-Type Cytokines Edited by Andrzej Mackiewicz (Great Poland Cancer Center), Aleksander Koj (Jagiellonian University), and Pravin Sehgal (New York Medical College). Annals of the New York Academy of Sciences. New York Academy of Sciences:  New York. 1995. 518 pp. $150.00. ISBN 0-89766-931-2. p 8775 DOI: 10.1021/ja965543g

Osteopontin:  Role in Cell Signalling and Adhesion Edited by David T. Denhardt (Rutgers University), William T. Butler (Texas Medical Center), Ann F. Chambers (University of Western Ontario), and Donald R. Denger (Beth Israel Hospital). Annals of the New York Academy of Sciences. New York Academy of Sciences:  New York. 1995. 388 pp. $110.00. ISBN 0-89766-9389-8. p 8775 DOI: 10.1021/ja965548d

Kirk-Othmer Encyclopedia of Chemical Technology, Volume 16:  Mass Transfer to Neuro-Regulators Edited by Jacqueline I. Kroschwitz and Mary Howe-Grant. Wiley:  New York. 1995. xxviii + 1117 pp. $295.00. ISBN 0-471-52685-1. pp 8775–8776 DOI: 10.1021/ja965628h

Synthesis and Applications of Isotopically Labelled Compounds 1994 Edited by J. Allen (Synthelabo Recherche, France) and R. Voges (Sandoz Pharma, Switzerland). Wiley:  New York. 1995. xxix + 935 pp. $199.95. ISBN 0-471-95143-9. p 8776 DOI: 10.1021/ja955316z

Advances in Biochemical Engineering/Biotechnology, Volume 52. Microbial and Enzymatic Bioproducts Edited by A. Fiechter (ETH Zurich). Springer:  New York. 1995. vi + 199 pp. $147.00. ISBN 3-540-59113-3. p 8776 DOI: 10.1021/ja955391+

High Performance Liquid Chromatography:  Principles and Methods in Biotechnology Edited by Elena D. Katz (Perkin-Elmer Corp.). Wiley:  New York. 1996. x + 522 pp. $84.95. ISBN 0-471-93444-5. p 8776 DOI: 10.1021/ja9656560

Organic Reactions, Volume 48 Edited by Leo A. Paquette. Wiley:  New York. 1996. vii + 880 pp. $99.95. ISBN 0-471-14699-4. p 8776 DOI: 10.1021/ja965657s

Bioluminescence and Chemiluminescence Fundamentals and Applied Aspects Edited by A. K. Campbell, L. J. Kricka, and P. E. Stanley. Wiley:  New York. 1996. xxiii + 672 pp. $195.00. ISBN 0-471-95548-5. p 8776 DOI: 10.1021/ja965658k

Advances in Mass Spectrometry, Vol. 13 Edited by I. Cornides (Eotvos University), Gy. Horvath (Institute for Drug Research), and K. Vekey (Central Research Institute for Chemistry HAS). Wiley:  New York. 1996. xviii + 645 pp. $245.00. ISBN 0-471-95323-7. p 8776 DOI: 10.1021/ja965659c

Issue 37

Equilibrium Acidities and Homolytic Bond Dissociation Energies of N−H and/or O−H Bonds in N-Phenylhydroxylamine and Its Derivatives Frederick G. Bordwell and Wei-Zhong Liu pp 8777–8781 DOI: 10.1021/ja960152n

Systematically Cross-Linked Human Hemoglobin:  Functional Effects of 10 Å Spans between Beta Subunits at Lysine-82 Ronald Kluger, Lixin Shen, Hong Xiao, and Richard T. Jones pp 8782–8786 DOI: 10.1021/ja961443z

A Re-examination of Two Linear Pentapeptides Claimed To Be Serine Protease Mimics Anthony M. Vandersteen and Kim D. Janda pp 8787–8790 DOI: 10.1021/ja9616140

Structure of Actinomycin D bound with (GAAGCTTC)2 and (GATGCTTC)2 and Its Binding to the (CAG)n:(CTG)n Triplet Sequence As Determined by NMR Analysis Chenyang Lian, Howard Robinson, and Andrew H.-J. Wang pp 8791–8801 DOI: 10.1021/ja961631p Supporting Info

Solvent Isotope Effects in H2O−D2O Mixtures (Proton Inventories) on Serine-Protease-Catalyzed Hydrolysis Reactions. Influence of Oxyanion Hole Interactions and Medium Effects T. K. Chang, Y. Chiang, H.-X. Guo, A. J. Kresge, L. Mathew, M. F. Powell, and J. A. Wells pp 8802–8807 DOI: 10.1021/ja9614326 Supporting Info

Infrared Spectroscopic Characterization of Cyanocuprates Hui Huang, Khris Alvarez, Qiang Lui, Terence M. Barnhart, James P. Snyder, and James E.  Penner-Hahn pp 8808–8816 DOI: 10.1021/ja961862w

Solution Structure of the Head-to-Head Dimer of Calicheamicin Oligosaccharide Domain and d(CGTAGGATATCCTACG)2 Giuseppe Bifulco, Aldo Galeone, Luigi Gomez-Paloma, K. C. Nicolaou, and Walter J. Chazin pp 8817–8824 DOI: 10.1021/ja961525n Supporting Info

Molecular Electrostatic Potential Analysis for Enzymatic Substrates, Competitive Inhibitors, and Transition-State Inhibitors Carey K. Bagdassarian, Vern L. Schramm, and Steven D. Schwartz pp 8825–8836 DOI: 10.1021/ja952781n

Chiral Catalyst Controlled Diastereoselection and Regioselection in Intramolecular Carbon−Hydrogen Insertion Reactions of Diazoacetates Michael P. Doyle, Alexey V. Kalinin, and Doina G. Ene pp 8837–8846 DOI: 10.1021/ja961682m

Isophthalate Ester-Terminated Dendrimers:  Versatile Nanoscopic Building Blocks with Readily Modifiable Surface Functionalities Jeffrey W. Leon, Manabu Kawa, and Jean M. J. Fréchet pp 8847–8859 DOI: 10.1021/ja961681u

Synthesis, X-ray Structure, and Properties of Fluorocyclopropane Analogs of the Duocarmycins Incorporating the 9,9-Difluoro-1,2,9,9a-tetrahydrocyclopropa[c]benzo[e]indol-4-one (F2CBI) Alkylation Subunit Dale L. Boger and Tracy J. Jenkins pp 8860–8870 DOI: 10.1021/ja961888n Supporting Info

Anion-Molecule Approaches to Non-Kekulé Molecules:  The Radical Anion of Cyclopentadienylidenetrimethylenemethane and Derivatives Jiang Zhao, Paul Dowd, and Joseph J. Grabowski pp 8871–8874 DOI: 10.1021/ja952358e

What Is the Crucial Factor for Vibrational Circular Dichroism in Hemoprotein Ligands? Junji Teraoka, Naoko Yamamoto, Yoshiaki Matsumoto, Yoshimasa Kyogoku, and Hiromu Sugeta pp 8875–8878 DOI: 10.1021/ja9534415

13C−13C Spin−Spin Coupling Tensors in Benzene As Determined Experimentally by Liquid Crystal NMR and Theoretically by ab Initio Calculations Jaakko Kaski, Juha Vaara, and Jukka Jokisaari pp 8879–8886 DOI: 10.1021/ja961263p Supporting Info

Determination of the Activation Volume of the Uncatalyzed Hydrogen Exchange Reaction between N-Methylacetamide and Water Stephanie A. Mabry, Bao-Shiang Lee, Tianshu Zheng, and Jiri Jonas pp 8887–8890 DOI: 10.1021/ja961351+

An NMR Investigation of the Effect of Hydrogen Bonding on the Rates of Rotation about the C−N Bonds in Urea and Thiourea Karl A. Haushalter, Janice Lau, and John D. Roberts pp 8891–8896 DOI: 10.1021/ja961380k

Quantum-Chemical Study of the Structure, Aggregation, and NMR Shifts of the Lithium Ester Enolate of Methyl Isobutyrate Horst Weiss, Alexander V. Yakimansky, and Axel H. E. Müller pp 8897–8903 DOI: 10.1021/ja960973s Supporting Info

Ab Initio Study of 13C Shieldings for Linear π-Conjugated Systems. Theoretical Determination of the C12−C13 Conformation in the Chromophore of Rhodopsin Hirohiko Houjou, Minoru Sakurai, Naoki Asakawa, Yoshio Inoue, and Yusuke Tamura pp 8904–8915 DOI: 10.1021/ja961023+

Transition Metal Polyhydride Complexes. 8. Pentahydrido(cyclopentadienyl)osmium(VI) Craig A. Bayse, Marc Couty, and Michael B. Hall pp 8916–8919 DOI: 10.1021/ja961265+

Theoretical Study of the Regioselectivity of Successive 1,3-Butadiene Diels−Alder Cycloadditions to C60 Miquel Solà, Miquel Duran, and Jordi Mestres pp 8920–8924 DOI: 10.1021/ja9614631

Solvent Exclusion and Chemical Contrast in Scanning Force Microscopy S. K. Sinniah, A. B. Steel, C. J. Miller, and J. E. Reutt-Robey pp 8925–8931 DOI: 10.1021/ja961295c

Continuous Separations with Microfabricated Electrophoresis−Electrochemical Array Detection Peter F. Gavin and Andrew G. Ewing pp 8932–8936 DOI: 10.1021/ja961368s

Amperometric Transduction and Amplification of Optical Signals Recorded by a Phenoxynaphthacenequinone Monolayer Electrode:  Photochemical and pH-Gated Electron Transfer Amihood Doron, Moshe Portnoy, Mazzi Lion-Dagan, Eugenii Katz, and Itamar Willner pp 8937–8944 DOI: 10.1021/ja961814b

A Real Knot in Protein Fusao Takusagawa and Shigehiro Kamitori pp 8945–8946 DOI: 10.1021/ja961147m

Electroneutral Artificial Hosts for Oxoanions Active in Strong Donor Solvents Michael Berger and Franz P. Schmidtchen pp 8947–8948 DOI: 10.1021/ja960818d Supporting Info

Novel Migrating Group in 1,2-Anionotropic Reactions:  Cobalt Complexation Facilitates 1,2-Shift of Alkynyl Groups Tetsuya Nagasawa, Kimiko Taya, Mitsuru Kitamura, and Keisuke Suzuki pp 8949–8950 DOI: 10.1021/ja961030y Supporting Info

A New Series of Layered Cuprates (ACuO2.5)2(ATiO3)m:  Dy2Ba2Ca2Cu2Ti4O17, m = 4 Kenji D. Otzschi, Kenneth R. Poeppelmeier, Paul A. Salvador, Thomas O. Mason, Hong Zhang, and Laurence D. Marks pp 8951–8952 DOI: 10.1021/ja961967z

Pyrido[2,3-b]pyrazines from Pyrazine C-Nucleosides:  An Unusual Intramolecular Rearrangement Jiong J. Chen, Dean S. Wise, and Leroy B. Townsend pp 8953–8954 DOI: 10.1021/ja961315a Supporting Info

pH-Induced Change in the Rate-Determining Step for the Hydrolysis of the Asp/Asn-Derived Cyclic-Imide Intermediate in Protein Degradation Minli Xie, David Vander Velde, Martha Morton, Ronald T. Borchardt, and Richard L. Schowen pp 8955–8956 DOI: 10.1021/ja9606182 Supporting Info

Photochemistry of Phycobiliproteins:  First Observation of Reactive Oxygen Species Generated from Phycobiliproteins on Photosensitization Jin-An He, Yi-Zhen Hu, and Li-Jin Jiang pp 8957–8958 DOI: 10.1021/ja961738c

Organometallic Chemistry of an Amidate-Bridged Dinuclear Pt(III) Complex:  Axial Pt(III)−Alkyl σ-Bond Formation in the Reaction with Acetone Kazuko Matsumoto, Jun Matsunami, Kazuhiro Mizuno, and Hiroyuki Uemura pp 8959–8960 DOI: 10.1021/ja961151y Supporting Info

Rapid Catalytic Oxygenation of Hydrocarbons by Ruthenium Pentafluorophenylporphyrin Complexes:  Evidence for the Involvement of a Ru(III) Intermediate John T. Groves, Marcella Bonchio, Tommaso Carofiglio, and Kirill Shalyaev pp 8961–8962 DOI: 10.1021/ja9542092

Nickel(II) Thiolate Complex with Carbon Monoxide and Its Fe(II) Analog:  Synthetic Models for CO Adducts of Nickel−Iron-Containing Enzymes Dao Hinh Nguyen, Hua-Fen Hsu, Michelle Millar, and Stephen A. KochCatalina Achim, Emile L. Bominaar, and Eckard Münck pp 8963–8964 DOI: 10.1021/ja961968r Supporting Info

Photogenerated Diarylnitrenium Ions:  Laser Flash Photolysis and Product Studies on Diphenylnitrenium Ion Generated from Photolysis of 1-(N,N-Diphenylamino)pyridinium Ions Ricardo J. Moran and Daniel E. Falvey pp 8965–8966 DOI: 10.1021/ja961086s Supporting Info

2-Formyl-4-pyrrolidinopyridine (FPP):  A New Catalyst for the Hydroxyl-Directed Methanolysis of Esters Tarek Sammakia and T. Brian Hurley pp 8967–8968 DOI: 10.1021/ja9613623 Supporting Info

Ribozyme Mechanism Revisited:  Evidence against Direct Coordination of a Mg2+ Ion with the pro-R Oxygen of the Scissile Phosphate in the Transition State of a Hammerhead Ribozyme-Catalyzed Reaction De-Min Zhou, Penmetcha K. R. Kumar, Li-He Zhang, and Kazunari Taira pp 8969–8970 DOI: 10.1021/ja961756u Supporting Info

Arrhenius Parameters for the Addition of Nucleophiles to the Silicon−Carbon Double Bond of 1,1-Diphenylsilene Christine J. Bradaric and William J. Leigh pp 8971–8972 DOI: 10.1021/ja9620346

Oxidation of Sulfides by Peroxidases. Involvement of Radical Cations and the Rate of the Oxygen Rebound Step Enrico Baciocchi, Osvaldo Lanzalunga, and Stefania MalandruccoMarcella Ioele and Steen Steenken pp 8973–8974 DOI: 10.1021/ja9608003

A Synthetic Ionophore That Recognizes Negatively Charged Phospholipid Membranes Gang Deng, Takehisa Dewa, and Steven L. Regen pp 8975–8976 DOI: 10.1021/ja961269e Supporting Info

A New Methodology for Combinatorial Synthesis. Preparation of Diverse Quinoline Derivatives Using a Novel Polymer-Supported Scandium Catalyst Shū Kobayashi and Satoshi Nagayama pp 8977–8978 DOI: 10.1021/ja961062l Supporting Info

Effect of Third Strand Orientation on Oligonucleotide Intramolecular Triplex Stability David M. Noll, Anne-Frances Miller, and Paul S. Miller pp 8979–8980 DOI: 10.1021/ja9618816

Singlet Biradical → Singlet Zwitterion Optical Transition in a Twisted Olefin Piotr Piotrowiak and Gina StratiSergei N. SmirnovJohn M. Warman and Wouter Schuddeboom pp 8981–8982 DOI: 10.1021/ja961829+

Combinatorial Approach to the Discovery of Novel Coordination Complexes Matthew B. Francis, Nathaniel S. Finney, and Eric N. Jacobsen pp 8983–8984 DOI: 10.1021/ja961842u Supporting Info

Carbohydrates:  United Atom AMBER* Parameterization of Pyranoses and Simulations Yielding Anomeric Free Energies [J. Am. Chem. Soc. 1996, 118, 2078−2086]. Hanoch Senderowitz, Carol Parish, and W. Clark Still p 8985 DOI: 10.1021/ja9654185

The Cyclohexadienyl Radical in the Thermal Syn−Anti Isomerization of Two Crossed Pentaenes of the Type of Bis-Homofulvalene [J. Am. Chem. Soc. 1996, 118, 6660−6665]. W. von E. Doering, Ludmila Birladeanu, Keshab Sarma, and Liming Shao p 8985 DOI: 10.1021/ja965419x

Insight into the Fluid-Phase Miscibility of Ester and Ether Phospholipids through Analysis of Nearest-Neighbor Recognition J. Am. Chem. Soc. 1996, 118, 7069−7074 Takehisa Dewa and Steven L. Regen pp 8985–8986 DOI: 10.1021/ja965420w

Ullmann's Encyclopedia of Industrial Chemistry, Fifth, Completely Revised Edition, Volume A24:  Polysaccharides:  Silicon Compounds, Inorganic to Stains, Microscopic Edited by Barbara Elvers, Steven Hawkins, William E. Russey, and Gail Schulz. VCH:  NewYork. 1994. xv + 580 pp. $325.00. ISBN 3-527-20124-6. p 8986 DOI: 10.1021/ja945073v

Kirk-Othmer Encyclopedia of Chemical Technology, Volume 14:  Imaging Technology to Lanthanides. Edited by Jacqueline I. Kroschwitz and Mary Howe-Grant. Wiley:  New York. 1995. xxviii + 1116 pp. $295.00. ISBN 0-471-52683-5. p 8986 DOI: 10.1021/ja955227m

Vibrational Spectra and Structure:  Vol. 21:  Optical Spectra and Lattice Dynamics of Molecular Crystals Edited by G. N. Zhizhin and E. I. Mukhtarov (Russian Academy of Sciences). Elsevier:  Amsterdam. 1995. xvii + 447 pp. $281.25. ISBN 0-444-82295-X. p 8986 DOI: 10.1021/ja955394m

Steroid Receptors and Antihormones Edited by David Henderson, Daniel Philibert, Arun K. Roy, and Georges Teutsch. Annals of the New York Academy of Sciences. New York Academy of Sciences:  New York. 1995. 416 pp. ISBN 0-89766-938-X. p 8986 DOI: 10.1021/ja965542o

Compendium of Organic Synthetic Methods, Volume 8 By Michael B. Smith (University of ConnecticutStorrs). Wiley-Interscience:  NewYork. 1995. xxii + 631 pp. $64.95. ISBN 0-471-57319-1. p 8986 DOI: 10.1021/ja965634d

The Internet:  A Guide for Chemists Edited by Steven M. Bachrach (Northern Illinois University). ACS:  Washington, DC. 1996. xv + 344 pp. $23.95. ISBN 0-8412-3224-5. Gary D. Anderson pp 8986–8987 DOI: 10.1021/ja965578g

Neural Networks for Chemical Engineers Edited by A. B. Bulsari (Lappeenranta University of Technology, Finland). Elsevier:  Amsterdam. 1995. ix + 680 pp. $285.25. ISBN 0-444-820970-3. Yee-Wei Huang p 8987 DOI: 10.1021/ja955254c

Science of Fullerenes and Carbon Nanotubes By M. S. Dresselhaus (MIT), G. Dresselhaus (MIT), and P. C. Eklund (University of Kentucky). Academic Press:  San Diego. 1996, xviii + 965 pp. ISBN 0-12-221820-5. Robert V. Honeychuck p 8987 DOI: 10.1021/ja965593l

Inclusion Chemistry with Zeolites:  Nanoscale Materials by Design:  Topics in Inclusion Science, No. 6 Edited by Norman Herron and David R. Corbin (DuPont Co.). Kluwer Academic:  Dordrecht, The Netherlands. 1995. xv + 340 pp. $199.00. ISBN 0-7923-3606-2. Dhananjai B. Shah pp 8987–8988 DOI: 10.1021/ja965582s

Mineral Scale Formation and Inhibition Edited by Zahid Amjad (The B.F. Goodrich Co.). Plenum:  New York. 1995. 350 pp. $110.00. ISBN 0-306-45195-6. p 8988 DOI: 10.1021/ja965541w

Electronic Properties of Solids Using Cluster Methods:  Fundamental Materials Research Edited by T. A. Kaplan and S. D. Mahanti (Michigan State University). Plenum:  New York. 1995. 200 pp. $89.50. ISBN 0-306-45010-0. p 8988 DOI: 10.1021/ja965547l

Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics, Second Edition By Albert Y. Leung (Consultant, Natural Products) and Steven Foster (Consultant, Medicinal and Aromatic Plants). Wiley:  New York. 1996. 650 pp. $150.00. ISBN 0-471-50826-8. p 8988 DOI: 10.1021/ja9655496

Kirk-Othmer Encyclopedia of Chemical Technology, Volume 17:  Nickel and Nickel Alloys to Paint Edited by Jacqueline I. Kroschwitz and Mary Howe-Grant. Wiley:  New York. 1995. xxviii + 1082 pp. $295.00. ISBN 0-471-52686-X. p 8988 DOI: 10.1021/ja9656107

Biology of α2-Macroglobulin, Its Receptor, and Related Proteins Edited by Wolfgang Borth (Mount Sinai Medical Center), Richard D. Feinman (State University of New York Health Sciences Center in Brooklyn), Steven L. Gonias (University of Virginia in Charlottesville), James P. Quigley (State University of New York at Stony Brook), and Dudley L. Strickland (American Red Cross). Annals of the New York Academy of Sciences. New York Academy of Sciences:  New York. 1994. 521 pp. $140.00. ISBN 0-89766-886-3. p 8988 DOI: 10.1021/ja965623k

Issue 38

Synthetic Melittin, Its Enantio, Retro, and Retroenantio Isomers, and Selected Chimeric Analogs:  Their Antibacterial, Hemolytic, and Lipid Bilayer Action Padmaja Juvvadi, Satyanarayana Vunnam, and R. B. Merrifield pp 8989–8997 DOI: 10.1021/ja9542911

Peptide Mimetic of the Third Cytoplasmic Loop of the PTH/PTHrP Receptor Dale F. Mierke, Miriam Royo, Maria Pellegrini, Hongmao Sun, and Michael Chorev pp 8998–9004 DOI: 10.1021/ja960454p Supporting Info

Mechanism of Proton-Coupled Electron Transfer for Quinone (QB) Reduction in Reaction Centers of Rb. Sphaeroides M. S. Graige, M. L. Paddock, J. M. Bruce, G. Feher, and M. Y. Okamura pp 9005–9016 DOI: 10.1021/ja960056m

Ecteinascidins:  Putative Biosynthetic Precursors and Absolute Stereochemistry Ryuichi Sakai, Elizabeth A. Jares-Erijman, Ignacio Manzanares, Maria V. Silva Elipe, and Kenneth L. Rinehart pp 9017–9023 DOI: 10.1021/ja950054m Supporting Info

Zr−Alkyl Isomerization in ansa-Zirconocene-Catalyzed Olefin Polymerizations. Contributions to Stereoerror Formation and Chain Termination1 Margarete K. Leclerc and Hans H. Brintzinger pp 9024–9032 DOI: 10.1021/ja961157n Supporting Info

Film Architecture in Biomolecular Assemblies. Effect of Linker on the Orientation of Genetically Engineered Surface-Bound Proteins Millicent A. Firestone, Mary L. Shank, Stephen G. Sligar, and Paul W. Bohn pp 9033–9041 DOI: 10.1021/ja961046o

Donor−Acceptor Interaction and Photochemistry of Polymethylene-Linked Bichromophores in Solution Song-lei Zhang, Matthew J. Lang, Steven Goodman, Christopher Durnell, Vlastimil Fidlar, Graham R. Fleming, and Nien-chu C. Yang pp 9042–9051 DOI: 10.1021/ja9523698

The Endocyclic Restriction Test:  Investigation of the Geometries of Nucleophilic Substitution at Phosphorus(III) and Phosphorus(V) Michael B. Tollefson, James J. Li, and Peter Beak pp 9052–9061 DOI: 10.1021/ja961375g Supporting Info

Efficient Total Syntheses of Pumiliotoxins A and B. Applications of Iodide-Promoted Iminium Ion−Alkyne Cyclizations in Alkaloid Construction Nan-Horng Lin, Larry E. Overman, Michael H. Rabinowitz, Leslie A. Robinson, Matthew J. Sharp, and Jeffery Zablocki pp 9062–9072 DOI: 10.1021/ja961641q

Enantioselective Total Syntheses of Allopumiliotoxins 267A, 323B‘, and 339A. Application of Iodide-Promoted Iminium Ion−Alkyne Cyclizations for Forming Allopumiliotoxin A Alkaloids Christian Caderas, Renee Lett, Larry E. Overman, Michael H. Rabinowitz, Leslie A. Robinson, Matthew J. Sharp, and Jeffery Zablocki pp 9073–9082 DOI: 10.1021/ja961640y Supporting Info

Reductive Formation of Straight Linear Metal−Metal Bonded Tetranuclear Complexes X−M−Mo−Mo−M−X from X2M···Mo−Mo···MX2 Supported by Four Tridentate 6-Diphenylphosphino-2-pyridonate Ligands (M = Pd, Pt; X = Cl, Br, I) Kazushi Mashima, Hiroshi Nakano, and Akira Nakamura pp 9083–9095 DOI: 10.1021/ja960606g Supporting Info

Construction of Porous Solids from Hydrogen-Bonded Metal Complexes of 1,3,5-Benzenetricarboxylic Acid O. M. Yaghi, Hailian Li, and T. L. Groy pp 9096–9101 DOI: 10.1021/ja960746q Supporting Info

Determination of Organo−Cobalt Bond Dissociation Energetics and Thermodynamic Properties of Organic Radicals through Equilibrium Studies David C. Woska, Zhilong D. Xie, Alexei A. Gridnev, Steven D. Ittel, Michael Fryd, and Bradford B. Wayland pp 9102–9109 DOI: 10.1021/ja960002c Supporting Info

Molecular Composite Knots Riccardo F. Carina, Christiane Dietrich-Buchecker, and Jean-Pierre Sauvage pp 9110–9116 DOI: 10.1021/ja961459p

Designed Synthesis of Solid State Structural Isomers from Modulated Reactants Myungkeun Noh and David C. Johnson pp 9117–9122 DOI: 10.1021/ja9617653

Syntheses and Characterization of Tin(II) Complexes Containing 10-π-Electron Ring Systems H. V. Rasika Dias and Wiechang Jin pp 9123–9126 DOI: 10.1021/ja961910c Supporting Info

Mass Dependence of Uranium Isotope Effects in the U(IV)−U(VI) Exchange Reaction Masao Nomura, Nobuhiko Higuchi, and Yasuhiko Fujii pp 9127–9130 DOI: 10.1021/ja954075s

Collisionally Activated Dissociation of Transition Metal Ion/Polyether Complexes in a Quadrupole Ion Trap Erwin J. Alvarez, Hui-Fen Wu, Chien-Chung Liou, and Jennifer Brodbelt pp 9131–9138 DOI: 10.1021/ja953787f

Defective Lattice Charge Density Waves in La10Se19, Cs3Te22, RbDy3Se8, and Dy65.33Se120 Stephen Lee and Brendan J. Foran pp 9139–9147 DOI: 10.1021/ja951965z

Accelerated Racemization of Aspartic Acid and Asparagine Residues via Succinimide Intermediates:  An ab Initio Theoretical Exploration of Mechanism Jennifer L. Radkiewicz, H. Zipse, Steven Clarke, and K. N. Houk pp 9148–9155 DOI: 10.1021/ja953505b

Computational Simulations of DNA Distortions by a cis,syn-Cyclobutane Thymine Dimer Lesion Karol Miaskiewicz, John Miller, Michael Cooney, and Roman Osman pp 9156–9163 DOI: 10.1021/ja9611304

Mesoporous Titanosilicate Molecular Sieves Prepared at Ambient Temperature by Electrostatic (S+I-, S+X-I+) and Neutral (S°I°) Assembly Pathways:  A Comparison of Physical Properties and Catalytic Activity for Peroxide Oxidations Wenzhong Zhang, Michael Fröba, Jialiang Wang, Peter T. Tanev, Joe Wong, and Thomas J. Pinnavaia pp 9164–9171 DOI: 10.1021/ja960594z

Oxidation of an α-Meso-Methyl-Substituted Heme to an α-Biliverdin by Heme Oxygenase. A Novel Heme Cleavage Reaction Justin Torpey, David A. Lee, Kevin M. Smith, and Paul R. Ortiz de Montellano pp 9172–9173 DOI: 10.1021/ja9623469

Reversible Photomorphism in Surface Monolayers Olaf Karthaus and Masatsugu ShimomuraMasato Hioki, Ruriko Tahara, and Hiroshi Nakamura pp 9174–9175 DOI: 10.1021/ja9614272

A Catalytic Role for Protic Solvents in Conformational Interconversion Feng Xu, Anping Wang, J. B. Vaughn, Jr., and T. A. Cross pp 9176–9177 DOI: 10.1021/ja9600892

Evidence of Stringlike Behavior in all-trans-Octatetraene Wybren Jan BumaFrancesco Zerbetto pp 9178–9179 DOI: 10.1021/ja9612864

Mechanism-Based Active Site Modification of Oxidosqualene Cyclase by Tritium-Labeled 18-Thia-2,3-Oxidosqualene Ikuro Abe, Wei Liu, Allan C. Oehlschlager, and Glenn D. Prestwich pp 9180–9181 DOI: 10.1021/ja961643a

Resonance Raman Co−C Stretching Frequencies Reflect Bond Strength Changes in Alkyl Cobalamins, but Are Unaffected by Trans Ligand Substitution Shoulian Dong, Raghavakaimal Padmakumar, Ruma Banerjee, and Thomas G. Spiro pp 9182–9183 DOI: 10.1021/ja962003a

Engineered Biosynthesis of Structurally Diverse Tetraketides by a Trimodular Polyketide Synthase Camilla M. Kao, Guanglin Luo, Leonard Katz, David E. Cane, and Chaitan Khosla pp 9184–9185 DOI: 10.1021/ja9617552 Supporting Info

Total Synthesis of (±)-Taxusin Ryoma Hara, Takashi Furukawa, Yoshiaki Horiguchi, and Isao Kuwajima pp 9186–9187 DOI: 10.1021/ja9610949 Supporting Info

Highly Screw-Sense Selective Polymerization of 1,2-Diisocyano-3,6-di-p-tolylbenzene Initiated by Optically Active Binaphthylpalladium(II) Complexes Yoshihiko Ito, Takafumi Ohara, Ryoto Shima, and Michinori Suginome pp 9188–9189 DOI: 10.1021/ja961818g Supporting Info

An Unusual Route to Deoxysugars by Hydrogen Atom Transfer from Cyclohexane. Possible Manifestation of Polar Effects in a Radical Process Béatrice Quiclet-Sire and Samir Z. Zard pp 9190–9191 DOI: 10.1021/ja9619622 Supporting Info

Ru3(CO)9(μ3-η2,η2,η2-C60):  A Cluster Face-Capping, Arene-Like Complex of C60 Hsiu-Fu Hsu and John R. Shapley pp 9192–9193 DOI: 10.1021/ja962077m Supporting Info

Nitrile Hydratase from Rhodococcus rhodochrous J1 Contains a Non-Corrin Cobalt Ion with Two Sulfur Ligands Bridget A. Brennan, Geoffrey Alms, Mark J. Nelson, Lewellyn T. Durney, and Robert C. Scarrow pp 9194–9195 DOI: 10.1021/ja961920d

Intramolecular Cycloadditions between Cyclobutadiene and Alkenes John A. Tallarico, Michele L. Randall, and Marc L. Snapper pp 9196–9197 DOI: 10.1021/ja9612559 Supporting Info

Light Emission from Ruthenium-Labeled Penicillins Signaling Their Hydrolysis by β-Lactamase Pam Liang, Liwen Dong, and Mark T. Martin pp 9198–9199 DOI: 10.1021/ja961894j Supporting Info

Chiral Lewis Acid Catalysis in Radical Reactions:  Enantioselective Conjugate Radical Additions Mukund P. Sibi and Jianguo JiJason Hongliu Wu, Stephan Gürtler, and Ned A. Porter pp 9200–9201 DOI: 10.1021/ja9623929 Supporting Info

Enantioselective Total Synthesis of Ecteinascidin 743 E. J. Corey, David Y. Gin, and Robert S. Kania pp 9202–9203 DOI: 10.1021/ja962480t Supporting Info

Predicting Antibody Catalyst Selectivity from Optimum Binding of Catalytic Groups to a Hapten Jim Na and K. N. Houk pp 9204–9205 DOI: 10.1021/ja961353u

Annual Review of Physical Chemistry, Vol. 46 Edited by Herbert L. Strauss (University of CaliforniaBerkeley), Gerald T. Babcock (Michigan State University), and Stephen R. Leone (University of Colorado). Annual Reviews, Inc.:  Palo Alto, CA 1995. x + 771 pp. $51.00. ISBN 0-8243-1046-2. p 9206 DOI: 10.1021/ja9655505

Chemical Thermodynamics Series, Vol. 2:  Chemical Thermodynamics of Americium By R. J. Silva (Lawrence Livermore National Lab), Giovanni Bidoglio (Environment Institute, Italy), Malcolm H. Rand (Winters-Hill Consultancy), Piotr B. Robouch (Institute of Reference Materials and Measurements, Belgium), Hans Wanner (MBT Environmental Engineering, Ltd.), and Ignasi Puigdomenech (OECD Nuclear Energy Agency) Elsevier:  Amsterdam. 1995. xvii + 374 pp. $234.50. ISBN 0-444-82281-X. p 9206 DOI: 10.1021/ja965551x

Stereoselective Reactions of Metal-Activated Molecules, Second Symposium Edited by Helmut Werner and Jorg Sundermeyer (Bayerische Julius-Maximilians University) Verlag Vieweg:  Branschweig. 1995. x + 236 pp. $91.00. ISBN 3-528-06664-4. p 9206 DOI: 10.1021/ja965552p

CIBA Foundation Symposium 191:  Non-Reproductive Actions of Sex Steroids Wiley:  New York. 1995. ix + 307 pp. $79.95. ISBN 0-471-95513-2. p 9206 DOI: 10.1021/ja965554+

Macromolecular Engineering:  Recent Advances Edited by Munmaya K. Mishra (Texaco Inc.), Oskar Nuyken (Technical University of Munich), Shiro Kobayashi (Tohoku University), Yusuf Yagci (Istanbul Technical University), and Bidulata Sar (PFI, Inc.) Plenum Press:  New York. 1995. ix + 332 pp. $105.00. ISBN 0-306-45112-3. p 9206 DOI: 10.1021/ja9656208

Carbohydrate Building Blocks By Mikael Bols (Aarhus University) Wiley:  New York. 1996. ix + 182 pp. $39.95. ISBN 0-471-13339-6. Jacquelyn Gervay pp 9206–9207 DOI: 10.1021/ja9553967

Herbicides Inhibiting Branched-Chain Amino Acid BiosynthesisRecent Developments. Chemistry of Plant Protection, #10 Edited by J. Stetter (Bayerwerk, FRG). Springer:  New York. 1994. vii + 219 pp. $133.00. ISBN 0-387-58181-2. Clanton C. Black, Jr. p 9207 DOI: 10.1021/ja955203f

Surface Phases on Silicon:  Preparation, Structure and Properties By V. G. Lifshits, A. A. Saranin, and A. V. Zotov (Russian Academy of Sciences). Wiley:  Chichester. 1995. xiv + 448 pp. $115.00. ISBN 0-471-94846-2. Eugene A. Irene pp 9207–9208 DOI: 10.1021/ja955116n

Hydrocarbon Chemistry By George A. Olah (University of Southern California) and Árpád Molnár (József Attila University, Hungary). Wiley:  New York. 1995. xviii + 632 pp. $69.95. ISBN 0-471-11359-X. Norman R. Hunter p 9208 DOI: 10.1021/ja955201v

Issue 39

2,7-Diaminomitosene, a Monofunctional Mitomycin C Derivative, Alkylates DNA in the Major Groove. Structure and Base-Sequence Specificity of the DNA Adduct and Mechanism of the Alkylation Gopinatha Suresh Kumar, Steven M. Musser, Jeffrey Cummings, and Maria Tomasz pp 9209–9217 DOI: 10.1021/ja9607401

Pseudo-Prolines as a Solubilizing, Structure-Disrupting Protection Technique in Peptide Synthesis Torsten Wöhr, Franck Wahl, Adel Nefzi, Barbara Rohwedder, Tatsunori Sato, Xicheng Sun, and Manfred Mutter pp 9218–9227 DOI: 10.1021/ja961509q

3-Amino-4-hydroxybenzoic Acid Is Derived from the Tricarboxylic Acid Cycle Rather Than the Shikimic Acid Pathway1 Steven J. Gould, Chris R. Melville, and Martha C. Cone pp 9228–9232 DOI: 10.1021/ja9524356

Photooxidation of 8-Oxo-7,8-dihydro-2‘-deoxyguanosine by Thermally Generated Triplet-Excited Ketones from 3-(Hydroxymethyl)-3,4,4-trimethyl-1,2-dioxetane and Comparison with Type I and Type II Photosensitizers Waldemar Adam, Chantu R. Saha-Möller, and André Schönberger pp 9233–9238 DOI: 10.1021/ja953980+ Supporting Info

Generalizing Glycosylation:  Synthesis of the Blood Group Antigens Lea, Leb, and Lex Using a Standard Set of Reaction Conditions Lin Yan and Daniel Kahne pp 9239–9248 DOI: 10.1021/ja9608555 Supporting Info

Stereochemistry and Reactions of Presilphiperfolanol:  A Branch Point Marker in Triquinane Sesquiterpene Biogenesis Robert M. Coates, Zhanqi Ho, Michael Klobus, and Scott R. Wilson pp 9249–9254 DOI: 10.1021/ja961582g Supporting Info

Dynamical Mapping of E. coli Thioredoxin via 13C NMR Relaxation Analysis David M. LeMaster and Diana M. Kushlan pp 9255–9264 DOI: 10.1021/ja960877r

Rational Design and Synthesis of a 1,1-Linked Disaccharide That Is 5 Times as Active as Sialyl Lewis X in Binding to E-Selectin Kazumi Hiruma, Tetsuya Kajimoto, Gabriel Weitz-Schmidt, Ian Ollmann, and Chi-Huey Wong pp 9265–9270 DOI: 10.1021/ja9611093

The Peptide Bond Quenches Indole Fluorescence Yu Chen, Bo Liu, Hong-Tao Yu, and Mary D. Barkley pp 9271–9278 DOI: 10.1021/ja961307u

Tungsten-Promoted Intramolecular Alkoxycarbonylation for Synthesis of Complex Oxygenated Molecules Chi-Chung Chen, Jang-Shyang Fan, Su-Ju Shieh, Gene-Hsian Lee, Shie-Ming Peng, Sue-Lang Wang, and Rai-Shung Liu pp 9279–9287 DOI: 10.1021/ja9617808 Supporting Info

Zn−O2H3−Zn:  a Coordination Mode of the Hydrolytic Zinc−Aqua Function and a Possible Structural Motif for Oligozinc Enzymes Michael Ruf, Karl Weis, and Heinrich Vahrenkamp pp 9288–9294 DOI: 10.1021/ja960629v Supporting Info

Organolanthanide-Catalyzed Intramolecular Hydroamination/Cyclization of Aminoalkynes Yanwu Li and Tobin J. Marks pp 9295–9306 DOI: 10.1021/ja9612413

Dinuclear Platinum Complexes Form a Novel Intrastrand Adduct with d(GpG), an anti−syn Conformation of the Macrochelate As Observed by NMR and Molecular Modeling Yun Qu, Marieke J. Bloemink, Jan Reedijk, Trevor W. Hambley, and Nicholas Farrell pp 9307–9313 DOI: 10.1021/ja961823k Supporting Info

Light Scattering Studies on the Crystallization Transition of Native and Per-2,6-dimethylated β-Cyclodextrins Patrick Umbach, Yannis Georgalis, and Wolfram Saenger pp 9314–9319 DOI: 10.1021/ja9605679

Improved Sensitivity in Selective NMR Correlation Spectroscopy and Applications to the Determination of Scalar Couplings in Peptides and Proteins Pierre Borgnat, Anne Lesage, Stefano Caldarelli, and Lyndon Emsley pp 9320–9325 DOI: 10.1021/ja961162r

Quantitative Multiple-Quantum Magic-Angle-Spinning NMR Spectroscopy of Quadrupolar Nuclei in Solids Gang Wu, David Rovnyak, and Robert G. Griffin pp 9326–9332 DOI: 10.1021/ja9614676

Structural and Dynamic Parameters Obtained from 17O NMR, EPR, and NMRD Studies of Monomeric and Dimeric Gd3+ Complexes of Interest in Magnetic Resonance Imaging:  An Integrated and Theoretically Self-Consistent Approach1 D. Hugh Powell, Orla M. Ni Dhubhghaill, Dirk Pubanz, Lothar Helm, Yakob S. Lebedev, Willi Schlaepfer, and André E. Merbach pp 9333–9346 DOI: 10.1021/ja961743g Supporting Info

Antiferromagnetic Exchange Interaction among the Three Spins Placed in an Isosceles Triangular Configuration in 2,4-Dimethoxy-1,3,5-benzenetriyltris(N-tert-butyl nitroxide) Junpei Fujita, Masakazu Tanaka, Hiroshi Suemune, Noboru Koga, Kenji Matsuda, and Hiizu Iwamura pp 9347–9351 DOI: 10.1021/ja961849b Supporting Info

Sequence Information from 42−108-mer DNAs (Complete for a 50-mer) by Tandem Mass Spectrometry Daniel P. Little, David J. Aaserud, Gary A. Valaskovic, and Fred W. McLafferty pp 9352–9359 DOI: 10.1021/ja9533611 Supporting Info

High-Pressure Mass Spectrometric Investigations of the Potential Energy Surfaces of Gas-Phase SN2 Reactions Chun Li, Philip Ross, Jan E. Szulejko, and Terrance B. McMahon pp 9360–9367 DOI: 10.1021/ja960565o

Methane Elimination from Ionized Propane through an Ion−Neutral Complex:  An ab Initio Study Santiago Olivella, Albert Solé, and David J. McAdoo pp 9368–9376 DOI: 10.1021/ja9606283 Supporting Info

Iodine as a Visible Probe for the Evaluation of Zeolite Donor Strength S. Y. Choi, Y. S. Park, S. B. Hong, and K. B. Yoon pp 9377–9386 DOI: 10.1021/ja952112+

Hydroperoxyl Radical Generation by γ-Irradiation of Glassy Water at 77 K Janusz Bednarek, Andrzej Plonka, Andreas Hallbrucker, Erwin Mayer, and Martyn C. R. Symons pp 9387–9390 DOI: 10.1021/ja960518w

Unusually Strong Delayed Fluorescence of C70 Mário N. Berberan-Santos and João M. M. Garcia pp 9391–9394 DOI: 10.1021/ja961782s

Theoretical Study of the Structure and Rotational Flexibility of Diacylhydrazines:  Implications for the Structure of Nonsteroidal Ecdysone Agonists and Azapeptides Charles H. Reynolds and Robert E. Hormann pp 9395–9401 DOI: 10.1021/ja960214+ Supporting Info

A Theoretical Study of the Structures of Flavin in Different Oxidation and Protonation States Ya-Jun Zheng and Rick L. Ornstein pp 9402–9408 DOI: 10.1021/ja9608151

Assembly of Amphiphilic Phenylacetylene Macrocycles at the Air−Water Interface and on Solid Surfaces Ashok S. Shetty, Pamela R. Fischer, Kurt F. Stork, Paul W. Bohn, and Jeffrey S. Moore pp 9409–9414 DOI: 10.1021/ja961549u Supporting Info

Selective Nucleophilic Attack of Trisulfides. An ab Initio Study Debbie C. Mulhearn and Steven M. Bachrach pp 9415–9421 DOI: 10.1021/ja9620090

Absolute Configuration of Phorboxazoles A and B from the Marine Sponge Phorbas sp. 1. Macrolide and Hemiketal Rings Philip A. Searle and Tadeusz F. MolinskiLinda Joy Brzezinski and James W. Leahy pp 9422–9423 DOI: 10.1021/ja962092r Supporting Info

A PMO Theory of Gas-Phase Ion−Molecule Collision Rates Ralph C. Dougherty and Ming Xu pp 9424–9425 DOI: 10.1021/ja961133g

Chemoenzymatic and Ring E-Modular Approach to the (−)-Podophyllotoxin Skeleton. Synthesis of 3‘,4‘,5‘-Tridemethoxy-(−)-podophyllotoxin David B. Berkowitz, Jun-Ho Maeng, Anne H. Dantzig, Robert L. Shepard, and Bryan H. Norman pp 9426–9427 DOI: 10.1021/ja961489s Supporting Info

Remarkable Product Selectivity During Photo-Fries and Photo-Claisen Rearrangements within Zeolites K. Pitchumani, M. Warrier, and V. Ramamurthy pp 9428–9429 DOI: 10.1021/ja961620w

Ruthenium-Catalyzed Demethanative Coupling of HGeMe3:  A High Yield Route to Polygermanes Jennifer A. Reichl, Christine M. Popoff, Laurie A. Gallagher, Edward E. Remsen, and Donald H. Berry pp 9430–9431 DOI: 10.1021/ja961777o Supporting Info

Formyl C−H···O Hydrogen Bonding in Crystalline Bis-Formamides? Jason D. Chaney, Christopher R. Goss, Kirsten Folting, Bernard D. Santarsiero, and Mark D. Hollingsworth pp 9432–9433 DOI: 10.1021/ja960637b Supporting Info

Nature of Endogenous Ligand Binding to Heme Iron in Oxygen Sensor FixL Koji Tamura, Hiro Nakamura, Yuji Tanaka, Soichi Oue, Koki Tsukamoto, Masaharu Nomura, Terumasa Tsuchiya, Shin-ichi Adachi, Satoshi Takahashi, Tetsutaro Iizuka, and Yoshitsugu Shiro pp 9434–9435 DOI: 10.1021/ja9543457

The Catalytic Mechanism of Microsomal Epoxide Hydrolase Involves Reversible Formation and Rate-Limiting Hydrolysis of the Alkyl−Enzyme Intermediate Huey-Fen Tzeng, L. Timothy Laughlin, Sue Lin, and Richard N. Armstrong pp 9436–9437 DOI: 10.1021/ja961826x

Electrically Generated Intramolecular Proton Transfer:  Electroluminescence and Stimulated Emission from Polymers Richard M. Tarkka, Xuejun Zhang, and Samson A. Jenekhe pp 9438–9439 DOI: 10.1021/ja9613365

Tris(pentafluorophenyl)boron-Catalyzed Hydrosilation of Aromatic Aldehydes, Ketones, and Esters Daniel J. Parks and Warren E. Piers pp 9440–9441 DOI: 10.1021/ja961536g Supporting Info

Catalytic Cyclo-oligomerization of β-Propiothiolactone by a Dirhenium Complex. A Convenient Route to New Polythiolactone Macrocycles Richard D. Adams, Mingsheng Huang, Wen Huang, and Joachim A. Queisser pp 9442–9443 DOI: 10.1021/ja962321+ Supporting Info

(Iso)Pagodane Radical Cations in Liquid Hydrocarbons:  “Time-Resolved Fluorescence-Detected Magnetic Resonance” Study of Valence Isomeric Radical Cations Alexander D. Trifunac and David W. WerstRainer Herges* and Helfried NeumannHorst Prinzbach and Markus Etzkorn pp 9444–9445 DOI: 10.1021/ja961035v

Silicon-Tethered 1,3-Dipolar Cycloaddition of 4-Hydroxy-2-isoxazoline 2-Oxides Paolo Righi, Emanuela Marotta, Andrea Landuzzi, and Goffredo Rosini pp 9446–9447 DOI: 10.1021/ja961816w Supporting Info

Toward Nonoxidative Routes to Oxygenated Organics:  Stereospecific Deoxydehydration of Diols and Polyols to Alkenes and Allylic Alcohols Catalyzed by the Metal Oxo Complex (C5Me5)ReO3 Gerald K. Cook and Mark A. Andrews pp 9448–9449 DOI: 10.1021/ja9620604 Supporting Info

Titanocene-Catalyzed Cyclocarbonylation of Enynes to Cyclopentenones Frederick A. Hicks, Natasha M. Kablaoui, and Stephen L. Buchwald pp 9450–9451 DOI: 10.1021/ja9621509 Supporting Info

Resonance Raman Spectrum of Distorted Porphyrin Radical Cation Reveals Orbital Mixing Ching-Yao Lin, Songzhou Hu, Thomas Rush III, and Thomas G. Spiro pp 9452–9453 DOI: 10.1021/ja9621206

Octafluorobicyclo[2.2.0]hex-1(4)-ene:  A Greatly Strained Alkene with Novel Reactivity Yin Zhang, Joshua Smith, and David M. Lemal pp 9454–9455 DOI: 10.1021/ja961656o

Formation of Highly Oxygenated [4.4]Spirononenes via Lewis Acid-Catalyzed Isomerization of Adducts to Squarate Esters. Total Synthesis of Dimethyl Gloiosiphone A Leo A. Paquette, Claudio F. Sturino, and Pascale Doussot pp 9456–9457 DOI: 10.1021/ja962224g

Electronic Structure Calculations on Fullerenes and Their Derivatives By Jerzy Cioslowski (Florida State University). Oxford University Press:  New York. 1995. ix + 281 pp. $65.00. ISBN 0-19-508806-9. Anthony H. Francis p 9458 DOI: 10.1021/ja9553157

Asymmetric Hydrogenation of Unfunctionalized Trisubstituted Olefins with a Chiral Titanocene Catalyst J. Am. Chem. Soc. 1993, 115, 12569−12570 Richard D. Broene and Stephen L. Buchwald p 9458 DOI: 10.1021/ja965416k

Studies in Surface Science and Catalysis-91:  Preparation of Catalysts VI:  Scientific Bases for the Preparation of Heterogeneous Catalysts Edited by G. Poncelet (Universite Catholique de Louvain, Belgium), J. Martens (Katholieke Universiteit, Belgium), B. Delmon (Universite Catholique de Louvain, Belgium), P. A. Jacobs (Katholieke Universiteit, Belgium), and P. Grange (Universite Catholique de Louvain, Belgium). Elsevier:  Amsterdam. 1995. xxi + 1182 pp. $350.00. ISBN 0-444-82078-7. pp 9458–9459 DOI: 10.1021/ja9656210

Advances in Theoretically Interesting Molecules, Vol. 3 Edited by Randolph P. Thummel (University of Houston). JAI:  Greenwich. 1995. x + 316 pp. $97.50. ISBN 1-55938-698-3. Lawrence T. Scott p 9459 DOI: 10.1021/ja955355a

Halon Replacements:  Technology and Science Edited by Andrzej W. Miziolek (U.S. Army Research Laboratory) and Wing Tsang (National Institute of Standards and Technology). ACS: Washington, DC. 1995. xi + 388 pp. $99.95. ISBN 0-8412-3327-6. p 9459 DOI: 10.1021/ja9655956

Thermochemical Data of Pure Substances Third Edition, Two Volumes. Vol. 1:  Ag-Kr and Vol. II:  La-Zr By Ihsan Barin (ZEUS GmbH, FRG), in collaboration with Gregor Platzki. VCH:  New York. 1995. 1900 pp. $535.00. ISBN 3-527-28745-0. p 9459 DOI: 10.1021/ja965624c

Cytochrome cA Multidisciplinary Approach Edited by R. A. Scott (University of Georgia) and A. G. Mauk (University of British Columbia). University Science Books:  Sausalito, CA. 1996. vi + 738 pp. $85.00. ISBN 0-935702-33-4. Peter Nicholls pp 9459–9460 DOI: 10.1021/ja9655911

Electronic Materials Chemistry:  An Introduction to Device Processes and Material Systems Edited by H. Bernhard Pogge (IBM Corp.). Dekker:  Monticello, NY. 1996. xiii + 623 pp. $195.00. ISBN 0-8247-9632-2. J. M. White p 9460 DOI: 10.1021/ja965573j

Progress in Clinical and Biological Research, Volume 394. Cellular and Molecular Mechanisms of Hormonal Carcinogenesis:  Environmental Influences Edited by James Huff (National Institute of Environmental Health Sciences), Jeff Boyd (University of Pennsylvania Medical Center), and J. Carl Barrett (National Institute of Enviromental Health Sciences). Wiley-Liss:  New York. 1996. xiii + 480 pp. $139.00. ISBN 0-471-02202-0. p 9460 DOI: 10.1021/ja9656098

Photographic Sensitivity:  Theory and Mechanisms By Tadaaki Tani (Fuji Photo Film Co.). Oxford University Press:  New York and Oxford. 1995. viii + 254 pp. $75.00. ISBN 0-19-507240-5. William L. Jolly p 9460 DOI: 10.1021/ja965638i

Issue 40

Unprecedented Mild Acid-Catalyzed Desilylation of the 2‘-O-tert-Butyldimethylsilyl Group from Chemically Synthesized Oligoribonucleotide Intermediates via Neighboring Group Participation of the Internucleotidic Phosphate Residue Shun-ichi Kawahara, Takeshi Wada, and Mitsuo Sekine pp 9461–9468 DOI: 10.1021/ja961959i Supporting Info

Chlorin-Oligonucleotide Conjugates:  Synthesis, Properties, and Red Light-Induced Photochemical Sequence-Specific DNA Cleavage in Duplexes and Triplexes, Alexandre S. Boutorine, Daniel Brault, Masashi Takasugi, Olavio Delgado, and Claude Hélène pp 9469–9476 DOI: 10.1021/ja960062i

Heterogeneity and Stability of Helical Conformations in Peptides:  Crystallographic and NMR Studies of a Model Heptapeptide Arindam Banerjee, S. Datta, Animesh Pramanik, N. Shamala, and P. Balaram pp 9477–9483 DOI: 10.1021/ja960665u Supporting Info

Hypericin-Induced Cell Photosensitization Involves an Intracellular pH Decrease F. Sureau, P. Miskovsky, L. Chinsky, and P. Y. Turpin pp 9484–9487 DOI: 10.1021/ja961783k Supporting Info

Synthesis, Characterization, and Molecular Structure of [6](9,10)Anthracenophane and Its Peri-Substituted Derivatives:  The Smallest 9,10-Bridged Anthracenes Yoshito Tobe, Shinji Saiki, Naoto Utsumi, Takuji Kusumoto, Hideaki Ishii, Kiyomi Kakiuchi, Kazuya Kobiro, and Koichiro Naemura pp 9488–9497 DOI: 10.1021/ja961562e Supporting Info

Photopolymerization of Carbohydrate-Based Discotic Mesogens. Syntheses and Phase Properties of 1,2,3,4,6-Penta-O-(trans-3,4-dialkoxycinnamoyl)-(d)- glucopyranoses and Their Oligomers Ravindranath Mukkamala, Charles L. Burns, Jr., Robert M. Catchings III, and Richard G. Weiss pp 9498–9508 DOI: 10.1021/ja961665x Supporting Info

The Total Synthesis of Dynemicin A Leading to Development of a Fully Contained Bioreductively Activated Enediyne Prodrug Matthew D. Shair, Tae Young Yoon, Karoline K. Mosny, T. C. Chou, and Samuel J. Danishefsky pp 9509–9525 DOI: 10.1021/ja960040w

The Total Synthesis of Allosamidin. Expansions of the Methodology of Azaglycosylation Pursuant to the Total Synthesis of Allosamidin. A Surprising Enantiotopic Sense for a Lipase-Induced Deacetylation David A. Griffith and Samuel J. Danishefsky pp 9526–9538 DOI: 10.1021/ja960526c Supporting Info

Pairwise Gibbs Energy Interaction Parameters for α-Amino Acid−Amide Interactions in Aqueous Solution:  A Kinetic Study Lisette Streefland, Michael J. Blandamer, and Jan B. F. N. Engberts pp 9539–9544 DOI: 10.1021/ja960556f

Molecular Recognition of Aqueous Dipeptides at Multiple Hydrogen-Bonding Sites of Mixed Peptide Monolayers Xiao Cha, Katsuhiko Ariga, and Toyoki Kunitake pp 9545–9551 DOI: 10.1021/ja961526f

Increasing the Heavy Atom Effect of Xenon by Adsorption to Zeolites:  Photolysis of 2,3-Diazabicyclo[2.2.2]oct-2-ene Mark A. Anderson and Charles B. Grissom pp 9552–9556 DOI: 10.1021/ja961546h Supporting Info

Induction of a Ferroelectric SC* Liquid Crystal Phase by an Atropisomeric Dopant Derived from 4,4‘-Dihydroxy-2,2‘-dimethyl-6,6‘-dinitrobiphenyl Kexin Yang, Bryan Campbell, Glenn Birch, Vance E. Williams, and Robert P. Lemieux pp 9557–9561 DOI: 10.1021/ja9617505

5‘-Dithiophosphoryl Deoxyoligonucleotides:  Synthesis and Biological Studies1 Peter H. Seeberger, Pia N. Jorgensen, Danute M. Bankaitis-Davis, Graham Beaton, and Marvin H. Caruthers pp 9562–9566 DOI: 10.1021/ja961189a

Inclusion of Neutral and Anionic Guests within the Cavity of π-Metalated Cyclotriveratrylenes K. Travis Holman, Martha M. Halihan, Silvia S. Jurisson, Jerry L. Atwood, Robert S. Burkhalter, Andrew R. Mitchell, and Jonathan W. Steed pp 9567–9576 DOI: 10.1021/ja961655w Supporting Info

Multiple Mechanistic Pathways for Zirconium-Catalyzed Carboalumination of Alkynes. Requirements for Cyclic Carbometalation Processes Involving C−H Activation Ei-ichi Negishi, Denis Y. Kondakov, Danièle Choueiry, Kayoko Kasai, and Tamotsu Takahashi pp 9577–9588 DOI: 10.1021/ja9538039

Intermediate Complexes in the Octacarbonyl Dicobalt-Initiated Living Polymerization of 3-Methyl-1,2-butadiene Judit Sóvágó, M. Gary Newton, Evgenia A. Mushina, and Ferenc Ungváry pp 9589–9596 DOI: 10.1021/ja9542404 Supporting Info

Transition Metal Catalyzed Stereospecific Intramolecular [3 + 2] Cycloadditions of Methylenecyclopropanes with Alkynes Mark Lautens and Yi Ren pp 9597–9605 DOI: 10.1021/ja9611809 Supporting Info

Application of Ring-Closing Metathesis to the Synthesis of Rigidified Amino Acids and Peptides Scott J. Miller, Helen E. Blackwell, and Robert H. Grubbs pp 9606–9614 DOI: 10.1021/ja961626l Supporting Info

ESR Fine Structure of Manganese Ions in Zeolite A Detects Strong Variations of the Coordination Environment Dirk E. De Vos, Bert M. Weckhuysen, and Thomas Bein pp 9615–9622 DOI: 10.1021/ja960012d

Conformational Analysis of Nonbridged Bent Metallocene Ziegler-Catalyst PrecursorsDetection of the Third Torsional Isomer Markus Knickmeier, Gerhard Erker, and Thomas Fox pp 9623–9630 DOI: 10.1021/ja9608048

Structure of Crystalline Phosphates from 31P Double-Quantum NMR Spectroscopy M. Feike, R. Graf, I. Schnell, C. Jäger, and H. W. Spiess pp 9631–9634 DOI: 10.1021/ja9619871

Energy Transfer in Dendritic Macromolecules:  Molecular Size Effects and the Role of an Energy Gradient Chelladurai Devadoss, P. Bharathi, and Jeffrey S. Moore pp 9635–9644 DOI: 10.1021/ja961418t

Quantitating the Balance between Enthalpic and Entropic Forces in Alkanethiol/Gold Monolayer Self Assembly H. M. Schessler, D. S. Karpovich, and G. J. Blanchard pp 9645–9651 DOI: 10.1021/ja961565r

Ligand Effects in C−H and C−C Bond Activation by Gas-Phase Transition Metal−Ligand Complexes Brenda L. Tjelta and P. B. Armentrout pp 9652–9660 DOI: 10.1021/ja9601043

Mechanisms for the Expulsion of Propene from Ionized Propyl Phenyl Ethers in the Gas Phase John C. Traeger and Thomas Hellman Morton pp 9661–9668 DOI: 10.1021/ja9607594 Supporting Info

Single Molecule Electrochemistry Fu-Ren F. Fan, Juhyoun Kwak, and Allen J. Bard pp 9669–9675 DOI: 10.1021/ja9610794 Supporting Info

Selective Photobleaching of (−Ag−O−) Strings on the Ag(110) Surface Yuji Matsumoto, Yuji Okawa, Kenji Suzuki, Kozo Mukai, and Ken-ichi Tanaka pp 9676–9679 DOI: 10.1021/ja9614070

Dynamic Processes of 1,1‘-Dihydroxy-2,2‘,6,6‘-tetra-tert-butylbiphenyl Radical Cation in Sulfuric Acid As Studied by Two-Dimensional FT-EPR Spectroscopy S. Kababya, I. Bilkis, and D. Goldfarb pp 9680–9690 DOI: 10.1021/ja960737h

Reaction of Phenyllithium with 3,5-Di-tert-butyl-o-benzoquinone (TBQ) and Structure of Li+(TBSQ•-) in Solution Martyn A. Brown, Bruce R. McGarvey, Andrzej Ozarowski, and Dennis G. Tuck pp 9691–9694 DOI: 10.1021/ja9613466

Poly(phenylenevinylene)-Attached Phenoxyl Radicals:  Ferromagnetic Interaction through Planarized and π-Conjugated Skeletons Hiroyuki Nishide, Takashi Kaneko, Takeshi Nii, Kohya Katoh, Eishun Tsuchida, and Paul M. Lahti pp 9695–9704 DOI: 10.1021/ja961721u Supporting Info

Resonance Raman Examination of the Electronic Excited States of Glycylglycine and Other Dipeptides:  Observation of a Carboxylate→Amide Charge Transfer Transition X. G. Chen, Pusheng Li, Janet S. W. Holtz, Zhenhuan Chi, Vasil Pajcini, Sanford A. Asher, and Lisa A. Kelly pp 9705–9715 DOI: 10.1021/ja960421+

Glycylglycine π→π* and Charge Transfer Transition Moment Orientations:  Near-Resonance Raman Single-Crystal Measurements Vasil Pajcini, X. G. Chen, Richard W. Bormett, Steven J. Geib, Pusheng Li, Sanford A. Asher, and Edward G. Lidiak pp 9716–9726 DOI: 10.1021/ja961725z

Quantum Chemistry:  Molecular Dynamics Study of the Dark-Adaptation Process in Bacteriorhodopsin Ilya Logunov and Klaus Schulten pp 9727–9735 DOI: 10.1021/ja953091m

Spin Densities and Polymerizabilities of Aniline Derivatives Deduced from Density Functional Calculations G. D'Aprano, E. Proynov, M. Lebœuf, M. Leclerc, and D. R. Salahub pp 9736–9742 DOI: 10.1021/ja953819z

Theoretical Studies on the Bioactive Conformation of Nerve Growth Factor Using VBMCA Novel Variable Basis Monte Carlo Simulated Annealing Algorithm for Peptides Igor L. Shamovsky, Gregory M. Ross, Richard J. Riopelle, and Donald F. Weaver pp 9743–9749 DOI: 10.1021/ja9611194 Supporting Info

A Quantum Chemical Study of Photoinduced DNA Repair:  On the Splitting of Pyrimidine Model Dimers Initiated by Electron Transfer Alexander A. Voityuk, Maria-Elisabeth Michel-Beyerle, and Notker Rösch pp 9750–9758 DOI: 10.1021/ja961252w

Ab Initio and RRKM Calculations for Multichannel Rate Constants of the C2H3 + O2 Reaction A. M. Mebel, E. W. G. Diau, M. C. Lin, and K. Morokuma pp 9759–9771 DOI: 10.1021/ja961476e Supporting Info

Theoretical Studies on the Decomposition Mechanism of Tetraalkyl Titanium Complexes Yun-Dong Wu, Zhi-Hui Peng, and Ziling Xue pp 9772–9777 DOI: 10.1021/ja9615132 Supporting Info

Incorporation of Nonnatural Amino Acids into Streptavidin through In Vitro Frame-Shift Suppression Takahiro Hohsaka, Yuki Ashizuka, Hiroshi Murakami, and Masahiko Sisido pp 9778–9779 DOI: 10.1021/ja9614225 Supporting Info

A Smart Surface:  Entropic Control of Composition at a Polymer/Water Interface Deborah H. Carey and Gregory S. Ferguson pp 9780–9781 DOI: 10.1021/ja952271t Supporting Info

Calculation of Electron Transfer Rate Constants from Spectra in Re(I) Chromophore−Quencher Complexes Juan Pablo Claude, Darryl S. Williams, and Thomas J. Meyer pp 9782–9783 DOI: 10.1021/ja960312v Supporting Info

Conversion of Myoglobin into a Highly Stereo- specific Peroxygenase by the L29H/H64L Mutation Shin-ichi Ozaki, Toshitaka Matsui, and Yoshihito Watanabe pp 9784–9785 DOI: 10.1021/ja961223l

Dipolar Determinations in Solids by Relaxation-Assisted NMR Recoupling Joseph R. Sachleben, Veronica Frydman, and Lucio Frydman pp 9786–9787 DOI: 10.1021/ja961636m

Solvent Reorganization as a Governing Factor in the Kinetics of Intramolecular Dissociative Electron Transfers. Cleavage of Anion Radicals of α-Substituted Acetophenones Claude P. Andrieux, Jean-Michel Savéant, André Tallec, Robert Tardivel, and Caroline Tardy pp 9788–9789 DOI: 10.1021/ja9622564 Supporting Info

Molecular Container Assembly Capable of Controlling Binding and Release of Its Guest Molecules:  Reversible Encapsulation of Organic Molecules in Sodium Ion Complexed Cucurbituril You-Moon Jeon, Jaheon Kim, Dongmok Whang, and Kimoon Kim pp 9790–9791 DOI: 10.1021/ja962071x Supporting Info

Absolute Kinetics of Alkoxychlorocarbene Fragmentation Robert A. Moss, Chuan-Sheng Ge, and Ljiljana Maksimovic pp 9792–9793 DOI: 10.1021/ja962194h Supporting Info

An Unusual Turn Structure in Peptides Containing α-Aminoxy Acids Dan Yang, Fei-Fu Ng, and Zhan-Ji LiYun-Dong Wu, Kyle W. K. Chan, and De-Ping Wang pp 9794–9795 DOI: 10.1021/ja960515j Supporting Info

Heteroarene-2-sulfonyl Chlorides (BtsCl; ThsCl):  Reagents for Nitrogen Protection and >99% Racemization-Free Phenylglycine Activation with SOCl2 Edwin Vedejs, Shouzhong Lin, Artis Klapars, and Jiabing Wang pp 9796–9797 DOI: 10.1021/ja961485n Supporting Info

The Mechanism of Addition of Phenols to Tetramesityldisilene. Evidence for Both Nucleophilic and Electrophilic Rate-Determining Steps Yitzhak Apeloig and Moshe Nakash pp 9798–9799 DOI: 10.1021/ja961746t

Poly((4-dihydroxyborophenyl)acetylene) as a Novel Probe for Chirality and Structural Assignments of Various Kinds of Molecules Including Carbohydrates and Steroids by Circular Dichroism Eiji Yashima, Tsuyoshi Nimura, Teruyuki Matsushima, and Yoshio Okamoto pp 9800–9801 DOI: 10.1021/ja960439k Supporting Info

The Synthesis of C-Trisaccharides Exploiting the Stereochemical Diversity of a Central Sugar Daniel P. Sutherlin and Robert W. Armstrong pp 9802–9803 DOI: 10.1021/ja960741t Supporting Info

A Biomimetic Approach to the Strychnos Alkaloids. A Novel, Concise Synthesis of (±)-Akuammicine and a Route to (±)-Strychnine Stephen F. Martin, Cameron W. Clark, Masayuki Ito, and Michael Mortimore pp 9804–9805 DOI: 10.1021/ja962577f Supporting Info

An Efficient Asymmetric Epoxidation Method for trans-Olefins Mediated by a Fructose-Derived Ketone Yong Tu, Zhi-Xian Wang, and Yian Shi pp 9806–9807 DOI: 10.1021/ja962345g Supporting Info

Self-Assembly of an “Artificial Dinucleotide Duplex” Jonathan L. Sessler and Ruizheng Wang pp 9808–9809 DOI: 10.1021/ja9618457 Supporting Info

Selective Binding of RNA, but Not DNA, by Complementary 2‘,5‘-Linked DNA Terry L. Sheppard and Ronald C. Breslow pp 9810–9811 DOI: 10.1021/ja962184g Supporting Info

A Highly Efficient Total Synthesis of (+)-Himbacine Samuel Chackalamannil, Robert J. Davies, Theodros Asberom, Darío Doller, and Daria Leone pp 9812–9813 DOI: 10.1021/ja962542f Supporting Info

Plastics and Resin Compositions Edited by W. Gordon Simpson. The Royal Society of Chemistry:  Cambridge, 1995. xi + 419 pp. £79.50. ISBN 0-85404-501-5. Spiro D. Alexandratos p 9814 DOI: 10.1021/ja9655000

Organic Electronic Spectral Data Volume XXXI, 1989 Edited by John P. Phillips (University of Louisville), Dallas Bates, Henry Feuer (Purdue University), and B. S. Thyagarajan (The University of Texas at San Antonio). Wiley:  New York. 1995. xiii + 887 pp. $175.00. ISBN 0-471-14093-7. p 9814 DOI: 10.1021/ja965622s

Issue 41

pH Control of the Catalytic Activity of Cross-Linked Enzyme Crystals in Organic Solvents Kui Xu and Alexander M. Klibanov pp 9815–9819 DOI: 10.1021/ja961596m

Facilitated Catecholamine Transport through Bulk and Polymer-Supported Liquid Membranes Marie-France Paugam, Jeffrey T. Bien, Bradley D. Smith, Lysander A. J. Chrisstoffels, Feike de Jong, and David N. Reinhoudt pp 9820–9825 DOI: 10.1021/ja9615076 Supporting Info

A Stereochemical Probe of the Tetrahedral Intermediate in the Reactions of Acetyl-Coenzyme A Dependent Acetyltransferases Benjamin Schwartz and Dale G. Drueckhammer pp 9826–9830 DOI: 10.1021/ja9616241

Cyclizations in the Addition of Alkylmercury Halides to Dienes and Enynes Glen A. Russell, Chaozhong Li, and Ping Chen pp 9831–9840 DOI: 10.1021/ja9601898 Supporting Info

Bi- and Tricyclic Penta- and Hexacoordinated Phosphoranes with Varying Ring Sizes:  Synthesis, Structures, and Reactivity Musa A. Said, Melanie Pülm, R. Herbst-Irmer, and K. C. Kumara Swamy pp 9841–9849 DOI: 10.1021/ja960554v Supporting Info

Anomeric Effect in 1,3-Dioxole:  A Theoretical Study D. Suárez, T. L. Sordo, and J. A. Sordo pp 9850–9854 DOI: 10.1021/ja950735h

Fluorophobic Effect Induces the Self-Assembly of Semifluorinated Tapered Monodendrons Containing Crown Ethers into Supramolecular Columnar Dendrimers Which Exhibit a Homeotropic Hexagonal Columnar Liquid Crystalline Phase Virgil Percec, Gary Johansson, Goran Ungar, and Jianping Zhou pp 9855–9866 DOI: 10.1021/ja9615738 Supporting Info

One- and Two-Metal Ion Catalysis of the Hydrolysis of Adenosine 3‘-Alkyl Phosphate Esters. Models for One- and Two-Metal Ion Catalysis of RNA Hydrolysis Thomas C. Bruice, Akira Tsubouchi, Robert O. Dempcy, and Leif P. Olson pp 9867–9875 DOI: 10.1021/ja9607300

An Asymmetric Route to the Conanine BCDE Ring System. A Formal Total Synthesis of (+)-Conessine Michael E. Kopach, Andrew H. Fray, and A. I. Meyers pp 9876–9883 DOI: 10.1021/ja961903o Supporting Info

A Highly Stereoselective and Practical Total Synthesis of the Tricyclic β-Lactam Antibiotic GV104326 (4-Methoxytrinem) Stephen Hanessian and Michael J. Rozema pp 9884–9891 DOI: 10.1021/ja962006n Supporting Info

Functional Necessity and Physicochemical Characteristics of the [2Fe−2S] Cluster in Mammalian Ferrochelatase Steven G. Lloyd, Ricardo Franco, José J. G. Moura, Isabel Moura, Glória C. Ferreira, and Boi Hanh Huynh pp 9892–9900 DOI: 10.1021/ja954000o

Organic Reactions Catalyzed by Methylrhenium Trioxide:  Reactions of Ethyl Diazoacetate and Organic Azides Zuolin Zhu and James H. Espenson pp 9901–9907 DOI: 10.1021/ja954039t Supporting Info

Tetra-tert-butylethylene:  An Elusive Molecule with a Highly Twisted Double Bond. Can It Be Made by Carbene Dimerization? Horst M. Sulzbach, Evan Bolton, Dieter Lenoir, Paul v. R. Schleyer, and Henry F. Schaefer III pp 9908–9914 DOI: 10.1021/ja960549r Supporting Info

Metal−Silane Interaction in the Novel Pseudooctahedral Silane Complex cis-Mo(CO)(PH3)4(H···SiH3) and Some Related Isomers:  An ab Initio Study Man-Fai Fan, Guochen Jia, and Zhenyang Lin pp 9915–9921 DOI: 10.1021/ja960717f

Direct Dynamics Simulation of the Lifetime of Trimethylene Charles Doubleday, Jr., Kim Bolton, Gilles H. Peslherbe, and William L. Hase pp 9922–9931 DOI: 10.1021/ja962434t

A Theoretical View on Co+-Mediated C−C and C−H Bond Activations in Ethane Max C. Holthausen and Wolfram Koch pp 9932–9940 DOI: 10.1021/ja954090x

Chromium Dioxide Cation OCrO+ in the Gas Phase:  Structure, Electronic States, and the Reactivity with Hydrogen and Hydrocarbons1 Andreas Fiedler, Ilona Kretzschmar, Detlef Schröder, and Helmut Schwarz pp 9941–9952 DOI: 10.1021/ja960157k

Surface-Bound Helical Polyacetaldehyde Chains and Bidentate Acetate Intermediates on Ag{111} W. S. Sim, P. Gardner, and D. A. King pp 9953–9959 DOI: 10.1021/ja960662h

Gas-Phase Reactivity of Lanthanide Cations with Fluorocarbons:  C−F versus C−H and C−C Bond Activation Hans H. Cornehl, Georg Hornung, and Helmut Schwarz pp 9960–9965 DOI: 10.1021/ja961343t

Nitrogen and Oxygen Donors in Nonlinear Optical Materials:  Effects of Alkyl vs Phenyl Substitution on the Molecular Hyperpolarizability Craig M. Whitaker, Eric V. Patterson, Kevin L. Kott, and Robert J. McMahon pp 9966–9973 DOI: 10.1021/ja960284g Supporting Info

A Proton-Transfer Probe of a Polymer−Water Interface. 2-Naphthol-Labeled Poly(isopropyl)acrylamide Sandra Linares-Samaniego and Laren M. Tolbert pp 9974–9979 DOI: 10.1021/ja961915+

Metal-Mediated Tandem [6 + 2],homo[6 + 2] Cycloadditions of Alkynes to Cycloheptatriene. Generation of Novel Tetracycloundecadienes Weichun Chen, Karen Chaffee, Hyei-Jha Chung, and John B. Sheridan pp 9980–9981 DOI: 10.1021/ja961436a Supporting Info

Rapid Cleavage of RNA with a La(III) Dimer Phillip Hurst, Bryan K. Takasaki, and Jik Chin pp 9982–9983 DOI: 10.1021/ja961055x Supporting Info

Synchronous or Asynchronous? An “Experimental” Transition State from a Direct Comparison of Experimental and Theoretical Kinetic Isotope Effects for a Diels−Alder Reaction Brett R. Beno, K. N. Houk, and Daniel A. Singleton pp 9984–9985 DOI: 10.1021/ja9615278 Supporting Info

Allylboration of Alkenes with Allyldihaloboranes Daniel A. Singleton, Stephen C. Waller, Zongren Zhang, Doug E. Frantz, and Shun-Wang Leung pp 9986–9987 DOI: 10.1021/ja961616k

Decisive Evidence for Nonclassical Bonding in Five-Vertex closo-Boranes, X2B3H3, X = N, CH, P, SiH, BH- Paul von Ragué Schleyer, Govindan Subramanian, and Alk Dransfeld pp 9988–9989 DOI: 10.1021/ja962036q Supporting Info

Photochromism in 1,1‘-Bi-2-naphthols Marino Cavazza and Maurizio ZandomeneghiAkihiko Ouchi and Yoshinori Koga pp 9990–9991 DOI: 10.1021/ja960516b

Highly Stereoselective First Synthesis of an A-Ring-Functionalized Bakkane:  Novel Free-Radical Approach to 9-Acetoxyfukinanolide Olivier Hamelin, Jean-Pierre Deprés, and Andrew E. GreeneBernard Tinant and Jean-Paul Declercq pp 9992–9993 DOI: 10.1021/ja962517+ Supporting Info

Remarkably Stable Parallel-Stranded Oligonucleotides Containing 5-Methylisocytosine and Isoguanine Hiroshi Sugiyama, Shuji Ikeda, and Isao Saito pp 9994–9995 DOI: 10.1021/ja961371b

Superconductivity at 5.2 K in an Electron Donor Radical Salt of Bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF) with the Novel Polyfluorinated Organic Anion SF5CH2CF2SO3- Urs Geiser, John A. Schlueter, H. Hau Wang, Aravinda M. Kini, Jack M. Williams, Paul P. Sche, Halina I. Zakowicz, Michael L. VanZile, and James D. DudekPaul G. Nixon, Rolf W. Winter, and Gary L. GardJ. Ren and M.-H. Whangbo pp 9996–9997 DOI: 10.1021/ja962188l Supporting Info

Solid-Phase Synthesis of 6-Deoxyoligosaccharides J. A. Hunt and William R. Roush pp 9998–9999 DOI: 10.1021/ja962128f Supporting Info

Hydrogenation of Fluoroolefins Studied by Gas Phase NMR:  A New Technique for Heterogeneous Catalysis P. M. Kating, P. J. Krusic, D. C. Roe, and B. E. Smart pp 10000–10001 DOI: 10.1021/ja961918m

Tetramethoxy Calix[4]arenes Revisited:  Conformational Control through Self-Assembly Ronald K. Castellano, Dmitry M. Rudkevich, and Julius Rebek, Jr. pp 10002–10003 DOI: 10.1021/ja962655z

Reaction of Atomic and Molecular Carbon with Cyclooctatetraene Weitao Pan and Philip B. Shevlin pp 10004–10005 DOI: 10.1021/ja9615280

Enantioselective Synthesis of Neocarzinostatin Chromophore Aglycon Andrew G. Myers, Marlys Hammond, Yusheng Wu, Jia-Ning Xiang, Philip M. Harrington, and Elaine Y. Kuo pp 10006–10007 DOI: 10.1021/ja9618863 Supporting Info

Living Polymerization of α-Olefins by Chelating Diamide Complexes of Titanium John D. Scollard and David H. McConville pp 10008–10009 DOI: 10.1021/ja9618964 Supporting Info

The Chemistry of Organic Germanium, Tin and Lead Compounds Edited by Saul Patai (The Hebrew University). Wiley:  New York. 1995. xv + 997 pp. $625. ISBN 0-471-94207-3. Peter Gaspar p 10010 DOI: 10.1021/ja9553718

Organosilicon Chemistry II:  From Molecules to Materials Edited by Norbert Auner (Humboldt Universitat zu Berlin) and Johann Weis (Wacker-Chemie GmbH). VCH:  Weinheim. 1995. xxiii + 852 pp. DM188.00. ISBN 3-527-29254-3. p 10010 DOI: 10.1021/ja965557m

Bioinformatics:  From Nucleic Acids and Proteins to Cell Metabolism (GBF Monographs, Volume 18) Edited by Dietmar Schomburg and Uta Lessel (Institute for Biotechnology Research). VCH:  New York. 1995. viii + 195 pp. $95.00. ISBN 3-527-30072-4. p 10010 DOI: 10.1021/ja965597q

Issue 42

Cooperative Oligomerization Enhances Sequence-Selective DNA Binding by a Short Peptide Takashi Morii, Junji Yamane, Yasunori Aizawa, Keisuke Makino, and Yukio Sugiura pp 10011–10017 DOI: 10.1021/ja953741m

Cyclic Peptides from Linear Unprotected Peptide Precursors through Thiazolidine Formation Paolo Botti, T. David Pallin, and James P. Tam pp 10018–10024 DOI: 10.1021/ja954278g

A Novel Mechanism for the Formation of Direct Strand Breaks upon Anaerobic Photolysis of Duplex DNA Containing 5-Bromodeoxyuridine Gary P. Cook and Marc M. Greenberg pp 10025–10030 DOI: 10.1021/ja960652g Supporting Info

Induction of Strand Breaks in Single-Stranded Polyribonucleotides and DNA by Photoionization:  One Electron Oxidized Nucleobase Radicals as Precursors T. Melvin, S. W. Botchway, A. W. Parker, and P. O'Neill pp 10031–10036 DOI: 10.1021/ja961722m

Aristolochene Synthase. Elucidation of the Cryptic Germacrene A Synthase Activity Using the Anomalous Substrate Dihydrofarnesyl Diphosphate David E. Cane and Youla S. Tsantrizos pp 10037–10040 DOI: 10.1021/ja961981b

The Chemical Evolution of DNA−DNA Interstrand Cross-Linkers That Recognize Defined Mixed AT and GC Sequences Hyun-Ju Park, Robert C. Kelly, and Laurence H. Hurley pp 10041–10051 DOI: 10.1021/ja961678a Supporting Info

Manipulative Interplay of the Interstrand Cross-Linker Bizelesin with d(TAATTA)2 To Achieve Sequence Recognition of DNA Frederick C. Seaman and Laurence Hurley pp 10052–10064 DOI: 10.1021/ja961924i Supporting Info

2‘-Deoxy-7-(hydroxymethyl)-7-deazaadenosine:  A New Analogue to Model Structural Water in the Major Groove of DNA Jason K. Rockhill, Scott R. Wilson, and Richard I. Gumport pp 10065–10068 DOI: 10.1021/ja961540s Supporting Info

Hydrosilation of the Manganese Acetyl (CO)5MnC(O)CH3 with Monohydrosilanes Brian T. Gregg and Alan R. Cutler pp 10069–10084 DOI: 10.1021/ja9528801

Separation of 2(3),9(10),16(17),23(24)-Tetrasubstituted Phthalocyanines with Newly Developed HPLC Phases Michael Sommerauer, Christine Rager, and Michael Hanack pp 10085–10093 DOI: 10.1021/ja961009x

On the Diastereoselectivity of Intramolecular Pd-Catalyzed TMM Cycloadditions. An Asymmetric Synthesis of the Perhydroazulene (−)-Isoclavukerin A Barry M. Trost and Robert I. Higuchi pp 10094–10105 DOI: 10.1021/ja961561m Supporting Info

Conformationally Restricted TRH Analogs:  The Compatibility of a 6,5-Bicyclic Lactam-Based Mimetic with Binding to TRH-R Wenhao Li and Kevin D. Moeller pp 10106–10112 DOI: 10.1021/ja961887v Supporting Info

Photochemistry of the Nonspecific Hydroxyl Radical Generator, N-Hydroxypyridine-2(1H)-thione Béatrice M. Aveline, Irene E. Kochevar, and Robert W. Redmond pp 10113–10123 DOI: 10.1021/ja961988t

Photochemistry of N-Hydroxy-2(1H)-pyridone, a More Selective Source of Hydroxyl Radicals Than N-Hydroxypyridine-2(1H)-thione Béatrice M. Aveline, Irene E. Kochevar, and Robert W. Redmond pp 10124–10133 DOI: 10.1021/ja961989l

The Oxamate Anion:  A Flexible Building Block of Hydrogen-Bonded Architectures for Crystal Engineering Christer B. Aakeröy, Deirdre P. Hughes, and Mark Nieuwenhuyzen pp 10134–10140 DOI: 10.1021/ja953296v Supporting Info

Evidence for Reversible Ylide Formation:  Equilibrium between Free Alkylidenecarbenes and Ethereal Solvent−Alkylidenecarbene Complexes (Oxonium Ylides) Takuya Sueda, Takema Nagaoka, Satoru Goto, and Masahito Ochiai pp 10141–10149 DOI: 10.1021/ja961797q

Rapid Combinatorial Synthesis of Aminoglycoside Antibiotic Mimetics:  Use of a Polyethylene Glycol-Linked Amine and a Neamine-Derived Aldehyde in Multiple Component Condensation as a Strategy for the Discovery of New Inhibitors of the HIV RNA Rev Responsive Element William K. C. Park, Manfred Auer, Herbert Jaksche, and Chi-Huey Wong pp 10150–10155 DOI: 10.1021/ja9612817

Synthesis and Conformational Analysis of Linear and Cyclic Peptides Containing Sugar Amino Acids Erich Graf von Roedern, Elisabeth Lohof, Gerhard Hessler, Matthias Hoffmann, and Horst Kessler pp 10156–10167 DOI: 10.1021/ja961068a Supporting Info

1-Oxo-2-oxa-1-phosphabicyclo[2.2.2]octane:  A New Mechanistic Probe for the Basic Hydrolysis of Phosphate Esters Andrzej E. Wróblewski and John G. Verkade pp 10168–10174 DOI: 10.1021/ja9611147 Supporting Info

Assembly of Molybdenum/Titanium μ-Oxo Complexes via Radical Alkoxide C−O Cleavage Jonas C. Peters, Adam R. Johnson, Aaron L. Odom, Paulus W. Wanandi, William M. Davis, and Christopher C. Cummins pp 10175–10188 DOI: 10.1021/ja960564w Supporting Info

Characterization and Reactivity of an Unprecedented Unsaturated Zero-Valent Ruthenium Species:  Isolable, Yet Highly Reactive Masamichi Ogasawara, Stuart A. Macgregor, William E. Streib, Kirsten Folting, Odile Eisenstein, and Kenneth G. Caulton pp 10189–10199 DOI: 10.1021/ja960967w Supporting Info

Combined EXAFS and Powder Diffraction Analysis N. Binsted, M. J. Pack, M. T. Weller, and J. Evans pp 10200–10210 DOI: 10.1021/ja953251u

Ion-Gated Electron Transfer in Self-Assembled Monolayer Films Dean J. Campbell, Brian R. Herr, John C. Hulteen, Richard P. Van Duyne, and Chad A. Mirkin pp 10211–10219 DOI: 10.1021/ja961873p Supporting Info

Stabilization of a Cis Amide Bond in a Host−Guest Complex Glen J. Pernía, Jeremy D. Kilburn, Jonathan W. Essex, Russell J. Mortishire-Smith, and Michael Rowley pp 10220–10227 DOI: 10.1021/ja9607805 Supporting Info

Radical Pair and Triplet State Dynamics of a Photosynthetic Reaction-Center Model Embedded in Isotropic Media and Liquid Crystals Kobi Hasharoni, Haim Levanon, Scott R. Greenfield, David, J. Gosztola, Walter A. Svec, and Michael R. Wasielewski pp 10228–10235 DOI: 10.1021/ja961919e

Kinetics and Mechanism of the Heterogeneous Oxidation of Ethane and Ethylene on Samarium(III) Oxide V. T. Amorebieta and A. J. Colussi pp 10236–10241 DOI: 10.1021/ja961273q

Reactions of Laser-Ablated Be and Mg Atoms with C2H2:  Infrared Spectra and Density Functional Calculations of Novel Metal−Acetylene Species Craig A. Thompson and Lester Andrews pp 10242–10249 DOI: 10.1021/ja9616847

Nitrogen Chemisorption on the Coordinatively Unsaturated Rh Site on Al2O3 Edward A. Wovchko and John T. Yates, Jr. pp 10250–10256 DOI: 10.1021/ja960303m

Unexpected Roles of Guest Polarizability and Maximum Hardness, and of Host Solvation in Supramolecular Inclusion Complexes:  A Dual Theoretical and Experimental Study René Castro, Marcelo J. Berardi, Emilio Córdova, Mariluz Ochoa de Olza, Angel E. Kaifer, and Jeffrey D. Evanseck pp 10257–10268 DOI: 10.1021/ja960700x Supporting Info

Conformers, Energetics, and Basicity of 2,2‘-Bipyridine Sean T. Howard pp 10269–10274 DOI: 10.1021/ja960932w

How Predictable Are IR Transition Moment Directions? Vibrational Transitions in Propene and Deuterated Propenes Juliusz G. Radziszewski, John W. Downing, Murthy S. Gudipati, V. Balaji, Erik W. Thulstrup, and Josef Michl pp 10275–10284 DOI: 10.1021/ja961668+

Vibrational Optical Activity of (3S,6S)-3,6-Dimethyl-1,4-dioxane-2,5-dione Cheok N. Tam, Petr Bour, and Timothy A. Keiderling pp 10285–10293 DOI: 10.1021/ja961677i

MC4:  A Hypothetical Three-Dimensional Organometallic Net with Metal−Metal Bonding and Polyacetylene Substructures Norman Goldberg, Huang Tang, Nancy Kroohs, and Roald Hoffmann pp 10294–10302 DOI: 10.1021/ja961868l Supporting Info

The First Stable Cyclic Disilene:  Hexakis(trialkylsilyl)tetrasilacyclobutene Mitsuo Kira, Takeaki Iwamoto, and Chizuko Kabuto pp 10303–10304 DOI: 10.1021/ja961913p Supporting Info

A First Example of a “Wittig Reaction” on a Coordinated Carbon Dioxide Nickel Complex Chris A. Wright, Matthew Thorn, James W. McGill, Angela Sutterer, Shannon M. Hinze, Ryan B. Prince, and Jin K. Gong pp 10305–10306 DOI: 10.1021/ja962547c

A Remarkably Specific π-Mediated Rearrangement of Benzocyclobutenylfluorocarbene Robert A. Moss, Song Xue, and Ronald R. Sauers pp 10307–10308 DOI: 10.1021/ja961939g Supporting Info

Cold Denaturation of Monomeric Peptide Helices Niels H. Andersen, John R. Cort, Zhinhong Liu, Sandra J. Sjoberg, and Hui Tong pp 10309–10310 DOI: 10.1021/ja961143h Supporting Info

Characterization of Methylenepropenylidenecyclohexadiene Derivatives and Their Competing 1,6-Electrocyclic Reaction and 1,7-Hydrogen Shift at Room Temperature Mariella Mella, Mauro Freccero, and Angelo Albini pp 10311–10312 DOI: 10.1021/ja9621455

“Denaturation” and Refolding of Cytochrome c in Vacuo Konstantin B. Shelimov and Martin F. Jarrold pp 10313–10314 DOI: 10.1021/ja962419o

A Remarkable Structural Sensitivity toward Electrogeneration of Metallopolyacetylenes Vincent Grosshenny, Anthony Harriman, Jean-Paul Gisselbrecht, and Raymond Ziessel pp 10315–10316 DOI: 10.1021/ja961604z Supporting Info

Hydrogenation of Borollide−Tantalum Complexes:  Low-Valent Intermediates and the Effect of Exocyclic Substituents Caroline M. Kowal and Guillermo C. Bazan pp 10317–10318 DOI: 10.1021/ja961934j Supporting Info

Experimental Evidence for Extensive Tunneling of Hydrogen in the Lipoxygenase Reaction:  Implications for Enzyme Catalysis Thorlakur Jonsson, Michael H. Glickman, Shujun Sun, and Judith P. Klinman pp 10319–10320 DOI: 10.1021/ja961827p

Electrical Wiring of Glucose Oxidase by Reconstitution of FAD-Modified Monolayers Assembled onto Au-Electrodes Itamar Willner, Vered Heleg-Shabtai, Ron Blonder, Eugenii Katz, and Guoliang TaoAndreas F. BückmannAdam Heller pp 10321–10322 DOI: 10.1021/ja9608611 Supporting Info

Evolution of Enzymatic Activities:  Multiple Pathways for Generating and Partitioning a Common Enolic Intermediate by Glucarate Dehydratase from Pseudomonas putida David R. J. Palmer and John A. Gerlt pp 10323–10324 DOI: 10.1021/ja962126v

Biomimetic Chemistry of Chromium. Intramolecular Conversion of Hydroperoxochromium(III) to Oxochromium(V) Andreja Bakac and Wei-Dong Wang pp 10325–10326 DOI: 10.1021/ja962418w Supporting Info

Enantioselective Total Synthesis of (+)-U-106305 André B. Charette and Hélène Lebel pp 10327–10328 DOI: 10.1021/ja9619420 Supporting Info

Bimodal Distribution of Lifetimes for an Intermediate from a Quasiclassical Dynamics Simulation Barry K. Carpenter pp 10329–10330 DOI: 10.1021/ja9617707

Generalized Rank Annihilation Method Applied to a Single Multicomponent Pulsed Gradient Spin Echo NMR Data Set Brian Antalek and Willem Windig pp 10331–10332 DOI: 10.1021/ja962172v

Synthesis of Oxygen Heterocycles via a Palladium-Catalyzed C−O Bond-Forming Reaction Michael Palucki, John P. Wolfe, and Stephen L. Buchwald pp 10333–10334 DOI: 10.1021/ja962408v Supporting Info

An Olefin Metathesis Based Strategy for the Construction of the JKL, OPQ, and UVW Ring Systems of Maitotoxin K. C. Nicolaou, M. H. D. Postema, E. W. Yue, and A. Nadin pp 10335–10336 DOI: 10.1021/ja962862z Supporting Info

Complementarity of Combinatorial Chemistry and Structure-Based Ligand Design:  Application to the Discovery of Novel Inhibitors of Matrix Metalloproteinases Arlene Rockwell, Mark Melden, Robert A. Copeland, Karl Hardman, Carl P. Decicco, and William F. DeGrado pp 10337–10338 DOI: 10.1021/ja960897t Supporting Info

Flavor Technology:  Physical Chemistry, Modification, and Process Edited by Chi-Tang Ho (Rutgers University), Chee-Teck Tan (International Flavors & Fragrances, Inc.), and Chao-Hsiang Tong (Rutgers University). ACS:  Washington, DC, 1995. xi + 266 pp. $69.95. ISBN 0-8412-3326-8. p 10339 DOI: 10.1021/ja965596y

Palladium Reagent and Catalysts. Innovations in Chemical Synthesis By Jiro Tsuji (Okayama University of Science). Wiley:  New York. 1995. xiv + 560 pp. $150.00. ISBN 0-471-95438-7. John C. Woolcock p 10339 DOI: 10.1021/ja9656513

Electrochemistry for Chemists, 2nd ed By Donald Sawyer (Texas A&M University), Andrzej Sobkowiak (Rzeszow University of Technology), and Julian L. Roberts, Jr. (University of Redlands). Wiley:  New York. 1995. xv + 505 pp. $64.95. ISBN 0-471-59468-7. Anna Brajter-Toth pp 10339–10340 DOI: 10.1021/ja955400e

Chemical Equilibria Bases for Oxide and Organic Superconductors By R. J. Thorn (Argonne National Laboratory). Wiley:  New York. 1996. viii + 200 pp. $69.96. ISBN 0-471-10363-2. Maurice I. Hart p 10340 DOI: 10.1021/ja9656309

Luminescent Materials By G. Blasse (University of Utrecht, The Netherlands) and B. C. Grabmaier (Siemens Research Laboratories). Springer:  New York. 1994. x + 232 pp. $49.95. ISBN 0-387-58109-0. Kevin L. Bray p 10340 DOI: 10.1021/ja965667t

Issue 43

Synthesis and Characterization of an RNA Dinucleotide Containing a 3‘-S-Phosphorothiolate Linkage Lara B. Weinstein, David J. Earnshaw, Richard Cosstick, and Thomas R. Cech pp 10341–10350 DOI: 10.1021/ja9616903 Supporting Info

Acetyl-Terminated and Template-Assembled Collagen-Based Polypeptides Composed of Gly-Pro-Hyp Sequences. 2. Synthesis and Conformational Analysis by Circular Dichroism, Ultraviolet Absorbance, and Optical Rotation Yangbo Feng, Giuseppe Melacini, Joseph P. Taulane, and Murray Goodman pp 10351–10358 DOI: 10.1021/ja961260c Supporting Info

Acetyl-Terminated and Template-Assembled Collagen-Based Polypeptides Composed of Gly-Pro-Hyp Sequences. 3. Conformational Analysis by 1H-NMR and Molecular Modeling Studies Giuseppe Melacini, Yangbo Feng, and Murray Goodman pp 10359–10364 DOI: 10.1021/ja9612615 Supporting Info

Rational Control of Enzymatic Enantioselectivity through Solvation Thermodynamics Charles R. Wescott, Hidetaka Noritomi, and Alexander M. Klibanov pp 10365–10370 DOI: 10.1021/ja961394q

Acid-Catalyzed Solvolysis of CMP-N-Acetyl Neuraminate:  Evidence for a Sialyl Cation with a Finite Lifetime Benjamin A. Horenstein and Michael Bruner pp 10371–10379 DOI: 10.1021/ja961811z Supporting Info

A Site-Specific Tetrafunctional Reagent for Protein Modification:  Cross-Linked Hemoglobin with Two Sites for Further Reaction Krisztina Paal, Richard T. Jones, and Ronald Kluger pp 10380–10383 DOI: 10.1021/ja961833l

Conformational Control by Thiazole and Oxazoline Rings in Cyclic Octapeptides of Marine Origin. Novel Macrocyclic Chair and Boat Conformations G. Abbenante, D. P. Fairlie, L. R. Gahan, G. R. Hanson, G. K. Pierens, and A. L. van den Brenk pp 10384–10388 DOI: 10.1021/ja962260f

π-Conjugated Donor−Acceptor Copolymers Constituted of π-Excessive and π-Deficient Arylene Units. Optical and Electrochemical Properties in Relation to CT Structure of the Polymer Takakazu Yamamoto, Zhen-hua Zhou, Takaki Kanbara, Masaki Shimura, Kenichi Kizu, Tsukasa Maruyama, Yoshiyuki Nakamura, Takashi Fukuda, Bang-Lin Lee, Naoki Ooba, Satoru Tomaru, Takashi Kurihara, Toshikuni Kaino, Kenji Kubota, and Shintaro Sasaki pp 10389–10399 DOI: 10.1021/ja961550t Supporting Info

Electron Exchange Luminescence of Spiroadamantane-Substituted Dioxetanes Triggered by Alkaline Phosphatase. Kinetics and Elucidation of pH Effects Waldemar Adam, Irena Bronstein, Brooks Edwards, Thomas Engel, Dirk Reinhardt, Friedemann W. Schneider, Alexei V. Trofimov, and Rostislav F. Vasil'ev pp 10400–10407 DOI: 10.1021/ja961904g Supporting Info

Elemental Fluorine to 8-Fluoropurines in One Step Jorge R. Barrio, Mohammad Namavari, Michael E. Phelps, and Nagichettiar Satyamurthy pp 10408–10411 DOI: 10.1021/ja961456c

Synthesis of Natural and Modified Trapoxins, Useful Reagents for Exploring Histone Deacetylase Function Jack Taunton, Jon L. Collins, and Stuart L. Schreiber pp 10412–10422 DOI: 10.1021/ja9615841

Protioacyl Dications:  Hydrogen/Deuterium Exchange, Rearrangements, and Theoretical Studies1 George A. Olah, Arwed Burrichter, Golam Rasul, G. K. Surya Prakash, Mohammed Hachoumy, and Jean Sommer pp 10423–10428 DOI: 10.1021/ja961519r

Raman and Infrared Spectroscopy of Cyanide-Inhibited CO Dehydrogenase/Acetyl-CoA Synthase from Clostridium thermoaceticum:  Evidence for Bimetallic Enzymatic CO Oxidation Di Qiu, Manoj Kumar, Stephen W. Ragsdale, and Thomas G. Spiro pp 10429–10435 DOI: 10.1021/ja960435f

Identification and Description of Copper-Thiolate Vibrations in the Dinuclear CuA Site of Cytochrome c Oxidase Colin R. Andrew, Robert Fraczkiewicz, Roman S. Czernuszewicz, Pekka Lappalainen, Matti Saraste, and Joann Sanders-Loehr pp 10436–10445 DOI: 10.1021/ja960969g Supporting Info

Highly Symmetric Group 13 Metal−Phosphinato Complexes:  Multinuclear NMR (27Al, 31P, 71Ga) Determination of Stability Constants at Low pH Mark P. Lowe, Steven J. Rettig, and Chris Orvig pp 10446–10456 DOI: 10.1021/ja961633+ Supporting Info

Synthesis and Study of Cyclic π-Systems Containing Silicon and Germanium. The Question of Aromaticity in Cyclopentadienyl Analogues William P. Freeman, T. Don Tilley, Louise M. Liable-Sands, and Arnold L. Rheingold pp 10457–10468 DOI: 10.1021/ja962103g Supporting Info

Dinuclear Cycloaurated Complexes Containing Bridging (2-Diphenylphosphino)phenylphosphine and (2-Diethylphosphino)phenylphosphine, C6H4PR2 (R = Ph, Et). Carbon−Carbon Bond Formation by Reductive Elimination at a Gold(II)−Gold(II) Center Martin A. Bennett, Suresh K. Bhargava, David C. R. Hockless, Lee L. Welling, and Anthony C. Willis pp 10469–10478 DOI: 10.1021/ja961511h Supporting Info

solitaire-Porphyrazines:  Synthetic, Structural, and Spectroscopic Investigation of Complexes of the Novel Binucleating Norphthalocyanine-2,3-dithiolato Ligand Theodore F. Baumann, Mohammad S. Nasir, John W. Sibert, Andrew J. P. White, Marilyn M. Olmstead, David J. Williams, Anthony G. M. Barrett, and Brian M. Hoffman pp 10479–10486 DOI: 10.1021/ja9619115 Supporting Info

gemini-Porphyrazines:  The Synthesis and Characterization of Metal-Capped cis- and trans-Porphyrazine Tetrathiolates John W. Sibert, Theodore F. Baumann, David J. Williams, Andrew J. P. White, A. G. M. Barrett, and Brian M. Hoffman pp 10487–10493 DOI: 10.1021/ja961912x Supporting Info

Transition State Imbalances in Gas Phase Proton Transfers. Ab Initio Study of the Carbon-to-Carbon Proton Transfer from the Protonated Acetaldehyde Cation to Acetaldehyde Enol Claude F. Bernasconi and Philip J. Wenzel pp 10494–10504 DOI: 10.1021/ja960233j Supporting Info

Gas Phase Atomic Hydrogen Induced Carbon−Carbon Bond Activation in Cyclopropane on the Ni(100) Surface Kyung-Ah Son and John L. Gland pp 10505–10514 DOI: 10.1021/ja9603923

Ab Initio and Experimental Studies on the Protonation of Glucose in the Gas Phase Kimberly A. Jebber, Kui Zhang, Carolyn J. Cassady, and Alice Chung-Phillips pp 10515–10524 DOI: 10.1021/ja960427z Supporting Info

Can Organometallic Noble Gas Compounds Be Observed in Solution at Room Temperature? A Time-Resolved Infrared (TRIR) and UV Spectroscopic Study of the Photochemistry of M(CO)6 (M = Cr, Mo, and W) in Supercritical Noble Gas and CO2 Solution Xue-Zhong Sun, Michael W. George, Sergei G. Kazarian, Sergei M. Nikiforov, and Martyn Poliakoff pp 10525–10532 DOI: 10.1021/ja960485k Supporting Info

Glycine Valence Orbital Electron Densities:  Comparison of Electron Momentum Spectroscopy Experiments with Hartree−Fock and Density Functional Theories John J. Neville, Y. Zheng, and C. E. Brion pp 10533–10544 DOI: 10.1021/ja9613015

Energetics of Reactions Involving Transition Metal Complexes:  Calculation of Relative Electrode Potentials for Cobalt Complexes at Various Ionic Strengths Using Density Functional and Poisson−Boltzmann Methods Jian Hui Wu and Christopher A. Reynolds pp 10545–10550 DOI: 10.1021/ja9506723 Supporting Info

Intermediates and Transition Structures of the Benzannulation of Heteroatom-Stabilized Chromium Carbene Complexes with Ethyne:  A Density Functional Study Matthias M. Gleichmann, Karl H. Dötz, and Bernd A. Hess pp 10551–10560 DOI: 10.1021/ja9612312 Supporting Info

Relative Stabilities and Hydride Affinities of Silatropylium and Silabenzyl Cations and Their Isomers. Comparison with the Carbon Analogues Tropylium and Benzyl Cations Athanassios Nicolaides and Leo Radom pp 10561–10570 DOI: 10.1021/ja9609664 Supporting Info

A Theoretical Study of Chlorine Atom and Methyl Radical Addition to Nitrogen Bases:  Why Do Cl Atoms Form Two-Center−Three-Electron Bonds Whereas CH3 Radicals Form Two-Center−Two-Electron Bonds? Michael L. McKee, Athanassios Nicolaides, and Leo Radom pp 10571–10576 DOI: 10.1021/ja9613973 Supporting Info

Influence of Substituents on Kinetic Isotope Effects Peter Aa. Nielsen, Sanne S. Glad, and Frank Jensen pp 10577–10583 DOI: 10.1021/ja961501g Supporting Info

Structure of a Model Transient Peroxide Intermediate of Peroxidases by ab Initio Methods Gilda Loew and Michel Dupuis pp 10584–10587 DOI: 10.1021/ja961723e

Identification of Putative Peroxide Intermediates of Peroxidases by Electronic Structure and Spectra Calculations Danni L. Harris and Gilda H. Loew pp 10588–10594 DOI: 10.1021/ja9617247

Difluorodioxirane:  An Unusual Cyclic Peroxide Elfi Kraka, Zoran Konkoli, Dieter Cremer, Joseph Fowler, and Henry F. Schaefer III pp 10595–10608 DOI: 10.1021/ja961983w Supporting Info

Solid-State Diode-like Chemiluminescence Based on Serial, Immobilized Concentration Gradients in Mixed-Valent Poly[Ru(vbpy)3](PF6)2 Films Karolyn M. Maness, Roger H. Terrill, Thomas J. Meyer, Royce W. Murray, and R. Mark Wightman pp 10609–10616 DOI: 10.1021/ja953185w

Solvation of SCN- and SeCN- Anions in Hydrogen-Bonding Solvents Philip W. Schultz, George E. Leroi, and Alexander I. Popov pp 10617–10625 DOI: 10.1021/ja960882v

Stable Triplet-State Di(Cation Radicals) of a Meta−Para Aniline Oligomer by “Acid Doping” Martijn M. Wienk and René A. J. Janssen pp 10626–10628 DOI: 10.1021/ja9616591

Carbon-13 Chemical Shift Tensors in Methyl Glycosides, Comparing Diffraction and Optimized Structures with Single-Crystal NMR Fang Liu, Cu G. Phung, D. W. Alderman, and David M. Grant pp 10629–10634 DOI: 10.1021/ja9617449

Are Cyclogallenes [M2(GaH)3] (M = Li, Na, K) Aromatic? Yaoming Xie, Peter R. Schreiner, Henry F. Schaefer III, Xiao-Wang Li, and Gregory H. Robinson pp 10635–10639 DOI: 10.1021/ja9616701 Supporting Info

Unimolecular Reaction Kinetics in the High-Pressure Limit without Collisions William D. Price, Paul D. Schnier, Rebecca A. Jockusch, Eric F. Strittmatter, and Evan R. Williams pp 10640–10644 DOI: 10.1021/ja961812r

Some Observations on the Structures of Liquid Alcohols and Their Heats of Vaporization Sidney W. Benson pp 10645–10649 DOI: 10.1021/ja962101w

Non Nucleic Acid Inhibitors of Protein·DNA Interactions Identified through Combinatorial Chemistry Shawn Y. Stevens, Barry A. Bunin, Matthew J. Plunkett, Patrick C. Swanson, Jonathan A. Ellman, and Gary D. Glick pp 10650–10651 DOI: 10.1021/ja962452a Supporting Info

Unusual Dynamics of Micellized Radical Pairs Generated from Photochemically Active Amphiphiles Malcolm D. E. Forbes, Gregory R. Schulz, and Nikolai I. Avdievich pp 10652–10653 DOI: 10.1021/ja960102i

Unusual 31P Chemical Shielding Tensors in Terminal Phosphido Complexes Containing a Phosphorus−Metal Triple Bond Gang Wu, David Rovnyak, Marc J. A. Johnson, Nadia C. Zanetti, Djamaladdin G. Musaev, Keiji Morokuma, Richard R. Schrock, Robert G. Griffin, and Christopher C. Cummins pp 10654–10655 DOI: 10.1021/ja960639w

Total Synthesis of (+)-RK-286c, (+)-MLR-52, (+)-Staurosporine, and (+)-K252a John L. Wood, Brian M. Stoltz, and Steven N. Goodman pp 10656–10657 DOI: 10.1021/ja9626143 Supporting Info

Highly Selective and Sensitive “Sugar Tweezer” Designed from a Boronic-Acid-Appended μ-Oxobis[porphinatoiron(III)] Masayuki Takeuchi, Tomoyuki Imada, and Seiji Shinkai pp 10658–10659 DOI: 10.1021/ja961480q

The Total Synthesis of a Natural Cardenolide:  (+)-Digitoxigenin Gilbert Stork, Fred West, Hee Yoon Lee, Richard C. A. Isaacs, and Shino Manabe pp 10660–10661 DOI: 10.1021/ja962163m Supporting Info

The Synthesis and Solubilization of Amide Macrocycles via Rotaxane Formation Andrew G. Johnston, David A. Leigh, Aden Murphy, John P. Smart, and Michael D. Deegan pp 10662–10663 DOI: 10.1021/ja962046r Supporting Info

Crystal-to-Crystal Solid-State Photochemistry:  Absolute Asymmetric β-Thiolactam Synthesis from an Achiral α,β-Unsaturated Thioamide Masami Sakamoto, Masaki Takahashi, Kenji Kamiya, Kentaro Yamaguchi, Tsutomu Fujita, and Shoji Watanabe pp 10664–10665 DOI: 10.1021/ja961878m Supporting Info

Selective Oxidation of Olefins within Organic Dye Cation-Exchanged Zeolites Xiaoyuan Li and V. Ramamurthy pp 10666–10667 DOI: 10.1021/ja9623727

Palladium-Catalyzed Intramolecular [3 + 2] Cycloadditions of Methylenecyclopropanes With Alkenes:  Diastereomeric Methylenecyclopropanes Exhibit Complementary Facial Selectivity Mark Lautens and Yi Ren pp 10668–10669 DOI: 10.1021/ja962148h Supporting Info

Free Radical Mediated Double Carbonylations of Alk-4-enyl Iodides Shinji Tsunoi, Ilhyong Ryu, Sumiaki Yamasaki, Hiroshi Fukushima, Minoru Tanaka, Mitsuo Komatsu, and Noboru Sonoda pp 10670–10671 DOI: 10.1021/ja962879h Supporting Info

An Efficient Protocol for the Synthesis of Unsymmetrical Pyrazines. Total Synthesis of Dihydrocephalostatin 11 Chuangxing Guo, Sudhakar Bhandaru, and P. L. FuchsMichael R. Boyd pp 10672–10673 DOI: 10.1021/ja962646q Supporting Info

Catalytic Transformations of Thiiranes by the W(CO)5 Grouping. A New Route to Cyclic Polydisulfides Richard D. Adams, Joachim A. Queisser, and John H. Yamamoto pp 10674–10675 DOI: 10.1021/ja960460l Supporting Info

Ring Opening in the Hydrostannation of Methylenecyclopropanes:  Effect of the Catalyst and Substrate Mark Lautens, Christophe Meyer, and Alexander Lorenz pp 10676–10677 DOI: 10.1021/ja962582j Supporting Info

Iron-Carbene Complexes. Scripts in Inorganic and Organometallic Chemistry J. Am. Chem. Soc. 1995, 117, 1673 Wolfgang Petz p 10678 DOI: 10.1021/ja965417c

Peptide and Protein Hormones:  Structure, Regulation, Activity. A Reference Manual J. Am. Chem. Soc. 1995, 117, 1673 Wolfgang Konig p 10678 DOI: 10.1021/ja9654239

Transition Metal Chemistry. The Valence Shell in d-Block Chemistry J. Am. Chem. Soc. 1995, 117, 7300 M. Gerloch and E. C. Constable p 10678 DOI: 10.1021/ja9654241

Resorcinol:  its uses and derivatives J. Am. Chem. Soc. 1995, 117, 7852 Hans Dressler p 10678 DOI: 10.1021/ja965425t

Encyclopedia of Spectroscopy J. Am. Chem. Soc. 1995, 117, 8298 Heinz-Helmut Perkampus p 10678 DOI: 10.1021/ja965426l

Structure Correlation, Volumes 1 and 2 J. Am. Chem. Soc. 1995, 117, 8492 H.-B. Burgi p 10678 DOI: 10.1021/ja965427d

Transport Theory of Inhomogenous Fluids J. Am. Chem. Soc. 1995, 117, 9382 Luidmila A. Pozhar p 10678 DOI: 10.1021/ja9654286

Roth Collection of Natural Products DataConcise Descriptions and Spectra J. Am. Chem. Soc. 1995, 117, 9382 Lutz Roth and Gabriele Rupp p 10678 DOI: 10.1021/ja965429y

Solvent Crazing of Polymers J. Am. Chem. Soc. 1995, 117, 9382 A. L. Volynskii and N. F. Bakeev p 10678 DOI: 10.1021/ja965430x

Industrial Color TestingFundamentals and Techniques J. Am. Chem. Soc. 1995, 117, 9618 Hans G. Volz p 10678 DOI: 10.1021/ja965431p

Perfect SymmetryThe Accidental Discovery of Buckminsterfullerene J. Am. Chem. Soc. 1995, 117, 9782 Jim Baggett p 10678 DOI: 10.1021/ja965432h

Exploring QSAR Fundamentals and Applications in Chemistry and Biology, Volume 1. Hydrophobic, Electronic and Steric Constants, Volume 2 J. Am. Chem. Soc. 1995, 117, 9782 David Hoekman p 10678 DOI: 10.1021/ja965433+

Understanding Polymer Morphology J. Am. Chem. Soc. 1995, 117, 10789 Arthur E. Woodward p 10678 DOI: 10.1021/ja9654342

An Introduction to Cosmochemistry J. Am. Chem. Soc. 1995, 117, 10789 C. R. Cowley p 10678 DOI: 10.1021/ja965435u

Membranes and Molecular Assemblies; The Synkinetic Approach J. Am. Chem. Soc. 1995, 117, 10790 Jurgen-Hinrich Fuhrhop and Jurgen Koning p 10678 DOI: 10.1021/ja965436m

Engineering Risk Analysis of Water Pollution, Probabilities and Fuzzy Sets J. Am. Chem. Soc. 1995, 117, 11042 Jacques G. Ganoulis p 10678 DOI: 10.1021/ja965437e

The Theory of Chemostat:  Dynamics of Microbial Competition J. Am. Chem. Soc. 1995, 117, 11616 Hal L. Smith and Paul Waltman p 10678 DOI: 10.1021/ja9654387

The Materials Science of Microelectronics J. Am. Chem. Soc. 1995, 117, 11617 Klaus J. Bachmann p 10678 DOI: 10.1021/ja965439z

Bioinorganic Chemistry:  Inorganic Elements in the Chemistry of Life J. Am. Chem. Soc. 1995, 117, 11618 Wolfgang Kaim and Brigette Schwedrski p 10678 DOI: 10.1021/ja965440y

Quality Assurance in Analytical Chemistry J. Am. Chem. Soc. 1995, 117, 12900 W. Funk, V. Dammann, and G. Donnevert p 10678 DOI: 10.1021/ja965441q

Polymers at Interfaces J. Am. Chem. Soc. 1996, 118, 297 G. J. Fleer, M. A. Cohen Stuart, andJ. M. H. M. Scheutjens p 10678 DOI: 10.1021/ja965442i

Admixtures in Crystallization J. Am. Chem. Soc. 1996, 118, 714 Jaroslav Nyvlt and Joachim Ulrich p 10678 DOI: 10.1021/ja965443a

The Logic of Chemical Synthesis J. Am. Chem. Soc. 1996, 118, 714 E. J. Corey and Xue-Min Cheng p 10678 DOI: 10.1021/ja9654443

Intermetallics J. Am. Chem. Soc. 1996, 118, 934 Gerhard Sauthoff p 10678 DOI: 10.1021/ja965445v

Pharmaceutical Design and Development. A Molecular Biology Approach J. Am. Chem. Soc. 1996, 118, 934 T. V. Ramabhadran p 10678 DOI: 10.1021/ja965446n

Excited States in Photochemistry of Organic Molecules J. Am. Chem. Soc. 1996, 118, 1815 Josef Michl p 10678 DOI: 10.1021/ja965447f

Electrochromism:  Fundamentals and Applications J. Am. Chem. Soc. 1996, 118, 1816 Paul S. Monk, Roger J. Mortimer, and David R. Rosseinsky p 10678 DOI: 10.1021/ja9654488

Free Radicals in Organic Chemistry J. Am. Chem. Soc. 1996, 118, 4226 Jacques Fossey, Daniel Lefort, and Janine Sorba p 10678 DOI: 10.1021/ja9654490

Tellurium-Containing Heterocycles, Volume 53 J. Am. Chem. Soc. 1996, 118, 5162 Michael R. Detty and Marie B. O'Regan p 10678 DOI: 10.1021/ja965450z

Issue 44

A DNA−Lipid Complex in Organic Media and Formation of an Aligned Cast Film1 Kentaro Tanaka and Yoshio Okahata pp 10679–10683 DOI: 10.1021/ja9617855

Specific Recognition of Substrate Analogs by the DNA Mismatch Repair Enzyme MutY Silvia L. Porello, Scott D. Williams, Heiko Kuhn, Mark L. Michaels, and Sheila S. David pp 10684–10692 DOI: 10.1021/ja9602206 Supporting Info

Molecular Anchoring of Duplex and Triplex DNA by Disubstituted Anthracene-9,10-diones:  Calorimetric, UV Melting, and Competition Dialysis Studies Ihtshamul Haq, John E. Ladbury, Babur Z. Chowdhry, and Terence C. Jenkins pp 10693–10701 DOI: 10.1021/ja961907t

Enantioselective Reductive Amination of α-Keto Acids to α-Amino Acids by a Pyridoxamine Cofactor in a Protein Cavity Hao Kuang, Matthew L. Brown, Ronald R. Davies, Eva C. Young, and Mark D. Distefano pp 10702–10706 DOI: 10.1021/ja954271z Supporting Info

Polydentate Amine and Ether Solvates of Lithium Hexamethyldisilazide (LiHMDS):  Relationship of Ligand Structure, Relative Solvation Energy, and Aggregation State Brett L. Lucht, Max P. Bernstein, Julius F. Remenar, and David B. Collum pp 10707–10718 DOI: 10.1021/ja9618199 Supporting Info

Simulation of Self-Reproducing Micelles Using a Lattice-Gas Automaton Peter V. Coveney, Andrew N. Emerton, and Bruce M. Boghosian pp 10719–10724 DOI: 10.1021/ja961236z

Collagen-Based Structures Containing the Peptoid Residue N-Isobutylglycine (Nleu). 6. Conformational Analysis of Gly-Pro-Nleu Sequences by 1H NMR, CD, and Molecular Modeling Giuseppe Melacini, Yangbo Feng, and Murray Goodman pp 10725–10732 DOI: 10.1021/ja9617193 Supporting Info

Synthesis and Biological Activities of New Conformationally Restricted Analogues of (−)-Indolactam-V:  Elucidation of the Biologically Active Conformation of the Tumor-Promoting Teleocidins Kazuhiro Irie, Tomomi Isaka, Yoriko Iwata, Yoshiaki Yanai, Yoshimasa Nakamura, Fumito Koizumi, Hajime Ohigashi, Paul A. Wender, Yoshiko Satomi, and Hoyoku Nishino pp 10733–10743 DOI: 10.1021/ja961727j Supporting Info

Deoxyadenosine and Thymidine Bases Held Proximal and Distal by Means of a Covalently-Linked Dimensional Analogue of dA·dT: Intramolecular vs Intermolecular Hydrogen Bonding1 Balkrishen Bhat, Nelson J. Leonard, Howard Robinson, and Andrew H.-J. Wang pp 10744–10751 DOI: 10.1021/ja9618255

Toluene Dioxygenase-Mediated cis-Dihydroxylation of Aromatics in Enantioselective Synthesis. Asymmetric Total Syntheses of Pancratistatin and 7-Deoxypancratistatin, Promising Antitumor Agents1 Tomas Hudlicky, Xinrong Tian, Kurt Königsberger, Rakesh Maurya, Jacques Rouden, and Boreas Fan pp 10752–10765 DOI: 10.1021/ja960596j Supporting Info

Total Synthesis of (+)-Xestoquinone Using an Asymmetric Palladium-Catalyzed Polyene Cyclization Shawn P. Maddaford, Neil G. Andersen, Walter A. Cristofoli, and Brian A. Keay pp 10766–10773 DOI: 10.1021/ja960807k Supporting Info

Asymmetric Synthesis of Highly Functionalized 8-Oxabicyclo[3.2.1]octene Derivatives Huw M. L. Davies, Gulzar Ahmed, and Melvyn Rowen Churchill pp 10774–10782 DOI: 10.1021/ja962081y Supporting Info

Cascade Radical Cyclizations via Biradicals Generated from (Z)-1,2,4-Heptatrien-6-ynes Kung K. Wang, Zhongguo Wang, Anna Tarli, and Peter Gannett pp 10783–10791 DOI: 10.1021/ja9622620 Supporting Info

Rhenium Dihydrogen Complexes with Isonitrile Coligands:  Novel Displacement of Chloride by Hydrogen D. M. Heinekey, Mark H. Voges, and David M. Barnhart pp 10792–10802 DOI: 10.1021/ja961994p Supporting Info

A 2-Pyridone Photo-[4 + 4] Approach to the Taxanes Scott McN. Sieburth, Jianhao Chen, Krishnamoorthy Ravindran, and Jian-long Chen pp 10803–10810 DOI: 10.1021/ja962207r Supporting Info

Identification of the Oxidized Products Formed upon Reaction of Chromium(V) with Thymidine Nucleotides Kent D. Sugden and Karen E. Wetterhahn pp 10811–10818 DOI: 10.1021/ja962428x

Solvent Effects on Homolytic Bond Dissociation Energies of Hydroxylic Acids Frederick G. Bordwell and Wei-Zhong Liu pp 10819–10823 DOI: 10.1021/ja961469q

Initiation Mechanisms for Radical Polymerization of Methyl Methacrylate with tert-Butyl Peroxypivalate Tomoyuki Nakamura, W. Ken Busfield, Ian D. Jenkins, Ezio Rizzardo, San H. Thang, and Shuji Suyama pp 10824–10828 DOI: 10.1021/ja962341b

Catalysis of Acyl Transfer from Amides to Thiolate Nucleophiles:  The Reaction of a Distorted Anilide with Thioglycolic Acid and Ethyl 2-Mercaptoacetate B. A. Kellogg, A. A. Neverov, Ahmed M. Aman, and R. S. Brown pp 10829–10837 DOI: 10.1021/ja961312y Supporting Info

Production of α-Siloxycarbenium Ions by Protonation of Photochemically Generated α-Siloxycarbenes. Formation Mechanism and Reactivities with Nucleophiles Wolfgang Kirmse, Michael Guth, and Steen Steenken pp 10838–10849 DOI: 10.1021/ja9603970

Multiple Bonds between Sn and S:  Synthesis and Structural Characterization of (CyNC(tBu)NCy)2SnS and [(CyNC(Me)NCy)2Sn(μ-S)]2 Yuanlin Zhou and Darrin S. Richeson pp 10850–10852 DOI: 10.1021/ja960350e Supporting Info

Steroid-Like Ring Skeletons by Cyclohexadiene Annulation to Enamines with Alkynylcarbene Complexes of Chromium and Tungsten via Pyran-2-ylidene Complexes Rudolf Aumann, Adam G. Meyer, and Roland Fröhlich pp 10853–10861 DOI: 10.1021/ja961020x Supporting Info

Experimental Evidence of Conformational Differences between C-Glycosides and O-Glycosides in Solution and in the Protein-Bound State:  The C-Lactose/O-Lactose Case Juan-Félix Espinosa, F. Javier Cañada, Juan Luis Asensio, Manuel Martín-Pastor, Hansjörg Dietrich, Manuel Martín-Lomas, Richard R. Schmidt, and Jesús Jiménez-Barbero pp 10862–10871 DOI: 10.1021/ja9603463 Supporting Info

Effect of Olefin Pyramidalization on the Proton Affinity of Tricyclo[3.3.3.03,7]undec-3(7)-ene as Determined by ab Initio Calculations and Kinetic Method Measurements Curtis D. Cleven, Steven H. Hoke II, R. Graham Cooks, David A. Hrovat, Joseph M. Smith, Ming-Shi Lee, and Weston Thatcher Borden pp 10872–10878 DOI: 10.1021/ja960776t Supporting Info

Excited State Behavior of Diarylethenes in the Subnanosecond Timescale:  The Role of an Upper Singlet G. G. Aloisi, F. Elisei, L. Latterini, U. Mazzucato, and M. A. J. Rodgers pp 10879–10887 DOI: 10.1021/ja961859c

Carbon Monoxide Hydrogenation:  Intermediates Derived from Methylene Probes Offering Dual Polymerization Pathways in Fischer−Tropsch Homologation Ruhksana Quyoum, Valerio Berdini, Michael L. Turner, Helen C. Long, and Peter M. Maitlis pp 10888–10889 DOI: 10.1021/ja961899g Supporting Info

Interaction of Olefins with Carbon Monoxide on Zeolite H-ZSM-5. NMR Observation of the Friedel−Crafts Acylation of Alkenes at Ambient Temperature Mikhail V. Luzgin, Vyacheslav N. Romannikov, Alexander G. Stepanov, and Kirill I. Zamaraev pp 10890–10891 DOI: 10.1021/ja9615381

Self-Ordering of Diblock Copolymers from Solution Z. Li, W. Zhao, Y. Liu, M. H. Rafailovich, and J. SokolovK. Khougaz, A. Eisenberg, and R. B. LennoxG. Krausch pp 10892–10893 DOI: 10.1021/ja961713d

Transition Metal-Catalyzed Silanone Generation Roman Goikhman, Michael Aizenberg, Linda J. W. Shimon, and David Milstein pp 10894–10895 DOI: 10.1021/ja9626087 Supporting Info

Triplex Tethered Oligonucleotide Probes Arikha C. Moses and Alanna Schepartz pp 10896–10897 DOI: 10.1021/ja961096t Supporting Info

Namenamicin, a New Enediyne Antitumor Antibiotic from the Marine Ascidian Polysyncraton lithostrotum Leonard A. McDonald, Todd L. Capson, Girija Krishnamurthy, Wei-Dong Ding, George A. Ellestad, Valerie S. Bernan, William M. Maiese, Piotr Lassota, Carolyn Discafani, Robert A. Kramer, and Chris M. Ireland pp 10898–10899 DOI: 10.1021/ja961122n Supporting Info

Stability of Carbon Nitride Materials at High Pressure and Temperature Andrew J. Stevens, Takaaki Koga, Carl B. Agee, Michael J. Aziz, and Charles M. Lieber pp 10900–10901 DOI: 10.1021/ja9625182

Dodecamethylcarba-closo-dodecaboranyl (CB11Me12•), a Stable Free Radical Benjamin T. King, Bruce C. Noll, Allan J. McKinley, and Josef Michl pp 10902–10903 DOI: 10.1021/ja9622160 Supporting Info

The Role of Iodotrimethylsilane in the Conjugate Addition of Butylcopper·Lithium Iodide to α-Enones; Silylation of an Intermediate π-Complex Magnus Eriksson, Anders Johansson, Martin Nilsson and Thomas Olsson pp 10904–10905 DOI: 10.1021/ja962122q Supporting Info

β-Silyl Organocuprates:  The Grail of Organocuprate Chemistry?1a Steven H. Bertz, Magnus Eriksson, Guobin Miao, and James P. Snyder pp 10906–10907 DOI: 10.1021/ja962559y Supporting Info

π-Stacking as a Control Element in the (2-PhInd)2Zr Elastomeric Polypropylene Catalyst M. A. Pietsch and A. K. Rappé pp 10908–10909 DOI: 10.1021/ja960293p Supporting Info

Multiple Reversible Protonations of the Adamantane-Shaped {Mn4O6}4+ Core:  Detection of Protonation Stereoisomers at the {Mn4O4(OH)2}6+ Level Christopher E. Dubé, David W. Wright, and William H. Armstrong pp 10910–10911 DOI: 10.1021/ja962067l Supporting Info

Facile Metathetical Exchange between Carbon Dioxide and the Divalent Group 14 Bisamides M[N(SiMe3)2]2 (M = Ge and Sn) Lawrence R. Sita, Jason R. Babcock, and Rimo Xi pp 10912–10913 DOI: 10.1021/ja962281+

A Monovalent Gallium Complex Supported by Tris(3,5-di-tert-butylpyrazolyl)hydroborato Ligation:  The Syntheses and Structures of [TpBut2]Ga and Its GaI3 Adduct, [TpBut2]Ga→GaI31 Matthew C. Kuchta, Jeffrey B. Bonanno, and Gerard Parkin pp 10914–10915 DOI: 10.1021/ja962698f Supporting Info

Crystal Structure of Cyclo(Adm-Cyst)3:  Example of a Topologically Defined Double-Helical Cystine Cyclic Peptide Isabella L. Karle, Darshan Ranganathan, and V. Haridas pp 10916–10917 DOI: 10.1021/ja961741w Supporting Info

Conformational Flexibility in Dodecasubstituted Porphyrins Daniel J. Nurco, Craig J. Medforth, Timothy P. Forsyth, Marilyn M. Olmstead, and Kevin M. Smith pp 10918–10919 DOI: 10.1021/ja962164e Supporting Info

Dioxygen Activation by a Copper(I) Complex of a New Tetradentate Tripodal Ligand:  Mechanistic Insights into Peroxodicopper Core Reactivity Jason A. Halfen, Victor G. Young, Jr., and William B. Tolman pp 10920–10921 DOI: 10.1021/ja962344o Supporting Info

Structure and Fluxional Behavior of cis-Bis(stannyl)bis(phosphine)platinum:  Oxidative Addition of Organodistannane to Platinum(0) Complex Yasushi Obora, Yasushi Tsuji, Kayo Nishiyama, Masahiro Ebihara, and Takashi Kawamura pp 10922–10923 DOI: 10.1021/ja9626392 Supporting Info

On the Mechanism of Asymmetric Nucleophilic Ring-Opening of Epoxides Catalyzed by (Salen)CrIII Complexes Karl B. Hansen, James L. Leighton, and Eric N. Jacobsen pp 10924–10925 DOI: 10.1021/ja962600x Supporting Info

Enantioselective Total Synthesis of Antifungal Agent Sch 38516 Zhongmin Xu, Charles W. Johannes, Sarri S. Salman, and Amir H. Hoveyda pp 10926–10927 DOI: 10.1021/ja9626603 Supporting Info

Collagen-Like Triple Helices Incorporating Peptoid Residues Murray Goodman, Giuseppe Melacini, and Yangbo Feng pp 10928–10929 DOI: 10.1021/ja961717i Supporting Info

Diastereoselective Intermolecular [4 + 3] Cycloadditions via an Extended Transition State:  A Route to Enantiomerically Enriched Cycloadducts Mark Lautens, Renee Aspiotis, and John Colucci pp 10930–10931 DOI: 10.1021/ja962460r Supporting Info

Resolution of a Molecular Trefoil Knot Gwénaël Rapenne, Christiane Dietrich-Buchecker, and Jean-Pierre Sauvage pp 10932–10933 DOI: 10.1021/ja961898o

Secondary Deuterium Kinetic Isotope Effects on the Isomerization of the Trimethylene Diradical to Cyclopropane John E. Baldwin, Teresa B. Freedman, Yukio Yamaguchi, and Henry F. Schaefer III pp 10934–10935 DOI: 10.1021/ja962083i Supporting Info

Catecholborane Bound to Titanocene. Unusual Coordination of Ligand σ-Bonds John F. Hartwig, Clare N. Muhoro, and Xiaoming HeOdile Eisenstein, Ramon Bosque, and Feliu Maseras pp 10936–10937 DOI: 10.1021/ja962086v Supporting Info

Direct Catalytic Enantioselective Reduction of Achiral α,β-Ynones. Strong Remote Steric Effects Across the C−C Triple Bond Christopher J. Helal, Plato A. Magriotis, and E. J. Corey pp 10938–10939 DOI: 10.1021/ja962849e Supporting Info

Quantum Mechanical Study of Aqueous Polarization Effects on Biological Macromolecules Darrin M. York, Tai-Sung Lee, and Weitao Yang pp 10940–10941 DOI: 10.1021/ja961937w

Pyrimidine Ring Opening in the Unimolecular Dediazoniation of Guanine Diazonium Ion. An Ab Initio Theoretical Study of the Mechanism of Nitrosative Guanosine Deamination Rainer Glaser and Man-Shick Son pp 10942–10943 DOI: 10.1021/ja961334k Supporting Info

In Situ Observation of Self-Assembled Monolayer Growth J. Am. Chem. Soc. 1996, 118, 7861−7862 J. T. Woodward and D. K. Schwartz p 10944 DOI: 10.1021/ja965421o

Cytochrome P450 Structure, Mechanism, and Biochemistry, 2nd ed Edited by Paul R. Oritz de Montellano (University of California, San Francisco). Plenum:  New York. 1995. xi + 631 pp. $125.00. ISBN 0-306-45141-7. Helen L. Henry p 10945 DOI: 10.1021/ja965506p

Antibody Expression and Engineering Edited by Henry Y. Wang (University of Michigan) and Tadayuki Imanada (Osaka University). ACS:  Washington, DC. 1995. xii + 154 pp. $54.95. ISBN 0-8412-3314-4. p 10945 DOI: 10.1021/ja9656006

Innovations in Supercritical Fluids:  Science and Technology Edited by Keith W. Hutchenson (DuPont Central Research & Development) and Neil R. Foster (University of New South Wales). ACS:  Washington, DC. 1995. x + 469 pp. $129.95. ISBN 0-8412-3324-1. p 10945 DOI: 10.1021/ja965606v

Green Chemistry:  Designing Chemistry for the Environment Edited by Paul T. Anastas and Tracy C. Williamson (U.S. Environmental Protection Agency). ACS:  Washington, DC. 1996. xii + 251 pp. $89.95. ISBN 0-8412-3399-3. p 10945 DOI: 10.1021/ja9656917

Nanotechnology:  Molecularly Designed Materials Edited by Gan-Moog Chow (Naval Research Laboratory) and Kenneth E. Gonsalves (University of Connecticut). ACS:  Washington, DC. 1996. ix + 413 pp. $114.95. ISBN 0-8412-3392-6. p 10945 DOI: 10.1021/ja965692z

Industrial Organic Chemicals By Harold A. Wittcoff (Chemical Systems, Inc.) and Bryan G. Reuben (South Bank University). Wiley:  New York. 1996. xxiv + 531 pp. $74.95. ISBN 0-471-54036-6. Robert C. Ahlert pp 10945–10946 DOI: 10.1021/ja965602q

Emerging Technologies in Hazardous Waste Management IV Edited by D. William Tedder (Georgia Institute of Technology) and Frederick G. Pohland (University of Pittsburgh). ACS: Washington, DC. 1994. 325 pp. $89.95. ISBN 0-8412-2857-4. p 10946 DOI: 10.1021/ja955388q

Laboratory Techniques in Electroanalytical Chemistry, 2nd Edition Edited by Peter T. Kissinger (Purdue University) and William R. Heineman (University of Cincinnati). Dekker:  Monticello, NY. 1996. xxii + 986 pp. $79. ISBN 0-8247-9445-1. David J. Chesney p 10946 DOI: 10.1021/ja965572r

Issue 45

Electron Transfer Photochemistry of Geraniol and (E,E)-Farnesol. A Novel “Tandem”, 1,5-Cyclization, Intramolecular Capture Hengxin Weng, Christopher Scarlata, and Heinz D. Roth pp 10947–10953 DOI: 10.1021/ja962206z Supporting Info

Electron Transfer Photochemistry of Chrysanthemol:  An Intramolecular SN2‘ Reaction of a Vinylcyclopropane Radical Cation Torsten Herbertz and Heinz D. Roth pp 10954–10962 DOI: 10.1021/ja953596c Supporting Info

Hydrolysis of Lipophilic Esters Catalyzed by a Zinc(II) Complex of a Long Alkyl-Pendant Macrocyclic Tetraamine in Micellar Solution Eiich Kimura, Hiroyuki Hashimoto, and Tohru Koike pp 10963–10970 DOI: 10.1021/ja961789+

Studies of Acyl-CoA Dehydrogenase Catalyzed Allylic Isomerization:  A One-Base or Two-Base Mechanism? Srikanth Dakoji, Injae Shin, Donald F. Becker, Marian T. Stankovich, and Hung-wen Liu pp 10971–10979 DOI: 10.1021/ja962532e

Fluorescent Cyclodextrins for Molecule Sensing:  Fluorescent Properties, NMR Characterization, and Inclusion Phenomena of N-Dansylleucine-Modified Cyclodextrins Hiroshi Ikeda, Michiei Nakamura, Nobuyuki Ise, Naomi Oguma, Asao Nakamura, Tsukasa Ikeda, Fujio Toda, and Akihiko Ueno pp 10980–10988 DOI: 10.1021/ja960183i

Molecular Dynamics Simulation of DNA Stretching Is Consistent with the Tension Observed for Extension and Strand Separation and Predicts a Novel Ladder Structure Michael W. Konrad and Joel I. Bolonick pp 10989–10994 DOI: 10.1021/ja961751x

DNA Guanine Adducts from 3-Methyl-1,2,3-oxadiazolinium Ions Richard N. Loeppky, Li Yu, Feng Gu, and Qiuping Ye pp 10995–11005 DOI: 10.1021/ja961828h Supporting Info

Triarylmethylium Cations Encapsulated within Zeolite Supercages María Luz Cano, Avelino Corma, Vicente Fornés, Hermenegildo García, Miguel A. Miranda, Christian Baerlocher, and Christian Lengauer pp 11006–11013 DOI: 10.1021/ja9603259 Supporting Info

Mechanism of Sulfoxide Formation through Reaction of Sulfur Radical Cation Complexes with Superoxide or Hydroxide Ion in Oxygenated Aqueous Solution Brian L. Miller, Todd D. Williams, and Christian Schöneich pp 11014–11025 DOI: 10.1021/ja962032l Supporting Info

Intramolecular Model for the Reductive Acyl Transfer Catalyzed by α-Keto Acid Dehydrogenases Chingfan C. Chiu, Alex Chung, Gabriel Barletta, and Frank Jordan pp 11026–11029 DOI: 10.1021/ja954322s

Total Synthesis of the Pentacyclopropane Antifungal Agent FR-900848 Anthony G. M. Barrett and Krista Kasdorf pp 11030–11037 DOI: 10.1021/ja960964j

A Critical Analysis of the Mechanistic Basis of Enantioselectivity in the Bis-Cinchona Alkaloid Catalyzed Dihydroxylation of Olefins E. J. Corey and Mark C. Noe pp 11038–11053 DOI: 10.1021/ja961233m Supporting Info

Syntheses of Discodermolides Useful for Investigating Microtubule Binding and Stabilization Deborah T. Hung, Jennie B. Nerenberg, and Stuart L. Schreiber pp 11054–11080 DOI: 10.1021/ja961374o Supporting Info

Kulolide:  A Cytotoxic Depsipeptide from a Cephalaspidean Mollusk, Philinopsis speciosa1 Michael T. Reese, Nanda K. Gulavita, Yoichi Nakao, Mark T. Hamann, Wesley Y. Yoshida, Stephen J. Coval, and Paul J. Scheuer pp 11081–11084 DOI: 10.1021/ja9620301 Supporting Info

Callipeltoside A:  A Cytotoxic Aminodeoxy Sugar-Containing Macrolide of a New Type from the Marine Lithistida Sponge Callipelta sp. Angela Zampella, M. Valeria D'Auria, Luigi Minale, Cécile Debitus, and Christos Roussakis pp 11085–11088 DOI: 10.1021/ja9621004 Supporting Info

Oxidation of Natural Targets by Dioxiranes. 4.1 High Stereo- and Regioselective Conversion of Vitamin D2 to Its (all-R) Tetraepoxide and C-25 Hydroxy Derivative Ruggero Curci, Antonia Detomaso, Maria E. Lattanzio, and Gene B. Carpenter pp 11089–11092 DOI: 10.1021/ja9626300 Supporting Info

Selective Monosaccharide Transport through Lipid Bilayers Using Boronic Acid Carriers Pamela R. Westmark, Stephen J. Gardiner, and Bradley D. Smith pp 11093–11100 DOI: 10.1021/ja961264h Supporting Info

Kinetic H/D/T Isotope and Solid State Effects on the Tautomerism of the Conjugate Porphyrin Monoanion Jürgen Braun, Reinhard Schwesinger, Philip G. Williams, Hiromi Morimoto, David E. Wemmer, and Hans-Heinrich Limbach pp 11101–11110 DOI: 10.1021/ja961313q Supporting Info

Dendritic Initiators for “Living” Radical Polymerizations:  A Versatile Approach to the Synthesis of Dendritic-Linear Block Copolymers Marc R. Leduc, Craig J. Hawker,, Julian Dao, and Jean M. J. Fréchet, pp 11111–11118 DOI: 10.1021/ja962159a

Me5C5Ni(acac):  A Monomeric, Paramagnetic, 18-Electron, Spin-Equilibrium Molecule Michael E. Smith and Richard A. Andersen pp 11119–11128 DOI: 10.1021/ja953873f Supporting Info

A New Class of Pyrochlore Solid Solution Formed by Chemical Intercalation of Oxygen James B. Thomson, A. Robert Armstrong, and Peter G. Bruce pp 11129–11133 DOI: 10.1021/ja961202r

Ether Complexes of Tungsten with Two Different Binding Modes:  An O-Bound Ether and an η2-(CC) Vinyl Ether. Evidence for CH···O Hydrogen Bonding of Vinylic CH Groups Jeong-Sup Song, David J. Szalda, and R. Morris Bullock pp 11134–11141 DOI: 10.1021/ja962193p Supporting Info

Adocobinamide, the Base-off Analog of Coenzyme B12 (Adocobalamin). 2.1 Probing the “Base-on” Effect in Coenzyme B12 via Cobalt−Carbon Bond Thermolysis Product and Kinetic Studies as a Function of Exogenous Pyridine Bases Cheryl D. Garr, Jeanne M. Sirovatka, and Richard G. Finke pp 11142–11154 DOI: 10.1021/ja954110v Supporting Info

Structure of the Ni Sites in Hydrogenases by X-ray Absorption Spectroscopy. Species Variation and the Effects of Redox Poise Zhijie Gu, Jun Dong, Christian B. Allan, Suranjan B. Choudhury, Ricardo Franco, José J. G. Moura, Isabel Moura, Jean LeGall, Alan E. Przybyla, W. Roseboom, Simon P. J. Albracht, Milton J. Axley, Robert A. Scott, and Michael J. Maroney pp 11155–11165 DOI: 10.1021/ja962429p Supporting Info

Soluble Synthetic Multiporphyrin Arrays. 1. Modular Design and Synthesis Richard W. Wagner, Thomas E. Johnson, and Jonathan S. Lindsey pp 11166–11180 DOI: 10.1021/ja961611n

Soluble Synthetic Multiporphyrin Arrays. 2. Photodynamics of Energy-Transfer Processes Jiunn-Shyong Hsiao, Brent P. Krueger, Richard W. Wagner, Thomas E. Johnson, John K. Delaney, David C. Mauzerall, Graham R. Fleming, Jonathan S. Lindsey, David F. Bocian, and Robert J. Donohoe pp 11181–11193 DOI: 10.1021/ja961612f

Soluble Synthetic Multiporphyrin Arrays. 3. Static Spectroscopic and Electrochemical Probes of Electronic Communication Jyoti Seth, Vaithianathan Palaniappan, Richard W. Wagner, Thomas E. Johnson, Jonathan S. Lindsey, and David F. Bocian pp 11194–11207 DOI: 10.1021/ja9616138

Molecular Origin of the Intrinsic Bending Force for Helical Morphology Observed in Chiral Amphiphilic Assemblies:  Concentration and Size Dependence Nilashis Nandi and Biman Bagchi pp 11208–11216 DOI: 10.1021/ja9533757 Supporting Info

Benzene Dimer:  A Good Model for π−π Interactions in Proteins? A Comparison between the Benzene and the Toluene Dimers in the Gas Phase and in an Aqueous Solution Christophe Chipot, Richard Jaffe, Bernard Maigret, David A. Pearlman, and Peter A. Kollman pp 11217–11224 DOI: 10.1021/ja961379l

Development and Testing of the OPLS All-Atom Force Field on Conformational Energetics and Properties of Organic Liquids William L. Jorgensen, David S. Maxwell, and Julian Tirado-Rives pp 11225–11236 DOI: 10.1021/ja9621760 Supporting Info

What Happens to Salt-Bridges in Nonaqueous Environments:  Insights from Quantum Mechanics Calculations Ya-Jun Zheng and Rick L. Ornstein pp 11237–11243 DOI: 10.1021/ja960041o

Intrinsic Ancillary Ligand Effects in Cationic Zirconium Polymerization Catalysts:  Gas-Phase Reactions of [L2ZrCH3]+ Cations with Alkenes David E. Richardson, N. George Alameddin, Matthew F. Ryan, Thomas Hayes, John R. Eyler, and Allen R. Siedle pp 11244–11253 DOI: 10.1021/ja9613872

Isolation and Characterization of Pr@C82 and Pr2@C80 Junqi Ding and Shihe Yang pp 11254–11257 DOI: 10.1021/ja961601m

Gas-Phase Identity SN2 Reactions of Halide Anions and Methyl Halides with Retention of Configuration Mikhail N. Glukhovtsev, Addy Pross, H. Bernhard Schlegel, Robert D. Bach, and Leo Radom pp 11258–11264 DOI: 10.1021/ja9620191 Supporting Info

Structural Characterization of the Phosphotyrosine Binding Region of a High-Affinity SH2 Domain−Phosphopeptide Complex by Molecular Dynamics Simulation and Chemical Shift Calculations Ming-Hsiang Feng, Marios Philippopoulos, Alexander D. MacKerell, Jr., and Carmay Lim pp 11265–11277 DOI: 10.1021/ja961530r

Detection of Intercatechol Cross-Links in Insect Cuticle by Solid-State Carbon-13 and Nitrogen-15 NMR Matthew E. Merritt, Allyson M. Christensen, Karl J. Kramer, Theodore L. Hopkins, and Jacob Schaefer pp 11278–11282 DOI: 10.1021/ja961621o

Ab Initio Characterization of the Isomerism between the μ-η2:η2-Peroxo- and Bis(μ-oxo)dicopper Cores Christopher J. Cramer, Bradley A. Smith, and William B. Tolman pp 11283–11287 DOI: 10.1021/ja962455n

Non-Hydrolytic Decay of Formyl Chloride into CO and HCl in Aqueous Solution Peter Dowideit, Ralf Mertens, and Clemens von Sonntag pp 11288–11292 DOI: 10.1021/ja962549x

Four Cubes and An Octahedron:  A Nickel-Sodium Supracage Assembly Euan K. Brechin, Robert O. Gould, Steven G. Harris, Simon Parsons, and Richard E. P. Winpenny pp 11293–11294 DOI: 10.1021/ja962356+ Supporting Info

Polypyrrole Growth on YBa2Cu3O7-δ Modified with a Self-Assembled Monolayer of N-(3-Aminopropyl)pyrrole:  Hardwiring the “Electroactive Hot Spots” on a Superconductor Electrode Rung-Kuang Lo, Jason E. Ritchie, Ji-Ping Zhou, Jianai Zhao, and John T. McDevittFeng Xu and Chad A. Mirkin pp 11295–11296 DOI: 10.1021/ja9610343 Supporting Info

Use of Aromatic Amino Acid Residues To Restrict the Dynamics in the Hydrophobic Core of a Designed Helix−Loop−Helix Dimer Gunnar T. Dolphin, Lars Brive, Gunnar Johansson, and Lars Baltzer pp 11297–11298 DOI: 10.1021/ja960534t Supporting Info

Protein Structure Alteration Induced by Light-Activated Water Absorption. A Study with Bacteriorhodopsin Itay Rousso, Mordechai Sheves, and Aaron Lewis pp 11299–11300 DOI: 10.1021/ja960404k

Kinetics of Inactivation of WT and C243S Mutant of Mycobacterium tuberculosis Enoyl Reductase by Activated Isoniazid Luiz A. Basso, Renjian Zheng, and John S. Blanchard pp 11301–11302 DOI: 10.1021/ja962035y

Evidence for Isoniazid Oxidation by Oxyferrous Mycobacterial Catalase−Peroxidase Richard S. Magliozzo and Jovita A. Marcinkeviciene pp 11303–11304 DOI: 10.1021/ja962047j

Force Constants of Molybdenum− and Tungsten−Pnictogen Triple Bonds Jane A. Johnson-Carr, Nadia C. Zanetti, Richard R. Schrock, and Michael D. Hopkins pp 11305–11306 DOI: 10.1021/ja961405f Supporting Info

(2,7-Dimethyl-1,8-biphenylenedioxy)bis(dimethylaluminum) as a Bidentate Lewis Acid:  Its Reactivity and Selectivity in Organic Synthesis Takashi Ooi, Makoto Takahashi, and Keiji Maruoka pp 11307–11308 DOI: 10.1021/ja962843p

Production and Isolation of Ca@C82 (I−IV) and Ca@C84 (I,II) Metallofullerenes Zhude Xu, Tomoyasu Nakane, and Hisanori Shinohara pp 11309–11310 DOI: 10.1021/ja962562h

Highly Enantioselective Epoxidation of trans-Stilbenes Catalyzed by Chiral Ketones Dan Yang, Xue-Chao Wang, Man-Kin Wong, Yiu-Chung Yip, and Man-Wai Tang pp 11311–11312 DOI: 10.1021/ja9626805 Supporting Info

Generation and Study of the Reactivity of α-Ammonium Distonic Radical Cations in Solution Luz Amalia Rios, William R. Dolbier, Jr., Rodrigo Paredes, Janusz Lusztyk, K. U. Ingold, and Mats Jonsson pp 11313–11314 DOI: 10.1021/ja9626547 Supporting Info

Enantioselective Photocyclization of 2-Arylthio-3-methylcyclohexen-1-ones to Dihydrobenzothiophene Derivatives in an Inclusion Crystal with an Optically Active Host Fumio Toda, Hisakazu Miyamoto, and Shiro KikuchiReiko Kuroda and Fuji Nagami pp 11315–11316 DOI: 10.1021/ja962481l Supporting Info

Biomimetic Modeling of the Decomposition of 2‘-Chloro-2‘-deoxynucleotides by Ribonucleotide Reductases To Give 3(2H)-Furanones Which Can Effect Mechanism-Based Inactivation by Michael-Type Alkylation1 Morris J. Robins, Zhiqiang Guo, Mirna C. Samano, and Stanislaw F. Wnuk pp 11317–11318 DOI: 10.1021/ja962118e Supporting Info

Ruthenium-Catalyzed Cyclizations of Dienylalkynes Via Vinylidene Intermediates Craig A. Merlic and Malinda E. Pauly pp 11319–11320 DOI: 10.1021/ja962684+ Supporting Info

Hydroxysulfinyl Radical and Sulfinic Acid Are Stable Species in the Gas Phase Aaron J. Frank, Martin Sadílek, Jordan G. Ferrier, and Frantiek Tureek pp 11321–11322 DOI: 10.1021/ja961922y

Enantioselective Synthesis of the Macrolide Antibiotic Oleandomycin Aglycon David A. Evans and Annette S. Kim pp 11323–11324 DOI: 10.1021/ja963002l Supporting Info

Energetics of Proton-Coupled Electron Transfer in High-Valent Mn2(μ-O)2 Systems:  Models for Water Oxidation by the Oxygen-Evolving Complex of Photosystem II Michael J. Baldwin and Vincent L. Pecoraro pp 11325–11326 DOI: 10.1021/ja9626906

Selective Polymerization of Double-Diene Lipid Assemblies:  a Novel Approach to Ladder-Like Polymers Warunee Srisiri, Thomas M. Sisson, and David F. O'Brien pp 11327–11328 DOI: 10.1021/ja961940f

High-Resolution Triple-Resonance NMR Spectroscopy of a Novel Calmodulin·Peptide Complex at Kilobar Pressures Jeffrey L. Urbauer, Mark R. Ehrhardt, Ramona J. Bieber, Peter F. Flynn, and A. Joshua Wand pp 11329–11330 DOI: 10.1021/ja962552g Supporting Info

n-Channel Organic Transistor Materials Based on Naphthalene Frameworks Joyce G. Laquindanum, Howard E. Katz, Ananth Dodabalapur, and Andrew J. Lovinger pp 11331–11332 DOI: 10.1021/ja962461j

Self-Assembly of a Polyrotaxane Containing a Cyclic “Bead” in Every Structural Unit in the Solid State:  Cucurbituril Molecules Threaded on a One-Dimensional Coordination Polymer Dongmok Whang, You-Moon Jeon, Jungseok Heo, and Kimoon Kim pp 11333–11334 DOI: 10.1021/ja961551l Supporting Info

Unconventional Bonding of Azafullerenes:  Theory and Experiment Wanda Andreoni, Alessandro Curioni, Károly Holczer, Kosmas Prassides, Majid Keshavarz-K., Jan-Cornelis Hummelen, and Fred Wudl pp 11335–11336 DOI: 10.1021/ja962279i Supporting Info

MathType 3.1 Design Science, Inc., 4028 Broadway, Long Beach, CA 90803. Tel:  (310) 433-0685. Fax:  (310) 433-6969. E-mail:  mtsales@mathtype.com. List price $199.00. Upgrades:  $29.95 (for registered 3.0 users), $49.95 (for registered 2.x and 1.x users). Charles L. Wilkins p 11337 DOI: 10.1021/ja9558608

Intramolecular Electrostatic Interactions Accelerate Hydrogen Exchange in Diketopiperazine Relative to 2-Piperidone J. Am. Chem. Soc. 1996, 118, 2694−2698 William R. Forsyth and Andrew D. Robertson p 11337 DOI: 10.1021/ja9654544

Structure of Crystals:  Modern Crystallography, 2nd Edition By B. K. Vainshtein, V. M. Fridkin, V. L. Indenbom (Institute of Crystallography, Moscow). Springer:  New York. 1995. xx + 520 pp. $79.00. ISBN 0-387-56848-4. Jon Clardy pp 11337–11338 DOI: 10.1021/ja965526r

Environmental Chemodynamics:  Movement of Chemicals in Air, Water and Soils, 2nd Edition By Louis J. Thibodeaux (Louisiana State University). Wiley:  New York. 1996. xx + 593 pp. $69.95. ISBN 0-471-61295-2. Theodore D. Goldfarb p 11338 DOI: 10.1021/ja965577o

Guidebook to the Small GTPases Edited by Marino Zerial (European Molecular Biology Laboratory) and Lukas A. Huber. Oxford University Press:  New York. 1995. xix + 476 pp. $65.00. ISBN 0-19-859944-7. Sarah F. Hamm-Alvarez p 11338 DOI: 10.1021/ja965633l

Polymers and Neutron Scattering. Oxford Series on Neutron Scattering in Condensed Matter No. 8 By Julia S. Higgins (Imperial College, London, U.K.) and Henri C. Benoit (Universite Louis Pasteur, Strasbourg, France). Oxford:  New York. 1994. xix + 436 pp. $98.00. ISBN 0-19-851003-9. Jeffrey T. Koberstein pp 11338–11339 DOI: 10.1021/ja9553415

Nonlinear Optical Materials:  Theory and Modeling Edited by Shashi P. Karna (U.S. Air Force Phillips Laboratory) and Alan T. Yeates (U.S. Air Force Wright Laboratory). ACS:  Washington, DC. 1996. xi + 249 pp. $89.95. ISBN 0-8412-3401-9. p 11339 DOI: 10.1021/ja965702w

Hydrogels and Biodegradable Polymers for Bioapplications Edited by Raphael M. Ottenbrite (Virginia Commonwealth University), Samuel J. Huang (University of Connecticut), and Kinan Park (Purdue University). ACS:  Washington, DC. 1996. x + 268 pp. $99.95. ISBN 0-8412-3400-0. p 11339 DOI: 10.1021/ja965703o

Irradiation of Polymers:  Fundamentals and Technological Applications Edited by Roger L. Clough (Sandia National Labs) and Shalaby W. Shalaby (Poly-Mid, Inc.). ACS:  Washington, DC. 1996. xiii + 433 pp. $109.95. ISBN 0-8412-3377-2. p 11339 DOI: 10.1021/ja965709d

Springer Series in Surface Sciences, Vol. 32:  Scanning Tunneling Microscopy and Its Applications By Chunli Bai (The Chinese Academy of Sciences). Springer:  New York. 1995. xii + 331 pp. ISBN 3-540-59346-2. $89.50. Dawn Bonnell pp 11339–11340 DOI: 10.1021/ja9655303

Enzyme Catalysis in Organic Synthesis:  A Comprehensive Handbook:  Vol. 1 Edited by K. Drauz (R&D Pharmaceuticals/Intermediates, Germany) and H. Waldmann (Universität Karlsruhe, Germany). VCH:  New York. 1995. xxv + 504 pp. DM498.00. ISBN 3-527-28479-6. Susan M. Miller p 11340 DOI: 10.1021/ja955380g

Advances in Molecular Modeling, Vol. 3 Edited by Dennis Liotta (Emory University). JAI Press:  Greenwich, CT. 1995. ix + 230 pp. $97.50. ISBN 1-55938-326-7. Josée Brisson p 11340 DOI: 10.1021/ja965629+

Issue 46

Nucleic Acid Related Compounds. 91. Biomimetic Reactions Are in Harmony with Loss of 2‘-Substituents as Free Radicals (Not Anions) during Mechanism-Based Inactivation of Ribonucleotide Reductases. Differential Interactions of Azide, Halogen, and Alkylthio Groups with Tributylstannane and Triphenylsilane1 Morris J. Robins, Stanislaw F. Wnuk, Amelia E. Hernández-Thirring, and Mirna C. Samano pp 11341–11348 DOI: 10.1021/ja962117m

Metallopeptide Design:  Tuning the Metal Cation Affinities with Unnatural Amino Acids and Peptide Secondary Structure Richard P. Cheng, Stewart L. Fisher, and Barbara Imperiali pp 11349–11356 DOI: 10.1021/ja9619723 Supporting Info

Identification of a More Potent Analogue of the Naturally Occurring Alkaloid Huperzine A. Predictive Molecular Modeling of Its Interaction with AChE Alan P. Kozikowski, Giuseppe Campiani, Li-Qiang Sun, Shaomeng Wang, Ashima Saxena, and Bhupendra P. Doctor pp 11357–11362 DOI: 10.1021/ja9622822

The Biosynthesis of Sulfomycin Elucidated by Isotopic Labeling Studies Gwendolyn D. Fate, Charles P. Benner, Stephen H. Grode, and Terry J. Gilbertson pp 11363–11368 DOI: 10.1021/ja961864g Supporting Info

Xenognosin Methylation Is Critical in Defining the Chemical Potential Gradient That Regulates the Spatial Distribution in Striga Pathogenesis Gwendolyn D. Fate and David G. Lynn pp 11369–11376 DOI: 10.1021/ja961395i

General Method for Preparation of Allenic Zinc Reagents by Three-Carbon Homologation of Triorganozincates:  Convergent Three-Component Coupling of Propargylic Substrates, Triorganozincates, and Electrophilic Reagents Toshiro Harada, Takeshi Katsuhira, Atsushi Osada, Katsuhiro Iwazaki, Keiji Maejima, and Akira Oku pp 11377–11390 DOI: 10.1021/ja962136w Supporting Info

Chiral Organolithium Complexes:  The Structure of β-Lithiated β-Phenylcarboxamides and the Mechanism of Asymmetric Substitution in the Presence of (−)-Sparteine Donald J. Gallagher, Hua Du, Scott A. Long, and Peter Beak pp 11391–11398 DOI: 10.1021/ja962430o Supporting Info

Flash Photolysis Observation of Aryl, 2,3-Dihydrocyclohexadienyl, and Halogen Anion Radicals in Aqueous Solution:  Photohomolytic Radical Cyclization of Aryl Halide1 Yong-Tae Park, Nam Woong Song, Young-Hee Kim, Chul-Gyun Hwang, Seong Keun Kim, and Dongho Kim pp 11399–11405 DOI: 10.1021/ja960470m

Photosensitized Oxidation of 5-Methyl-2‘-deoxycytidine by 2-Methyl-1,4-naphthoquinone:  Characterization of 5-(Hydroperoxymethyl)-2‘-deoxycytidine and Stable Methyl Group Oxidation Products Carine Bienvenu, J. Richard Wagner, and Jean Cadet pp 11406–11411 DOI: 10.1021/ja962073h Supporting Info

Photochemistry of Locally Excited and Intramolecular Charge Transfer States of (E)-4-Cyano-4‘-(pentamethyldisilanyl)stilbene Gui Liu, Ladislau Heisler, Lin Li, and Mark G. Steinmetz pp 11412–11422 DOI: 10.1021/ja962218k

Synthesis and Structural Studies of Subicosahedral Adjacent-Carbon Carboranes Joseph W. Bausch, Derek J. Matoka, Patrick J. Carroll, and Larry G. Sneddon pp 11423–11433 DOI: 10.1021/ja961112m Supporting Info

Mechanism for Nucleophilic Substitution and Elimination Reactions at Tertiary Carbon in Largely Aqueous Solutions:  Lifetime of a Simple Tertiary Carbocation Maria M. Toteva and John P. Richard pp 11434–11445 DOI: 10.1021/ja9617451 Supporting Info

Kinetics of Proton Transfer from 2-Nitro-4-X-phenylacetonitriles to Piperidine and Morpholine in Aqueous Me2SO. Solvent and Substituent Effects on Intrinsic Rate Constants. Transition State Imbalances Claude F. Bernasconi and Philip J. Wenzel pp 11446–11453 DOI: 10.1021/ja961837q Supporting Info

Differentiation of Isomers Resulting from Bisaddition to C60 Using 3He NMR Spectrometry R. James Cross, Hugo A. Jiménez-Vázquez, Qing Lu, Martin Saunders, David I. Schuster, Stephen R. Wilson, and Hong Zhao pp 11454–11459 DOI: 10.1021/ja961863o Supporting Info

Absolute Conformation and Substituent Effects on Chiroptical Properties of 9-(2-Halo-1,1-dimethylethyl)-11,12- bis(methoxycarbonyl)-9,10-dihydro-9,10-ethenoanthracenes1,2 Shinji Toyota, Tadashi Akinaga, Hiroharu Kojima, Michihiko Aki, and Michinori Ōki pp 11460–11466 DOI: 10.1021/ja961520q Supporting Info

Radical Crossover in Nitroxide Mediated “Living” Free Radical Polymerizations Craig J. Hawker, George G. Barclay, and Julian Dao pp 11467–11471 DOI: 10.1021/ja9624228

Intramolecular Aldol Condensations:  Rate and Equilibrium Constants J. Peter Guthrie and Junan Guo pp 11472–11487 DOI: 10.1021/ja954247l

Total Synthesis and Proof of Structure of a Human Breast Tumor (Globo-H) Antigen Tae Kyo Park, In Jong Kim, Shuanghua Hu, Mark T. Bilodeau, John T. Randolph, Ohyun Kwon, and Samuel J. Danishefsky pp 11488–11500 DOI: 10.1021/ja962048b Supporting Info

The Electronic Structure of CuA:  A Novel Mixed-Valence Dinuclear Copper Electron-Transfer Center J. A. Farrar, F. Neese, P. Lappalainen, P. M. H. Kroneck, M. Saraste, W. G. Zumft, and A. J. Thomson pp 11501–11514 DOI: 10.1021/ja9618715

Pulsed Laser Photolysis and Thermodynamics Studies of Intramolecular Electron Transfer in Valence Tautomeric Cobalt o-Quinone Complexes David M. Adams and David N. Hendrickson pp 11515–11528 DOI: 10.1021/ja9619566 Supporting Info

Zirconium(IV) Tetramer/Octamer Hydrolysis Equilibrium in Aqueous Hydrochloric Acid Solution A. Singhal, L. M. Toth, J. S. Lin, and K. Affholter pp 11529–11534 DOI: 10.1021/ja9602399 Supporting Info

Unusual Alkylaluminum Amides, Adducts, and Aluminates Containing Lithium Drew Rutherford and David A. Atwood pp 11535–11540 DOI: 10.1021/ja961244f Supporting Info

Effects of Bridgehead Metalloidal Substituents (MMe3, M = Si and Sn) on the Stability of the 1-Norbornyl Cation William Adcock, Christopher I. Clark, and Carl H. Schiesser pp 11541–11547 DOI: 10.1021/ja961870c

Ligand Stereochemistry of Metal Clusters Containing π-Bonded Ligands Pierluigi Mercandelli and Angelo Sironi pp 11548–11554 DOI: 10.1021/ja9620503 Supporting Info

Structural, Spectroscopic, and Theoretical Characterization of Bis(μ-oxo)dicopper Complexes, Novel Intermediates in Copper-Mediated Dioxygen Activation Samiran Mahapatra, Jason A. Halfen, Elizabeth C. Wilkinson, Gaofeng Pan, Xuedong Wang, Victor G. Young, Jr., Christopher J. Cramer, Lawrence Que, Jr., and William B. Tolman pp 11555–11574 DOI: 10.1021/ja962305c Supporting Info

Mechanistic Study of the Oxidative N-Dealkylation Reactions of Bis(μ-oxo)dicopper Complexes Samiran Mahapatra, Jason A. Halfen, and William B. Tolman pp 11575–11586 DOI: 10.1021/ja962304k

Reaction of 3-Dehydroshikimic Acid with Molecular Oxygen and Hydrogen Peroxide:  Products, Mechanism, and Associated Antioxidant Activity Jack E. Richman, Yu-Chen Chang, Spiros Kambourakis, K. M. Draths, Erick Almy, Kristi D. Snell, Gale M. Strasburg, and J. W. Frost pp 11587–11591 DOI: 10.1021/ja952317i

Potential Energy Surfaces for Proton Abstractions from Acetic Acid Mark S. Gordon, David R. Gano, and Eugene Curtiss pp 11592–11598 DOI: 10.1021/ja9538546

Reaction of Ethylene with Clean and Carbide-Modified Mo(110):  Converting Surface Reactivities of Molybdenum to Pt-Group Metals B. Frühberger and J. G. Chen pp 11599–11609 DOI: 10.1021/ja960656l

Photoinduced Electron- and Energy-Transfer Processes of Biacetyl Imprisoned in a Hemicarcerand A. Jorge Parola, Fernando Pina, Ester Ferreira, Mauro Maestri, and Vincenzo Balzani pp 11610–11616 DOI: 10.1021/ja962450q

Inductive and Conjugative S→C Polarizations in “Trithiocarbenium Ions” [C(SH)3]+ and [C(SH)3]•,2+. Potential Energy Surface Analysis, Electronic Structure Motif, and Spin Density Distribution Rainer Glaser, Godwin Sik-Cheung Choy, Grace Shiahuy Chen, and Hansjörg Grützmacher pp 11617–11628 DOI: 10.1021/ja960944h Supporting Info

Diffusion Filters for Separation of Solvent−Protein and Protein−Protein Nuclear Overhauser Effects (HYDRA) Gerhard Wider, Roland Riek, and Kurt Wüthrich pp 11629–11634 DOI: 10.1021/ja9607188

Onchidin B:  A New Cyclodepsipeptide from the Mollusc Onchidium sp. Rogelio Fernández, Jaime Rodríguez, Emilio Quiñoá, Ricardo Riguera, Luis Muñoz, Miryam Fernández-Suárez, and Cécile Debitus pp 11635–11643 DOI: 10.1021/ja961314i Supporting Info

Single-Crystal and Powder EPR Studies of the S = 1/2 Ground State of the Iron−Sulfur Core in [Tris(tetraethylammonium)][tetrakis(benzylthiolato)tetrakis(μ3-sulfido)tetrairon]· (N,N-Dimethylformamide) with Crystal Structure Determination Jocelyne Gloux, Pierre Gloux, and Jean Laugier pp 11644–11653 DOI: 10.1021/ja961396a Supporting Info

Antibody Catalyzed Terpenoid Cyclization Jens Hasserodt, Kim D. Janda, and Richard A. Lerner pp 11654–11655 DOI: 10.1021/ja954316w Supporting Info

The Structure of the Nonadiabatic Photochemical Trans → Cis Isomerization Channel in All-Trans Octatetraene Marco Garavelli, Paolo Celani, Naoko Yamamoto, Fernando Bernardi, Michael A. Robb, and Massimo Olivucci pp 11656–11657 DOI: 10.1021/ja961707h Supporting Info

The CuA Center of a Soluble Domain from Thermus Cytochrome ba3. An NMR Investigation of the Paramagnetic Protein Ivano Bertini, Kara L. Bren, Antonio Clemente, James A. Fee, Harry B. Gray, Claudio Luchinat, Bo G. Malmström, John H. Richards, Donita Sanders, and Claire E. Slutter pp 11658–11659 DOI: 10.1021/ja9621410 Supporting Info

Theory Does Not Support an Osmaoxetane Intermediate in the Osmium-Catalyzed Dihydroxylation of Olefins Stefan Dapprich, Gregori Ujaque, Feliu Maseras, Agustí Lledós, Djamaladdin G. Musaev, and Keiji Morokuma pp 11660–11661 DOI: 10.1021/ja9625992

Analysis of Single Mammalian Cell Lysates by Mass Spectrometry Liang Li, Rafael E. Golding, and Randy M. Whittal pp 11662–11663 DOI: 10.1021/ja9627499

Living Polymerization of α-Olefins Using NiII−α-Diimine Catalysts. Synthesis of New Block Polymers Based on α-Olefins Christopher M. Killian, Daniel J. Tempel, Lynda K. Johnson, and Maurice Brookhart pp 11664–11665 DOI: 10.1021/ja962516h Supporting Info

Samarium Iodide-Catalyzed Pinacol Coupling of Carbonyl Compounds Ryoji Nomura, Tatsuya Matsuno, and Takeshi Endo pp 11666–11667 DOI: 10.1021/ja962331a Supporting Info

Enantioselective Synthesis of α-Phosphono Sulfonate Squalene Synthase Inhibitors:  Chiral Recognition in the Interactions of an α-Phosphono Sulfonate Inhibitor with Squalene Synthase R. Michael Lawrence, Scott A. Biller, John K. Dickson, Jr., Janette V. H. Logan, David R. Magnin, Richard B. Sulsky, John D. DiMarco, Jack Z. Gougoutas, Barbara D. Beyer, Susan C. Taylor, Shih-Jung Lan, Carl P. Ciosek, Jr., Thomas W. Harrity, Kern G. Jolibois, Lori K. Kunselman, and Dorothy A. Slusarchyk pp 11668–11669 DOI: 10.1021/ja962505o Supporting Info

Homologation of α-Olefins with Ethene by a Neutral Zirconium Alkyl Complex Bart Hessen and Harry van der Heijden pp 11670–11671 DOI: 10.1021/ja962278q Supporting Info

Synthesis of (Vinylallene)rhodium(III) Complex of Planar Structure:  Perfect π → σ Conversion of 1,3-Diene System Masahiro Murakami, Kenichiro Itami, and Yoshihiko Ito pp 11672–11673 DOI: 10.1021/ja962486i Supporting Info

Addition of Alkynes and Alkenes to ReS4-:  Reactivity Akin to OsO4 Jonathan T. Goodman, Shinji Inomata, and Thomas B. Rauchfuss pp 11674–11675 DOI: 10.1021/ja962701v Supporting Info

An Edge-Over-Edge Zn(II) Bacteriochlorin Dimer Having an Unshifted Qy Band. The Importance of π-Overlap Jayasree Vasudevan, Robert T. Stibrany, Jean Bumby, Spencer Knapp, Joseph A. Potenza, Thomas J. Emge, and Harvey J. Schugar pp 11676–11677 DOI: 10.1021/ja9624376 Supporting Info

Selective Catalytic Oxidation of Substrates That Bind to Metalloporphyrin Enzyme Mimics Carrying Two or Four Cyclodextrin Groups and Related Metallosalens Ronald Breslow, Xiaojun Zhang, Ruo Xu, Milana Maletic, and Roland Merger pp 11678–11679 DOI: 10.1021/ja962295f Supporting Info

Is It [4 + 2] or [2 + 4]? A New Look at Lewis Acid Catalyzed Diels−Alder Reactions José I. García, José A. Mayoral, and Luis Salvatella pp 11680–11681 DOI: 10.1021/ja962767q Supporting Info

Synthesis and Isolation of One Isomer of C60H6 Mark S. Meier, Brad R. Weedon, and H. Peter Spielmann pp 11682–11683 DOI: 10.1021/ja961012g Supporting Info

Distinguishing between A Mitogenic and Two Closely Related Nonmitogenic Protein Kinases Xiongwei Yan and David S. LawrenceJackie D. Corbin and Sharron H. Francis pp 11684–11685 DOI: 10.1021/ja963129a

An Antibody-Catalyzed [2,3]-Elimination Reaction Seung Soo Yoon, Yoko Oei, Elizabeth Sweet, and Peter G. Schultz pp 11686–11687 DOI: 10.1021/ja962257w

Highly Enantioselective Catalytic Pauson−Khand Type Formation of Bicyclic Cyclopentenones Frederick A. Hicks and Stephen L. Buchwald pp 11688–11689 DOI: 10.1021/ja9630452 Supporting Info

Eu(fod)3-Catalyzed Rearrangement of Allylic Methoxyacetates Brian K. Shull, Takashi Sakai, and Masato Koreeda pp 11690–11691 DOI: 10.1021/ja962718d Supporting Info

Semiconductor Surfaces and Interfaces By Winfried Mönch (University of Duisburg, Germany). Springer:  New York. 1995. xv + 442 pp. $49.95. ISBN 3-540-58625-3. Sam O. Colgate p 11692 DOI: 10.1021/ja955374k

The Diverse Reactivity of Peroxy Ferric Porphyrin Complexes of Electron−Rich and Electron−Poor Porphyrins J. Am. Chem. Soc. 1996, 118, 2008 Matthias Selke, Marlene F. Sisemore, and Joan Selverstone Valentine p 11692 DOI: 10.1021/ja965452j

Access in Nanoporous Materials. Fundamental Materials Research Edited by Thomas J. Pinnavaia and M. F. Thorpe (Michigan State University). Plenum:  New York. 1995. xi + 441 pp. $125.00. ISBN 0-306-45218-9. Lorraine F. Francis pp 11692–11693 DOI: 10.1021/ja965674h

Progress in the Chemistry of Organic Natural Products, #63 Edited by W. Herz (Florida State University), G. W. Kirby (University of Glasgow), R. E. Moore (University of Hawaii), W. Steglich (University of Munich), and Ch. Tamm (University of Basel). Springer:  Wein. 1994. vi + 216 pp. DM198.00. ISBN 3-211-82443-X. p 11693 DOI: 10.1021/ja955213g

Advances in Atomic Spectroscopy, Volume 2 Edited by Joseph Sneddon (McNeese State University). JAI Press:  Greenwich, CT. 1995. x + 297 pp. $97.50. ISBN 1-555938-701-7. p 11693 DOI: 10.1021/ja9552252

Biofunctional Membranes Edited by D. Allan Butterfield (University of Kentucky). Plenum:  New York. 1996. xi + 294 pp. $89.50. ISBN 0-306-45281-2. p 11693 DOI: 10.1021/ja965678m

Theilheimer's Synthetic Methods of Organic Chemistry, Volume 50:  Yearbook 1996, with Cumulative Reaction Titles of Volumes 46−50 Edited by A. F. Finch (Cambridge). Karger:  Basel. 1996. xxviii + 512 pp. $848.25. ISBN 3-8055-6231-4. p 11693 DOI: 10.1021/ja9657014

Aroma Biotechnology By Ralf G. Berger (University of Hanover, Germany). Springer:  New York. 1995. x + 240 pp. $145.00. ISBN 3-540-58606-7. Thomas Skatrud and Fenjin He pp 11693–11694 DOI: 10.1021/ja9553720

Organic Syntheses, Volume 73 Edited by Robert K. Boeckman (University of Rochester). Wiley:  New York. 1996. xxxiv + 353 pp. $39.95. ISBN 0-471-14701-X. Philip Paul Garner p 11694 DOI: 10.1021/ja965574b

Progress in the Chemistry of Organic Natural Products, #64 Edited by W. Herz (Florida State University), G. W. Kirby (University of Glasgow), R. E. Moore (University of Hawaii), W. Steglich (University of Munich), and Ch. Tamm (University of Basel). Springer:  Wein. 1995. vi + 216 pp. DM225.00. ISBN 3-211-82533-9. p 11694 DOI: 10.1021/ja9656255

Advances in Strain in Organic Chemistry, Volume 5 Edited by Brian Halton (Victoria UniversityWellington). JAI Press:  Greenwich, CT. 1996. xi + 287 pp. $97.50. ISBN 0-7623-0075-2. Michael M. Haley p 11694 DOI: 10.1021/ja965663o

Issue 47

On Protein Denaturation in Aqueous−Organic Mixtures but Not in Pure Organic Solvents Kai Griebenow and Alexander M. Klibanov pp 11695–11700 DOI: 10.1021/ja961869d

Alteration of DNA Primary Structure by DNA Topoisomerase I. Isolation of the Covalent Topoisomerase I−DNA Binary Complex in Enzymatically Competent Form Kristine A. Henningfeld, Tuncer Arslan, and Sidney M. Hecht pp 11701–11714 DOI: 10.1021/ja961788h Supporting Info

Reactivity of a 2‘-Thio Nucleotide Analog Cathy L. Dantzman and Laura L. Kiessling pp 11715–11719 DOI: 10.1021/ja962265c Supporting Info

Copying Nature's Mechanism for the Decarboxylation of β-Keto Acids into Catalytic Antibodies by Reactive Immunization Robert Björnestedt, Guofu Zhong, Richard A. Lerner, and Carlos F. Barbas III pp 11720–11724 DOI: 10.1021/ja9620797

Mechanistic Studies on the Dual Reaction Pathways of Singlet Excited Dibenzoyl(methanato)boron Difluoride (DBMBF2):  Reactions of the Excimer and Exciplexes Yuan L. Chow, Shi-Sen Wang, Carl I. Johansson, and Zhong-Li Liu pp 11725–11732 DOI: 10.1021/ja9610444 Supporting Info

SMoG:  de Novo Design Method Based on Simple, Fast, and Accurate Free Energy Estimates. 1. Methodology and Supporting Evidence Robert S. DeWitte and Eugene I. Shakhnovich pp 11733–11744 DOI: 10.1021/ja960751u

How Important Are Quantum Mechanical Nuclear Motions in Enzyme Catalysis? Jenn-Kang Hwang and Arieh Warshel pp 11745–11751 DOI: 10.1021/ja962007f

Syntheses, Characterization, and Photophysics Studies of Photoactive Chromophore 2-Naphthyl-Labeled [n]-Ladderanes Weijin Li and Marye Anne Fox pp 11752–11758 DOI: 10.1021/ja961647f Supporting Info

Total Synthesis of the Serine-Threonine Phosphatase Inhibitor Microcystin-LA John M. Humphrey, James B. Aggen, and A. Richard Chamberlin pp 11759–11770 DOI: 10.1021/ja961683e

Linkage and Solvent Dependence of Photoinduced Electron Transfer in Zincporphyrin-C60 Dyads Hiroshi Imahori, Kiyoshi Hagiwara, Masanori Aoki, Tsuyoshi Akiyama, Seiji Taniguchi, Tadashi Okada, Masahiro Shirakawa, and Yoshiteru Sakata pp 11771–11782 DOI: 10.1021/ja9628415 Supporting Info

Catalytic Iron-Mediated [4 + 1] Cycloaddition of Diallenes with Carbon Monoxide Matthew S. Sigman and Bruce E. Eaton pp 11783–11788 DOI: 10.1021/ja962908o

Ca6LixAl23-x, Sr9Li7+xAl36-x, and Ba2Li3+xAl6-x:  New Ternary Intermetallic Compounds Linking Close-Packed Metal Structures and Zintl Phases Ulrich Häussermann, Michael Wörle, and Reinhard Nesper pp 11789–11797 DOI: 10.1021/ja961127k

Nitric Oxide Deligation from Nitrosyl Complexes of Two Transition Metal Porphyrins:  A Photokinetic Investigation Elisabeth A. Morlino and Michael A. J. Rodgers pp 11798–11804 DOI: 10.1021/ja962510s

Kinetics and Mechanism of Reversible Oxidative Addition of Hydrogen across the Metal−Metal Bond of (μ-H)2Ru3(CO)8(μ-P(t-Bu)2)2. Steric Promotion of Metal−Metal Bond Cleavage But a CO Dissociative Mechanism Fred J. Safarowic, David J. Bierdeman, and Jerome B. Keister pp 11805–11812 DOI: 10.1021/ja9628819 Supporting Info

Molecular Design and Crystal Engineering of a New Series of Inorganic Polymers Separated by Organic Spacers:  Structures of [(18C6)K][Cd(SCN)3] and [(18C6)2Na2(H2O)2]1/2[Cd(SCN)3] Hong Zhang, Ximin Wang, and Boon K. Teo pp 11813–11821 DOI: 10.1021/ja9605230 Supporting Info

Spin-Density Maps for an Oxamido-Bridged Mn(II)Cu(II) Binuclear Compound. Polarized Neutron Diffraction and Theoretical Studies Valery Baron, Béatrice Gillon, Olivier Plantevin, Alain Cousson, Corine Mathonière, Olivier Kahn, André Grand, Lars Öhrström, and Bernard Delley pp 11822–11830 DOI: 10.1021/ja961545p

Syntheses and Structures of Alkyl and Aryl Halide Complexes of the Type [(PiPr3)2PtH(η1-XR)]BArf and Analogues with Et2O, THF, and H2 Ligands. Halide-to-Metal π Bonding in Halocarbon Complexes Matthew D. Butts, Brian L. Scott, and Gregory J. Kubas pp 11831–11843 DOI: 10.1021/ja961836y Supporting Info

Polycubane Clusters:  Synthesis of [Fe4S4(PR3)4]1+,0 (R = But, Cy, Pri) and [Fe4S4]0 Core Aggregation upon Loss of Phosphine Christopher Goh, Brent M. Segal, Jiesheng Huang, Jeffrey R. Long, and R. H. Holm pp 11844–11853 DOI: 10.1021/ja9620200 Supporting Info

Exceptional Electronic Modulation of Porphyrins through meso-Arylethynyl Groups. Electronic Spectroscopy, Electronic Structure, and Electrochemistry of [5,15-Bis[(aryl)ethynyl]- 10,20-diphenylporphinato]zinc(II) Complexes. X-ray Crystal Structures of [5,15-Bis[(4‘-fluorophenyl)ethynyl]- 10,20-diphenylporphinato]zinc(II) and 5,15-Bis[(4‘-methoxyphenyl)ethynyl]-10,20-diphenylporphyrin Steven M. LeCours, Stephen G. DiMagno, and Michael J. Therien pp 11854–11864 DOI: 10.1021/ja962403y

o-, m-, and p-Benzyne Negative Ions in the Gas Phase:  Synthesis, Authentication, and Thermochemistry Paul G. Wenthold, Jun Hu, and Robert R. Squires pp 11865–11871 DOI: 10.1021/ja960663+

Theoretical Studies of o-, m-, and p-Benzyne Negative Ions John J. Nash and Robert R. Squires pp 11872–11883 DOI: 10.1021/ja9606642 Supporting Info

Li+, Na+, and K+ Binding to the DNA and RNA Nucleobases. Bond Energies and Attachment Sites from the Dissociation of Metal Ion-Bound Heterodimers Blas A. Cerda and Chrys Wesdemiotis pp 11884–11892 DOI: 10.1021/ja9613421

The Prototypical Organophosphorus Ylidion •CH2PH3+ Andreas Schweighofer, Phillip K. Chou, Kami K. Thoen, Vajira K. Nanayakkara, Helmut Keck, Wilhelm Kuchen, and Hilkka I. Kenttämaa pp 11893–11897 DOI: 10.1021/ja9616342

Observation of the Hammick Intermediate:  Reduction of the Pyridine-2-ylid Ion in the Gas Phase David Lavorato, Johan K. Terlouw, Thomas K. Dargel, Wolfram Koch, Graham A. McGibbon, and Helmut Schwarz pp 11898–11904 DOI: 10.1021/ja961954l

Study of Radical Merostabilization by Electrospray FTICR/MS Alan R. Katritzky, Petia A. Shipkova, Ming Qi, Daniel A. Nichols, Richard D. Burton, Clifford H. Watson, John R. Eyler, Toomas Tamm, Mati Karelson, and Michael C. Zerner pp 11905–11911 DOI: 10.1021/ja962027h

Interactions between Organized, Surface-Confined Monolayers and Vapor-Phase Probe Molecules. 11. Synthesis, Characterization, and Chemical Sensitivity of Self-Assembled Polydiacetylene/Calix[n]arene Bilayers Daniel L. Dermody, Richard M. Crooks, and Taisun Kim pp 11912–11917 DOI: 10.1021/ja961302x

Energetic and Structural Aspects of the Solvation of Anions in Liquid SO2 Wolfgang Eisfeld and Manfred Regitz pp 11918–11926 DOI: 10.1021/ja961398v Supporting Info

A Difference Infrared Study of Protein Structural Changes in the Photosynthetic Water-Oxidizing Complex Jacqueline J. Steenhuis and Bridgette A. Barry pp 11927–11932 DOI: 10.1021/ja961691v

Acidity of HCl in Neutral Buffered Chloroaluminate Molten Salts Dawn King, Robert Mantz, and Robert Osteryoung pp 11933–11938 DOI: 10.1021/ja961935b

The Structure of XeF6 and of Compounds Isoelectronic with It. A Challenge to Computational Chemistry and to the Qualitative Theory of the Chemical Bond M. Kaupp, Ch. van Wüllen, R. Franke, F. Schmitz, and W. Kutzelnigg pp 11939–11950 DOI: 10.1021/ja9621556 Supporting Info

Ionic Partition Diagrams:  A Potential−pH Representation Frédéric Reymond, Guillaume Steyaert, Pierre-Alain Carrupt, Bernard Testa, and Hubert Girault pp 11951–11957 DOI: 10.1021/ja962187t Supporting Info

Viscosity-Dependent Behavior of Geminate Caged-Pairs in Supercritical Fluid Solvent J. M. Tanko, N. Kamrudin Suleman, and Beth Fletcher pp 11958–11959 DOI: 10.1021/ja9624174 Supporting Info

Sonochemical Synthesis of Iron Colloids Kenneth S. Suslick, Mingming Fang, and Taeghwan Hyeon pp 11960–11961 DOI: 10.1021/ja961807n

Facile Preparation of Face Differentiated, Chiral 15-Metallacrown-5 Complexes Ann J. Stemmler, Almut Barwinski, Michael J. Baldwin, Victor Young, and Vincent L. Pecoraro pp 11962–11963 DOI: 10.1021/ja9622968 Supporting Info

Allylic Amination of Cyclohexene Catalyzed by Ruthenium Complexes. A New Reaction Involving an Intermolecular C−H Functionalization Sergio Cenini, Fabio Ragaini, Stefano Tollari, and Daniele Paone pp 11964–11965 DOI: 10.1021/ja9541589 Supporting Info

(η5-C5H5)(CO)2MoGeC6H3-2,6-Mes2:  A Transition-Metal Germylyne Complex Richard S. Simons and Philip P. Power pp 11966–11967 DOI: 10.1021/ja963132u Supporting Info

A Single Droplet Formation from Swelled Micelles by Radiation Pressure of a Focused Infrared Laser Beam Jun-ichi Hotta, Keiji Sasaki, and Hiroshi Masuhara pp 11968–11969 DOI: 10.1021/ja9617350

Tandem Asymmetric Transformations:  An Asymmetric 1,2-Migration from a Higher Order Zincate Coupled with a Stereoselective Homoaldol Reaction J. Christopher McWilliams, Joseph D. Armstrong, III, Nan Zheng, M. Bhupathy, R. P. Volante, and Paul J. Reider pp 11970–11971 DOI: 10.1021/ja962123i Supporting Info

Temperature Independent Ru → Os Electronic Energy Transfer in a Rodlike Dinuclear Complex with a 2.4 nm Intermetal Separation Leif Hammarström, Francesco Barigelletti, Lucia Flamigni, Nicola Armaroli, Angelique Sour, Jean-Paul Collin, and Jean-Pierre Sauvage pp 11972–11973 DOI: 10.1021/ja962333v

Silole Derivatives as Efficient Electron Transporting Materials Kohei Tamao, Manabu Uchida, Takenori Izumizawa, Kenji Furukawa, and Shigehiro Yamaguchi pp 11974–11975 DOI: 10.1021/ja962829c Supporting Info

Preparation and Characterization of Mercury and Silver Derivatives of an Engineered Purple Copper Center in Azurin Michael T. Hay, Richard M. Milberg, and Yi Lu pp 11976–11977 DOI: 10.1021/ja962280h

1,3,2-Diazaphosphinines:  New, Versatile Precursors of 1,2-Azaphosphinines and Polyfunctional Phosphinines Narcis Avarvari, Pascal Le Floch, and François Mathey pp 11978–11979 DOI: 10.1021/ja962736v Supporting Info

Redox Control of the Ring-Gliding Motion in a Cu-Complexed Catenane:  A Process Involving Three Distinct Geometries Diego J. Cárdenas, Aude Livoreil, and Jean-Pierre Sauvage pp 11980–11981 DOI: 10.1021/ja962774e

A New Strategy for Stereocontrol of Cation−Olefin Cyclization. The First Chemical Emulation of the A/B-trans-9,10-syn-Folding Pathway of Steroid Biosynthesis from 2,3-Oxidosqualene E. J. Corey and Harold B. Wood, Jr. pp 11982–11983 DOI: 10.1021/ja9632926 Supporting Info

Photoassistance in Reactions of the cis- (Bis(2,2‘-bipyridyl))(carbonyl)(formyl)ruthenium(II) Cation with Protic Reagents Dorothy H. Gibson, Yan Ding, Bradley A. Sleadd, Jaime O. Franco, John F. Richardson, and Mark S. Mashuta pp 11984–11985 DOI: 10.1021/ja962168j Supporting Info

Alkenylation of C−H Bonds via Reaction with Vinyl and Dienyl Triflones. Stereospecific Synthesis of Trisubstituted Vinyl Triflones via Organocopper Addition to Acetylenic Triflones1 Jason Xiang and P. L. Fuchs pp 11986–11987 DOI: 10.1021/ja962790b Supporting Info

A New Class of Zirconocene Catalysts for the Syndiospecific Polymerization of Propylene and Its Modification for Varying Polypropylene from Isotactic to Syndiotactic Timothy A. Herzog, Deanna L. Zubris, and John E. Bercaw pp 11988–11989 DOI: 10.1021/ja962413z Supporting Info

Direct Asymmetric Entry into the Cytotoxic 8,9-Secokaurene Diterpenoids. Total Synthesis of (−)-O-Methylshikoccin and (+)-O-(Methylepoxy)shikoccin Leo A. Paquette, Dirk Backhaus, and Ralf Braun pp 11990–11991 DOI: 10.1021/ja962799d Supporting Info

Flow and Transport in Porous Media and Fractured Rock. From Classical Models to Modern Approaches By Muhammad Sahimi (University of Southern California). VCH:  New York. 1995. xiv + 482 pp. $65.00. ISBN:  3-527-29260-8. Karsten ThompsonH. Scott Fogler p 11992 DOI: 10.1021/ja955197n

Organocopper Reagents, A Practical Approach Edited by Richard J. K. Taylor (University of York, U.K.). Oxford University Press:  New York. 1995. xii + 362 pp. $39.95. ISBN 0-19-855758-2. Martin Hulce p 11992 DOI: 10.1021/ja955317r

Issue 48

Design, Synthesis, and Analysis of Disulfide Cross-Linked DNA Duplexes Scott E. Osborne, Jens Völker, Shawn Y. Stevens, Kenneth J. Breslauer, and Gary D. Glick pp 11993–12003 DOI: 10.1021/ja962386c

Toward a Mechanism-Based Fluorescent Assay for Site-Specific Recombinases and Topoisomerases:  Assay Design and Syntheses of Fluorescent Substrates Gagan Panigrahi, Bao-ping Zhao, Jiri J. Krepinsky, and Paul D. Sadowski pp 12004–12011 DOI: 10.1021/ja9612920

Self-Assembly of [n]Rotaxanes Bearing Dendritic Stoppers David B. Amabilino, Peter R. Ashton, Vincenzo Balzani, Christopher L. Brown, Alberto Credi, Jean M. J. Fréchet, Jeffrey W. Leon, Françisco M. Raymo, Neil Spencer, J. Fraser Stoddart, and Margherita Venturi pp 12012–12020 DOI: 10.1021/ja962113h Supporting Info

New NMR Spectroscopic Probe of the Absolute Stereoselectivity for Metal-Hydride and Metal-Alkyl Additions to the Carbon−Carbon Double Bond. Demonstration with a Single-Component, Isospecific Ziegler−Natta α-Olefin Polymerization Catalyst James H. Gilchrist and John E. Bercaw pp 12021–12028 DOI: 10.1021/ja962869g

Crystal Structures of Secondary Arenedicarboxamides. An Investigation of Arene−Hydrogen Bonding Relationships in the Solid State Frederick D. Lewis, Jye-Shane Yang, and Charlotte L. Stern pp 12029–12037 DOI: 10.1021/ja962986b Supporting Info

The Effect of a Peptide Helix Macrodipole on the pKa of an Asp Side Chain Carboxylate Hemant V. Joshi and Mark S. Meier pp 12038–12044 DOI: 10.1021/ja960592e Supporting Info

Dihydropyridines in Organometallic Synthesis. Formation of Pyridine and Dihydropyridine-Stabilized Alkylidene Complexes of Tungsten(0) and Chromium(0) from Fischer Carbene Complexes:  Structure and Reactivity Henri Rudler, Max Audouin, Andrée Parlier, Blanca Martin-Vaca, Régis Goumont, Thomas Durand-Réville, and Jacqueline Vaissermann pp 12045–12058 DOI: 10.1021/ja9622057 Supporting Info

Generation of Chirality in a Two-Component Molecular Crystal of Acridine and Diphenylacetic Acid and Its Absolute Asymmetric Photodecarboxylating Condensation Hideko Koshima, Kuiling Ding, Yosuke Chisaka, and Teruo Matsuura pp 12059–12065 DOI: 10.1021/ja961106q Supporting Info

Detection and Characterization of a Transient Zwitterion, the 9-Carboxylate-9-fluorenyl Cation, and Its Conjugate Acid1 C. S. Q. Lew, B. D. Wagner, Mark P. Angelini, E. Lee-Ruff, J. Lusztyk, and L. J. Johnston pp 12066–12073 DOI: 10.1021/ja962066t

Synthesis of the C2-Symmetric, Macrocyclic Alkaloid, (+)-Xestospongin A and Its C(9)-Epimer, (−)-Xestospongin C:  Impact of Substrate Rigidity and Reaction Conditions on the Efficiency of the Macrocyclic Dimerization Reaction Thomas R. Hoye, Zhixiong Ye, Letitia J. Yao, and Jeffrey T. North pp 12074–12081 DOI: 10.1021/ja962671w Supporting Info

A Unified Strategy for the Synthesis of Phenanthroizidine Alkaloids:  Preparation of Sterically Congested Pyridines Marco A. Ciufolini and Frank Roschangar pp 12082–12089 DOI: 10.1021/ja962757p Supporting Info

A Study of the Electronic and Geometric Structure of Colloidal Ti0·0.5THF R. Franke, J. Rothe, J. Pollmann, J. Hormes, H. Bönnemann, W. Brijoux, and Th. Hindenburg pp 12090–12097 DOI: 10.1021/ja953525d

Synthesis and Structure of NaGaSn2. A Zintl Phase with a Helical Framework Structure J. T. Vaughey and John D. Corbett pp 12098–12103 DOI: 10.1021/ja961975f Supporting Info

Unusual Chemical Behavior for Potassium under Pressure:  Potassium−Silver Compounds T. Atou, M. Hasegawa, L. J. Parker, and J. V. Badding pp 12104–12108 DOI: 10.1021/ja9627003

π-Acid Ligands in Iron(III) Porphyrinates. Characterization of Low-Spin Bis(tert-butylisocyanide)(porphyrinato)iron(III) Complexes Having (dxz,dyz)4(dxy)1 Ground States F. Ann Walker, Habib Nasri, Ilona Turowska-Tyrk, K. Mohanrao, C. Todd Watson, Nikolai V. Shokhirev, Peter G. Debrunner, and W. Robert Scheidt pp 12109–12118 DOI: 10.1021/ja961971a Supporting Info

Phenyl-to-Oxo Migration in an Electrophilic Rhenium(VII) Dioxo Complex Seth N. Brown and James M. Mayer pp 12119–12133 DOI: 10.1021/ja962087n Supporting Info

Dihydride Complexes of the Cobalt and Iron Group Metals:  An Investigation of Structure and Dynamic Behavior D. M. Heinekey and Mirjam van Roon pp 12134–12140 DOI: 10.1021/ja962702n

A W-Band Electron Nuclear Double Resonance Study of Single Crystals of 14N and 15N Azurin J. W. A. Coremans, O. G. Poluektov, E. J. J. Groenen, G. W. Canters, H. Nar, and A. Messerschmidt pp 12141–12153 DOI: 10.1021/ja962076u

CH3+ Is the Most Trivial Carbocation, but Are Its Heavier Congeners Just Lookalikes? Jürgen Kapp, Peter R. Schreiner, and Paul v. R. Schleyer pp 12154–12158 DOI: 10.1021/ja962275d

Why Do Cationic Carbon Monoxide Complexes Have High C−O Stretching Force Constants and Short C−O Bonds? Electrostatic Effects, Not σ-Bonding Alan S. Goldman and Karsten Krogh-Jespersen pp 12159–12166 DOI: 10.1021/ja960876z

Toward an Understanding of the Hydrolysis of Mg−PPi. An ab Initio Study of the Isomerization Reactions of Neutral and Anionic Mg−Pyrophosphate Complexes Humberto Saint-Martin, Luis E. Ruiz-Vicent, Alejandro Ramírez-Solís, and Iván Ortega-Blake pp 12167–12173 DOI: 10.1021/ja960930b Supporting Info

An ab Initio Hartree−Fock Study of the Cubic and Tetragonal Phases of Bulk Tungsten Trioxide Furio Corà, Atul Patel, Nicholas M. Harrison, Roberto Dovesi, and C. Richard A. Catlow pp 12174–12182 DOI: 10.1021/ja961514u

A “Lithium-Bonded” Cyclopropyl Edge:  The X-ray Crystal Structure of [Li−O−C(Me)−(c-CHCH2CH2)2]6 and Computational Studies Bernd Goldfuss, Paul von Ragué Schleyer, and Frank Hampel pp 12183–12189 DOI: 10.1021/ja9618661 Supporting Info

Theoretical Study of the Electronic Spectroscopy of Peptides. 1. The Peptidic Bond:  Primary, Secondary, and Tertiary Amides Luis Serrano-Andrés and Markus P. Fülscher pp 12190–12199 DOI: 10.1021/ja961996+ Supporting Info

Theoretical Study of the Electronic Spectroscopy of Peptides. 2. Glycine and N-Acetylglycine Luis Serrano-Andrés and Markus P. Fülscher pp 12200–12206 DOI: 10.1021/ja9619972 Supporting Info

Geometry of the Phosphate Group and Its Interactions with Metal Cations in Crystals and ab Initio Calculations Bohdan Schneider, Martin Kabelá, and Pavel Hobza pp 12207–12217 DOI: 10.1021/ja9621152 Supporting Info

α-Lithiation of N-(tert-Butoxycarbonyl)-N-(p- methoxyphenyl)allylamines Mediated by (−)-Sparteine:  Enantioselective Syntheses of Either Enantiomer of 3-Substituted Enecarbamates Gerald A. Weisenburger and Peter Beak pp 12218–12219 DOI: 10.1021/ja962793o Supporting Info

Second-Harmonic Generation by Spontaneous Self-Poling of Supramolecular Thin Films of an Amylose−Dye Inclusion Complex Oh-Kil Kim, Ling-Siu Choi, He-Yi Zhang, Xue-Hua He, and Yan-Hua Shih pp 12220–12221 DOI: 10.1021/ja961890e

Photomodulated Blocking of Gramicidin Ion Channels Linda Lien, Dominic C. J. Jaikaran, Zhihua Zhang, and G. Andrew Woolley pp 12222–12223 DOI: 10.1021/ja962217s Supporting Info

Long-Range Dipolar Couplings in Liquid Crystals Measured by Three-Dimensional NMR Spectroscopy Stefano Caldarelli, Anne Lesage, and Lyndon Emsley pp 12224–12225 DOI: 10.1021/ja9623931

[Co(en)3]CoSb4S8:  A Novel Non-Centrosymmetric Lamellar Heterometallic Sulfide with Large-Framework Holes Hans-Oscar Stephan and Mercouri G. Kanatzidis pp 12226–12227 DOI: 10.1021/ja9628664 Supporting Info

Novel Stable Silenes via a Sila-Peterson-type Reaction. Molecular Structure and Reactivity Yitzhak Apeloig, Michael Bendikov, Michael Yuzefovich, Moshe Nakash, and Dmitry Bravo-ZhivotovskiiDieter Bläser and Roland Boese pp 12228–12229 DOI: 10.1021/ja962844h Supporting Info

Polymers Composed of Triangular Repeating Units. Pd2+-Catalyzed Addition Polymerizations of 3,3-Dialkylcyclopropenes Stephen Rush, Annette Reinmuth, and Wilhelm RisseJohn O'BrienDino R. Ferro and Incoronata Tritto pp 12230–12231 DOI: 10.1021/ja961192u Supporting Info

1-Manxyl:  A Persistent Tertiary Alkyl Radical that Disproportionates via ε-Hydrogen Abstraction Liliana Crciun and James E. Jackson pp 12232–12233 DOI: 10.1021/ja961136t Supporting Info

For Short Alanine-Lysine Peptides the Helical Propensities of Lysine Residues (s Values) Are Strongly Temperature Dependent Peter Renold, Kwok Yin Tsang, Linda S. Shimizu, and D. S. Kemp pp 12234–12235 DOI: 10.1021/ja961646n

Trapping and LC−MS Identification of Protein Radicals Formed in the Horse Heart Metmyoglobin−H2O2 Reaction Craig W. Fenwick and Ann M. English pp 12236–12237 DOI: 10.1021/ja962764d

Novel Tantalum Chalcogenide Halides:  The First Ta3 Clusters in the Solid State Mark D. Smith and Gordon J. Miller pp 12238–12239 DOI: 10.1021/ja962263s Supporting Info

On the Superacidity of Sulfated Zirconia Catalysts for Low-Temperature Isomerization of Butane Jose E. Tabora and Robert J. Davis pp 12240–12241 DOI: 10.1021/ja9631460

Retention of Thiol Protons in Two Classes of Protein Zinc Ion Coordination Centers Daniele Fabris, Joseph Zaia, Yetrib Hathout, and Catherine Fenselau pp 12242–12243 DOI: 10.1021/ja962863r Supporting Info

Theoretical Prediction of 2,4,6-Trinitro-1,3,5-triazine (TNTA). A New, Powerful, High-Energy Density Material? Anatoli A. Korkin and Rodney J. Bartlett pp 12244–12245 DOI: 10.1021/ja962744b

Solid Phase Synthesis of Olefin and Hydroxyethylene Peptidomimetics David P. Rotella pp 12246–12247 DOI: 10.1021/ja962290i Supporting Info

Anionic Cyclizations of Chiral 2,3-Dihydro-4-pyridones:  A Five-Step, Asymmetric Synthesis of Indolizidine 209D Daniel L. Comins and Yue-mei Zhang pp 12248–12249 DOI: 10.1021/ja9626446 Supporting Info

Quantitative Solid-State NMR Spectra of CO Adsorbed from Aqueous Solution onto a Commercial Electrode Mark S. Yahnke, Benjamin M. Rush, Jeffrey A. Reimer, and Elton J. Cairns pp 12250–12251 DOI: 10.1021/ja962803l

Polymerization Process Modeling By Neil A. Dotson (Eastman Chemical Company), Rafael Galvan (Dow Chemical Company), Robert L. Laurence (University of Massachusetts), and Matthew Tirrell (University of Minnesota). VCH:  New York. 1996. xvi + 371 pp. $79.95. ISBN 1-56081-693-7. F. Joseph Schork p 12252 DOI: 10.1021/ja955397z

Generation by Electron Transfer of an Emitting State Not Observed by Photoexcitation in a Linked Ru(bpy)32+−Methyl Viologen J. Am. Chem. Soc. 1996, 118, 3656−3660 Xiaohong Xu, Kevin Shreder, Brent L. Iverson, and Allen J. Bard p 12252 DOI: 10.1021/ja965455w

The Presence of Water in the Common CeCl3/RLi Alkylation System  J. Am. Chem. Soc. 1996, 118, 4581−4584 William J. Evans, Jay D. Feldman, and Joseph W. Ziller p 12252 DOI: 10.1021/ja965456o

Infrared Spectroscopic Characterization of Cyanocuprates J. Am. Chem. Soc. 1996, 118, 8808−8816 Hui Huang, Khris Alvarez, Qiang Cui, Terence M. Barnhart, James P. Snyder, and James E. Penner-Hahn p 12252 DOI: 10.1021/ja965457g

Issue 49

Electrostatic Acceleration of Enolization in Cationic Ketones John B. Tobin and Perry A. Frey pp 12253–12260 DOI: 10.1021/ja950573p

Inductive Effects on the Energetics of Prolyl Peptide Bond Isomerization:  Implications for Collagen Folding and Stability Eric S. Eberhardt, Nicholas Panasik, Jr., and Ronald T. Raines pp 12261–12266 DOI: 10.1021/ja9623119

Syntheses, Structures, and Transannular π−π Interactions of Multibridged [3n]Cyclophanes1 Youichi Sakamoto, Naomi Miyoshi, Mihoko Hirakida, Shirou Kusumoto, Haruo Kawase, Jerzy M. Rudzinski, and Teruo Shinmyozu pp 12267–12275 DOI: 10.1021/ja961944k Supporting Info

Anisotropic Solvent Structuring in Aqueous Sugar Solutions Qiang Liu and J. W. Brady pp 12276–12286 DOI: 10.1021/ja962108d

Bound Water Molecules at the Interface between the HIV-1 Protease and a Potent Inhibitor, KNI-272, Determined by NMR Yun-Xing Wang, Darón I. Freedberg, Paul T. Wingfield, Stephen J. Stahl, Joshua D. Kaufman, Yoshiaki Kiso, T. Narayana Bhat, John W. Erickson, and Dennis A. Torchia pp 12287–12290 DOI: 10.1021/ja962612i Supporting Info

Crystal Structures and Properties of Nylon Polymers from Theory Siddharth Dasgupta, Willis B. Hammond, and William A. Goddard III pp 12291–12301 DOI: 10.1021/ja944125d Supporting Info

Adsorption of Methanol on Brønsted Acid Sites in Zeolite H-ZSM-5 Investigated by Multinuclear Solid-State NMR Spectroscopy Michael Hunger and Thomas Horvath pp 12302–12308 DOI: 10.1021/ja962425k

Crystal Structure of the Anticancer Drug Cisplatin Bound to Duplex DNA Patricia M. Takahara, Christin A. Frederick, and Stephen J. Lippard pp 12309–12321 DOI: 10.1021/ja9625079 Supporting Info

Sapphyrin−Oligonucleotide Conjugates. Novel Sequence-Specific DNA Photomodifying Agents with Increased Binding Affinity Jonathan L. Sessler, Petra I. Sansom, Vladimír Král, Donald O'Connor, and Brent L. Iverson pp 12322–12330 DOI: 10.1021/ja961672l Supporting Info

Carbocations in the β-Lactam and β-Thiolactam Series Xavier Creary, Chen Zhu, and Ziqi Jiang pp 12331–12338 DOI: 10.1021/ja9624329

Photoinduced Hydrogen Abstraction from Phenols by Aromatic Ketones. A New Mechanism for Hydrogen Abstraction by Carbonyl n,π* and π,π* Triplets William J. Leigh, Edward C. Lathioor, and Michael J. St. Pierre pp 12339–12348 DOI: 10.1021/ja961973v Supporting Info

Nozaki−Hiyama−Kishi Reactions Catalytic in Chromium Alois Fürstner and Nongyuan Shi pp 12349–12357 DOI: 10.1021/ja9625236

Total Synthesis and Assignment of Configuration of Lissoclinamide 7 Peter Wipf and Paul C. Fritch pp 12358–12367 DOI: 10.1021/ja962859f Supporting Info

Fluorescently-Labeled Ferrichrome Analogs as Probes for Receptor-Mediated, Microbial Iron Uptake Haim Weizman, Orly Ardon, Brenda Mester, Jacqueline Libman, Oren Dwir, Yitzhak Hadar, Yona Chen, and Abraham Shanzer pp 12368–12375 DOI: 10.1021/ja9610646

Exchange and Double-Exchange Phenomena in Linear Homo- and Heterotrinuclear Nickel(II,III,IV) Complexes Containing Six μ2-Phenolato or μ2-Thiophenolato Bridging Ligands Thomas Beissel, Frank Birkelbach, Eckhard Bill, Thorsten Glaser, Frank Kesting, Carsten Krebs, Thomas Weyhermüller, Karl Wieghardt, Christian Butzlaff, and Alfred X. Trautwein pp 12376–12390 DOI: 10.1021/ja961305+ Supporting Info

Spectroscopic Characterization of the Tungsten and Iron Centers in Aldehyde Ferredoxin Oxidoreductases from Two Hyperthermophilic Archaea Brian P. Koehler, Swarnalatha Mukund, Richard C. Conover, Ish K. Dhawan, Roopali Roy, Michael W. W. Adams, and Michael K. Johnson pp 12391–12405 DOI: 10.1021/ja962197u Supporting Info

A Room Temperature Direct Metal Insertion into a Nonstrained Carbon−Carbon Bond in Solution. C−C vs C−H Bond Activation Boris Rybtchinski, Arkadi Vigalok, Yehoshoa Ben-David, and David Milstein pp 12406–12415 DOI: 10.1021/ja962253r Supporting Info

Selective Oxidation of the Alkyl Ligand in Rhenium(V) Oxo Complexes Darin D. DuMez and James M. Mayer pp 12416–12423 DOI: 10.1021/ja962426c Supporting Info

Electron Photodetachment Spectroscopy of Solvated Anions:  RO·HF- or ROH·F-? Jennifer E. Mihalick, Geo G. Gatev, and John I. Brauman pp 12424–12431 DOI: 10.1021/ja954202k

Generation and Chemistry of Fluorinated Acetoxyl and Oxyallyl Biradical Anions (Distonic Radical Anions) in the Gas Phase Meili Zhong, Michael L. Chabinyc, and John I. Brauman pp 12432–12436 DOI: 10.1021/ja960832q

Determination of Ion−Solvent Equilibria in the Gas Phase. Hydration of Diprotonated Diamines and Bis(trimethylammonium) Alkanes Arthur T. Blades, John S. Klassen, and Paul Kebarle pp 12437–12442 DOI: 10.1021/ja962641t

The Important Role of Heteroaromatics in the Design of Efficient Second-Order Nonlinear Optical Molecules:  Theoretical Investigation on Push−Pull Heteroaromatic Stilbenes Pushkara Rao Varanasi, Alex K.-Y. Jen, J. Chandrasekhar, I. N. N. Namboothiri, and A. Rathna pp 12443–12448 DOI: 10.1021/ja960136q

A Wonderful Bond That Wasn't There:  Reformulation of a Compound “Containing a Ta−Ta Bond without Bridging Ligands” as [(Cy2N)2ClTa(μ-H)]2 F. Albert Cotton, Lee M. Daniels, Carlos A. Murillo, and Xiaoping Wang pp 12449–12450 DOI: 10.1021/ja9629165 Supporting Info

Organo-Lewis Acids As Cocatalysts in Cationic Metallocene Polymerization Catalysis. Unusual Characteristics of Sterically Encumbered Tris(perfluorobiphenyl)borane You-Xian Chen, Charlotte L. Stern, Shengtian Yang, and Tobin J. Marks pp 12451–12452 DOI: 10.1021/ja962315d Supporting Info

A Catalytic System for Ethylene Polymerization Based on Group III and Lanthanide Complexes of Tris(pyrazolyl)borate Ligands David P. Long and Patricia A. Bianconi pp 12453–12454 DOI: 10.1021/ja962169b Supporting Info

Experimental and Theoretical Evidence for Oxirane Formation Reaction of Pentacoordinate 1,2λ6-Oxathietanes with Retention of Configuration Takayuki Kawashima, Fumihiko Ohno, Renji Okazaki, Hirotaka Ikeda, and Satoshi Inagaki pp 12455–12456 DOI: 10.1021/ja9629975 Supporting Info

Use of 13C−13C NOE for the Assignment of NMR Lines of Larger Labeled Proteins at Larger Magnetic Fields Mark W. F. Fischer, Lei Zeng, and Erik R. P. Zuiderweg pp 12457–12458 DOI: 10.1021/ja962200+ Supporting Info

Indigodiimine:  A Highly Fluxional Molecule that Tautomerizes via Double Proton Transfers John D. Thoburn, Wolfgang Lüttke, Claudia Benedict, and Hans-Heinrich Limbach pp 12459–12460 DOI: 10.1021/ja962515p

A Low-Temperature Solution Phase Route for the Synthesis of Silicon Nanoclusters Richard A. Bley and Susan M. Kauzlarich pp 12461–12462 DOI: 10.1021/ja962787s

Total Synthesis of Tryprostatin B:  Generation of a Nucleophilic Prenylating Species from a Prenylstannane Kristopher M. Depew, Samuel J. Danishefsky, Neal Rosen, and Laura Sepp-Lorenzino pp 12463–12464 DOI: 10.1021/ja962954o Supporting Info

Enhancing Effect of Fe2O3 on the Ability of Nanocrystalline Calcium Oxide to Adsorb SO2 Shawn Decker and Kenneth J. Klabunde pp 12465–12466 DOI: 10.1021/ja962371e

A Metalated Guanine,Cytosine Base Quartet with a Novel GC Pairing Pattern Involving H(5) of C Susanne Metzger and Bernhard Lippert pp 12467–12468 DOI: 10.1021/ja962738f Supporting Info

Axially Chiral Spirosilanes via Catalytic Asymmetric Intramolecular Hydrosilation Kohei Tamao, Kazunori Nakamura, Hiroyuki Ishii, Shigehiro Yamaguchi, and Motoo Shiro pp 12469–12470 DOI: 10.1021/ja962754c Supporting Info

Binding of Neutral Substrates by Calix[4]pyrroles William E. Allen, Philip A. Gale, Christopher T. Brown, Vincent M. Lynch, and Jonathan L. Sessler pp 12471–12472 DOI: 10.1021/ja9632217 Supporting Info

Novel Construction of Highly-Substituted Xanthones Lijun Sun and Lanny S. Liebeskind pp 12473–12474 DOI: 10.1021/ja962920g Supporting Info

Double-Stereodifferentiating Crotylation Reactions with Chiral (E)-Crotylsilanes. Evaluation of a New Approach for the Synthesis of Polypropionate-Derived Natural Products Nareshkumar F. Jain, Norito Takenaka, and James S. Panek pp 12475–12476 DOI: 10.1021/ja962877x Supporting Info

Molecular Control of Solid-State Reactivity and Biradical Formation from Crystalline Ketones Thomas Choi, Krisztina Peterfy, Saeed I. Khan, and Miguel A. Garcia-Garibay pp 12477–12478 DOI: 10.1021/ja9624782 Supporting Info

Crystallographic and Computational Insight on the Mechanism of Zinc-Ion-Dependent Inactivation of Carboxypeptidase A by 2-Benzyl-3-iodopropanoate Irina Massova, Philip Martin, Srini de Mel, Yasuhiro Tanaka, Brian Edwards, and Shahriar Mobashery pp 12479–12480 DOI: 10.1021/ja963234k

Highly Branched, High Molecular Weight Polystannane from Dibutylstannane via a Novel Dehydropolymerization/Rearrangement Process Jason R. Babcock and Lawrence R. Sita pp 12481–12482 DOI: 10.1021/ja963237x Supporting Info

First Catalytic Enantioselective Proton Abstraction Using Chiral Alkoxides Morad Amadji, Jérôme Vadecard, Jean-Christophe Plaquevent, Lucette Duhamel, and Pierre Duhamel pp 12483–12484 DOI: 10.1021/ja960816t Supporting Info

Measurement of Equilibrium Constants for Complex Formation between Phenol and Hydrogen-Bond Acceptors by Kinetic Laser Flash Photolysis J. Am. Chem. Soc. 1996, 118, 6790−6791 J. T. Banks, K. U. Ingold, and J. Lusztyk p 12485 DOI: 10.1021/ja965453b

NMR and Its Applications to Living Systems. Second Edition By David G. Gadian (Institute of Child Health, London). Oxford University Press:  New York. 1995. viii + 283 pp. $39.95. ISBN 0-19-855281-5. Robert E. London p 12485 DOI: 10.1021/ja965648j

Biohazardous Waste:  Risk Assessment, Policy, and Management By Wayne L. Turnberg (University of Washington). Wiley:  New York. 1996. xiv + 422 pp. $74.95. ISBN 0-471-59421-0. Robert C. Ahlert pp 12485–12486 DOI: 10.1021/ja965632t

Free Radicals in Organic Chemistry By Jacques Fossey, Daniel Lefort, and Janine Sorba (CRNS). Wiley:  New York. 1995. xvi + 307 pp. $39.95. ISBN 0-471-95496-9. Edward L. Clennan p 12486 DOI: 10.1021/ja965567n

Issue 50

Redox-Triggered Secondary Structure Changes in the Aggregated States of a Designed Methionine-Rich Peptide Heather L. Schenck, Gregory P. Dado, and Samuel H. Gellman pp 12487–12494 DOI: 10.1021/ja962026p

Solvent-Accelerated Decarboxylation of N-Carboxy-2-imidazolidinone. Implications for Stability of Intermediates in Biotin-Dependent Carboxylations Jubrail Rahil, Shaochun You, and Ronald Kluger pp 12495–12498 DOI: 10.1021/ja962464w

Photoinduced Electron Transfer in Eosin-Modified Co(II)-Protoporphyrin IX Reconstituted Myoglobin and α- or β-Hemoglobin Subunits:  Photocatalytic Transformations by the Reconstituted Photoenzymes1 Eran Zahavy and Itamar Willner pp 12499–12514 DOI: 10.1021/ja9608712 Supporting Info

Self-Assembling Amphiphiles for Construction of Protein Molecular Architecture Ying-Ching Yu, Peter Berndt, Matthew Tirrell, and Gregg B. Fields pp 12515–12520 DOI: 10.1021/ja9627656

A New Class of Pentacoordinate Ribonuclease Inhibitors:  Synthesis, Characterization, and Inhibition Studies of Ribonucleoside and Anhydropentofuranose Oxorhenium(V) Complexes Paul Wentworth, Jr., Torsten Wiemann, and Kim D. Janda pp 12521–12527 DOI: 10.1021/ja9611248

Stereoselective Radical Carbon−Carbon Bond Forming Reactions of β-Alkoxy Esters:  Atom and Group Transfer Allylations under Bidentate Chelation Controlled Conditions Y. Guindon, B. Guérin, C. Chabot, and W. Ogilvie pp 12528–12535 DOI: 10.1021/ja9541241 Supporting Info

Salt Effects on Solvolysis Reactions of p-Nitrophenyl Alkanoates Catalyzed by 4-(Dialkylamino)pyridine- Functionalized Polymer in Buffered Water and Aqueous Methanol Solutions Guang-Jia Wang, Donghao Ye, and Wilmer K. Fife pp 12536–12540 DOI: 10.1021/ja961505l

Vinylcyclobutanols:  A Composite Functional Group? Barry M. Trost and Deborah W. C. Chen pp 12541–12554 DOI: 10.1021/ja9624432 Supporting Info

a(E)-1-Methoxy-1,3-butadiene and 1,1-Dimethoxy-1,3-butadiene in (4 + 2) Cycloadditions. A Mechanistic Comparison Reiner Sustmann, Surajin Tappanchai, and Heinz Bandmann pp 12555–12561 DOI: 10.1021/ja961390l Supporting Info

Influence of Reactant Polarity on the Course of (4 + 2) Cycloadditions Reiner Sustmann and Willi Sicking pp 12562–12571 DOI: 10.1021/ja961391d Supporting Info

The First Unequivocal Evidence of the Reacting Electrophile in Aromatic Acylation Reactions1 Franz Effenberger, Joachim K. Eberhard, and Andreas H. Maier pp 12572–12579 DOI: 10.1021/ja9624331

Stereoelectronic Effects in the Nucleophilic Addition to the sp-Hybridized Carbon of a Ketene and Vinyl Cation:  When Is a Mesityl Effectively Smaller than a Phenyl Ring?1 Hiroshi Yamataka, Oleg Aleksiuk, Silvio E. Biali, and Zvi Rappoport pp 12580–12587 DOI: 10.1021/ja962573a Supporting Info

Reactions and Reactivity of Acyloxycarbenes Robert A. Moss, Song Xue, Weiguo Liu, and Karsten Krogh-Jespersen pp 12588–12597 DOI: 10.1021/ja9626244

Reactivity of Carbenes and Ketenes in Low-Temperature Matrices. Carbene CO Trapping, Wolff Rearrangement, and Ketene−Pyridine Ylide (Zwitterion) Observation Peter Visser, Ralf Zuhse, Ming Wah Wong, and Curt Wentrup pp 12598–12602 DOI: 10.1021/ja962672o Supporting Info

How Does Organic Structure Determine Organic Reactivity? Nucleophilic Substitution and Alkene-Forming Elimination Reactions of α-Carbonyl and α-Thiocarbonyl Substituted Benzyl Derivatives John P. Richard, Shrong-Shi Lin, Jeanne M. Buccigross, and Tina L. Amyes pp 12603–12613 DOI: 10.1021/ja9629064 Supporting Info

Predicting the Relative Stabilities of Multiparticle Hydrogen-Bonded Aggregates Based on the Number of Hydrogen Bonds and the Number of Particles and Measuring These Stabilities with Titrations Using Dimethyl Sulfoxide Mathai Mammen, Eric E. Simanek, and George M. Whitesides pp 12614–12623 DOI: 10.1021/ja962768i

EPR Spectroscopic Studies of the Reactions of Cr(VI) with l-Ascorbic Acid, l-Dehydroascorbic Acid, and 5,6-O-Isopropylidene-l-ascorbic Acid in Water.1 Implications for Chromium(VI) Genotoxicity Lianbo Zhang and Peter A. Lay pp 12624–12637 DOI: 10.1021/ja961824c Supporting Info

Assignment of Protoheme Resonance Raman Spectrum by Heme Labeling in Myoglobin Songzhou Hu, Kevin M. Smith, and Thomas G. Spiro pp 12638–12646 DOI: 10.1021/ja962239e

Synthesis and Characterization of Bis(2,2‘-bipyridyl)platinum(I):  A Novel Microtubular Linear-Chain Complex Roger Palmans, D. Brent MacQueen, Cortlandt G. Pierpont, and Arthur J. Frank pp 12647–12653 DOI: 10.1021/ja962491m Supporting Info

EXAFS Investigation of Inner- and Outer-Sphere Chloroaquo Complexes of Cr3+ in Aqueous Solutions Sofía Díaz-Moreno, Adela Muñoz-Páez, José M. Martínez, Rafael R. Pappalardo, and Enrique Sánchez Marcos pp 12654–12664 DOI: 10.1021/ja9608149

Catalytic Cycle of a Divanadium Complex with Salen Ligands in O2 Reduction:  Two-Electron Redox Process of the Dinuclear Center (salen = N,N‘-Ethylenebis(salicylideneamine)) Kimihisa Yamamoto, Kenichi Oyaizu, and Eishun Tsuchida pp 12665–12672 DOI: 10.1021/ja9617799 Supporting Info

Low Symmetry in P(NR2)3 Skeletons and Related Fragments:  An Inherent Phenomenon Norbert W. Mitzel, Bruce A. Smart, Karl-Heinz Dreihäupl, David W. H. Rankin, and Hubert Schmidbaur pp 12673–12682 DOI: 10.1021/ja9621861 Supporting Info

Linear Oligo(ferrocenyldimethylsilanes) with between Two and Nine Ferrocene Units:  Electrochemical and Structural Models for Poly(ferrocenylsilane) High Polymers Ron Rulkens, Alan J. Lough, Ian Manners, Sherri R. Lovelace, Casey Grant, and William E. Geiger pp 12683–12695 DOI: 10.1021/ja962470s Supporting Info

A Novel Biomimetic Zinc(II)−Fluorophore, Dansylamidoethyl−Pendant Macrocyclic Tetraamine 1,4,7,10-Tetraazacyclododecane (Cyclen) Tohru Koike, Tomohiko Watanabe, Shin Aoki, Eiichi Kimura, and Motoo Shiro pp 12696–12703 DOI: 10.1021/ja962527a Supporting Info

Rapid Phosphodiester Hydrolysis by an Ammonium-Functionalized Copper(II) Complex. A Model for the Cooperativity of Metal Ions and NH-Acidic Groups in Phosphoryl Transfer Enzymes Endre Kövári and Roland Krämer pp 12704–12709 DOI: 10.1021/ja962806y Supporting Info

Interfacial Electron Transfer to the Zeolite-Encapsulated Methylviologen Acceptor from Various Carbonylmanganate Donors. Shape Selectivity of Cations in Mediating Electron Conduction through the Zeolite Framework K. B. Yoon, Y. S. Park, and J. K. Kochi pp 12710–12718 DOI: 10.1021/ja962645y

The Gas-Phase Reaction of Nitronium Ion with Ethylene. An Experimental and Theoretical Study Fulvio Cacace, Giulia de Petris, Federico Pepi, Ivan Rossi, and Alessandro Venturini pp 12719–12723 DOI: 10.1021/ja9605937

Sorption Sites, Energetics, and Reactions of Molybdenum Hexacarbonyl and Benzene Cosorbed in Faujasitic Zeolites Claude Brémard, Gabrielle Ginestet, and Marielle Le Maire pp 12724–12734 DOI: 10.1021/ja961115z

The First Direct Experimental Determination of Strain in Neutral and Protonated 2-Azetidinone M. V. Roux, P. Jiménez, J. Z. Dávalos, O. Castaño, M. T. Molina, R. Notario, M. Herreros, and J.-L. M. Abboud pp 12735–12737 DOI: 10.1021/ja962792w Supporting Info

The Thermal Chemistry of Neopentyl Iodide on Ni(100) Surfaces:  Selectivity between α-C−H and γ-C−H and between C−H and C−C Bond-Scission Steps in Chemisorbed Neopentyl Moieties Francisco Zaera and Sariwan Tjandra pp 12738–12746 DOI: 10.1021/ja9628056

Large Second-Order Optical Nonlinearities in Open-Shell Chromophores. Planar Metal Complexes and Organic Radical Ion Aggregates Santo Di Bella, Ignazio Fragalà, Tobin J. Marks, and Mark A. Ratner pp 12747–12751 DOI: 10.1021/ja960561j

Synthesis and Fragmentation of 2,2-Diazido-1,3,2-dioxasila-5-cycloheptenes. The Chemical Vapor Deposition of SiO2 Rainer Herges and Felix Starck pp 12752–12757 DOI: 10.1021/ja9615886

A Reassessment of the Bond Dissociation Energies of Peroxides. An ab Initio Study Robert D. Bach, Philippe Y. Ayala, and H. B. Schlegel pp 12758–12765 DOI: 10.1021/ja961838i Supporting Info

X-ray Absorption and EPR Studies on the Copper Ions Associated with the Particulate Methane Monooxygenase from Methylococcus capsulatus (Bath). Cu(I) Ions and Their Implications Hiep-Hoa T. Nguyen, Kent H. Nakagawa, Britt Hedman, Sean J. Elliott, Mary E. Lidstrom, Keith O. Hodgson, and Sunney I. Chan pp 12766–12776 DOI: 10.1021/ja961778g

Second Coordination Shell Water Exchange Rate and Mechanism:  Experiments and Modeling on Hexaaquachromium(III) A. Bleuzen, F. Foglia, E. Furet, L. Helm, A. E. Merbach, and J. Weber pp 12777–12787 DOI: 10.1021/ja9613116 Supporting Info

Dynamics within a Single Molecular Layer. Aggregation, Relaxation, and the Absence of Motion J. C. Horne and G. J. Blanchard pp 12788–12795 DOI: 10.1021/ja962021s

Conformational Analysis of Molecules with Five-Membered Rings through NMR Determination of the Continuous Probability Distribution (CUPID) for Pseudorotation Željko Džakula, Michele L. DeRider, and John L. Markley pp 12796–12803 DOI: 10.1021/ja962160+ Supporting Info

Structure and Dynamic Behavior of Crowded Cis Vicinal [(N,N-Dimethylamino)cyclopentyl]trimethylammonium Salts and Related Compounds Gideon Fraenkel, Sharon Boyd, Albert Chow, and Judith Gallucci pp 12804–12811 DOI: 10.1021/ja962327z Supporting Info

Time Evolution of NMR Proton Chemical Shifts of an RNA Hairpin during a Molecular Dynamics Simulation Jacek Nowakowski, Jennifer L. Miller, Peter A. Kollman, and Ignacio Tinoco, Jr. pp 12812–12820 DOI: 10.1021/ja9625945

Dynamic NMR Study of trans-Cyclodecene Diwakar M. Pawar and Eric A. Noe pp 12821–12825 DOI: 10.1021/ja962666s Supporting Info

Cytochrome P-450 Model (Porphinato)(thiolato)iron(III) Complexes with Single and Double NH···S Hydrogen Bonds at the Thiolate Site Norikazu Ueyama, Nami Nishikawa, Yusuke Yamada, Taka-aki Okamura, and Akira Nakamura pp 12826–12827 DOI: 10.1021/ja9622970 Supporting Info

Reexamining the Primary Light-Induced Events in Bacteriorhodopsin Using a Synthetic C13C14-Locked Chromophore Q. Zhong, S. Ruhman, and M. OttolenghiM. Sheves and N. FriedmanG. H. Atkinson and J. K. Delaney pp 12828–12829 DOI: 10.1021/ja961058+ Supporting Info

The Origin of Nonlinear Optical Activity of 1,3,5-Triamino-2,4,6-trinitrobenzene in the Solid State:  The Crystal Structure of a Non-Centrosymmetric Polymorph as Determined by Electron Diffraction Ingrid G. Voigt-Martin, Gao Li, A. Yakimanski, Gabriela Schulz, and J. Jens Wolff pp 12830–12831 DOI: 10.1021/ja9611708 Supporting Info

P(MeNCH2CH2)3N:  An Efficient Silylation Catalyst Bosco A. D'Sa and John G. Verkade pp 12832–12833 DOI: 10.1021/ja961010w Supporting Info

Synthesis and Characterization by Electrospray Mass Spectrometry of a Novel Dendritic Heptanuclear Complex of Ruthenium(II) C. Moucheron and A. Kirsch-De MesmaekerA. Dupont-Gervais, E. Leize, and A. Van Dorsselaer pp 12834–12835 DOI: 10.1021/ja962752s

Synthesis of a Stable Sulfenic Acid by Oxidation of a Sterically Hindered Thiol (Thiophenetriptycene-8-thiol)1 and Its Characterization Akihiko Ishii, Ken Komiya, and Juzo Nakayama pp 12836–12837 DOI: 10.1021/ja962995k Supporting Info

The Mechanism of the β-(Acyloxy)alkyl Radical Rearrangement:  Substituent and Solvent Effects Athelstan L. J. Beckwith and Peter J. Duggan pp 12838–12839 DOI: 10.1021/ja963153o Supporting Info

Porous Silicon Coated with Calixarene Carboxylic Acid Derivatives:  Effects on Luminescence Quenching Selectivity Libing Zhang, Jeffery L. Coffer, Jianshe Wang, and C. David GutscheJin-Jian Chen and Oliver Chyan pp 12840–12841 DOI: 10.1021/ja962964p Supporting Info

Cyclometalation of a Pyrazolyl Arm in Hydridotris(1-pyrazolyl)borate and Tris(1-pyrazolyl)methane Complexes of Iridium D. M. Heinekey, Warren J. Oldham, Jr., and Jackson S. Wiley pp 12842–12843 DOI: 10.1021/ja962320h Supporting Info

Unprecedented Two-Dimensional Polymers of Mn(II) with TCNQ-• (TCNQ = 7,7,8,8-Tetracyanoquinodimethane) Hanhua Zhao, Robert A. Heintz, and Kim R. DunbarRobin D. Rogers pp 12844–12845 DOI: 10.1021/ja962504w Supporting Info

The Catalytic Oxidation of Linear and Branched Alkanes by Cytochrome P450cam Julie-Anne Stevenson, Andrew C. G. Westlake, Catherine Whittock, and Luet-Lok Wong pp 12846–12847 DOI: 10.1021/ja963087q

Nucleophilic Carbenes in Organic Synthesis. Construction of Functionalized Hydroindolones via a Novel Reaction Pathway of Dimethoxycarbene James H. Rigby, Alexandre Cavezza, and Gulzar Ahmed pp 12848–12849 DOI: 10.1021/ja962784f Supporting Info

The First Pentahaptofullerene Metal Complexes Masaya Sawamura, Hitoshi Iikura, and Eiichi Nakamura pp 12850–12851 DOI: 10.1021/ja962681x Supporting Info

EPR Evidence for a Tyrosyl Radical Intermediate in Bovine Liver Catalase Anabella Ivancich, Hélène Marie Jouve, and Jacques Gaillard pp 12852–12853 DOI: 10.1021/ja9628361

First Example of a Highly Enantioselective Catalytic Protonation of Silyl Enol Ethers Using a Novel Lewis Acid-Assisted Brønsted Acid System Kazuaki Ishihara, Shingo Nakamura, Masanobu Kaneeda, and Hisashi Yamamoto pp 12854–12855 DOI: 10.1021/ja962414r Supporting Info

Entropy vs Enthalpy Control of 1,5-Biradical Cyclization in the Photochemistry of α-(o-Alkylphenyl)acetophenones Peter J. Wagner, Ali Zand, and Bong-Ser Park pp 12856–12857 DOI: 10.1021/ja962683h

Photocyclization to Cyclopropanols and Exciplex Emission of β-Arylpropiophenones Wilfried Weigel and Peter J. Wagner pp 12858–12859 DOI: 10.1021/ja962682p

Template Mediated Growth of Rare Earth Carbides Louis J. Santodonato, Dan A. Neumann, and Ross W. Erwin pp 12860–12861 DOI: 10.1021/ja9625788 Supporting Info

Development of a Pharmacophore Model for a Novel Hematoregulatory Peptide Pradip K. Bhatnagar, Doreen Alberts, James F. Callahan, Dirk Heerding, William F. Huffman, Andrew G. King, Steve LoCastro, Louis M. Pelus, and Joanne S. Takata pp 12862–12863 DOI: 10.1021/ja962919h Supporting Info

Equilibrium Protium/Deuterium Fractionation of Backbone Amides in U−13C/15N Labeled Human Ubiquitin by Triple Resonance NMR Andy C. LiWang and Ad Bax pp 12864–12865 DOI: 10.1021/ja9630553 Supporting Info

First Characterization of a 10-P-5 Spirophosphorane with an Apical Carbon−Equatorial Oxygen Ring. Kinetic Studies on Pseudorotation of Stereoisomers Satoshi Kojima, Kazumasa Kajiyama, Masaaki Nakamoto, and Kin-ya Akiba pp 12866–12867 DOI: 10.1021/ja9621408 Supporting Info

Direct Detection by 15N NMR of the Tryptophan Tryptophylquinone Aminoquinol Reaction Intermediate of Methylamine Dehydrogenase G. Reid Bishop, Edward J. Valente, Tracy L. Whitehead, Kenneth L. Brown, Rickey P. Hicks, and Victor L. Davidson pp 12868–12869 DOI: 10.1021/ja9621859

Advanced Series in Physical Chemistry, Volume 2:  Modern Electronic Structure Theory, Parts I and II Edited by David R. Yarkony (Johns Hopkins University). World Scientific:  London, 1995. Part I:  xiii + 721 pp. $89.00. ISBN 981-02-2987-9. Part II:  xiii + 741 pp. $89.00. ISBN 981-02-2988-7. Leland C. Allen pp 12870–12871 DOI: 10.1021/ja9655754

Inductively Coupled and Microwave Induced Plasma Sources for Mass Spectrometry By E. Hywel Evans (University of Plymouth, U.K.) and Jeffrey J. Giglio, Theresa M. Castillano, and Joseph A. Caruso (University of Cincinnati). The Royal Society of Chemistry: Cambridge. 1995. viii + 107 pp. £32.50. ISBN 0-85404-560-0. Harry B. Fannin p 12871 DOI: 10.1021/ja9655101

Circular Dichroism and the Conformational Analysis of Biomolecules Edited by Gerald D. Fasman (Brandeis University). Plenum Press:  New York. 1996. x + 738 pp. $125.00. ISBN 0-306-45142-5. Neil Purdie p 12871 DOI: 10.1021/ja965689f

Physical Properties of Polymeric Gels Edited by J. P. Cohen Addad (University Joseph-Fourier). Wiley:  New York. 1996. xii + 311 pp. $89.95. ISBN 0-471-93971-4. Ronald A. Siegel pp 12871–12872 DOI: 10.1021/ja965639a

Principles of Nonlinear Optical Spectroscopy By Shaul Mukamel (University of Rochester). Oxford University Press:  New York. 1995. xviii + 543 pp. $65.00. ISBN 0-19-509278-3. Robert J. Silbey p 12872 DOI: 10.1021/ja965513d

Strategies in Size Exclusion Chromatography Edited by Martin Potschka (Scientific Consultant) and Paul L. Dublin (Indiana University-Purdue University). ACS:  Washington, DC. 1996. xiii + 415 pp. $109.95. ISBN 0-8412-3414-0. p 12872 DOI: 10.1021/ja965750g

Issue 51

Exploiting Hydration Hysteresis for High Activity of Cross-Linked Subtilisin Crystals in Acetonitrile Johann Partridge, Gillian A. Hutcheon, Barry D. Moore, and Peter J. Halling pp 12873–12877 DOI: 10.1021/ja961383x

Multidimensional Marcus Theory:  An Analysis of Concerted Reactions J. Peter Guthrie pp 12878–12885 DOI: 10.1021/ja961860b Supporting Info

Intrinsic Barriers for Proton Transfer Reactions Involving Electronegative Atoms, and the Water Mediated Proton Switch:  An Analysis in Terms of Marcus Theory J. Peter Guthrie pp 12886–12890 DOI: 10.1021/ja9618614 Supporting Info

Control of Subtilisin Substrate Specificity by Solvent Engineering in Organic Solvents and Supercritical Fluoroform Apurva K. Chaudhary, Sanjay V. Kamat, Eric J. Beckman, David Nurok, Robert M. Kleyle, Paul Hajdu, and Alan J. Russell pp 12891–12901 DOI: 10.1021/ja9622923 Supporting Info

Steric Effects on the Amide Isomer Equilibrium of Prolyl Peptides. Synthesis and Conformational Analysis of N-Acetyl-5-tert-butylproline N‘-Methylamides Eric Beausoleil and William D. Lubell pp 12902–12908 DOI: 10.1021/ja962013b Supporting Info

Efficient Coupled Oxidation of Heme by an Active Site Variant of Horse Heart Myoglobin Dean P. Hildebrand, Hai-lun Tang, Yaoguang Luo, Christie L. Hunter, Michael Smith, Gary D. Brayer, and A. Grant Mauk pp 12909–12915 DOI: 10.1021/ja9620043

The Elusive 1,4-Dioxy Biradical:  Revised Mechanism for the Formation of Diol from 3,3-Dimethyldioxetane in Cyclohexadiene Sean Murphy and Waldemar Adam pp 12916–12921 DOI: 10.1021/ja9540886

Comparison and Search for CH53+ and CH64+ and Their Isoelectronic Boron Analogues BH52+ and BH63+ 1 George A. Olah and Golam Rasul pp 12922–12924 DOI: 10.1021/ja961597e

Photogeneration of Amines from α-Keto Carbamates:  Photochemical Studies James F. Cameron, C. Grant Willson, and Jean M. J. Fréchet pp 12925–12937 DOI: 10.1021/ja954339a Supporting Info

Alkanediyl Bridged Calix[4]arenes:  Synthesis, Conformational Analysis, and Rotational Barriers Silvio E. Biali, Volker Böhmer, Shmuel Cohen, George Ferguson, Cordula Grüttner, Flavio Grynszpan, Erich F. Paulus, Iris Thondorf, and Walter Vogt pp 12938–12949 DOI: 10.1021/ja960883n Supporting Info

(Dicyanomethylene)pyran Derivatives with C2v Symmetry:  An Unusual Class of Nonlinear Optical Chromophores Christopher R. Moylan, Susan Ermer, Steven M. Lovejoy, I-Heng McComb, Doris S. Leung, Rüdiger Wortmann, Peter Krdmer, and Robert J. Twieg pp 12950–12955 DOI: 10.1021/ja962673g

Neighboring Carboxyl Group Participation in the Hydrolysis of Acetals. Hydrolysis of o-Carboxybenzaldehyde cis- and trans-1,2-Cyclohexanediyl Acetals Thomas H. Fife, Ramesh Bembi, and R. Natarajan pp 12956–12963 DOI: 10.1021/ja953362t

Bimetallic Catalyst Particle Nanostructure. Evolution from Molecular Cluster Precursors Michael S. Nashner, David M. Somerville, Philip D. Lane, David L. Adler, John R. Shapley, and Ralph G. Nuzzo pp 12964–12974 DOI: 10.1021/ja962174f Supporting Info

Representation of Nonplanar Structures of Nickel(II) 5,15-Disubstituted Porphyrins in Terms of Displacements along the Lowest-Frequency Normal Coordinates of the Macrocycle Xing-Zhi Song, Walter Jentzen, Song-Ling Jia, Laurent Jaquinod, Daniel J. Nurco, Craig J. Medforth, Kevin M. Smith, and John A. Shelnutt pp 12975–12988 DOI: 10.1021/ja961676q Supporting Info

Structure of the [NiFe] Hydrogenase Active Site:  Evidence for Biologically Uncommon Fe Ligands Anne Volbeda, Elsa Garcin, Claudine Piras, Antonio L. de Lacey, Victor M. Fernandez, E. Claude Hatchikian, Michel Frey, and Juan Carlos Fontecilla-Camps pp 12989–12996 DOI: 10.1021/ja962270g

Detection of Chiral Analytes through Adduct Formation with Chiral Films Coated onto Emissive Cadmium Selenide Substrates Dale E. Moore, Kathleen Meeker, and Arthur B. Ellis pp 12997–13001 DOI: 10.1021/ja9630405

Radical and Concerted Mechanisms in Oxidations of Amines, Sulfides, and Alkenes by Peroxynitrite, Peroxynitrous Acid, and the Peroxynitrite−CO2 Adduct:  Density Functional Theory Transition Structures and Energetics K. N. Houk, Kevin R. Condroski, and William A. Pryor pp 13002–13006 DOI: 10.1021/ja9619521

Ab Initio Modeling of the Endohedral Reactivity of Polyoxometallates:  1. Host−Guest Interactions in [RCN(V12O32)4-] (R = H, CH3, C6H5) Marie-Madeleine Rohmer, Jérôme Devémy, Roland Wiest, and Marc Bénard pp 13007–13014 DOI: 10.1021/ja962259g

29Si NMR Chemical Shifts of Silicate Species:  Ab Initio Study of Environment and Structure Effects Viktor Moravetski, Jörg-R. Hill, Uwe Eichler, Anthony K. Cheetham, and Joachim Sauer pp 13015–13020 DOI: 10.1021/ja962506g

Combined Static and Dynamic Density Functional Study of the Ti(IV) Constrained Geometry Catalyst (CpSiH2NH)TiR+. 1. Resting States and Chain Propagation Tom K. Woo, Peter M. Margl, John C. W. Lohrenz, Peter E. Blöchl, and Tom Ziegler pp 13021–13030 DOI: 10.1021/ja962525q Supporting Info

Conformations and Dynamics of the Essential Cysteinyl-Cysteine Ring Derived from the Acetylcholine Receptor, Daina Z. Avizonis, Shauna Farr-Jones, Phyllis Anne Kosen, and Vladimir J. Basus pp 13031–13039 DOI: 10.1021/ja962005v

Study of the Constitutive Superficial Water of Precipitated Amorphous Silicas using 1H NMR:  Broad-Line at 4 K and HR MAS at 300 K C. Dorémieux-Morin, L. Heeribout, C. Dumousseaux, J. Fraissard, H. Hommel, and A. P. Legrand pp 13040–13045 DOI: 10.1021/ja962057k

Nuclear Magnetic Resonance Spectroscopic Study of the Electrochemical Oxidation Product of Methanol on Platinum Black James B. Day, Pierre-Andre Vuissoz, Eric Oldfield, Andrzej Wieckowski, and Jean-Philippe Ansermet pp 13046–13050 DOI: 10.1021/ja962490u

Self-Assembled Monolayers of Discotic Liquid Crystalline Thioethers, Discoid Disulfides, and Thiols on Gold:  Molecular Engineering of Ordered Surfaces H. Schönherr, F. J. B. Kremer, S. Kumar, J. A. Rego, H. Wolf, H. Ringsdorf, M. Jaschke, H.-J. Butt, and E. Bamberg pp 13051–13057 DOI: 10.1021/ja962598+

Concerted Reactions of Charge Transfer and Covalent Bond Formation in Ionized Alkylbenzene−Isobutene Clusters. Copolymerization of Styrene−Isobutene and α-Methylstyrene−Isobutene Clusters M. Samy El-Shall and Zhongde Yu pp 13058–13068 DOI: 10.1021/ja962668c

A 240-Fold Electrostatic Rate-Enhancement for Acetylcholinesterase−Substrate Binding Can Be Predicted by the Potential within the Active Site Huan-Xiang Zhou, James M. Briggs, and J. Andrew McCammon pp 13069–13070 DOI: 10.1021/ja963134e

β-Peptide Foldamers:  Robust Helix Formation in a New Family of β-Amino Acid Oligomers Daniel H. Appella, Laurie A. Christianson, Isabella L. Karle, Douglas R. Powell, and Samuel H. Gellman pp 13071–13072 DOI: 10.1021/ja963290l Supporting Info

A Positively Charged Residue Bound in the Minor Groove Does Not Alter the Bending of a DNA Duplex Arthur Glasfeld, Maria A. Schumacher, Kang-Yell Choi, Howard Zalkin, and Richard G. Brennan pp 13073–13074 DOI: 10.1021/ja962416b

Reversible Water and Methanol Activation at the PdSn Bond1 Frank Schager, Klaus Seevogel, Klaus-Richard Pörschke, Magnus Kessler, and Carl Krüger pp 13075–13076 DOI: 10.1021/ja962610y Supporting Info

N → O Acyl-Transfer Reaction Catalyzed by Antibodies Oguz Ersoy, Roman Fleck, Anthony Sinskey, and Satoru Masamune pp 13077–13078 DOI: 10.1021/ja963026s

A Time-Resolved Electron Paramagnetic Resonance Study on the Excited States of Tetraphenylporphinatozinc(II) Coordinated by p-Pyridyl Nitronyl Nitroxide Kazuyuki Ishii, Jun-ichi Fujisawa, Yasunori Ohba, and Seigo Yamauchi pp 13079–13080 DOI: 10.1021/ja961661s

A Pressure Sensitive Two-Dimensional Tetracyanoquinodimethane (TCNQ) Salt of a Stable Free Radical Katherine A. Hutchison, Gordana Srdanov, Reghu Menon, Jean-Christophe P. Gabriel, Brian Knight, and Fred Wudl pp 13081–13082 DOI: 10.1021/ja963174i Supporting Info

A New Approach in the Use of Gradients for Size-Resolved 2D-NMR Experiments Nicolas Birlirakis and Eric Guittet pp 13083–13084 DOI: 10.1021/ja9627151

Gradient, High Resolution, Magic Angle Sample Spinning NMR W. E. Maas, F. H. Laukien, and D. G. Cory pp 13085–13086 DOI: 10.1021/ja962227t Supporting Info

Stereostructure of (−)-Chloropeptin I, a Novel Inhibitor of gp120−CD4 Binding, via High- Temperature Molecular Dynamics, Monte Carlo Conformational Searching, and NMR Spectroscopy Hiroaki Gouda, Keiichi Matsuzaki, Haruo Tanaka, and Shuichi HironoSatoshi ŌmuraJohn A. McCauley, Paul A. Sprengeler, George T. Furst, and Amos B. Smith, III pp 13087–13088 DOI: 10.1021/ja963003d Supporting Info

Biosynthesis of Squalene. Evidence for a Tertiary Cyclopropylcarbinyl Cationic Intermediate in the Rearrangement of Presqualene Diphosphate to Squalene Michael B. Jarstfer, Brian S. J. Blagg, Daniel H. Rogers, and C. Dale Poulter pp 13089–13090 DOI: 10.1021/ja963308s

The First Example of Isomerization of a Dimetal Complex Involving the Switch of a Metal−Metal Bond Order from 3 to 0. Synthesis and Characterization of the Paramagnetic Mixed-Valence Complex Cation [(XylNC)(OC)Re(μ-Cl)2(μ-dppm)2ReCl(CNXyl)]+ 1 Wengan Wu, Phillip E. Fanwick, and Richard A. Walton pp 13091–13092 DOI: 10.1021/ja962910f Supporting Info

Synthesis and Isolation of a Fullerene Carbocation (C76+) Robert D. Bolskar, Rajeev S. Mathur, and Christopher A. Reed pp 13093–13094 DOI: 10.1021/ja962294n Supporting Info

Total Synthesis of (−)-Macrolactin A Amos B. Smith, III and Gregory R. Ott pp 13095–13096 DOI: 10.1021/ja963543a Supporting Info

Galactose Oxidase Model Complexes:  Catalytic Reactivities Yadong Wang and T. D. P. Stack pp 13097–13098 DOI: 10.1021/ja9621354 Supporting Info

Asymmetric Conjugate Nucleophilic Addition of Organolithiums to Chromium (Menthyloxy)(aryl)carbene Complexes José Barluenga, Andrés A. Trabanco, Josefa Flórez, Santiago García-Granda, and Eduardo Martín pp 13099–13100 DOI: 10.1021/ja962770+ Supporting Info

Linear Gold(I) Coordination Polymers:  A Polymer with a Unique Sine Wave Conformation Michael J. Irwin, Jagadese J. Vittal, Glenn P. A. Yap, and Richard J. Puddephatt pp 13101–13102 DOI: 10.1021/ja963441k Supporting Info

Asymmetric 1,7-Hydride Shift:  The Highly Asymmetric Reduction of α,β-Unsaturated Ketones to Secondary Alcohols via a Novel Tandem Michael Addition−Meerwein−Ponndorf−Verley Reduction Kiyoharu Nishide, Yukihiro Shigeta, Kenichi Obata, and Manabu Node pp 13103–13104 DOI: 10.1021/ja963098j Supporting Info

Spectroscopic Detection of a Hydrogen Fluoride Complex of Iridium Ben P. Patel and Robert H. Crabtree pp 13105–13106 DOI: 10.1021/ja9628462 Supporting Info

Novel Vancomycin Dimers with Activity against Vancomycin-Resistant Enterococci Uma N. Sundram and John H. GriffinThalia I. Nicas pp 13107–13108 DOI: 10.1021/ja9621298 Supporting Info

Palladium Alkoxides:  Potential Intermediacy in Catalytic Amination, Reductive Elimination of Ethers, and Catalytic Etheration. Comments on Alcohol Elimination from Ir(III) Grace Mann and John F. Hartwig pp 13109–13110 DOI: 10.1021/ja963273w Supporting Info

Radical-Initiated Functionalization of Methane and Ethane in Fuming Sulfuric Acid Naomi Basickes, Terrence E. Hogan, and Ayusman Sen pp 13111–13112 DOI: 10.1021/ja9632365

Synthesis of Artificial Chitin:  Irreversible Catalytic Behavior of a Glycosyl Hydrolase through a Transition State Analogue Substrate Shiro Kobayashi, Toshitsugu Kiyosada, and Shin-ichiro Shoda pp 13113–13114 DOI: 10.1021/ja963011u

The Oxidation State of Ce in the Sandwich Molecule Cerocene N. M. Edelstein, P. G. Allen, J. J. Bucher, D. K. Shuh, and C. D. SofieldN. Kaltsoyannis, G. H. Maunder, M. R. Russo, and A. Sella pp 13115–13116 DOI: 10.1021/ja962915c

Stereochemistry and Reactions of Presilphiperfolanol:  A Branch Point Marker in Triquinane Sesquiterpene Biogenesis J. Am. Chem. Soc. 1996, 118, 9249−9254 Robert M. Coates, Zhanqi Ho, Michael Klobus, and Scott R. Wilson p 13117 DOI: 10.1021/ja9654589

Current Trends in Polymer Photochemistry Edited by Norman S. Allen and Michele Edge (Manchester Metro University) and Ignazio R. Bellobono and Elena Selli (University Degli Studi di Milano). Ellis Horwood:  New York. 1995. x + 382 pp. ISBN 0-13-138785. Charles E. Hoyle p 13117 DOI: 10.1021/ja965512l

Stereochemistry of Radical Reactions:  Concepts, Guidelines, and Synthetic Applications By Dennis P. Curran (University of Pittsburgh), Ned A. Porter (Duke University), and Bernd Giese (University of Basel). VCH:  New York. 1995. xii + 280 pp. $95.00. ISBN 3-527-29372-8. Howard E. Smith pp 13117–13118 DOI: 10.1021/ja965592t

Advances in Metal-Organic Chemistry, Vol. 4 Edited by Lanny S. Liebeskind (Emory University). JAI:  Greenwich, CT. 1995. x + 317 pp. $97.50. ISBN 1-55938-709-2. Howard Alper p 13118 DOI: 10.1021/ja965563i

Polymers and Other Advanced Materials. Emerging Technologies and Business Opportunities Edited by Paras N. Prasad (State University of New York at Buffalo), James E. Mark (University of Cincinnati), and Ting Joo Fai (Standard and Industrial Research Institute of Malaysia, Kuala Lumpur, Malaysia). Plenum Press:  New York. 1995. xviii + 791 pp. $65.00. ISBN 0-306-45210-3. William J. Welsh p 13118 DOI: 10.1021/ja965584c