Volume 120
Main Index

Issue 01

A Computational Analysis of the Unique Protein-Induced Tight Turn That Results in Posttranslational Chromophore Formation in Green Fluorescent Protein Bruce R. Branchini, Amy R. Nemser, and Marc Zimmer pp 1–6 DOI: 10.1021/ja973019j Supporting Info

Engineering Biosensors by Introducing Fluorescent Allosteric Signal Transducers:  Construction of a Novel Glucose Sensor Jonathan S. Marvin and Homme W. Hellinga pp 7–11 DOI: 10.1021/ja972993f

High-Yield Preparation of Oligomeric C-Type DNA Toroids and Their Characterization by Cryoelectron Microscopy Christoph Böttcher, Claus Endisch, Jürgen-Hinrich Fuhrhop, Catherine Catterall, and Michael Eaton pp 12–17 DOI: 10.1021/ja971047w

Characterizing Spectrally Diverse Biological Chromophores Using Capillary Electrophoresis with Multiphoton-Excited Fluorescence Michael L. Gostkowski, J. Bridget McDoniel, Jing Wei, Theodore E. Curey, and Jason B. Shear pp 18–22 DOI: 10.1021/ja9727427

Exploring the Specificity Pockets of Two Homologous SH3 Domains Using Structure-Based, Split-Pool Synthesis and Affinity-Based Selection Tarun M. Kapoor, Amy Hamilton Andreotti, and Stuart L. Schreiber pp 23–29 DOI: 10.1021/ja972728u

Exploring the Leucine-Proline Binding Pocket of the Src SH3 Domain Using Structure-Based, Split-Pool Synthesis and Affinity-Based Selection James P. Morken, Tarun M. Kapoor, Sibo Feng, Fumiyuki Shirai, and Stuart L. Schreiber pp 30–36 DOI: 10.1021/ja972729m

Autocatalytic Fragmentation of Acetoacetate Derivatives as Acid Amplifiers to Proliferate Acid Molecules Koji Arimitsu, Kazuaki Kudo, and Kunihiro Ichimura pp 37–45 DOI: 10.1021/ja972353c

Covalent Attachment of an Electroactive Sulfydryl Reagent in the Active Site of Cytochrome P450cam as Revealed by the Crystal Structure of the Modified Protein Katalin Di Gleria, Darren P. Nickerson, H. Allen O. Hill, Luet-Lok Wong, and Vilmos Fülöp pp 46–52 DOI: 10.1021/ja972473k

Assessment of the Role of the Bleomycin A2 Pyrimidoblamic Acid C4 Amino Group Dale L. Boger, Timothy M. Ramsey, Hui Cai, Silvia T. Hoehn, John W. Kozarich, and JoAnne Stubbe pp 53–65 DOI: 10.1021/ja971889v Supporting Info

Chiral Capsules. 1. Softballs with Asymmetric Surfaces Bind Camphor Derivatives Yuji Tokunaga and Julius Rebek, Jr. pp 66–69 DOI: 10.1021/ja972885t

On the Effect of the Nature of Ion Pairs as Nucleophiles in a Metal-Catalyzed Substitution Reaction Barry M. Trost and Richard C. Bunt pp 70–79 DOI: 10.1021/ja9726522 Supporting Info

Elevated Conformational Rigidity in Dipeptides Incorporating Piperazic Acid Derivatives Ning Xi, Lawrence B. Alemany, and Marco A. Ciufolini pp 80–86 DOI: 10.1021/ja9729903 Supporting Info

Photoinduced Electron-Transfer Degenerate Cope Rearrangement of 2,5-Diaryl-1,5-hexadienes:  A Cation-Radical Cyclization−Diradical Cleavage Mechanism Hiroshi Ikeda, Tomonori Minegishi, Hideyuki Abe, Akinori Konno, Joshua L. Goodman, and Tsutomu Miyashi pp 87–95 DOI: 10.1021/ja971910s Supporting Info

Using Hydrogen-Bonds and Herringbone Packing to Design Interfaces of 4,4‘-Disubstituted meso-Hydrobenzoin Crystals. The Importance of Recognizing Unfavorable Packing Motifs Jennifer A. Swift, Rajib Pal, and J. Michael McBride pp 96–104 DOI: 10.1021/ja9730066 Supporting Info

Aminoguanidinium Hydrolysis Effected by a Hydroxo-Bridged Dicobalt(II) Complex as a Functional Model for Arginase and Catalyzed by Mononuclear Cobalt(II) Complexes Chuan He and Stephen J. Lippard pp 105–113 DOI: 10.1021/ja972524d Supporting Info

Functionalization of Cp4Fe4(CO)4:  Contrasts and Comparisons with Ferrocene Mark D. Westmeyer, Mark A. Massa, Thomas B. Rauchfuss, and Scott R. Wilson pp 114–123 DOI: 10.1021/ja972557t Supporting Info

Incorporation of A2Q into HgQ and Dimensional Reduction to A2Hg3Q4 and A2Hg6Q7 (A = K, Rb, Cs; Q = S, Se). Access of Li Ions in A2Hg6Q7 through Topotactic Ion-Exchange Enos A. Axtell, III, Younbong Park, Konstantinos Chondroudis, and Mercouri G. Kanatzidis pp 124–136 DOI: 10.1021/ja9713486 Supporting Info

Surface Organometallic Chemistry on Metals:  Formation of a Stable Sn(n-C4H9) Fragment as a Precursor of Surface Alloy Obtained by Stepwise Hydrogenolysis of Sn(n-C4H9)4 on a Platinum Particle Supported on Silica F. Humblot, D. Didillon, F. Lepeltier, J. P. Candy, J. Corker, O. Clause, F. Bayard, and J. M. Basset pp 137–146 DOI: 10.1021/ja964405o

Labeling Pattern of Okadaic Acid from 18O2 and [18O2]Acetate Elucidated by Collision-Induced Dissociation Tandem Mass Spectrometry Michio Murata, Miho Izumikawa, Kazuo Tachibana, Tsuyoshi Fujita, and Hideo Naoki pp 147–151 DOI: 10.1021/ja971547p Supporting Info

Unimolecular Chemistry of the Gaseous Cyclopropylamine Radical Cation Guy Bouchoux, Christian Alcaraz, Odile Dutuit, and Minh Tho Nguyen pp 152–160 DOI: 10.1021/ja971724m

Stereochemistry of Binding of Metal Cations and Water to a Phosphate Group Bohdan Schneider and Martin Kabelá pp 161–165 DOI: 10.1021/ja972237+ Supporting Info

Characterization of Low-Barrier Hydrogen Bonds. 6. Cavity Polarity Effects on the Formic Acid−Formate Anion Model System. An ab Initio and DFT Investigation Yongping Pan and Michael A. McAllister pp 166–169 DOI: 10.1021/ja972311o

Slow Dynamics of the Cyclic Osmoregulated Periplasmic Glucan of Ralstonia solanacearum As Revealed by Heteronuclear Relaxation Studies G. Lippens, J.-M. Wieruszeski, D. Horvath, P. Talaga, and J.-P. Bohin pp 170–177 DOI: 10.1021/ja970960u

Nonmonotonic Effect of Ionic Strength on Surface Dye Extraction during Dye−Polyelectrolyte Multilayer Formation Matthew R. Linford, Mark Auch, and Helmuth Möhwald pp 178–182 DOI: 10.1021/ja972133z

Origin of the Catalytic Power of Acetylcholinesterase:  Computer Simulation Studies Monika Fuxreiter and Arieh Warshel pp 183–194 DOI: 10.1021/ja972326m

Radical Ion Probes. 8. Direct and Indirect Electrochemistry of 5,7-Di-tert-butylspiro[2.5]octa-4,7-dien-6-one and Derivatives J. Paige Phillips, Jason G. Gillmore, Phillip Schwartz, Larry E. Brammer, Jr., Daniel J. Berger, and J. M. Tanko pp 195–202 DOI: 10.1021/ja972795o Supporting Info

In Situ Vibrational Spectroscopy of an Organic Monolayer at the Sapphire−Quartz Interface Ruchama Fraenkel, Gordon E. Butterworth, and Colin D. Bain pp 203–204 DOI: 10.1021/ja972679l Supporting Info

New Paradigm for Anionic Heteroatom Cope Rearrangements Hi Young Yoo and K. N. HoukJeehiun K. LeeMark A. Scialdone and A. I. Meyers pp 205–206 DOI: 10.1021/ja9728785 Supporting Info

New Air-Stable n-Channel Organic Thin Film Transistors Zhenan Bao, Andrew J. Lovinger, and Janelle Brown pp 207–208 DOI: 10.1021/ja9727629

Mixed Carboxylate/Catecholate Polynuclear Complexes. Integral Association of Trivalent Lanthanide Ions with Mn4 Units in the Pentanuclear Mn4LaCl and Mn4Tb Clusters R. A. Reynolds, III and D. Coucouvanis pp 209–210 DOI: 10.1021/ja971451v Supporting Info

Absence of Diffusively Free Radical Cation Intermediates in Reactions of β-(Phosphatoxy)alkyl Radicals Seung-Yong Choi, David Crich, John H. Horner, Xianhai Huang, Felix N. Martinez, Martin Newcomb, Donald J. Wink, and Qingwei Yao pp 211–212 DOI: 10.1021/ja973512v Supporting Info

A General Synthesis of End-Functionalized Oligoanilines via Palladium-Catalyzed Amination Robert A. Singer, Joseph P. Sadighi, and Stephen L. Buchwald pp 213–214 DOI: 10.1021/ja973407l Supporting Info

[Pd3(PPh3)4]2+, a New Palladium Triphenylphosphine Complex S. Kannan, Alan J. James, and Paul R. Sharp pp 215–216 DOI: 10.1021/ja973411x Supporting Info

Opening a Perovskite to Valence Manipulation:  Two-Step Topotactic Route to a New Mixed-Valence Titanate, Na1-x+yCax/2LaTiO4 Robert A. McIntyre, Alexander U. Falster, Sichu Li, William B. Simmons, Jr., Charles J. O'Connor, and John B. Wiley pp 217–218 DOI: 10.1021/ja971299x

A Charge-Transfer Complex of Xenon and Difluorovinylidene Carsten Kötting, Wolfram Sander, Jürgen Breidung, Walter Thiel, Michael Senzlober, and Hans Bürger pp 219–220 DOI: 10.1021/ja973387n

Sol−Gel-Encapsulated Heme Proteins. Evidence for CO2 Adducts Qin Ji, Christopher R. Lloyd, Walther R. Ellis, Jr., and Edward M. Eyring pp 221–222 DOI: 10.1021/ja962477+

Adduct Formation and Single and Double Deprotonation of Cp*(PMe3)Ir(H)2 with Main Group Metal Alkyls and Aryls:  Synthesis and Structure of Three Novel Ir−Al and Ir−Mg Heterobimetallics Jeffery T. Golden, Thomas H. Peterson, Patrick L. Holland, Robert G. Bergman, and Richard A. Andersen pp 223–224 DOI: 10.1021/ja973230v Supporting Info

Controlling Interfacial Electron-Transfer Kinetics of Cytochrome c with Mixed Self-Assembled Monolayers Asma El Kasmi, Jean Marie Wallace, Edmond F. Bowden, Sophie M. Binet, and Russell J. Linderman pp 225–226 DOI: 10.1021/ja973417m Supporting Info

Side Chains Affect Electron Tunneling Rates across Amino Acids Tung-Chou Tsai and I-Jy Chang pp 227–228 DOI: 10.1021/ja9728482

Luminescent Metalloreceptor with a Neutral Bis(Acylaminoimidazoline) Binding Site:  Optical Sensing of Anionic and Neural Phosphodiesters Shigeru Watanabe, Osamu Onogawa, Yuka Komatsu, and Katsuhira Yoshida pp 229–230 DOI: 10.1021/ja973263a Supporting Info

A New Family of Highly Emissive Soluble Poly(p-phenylene vinylene) Derivatives. A Step toward Fully Conjugated Blue-Emitting Poly(p-phenylene vinylenes) Bing R. Hsieh, Yuan Yu, Eric W. Forsythe, Gregory M. Schaaf, and William A. Feld pp 231–232 DOI: 10.1021/ja973553r Supporting Info

Stereochemical Effects in Carbene Photochemistry:  2-Furylchlorocarbene Tania Khasanova and Robert S. Sheridan pp 233–234 DOI: 10.1021/ja973550e Supporting Info

DNA Polymerase β. 5. Dissecting the Functional Roles of the Two Metal Ions with Cr(III)dTTP1 Xuejun Zhong, Smita S. Patel, and Ming-Daw Tsai pp 235–236 DOI: 10.1021/ja973507r

A Novel Decavanadium(V) Cluster with a Chiral Framework:  [(OV)10(μ2-O)9(μ3-O)3(C5H7O2)6] Having an Approximate C3 Symmetry Kenichi Oyaizu and Eishun Tsuchida pp 237–238 DOI: 10.1021/ja973190v Supporting Info

MacSpartan Wavefunction, Inc., 18401 Von Karman, Suite 370, Irvine, CA 92612. Phone:  (714) 660-6101, E-mail:  macsales@ wavefun.com, http://www.wavefun.com. Pricing:  academic $299, government $599, commercial $899 James K. Whitesell p 239 DOI: 10.1021/ja9759003

Combinatorial Chemistry. Synthesis and Application By Stephen R. Wilson (New York University) and Anthony W. Czarnik (IRORI Quantum Microchemistry). Wiley:  New York. 1997. ix + 269 pp. $69.95 ISBN 0-471-12687-X. Kevin Burgess pp 239–240 DOI: 10.1021/ja975554p

Carbohyrate Analysis:  High Performance Liquid Chromatography and Capillary Electrophoresis Edited by Ziad El Rassi (Oklahoma State University). Elsevier:  Amsterdam. 1995. xix + 668 pp. $242.75. ISBN 0-444-89981-2. Eric J. Toone p 240 DOI: 10.1021/ja955106m

Guidebook on Molecular Modeling in Drug Design Edited by N. Claude Cohen (Ciba-Geigy, Ltd.). Academic Press:  San Diego. 1996. xix + 361 pp. $59.95. ISBN 0-12-178245-X. Yvonne Connolly Martin p 240 DOI: 10.1021/ja965673p

Online Searching:  A Scientist's Perspective. A Guide for the Chemical and Life Sciences By Damon D. Ridley (University of Sydney). John Wiley & Sons, Inc.:  New York, 1996. xx + 344 pp. $39.95 paperback. ISBN 0-471-96521-9. Donald B. Boyd pp 240–241 DOI: 10.1021/ja965780j

Phthalocyanines:  Properties and Applications, Volume 4 Edited by C. C. Leznoff and A. B. P. Lever (York University, Canada). VCH:  New York, 1996. vi + 524 pp. $150.00. ISBN 1-56081-916-2. Georges Denes pp 241–242 DOI: 10.1021/ja965771a

Chemistry under Extreme or Non-Classical Conditions Edited by Rudi van Eldik and Colin D. Hubbard (University of Erlangen-Nürnberg). John Wiley:  New York. 1997. xii + 555. $99.00. ISBN 0-471-16561-1. Joseph W. Kolis p 242 DOI: 10.1021/ja9755121

Resins for Coatings:  Chemistry, Properties Applications Edited by Dieter Stoye and Werner Freitag. Hanser-Gardner:  Cincinnati. 1996. xvii + 458 pp. $169.50. ISBN 1-56990-209-7. Clarence J. Wolf p 242 DOI: 10.1021/ja9755673

Issue 02

Surface Initiated Living Cationic Polymerization of 2-Oxazolines Rainer Jordan and Abraham Ulman pp 243–247 DOI: 10.1021/ja973392r

Ni(II)·Xaa-Xaa-His Induced DNA Cleavage:  Deoxyribose Modification by a Common “Activated” Intermediate Derived from KHSO5, MMPP, or H2O2 Qi Liang, Davina C. Ananias, and Eric C. Long pp 248–257 DOI: 10.1021/ja9720218 Supporting Info

Active-Site-Dependent Elimination of 4-Nitrophenol from 4-Nitrophenyl Alkylphosphonyl Serine Protease Adducts Ildiko M. Kovach and Edith J. Enyedy pp 258–263 DOI: 10.1021/ja9728031

Structure and Morphology of Helicene Fibers Andrew J. Lovinger, Colin Nuckolls, and Thomas J. Katz pp 264–268 DOI: 10.1021/ja973366t

Consequences of Replacing the DNA 3‘-Oxygen by an Amino Group:  High-Resolution Crystal Structure of a Fully Modified N3‘ → P5‘ Phosphoramidate DNA Dodecamer Duplex Valentina Tereshko, Sergei Gryaznov, and Martin Egli pp 269–283 DOI: 10.1021/ja971962h Supporting Info

A Kinetic Evaluation of Carbon−Hydrogen, Carbon−Carbon, and Carbon−Silicon Bond Activation in Benzylic Radical Cations Mauro Freccero, Albert Pratt, Angelo Albini, and Conor Long pp 284–297 DOI: 10.1021/ja970940s

Comparison of V Values for Some Nitrogen- and Metal-Centered π-Bridged Mixed-Valence Compounds Stephen F. Nelsen, Hieu Q. Tran, and Mark A. Nagy pp 298–304 DOI: 10.1021/ja972919x

Arenesulfonyl Halides:  A Universal Class of Functional Initiators for Metal-Catalyzed “Living” Radical Polymerization of Styrene(s), Methacrylates, and Acrylates V. Percec, B. Barboiu, and H.-J. Kim pp 305–316 DOI: 10.1021/ja9713845 Supporting Info

A New Rotane Family:  Synthesis, Structure, Conformation, and Dynamics of [3.4]-, [4.4]-, [5.4]-, and [6.4]Rotane1 Lutz Fitjer, Christoph Steeneck, Said Gaini-Rahimi, Ulrike Schröder, Karl Justus, Peter Puder, Martin Dittmer, Carla Hassler, Jörg Weiser, Mathias Noltemeyer, and Markus Teichert pp 317–328 DOI: 10.1021/ja973118x Supporting Info

Stereoselection at the Steady State by Stereoconvergent Reaction Topography Nicholas C. DeMello and Dennis P. Curran pp 329–341 DOI: 10.1021/ja9724093 Supporting Info

Stereoselection at the Steady State. Group Selective Radical Cyclizations of Substrates Containing Two Radical Precursors and One Radical Acceptor Dennis P. Curran, Chien-Hsing Lin, Nicholas DeMello, and Jörg Junggebauer pp 342–351 DOI: 10.1021/ja9724102 Supporting Info

Redox, Magnetic, and Structural Properties of 1,3,2-Dithiazolyl Radicals. A Case Study on the Ternary Heterocycle S3N5C4 T. M. Barclay, A. W. Cordes, N. A. George, R. C. Haddon, M. E. Itkis, M. S. Mashuta, R. T. Oakley, G. W. Patenaude, R. W. Reed, J. F. Richardson, and H. Zhang pp 352–360 DOI: 10.1021/ja973338a Supporting Info

Computational Evidence of the Importance of Substituent Bulk on Agostic Interactions in Ir(H)2(PtBu2Ph)2+ Gregori Ujaque, Alan C. Cooper, Feliu Maseras, Odile Eisenstein, and Kenneth G. Caulton pp 361–365 DOI: 10.1021/ja9729894

Potential Dependent Alignment and Hydrogen Bonding of Water Molecules at Charged Air/Water and CCl4/Water Interfaces D. E. Gragson and G. L. Richmond pp 366–375 DOI: 10.1021/ja972570d

Chemistry of the 2,5-Didehydropyridine Biradical:  Computational, Kinetic, and Trapping Studies toward Drug Design Johannes Hoffner, Marc J. Schottelius, Derek Feichtinger, and Peter Chen pp 376–385 DOI: 10.1021/ja9730223 Supporting Info

Paterno−Büchi Coupling of (Diaryl)acetylenes and Quinone via Photoinduced Electron Transfer E. Bosch, S. M. Hubig, and J. K. Kochi pp 386–395 DOI: 10.1021/ja9727530 Supporting Info

Quenching of Singlet Oxygen by Oxygen- and Sulfur-Centered Radicals:  Evidence for Energy Transfer to Peroxyl Radicals in Solution Alexandre P. Darmanyan, Daniel D. Gregory, Yushen Guo, William S. Jenks, Laure Burel, Dominique Eloy, and Pierre Jardon pp 396–403 DOI: 10.1021/ja9730831 Supporting Info

Large Curvature Tunneling Effects Reveal Concerted Hydrogen Exchange Rates in Cyclic Hydrogen Fluoride Clusters Comparable to Carboxylic Acid Dimers Thomas Loerting, Klaus R. Liedl, and Bernd M. Rode pp 404–412 DOI: 10.1021/ja972799t

Highly Regioselective Lewis Acid-Mediated Aldol Additions at the More Encumbered α-Side of Unsymmetrical Ketones Rainer Mahrwald and Bilgi Gündogan pp 413–414 DOI: 10.1021/ja973453l

Synthesis and Characterization of Silica-Stabilized Chromium(IV) Alkylidene Complexes Jamila Amor Nait Ajjou, Susannah L. Scott, and Valérie Paquet pp 415–416 DOI: 10.1021/ja973177a

Synthesis of a Tetrametallic Acetylene. X-ray Structures of [{(CO)3Mo(μ-S2CPCy3)Mn(CO)3}2- (μ4-η1:η1:η1‘:η1‘-C2)] and [[(CO)3Mo(μ-CCPh)(μ-S2CPCy3)Mn(CO)3] Daniel Miguel, Marta Moreno, Julio Pérez, and Víctor RieraDavid George Churchill and Melvyn Rowen ChurchillThomas S. Janik pp 417–418 DOI: 10.1021/ja9725155 Supporting Info

Stilbenoid Dimers:  Effect of Conjugation Length and Relative Chromophore Orientation Warren J. Oldham, Jr., Yi-Jun Miao, Rene J. Lachicotte, and Guillermo C. Bazan pp 419–420 DOI: 10.1021/ja973374+ Supporting Info

Ortholithiation of Anisole by n-BuLi−TMEDA:  Reaction via Disolvated Dimers Roger A. Rennels, Ashok J. Maliakal, and David B. Collum pp 421–422 DOI: 10.1021/ja972610d Supporting Info

Two-Dimensional Microphase Separation of a Block Copolymer in a Langmuir−Blodgett Film Jiro Kumaki and Takeji Hashimoto pp 423–424 DOI: 10.1021/ja973613t

An Agostic Alternative to the P-450 Rebound Mechanism James P. Collman, Allis S. Chien, Todd A. Eberspacher, and John I. Brauman pp 425–426 DOI: 10.1021/ja973111f Supporting Info

Hydrophobic Interactions in Aqueous Urea Solutions with Implications for the Mechanism of Protein Denaturation A. Wallqvist and D. G. CovellD. Thirumalai pp 427–428 DOI: 10.1021/ja972053v

Syntheses and Structural Characterizations of the First 16-, 17-, and 18-Electron Homoleptic Isocyanide Complexes of Vanadium:  Hexakis(2,6-dimethyl- phenyl isocyanide)vanadium(I, 0, −I)1 Mikhail V. Barybin, Victor G. Young, Jr., and John E. Ellis pp 429–430 DOI: 10.1021/ja9729239 Supporting Info

Catalytic Asymmetric Synthesis of Both Syn- and Anti-β-Amino Alcohols Shū Kobayashi, Haruro Ishitani, and Masaharu Ueno pp 431–432 DOI: 10.1021/ja973527t Supporting Info

A Unique Crystalline-State Reaction of an Overcrowded Distibene with Molecular Oxygen:  The First Example of a Single Crystal to a Single Crystal Reaction with an External Reagent Norihiro Tokitoh, Yoshimitsu Arai, Takahiro Sasamori, Renji Okazaki, Shigeru Nagase, Hidehiro Uekusa, and Yuji Ohashi pp 433–434 DOI: 10.1021/ja973295y Supporting Info

Direct Formation of β-Mannopyranosides and Other Hindered Glycosides from Thioglycosides David Crich and Sanxing Sun pp 435–436 DOI: 10.1021/ja9734814 Supporting Info

Stepwise Reduction of Dinitrogen to Nitride Assisted by Niobium Bonded to Oxygen Donor Atoms:  The Potential of Reduced Forms of Niobium Calix[4]arene Antonio Zanotti-Gerosa, Euro Solari, Luca Giannini, Carlo Floriani, Angiola Chiesi-Villa, and Corrado Rizzoli pp 437–438 DOI: 10.1021/ja9722584 Supporting Info

Cooperative Electron Transfer Fragmentation Reactions. Amplification of a Photoreaction through A Tandem Chain Fragmentation of Acceptor and Donor Pinacols Liaohai Chen, Lucian Lucia, and David G. Whitten pp 439–440 DOI: 10.1021/ja9718174

Regioselective Catalytic Asymmetric Reaction of Horner−Wadsworth−Emmons Reagents with Enones:  The Odyssey of Chiral Aluminum Catalysts Takayoshi Arai, Hiroaki Sasai, Kentaro Yamaguchi, and Masakatsu Shibasaki pp 441–442 DOI: 10.1021/ja973064r Supporting Info

Ultraviolet Resonance Raman Evidence for the Opening of a Water-Permeable Channel in the M to N Transition of Bacteriorhodopsin Shinji Hashimoto, Masato Sasaki, and Hideo Takeuchi pp 443–444 DOI: 10.1021/ja973187b

Catalytic Asymmetric Addition of ZnPh2 to Ketones:  Enantioselective Formation of Quaternary Stereocenters Peter I. Dosa and Gregory C. Fu pp 445–446 DOI: 10.1021/ja973169u Supporting Info

Parallel Polarization EPR Detection of an S1-State “Multiline” EPR Signal in Photosystem II Particles from Synechocystis sp. PCC 6803 Kristy A. Campbell, Jeffrey M. Peloquin, Donna P. Pham, Richard J. Debus, and R. David Britt pp 447–448 DOI: 10.1021/ja972693y

Trapping of the C5 Methylene Intermediate in Thymidylate Synthase J. E. Barrett, D. A. Maltby, D. V. Santi, and P. G. Schultz pp 449–450 DOI: 10.1021/ja973210t

Analysis of the Role of the Active Site Tyrosine in Human Glutathione Transferase A1-1 by Unnatural Amino Acid Mutagenesis Jon S. Thorson, Injae Shin, Eli Chapman, Gun Stenberg, Bengt Mannervik, and Peter G. Schultz pp 451–452 DOI: 10.1021/ja9731682 Supporting Info

A Rapid and Efficient Method for Identifying Photoaffinity Biotinylated Sites within Proteins Yasumaru Hatanaka, Makoto Hashimoto, and Yuichi Kanaoka pp 453–454 DOI: 10.1021/ja973056a

Novel Ligand-Unsupported Diruthenium Compounds, [Ru2(Cl4Cat)4]n- (Cl4Cat = Tetrachlorocatecholate; n = 2 and 3) Mitsuru Kondo, Mayumi Hamatani, and Susumu KitagawaCortlandt G. PierpontKei Unoura pp 455–456 DOI: 10.1021/ja973664q Supporting Info

Rational Design, Synthesis, and Evaluation of a New Type of PKC Inhibitor Mikiko Sodeoka, Midori A. Arai, Koji Adachi, Koichiro Uotsu, and Masakatsu Shibasaki pp 457–458 DOI: 10.1021/ja971270t Supporting Info

The Hydrovinylation Reaction:  A New Highly Selective Protocol Amenable to Asymmetric Catalysis Nobuyoshi Nomura, Jian Jin, Haengsoon Park, and T. V. RajanBabu pp 459–460 DOI: 10.1021/ja973548n Supporting Info

Issue 03

A Simple Proposal That Can Explain the Inactivity of Metal-Substituted Superoxide Dismutases C. K. Vance and A.-F. Miller pp 461–467 DOI: 10.1021/ja972060j Supporting Info

Design, Synthesis, and Properties of a Novel Cytochrome b Model Harald K. Rau and Wolfgang Haehnel pp 468–476 DOI: 10.1021/ja973018r

Methylene Arenium Cations via Quinone Methides and Xylylenes Stabilized by Metal Complexation Arkadi Vigalok, Linda J. W. Shimon, and David Milstein pp 477–483 DOI: 10.1021/ja972321p Supporting Info

Molecular Models of Nucleic Acid Triple Helixes.  I.  DNA and RNA Backbone Complexes A. R. Srinivasan and Wilma K. Olson pp 484–491 DOI: 10.1021/ja972720k Supporting Info

Molecular Models of Nucleic Acid Triple Helixes. II. PNA and 2‘-5‘ Backbone Complexes A. R. Srinivasan and Wilma K. Olson pp 492–499 DOI: 10.1021/ja972721c Supporting Info

Microfluidic Networks for Chemical Patterning of Substrates:  Design and Application to Bioassays Emmanuel Delamarche, André Bernard, Heinz Schmid, Alexander Bietsch, Bruno Michel, and Hans Biebuyck pp 500–508 DOI: 10.1021/ja973071f

Dearomatization of Furan:  Elementary Transformations of η2-Coordinated Furan Complexes of Pentaammineosmium(II) Huiyuan Chen, Ronggang Liu, W. H. Myers, and W. Dean Harman pp 509–520 DOI: 10.1021/ja972866j

Crystal Engineering Using the Unconventional Hydrogen Bond. Synthesis, Structure, and Theoretical Investigation of Cyclotrigallazane John P. Campbell, Jen-Wei Hwang, Victor G. Young, Jr., Robert B. Von Dreele, Christopher J. Cramer, and Wayne L. Gladfelter pp 521–531 DOI: 10.1021/ja971478e Supporting Info

New Pnictinogallanes [H2GaE(SiMe3)2]3 (E = P, As)Formation, Structural Characterization, and Thermal Decomposition to Afford Nanocrystalline GaP and GaAs Jerzy F. Janik, Richard L. Wells, Victor G. Young, Jr., Arnold L. Rheingold, and Ilia A. Guzei pp 532–537 DOI: 10.1021/ja9731837 Supporting Info

A Multiple-Process Equilibrium Analysis of Silica Gel and HZSM-5 Russell S. Drago, Charles Edwin Webster, and J. Michael McGilvray pp 538–547 DOI: 10.1021/ja972466w

Mechanism of H−H Activation by Nickel−Iron Hydrogenase Maria Pavlov, Per E. M. Siegbahn, Margareta R. A. Blomberg, and Robert H. Crabtree pp 548–555 DOI: 10.1021/ja971681+

C60 Dimers:  A Route to Endohedral Fullerene Compounds? Serguei Patchkovskii and Walter Thiel pp 556–563 DOI: 10.1021/ja972456v Supporting Info

Methane−Methanol Conversion by MnO+, FeO+, and CoO+:  A Theoretical Study of Catalytic Selectivity Kazunari Yoshizawa, Yoshihito Shiota, and Tokio Yamabe pp 564–572 DOI: 10.1021/ja971723u Supporting Info

Gauche, Ortho, and Anti Conformations of Saturated A4X10 Chains:  When Will All Six Conformers Exist? Frank Neumann, Hiroyuki Teramae, John W. Downing, and Josef Michl pp 573–582 DOI: 10.1021/ja971406n Supporting Info

Complexation of Copper by Cyclohexadienyl Radicals in Cu/ZSM-5 Zeolite Martina Stolmár and Emil Roduner pp 583–584 DOI: 10.1021/ja973638s

Crystallization of Solid-State Materials in Nonaqueous Gels. 1. Silver Bromide Kenneth M. Doxsee, Roger C. Chang, and Eddy ChenAllan S. Myerson and Dongping Huang pp 585–586 DOI: 10.1021/ja9704343 Supporting Info

Fusicoccin Ring System by [4 + 4] Cycloaddition. Control of Diastereoselectivity through Hydrogen Bonding Scott McN. Sieburth, Kevin F. McGee Jr., and Taleb H. Al-Tel pp 587–588 DOI: 10.1021/ja973422q Supporting Info

A Vapochromic LED Yoshihito Kunugi, Kent R. Mann, Larry L. Miller, and Christopher L. Exstrom pp 589–590 DOI: 10.1021/ja973627z

Total Synthesis of the Novel, Immunosuppressive Agent (−)-Pateamine A from Mycale sp. Employing a β-Lactam-Based Macrocyclization Robert M. Rzasa, Helene A. Shea, and Daniel Romo pp 591–592 DOI: 10.1021/ja973549f Supporting Info

Transient Spectroscopy of a Derivative of 2,2-Difluoro-1,3-diphenylcyclopentane-1,3-diylA Persistent Localized Singlet 1,3-Diradical Waldemar Adam, Weston Thatcher Borden, Clemens Burda, Heather Foster, Thomas Heidenfelder, Markus Heubes, David A. Hrovat, Fumio Kita, Scott B. Lewis, Dieter Scheutzow, and Jakob Wirz pp 593–594 DOI: 10.1021/ja972977i

Atomic Structure of the Trypsin−Aeruginosin 98-B Complex Benjamin Sandler, Masahiro Murakami, and Jon Clardy pp 595–596 DOI: 10.1021/ja972991v Supporting Info

Structure of Thrombin Inhibited by Aeruginosin 298-A from a Blue-Green Alga Jorge L. Rios Steiner, Masahiro Murakami, and Alexander Tulinsky pp 597–598 DOI: 10.1021/ja973038t

Mercurycyclopentadienyl Derivatives Are Not Always Fluxional Peter B. Hitchcock, Julian M. Keates, and Gerard A. Lawless pp 599–600 DOI: 10.1021/ja972093z Supporting Info

Ternary Complexation Involving Protein. Molecular Transport to Saccharide-Binding Proteins Using Macrocyclic Saccharide Cluster as Specific Transporter Takako Fujimoto, Chikao Shimizu, Osamu Hayashida, and Yasuhiro Aoyama pp 601–602 DOI: 10.1021/ja972966p

Carbon Nanotube Tips:  High-Resolution Probes for Imaging Biological Systems Stanislaus S. Wong, James D. Harper, Peter T. Lansbury, Jr., and Charles M. Lieber pp 603–604 DOI: 10.1021/ja9737735

The Cyclopropylalkylidenecyclopropane Thermal Double Ring Expansion. A Novel Route to the Bicyclo[5.3.1]undecane Skeleton of the AB Ring System of Taxanes1 Hong Liu, Craig A. Shook, James A. Jamison, Mohan Thiruvazhi, and Theodore Cohen pp 605–606 DOI: 10.1021/ja973232f Supporting Info

Enzymatic Synthesis of Region-Specific Isotope-Labeled DNA Oligomers for NMR Analysis Georges Mer and Walter J. Chazin pp 607–608 DOI: 10.1021/ja973267f Supporting Info

Exploiting Polypeptide Motifs for the Design of Selective Cu(II) Ion Chemosensors Alicia Torrado, Grant K. Walkup, and Barbara Imperiali pp 609–610 DOI: 10.1021/ja973357k Supporting Info

Made-to-Order Assembling of [2]Catenanes from Palladium(II)-Linked Rectangular Molecular Boxes Makoto Fujita, Masaru Aoyagi, Fumiaki Ibukuro, Katsuyuki Ogura, and Kentaro Yamaguchi pp 611–612 DOI: 10.1021/ja973171l Supporting Info

Advances in DNA Sequence Specific Agents, Vol. 2 Edited by Laurence H. Hurley (University of Texas at Austin). JAI Press:  London. 1996. x + 246 pp. $109.50. ISBN 1-55938-166-3. Dexter S. Moore p 613 DOI: 10.1021/ja975505c

Desk Reference of Functional Polymers:  Synthesis and Applications Edited by Reza Arshady (Imperial College of Science, Technology & Medicine). ACS:  Washington, DC. 1997. xviii + 820 pp. $194.95. ISBN 0-8412-3469-8. Andrew G. Sykes p 613 DOI: 10.1021/ja9756230

Microbeam and Nanobeam Analysis (Mikrochimica Acta, Supplement 13) Edited by D. Benoit (Beauchamp, France), J.-F. Bresse (CNET France Telecom, Bagneux, France), L. Van't dack (University of Antwerp (UIA), Antwerp-Wilrijk, Belgium), H. Werner (Waarle, The Netherlands), and J. Wernisch (Technische Universität, Wien, Austria). Springer-Verlag:  Vienna and New York. 1996. xi + 643 pp. DM252.00. ISBN 3-211-82874-5. Don Elthon pp 613–614 DOI: 10.1021/ja975540j

Transition Metal Sulfur Chemistry:  Biological and Industrial Significance Edited by Edward I. Stiefel (Exxon Research & Engineering) and Kazuko Matsumoto (Waseda University). ACS:  Washington, DC. 1996. xi + 358 pp. $109.95 ISBN 0-8412-3476-0. Sharon J. Nieter Burgmayer p 614 DOI: 10.1021/ja975548t

Advances in Nitrogen Heterocycles, Vol. 2 Edited by Christopher J. Moody (Loughborough University). JAI Press:  Greenwich, CT. 1996. ix + 300 pp. $109.50. ISBN 0-7623-0056-6. Raymond P. Panzica p 614 DOI: 10.1021/ja9755830

Handbook of Hydroxyacetophenones By Robert Martin. Kluwer Academic:  Dordrecht. 1997. xi + 532 pp. $272.00. ISBN 0-7923-4564-9. p 614 DOI: 10.1021/ja975684y

The Physics of Polymers:  Concepts for Understanding Their Structures and Behavior, Second Corrected Edition By Gert R. Strobl (Albert-Ludwigs Universitat). Springer:  Newark. 1997. $39.00. xi + 439 pp. ISBN 3-540-63203-4. p 614 DOI: 10.1021/ja975685q

Issue 04

15N NMR of RNA Fragments Containing Specifically Labeled GU and GC Pairs Xiaohu Zhang, Barbara L. Gaffney, and Roger A. Jones pp 615–618 DOI: 10.1021/ja972368a Supporting Info

Molecular Dynamics of Duplex Systems Involving PNA:  Structural and Dynamical Consequences of the Nucleic Acid Backbone Srikanta Sen and Lennart Nilsson pp 619–631 DOI: 10.1021/ja972234x Supporting Info

Oxidation of DNA and RNA by Oxoruthenium(IV) Metallointercalators:  Visualizing the Recognition Properties of Dipyridophenazine by High-Resolution Electrophoresis Pamela J. Carter, Chien-Chung Cheng, and H. Holden Thorp pp 632–642 DOI: 10.1021/ja9729589 Supporting Info

Living CO/Olefin Alternating Copolymerizations of Electron-Poor Bicyclic Olefins Initiated by Neutral Palladium(II) Alkyl Complexes:  A Route to the Perfectly Alternating Copolymer of CO and Acetylene Adam L. Safir and Bruce M. Novak pp 643–650 DOI: 10.1021/ja972713w Supporting Info

Self-Assembling Cyclic β3-Peptide Nanotubes as Artificial Transmembrane Ion Channels Thomas D. Clark, Lukas K. Buehler, and M. Reza Ghadiri pp 651–656 DOI: 10.1021/ja972786f

Highly Regio- and Enantioselective Catalytic Hydrogenation of Enamides in Conjugated Diene Systems:  Synthesis and Application of γ,δ-Unsaturated Amino Acids Mark J. Burk, John G. Allen, and William F. Kiesman pp 657–663 DOI: 10.1021/ja9731074 Supporting Info

Synthesis, Morphology, and Field-Effect Mobility of Anthradithiophenes Joyce G. Laquindanum, Howard E. Katz, and Andrew J. Lovinger pp 664–672 DOI: 10.1021/ja9728381

Hindered Rotation in Diphenylmethane Derivatives. Electrostatic vs Charge-Transfer and Homoconjugative Aryl−Aryl Interactions A. García Martínez, J. Osío Barcina, A. de Fresno Cerezo, and R. Gutiérrez Rivas pp 673–679 DOI: 10.1021/ja971388+ Supporting Info

On the Origin of Substrate Directing Effects in the Epoxidation of Allyl Alcohols with Peroxyformic Acid Robert D. Bach, Carlos M. Estévez, Julia E. Winter, and Mikhail N. Glukhovtsev pp 680–685 DOI: 10.1021/ja9717976 Supporting Info

Molecular Configuration at the Solid−Solid Interface:  Twinning in Saccharin Crystals H. F. Lieberman, L. Williams, R. J. Davey, and R. G. Pritchard pp 686–691 DOI: 10.1021/ja971844u Supporting Info

Interphylal Product Splicing:  The First Total Syntheses of Cephalostatin 1, the North Hemisphere of Ritterazine G, and the Highly Active Hybrid Analogue, Ritterostatin GN1N1 Thomas G. LaCour, Chuangxing Guo, Sudhakar Bhandaru, Michael R. Boyd, and P. L. Fuchs pp 692–707 DOI: 10.1021/ja972160p Supporting Info

Synthesis of Optically Active α-Hydroxy Carbonyl Compounds by the Catalytic, Enantioselective Oxidation of Silyl Enol Ethers and Ketene Acetals with (Salen)manganese(III) Complexes Waldemar Adam, Rainer T. Fell, Veit R. Stegmann, and Chantu R. Saha-Möller pp 708–714 DOI: 10.1021/ja9726668 Supporting Info

Highly Controlled Chemoselectivity of Tin Enolate by Its Hybridization State. Anionic Complex of Tin Enolate Coordinated by Tetrabutylammonium Bromide as Halo Selective Reagent Makoto Yasuda, Keiko Hayashi, Yasuhiro Katoh, Ikuya Shibata, and Akio Baba pp 715–721 DOI: 10.1021/ja972190s

Kinetic Addition of Nucleophiles to η3-Propargyl Rhenium Complexes Occurs at the Central Carbon to Produce Rhenacyclobutenes Charles P. Casey, John R. Nash, Chae S. Yi, Anthony D. Selmeczy, Steven Chung, Douglas R. Powell, and Randy K. Hayashi pp 722–733 DOI: 10.1021/ja9729847 Supporting Info

Template Synthesis of Near-Monodisperse1 Microscale Nanofibers and Nanotubules of MoS2 Catherine M. Zelenski and Peter K. Dorhout pp 734–742 DOI: 10.1021/ja972170q

Circular Dichroism and Magnetic Circular Dichroism Spectroscopic Studies of the Non-Heme Ferrous Active Site in Clavaminate Synthase and Its Interaction with α-Ketoglutarate Cosubstrate Elizabeth G. Pavel, Jing Zhou, Robert W. Busby, Michele Gunsior, Craig A. Townsend, and Edward I. Solomon pp 743–753 DOI: 10.1021/ja972408a

One-Electron Reduction of Aromatic Ketones by Low-Valent Lanthanides. Isolation, Structural Characterization, and Reactivity of Lanthanide Ketyl Complexes Zhaomin Hou, Akira Fujita, Yugen Zhang, Takanori Miyano, Hiroshi Yamazaki, and Yasuo Wakatsuki pp 754–766 DOI: 10.1021/ja973184z Supporting Info

Structural Changes of Surface Layer of Vanadyl Pyrophosphate Catalysts by Oxidation−Reduction and Their Relationships with Selective Oxidation of n-Butane Gaku Koyano, Toshio Okuhara, and Makoto Misono pp 767–774 DOI: 10.1021/ja964437b

Oxidation of Alkenes, Sulfides, Amines, and Phosphines with Peroxynitrous Acid:  Comparison with Other Oxidants Such as Peroxyformic Acid and Dimethyldioxirane Robert D. Bach, Mikhail N. Glukhovtsev, and Carlo Canepa pp 775–783 DOI: 10.1021/ja972518h

129Xe and 1H NMR Study of the Reversible Trapping of Xenon by Cryptophane-A in Organic Solution Kristin Bartik, Michel Luhmer, Jean-Pierre Dutasta, André Collet, and Jacques Reisse pp 784–791 DOI: 10.1021/ja972377j

Propensity for Helix Formation in the Hydrophobic Peptides K2(LA)x (x = 6, 8, 10, 12) in Monolayer, Bulk, and Lipid-Containing Phases. Infrared and Circular Dichroism Studies Darline Dieudonné, Arne Gericke, Carol R. Flach, Xin Jiang, Ramy S. Farid, and Richard Mendelsohn pp 792–799 DOI: 10.1021/ja9724046

Determination of the Stable Microstates of a Peptide from NOE Distance Constraints and Optimization of Atomic Solvation Parameters Canan Baysal and Hagai Meirovitch pp 800–812 DOI: 10.1021/ja973124t

Conceptually New Directed Aldol Condensation Using Aluminum Tris(2,6-diphenylphenoxide) Susumu Saito, Masahito Shiozawa, Masahiro Ito, and Hisashi Yamamoto pp 813–814 DOI: 10.1021/ja972765l Supporting Info

Asymmetric O- and C-Alkylation of Phenols Barry M. Trost and F. Dean Toste pp 815–816 DOI: 10.1021/ja972453i Supporting Info

Antibody Catalyzed Cleavage of an Amide Bond Using an External Nucleophilic Cofactor Oguz Ersoy, Roman Fleck, Anthony Sinskey, and Satoru Masamune pp 817–818 DOI: 10.1021/ja9732542

Structural Rules Governing Self-Assembly Emerge from New Molecular Capsules José M. Rivera, Tomás Martín, and Julius Rebek, Jr. pp 819–820 DOI: 10.1021/ja973341u Supporting Info

Measurement of Deoxyribose 3JHH Scalar Couplings Reveals Protein Binding-Induced Changes in the Sugar Puckers of the DNA Thomas Szyperski, César Fernández, Akira Ono, Masatsune Kainosho, and Kurt Wüthrich pp 821–822 DOI: 10.1021/ja973055i

Ethylene Rearrangements to MC, MC, and MC Functionalities over a Tungsten−Oxo Surface Illustrated by the W(IV) Calix[4]arene Fragment Luca Giannini, Euro Solari, Carlo Floriani, Angiola Chiesi-Villa, and Corrado Rizzoli pp 823–824 DOI: 10.1021/ja9734206 Supporting Info

Biomimetic Aerobic Polymerization of Vinyl Monomers J. Jayaseharan and K. Kishore pp 825–826 DOI: 10.1021/ja971335s Supporting Info

Palladium-Catalyzed C−N(sp2) Bond Formation:  N-Arylation of Aromatic and Unsaturated Nitrogen and the Reductive Elimination Chemistry of Palladium Azolyl and Methyleneamido Complexes Grace Mann, John F. Hartwig, Michael S. Driver, and Carolina Fernández-Rivas pp 827–828 DOI: 10.1021/ja973524g Supporting Info

Structure of the YD Tyrosine Radical in Photosystem II. Determination of the Orientation of the Phenoxyl Ring by Enantioselective Deuteration of the Methylene Group S. A. M. Nieuwenhuis, R. J. Hulsebosch, J. Raap, P. Gast, J. Lugtenburg, and A. J. Hoff pp 829–830 DOI: 10.1021/ja971874x

Divergent Pathways in the Rearrangement of Tricyclo[3.3.0.02,4]octanes (Housanes) on Chemical Electron Transfer (CET) versus Acid Catalysis:  A Comparison of Radical Cations and Carbocations Waldemar Adam, Vera-Iris Handmann, Fumio Kita, and Thomas Heidenfelder pp 831–832 DOI: 10.1021/ja9732340

Spontaneous Hydrolysis of Ionized Phosphate Monoesters and Diesters and the Proficiencies of Phosphatases and Phosphodiesterases as Catalysts Richard Wolfenden, Caroline Ridgway, and Gregory Young pp 833–834 DOI: 10.1021/ja9733604

The First Crystallographically Characterized Transition Metal Buckybowl Compound:  C30H12 Carbon−Carbon Bond Activation by Pt(PPh3)2 Raef M. Shaltout, Renata Sygula, Andrzej Sygula, Frank R. Fronczek, George G. Stanley, and Peter W. Rabideau pp 835–836 DOI: 10.1021/ja973454d Supporting Info

Apparent Catalytic Generation of Chiral Metal Enolates:  Enantioselective Dienolate Additions to Aldehydes Mediated by Tol-BINAP·Cu(II) Fluoride Complexes Jochen Krüger and Erick M. Carreira pp 837–838 DOI: 10.1021/ja973331t Supporting Info

Half-Integer-Spin Small Molecule Magnet Exhibiting Resonant Magnetization Tunneling Sheila M. J. Aubin, Neil R. Dilley, Michael W. Wemple, M. Brian Maple, George Christou, and David N. Hendrickson pp 839–840 DOI: 10.1021/ja973384a

Stereoselectivity of the Thia-Sommelet [2,3]-Dearomatization Richard Berger, Joseph W. Ziller, and David L. Van Vranken pp 841–842 DOI: 10.1021/ja973734t Supporting Info

Photosensitization of TiO2 by [FeII(2,2‘-bipyridine-4,4‘-dicarboxylic acid)2(CN)2]:  Band Selective Electron Injection from Ultra-Short-Lived Excited States Suzanne Ferrere and Brian A. Gregg pp 843–844 DOI: 10.1021/ja973504e Supporting Info

Effect of Guanine Stacking on the Oxidation of 8-Oxoguanine in B-DNA Ferran Prat, K. N. Houk, and Christopher S. Foote pp 845–846 DOI: 10.1021/ja972331q

MacSpartan Plus Wavefunction, Inc., 18401 Von Karman, Suite 370, Irvine, CA 92612. Phone:  (714) 995-2120. E-mail: sales@wavefun.com, http://www.wavefun.com. Pricing:  academic $449, government $749, commercial $999 Cyndi Wells and John T. McDevitt p 847 DOI: 10.1021/ja975901v

Growth of Crystals. Volume 20 Edited by E. I. Givargizov and A. M. Melnikova (Russian Academy of Sciences, Moscow). Plenum:  New York and London. 1996. vii + 169 pp. $95.00. ISBN 0-306-18120-7. James K. Baird pp 847–848 DOI: 10.1021/ja965670c

Solvent Effects and Chemical Reactivity Edited by O. Tapia (University of Uppsala, Sweden) and J. Bertrán (Universitat Autònoma de Barcelona). Kluwer Academic Publishers: Dordrecht, The Netherlands. 1996. X + 377 pp. ISBN O-7923-3995-9. Jean-Louis Rivail p 848 DOI: 10.1021/ja965788t

Annual Review of Physical Chemistry, Vol. 48 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. 1997. x + 875 pp. $64.00. ISBN 0-8243-1048-9. p 848 DOI: 10.1021/ja9756883

Kirk-Othmer Encyclopedia of Chemical Technology, Volume 23, Sugar to Thin Films Edited by Jacqueline I. Kroschwitz and Mary Howe-Grant. Wiley/VCH:  New York. 1997. xxviii + 1118 pp. $325.00. ISBN 0-471-52692-4. p 848 DOI: 10.1021/ja975689v

Issue 05

EXAFS Characterization of the Intermediate X Generated During the Assembly of the Escherichia coli Ribonucleotide Reductase R2 Diferric Tyrosyl Radical Cofactor Pamela J. Riggs-Gelasco, Lijin Shu, Shuxian Chen, Doug Burdi, Boi Hanh Huynh, Lawrence Que, Jr., and JoAnne Stubbe pp 849–860 DOI: 10.1021/ja9718230 Supporting Info

Site Valencies and Spin Coupling in the 3Fe and 4Fe (S = 1/2) Clusters of Pyrococcus furiosus Ferredoxin by 57Fe ENDOR Joshua Telser, Heshu Huang, Hong-In Lee, Michael W. W. Adams, and Brian M. Hoffman pp 861–870 DOI: 10.1021/ja971546x Supporting Info

Deciphering the Cryptoregiochemistry of Oleate Δ12 Desaturase:  A Kinetic Isotope Effect Study Peter H. Buist and Behnaz Behrouzian pp 871–876 DOI: 10.1021/ja971362i

Are Both the (R)- and the (S)-MPA Esters Really Needed for the Assignment of the Absolute Configuration of Secondary Alcohols by NMR? The Use of a Single Derivative Shamil K. Latypov, José M. Seco, Emilio Quiñoá, and Ricardo Riguera pp 877–882 DOI: 10.1021/ja9700055

Polymer Concentration-Controlled Substrate Specificity in Solvolysis of p-Nitrophenyl Alkanoates Catalyzed by 4-(Dialkylamino)pyridine-Functionalized Polymer in Aqueous Methanol Solution Guang-Jia Wang and Wilmer K. Fife pp 883–887 DOI: 10.1021/ja970407c

Mechanistic Studies of the Palladium-Catalyzed Copolymerization of Ethylene and α-Olefins with Methyl Acrylate Stefan Mecking, Lynda K. Johnson, Lin Wang, and Maurice Brookhart pp 888–899 DOI: 10.1021/ja964144i

How Electrophilic Are Cobalt Carbonyl Stabilized Propargylium Ions? Oliver Kuhn, Doris Rau, and Herbert Mayr pp 900–907 DOI: 10.1021/ja9726264 Supporting Info

Catalytic Asymmetric Syntheses of Antifungal Sphingofungins and Their Biological Activity as Potent Inhibitors of Serine Palmitoyltransferase (SPT) Shū Kobayashi, Takayuki Furuta, Takaomi Hayashi, Masahiro Nishijima, and Kentaro Hanada pp 908–919 DOI: 10.1021/ja9730829 Supporting Info

Constitutionally Asymmetric and Chiral [2]Pseudorotaxanes1 Masumi Asakawa, Peter R. Ashton, Wayne Hayes, Henk M. Janssen, E. W. Meijer, Stephan Menzer, Dario Pasini, J. Fraser Stoddart, Andrew J. P. White, and David J. Williams pp 920–931 DOI: 10.1021/ja970018i Supporting Info

Alkene Complexes of Divalent and Trivalent Ruthenium Stabilized by Chelation. Dependence of Coordinated Alkene Orientation on Metal Oxidation State Martin A. Bennett, Graham A. Heath, David C. R. Hockless, Ivan Kovacik, and Anthony C. Willis pp 932–941 DOI: 10.1021/ja973282k Supporting Info

Density Functional Calculations of 19-Electron Organometallic Molecules. A Comparison of Calculated and Observed Anisotropic Hyperfine Coupling Constants for the CpCo(CO)2- Anion. Implications for Determining Orbital Spin Populations from EPR Data Dale A. Braden and David R. Tyler pp 942–947 DOI: 10.1021/ja971800l Supporting Info

The Mechanistic Basis for Electronic Effects on Enantioselectivity in the (salen)Mn(III)-Catalyzed Epoxidation Reaction Michael Palucki, Nathaniel S. Finney, Paul J. Pospisil, Mehmet L. Güler, Toyohisa Ishida, and Eric N. Jacobsen pp 948–954 DOI: 10.1021/ja973468j Supporting Info

Raman Signature of the Fe2O2 “Diamond” Core Elizabeth C. Wilkinson, Yanhong Dong, Yan Zang, Hiroshi Fujii, Robert Fraczkiewicz, Grazyna Fraczkiewicz, Roman S. Czernuszewicz, and Lawrence Que, Jr. pp 955–962 DOI: 10.1021/ja973220u

Quantitative Description of the Facial Discrimination of Molecules Containing a Prochiral Group by NMR in a Chiral Liquid Crystal D. Merlet, A. Loewenstein, W. Smadja, J. Courtieu, and P. Lesot pp 963–969 DOI: 10.1021/ja9726466

A 1- and 2-D 19F MAS NMR Study of Fluoride-Ion Mobility in α PbF2 Francis Wang and Clare P. Grey pp 970–980 DOI: 10.1021/ja972312g

Co- and Counterrotation of Magnetic Axes and Axial Ligands in Low-Spin Ferriheme Systems Nikolai V. Shokhirev and F. Ann Walker pp 981–990 DOI: 10.1021/ja972265s

Porphyrin and Ligand Protons as Internal Labels for Determination of Ligand Orientation in ESEEMS of Low-Spin d5 Complexes in Glassy Media:  ESEEM Studies of the Orientation of the g Tensor with Respect to the Planes of Axial Ligands and Porphyrin Nitrogens of Low-Spin Ferriheme Systems Arnold M. Raitsimring and F. Ann Walker pp 991–1002 DOI: 10.1021/ja9722640

How Long Can You Make an Oxygen Chain? Daniel J. Mckay and James S. Wright pp 1003–1013 DOI: 10.1021/ja971534b

Electronic Structure and Molecular Conformation in the Excited Charge Transfer Singlet States of 9-Acridyl and Other Aryl Derivatives of Aromatic Amines Jerzy Herbich and Andrzej Kapturkiewicz pp 1014–1029 DOI: 10.1021/ja972474c

Q-band Electron Nuclear Double Resonance of Ferric Bleomycin and Activated Bleomycin Complexes with DNA:  Fe(III) Hyperfine Interaction with 31P and DNA-Induced Perturbation to Bleomycin Structure Andrei Veselov, Richard M. Burger, and Charles P. Scholes pp 1030–1033 DOI: 10.1021/ja972138w Supporting Info

Synthesis and Dynamic Properties of Cycloheptatrienyl(dipropyl)borane. Equilibrium with 7-Dipropylborylnorcaradiene Ilya D. Gridnev, Oleg L. Tok, Natalya A. Gridneva, Yuri N. Bubnov, and Peter R. Schreiner pp 1034–1043 DOI: 10.1021/ja9724699

Unusually Strong Dependence of Conformation on Solvent Charles L. Perrin, Miles A. Fabian, and Ignacio A. Rivero pp 1044–1047 DOI: 10.1021/ja9727272

Oxygen-Rich Oxidase Enzyme Electrodes for Operation in Oxygen-Free Solutions Joseph Wang and Fang Lu pp 1048–1050 DOI: 10.1021/ja972759p

Ab Initio Calculations of the Electron-Transfer Matrix Element in CuI−CuII Mixed-Valence Compounds Carmen Jiménez Calzado and Javier Fernández Sanz* pp 1051–1061 DOI: 10.1021/ja972454a

Electrochemical Measurement of the Free Energy of Adsorption of n-Alkanethiolates at Ag(111) David W. Hatchett, Rory H. Uibel, Keith J. Stevenson, Joel M. Harris, and Henry S. White pp 1062–1069 DOI: 10.1021/ja972617v

Complex of Dinitrogen with Trivalent Uranium Paul Roussel and Peter Scott pp 1070–1071 DOI: 10.1021/ja972933+ Supporting Info

Catalytic Enantioselective Reductive Amination in a Host−Guest System Based on a Protein Cavity Hao Kuang and Mark D. Distefano pp 1072–1073 DOI: 10.1021/ja972771h Supporting Info

[36](1,2,3,4,5,6)CyclophaneA Molecular Pinwheel and Its Correlated Inversion:  NMR and Energetic Considerations Holger F. Bettinger, Paul v. R. Schleyer, and Henry F. Schaefer III pp 1074–1075 DOI: 10.1021/ja9722178

Solid−Liquid Electron Density Transfer in Aqueous Char Suspensions by 1H-Pulsed Dynamic Nuclear Polarization at Low Magnetic Field B. M. Odintsov, R. L. Belford, P. J. Ceroke, and R. B. Clarkson pp 1076–1077 DOI: 10.1021/ja9640105

REAPDOR NMR Spectroscopy and Location of Cations in Molecular Sieves S. Ganapathy and S. Vega pp 1078–1079 DOI: 10.1021/ja971472p Supporting Info

A Novel Mode of Inclusion for Pyrene in β- Cyclodextrin Compounds:  The Crystal Structures of β-Cyclodextrin with Cyclohexanol and Pyrene, and with n-Octanol and Pyrene Konstantin A. Udachin and John A. Ripmeester pp 1080–1081 DOI: 10.1021/ja972156d Supporting Info

Synthesis of Branched Polyolefins Using a Combination of Homogeneous Metallocene Mimics Richard W. Barnhart and Guillermo C. BazanThomas Mourey pp 1082–1083 DOI: 10.1021/ja9735867 Supporting Info

Photodegradation of Polysilane Polymers by Nonresonant Two-Photon Excitation Takashi Miyazawa, Titao Saeki, Chengyou Liu, and Mitsuo Kira pp 1084–1085 DOI: 10.1021/ja973135m Supporting Info

Asymmetric Activation of Racemic Ruthenium(II) Complexes for Enantioselective Hydrogenation Takeshi Ohkuma, Henri Doucet, Trang Pham, Koichi Mikami, Toshinobu Korenaga, Masahiro Terada, and Ryoji Noyori pp 1086–1087 DOI: 10.1021/ja972897e Supporting Info

Modulation of Carbenic Reactivity by π-Complexation to Aromatics Robert A. Moss, Shunqi Yan, and Karsten Krogh-Jespersen pp 1088–1089 DOI: 10.1021/ja973649l

Biomimetic Diels−Alder Cyclizations for the Construction of the Brevianamide, Paraherquamide Sclerotamide, and VM55599 Ring Systems Robert M. Williams, Juan F. Sanz-Cervera, Félix Sancenón, J. Alberto Marco, and Kathleen Halligan pp 1090–1091 DOI: 10.1021/ja972998c Supporting Info

Primer Unit Specificity in Rifamycin Biosynthesis Principally Resides in the Later Stages of the Biosynthetic Pathway Daniel Hunziker, Tin-Wein Yu, C. Richard Hutchinson, Heinz G. Floss, and Chaitan Khosla pp 1092–1093 DOI: 10.1021/ja9736368 Supporting Info

Engineering the Diiron Site of Escherichia coli Ribonucleotide Reductase Protein R2 to Accumulate an Intermediate Similar to Hperoxo, the Putative Peroxodiiron(III) Complex from the Methane Monooxygenase Catalytic Cycle J. Martin Bollinger, Jr., Carsten Krebs, Armeria Vicol, Shuxian Chen, Brenda A. Ley, Dale E. Edmondson, and Boi Hanh Huynh pp 1094–1095 DOI: 10.1021/ja973651c

Tandem Hetero-Catenation:  Templating and Self-Assembly in the Mutual Closure of Two Different Interlocking Rings Darren G. Hamilton, Neil Feeder, Luca Prodi, Simon J. Teat, William Clegg, and Jeremy K. M. Sanders pp 1096–1097 DOI: 10.1021/ja9731884 Supporting Info

Enantioselective Enolborination Dale E. Ward and Wan-Li Lu pp 1098–1099 DOI: 10.1021/ja973686c Supporting Info

Conversion of a Metallacyclobutene to Cobalt−Allene Complexes Joseph M. O'Connor, Ming-Chou Chen, Bella S. Fong, Anna Wenzel, and Peter GantzelArnold L. Rheingold and Ilia A. Guzei pp 1100–1101 DOI: 10.1021/ja9735259 Supporting Info

Rates of Intramolecular Electron Transfer in Ru(bpy)2(im)(His83)-Modified Azurin Increase below 220 K Lars K. SkovTorbjörn Pascher, Jay R. Winkler, and Harry B. Gray pp 1102–1103 DOI: 10.1021/ja972540a Supporting Info

Asymmetric Molybdenum-Catalyzed Alkylations Barry M. Trost and Iwao Hachiya pp 1104–1105 DOI: 10.1021/ja973298a Supporting Info

Persistent High-Spin Polycarbene. Generation of Polybrominated 1,3,5-Tris-[2-[4-(Phenylcarbeno)-phenyl]ethynyl]benzene (S = 3) and Spin Identification by Two-Dimensional Electron Spin Transient Nutation Spectroscopy Hideo Tomioka, Makoto Hattori, Katsuyuki Hirai, Kazunobu Sato, Daisuke Shiomi, Takeji Takui, and Koichi Itoh pp 1106–1107 DOI: 10.1021/ja9717929 Supporting Info

Cleavage of Carbon−Sulfur Bonds of Benzothiophene and Dibenzothiophene Mediated by Trinuclear Pentahydride Complex of Ruthenium {(η5-C5Me5)Ru}3(μ-H)3(μ3-H)2 Kouki Matsubara, Rei Okamura, Masako Tanaka, and Hiroharu Suzuki pp 1108–1109 DOI: 10.1021/ja972893+ Supporting Info

Theoretical Proposal of a Catalytic Mechanism for the HIV-1 Protease Involving an Enzyme-Bound Tetrahedral Intermediate Alessandro Venturini, Fernando López-Ortiz, Julia M. Alvarez, and Javier González pp 1110–1111 DOI: 10.1021/ja9728435

A Zwitterionic Zirconocene Alkyl Complex as a Single-Component α-Olefin Dimerization Catalyst Harry van der Heijden, Bart Hessen, and A. Guy Orpen pp 1112–1113 DOI: 10.1021/ja971977f Supporting Info

NMR Data Processing By Jeffrey C. Hoch and Alan S. Stern (Rowland Institute of Science). Wiley:  New York. 1996. xi + 196 pp. $69.95 ISBN 0-471-03900-4. István Pelczer p 1114 DOI: 10.1021/ja965760h

Issue 06

Nanosecond Molecular Dynamics of Hybrid Triplex and Duplex of Polycation Deoxyribonucleic Guanidine Strands with a Complimentary DNA Strand Jia Luo and Thomas C. Bruice pp 1115–1123 DOI: 10.1021/ja973337i Supporting Info

Metal Ion Induced Folding of a de Novo Designed Coiled-Coil Peptide Wayne D. Kohn, Cyril M. Kay, Brian D. Sykes, and Robert S. Hodges pp 1124–1132 DOI: 10.1021/ja973673z

Mechanism of Action of Vitamin B12. Ultrafast Radical Clocks Provide No Evidence for Radical Intermediates in Cyclopropane Models for the Methylmalonyl-CoA to Succinyl-CoA Carbon Skeleton Rearrangement Mu He and Paul Dowd pp 1133–1137 DOI: 10.1021/ja971415w Supporting Info

Solution Structure of α2D, a Nativelike de Novo Designed Protein R. Blake Hill and William F. DeGrado pp 1138–1145 DOI: 10.1021/ja9733649 Supporting Info

New Indicators for Visualizing Pattern Formation in Uncatalyzed Bromate Oscillatory Systems Miklós Orbán, Krisztina Kurin-Csörgei, Anatol M. Zhabotinsky, and Irving R. Epstein pp 1146–1150 DOI: 10.1021/ja972986r

Structural and Kinetic Characterization of an Acyl Transferase Ribozyme Hiroaki Suga, Peter A. Lohse, and Jack W. Szostak pp 1151–1156 DOI: 10.1021/ja972472s

Synthesis and Photochemical Behavior of Peptide Nucleic Acid Dimers and Analogues Containing 4-Thiothymine:  Unprecedented (5−4) Photoadduct Reversion Pascale Clivio, Dominique Guillaume, Marie-Thérèse Adeline, Jeanine Hamon, Claude Riche, and Jean-Louis Fourrey pp 1157–1166 DOI: 10.1021/ja971983b Supporting Info

Tetrabutylammonium Fluoride Promoted Novel Reactions of o-Carborane:  Inter- and Intramolecular Additions to Aldehydes and Ketones and Annulation via Enals and Enones Hiroyuki Nakamura, Kouichi Aoyagi, and Yoshinori Yamamoto pp 1167–1171 DOI: 10.1021/ja973832e Supporting Info

Direct Detection of 1,1-Diphenylgermene in Solution and Absolute Rate Constants for Germene Trapping Reactions Nicholas P. Toltl and William J. Leigh pp 1172–1178 DOI: 10.1021/ja973756f

Control of Permeation of Lanthanide Ions Across Phosphate-Functionalized Liposomal Membranes Paolo Scrimin, Paolo Tecilla, Robert A. Moss, and Kathryn Bracken pp 1179–1185 DOI: 10.1021/ja972041+ Supporting Info

NAD(P)+-NAD(P)H Models. 88. Stereoselection without Steric Effect but Controlled by Electronic Effect of a Carbonyl Group:  Syn/Anti Reactivity Ratio, Kinetic Isotope Effect, and an Electron-Transfer Complex as a Reaction Intermediate Atsuyoshi Ohno, Yoshiteru Ishikawa, Norimasa Yamazaki, Mutsuo Okamura, and Yasushi Kawai pp 1186–1192 DOI: 10.1021/ja972804t Supporting Info

Efficient Zirconocene-Coupling of Silicon-Substituted Diynes to Polymers and Macrocycles Shane S. H. Mao, Feng-Quan Liu, and T. Don Tilley pp 1193–1206 DOI: 10.1021/ja973180u Supporting Info

From Styrenes to Enantiopure α-Arylglycines in Two Steps K. Laxma Reddy and K. Barry Sharpless pp 1207–1217 DOI: 10.1021/ja9728177

Total Synthesis of Nothapodytine B and (−)-Mappicine Dale L. Boger and Jiyong Hong pp 1218–1222 DOI: 10.1021/ja973007y Supporting Info

Mixed Cations for the Stabilization of New Features. Ca6.2Mg3.8Sn7, a Phase with Planar Zigzag Chains of Interlinked Square-Planar Tin Units Ashok K. Ganguli, John D. Corbett, and Martin Köckerling pp 1223–1229 DOI: 10.1021/ja972812+ Supporting Info

Crystal Structures and ab Initio Calculations of New Dicationic Telluranes (λ4-Tellane), [10−Te−4(C2X2)]2+ (X = S, Se):  Positively Charged Hypervalent Bonding Systems Akio Bent Bergholdt, Katsutoshi Kobayashi, Ernst Horn, Ohgi Takahashi, Soichi Sato, Naomichi Furukawa, Masataka Yokoyama, and Kentaro Yamaguchi pp 1230–1236 DOI: 10.1021/ja972930x Supporting Info

Transition Metal Coordinated Al(X)L2 and Ga(X)L2 Fragments Roland A. Fischer, Markus M. Schulte, Jurij Weiss, Laszlo Zsolnai, Albrecht Jacobi, Gottfried Huttner, Gernot Frenking, Christian Boehme, and Sergei F. Vyboishchikov pp 1237–1248 DOI: 10.1021/ja9716463 Supporting Info

Spectroscopic Investigation of the Metal Ligation and Reactivity of the Ferrous Active Sites of Bleomycin and Bleomycin Derivatives Kelly E. Loeb, Jeffrey M. Zaleski, Cynthia D. Hess, Sidney M. Hecht, and Edward I. Solomon pp 1249–1259 DOI: 10.1021/ja971839q Supporting Info

Unprecedented Polycrystal Structure of a New Cadmium Thiolate Containing an Unusually Highly Charged [ClCd8{SCH(CH2CH2)2N(H)Me}16]15+ Core Pilar Gonzàlez-Duarte, William Clegg, Isidre Casals, Joan Sola, and Jordi Rius pp 1260–1266 DOI: 10.1021/ja972038q Supporting Info

X-ray Absorption Spectroscopy of the Molybdenum Site of Escherichia coli Formate Dehydrogenase Graham N. George, Christopher M. Colangelo, Jun Dong, Robert A. Scott, Sergei V. Khangulov, Vadim N. Gladyshev, and Thressa C. Stadtman pp 1267–1273 DOI: 10.1021/ja973004l

Possible Intermediates in Biological Metalloporphyrin Oxidative Degradation. Nickel, Copper, and Cobalt Complexes of Octaethylformybiliverdin and Their Conversion to a Verdoheme Richard Koerner, Marilyn M. Olmstead, Andrzej Ozarowski, Shane L. Phillips, Pamela M. Van Calcar, Krzysztof Winkler, and Alan L. Balch pp 1274–1284 DOI: 10.1021/ja973088y Supporting Info

Photoisomerization Path for a Realistic Retinal Chromophore Model:  The Nonatetraeniminium Cation Marco Garavelli, Thom Vreven, Paolo Celani, Fernando Bernardi, Michael A. Robb, and Massimo Olivucci pp 1285–1288 DOI: 10.1021/ja972695i Supporting Info

Influence of Interchain Interactions on the Absorption and Luminescence of Conjugated Oligomers and Polymers:  A Quantum-Chemical Characterization J. Cornil, D. A. dos Santos, X. Crispin, R. Silbey, and J. L. Brédas pp 1289–1299 DOI: 10.1021/ja973761j

Structure of Bombyx mori Silk Fibroin Based on Solid-State NMR Orientational Constraints and Fiber Diffraction Unit Cell Parameters Makoto Demura, Masashi Minami, Tetsuo Asakura, and T. A. Cross pp 1300–1308 DOI: 10.1021/ja972069l

Escherichia coli β-Galactosidase Recognizes a High-Energy Conformation of C-Lactose, a Nonhydrolizable Substrate Analogue. NMR and Modeling Studies of the Molecular Complex J. F. Espinosa, E. Montero, A. Vian, J. L. García, H. Dietrich, R. R. Schmidt, M. Martín-Lomas, A. Imberty, F. J. Cañada, and J. Jiménez-Barbero pp 1309–1318 DOI: 10.1021/ja972291q Supporting Info

Excited State Localization or Delocalization in C3-symmetric Amino-substituted Triphenylbenzene Derivatives Wouter Verbouwe, Mark Van der Auweraer, Frans C. De Schryver, Jacob J. Piet, and John M. Warman pp 1319–1324 DOI: 10.1021/ja9725615 Supporting Info

Marcus Free Energy Dependence of the Sign of Exchange Interactions in Radical Ion Pairs Generated by Photoinduced Electron Transfer Reactions Shinji Sekiguchi, Yasuhiro Kobori, Kimio Akiyama, and Shozo Tero-Kubota pp 1325–1326 DOI: 10.1021/ja972533m

Hydration of Folded and Unfolded Gas-Phase Proteins:  Saturation of Cytochrome c and Apomyoglobin James L. Fye, Jürgen Woenckhaus, and Martin F. Jarrold pp 1327–1328 DOI: 10.1021/ja9737782

Linear Chain Au(I) Dimer Compounds as Environmental Sensors:  A Luminescent Switch for the Detection of Volatile Organic Compounds M. Adnan Mansour, William B. Connick, Rene J. Lachicotte, Henry J. Gysling, and Richard Eisenberg pp 1329–1330 DOI: 10.1021/ja973216i Supporting Info

Hydrothermal Synthesis of a Dense Metal−Organic Layered Framework That Contains Cu(I)−Olefinic Bonds, Cu2(O2CCHCHCO2) Dianna M. Young, Urs Geiser, Arthur J. Schultz, and H. Hau Wang pp 1331–1332 DOI: 10.1021/ja973483o Supporting Info

Scalar and Dipolar Coupling Studies of Organocuprates T. Andrew Mobley, Frank Müller, and Stefan Berger pp 1333–1334 DOI: 10.1021/ja972965x Supporting Info

Planar Hexasilylbenzene Dianion with Thermally Accessible Triplet State Keisuke Ebata, Wataru Setaka, Tsuyotoshi Inoue, Chizuko Kabuto, Mitsuo Kira, and Hideki Sakurai pp 1335–1336 DOI: 10.1021/ja9739648 Supporting Info

An Enantioselective Construction of the ABC System of Taxol Gilbert Stork, Kei Manabe, and Longbin Liu pp 1337–1338 DOI: 10.1021/ja973559g Supporting Info

Lewis Acid Mediated Functionalization of Porous Silicon with Substituted Alkenes and Alkynes Jillian M. Buriak and Matthew J. Allen pp 1339–1340 DOI: 10.1021/ja9740125 Supporting Info

High-Field Electrophoretic NMR of Protein Mixtures in Solution Qiuhong He, Yumin Liu, and Terry Nixon pp 1341–1342 DOI: 10.1021/ja972709k

The Effect of Mixing-Induced Noise on Second Order Reactions in a CSTR Peter Strizhak, Fathei Ali, and Michael Menzinger pp 1343–1344 DOI: 10.1021/ja973099r

Hydrogenation without a Metal Catalyst:  An ab Initio Study on the Mechanism of the Metal-Free Hydrogenase from Methanobacterium thermoautotrophicum Joaquim H. Teles, Stefan Brode, and Albrecht Berkessel pp 1345–1346 DOI: 10.1021/ja972320x

Diffusion-Limited Size-Selective Ion Sensing Based on SAM-Supported Peptide Nanotubes J. Am. Chem. Soc. 1997, 119, 11306−11312 Kianoush Motesharei and M. Reza Ghadiri p 1347 DOI: 10.1021/ja975427t

Database of Palladium Chemistry:  Reactions, Catalytic Cycles and Chemical Parameters on CD-ROM Version 1.0 By Jean-Luc Malleron, Alain Juin and Rhone-Poulenc Rorer. Academic Press:  Kent. 1997. $545.00. ISBN 0-12-466760-0. Charles P. Casey and John T. Brady p 1347 DOI: 10.1021/ja975907k

Comprehensive Analytical Chemistry. Volume XXXI. Surfactants in Analytical Chemistry:  Applications of Organized Amphiphilic Media By Edmondo Pramauro and Ezio Pelizzetti (University of Torino, Italy). Elsevier:  Amsterdam. 1996. xviii + 521 pp. $265.75. ISBN 0-444-89033-5. Willie L. Hinze pp 1347–1348 DOI: 10.1021/ja965805e

Organic and Bio-organic Mechanisms By Michael Page(The University of Huddersfield) and Andrew Williams (The University of Kent). Addison-Wesley-Longman:  Essex. 1997. x + 298 pp. £27.99. ISBN 0-582-07484-3. W. Phillip Huskey p 1348 DOI: 10.1021/ja975594t

Ligand−Receptor Energetics:  A Guide for the Perplexed By Irving M. Klotz (Northwestern University). Wiley Interscience:  New York. 1997. xi + 170 pp. $44.95. ISBN 0-471-17626-5. Eric V. Anslyn p 1348 DOI: 10.1021/ja9756432

Issue 07

A Solid-State Nitrogen-15 Nuclear Magnetic Resonance Spectroscopic and Quantum Chemical Investigation of Nitrosoarene−Metal Interactions in Model Systems and in Heme Proteins Renzo Salzmann, Mark Wojdelski, Michael McMahon, Robert H. Havlin, and Eric Oldfield pp 1349–1356 DOI: 10.1021/ja971587t

The N-Acetyl Neuraminyl Oxecarbenium Ion Is an Intermediate in the Presence of Anionic Nucleophiles Benjamin A. Horenstein and Michael Bruner pp 1357–1362 DOI: 10.1021/ja972503j Supporting Info

Ethyl Glucoside as a Multifunctional Initiator for Enzyme-Catalyzed Regioselective Lactone Ring-Opening Polymerization Kirpal S. Bisht, Fang Deng, Richard A. Gross, David L. Kaplan, and Graham Swift pp 1363–1367 DOI: 10.1021/ja972391w Supporting Info

Discovery of a Novel Non-Peptide Somatostatin Agonist with SST4 Selectivity Michael Ankersen, Michael Crider, Shengquan Liu, Bin Ho, Henrik S. Andersen, and Carsten Stidsen pp 1368–1373 DOI: 10.1021/ja973325x

Kinetic Studies of Poly(tetrahydrofuran) Epitaxial Film Formed by Polymerization-Induced Epitaxy Using Atomic Force Microscopy Masahito Sano and Momoyo Wada pp 1374–1381 DOI: 10.1021/ja973046+

Stereochemical Control of the DNA Binding Affinity, Sequence Specificity, and Orientation Preference of Chiral Hairpin Polyamides in the Minor Groove David M. Herman, Eldon E. Baird, and Peter B. Dervan pp 1382–1391 DOI: 10.1021/ja9737228 Supporting Info

Synthesis of the Hexasaccharide Fragment of Landomycin A:  Application of Glycosyl Tetrazoles and Phosphites in the Synthesis of a Deoxyoligosaccharide Yu Guo and Gary A. Sulikowski pp 1392–1397 DOI: 10.1021/ja973348b Supporting Info

Thermal and Photochemical [2+2] Cycloreversion of a 1,2-Disilacyclobutane and a 1,2-Digermacyclobutane Yitzhak Apeloig, Dmitry Bravo-Zhivotovskii, Ilya Zharov, Vladislav Panov, William J. Leigh, and Gregory W. Sluggett pp 1398–1404 DOI: 10.1021/ja9729600

Aqueous Ethanolysis of Unstrained Sterically Congested Homoallylic Halides Xicai Huang, Kelly S. E. Tanaka, and Andrew J. Bennet pp 1405–1409 DOI: 10.1021/ja971909t Supporting Info

p-Cresol As a Reversible Acylium Ion Scavenger in Solid-Phase Peptide Synthesis Les P. Miranda, Alun Jones, Wim D. F. Meutermans, and Paul F. Alewood pp 1410–1420 DOI: 10.1021/ja973322k

Mechanistic Study of Ruthenium-Catalyzed Hydrosilation of 1-(Trimethylsilyl)-1-buten-3-yne Yooichiroh Maruyama, Kunihiro Yamamura, Isao Nakayama, Keigo Yoshiuchi, and Fumiyuki Ozawa pp 1421–1429 DOI: 10.1021/ja973718w

Lewis Base-Free Phenyllithium:  Determination of the Solid-State Structure by Synchrotron Powder Diffraction Robert E. Dinnebier, Ulrich Behrens, and Falk Olbrich pp 1430–1433 DOI: 10.1021/ja972816e Supporting Info

Alkyne Ligand Enhancement of the Substitution Lability of Mononuclear Osmium, Ruthenium, and Iron Carbonyls Jean Pearson, Jason Cooke, Josef Takats, and R. B. Jordan pp 1434–1440 DOI: 10.1021/ja9640049 Supporting Info

Structure of the Diamine−Rh(I) Precursor in the Asymmetric Hydride Transfer Reduction of Ketones: A Theoretical and Experimental Approach Maud Bernard, Vincent Guiral, Françoise Delbecq, Fabienne Fache, Philippe Sautet, and Marc Lemaire pp 1441–1446 DOI: 10.1021/ja972988b Supporting Info

Experimental Electron Density Studies for Investigating the Metal π-Ligand Bond:  the Case of Bis(1,5-cyclooctadiene)nickel Piero Macchi, Davide M. Proserpio, and Angelo Sironi pp 1447–1455 DOI: 10.1021/ja972558l Supporting Info

Spectroscopic Comparisons of MoW(porphyrin)2 Heterodimers with Homologous Mo2 and W2 Quadruple Bonds:  A Dynamic NMR and Resonance Raman Study James P. Collman, S. T. Harford, Stefan Franzen, T. A. Eberspacher, Richard K. Shoemaker, and William H. Woodruff pp 1456–1465 DOI: 10.1021/ja972130m Supporting Info

A New, Efficient, and in Some Cases Highly Regioselective Water-Soluble Polymer Rhodium Catalyst for Olefin Hydroformylation Abdelaziz Nait Ajjou and Howard Alper pp 1466–1468 DOI: 10.1021/ja973048u

X-ray Synchrotron Study of Packing and Protrusions of Polymer−Lipid Monolayers at the Air−Water Interface J. Majewski, T. L. Kuhl, K. Kjaer, M. C. Gerstenberg, J. Als-Nielsen, J. N. Israelachvili, and G. S. Smith pp 1469–1473 DOI: 10.1021/ja973024n

Effect of Solvent Polarity, pH, and Metal Complexation on the Triple Fluorescence of 4-(N-1,4,8,11-tetraazacyclotetradecyl)benzonitrile Greg E. Collins, Ling-Siu Choi, and John H. Callahan pp 1474–1478 DOI: 10.1021/ja972169r

Reversible Light-Induced Morphological Change in Langmuir−Blodgett Films Mutsuyoshi Matsumoto, Daisuke Miyazaki, Motoo Tanaka, Reiko Azumi, Eiichiro Manda, Yukishige Kondo, Norio Yoshino, and Hiroaki Tachibana pp 1479–1484 DOI: 10.1021/ja970577p

Conformational Study of Cyclohexene Oxide by Dynamic NMR Spectroscopy and Ab Initio Molecular Orbital Calculations Diwakar M. Pawar and Eric A. Noe pp 1485–1488 DOI: 10.1021/ja972493m Supporting Info

NMR Motional Averaging in the Isotopically Perturbed Cope Rearrangement Eric R. Johnston, Jodi S. Barber, Marc Jacomet, and James C. Barborak pp 1489–1493 DOI: 10.1021/ja970281j

Study of Dispersion in Packed Chromatographic Columns by Pulsed Field Gradient Nuclear Magnetic Resonance Ulrich Tallarek, Ernst Bayer, and Georges Guiochon pp 1494–1505 DOI: 10.1021/ja9726623

Electron Spectroscopic Studies of CH3OH Chemisorption on Cu2O and ZnO Single-Crystal Surfaces:  Methoxide Bonding and Reactivity Related to Methanol Synthesis Paul M. Jones, Jennifer A. May, J. Brad Reitz, and Edward I. Solomon pp 1506–1516 DOI: 10.1021/ja963990q Supporting Info

Chemical and Thermodynamic Properties of Methyl Chloride Dimer Radical Cations in the Gas Phase Sam P. de Visser, Leo J. de Koning, and Nico M. M. Nibbering pp 1517–1522 DOI: 10.1021/ja972814u

Radiolytic Silylation of Alkenes and Alkynes by Gaseous R3Si+ Ions. Stereochemical Evidence for the β-Silyl Effect Barbara Chiavarino, Maria Elisa Crestoni, and Simonetta Fornarini pp 1523–1527 DOI: 10.1021/ja9734152

High-Resolution Time-of-Flight Mass Spectra of Alkanethiolate-Coated Gold Nanocrystals Randy J. Arnold and James P. Reilly pp 1528–1532 DOI: 10.1021/ja9723545

Gas-Phase Structures and Conformational Properties of tert-Butyl Vinyl Ether and (Z)-Methyl 1-Propenyl Ether Christiane Leibold and Heinz Oberhammer pp 1533–1537 DOI: 10.1021/ja973643w

An Experimental and Theoretical Investigation of Ion−Molecule Reactions Involving Methyl Halide Radical Cations with Methyl Halides Linda S. Nichols, Michael L. McKee, and Andreas J. Illies pp 1538–1544 DOI: 10.1021/ja973644o Supporting Info

Coordination of Cu+ Ions to Zeolite Frameworks Strongly Enhances Their Ability To Bind NO2. An ab Initio Density Functional Study Luis Rodriguez-Santiago, Marek Sierka, Vicenç Branchadell, Mariona Sodupe, and Joachim Sauer pp 1545–1551 DOI: 10.1021/ja973196k Supporting Info

The Catalyzed Hydrosilation Reaction Brett M. Bode, Paul N. Day, and Mark S. Gordon pp 1552–1555 DOI: 10.1021/ja9730728 Supporting Info

Acidity Differences between Inorganic Solids Induced by Their Framework Structure. A Combined Quantum Mechanics/Molecular Mechanics ab Initio Study on Zeolites Martin Brändle and Joachim Sauer pp 1556–1570 DOI: 10.1021/ja9729037 Supporting Info

Symmetry Rules for Transition Structures in Degenerate Reactions L. J. Schaad and Jiani Hu pp 1571–1580 DOI: 10.1021/ja973394b

Theoretical Study of Substituent Effects in the Diimine−M(II) Catalyzed Ethylene Polymerization Reaction Using the IMOMM Method Robert D. J. Froese, Djamaladdin G. Musaev, and Keiji Morokuma pp 1581–1587 DOI: 10.1021/ja9728334

Synthesis of Asialo GM1. New Insights in the Application of Sulfonamidoglycosylation in Oligosaccharide Assembly:  Subtle Proximity Effects in the Stereochemical Governance of Glycosidation Ohyun Kwon and Samuel J. Danishefsky pp 1588–1599 DOI: 10.1021/ja9724957 Supporting Info

Strategy in Oligosaccharide Synthesis:  An Application to a Concise Total Synthesis of the KH-1(adenocarcinoma) Antigen Prashant P. Deshpande, Hyunjin M. Kim, Andrzej Zatorski, Tae-Kyo Park, Govindaswami Ragupathi, Philip O. Livingston, David Live, and Samuel J. Danishefsky pp 1600–1614 DOI: 10.1021/ja9725864 Supporting Info

A Concise Total Synthesis of Dysidiolide through Application of a Dioxolenium-Mediated Diels−Alder Reaction Steven R. Magnuson, Laura Sepp-Lorenzino, Neal Rosen, and Samuel J. Danishefsky pp 1615–1616 DOI: 10.1021/ja9740428

Toward an Understanding of Molecular Mechanism of Domino Cycloadditions. Density Functional Theory Study of the Reaction between Hexafluorobut-2-yne and N,N‘-Dipyrrolylmethane Luis R. Domingo, Manuel Arnó, and Juan Andrés pp 1617–1618 DOI: 10.1021/ja972887d

Homoaromaticity in Carbene Intermediates Peter K. Freeman pp 1619–1620 DOI: 10.1021/ja9739143

Soluble Conjugated Polymers That Contain Ferrocenylene Units in the Backbone Richard W. Heo, Fernando B. Somoza, and T. Randall Lee pp 1621–1622 DOI: 10.1021/ja972871n Supporting Info

Rapid Enzyme-Catalyzed Heterolytic C−H Bond Cleavage by a Base Strength Amplification Mechanism:  A Theoretical Examination of the Mechanism of Oxidation of Vitamin K Ya-Jun Zheng and Thomas C. Bruice pp 1623–1624 DOI: 10.1021/ja973140q

Templated Nucleation in a Dynamic Environment:  Crystallization in Foam Lamellae Bao-Dong Chen, Jan. J. Cilliers, Roger J. Davey, John Garside, and Edward T. Woodburn pp 1625–1626 DOI: 10.1021/ja973069o

Living Ring-Opening Metathesis Polymerization in Water David M. Lynn, Bernhard Mohr, and Robert H. Grubbs pp 1627–1628 DOI: 10.1021/ja9736323 Supporting Info

Kinetic Resolution of Alcohols Catalyzed by Tripeptides Containing the N-Alkylimidazole Substructure Scott J. Miller, Gregory T. Copeland, Nikolaos Papaioannou, Thomas E. Horstmann, and Elizabeth M. Ruel pp 1629–1630 DOI: 10.1021/ja973892k Supporting Info

Acidic and Basic Hydrolysis of an Optically Pure Spiro-λ4-sulfurane:  Completely Opposite Stereochemical Outcome Jian Zhang, Shinichi Saito, and Toru Koizumi pp 1631–1632 DOI: 10.1021/ja973039l Supporting Info

Highly Diastereoselective Cyclizations of Bishomoallylic Tertiary Alcohols Promoted by Rhenium(VII) Oxide. Critical Steric versus Chelation Effects in Alkoxyrhenium Intermediates Yoshiki Morimoto and Toshiyuki Iwai pp 1633–1634 DOI: 10.1021/ja9730425 Supporting Info

P-Chiral Bis(trialkylphosphine) Ligands and Their Use in Highly Enantioselective Hydrogenation Reactions Tsuneo Imamoto, Junko Watanabe, Yoshiyuki Wada, Hideki Masuda, Hironari Yamada, Hideyuki Tsuruta, Satoru Matsukawa, and Kentaro Yamaguchi pp 1635–1636 DOI: 10.1021/ja973423i Supporting Info

First-Order Jahn−Teller Effect, Not Metal−Metal Bonding, Is Responsible for Structural Distortion in Sn6(μ3-O)4(μ3-OR)4 Excited States Frederick P. Arnold, Jeremy K. Burdett, and Lawrence R. Sita pp 1637–1638 DOI: 10.1021/ja972034l

Chemical Shift Tensors and NICS Calculations for Stable Silylenes Robert West, Jarrod J. Buffy, Michael Haaf, Thomas Müller, Barbara Gehrhus, Michael F. Lappert, and Yitzhak Apeloig pp 1639–1640 DOI: 10.1021/ja9723287

Evidence for Interception of Nonstatistical Reactive Trajectories for a Singlet Biradical in Supercritical Propane Mayra B. Reyes and Barry K. Carpenter pp 1641–1642 DOI: 10.1021/ja973774x

Nitrenium Ions from Food-Derived Heterocyclic Arylamine Mutagens Michael Novak, Lulu Xu, and Rebecca A. Wolf pp 1643–1644 DOI: 10.1021/ja974222h Supporting Info

Synthesis of Novel Poly(ε-caprolactone)s Functionalized with a Thioester End-Group via a Living Ring Opening Polymerization and Their Application in Chemoselective Ligation with Compounds Containing a Cysteine Terminal Qiang Ni and Luping Yu pp 1645–1646 DOI: 10.1021/ja9738790 Supporting Info

Issue 08

Constitution, Configuration, and the Optical Activity of Chiral Dendrimers James R. McElhanon and Dominic V. McGrath pp 1647–1656 DOI: 10.1021/ja970150i

Design, Synthesis, and Photochemical Properties of a Photoreleasable Ubiquinol-2:  A Novel Compound for Studying Rapid Electron-Transfer Kinetics in Ubiquinol-Oxidizing Enzymes Michael H. B. Stowell, Guangyang Wang, Michael W. Day, and Sunney I. Chan pp 1657–1664 DOI: 10.1021/ja971079j Supporting Info

Molecular Orientation Distributions in Protein Films. 4. A Multilayer Composed of Yeast Cytochrome c Bound through an Intermediate Streptavidin Layer to a Planar Supported Phospholipid Bilayer Paul L. Edmiston and S. Scott Saavedra pp 1665–1671 DOI: 10.1021/ja972634k

Cycloaddition Reaction of Zirconacyclopentadienes to Alkynes:  Highly Selective Formation of Benzene Derivatives from Three Different Alkynes Tamotsu Takahashi, Zhenfeng Xi, Akiko Yamazaki, Yuanhong Liu, Kiyohiko Nakajima, and Martin Kotora pp 1672–1680 DOI: 10.1021/ja970869q Supporting Info

Retention of Regiochemistry of Allylic Esters in Palladium-Catalyzed Allylic Alkylation in the Presence of a MOP Ligand Tamio Hayashi, Motoi Kawatsura, and Yasuhiro Uozumi pp 1681–1687 DOI: 10.1021/ja973150r Supporting Info

Prediction of Rate Constants for Cyanohydrin Formation Using Equilibrium Constants and Distortion Energies J. Peter Guthrie pp 1688–1694 DOI: 10.1021/ja970506q Supporting Info

Electronic Structure Studies of 1,2-Didehydrogenation of Arenes and Rearrangement of Arynes to Annelated Cyclopentadienylidenecarbenes Jerzy Cioslowski, Pawel Piskorz, and David Moncrieff pp 1695–1700 DOI: 10.1021/ja9725662

Facile 1,3-Shift of Chlorine in a Chlorocarbonylketene Justin Finnerty, John Andraos, Yohsuke Yamamoto, Ming Wah Wong, and Curt Wentrup pp 1701–1704 DOI: 10.1021/ja973242g Supporting Info

Cyanine Borate Penetrated Ion Pair Structures in Solution and the Solid State:  Induced Circular Dichroism David J. Owen, Donald VanDerveer, and Gary B. Schuster pp 1705–1717 DOI: 10.1021/ja973812c Supporting Info

Ion Pair Properties of Lithium and Cesium Salts of Carbazole1 Alessandro Abbotto, Andrew Streitwieser, Manolis Stratakis, and James A. Krom pp 1718–1723 DOI: 10.1021/ja972839t Supporting Info

Highly Regio- and Stereoselective [3+2] Cyclopentanone Annulation Using a 3-(Alkylthio)-2-siloxyallyl Cationic Species Keiichi Masuya, Kei Domon, Keiji Tanino, and Isao Kuwajima pp 1724–1731 DOI: 10.1021/ja972879x Supporting Info

Total Synthesis of (±)- and (+)-Valienamine via a Strategy Derived from New Palladium-Catalyzed Reactions Barry M. Trost, Louis S. Chupak, and Thomas Lübbers pp 1732–1740 DOI: 10.1021/ja973081g Supporting Info

Synthesis and Properties of Ring-Deactivated Deuterated (Hydroxymethyl)pyrroles Andrew D. Abell, Brent K. Nabbs, and Alan R. Battersby pp 1741–1746 DOI: 10.1021/ja973656+ Supporting Info

Double Diastereoselection in Intramolecular Photocycloadditions:  A Radical Rearrangement Approach to the Total Synthesis of the Spirovetivane Phytoalexin (±)-Lubiminol Michael T. Crimmins, Zhuo Wang, and Lynne A. McKerlie pp 1747–1756 DOI: 10.1021/ja973824y Supporting Info

Organolanthanide-Catalyzed Intra- and Intermolecular Tandem C−N and C−C Bond-Forming Processes of Aminodialkenes, Aminodialkynes, Aminoalkeneynes, and Aminoalkynes. New Regiospecific Approaches to Pyrrolizidine, Indolizidine, Pyrrole, and Pyrazine Skeletons Yanwu Li and Tobin J. Marks pp 1757–1771 DOI: 10.1021/ja972643t

Highly Electrophilic Olefin Polymerization Catalysts. Quantitative Reaction Coordinates for Fluoroarylborane/Alumoxane Methide Abstraction and Ion-Pair Reorganization in Group 4 Metallocene and “Constrained Geometry” Catalysts Paul A. Deck, Colin L. Beswick, and Tobin J. Marks pp 1772–1784 DOI: 10.1021/ja972912f

The Synthesis, Aromaticity, and NMR Properties of [14]Annulene Fused Organometallics. Determination of the Effective Bond Localizing Ability (“Relative Aromaticity”) and Diamagnetic Anisotropy of Several Organometallic Moieties Reginald H. Mitchell, Yongsheng Chen, Nasr Khalifa, and Pengzu Zhou pp 1785–1794 DOI: 10.1021/ja9729138 Supporting Info

The Use of Density Functional Theory To Understand and Predict Structures and Bonding in Main Group Compounds with Multiple Bonds F. Albert Cotton, Alan H. Cowley, and Xuejun Feng pp 1795–1799 DOI: 10.1021/ja973015e

Temperature Dependence of Cation Distribution and Oxidation State in Magnetic Mn−Fe Ferrite Nanocrystals Z. John Zhang, Zhong L. Wang, Bryan C. Chakoumakos, and Jin S. Yin pp 1800–1804 DOI: 10.1021/ja973085l

Studies on the Electroactive Heterocycles C6S80/2- and C6S6O20/2- and Related Metal Complexes Jun-Hong Chou, Thomas B. Rauchfuss, and Lisa F. Szczepura pp 1805–1811 DOI: 10.1021/ja973186j Supporting Info

Effect of Ancillary Ligands on Ru(II) on Electronic Delocalization in Ruthenium(II) Bisferrocenylacetylide Complexes Yongbao Zhu, Olivier Clot, Michael O. Wolf, and Glenn P. A. Yap pp 1812–1821 DOI: 10.1021/ja9732486 Supporting Info

Orbital Overlap and Antiferromagnetic Coupling in Substituted Tetraphenylporphinatomanganate(III) Tetracyanoethenide Based Magnets. The Importance of σ−dz2−pz Overlap Erik J. Brandon, Christian Kollmar, and Joel S. Miller pp 1822–1826 DOI: 10.1021/ja973452t

Spectroscopy and Absolute Reactivity of Ketenes in Acetonitrile Studied by Laser Flash Photolysis with Time-Resolved Infrared Detection Brian D. Wagner, Bradley R. Arnold, Gerald S. Brown, and Janusz Lusztyk pp 1827–1834 DOI: 10.1021/ja964155b

Photochemical Rearrangement of Enediynes:  Is a “Photo-Bergman” Cyclization a Possibility? Ariella Evenzahav and Nicholas J. Turro pp 1835–1841 DOI: 10.1021/ja9722943

A Valence Bond Perspective on the Molecular Shapes of Simple Metal Alkyls and Hydrides Clark R. Landis, Timothy K. Firman, Daniel M. Root, and Thomas Cleveland pp 1842–1854 DOI: 10.1021/ja9710114 Supporting Info

First-Principle Determination of Peptide Conformations in Solvents:  Combination of Monte Carlo Simulated Annealing and RISM Theory Masahiro Kinoshita, Yuko Okamoto, and Fumio Hirata pp 1855–1863 DOI: 10.1021/ja972048r

Structures and Spectroscopic Characteristics of 5,6-Dihydro-6-thymyl and 5,6-Dihydro-5-thymyl Radicals by an Integrated Quantum Mechanical Approach Including Electronic, Vibrational, and Solvent Effects F. Jolibois, J. Cadet, A. Grand, R. Subra, N. Rega, and V. Barone pp 1864–1871 DOI: 10.1021/ja9722842

Epoxidation by Dimethyldioxirane:  Effects of Intramolecular and Intermolecular Interactions Karol Miaskiewicz and Douglas A. Smith pp 1872–1875 DOI: 10.1021/ja972800o Supporting Info

Acid−Base Catalyzed Reactions in Ionic Water Clusters Uwe Achatz, Stefan Joos, Christian Berg, Thomas Schindler, Martin Beyer, Gerhard Albert, Gereon Niedner-Schatteburg, and Vladimir E. Bondybey pp 1876–1882 DOI: 10.1021/ja971869t

Ligand Exchange and Oxidative Addition on a Silica-Supported Rhodium Complex, trans-[(SiO)Rh(PMe3)2(CO)] Susannah L. Scott, Mikolaj Szpakowicz, Allison Mills, and Catherine C. Santini pp 1883–1890 DOI: 10.1021/ja973181m

Transition-Metal Ethene Bonds:  Thermochemistry of M+(C2H4)n (M = Ti−Cu, n = 1 and 2) Complexes M. R. Sievers, L. M. Jarvis, and P. B. Armentrout pp 1891–1899 DOI: 10.1021/ja973834z

Isotopomer Selective Spectroscopy on Pentacene Jürgen Köhler, Albert-Jan C. Brouwer, Edgar J. J. Groenen, and Jan Schmidt pp 1900–1905 DOI: 10.1021/ja9731581

Reactivity of Monolayer-Protected Gold Cluster Molecules:  Steric Effects Allen C. Templeton, Michael J. Hostetler, Cynthia T. Kraft, and Royce W. Murray pp 1906–1911 DOI: 10.1021/ja973863+ Supporting Info

Dimerization of Silaethylene:  Computational Evidence for a Novel Mechanism for the Formation of 1,3-Disilacyclobutane via a 1,2 Approach Alessandro Venturini, Fernando Bernardi, Massimo Olivucci, Michael A. Robb, and Ivan Rossi pp 1912–1913 DOI: 10.1021/ja973472v Supporting Info

Synthesis of the Unusual Diterpenoid Tropones Hainanolidol and Harringtonolide Barbara Frey, Adam P. Wells, Daniel H. Rogers, and Lewis N. Mander pp 1914–1915 DOI: 10.1021/ja9738081 Supporting Info

The First Total Synthesis of Bacterial Cell Wall Precursor UDP−N-Acetylmuramyl-Pentapeptide (Park Nucleotide) Stephen A. Hitchcock, Clark N. Eid, James A. Aikins, Mohammad Zia-Ebrahimi, and Larry C. Blaszczak pp 1916–1917 DOI: 10.1021/ja973172d Supporting Info

Asymmetric Arylation of Ketone Enolates Jens Åhman, John P. Wolfe, Malisa V. Troutman, Michael Palucki, and Stephen L. Buchwald pp 1918–1919 DOI: 10.1021/ja973794z Supporting Info

Rapid Screening of Binding Affinities:  Application of the λ-Dynamics Method to a Trypsin-Inhibitor System Zhuyan Guo and Charles L. Brooks, III pp 1920–1921 DOI: 10.1021/ja973418e Supporting Info

A New Route to Dihydrodithiins by a Catalytic Reaction of Vinylthiiranes with W(CO)5(NCMe) Richard D. Adams, J. W. Long, IV, and Joseph L. Perrin pp 1922–1923 DOI: 10.1021/ja973880z Supporting Info

Effects of Bridge Redox State Levels on the Electron Transfer and Optical Properties of Intervalence Compounds with Hydrazine Charge-Bearing Units Stephen F. Nelsen, Rustem F. Ismagilov, and Douglas R. Powell pp 1924–1925 DOI: 10.1021/ja972760o Supporting Info

On the Possible Structures of Mn2(CO)8:  Theoretical Support for an Unprecedented Asymmetric Unbridged Isomer Timothy A. Barckholtz and Bruce E. Bursten pp 1926–1927 DOI: 10.1021/ja973629j Supporting Info

W(CO)5·THF-Catalyzed Endo-Selective Cyclization of ω-Acetylenic Silyl Enol Ethers Katsuya Maeyama and Nobuharu Iwasawa pp 1928–1929 DOI: 10.1021/ja973317g Supporting Info

Stereospecific Cationic [1,2] Silyl Shift with Retention of Configuration at the Migrating Terminus Michinori Suginome, Akira Takama, and Yoshihiko Ito pp 1930–1931 DOI: 10.1021/ja9737937 Supporting Info

Novel Nickel(II)- and Palladium(II)-Based Catalytic Systems for the Synthesis of Hyperbranched Polymers from Ethene Jang Sub Kim, James H. Pawlow, Louis M. Wojcinski II, Shahid Murtuza, Smita Kacker, and Ayusman Sen pp 1932–1933 DOI: 10.1021/ja9731128 Supporting Info

Determination of the Internal Rotation Barrier of [15N]Formamide from Gas-Phase 1H NMR Spectra Angela N. Taha, Susan M. Neugebauer Crawford, and Nancy S. True pp 1934–1935 DOI: 10.1021/ja973634n

Biosynthesis of Vitamin B6:  The Oxidation of 4-(Phosphohydroxy)-l-threonine by PdxA David E. Cane, Yuju Hsiung, Julie A. Cornish, J. Kenneth Robinson, and Ian D. Spenser pp 1936–1937 DOI: 10.1021/ja9742085 Supporting Info

Synthesis, Structure, and Reactivity of Neutral η3-Propargylpalladium Complexes Ken Tsutsumi, Sensuke Ogoshi, Shinji Nishiguchi, and Hideo Kurosawa pp 1938–1939 DOI: 10.1021/ja973383i Supporting Info

First Studies of the Transition Metal-Catalyzed [5+2] Cycloadditions of Alkenes and Vinylcyclopropanes:  Scope and Stereochemistry Paul A. Wender, Craig O. Husfeld, Elke Langkopf, and Jennifer A. Love pp 1940–1941 DOI: 10.1021/ja973650k Supporting Info

Optical Transformation and Fission of Single Giant Vesicles in Water by Radiation Pressure Noboru Kitamura, Naomi Sekiguchi, and Haeng-Boo Kim pp 1942–1943 DOI: 10.1021/ja973121g

Structure and Morphology of Helicene Fibers J. Am. Chem. Soc. 1998, 120, 264−268 Andrew J. Lovinger, Colin Nuckolls, and Thomas J. Katz p 1944 DOI: 10.1021/ja985502f

Issue 09

Mechanistic Studies of an Antibody-Catalyzed Pericyclic Rearrangement Edward M. Driggers, Ho S. Cho, Corey W. Liu, Catherine P. Katzka, Andrew C. Braisted, Helle D. Ulrich, David E. Wemmer, and Peter G. Schultz pp 1945–1958 DOI: 10.1021/ja962933u

One-Pot Colorimetric Differentiation of Polynucleotides with Single Base Imperfections Using Gold Nanoparticle Probes James J. Storhoff, Robert Elghanian, Robert C. Mucic, Chad A. Mirkin, and Robert L. Letsinger pp 1959–1964 DOI: 10.1021/ja972332i

Probing the Specificity of Aminoglycoside−Ribosomal RNA Interactions with Designed Synthetic Analogs Phil B. Alper, Martin Hendrix, Pamela Sears, and Chi-Huey Wong pp 1965–1978 DOI: 10.1021/ja972599h

Solution- and Solid-Phase Synthesis of N-Protected Glycopeptide Esters of the Benzyl Type as Substrates for Subtilisin-Catalyzed Glycopeptide Couplings Krista Witte, Oliver Seitz, and Chi-Huey Wong pp 1979–1989 DOI: 10.1021/ja9736727

Mechanism of 2,5-Dioxopiperazine Formation Sante Capasso, Alessandro Vergara, and Lelio Mazzarella pp 1990–1995 DOI: 10.1021/ja972051a

Origin of β-Hairpin Stability in Solution:  Structural and Thermodynamic Analysis of the Folding of a Model Peptide Supports Hydrophobic Stabilization in Water Allister J. Maynard, Gary J. Sharman, and Mark S. Searle pp 1996–2007 DOI: 10.1021/ja9726769 Supporting Info

Spiropentylacetyl-CoA, A Mechanism-Based Inactivator of Acyl-CoA Dehydrogenases Ding Li, Hui-qiang Zhou, Srikanth Dakoji, Injae Shin, Eugene Oh, and Hung-wen Liu pp 2008–2017 DOI: 10.1021/ja9737634

4,8,12,16-Tetra-tert-butyl-s-indaceno[1,2,3-cd:5,6,7-c‘d‘]diphenalene:  A Four-Stage Amphoteric Redox System Kenji Ohashi, Takashi Kubo, Takashi Masui, Kagetoshi Yamamoto, Kazuhiro Nakasuji, Takeji Takui, Yasushi Kai, and Ichiro Murata pp 2018–2027 DOI: 10.1021/ja970961m Supporting Info

Lithium Ephedrate-Mediated Addition of a Lithium Acetylide to a Ketone:  Solution Structures and Relative Reactivities of Mixed Aggregates Underlying the High Enantioselectivities Andrew Thompson, Edward G. Corley, Martha F. Huntington, Edward J. J. Grabowski, Julius F. Remenar, and David B. Collum pp 2028–2038 DOI: 10.1021/ja9713791 Supporting Info

Strategies for Synthesis of Elastomeric Polypropylene: Fluxional Metallocenes with C1-Symmetry Raisa Kravchenko, Athar Masood, Robert M. Waymouth, and Charles L. Myers pp 2039–2046 DOI: 10.1021/ja973414+ Supporting Info

Extensive Studies on π-Stacking of Poly(3-alkylthiophene-2,5-diyl)s and Poly(4-alkylthiazole-2,5-diyl)s by Optical Spectroscopy, NMR Analysis, Light Scattering Analysis, and X-ray Crystallography Takakazu Yamamoto, Dharma Komarudin, Minoru Arai, Bang-Lin Lee, Hajime Suganuma, Naoki Asakawa, Yoshio Inoue, Kenji Kubota, Shintaro Sasaki, Takashi Fukuda, and Hiro Matsuda pp 2047–2058 DOI: 10.1021/ja973873a Supporting Info

Control of Dispersion of Ni2+ Ions via Chelate Ligands in the Preparation of Ni/SiO2 Materials. A XAFS Study J. Y. Carriat, M. Che, M. Kermarec, M. Verdaguer, and A. Michalowicz pp 2059–2070 DOI: 10.1021/ja9725561

Four-Coordinate Molybdenum Chalcogenide Complexes Relevant to Nitrous Oxide N−N Bond Cleavage by Three-Coordinate Molybdenum(III):  Synthesis, Characterization, Reactivity, and Thermochemistry Adam R. Johnson, William M. Davis, Christopher C. Cummins, Scafford Serron, Steven P. Nolan, Djamaladdin G. Musaev, and Keiji Morokuma pp 2071–2085 DOI: 10.1021/ja971491z Supporting Info

EPR, Electronic Spectra, and Electron Transfer Properties of the 17 Electron Carbonylhydrotris(triphenylphosphine)rhodium(II) Cation Dmitri Menglet, Alan M. Bond, Kevin Coutinho, Ron S. Dickson, Georgii G. Lazarev, Scott A. Olsen, and John R. Pilbrow pp 2086–2089 DOI: 10.1021/ja973164x

A New Mechanism for Nucleation beneath Monolayer Films? S. J. Cooper, R. B. Sessions, and S. D. Lubetkin pp 2090–2098 DOI: 10.1021/ja963799g

Pyranose Ring Flexibility. Mapping of Physical Data for Iduronate in Continuous Conformational Space Steffen Ernst, Ganesh Venkataraman, V. Sasisekharan, Robert Langer, Charles L. Cooney, and Ram Sasisekharan pp 2099–2107 DOI: 10.1021/ja972185o

E and Z Conformations of Esters, Thiol Esters, and Amides Diwakar M. Pawar, Abdelnaser A. Khalil, Denise R. Hooks, Kenneth Collins, Tijuana Elliott, Jefforey Stafford, Lucille Smith, and Eric A. Noe pp 2108–2112 DOI: 10.1021/ja9723848

Solution 1H NMR Study of the Electronic Structure and Magnetic Properties of High-Spin Ferrous or Deoxy Myoglobins Catherine M. Bougault, Yi Dou, Masao Ikeda-Saito, Kevin C. Langry, Kevin M. Smith, and Gerd N. La Mar pp 2113–2123 DOI: 10.1021/ja973197c Supporting Info

A Computational Study of the Proton-Transfer Chemistry of the Silaformyl Anion Jon A. Rusho, Mark S. Gordon, Niels H. Damrauer, and Robert Damrauer pp 2124–2130 DOI: 10.1021/ja9722077 Supporting Info

Mechanistic Crossover Induced by Steric Hindrance:  A Theoretical Study of Electron Transfer and Substitution Mechanisms of Cyanoformaldehyde Anion Radical and Alkyl Halides G. Narahari Sastry and Sason Shaik pp 2131–2145 DOI: 10.1021/ja972746b Supporting Info

Neutral and Alkaline Hydrolyses of Model β-Lactam Antibiotics. An ab Initio Study of Water Catalysis Jesús Pitarch, Manuel F. Ruiz-López, Estanislao Silla, Juan-Luis Pascual-Ahuir, and Iñaki Tuñón pp 2146–2155 DOI: 10.1021/ja972801g Supporting Info

Factors Governing the Enhanced Reactivity of Five-Membered Cyclic Phosphate Esters Nai-yuan Chang and Carmay Lim pp 2156–2167 DOI: 10.1021/ja9729802 Supporting Info

Glucose in Aqueous Solution by First Principles Molecular Dynamics C. Molteni and M. Parrinello pp 2168–2171 DOI: 10.1021/ja973008q

Analysis of Amidinium Guest Complexation by Comparison of Two Classes of Dendrimer Hosts Containing a Hydrogen Bonding Unit at the Core Steven C. Zimmerman, Yue Wang, P. Bharathi, and Jeffrey S. Moore pp 2172–2173 DOI: 10.1021/ja970830l Supporting Info

Evidence for a Stable Ti(IV) Metallocene Dihydrogen Complex from ab Initio Molecular Dynamics Peter M. Margl, Tom K. Woo, Peter E. Blöchl, and Tom Ziegler pp 2174–2175 DOI: 10.1021/ja973114s Supporting Info

NMR Structure of Two Cyclic Oligonucleotides. A Monomer−Dimer Equilibrium between Dumbbell and Quadruplex Structures Carlos González, Núria Escaja, Manuel Rico, and Enrique Pedroso pp 2176–2177 DOI: 10.1021/ja973691g Supporting Info

Order Determinations in Liquid Crystals by Dynamic Director NMR Spectroscopy Min Zhou, Veronica Frydman, and Lucio Frydman pp 2178–2179 DOI: 10.1021/ja972943a Supporting Info

Reactions of Olefin Polymerization Activators with Complexed Pentamethylcyclopentadienyl Ligands:  Abstraction of Tetramethylfulvalene William J. Evans, Kevin J. Forrestal, Mohammad A. Ansari, and Joseph W. Ziller pp 2180–2181 DOI: 10.1021/ja973058v Supporting Info

Strand Invasion of Supercoiled DNA by Oligonucleotides with a Triplex Guide Sequence Howard B. Gamper, Jr., Ya-Ming Hou, Michael R. Stamm, Mikhail A. Podyminogin, and Rich B. Meyer pp 2182–2183 DOI: 10.1021/ja971397i

Unexpected Enzymatic Fucosylation of the Hindered Tertiary Alcohol of 3-C-Methyl-N-Acetyllactosamine Produces a Novel Analogue of the LeX-Trisaccharide Xiangping Qian, Ole Hindsgaul, Hong Li, and Monica M. Palcic pp 2184–2185 DOI: 10.1021/ja973361w Supporting Info

Coordinatively Unsaturated Metal Centers in the Extended Porous Framework of Zn3(BDC)3·6CH3OH (BDC = 1,4-Benzenedicarboxylate) Hailian Li, Charles E. Davis, Thomas L. Groy, Douglas G. Kelley, and O. M. Yaghi pp 2186–2187 DOI: 10.1021/ja974172g Supporting Info

A Novel Template Method for Preparing Unidirectional Kinetically Inert Metal Complexes Haim Weizman, Jacqueline Libman, and Abraham Shanzer pp 2188–2189 DOI: 10.1021/ja973605c Supporting Info

Generation of a Mixed-Valent Fe(III)Fe(IV) Form of Intermediate Q in the Reaction Cycle of Soluble Methane Monooxygenase, an Analog of Intermediate X in Ribonucleotide Reductase R2 Assembly Ann M. Valentine, Pedro Tavares, Alice S. Pereira, Roman Davydov, Carsten Krebs, Brian M. Hoffman, Dale E. Edmondson, Boi Hanh Huynh, and Stephen J. Lippard pp 2190–2191 DOI: 10.1021/ja974169x

FR-66979 Covalently Cross-Links the Binding Domain of the High-Mobility Group I/Y Proteins to DNA Scott R. Rajski, Samuel B. Rollins, and Robert M. Williams pp 2192–2193 DOI: 10.1021/ja973568p Supporting Info

Metal-Containing Oligonucleotides:  Solid-Phase Synthesis and Luminescence Properties Dennis J. Hurley and Yitzhak Tor pp 2194–2195 DOI: 10.1021/ja9739998 Supporting Info

Trapped Kinetic States, Chiral Amplification and Molecular Chaperoning in Synthetic Polymers:  Chiral Induction in Polyguanidines through Ion Pair Interactions David S. Schlitzer and Bruce M. Novak pp 2196–2197 DOI: 10.1021/ja974048x

Intramolecular Triplet Energy Transfer in Bichromophores with Long Flexible Tethers Petr Klán and Peter J. Wagner pp 2198–2199 DOI: 10.1021/ja974016+

Comparison of the Singlet, Triplet Energy Gap of a Symmetrical Diradical Dication with ET Parameters Derived from Its Optical Spectrum Stephen F. Nelsen, Rustem F. Ismagilov, and Yoshio Teki pp 2200–2201 DOI: 10.1021/ja9706615

Monomeric InC6H3-2,6-Trip2 (Trip = -C6H2-2,4,6-i-Pr3) and Its Manganese Complex (η5-C5H5)(CO)2MnInC6H3-2,6-Trip2:  One-Coordinate Indium in the Solid State Scott T. Haubrich and Philip P. Power pp 2202–2203 DOI: 10.1021/ja973479c Supporting Info

Theory-Assisted Determination of Absolute Stereochemistry for Complex Natural Products via Computation of Molar Rotation Angles Rama K. Kondru, Peter Wipf, and David N. Beratan pp 2204–2205 DOI: 10.1021/ja973690o Supporting Info

A Highly π-Stacked Organic Semiconductor for Thin Film Transistors Based on Fused Thiophenes Xiao-Chang Li, Henning Sirringhaus, Francis Garnier, Andrew B. Holmes, Stephen C. Moratti, Neil Feeder, William Clegg, Simon J. Teat, and Richard H. Friend pp 2206–2207 DOI: 10.1021/ja9735968 Supporting Info

NMR Motional Averaging in the Isotopically Perturbed Cope Rearrangement J. Am. Chem. Soc. 1998, 120, 1489−1493 Eric R. Johnston, Jodi S. Barber, Marc Jacomet, and James C. Barborak p 2208 DOI: 10.1021/ja9855038

SymApps Version 1.0 (Windows 95 or NT) By Karl R. Nedwed. Bio-Rad Laboratories, Sadtler Research Division (formerly published by SoftShell International, Ltd.), 1600 Ute Ave., Grand Junction, CO 81501; (970) 242-6469. List Price $599 for the complete ChemWindows Suite (which includes SymApps), $399 as an upgrade from any other chemistry drawing software. Academic and student discounts are available. Arnold L. Rheingold,Frederick P. Arnold pp 2208–2209 DOI: 10.1021/ja965935n

The Merck Index, 12th Edition, CD-ROM (Macintosh):  An Encyclopedia of Chemicals, Drugs & Biologicals Edited by S. Budavari, M. O'Neill, A. Smith, P. Heckelman, and J. Kinneary (Merck & Co., Inc.). Chapman & Hall:  New York. 1997. $250.00. ISBN 0-412-75940-3. James K. Whitesell p 2209 DOI: 10.1021/ja975911w

Applied Homogeneous Catalysis with Organometallic Compounds. A Comprehensive Handbook in Two Volumes Edited by B. Cornils (Hoechst AG Germany) and W. A. Herrmann (Tech. University München, Germany). VCH:  Weinheim. 1996. xxxvi + 1246 pp. DM 598. ISBN 3-527-29286-1. Louis Messerle pp 2209–2210 DOI: 10.1021/ja9755020

Progress in Inorganic Chemistry. Volume 46 Edited by Kenneth Karlin (Johns Hopkins University). Wiley:  New York. 1997. v + 488 pp. $125.00. ISBN 0-471-17992-2. Philip J. Squattrito p 2210 DOI: 10.1021/ja975639q

Issue 10

Direct Selection for Catalysis from Combinatorial Antibody Libraries Using a Boronic Acid Probe:  Primary Amide Bond Hydrolysis Changshou Gao, Brian J. Lavey, Chih-Hung L. Lo, Anita Datta, Paul Wentworth, Jr., and Kim D. Janda pp 2211–2217 DOI: 10.1021/ja9720220

Activation of Styrenes toward Diels−Alder Cycloadditions by Osmium(II):  Synthesis of Stereodefined Decalin Ring Systems Stanley P. Kolis, Mahendra D. Chordia, Ronggang Liu, Michael E. Kopach, and W. Dean Harman pp 2218–2226 DOI: 10.1021/ja973700l

Topological Analysis of the Experimental Electron Densities of Amino Acids. 1. d,l-Aspartic Acid at 20 K R. Flaig, T. Koritsanszky, D. Zobel, and P. Luger pp 2227–2238 DOI: 10.1021/ja972620e Supporting Info

NMR Studies of Co·Deglycobleomycin A2 Green and Its Complex with d(CCAGGCCTGG) Wei Wu, Dana E. Vanderwall, Shuji Teramoto, Siu Man Lui, Silvia T. Hoehn, Xue-Jun Tang, Christopher J. Turner, Dale L. Boger, John W. Kozarich, and JoAnne Stubbe pp 2239–2250 DOI: 10.1021/ja972125i Supporting Info

Linear Free Energy Substituent Effect on Flavin Redox Chemistry Justin J. Hasford and Carmelo J. Rizzo pp 2251–2255 DOI: 10.1021/ja972992n

An Aromatization Mechanism of Inactivation of γ-Aminobutyric Acid Aminotransferase for the Antibiotic l-Cycloserine Gregory T. Olson, Mengmeng Fu, Sharon Lau, Kenneth L. Rinehart, and Richard B. Silverman pp 2256–2267 DOI: 10.1021/ja972907b

d-Cycloserine Inactivation of d-Amino Acid Aminotransferase Leads to a Stable Noncovalent Protein Complex with an Aromatic Cycloserine-PLP Derivative Daniel Peisach, David M. Chipman, Peter W. Van Ophem, James M. Manning, and Dagmar Ringe pp 2268–2274 DOI: 10.1021/ja973353f

In-Plane Vinylic SN2 Substitution and Intramolecular β Elimination of β-Alkylvinyl(chloro)-λ3-iodanes Tadashi Okuyama, Tomoki Takino, Koichi Sato, and Masahito Ochiai pp 2275–2282 DOI: 10.1021/ja972267c Supporting Info

Chelation Isomerism in (Allylamino)carbene Complexes and Its Impact on Stereoselection:  A Study of Coordination Equilibrium by Dynamic HPLC Ute Schick, Lurdes Jordi, Susagna Ricart, Jaume Veciana, Karl Heinz Dötz, and Josep M. Moretó pp 2283–2289 DOI: 10.1021/ja972880w Supporting Info

Enolization of Aldehydes and Ketones:  Structural Effects on Concerted Acid−Base Catalysis Anthony F. Hegarty, Joseph P. Dowling, Stephen J. Eustace, and Michelle McGarraghy pp 2290–2296 DOI: 10.1021/ja9729544

Rotaxane or Pseudorotaxane? That Is the Question! Peter R. Ashton, Ian Baxter, Matthew C. T. Fyfe, Françisco M. Raymo, Neil Spencer, J. Fraser Stoddart, Andrew J. P. White, and David J. Williams pp 2297–2307 DOI: 10.1021/ja9731276 Supporting Info

Highly Regiospecific Zirconocene Catalysts for the Isospecific Polymerization of Propene Luigi Resconi, Fabrizio Piemontesi, Isabella Camurati, Olof Sudmeijer, Ilya E. Nifant'ev, Pavel V. Ivchenko, and Lyudmila G. Kuz'mina pp 2308–2321 DOI: 10.1021/ja973160s Supporting Info

Novel Polymer Architectures via the Selective Polymerization of Lyotropic Liquid Crystals of Heterobifunctional Amphiphiles Thomas M. Sisson, Warunee Srisiri, and David F. O'Brien pp 2322–2329 DOI: 10.1021/ja973371x

A New Magnesium-Catalyzed Doubly Diastereoselective anti-Aldol Reaction Leads to a Highly Efficient Process for the Total Synthesis of Lactacystin in Quantity E. J. Corey, Weidong Li, and Gregory A. Reichard pp 2330–2336 DOI: 10.1021/ja973444c

Benzyne Adds Across a Closed 5−6 Ring Fusion in C70:  Evidence for Bond Delocalization in Fullerenes Mark S. Meier, Guan-Wu Wang, Robert C. Haddon, Carolyn Pratt Brock, Michael A. Lloyd, and John P. Selegue pp 2337–2342 DOI: 10.1021/ja973957j Supporting Info

Chromenes through Metal-Catalyzed Reactions of Styrenyl Ethers. Mechanism and Utility in Synthesis Joseph P. A. Harrity, Daniel S. La, Dustin R. Cefalo, Michael S. Visser, and Amir H. Hoveyda pp 2343–2351 DOI: 10.1021/ja9739796 Supporting Info

Resonance Raman Spectroscopic Study of Phenoxyl Radical Complexes Robert Schnepf, Achim Sokolowski, Jochen Müller, Vinzenz Bachler, Karl Wieghardt, and Peter Hildebrandt pp 2352–2364 DOI: 10.1021/ja972269x Supporting Info

Single-Molecule Magnets:  Tetranuclear Vanadium(III) Complexes with a Butterfly Structure and an S = 3 Ground State Stephanie L. Castro, Ziming Sun, Craig M. Grant, John C. Bollinger, David N. Hendrickson, and George Christou pp 2365–2375 DOI: 10.1021/ja9732439 Supporting Info

Functionalization of Nanocrystalline Porous Silicon Surfaces with Aryllithium Reagents:  Formation of Silicon−Carbon Bonds by Cleavage of Silicon−Silicon Bonds Jae Hee Song and Michael J. Sailor pp 2376–2381 DOI: 10.1021/ja9734511

Time-Resolved Small-Angle Static Light Scattering on Lysozyme during Nucleation and Growth Patrick Umbach, Yannis Georgalis, and Wolfram Saenger pp 2382–2390 DOI: 10.1021/ja964350q

An MC-SCF/MP2 Study of the Photochemistry of 2,3-Diazabicyclo[2.2.1]hept-2-ene:  Production and Fate of Diazenyl and Hydrazonyl Biradicals Naoko Yamamoto, Massimo Olivucci, Paolo Celani, Fernando Bernardi, and Michael A. Robb pp 2391–2407 DOI: 10.1021/ja971733v Supporting Info

An ab Initio MO Study of Structure and Reactivity of 4-Silatriafulvene Tamás Veszprémi, Masae Takahashi, Jun Ogasawara, Kenkichi Sakamoto, and Mitsuo Kira pp 2408–2414 DOI: 10.1021/ja971925q Supporting Info

Density Functional Theory Study of a Lewis Acid Catalyzed Diels−Alder Reaction. The Butadiene + Acrolein Paradigm J. I. García, V. Martínez-Merino, J. A. Mayoral, and L. Salvatella pp 2415–2420 DOI: 10.1021/ja9722279 Supporting Info

Metallacyclobutane and Cyclopropyl Species on Cu(111) and Cu(110) Richard Martel, Alain Rochefort, and Peter H. McBreen pp 2421–2427 DOI: 10.1021/ja972301n

Mechanisms of Propagation and Termination Reactions in Classical Heterogeneous Ziegler−Natta Catalytic Systems:  A Nonlocal Density Functional Study Luigi Cavallo, Gaetano Guerra, and Paolo Corradini pp 2428–2436 DOI: 10.1021/ja972618n

Na+ Binding to Cyclic and Linear Dipeptides. Bond Energies, Entropies of Na+ Complexation, and Attachment Sites from the Dissociation of Na+-Bound Heterodimers and ab Initio Calculations Blas A. Cerda, Sophie Hoyau, Gilles Ohanessian, and Chrys Wesdemiotis pp 2437–2448 DOI: 10.1021/ja972417j

Local Dynamics in DNA by Temperature-Dependent Stokes Shifts of an Intercalated Dye Eric B. Brauns, Catherine J. Murphy, and Mark A. Berg pp 2449–2456 DOI: 10.1021/ja973207+

Dynamic Structural Features of Macrocyclic Cytochalasin Analogues Responsible for Their Hexose Transport Inhibition Satoru Goto, Kai-Xian Chen, Sanae Oda, Hitoshi Hori, and Hiroshi Terada pp 2457–2463 DOI: 10.1021/ja9632872

Potentiometric Measurement of Intracellular Redox Activity Joshua D. Rabinowitz, Judith F. Vacchino, Craig Beeson, and Harden M. McConnell pp 2464–2473 DOI: 10.1021/ja973560f

Enantioselective Addition of Enol Silyl Ethers to Imines Catalyzed by Palladium Complexes:  A Novel Way to Optically Active Acylalanine Derivatives Emiko Hagiwara, Akio Fujii, and Mikiko Sodeoka pp 2474–2475 DOI: 10.1021/ja973962n Supporting Info

Electropolymerization of Acenaphtho[1,2-k]fluoranthene Derivatives:  Formation of a New Conductive Electroactive Electrochromic Hydrocarbon Ladder Polymer Jeff D. Debad and Allen J. Bard pp 2476–2477 DOI: 10.1021/ja973831m Supporting Info

Alcohol Stereochemistry in Polyketide Backbones Is Controlled by the β-Ketoreductase Domains of Modular Polyketide Synthases Camilla M. Kao, Michael McPherson, Robert N. McDaniel, Hong Fu, David E. Cane, and Chaitan Khosla pp 2478–2479 DOI: 10.1021/ja973913a

Facial Selective Photoreduction of Steroids:  Role of Zeolites V. Jayathirtha Rao, Sundara Rajan Uppili, David R. Corbin, Stephan Schwarz, Steven R. Lustig, and V. Ramamurthy pp 2480–2481 DOI: 10.1021/ja972976q

Spatial Correlation of Charge Centers in the Tectosilicate Nonasil Determined by Multidimensional {1H} → 2H CPMAS NMR Correlation Spectroscopy Daniel F. Shantz and Raul F. Lobo pp 2482–2483 DOI: 10.1021/ja974211o

Substrate Synthesis and Activity Assay for MurG Hongbin Men, Peter Park, Min Ge, and Suzanne Walker pp 2484–2485 DOI: 10.1021/ja974221p Supporting Info

Self-Assembled Monolayers Stabilized by Three-Dimensional Networks of Hydrogen Bonds Robert S. Clegg, Scott M. Reed, and James E. Hutchison pp 2486–2487 DOI: 10.1021/ja9800277 Supporting Info

Stereoselectivity in o-Alkylphenyl Ketone Photochemistry:  How Many o-Xylylenes Can One Ketone Form? Peter J. Wagner, Martin Sobczak, and Bong-Ser Park pp 2488–2489 DOI: 10.1021/ja9736976

Mechanism for the Catalytic Activation of Ecteinascidin 743 and Its Subsequent Alkylation of Guanine N2 Bob M. Moore, II, Frederick C. Seaman, Richard T. Wheelhouse, and Laurence H. Hurley pp 2490–2491 DOI: 10.1021/ja974109r

Relativistic Effects in Chemistry Part B, Applications By Krishnan Balasubramanian (Arizona State University). Wiley:  New York. 1997. xii + 527 pp. $89.95. ISBN 0-471-17991-4. S. Wilson p 2492 DOI: 10.1021/ja975596d

Issue 11

Asymmetric Formation of Quaternary Centers through Aza-Annulation of Chiral β-Enamino Amides with Acrylate Derivatives Petr Benovsky, Gregory A. Stephenson, and John R. Stille pp 2493–2500 DOI: 10.1021/ja9729591 Supporting Info

Synthesis of 13H-Benzo[6,7]- and 13H-Benzo[4,5]indolo[3,2-c]- quinolines: A New Series of Potent Specific Ligands for Triplex DNA Chi Hung Nguyen, Christophe Marchand, Stéphane Delage, Jian-Sheng Sun, Thérèse Garestier, Claude Hélène, and Emile Bisagni pp 2501–2507 DOI: 10.1021/ja971707x

Anomeric Effect in Purine Nucleosides. Evaluation of the Steric Effect of a Purinic Aglycon from the Pseudorotational Equilibrium of Cyclopentane in Carbocyclic C-Nucleoside 1 Matjaž Polak, Barbara Mohar, Jože Kobe, and Janez Plavec pp 2508–2513 DOI: 10.1021/ja972433g Supporting Info

Cyclic BF2 Adducts of Functionalized Fischer Vinylcarbene Complexes:  Preparation and Stereoselective Diels−Alder Reactions with 2-Amino 1,3-Dienes José Barluenga, Rosa-María Canteli, Josefa Flórez, Santiago García-Granda, Angel Gutiérrez-Rodríguez, and Eduardo Martín pp 2514–2522 DOI: 10.1021/ja972588o Supporting Info

Efficient Synthesis of Okadaic Acid. 1. Convergent Assembly of the C15−C38 Domain Rebecca A. Urbanek, Steven F. Sabes, and Craig J. Forsyth pp 2523–2533 DOI: 10.1021/ja973287h Supporting Info

Efficient Synthesis of Okadaic Acid. 2. Synthesis of the C1−C14 Domain and Completion of the Total Synthesis Steven F. Sabes, Rebecca A. Urbanek, and Craig J. Forsyth pp 2534–2542 DOI: 10.1021/ja973286p Supporting Info

Total Synthesis of Spinosyn A. 1. Enantioselective Construction of a Key Tricyclic Intermediate by a Multiple Configurational Inversion Scheme Leo A. Paquette, Zhongli Gao, Zhijie Ni, and Graham F. Smith pp 2543–2552 DOI: 10.1021/ja974009l Supporting Info

Total Synthesis of Spinosyn A. 2. Degradation Studies Involving the Pure Factor and Its Complete Reconstitution Leo A. Paquette, Iván Collado, and Mark Purdie pp 2553–2562 DOI: 10.1021/ja974010k Supporting Info

Crystal Engineering of Some 2,4,6-Triaryloxy-1,3,5-triazines:  Octupolar Nonlinear Materials Venkat R. Thalladi, Sophie Brasselet, Hans-Christoph Weiss, Dieter Bläser, Amy K. Katz, H. L. Carrell, Roland Boese, Joseph Zyss, Ashwini Nangia, and Gautam R. Desiraju pp 2563–2577 DOI: 10.1021/ja972830r Supporting Info

Electrophilic Bromination of Specifically Deuterated Cyclohexenes:  A Combined Experimental and Theoretical Investigation H. Slebocka-Tilk, A. Neverov, S. Motallebi, R. S. Brown, O. Donini, J. L. Gainsforth, and M. Klobukowski pp 2578–2585 DOI: 10.1021/ja971145h Supporting Info

Synthesis of Novel Molybdaboranes from (η5-C5R5)MoCln Precursors (R = H, Me; n = 1, 2, 4) Simon Aldridge, Maoyu Shang, and Thomas P. Fehlner pp 2586–2598 DOI: 10.1021/ja973720n Supporting Info

Structures of the Cu(I) and Cu(II) Forms of Amine Oxidases from X-ray Absorption Spectroscopy David M. Dooley, Robert A. Scott, Peter F. Knowles, Christopher M. Colangelo, Michele A. McGuirl, and Doreen E. Brown pp 2599–2605 DOI: 10.1021/ja970312a Supporting Info

Electronic Stark Effect Studies of a Porphyrin-Based Push−Pull Chromophore Displaying a Large First Hyperpolarizability:  State-Specific Contributions to β Laba Karki, Fredrick W. Vance, Joseph T. Hupp, Steven M. LeCours, and Michael J. Therien pp 2606–2611 DOI: 10.1021/ja973593v Supporting Info

Diversity of Bonding in Methyl Ate Anions of the First- and Second-Row Elements Jerzy Cioslowski, Pawel Piskorz, Michael Schimeczek, and Gernot Boche pp 2612–2615 DOI: 10.1021/ja972564h Supporting Info

Conformation and Stability of Adducts of Cyclic Ammines with Water:  Free Jet Absorption Millimeter-Wave Spectrum of Pyrrolidine−Water Walther Caminati, Adele Dell'Erba, Gianni Maccaferri, and Paolo G. Favero pp 2616–2621 DOI: 10.1021/ja9739594

Conformational Choice, Hydrogen Bonding, and Rotation of the S1 ← S0 Electronic Transition Moment in 2-Phenylethyl Alcohol, 2-Phenylethylamine, and Their Water Clusters John A. Dickinson, Matthew R. Hockridge, Romano T. Kroemer, Evan G. Robertson, John P. Simons, June McCombie, and Melinda Walker pp 2622–2632 DOI: 10.1021/ja972104o

Gas-Phase Transuranium Organometallic Chemistry:  Reactions of Np+, Pu+, NpO+, and PuO+ with Alkenes John K. Gibson pp 2633–2640 DOI: 10.1021/ja973182e

Valence Bond Concepts Applied to the Molecular Mechanics Description of Molecular Shapes. 3. Applications to Transition Metal Alkyls and Hydrides Clark R. Landis, Thomas Cleveland, and Timothy K. Firman pp 2641–2649 DOI: 10.1021/ja9734859 Supporting Info

Pulse-Quench Catalytic Reactor Studies Reveal a Carbon-Pool Mechanism in Methanol-to-Gasoline Chemistry on Zeolite HZSM-5 Patrick W. Goguen, Teng Xu, Dewey H. Barich, Timothy W. Skloss, Weiguo Song, Zhike Wang, John B. Nicholas, and James F. Haw pp 2650–2651 DOI: 10.1021/ja973920z

Switching on the Nucleophilic Reactivity of a Ferric Porphyrin Peroxo Complex Matthias Selke and Joan Selverstone Valentine pp 2652–2653 DOI: 10.1021/ja9733301

Ozonolysis Is the Primary Cause of UV Photooxidation of Alkanethiolate Monolayers at Low Irradiance Yumo Zhang, Roger H. Terrill, Troy A. Tanzer, and Paul W. Bohn pp 2654–2655 DOI: 10.1021/ja9714853

Ozone-Induced Oxidation of Self-Assembled Decanethiol:  Contributing Mechanism for “Photooxidation”? Karen L. Norrod and Kathy L. Rowlen pp 2656–2657 DOI: 10.1021/ja9738642

Dichloro(2,2,2-trifluoroethoxy)oxovanadium(V). A Remarkably Effective Reagent for Promoting One-Electron Oxidative Cyclization and Unsymmetrical Coupling of Silyl Enol Ethers Kendal Ryter and Tom Livinghouse pp 2658–2659 DOI: 10.1021/ja973585e Supporting Info

Self-Assembly of Alkyl Monolayers on Ge(111)1a Jiliang He, Zheng-Hong Lu, Steven A. Mitchell, and Danial D. M. Wayner pp 2660–2661 DOI: 10.1021/ja974119s Supporting Info

An Autocatalytic Reaction Leading to Spontaneously Assembled Phosphatidyl Nucleoside Giant Vesicles Andrea Veronese and Pier Luigi Luisi pp 2662–2663 DOI: 10.1021/ja9722786

Dissociative Electron Transfer to Biologically Relevant Bicyclic Endoperoxides. Determination of Thermochemical Parameters Mark S. Workentin and Robert L. Donkers pp 2664–2665 DOI: 10.1021/ja974197f Supporting Info

A Role for Zinc in OMP Decarboxylase, an Unusually Proficient Enzyme Brian G. Miller, Thomas W. Traut, and Richard Wolfenden pp 2666–2667 DOI: 10.1021/ja980066i

An Unusual Adduct of Dithiothreitol with a Pair of Cysteine Residues of a Protein as a Stable Folding Intermediate Yue-Jin Li, David M. Rothwarf, and Harold A. Scheraga pp 2668–2669 DOI: 10.1021/ja973625e

Evidence for Hydrogen Bonding Effects in the Iron Ligand Vibrations of Carbonmonoxy Myoglobin Masashi Unno, James F. Christian, John S. Olson, J. Timothy Sage, and Paul M. Champion pp 2670–2671 DOI: 10.1021/ja973293d Supporting Info

Measurement of Heteronuclear Dipolar Interactions between Quadrupolar and Spin-1/2 Nuclei in Solids by Multiple-Quantum REDOR NMR C. Fernandez, D. P. Lang, J. P. Amoureux, and M. Pruski pp 2672–2673 DOI: 10.1021/ja973311r

Distorting Duplex DNA by Dimethylenesulfone Substitution:  A New Class of “Transition State Analog” Inhibitors for Restriction Enzymes Monika O. Blättler, Christian Wenz, Alfred Pingoud, and Steven A. Benner pp 2674–2675 DOI: 10.1021/ja972768y Supporting Info

Design and Self-Assembly of Cavity-Containing Rectangular Grids Leonard R. MacGillivray, Ryan H. Groeneman, and Jerry L. Atwood pp 2676–2677 DOI: 10.1021/ja973584m Supporting Info

Architectural Copolymers:  Rod-Shaped, Cylindrical Dendrimers R. Yin, Y. Zhu, and D. A. TomaliaH. Ibuki pp 2678–2679 DOI: 10.1021/ja973972o Supporting Info

m-Quinone Methides from m-Hydroxy-1,1-Diaryl Alkenes via Excited-State (Formal) Intramolecular Proton Transfer Mediated by a Water Trimer Maike Fischer and Peter Wan pp 2680–2681 DOI: 10.1021/ja974144y

Methymycin Biosynthesis. Isolation of P450 Monooxygenase Activity in a Cell-Free System from Streptomyces venezuelae David E. Cane and Edmund I. Graziani pp 2682–2683 DOI: 10.1021/ja974321v Supporting Info

Electrochemically-Promoted Reductive Cleavage of Glycosides Jibin Zheng, John L. Gore, and Gary R. Gray pp 2684–2685 DOI: 10.1021/ja9705093

Search for a General Route to Metallaboranes via the Reaction of Monocyclopentadienyl Metal Chlorides with Monoborane. Synthesis and Reactivity of the Rhodaborane nido-1-Cl-2,3-{(η5-C5Me5)Rh}2B3H6 Xinjian Lei, Maoyu Shang, and Thomas P. Fehlner pp 2686–2687 DOI: 10.1021/ja974268a Supporting Info

The First Nitrosyl Complexes of Niobium and Tantalum P. James Daff, Peter Legzdins, and Steven J. Rettig pp 2688–2689 DOI: 10.1021/ja9738079 Supporting Info

oNBS−SPPS:  A New Method for Solid-Phase Peptide Synthesis Stephen C. Miller and Thomas S. Scanlan pp 2690–2691 DOI: 10.1021/ja974252k Supporting Info

Reviews in Computational Chemistry, Vol. 9 Edited by Kenny B. Lipkowitz and Donald B. Boyd (Indiana University-Purdue University at Indianapolis). Wiley/VCH:  New York. 1996. xxxiii + 282 pp. $120.00. ISBN 1-56081-930-8. Vivian Cody p 2692 DOI: 10.1021/ja975681l

Solvent-Accelerated Decarboxylation of N-Carboxy-2-imidazolidinone. Implications for Stability of Intermediates in Biotin-Dependent Carboxylations J. Am. Chem. Soc. 1996, 118, 12495−12498 Jubrail Rahil, Shaochum You, and Ronald Kluger p 2692 DOI: 10.1021/ja985500v

Phytochemical Diversity:  A Source of New Industrial Products Edited by Stephen Wrigley, Martin Hayes, Robert Thomas, and Ewan Chrystal. The Royal Society of Chemistry:  Cambridge. 1997. $135.00. xi + 254 pp. ISBN 0-85404-717-4. William N. Setzer pp 2692–2693 DOI: 10.1021/ja975679u

Molecular Mechanics Across Chemistry By Anthony K. Rappé (Colorado State University) and Carla J. Casewit (Calleo Scientific). University Science Books:  Sausalito. 1997. xii + 444 pp. $56.60. ISBN 0-935702-77-6. William Gardiner p 2693 DOI: 10.1021/ja9755525

Dana's New Mineralogy By Richard V. Gaines, H. Catherine W. Skinner, Eugene E. Foord, Brian Mason, and Abraham Rosenzweig. Wiley/VCH:  New York. 1997. xlv + 1819 pp. $250.00. ISBN 0-471-19310-0. p 2693 DOI: 10.1021/ja9756984

Handbook of Liquid Crystal Research Edited by Peter J. Collings (Swarthmore College) and Jay S. Patel (Pennsylvania State University). Oxford University Press:  Oxford and New York. 1997. xv + 600 pp. $195.00. ISBN 0-19-508442-X. Christopher K. Ober pp 2693–2694 DOI: 10.1021/ja975565i

Advances in Supramolecular Chemistry, Vol. 4 Edited by George W. Gokel (Washington University School of Medicine). JAI Press:  Greenwich. 1997. xi + 338 pp. $109.50. ISBN 1-55938-794-7. Timothy B. Karpishin p 2694 DOI: 10.1021/ja975659s

Issue 12

Cystinophanes, a Novel Family of Aromatic-Bridged Cystine Cyclic Peptides:  Synthesis, Crystal Structure, Molecular Recognition, and Conformational Studies Darshan Ranganathan, V. Haridas, and Isabella L. Karle pp 2695–2702 DOI: 10.1021/ja9734915 Supporting Info

Isotope Effects on Enzyme-Catalyzed Acyl Transfer from p-Nitrophenyl Acetate:  Concerted Mechanisms and Increased Hyperconjugation in the Transition State Robert A. Hess, Alvan C. Hengge, and W. W. Cleland pp 2703–2709 DOI: 10.1021/ja973413h

Computational Alchemy To Calculate Absolute Protein−Ligand Binding Free Energy Volkhard Helms and Rebecca C. Wade pp 2710–2713 DOI: 10.1021/ja9738539

Enhancing the Proline Effect:  Pseudo-Prolines for Tailoring Cis/Trans Isomerization Michael Keller, Cédric Sager, Pascal Dumy, Mike Schutkowski, Gunter S. Fischer, and Manfred Mutter pp 2714–2720 DOI: 10.1021/ja973966s Supporting Info

Insertion, Conductivity, and Structures of Conjugated Organic Oligomers in Self-Assembled Alkanethiol Monolayers on Au{111} M. T. Cygan, T. D. Dunbar, J. J. Arnold, L. A. Bumm, N. F. Shedlock, T. P. Burgin, L. Jones II, D. L. Allara, J. M. Tour, and P. S. Weiss pp 2721–2732 DOI: 10.1021/ja973448h Supporting Info

Infrared and Computational Studies of Spontaneously Adsorbed Amine Reagents on YBa2Cu3O7:  Structural Characterization of Monolayers atop Anisotropic Superconductor Surfaces Jason E. Ritchie, Cyndi A. Wells, Ji-Ping Zhou, Jianai Zhao, John T. McDevitt, Carl R. Ankrum, Luckner Jean, and David R. Kanis pp 2733–2745 DOI: 10.1021/ja9706920 Supporting Info

First Principles Molecular Dynamics Study of Ziegler−Natta Heterogeneous Catalysis Mauro Boero, Michele Parrinello, and Kiyoyuki Terakura pp 2746–2752 DOI: 10.1021/ja972367i

Molecular Recognition of Histidine-Tagged Molecules by Metal-Chelating Lipids Monitored by Fluorescence Energy Transfer and Correlation Spectroscopy Ingmar T. Dorn, Klaus R. Neumaier, and Robert Tampé pp 2753–2763 DOI: 10.1021/ja9735620

The Design of Efficient α-Helical C-Capping Auxiliaries Joel P. Schneider and William F. DeGrado pp 2764–2767 DOI: 10.1021/ja9726771 Supporting Info

Aldolase Antibodies of Remarkable Scope Torsten Hoffmann, Guofu Zhong, Benjamin List, Doron Shabat, James Anderson, Svetlana Gramatikova, Richard A. Lerner, and Carlos F. Barbas III pp 2768–2779 DOI: 10.1021/ja973676b Supporting Info

HIV-1 Reverse Transcriptase Can Discriminate between Two Conformationally Locked Carbocyclic AZT Triphosphate Analogues Victor E. Marquez, Abdallah Ezzitouni, Pamela Russ, Maqbool A. Siddiqui, Harry Ford, Jr., Ron J. Feldman, Hiroaki Mitsuya, Clifford George, and Joseph J. Barchi, Jr. pp 2780–2789 DOI: 10.1021/ja973535+ Supporting Info

Dipyridyl Amide-Functionalized Polymers Prepared by Ring-Opening-Metathesis Polymerization (ROMP) for the Selective Extraction of Mercury and Palladium Frank Sinner, Michael R. Buchmeiser, Richard Tessadri, Mathew Mupa, Klaus Wurst, and Günther K. Bonn pp 2790–2797 DOI: 10.1021/ja973495+

A Polystyrene−Oligothiophene−Polystyrene Triblock Copolymer Mark A. Hempenius, Bea M. W. Langeveld-Voss, John A. E. H. van Haare, Rene A. J. Janssen, Sergei S. Sheiko, Joachim P. Spatz, Martin Möller, and E. W. Meijer pp 2798–2804 DOI: 10.1021/ja972910v

Synthesis of Highly Functionalized Pyridines for Planar Polymers. Maximized π-Conjugation in Electron Deficient Macromolecules Yuxing Yao, Jaydeep J. S. Lamba, and James M. Tour pp 2805–2810 DOI: 10.1021/ja972744r

One-Electron Redox Potential of Thiobenzoic Acid. Kinetic Characteristics of Benzoylthiyl Radical β-Fragmentation Rong Zhao, Johan Lind, Gábor Merényi, and Trygve E. Eriksen pp 2811–2816 DOI: 10.1021/ja974136h

Total Synthesis of Roseophilin Alois Fürstner and Holger Weintritt pp 2817–2825 DOI: 10.1021/ja973846k Supporting Info

Kinetic Isotope Effects for Electron-Transfer Pathways in the Oxidative C−H Activation of Hydrocarbons T. M. Bockman, S. M. Hubig, and J. K. Kochi pp 2826–2830 DOI: 10.1021/ja974205s

Cyclopentadienylmolybdenum(II) and -(III) Complexes Containing Diene and Allyl Ligands. 2. Comparative Reactivity of the Isomeric Complexes CpMo(η-C3H5)(η-C4H6) with Either supine or prone Allyl and Either s-cis (Supine) or s-trans Butadiene Ligands toward Protons Rinaldo Poli and Li-Sheng Wang pp 2831–2842 DOI: 10.1021/ja972587w Supporting Info

Mechanistic Investigation of Catalytic Carbon−Carbon Bond Activation and Formation by Platinum and Palladium Phosphine Complexes Brian L. Edelbach, Rene J. Lachicotte, and William D. Jones pp 2843–2853 DOI: 10.1021/ja973368d Supporting Info

Isomerization of an η3-Allyl to an (E)-1-Propenyl in (C5Me5)(C5Me4CH2)TiC3H5:  Mechanism, Kinetics, and Thermodynamics Peter H. P. Brinkmann, Gerrit A. Luinstra, and Alejandro Saenz pp 2854–2861 DOI: 10.1021/ja972867b Supporting Info

Diastereomeric Δ-1,4,7,10-Tetrakis((R)-2-hydroxy-2-phenylethyl)- 1,4,7,10-tetraazacyclododecane and Its Alkali-Metal Complex Ions. A Potentiometric Titration, Nuclear Magnetic Resonance, and Molecular Orbital Study Sonya L. Whitbread, Peter Valente, Mark A. Buntine, Philip Clements, Stephen F. Lincoln, and Kevin P. Wainwright pp 2862–2869 DOI: 10.1021/ja973367l

Magneto-Structural Correlations in Linear and Bent Oxo-Bridged Transition-Metal Dimers:  Comparisons, Interpretations, and Predictions of Ground-State Magnetic Properties Högni Weihe and Hans U. Güdel pp 2870–2879 DOI: 10.1021/ja973021a

Electron Transfer Mechanism of Organocobalt Porphyrins. Site of Electron Transfer, Migration of Organic Groups, and Cobalt−Carbon Bond Energies in Different Oxidation States Shunichi Fukuzumi, Kenichi Miyamoto, Tomoyoshi Suenobu, Eric Van Caemelbecke, and Karl M. Kadish pp 2880–2889 DOI: 10.1021/ja973257e Supporting Info

Mechanistic Studies of Aliphatic Ligand Hydroxylation of a Copper Complex by Dioxygen:  A Model Reaction for Copper Monooxygenases Shinobu Itoh, Hajime Nakao, Lisa M. Berreau, Toshihiko Kondo, Mitsuo Komatsu, and Shunichi Fukuzumi pp 2890–2899 DOI: 10.1021/ja972809q

A Synthetic Route to Alkyl−PtIII Dinuclear Complexes from Olefins and Its Implication on the Olefin Oxidation Catalyzed by Amidate-Bridged PtIII Dinuclear Complexes Kazuko Matsumoto, Yuji Nagai, Jun Matsunami, Kazuhiro Mizuno, Takeya Abe, Ryosuke Somazawa, Jun Kinoshita, and Hideo Shimura pp 2900–2907 DOI: 10.1021/ja971129k Supporting Info

Switchable Columnar Metallomesogens. New Helical Self-Assembling Systems J. Barberá, R. Iglesias, J. L. Serrano, T. Sierra, M. R. de la Fuente, B. Palacios, M. A. Pérez-Jubindo, and J. T. Vázquez pp 2908–2918 DOI: 10.1021/ja9735012

α-Stabilization by Silyl and Phosphino Substitution Bettina Römer, Geo G. Gatev, Meili Zhong, and John I. Brauman pp 2919–2924 DOI: 10.1021/ja970279s

Bond Energies of Copper Ion−Ligand L Complexes CuL2+ Determined in the Gas Phase by Ion−Ligand Exchange Equilibria Measurements Haiteng Deng and Paul Kebarle pp 2925–2931 DOI: 10.1021/ja973814x

Effect of Fluorine Substitution on the Energies of Small Ring Compounds Kenneth B. Wiberg and Manuel Marquez pp 2932–2938 DOI: 10.1021/ja971413b Supporting Info

Solid State15N NMR and Theoretical Studies of Primary and Secondary Geometric H/D Isotope Effects on Low-Barrier NHN−Hydrogen Bonds Hans Benedict, Hans-Heinrich Limbach, Martin Wehlan, Wolf-Peter Fehlhammer, Nicolai S. Golubev, and Rudolf Janoschek pp 2939–2950 DOI: 10.1021/ja9719790

The Role of Homolytic Bond Dissociation Energy in the Deprotonation of Cation Radicals. Examples in the NADH Analogues Series Agnès Anne, Sylvie Fraoua, Valérie Grass, Jacques Moiroux, and Jean-Michel Savéant pp 2951–2958 DOI: 10.1021/ja973725k

Shorter Nonbonded Than Bonded Contacts or Nonclassical Metal-to-Saturated Carbon Atom Interactions? Robert Tomaszewski, Isabella Hyla-Kryspin, Charles L. Mayne, Atta M. Arif, Rolf Gleiter, and Richard D. Ernst pp 2959–2960 DOI: 10.1021/ja973189w Supporting Info

Design and Synthesis of Potent Sensitizers of Gram-Negative Bacteria Based on a Cholic Acid Scaffolding Chunhong Li, Adam S. Peters, Erik L. Meredith, Glenn W. Allman, and Paul B. Savage, pp 2961–2962 DOI: 10.1021/ja973881r Supporting Info

Cofactor-Induced Refinement of Catalytic Antibody Activity:  A Metal-Specific Allosteric Effect M. G. Finn, Richard A. Lerner, and Carlos F. Barbas, III pp 2963–2964 DOI: 10.1021/ja9737329 Supporting Info

Direct Photolysis of Phenacyl Protecting Groups Studied by Laser Flash Photolysis:  An Excited State Hydrogen Atom Abstraction Pathway Leads to Formation of Carboxylic Acids and Acetophenone Anamitro Banerjee and Daniel E. Falvey pp 2965–2966 DOI: 10.1021/ja971431t

Identification and Structural Characterization of the Predominant Species Present in Alkaline Hydroxyberyllate Solutions Hubert Schmidbaur, Michael Schmidt, Annette Schier, J. Riede, Toomas Tamm, and Pekka Pyykkö pp 2967–2968 DOI: 10.1021/ja974049p Supporting Info

Time-Resolved Small-Angle X-ray Scattering Studies of Nanocrystal Superlattice Self-Assembly Stephen Connolly, Stephen Fullam, Brian Korgel, and Donald Fitzmaurice pp 2969–2970 DOI: 10.1021/ja974273e

Chain Clusters through the Anionic Oligomerization of [Re2(μ-H)2(CO)8] M. Bergamo, T. Beringhelli, and G. D'AlfonsoP. Mercandelli, M. Moret, and A. Sironi pp 2971–2972 DOI: 10.1021/ja9740935 Supporting Info

Synthesis and Characterization of the First Mononuclear NiII Phosphorane Imino Complex Laura Crociani, Francesco Tisato, Fiorenzo Refosco, Giuliano Bandoli, Benedetto Corain, and Luigi M. Venanzi pp 2973–2974 DOI: 10.1021/ja9738440 Supporting Info

Carbostannylation of Alkynes Catalyzed by an Iminophosphine−Palladium Complex Eiji Shirakawa, Hiroto Yoshida, Takuya Kurahashi, Yoshiaki Nakao, and Tamejiro Hiyama pp 2975–2976 DOI: 10.1021/ja974206k Supporting Info

High-Spin Molecules:  Hexanuclear [Mn6O4Cl4(Me2dbm)6] (Me2dbmH = 4,4‘-Dimethyldibenzoylmethane) with a Near Tetrahedral [Mn6O4Cl4]6+ Core and a S = 12 Ground State Guillem Aromí, Juan-Pablo Claude, Michael J. Knapp, John C. Huffman, David N. Hendrickson, and George Christou pp 2977–2978 DOI: 10.1021/ja973996v Supporting Info

DNA Interactions of Two Clinical Camptothecin Drugs Stabilize Their Active Lactone Forms Danzhou Yang, J. Thompson Strode, H. Peter Spielmann, Andrew H.-J. Wang, and Thomas G. Burke pp 2979–2980 DOI: 10.1021/ja973433j Supporting Info

Photodissociation and Rebinding of H2O to Ferrous Sperm Whale Myoglobin Don C. Lamb, Valeri Prusakov, Niklas Engler, Andreas Ostermann, Peter Schellenberg, Fritz G. Parak, and G. Ulrich Nienhaus pp 2981–2982 DOI: 10.1021/ja973781l

Location of Guanidino Nitrogen of l-Arginine Substrate Bound to Neuronal Nitric Oxide Synthase (nNOS):  Determination by Q-band Pulsed ENDOR Spectroscopy David L. Tierney, Pavel Martasek, Peter E. Doan, Bettie Sue Siler Masters, and Brian M. Hoffman pp 2983–2984 DOI: 10.1021/ja973648t

A Microencapsulated Lewis Acid. A New Type of Polymer-Supported Lewis Acid Catalyst of Wide Utility in Organic Synthesis Shū Kobayashi and Satoshi Nagayama pp 2985–2986 DOI: 10.1021/ja9739289 Supporting Info

Synthesis, Spectroscopy, and Morphology of Tetrastilbenoidmethanes Warren J. Oldham, Jr., Rene J. Lachicotte, and Guillermo C. Bazan pp 2987–2988 DOI: 10.1021/ja974209x Supporting Info

Tetraphenylhexaazaanthracene:  A Case for Dominance of Cyanine Ion Stabilization Overwhelming 16π Antiaromaticity Katherine Hutchison, Gordana Srdanov, Robin Hicks, Huinan Yu, and Fred WudlThomas Strassner, Maja Nendel, and K. N. Houk pp 2989–2990 DOI: 10.1021/ja973558o Supporting Info

Advances in Carbanion Chemistry, Vol. 2 Edited by Victor Snieckus (University of Waterloos). JAI:  New York. 1996. vii + 272 pp. $109.50. ISBN 1-55938-548-0. Mukund P. Sibi p 2991 DOI: 10.1021/ja9755370

High Throughput Screening:  The Discovery of Bioactive Substances Edited by John P. Devlin (AART International, Inc.). Marcel Dekker:  New York. xxiv + 673 pp. $165.00. ISBN 0-8247-0067-8. Richard A. Day and Lisa L. Anderson p 2991 DOI: 10.1021/ja975615j

The Alkaloids:  Chemistry and Biology, Vol. 50. The Alkaloids:  Chemistry and Pharmacology Edited by Geoffrey A. Cordell (University of IllinoisChicago). Academic Press:  San Diego. 1998. xvi + 590 pp. $125.00. ISBN 0-12-469550-7. Tom H. Cheavens pp 2991–2992 DOI: 10.1021/ja975692e

Molecular Modeling:  Basic Principles & Applications, Vol. 5. Methods & Principles in Medicinal Chemistry Series By H.-D. Holtje (Heinrich-Heine-University) and G. Folkers (ETH Zurich). VCH:  Weinheim. 1997. xii + 194 pp. DM198.00. ISBN 3-527-29384-1. Bruce Paul Gaber p 2992 DOI: 10.1021/ja975531a

Advances in Asymmetric Synthesis, Vol. 2 Edited by Alfred Hassner (Bar-Ilan University). JAI Press:  Greenwich. 1997. x + 314 pp. $128.50. ISBN 1-59938-797-1. James S. Panek and Craig E. Masse p 2992 DOI: 10.1021/ja975585k

Issue 13

Side-Loop Polymers Based on the Hydrosilylation of Polybutadiene Kurt Baum, Jean C. Baum, and Tai Ho pp 2993–2996 DOI: 10.1021/ja973666a

A Voltage-Gated Ion Channel Based on a Bis-Macrocyclic Bolaamphiphile T. M. Fyles, D. Loock, and X. Zhou pp 2997–3003 DOI: 10.1021/ja972648q Supporting Info

Salicyloyl Cyclic Phosphate, a “Penicillin-Like” Inhibitor of β-Lactamases R. F. Pratt and Ned J. Hammar pp 3004–3006 DOI: 10.1021/ja973313b

1-N-Iminosugars:  Potent and Selective Inhibitors of β-Glycosidases Yoshitaka Ichikawa, Yasuhiro Igarashi, Mie Ichikawa, and Yoshitomo Suhara pp 3007–3018 DOI: 10.1021/ja973443k Supporting Info

Analysis of the Structure and Stability of a Backbone-Modified Oligonucleotide:  Implications for Avoiding Product Inhibition in Catalytic Template-Directed Synthesis Peizhi Luo, John C. Leitzel, Zheng-Yun J. Zhan, and David G. Lynn pp 3019–3031 DOI: 10.1021/ja972869w Supporting Info

Ribosome-Mediated Incorporation of Hydrazinophenylalanine into Modified Peptide and Protein Analogues Jennifer A. Killian, Mark D. Van Cleve, Yuda F. Shayo, and Sidney M. Hecht pp 3032–3042 DOI: 10.1021/ja974066e

Amination of Ketene:  A Theoretical Study Kuangsen Sung and Thomas T. Tidwell pp 3043–3048 DOI: 10.1021/ja972200p Supporting Info

On the Mechanism of Unexpected Potentiometric Response to Neutral Phenols by Liquid Membranes Based on Quaternary Ammonium SaltsSystematic Experimental and Theoretical Approaches Takashi Ito, Hanna Radecka, Koji Tohda, Kazunori Odashima, and Yoshio Umezawa pp 3049–3059 DOI: 10.1021/ja973179v Supporting Info

Totally and Partially Saturated Calixarene Analogues Ishay Columbus and Silvio E. Biali pp 3060–3067 DOI: 10.1021/ja974097+ Supporting Info

Titanocene-Based Method for Indole Synthesis Kazumasa Aoki, Andrew J. Peat, and Stephen L. Buchwald pp 3068–3073 DOI: 10.1021/ja972281p

Transition-Metal Aqua Complexes of 4,6-Dibenzofurandiyl-2,2‘-bis(4-phenyloxazoline). Effective Catalysis in Diels−Alder Reactions Showing Excellent Enantioselectivity, Extreme Chiral Amplification, and High Tolerance to Water, Alcohols, Amines, and Acids Shuji Kanemasa, Yoji Oderaotoshi, Shin-ichi Sakaguchi, Hidetoshi Yamamoto, Junji Tanaka, Eiji Wada, and Dennis P. Curran pp 3074–3088 DOI: 10.1021/ja973519c

A New and Highly Efficient Asymmetric Route to Cyclic α-Amino Phosphonates:  The First Catalytic Enantioselective Hydrophosphonylation of Cyclic Imines Catalyzed by Chiral Heterobimetallic Lanthanoid Complexes Harald Gröger, Yoshinobu Saida, Hiroaki Sasai, Kentaro Yamaguchi, Jürgen Martens, and Masakatsu Shibasaki pp 3089–3103 DOI: 10.1021/ja973872i Supporting Info

Intramolecular Nonbonded S···O Interaction Recognized in (Acylimino)thiadiazoline Derivatives as Angiotensin II Receptor Antagonists and Related Compounds Yoshimitsu Nagao, Terukage Hirata, Satoru Goto, Shigeki Sano, Akikazu Kakehi, Kinji Iizuka, and Motoo Shiro pp 3104–3110 DOI: 10.1021/ja973109o Supporting Info

Energetics of Metal−Ligand Multiple Bonds. A Combined Solution Thermochemical and ab Initio Quantum Chemical Study of MO Bonding in Group 6 Metallocene Oxo Complexes Lubin Luo, Giuseppe Lanza, Ignazio L. Fragalà, Charlotte L. Stern, and Tobin J. Marks pp 3111–3122 DOI: 10.1021/ja971010b Supporting Info

129Xe NMR Study of Adsorption and Dynamics of Xenon in AgA Zeolite Igor L. Moudrakovski, Christopher I. Ratcliffe, and John A. Ripmeester pp 3123–3132 DOI: 10.1021/ja973748z Supporting Info

Molecular Engineering in Homogeneous Catalysis:  One-Phase Catalysis Coupled with Biphase Catalyst Separation. The Fluorous-Soluble HRh(CO){P[CH2CH2(CF2)5CF3]3}3 Hydroformylation System István T. Horváth, Gábor Kiss, Raymond A. Cook, Jeffrey E. Bond, Paul A. Stevens, József Rábai, and Edmund J. Mozeleski pp 3133–3143 DOI: 10.1021/ja9738337

An Experimental and Density Functional Theoretical Investigation of Iron-57 Mössbauer Quadrupole Splittings in Organometallic and Heme-Model Compounds:  Applications to Carbonmonoxy-Heme Protein Structure Robert H. Havlin, Nathalie Godbout, Renzo Salzmann, Mark Wojdelski, William Arnold, Charles E. Schulz, and Eric Oldfield pp 3144–3151 DOI: 10.1021/ja972619f

General Simulations of Excited Quartet Spectra with Electron-Spin Polarizations:  The Excited Multiplet States of (Tetraphenylporphinato)zinc(II) Coordinated by p- or m-Pyridyl Nitronyl Nitroxides Kazuyuki Ishii, Jun-ichi Fujisawa, Atsushi Adachi, Seigo Yamauchi, and Nagao Kobayashi pp 3152–3158 DOI: 10.1021/ja973146f

Characterization of Low-Barrier Hydrogen Bonds. 8. Substituent Effects on the Strength and Geometry of the Formic Acid−Formate Anion Model System. An ab Initio and DFT Investigation Ganesh A. Kumar and Michael A. McAllister pp 3159–3165 DOI: 10.1021/ja972745j Supporting Info

A Simple Model of Water and the Hydrophobic Effect Kevin A. T. Silverstein, A. D. J. Haymet, and Ken A. Dill pp 3166–3175 DOI: 10.1021/ja973029k

Sequential Bond Dissociation Energies of M+(NH3)x (x = 1−4) for M = Ti−Cu Derek Walter and P. B. Armentrout pp 3176–3187 DOI: 10.1021/ja973202c Supporting Info

Salt Bridge Chemistry Applied to Gas-Phase Peptide Sequencing:  Selective Fragmentation of Sodiated Gas-Phase Peptide Ions Adjacent to Aspartic Acid Residues Sang-Won Lee, Hyun Sik Kim, and J. L. Beauchamp pp 3188–3195 DOI: 10.1021/ja973467r

First Synthesis, Experimental and Theoretical Vibrational Spectra of an Oxametallacycle on a Metal Surface G. Scott Jones, Manos Mavrikakis, Mark A. Barteau, and John M. Vohs pp 3196–3204 DOI: 10.1021/ja973609h

Reactions of Laser-Ablated Scandium Atoms with Nitrogen:  Matrix Infrared Spectra and DFT Calculations for Scandium Nitrides and the Fixation of Nitrogen by Two Scandium Atoms George V. Chertihin, Lester Andrews, and Charles W. Bauschlicher, Jr. pp 3205–3212 DOI: 10.1021/ja973701d

Potential Energy Surface of the C3H9+ Cations. Protonated Propane Pierre M. Esteves, Claudio J. A. Mota, A. Ramírez-Solís, and R. Hernández-Lamoneda pp 3213–3219 DOI: 10.1021/ja973784y

Cyclizations of 3-Chlorocarbanions to Cyclopropanes:  “Strain-Free” Transition States for Forming Highly Strained Rings Scott Gronert, Kristina Azizian, and Mark A. Friedman pp 3220–3226 DOI: 10.1021/ja974068z

Enrichment of Germanium-73 with the Magnetic Isotope Effect on the Hydrogen Abstraction Reaction of Triplet Benzophenone with Triethylgermane in an SDS Micellar Solution Masanobu Wakasa, Hisaharu Hayashi, Katuyoshi Ohara, and Takeo Takada pp 3227–3230 DOI: 10.1021/ja9739493

Photorefractivity in Polymer-Stabilized Nematic Liquid Crystals Gary P. Wiederrecht and Michael R. Wasielewski pp 3231–3236 DOI: 10.1021/ja974033z

Photodynamic Fluorescent Metal Ion Sensors with Parts per Billion Sensitivity Jeffrey D. Winkler, Corinne M. Bowen, and Veronique Michelet pp 3237–3242 DOI: 10.1021/ja974181p

Addition of Aromatic C−H Bonds to η3-Allenyl/Propargyl Complexes. Organoplatinum-Induced Electrophilic Aromatic Substitution Reactions Jwu-Ting Chen, Ray-Hsi Hsu, and Ai-Jan Chen pp 3243–3244 DOI: 10.1021/ja973926o Supporting Info

Femtosecond Dynamics of Transition States and the Concept of Concertedness:  Nitrogen Extrusion of Azomethane Reactions Eric W.-G. Diau, Osama K. Abou-Zied, Alfred A. Scala, and Ahmed H. Zewail pp 3245–3246 DOI: 10.1021/ja9743553

Pulsed EPR Studies of Particulate Methane Monooxygenase from Methylococcus Capsulatus (Bath):  Evidence for Histidine Ligation Sean J. Elliott, David W. Randall, R. David Britt, and Sunney I. Chan pp 3247–3248 DOI: 10.1021/ja972968+ Supporting Info

Attempted Generation of the Thionylphosphazene Cation [NSO(NPCl2)2]+:  Novel Reactivity and the Discovery of an Ambient Temperature Ring-Opening Polymerization Route to Poly(thionylphosphazenes) Derek P. Gates, Mark Edwards, Louise M. Liable-Sands, Arnold L. Rheingold, and Ian Manners pp 3249–3250 DOI: 10.1021/ja9740475 Supporting Info

Antibodies Can Recognize the Chiral Center of Free α-Amino Acids Oliver Hofstetter, Heike Hofstetter, Volker Schurig, Meir Wilchek, and Bernard S. Green pp 3251–3252 DOI: 10.1021/ja973680n Supporting Info

The Use of a Planar Chiral Ligand to Effect C−H Activation with Asymmetric Induction at an Iridium Center. Dramatically Different C−H Activation Stereoselectivities for Benzene and Cyclohexane T. Andrew Mobley and Robert G. Bergman pp 3253–3254 DOI: 10.1021/ja974323f Supporting Info

The Ansa-Effect in Zirconocene Chemistry:  The Syntheses and Interconversions of the Hydride Complexes {[Me2Si(C5Me4)2]Zr(H)(μ-H)}2, [Me2Si(C5Me4)2]ZrH2(PMe3), and [Me2Si(C5Me4)2]Zr(Ph)H Hyosun Lee, Peter J. Desrosiers, Ilia Guzei, Arnold L. Rheingold, and Gerard Parkin pp 3255–3256 DOI: 10.1021/ja9742242 Supporting Info

Synthesis and Structure of the Stable Paramagnetic Cyclopentadienyl Polyhydride Complexes [Cp*MH3(dppe)]+ (M = Mo, W):  Stronger M−H Bonds upon Oxidation Brett Pleune, Rinaldo Poli, and James C. Fettinger pp 3257–3258 DOI: 10.1021/ja9729488 Supporting Info

Molybdenum and Tungsten Structural Analogues of the Active Sites of the MoIV + [O] → MoVIO Oxygen Atom Transfer Couple of DMSO Reductases James P. Donahue, Christian Lorber, Ebbe Nordlander, and R. H. Holm pp 3259–3260 DOI: 10.1021/ja973917f Supporting Info

Cationic Porphyrins as Telomerase Inhibitors:  the Interaction of Tetra-(N-methyl-4-pyridyl)porphine with Quadruplex DNA Richard T. Wheelhouse, Daekyu Sun, Haiyong Han, Frank Xiaoguang Han, and Laurence H. Hurley pp 3261–3262 DOI: 10.1021/ja973792e Supporting Info

Synthesis and Structure of Isolated Silicon Clusters of Nine Atoms Virginie Quéneau, Evgeny Todorov, and Slavi C. Sevov pp 3263–3264 DOI: 10.1021/ja980044w Supporting Info

Electron Capture Dissociation of Multiply Charged Protein Cations. A Nonergodic Process Roman A. Zubarev, Neil L. Kelleher, and Fred W. McLafferty pp 3265–3266 DOI: 10.1021/ja973478k

Erythromycin Biosynthesis:  The β-Ketoreductase Domains Catalyze the Stereospecific Transfer of the 4-pro-S Hydride of NADPH Michael McPherson, Chaitan Khosla, and David E. Cane pp 3267–3268 DOI: 10.1021/ja980028z

Noncovalent Assembly of Microhelix Recognition by a Class II tRNA Synthetase Niranjan Y. Sardesai and Paul Schimmel pp 3269–3270 DOI: 10.1021/ja9742287

A Simple, Efficient Route to Cage Compounds via Zirconocene Coupling Feng-Quan Liu, Gabriele Harder, and T. Don Tilley pp 3271–3272 DOI: 10.1021/ja974351y Supporting Info

Burger's Medicinal Chemistry and Drug Discovery, 5th ed. Vol. 4. Therapeutic Agents Edited by Manfred E. Wolff (Technipharm Consultants). Wiley:  New York. 1997. vii + 656 pp. $225.00. ISBN 0-471-57559-3. Robert A. Faltynek p 3273 DOI: 10.1021/ja975560l

Highly Active Pd(II) PCP-Type Catalysts for the Heck Reaction J. Am. Chem. Soc. 1997, 119, 11687−11688 Manuela Ohff, Andreas Ohff, Milko E. van der Boom, and David Milstein p 3273 DOI: 10.1021/ja985501n

Materials Crystal Chemistry By Relva C. Buchanan and Taeun Park (University of Cincinnati). Marcel Dekker: New York. 1997. vii + 462 pp. $175.00. ISBN:  0-8247-9798-1. M. Stanley Whittingham pp 3273–3274 DOI: 10.1021/ja9756174

Topics in Applied Chemistry:  Phosphate Fibers By Edward J. Griffith (Monsanto Company). Plenum Press:  New York. 1995. xix + 227 pp. $75.00. ISBN 0-306-45-145-X. J. D. Keasling p 3274 DOI: 10.1021/ja965518a

New Developments in Construction and Functions of Organic Thin Films. Studies in Interface Science, No. 4 Edited by T. Kajiyama (Kyushu University Japan) and M. Aizawa (Tokyo Institute of Technology, Japan). Elsevier:  Amsterdam. 1996. iv + 359 pp. $265.75. ISBN 0-444-81956-8. Charles M. Knobler p 3274 DOI: 10.1021/ja975503s

Functional Monomers and Polymers, 2nd ed Edited by Kiichi Takemoto (Ryukoko University), Raphael M. Ottenbrite (Virginia Commonwealth University), and Mikiharu Kamachi (Osaka University). Marcel Dekker: New York. 1997. xi + 537 pp. $175. ISBN 0-8247-9991-7. Philip J. Reucroft p 3274 DOI: 10.1021/ja975625k

Issue 14

A Reversed Thioester Analogue of Acetyl-Coenzyme A:  An Inhibitor of Thiolase and a Synthon for Other Acyl-CoA Analogues Kurt W. Vogel and Dale G. Drueckhammer pp 3275–3283 DOI: 10.1021/ja971758u

Nickel-Based Probes of Nucleic Acid Structure Bind to Guanine N7 but Do Not Perturb a Dynamic Equilibrium of Extrahelical Guanine Residues Hui-Chen Shih, Ning Tang, Cynthia J. Burrows, and Steven E. Rokita pp 3284–3288 DOI: 10.1021/ja972175n Supporting Info

Postsynthetic Conjugation of Protected Oligonucleotides Containing 3‘-Alkylamines Dustin L. McMinn and Marc M. Greenberg pp 3289–3294 DOI: 10.1021/ja9740834 Supporting Info

Calculation of Relative Hydration Free Energy Differences for Heteroaromatic Compounds:  Use in the Design of Adenosine Deaminase and Cytidine Deaminase Inhibitors Mark D. Erion and M. Rami Reddy pp 3295–3304 DOI: 10.1021/ja972906j Supporting Info

Transport Dynamics in Ordered Bilayer Assemblies of the n-Alkanes on Pt(111) Adeana R. Bishop, Michael J. Hostetler, Gregory S. Girolami, and Ralph G. Nuzzo pp 3305–3315 DOI: 10.1021/ja970835i Supporting Info

Unified Mechanistic Framework for the Fe(II)-Induced Cleavage of Qinghaosu and Derivatives/Analogues. The First Spin-Trapping Evidence for the Previously Postulated Secondary C-4 Radical Wen-Min Wu, Yikang Wu, Yu-Lin Wu, Zhu-Jun Yao, Cheng-Ming Zhou, Ying Li, and Feng Shan pp 3316–3325 DOI: 10.1021/ja973080o Supporting Info

Tandem Asymmetric Cyclopropanation/Cope Rearrangement. A Highly Diastereoselective and Enantioselective Method for the Construction of 1,4-Cycloheptadienes Huw M. L. Davies, Douglas G. Stafford, Brian D. Doan, and Jeffrey H. Houser pp 3326–3331 DOI: 10.1021/ja974201n Supporting Info

Antibody-Catalyzed Decarboxylative Oxidation of Vanillylmandelic Acid F. Taran, P. Y. Renard, H. Bernard, C. Mioskowski, Y. Frobert, P. Pradelles, and J. Grassi pp 3332–3339 DOI: 10.1021/ja9724811

Using 11C/14C Incoming Group and Secondary α-Deuterium KIEs To Determine How a Change in Leaving Group Alters the Structure of the Transition State of the SN2 Reactions between m-Chlorobenzyl para-Substituted Benzenesulfonates and Cyanide Ion Kenneth C. Westaway, Yao-ren Fang, Jonas Persson, and Olle Matsson pp 3340–3344 DOI: 10.1021/ja972981u Supporting Info

One-Electron Photooxidation of N-Methionyl Peptides. Mechanism of Sulfoxide and Azasulfonium Diastereomer Formation through Reaction of Sulfide Radical Cation Complexes with Oxygen or Superoxide Brian L. Miller, Krzysztof Kuczera, and Christian Schöneich pp 3345–3356 DOI: 10.1021/ja973084t Supporting Info

Mechanism of Anionic [3 + 2] Cycloadditions. An ab Initio Computational Study on the Cycloaddition of Allyl-, 2-Borylallyl-, and 2-Azaallyllithium to Ethylene Frank Neumann, Christoph Lambert, and Paul von Ragué Schleyer pp 3357–3370 DOI: 10.1021/ja9735160 Supporting Info

12,15-Dichloro[3.0]orthometacyclophane:  A Highly Strained Biphenylophane Maurice J. van Eis, Franciscus J. J. de Kanter, Willem H. de Wolf, and Friedrich Bickelhaupt pp 3371–3375 DOI: 10.1021/ja973876n Supporting Info

Mechanistic Course of the Asymmetric Methoxyselenenylation Reaction Thomas Wirth, Gianfranco Fragale, and Martin Spichty pp 3376–3381 DOI: 10.1021/ja974177d

Evaluation of Molybdenum−Sulfur Interactions in Molybdoenzyme Model Complexes by Gas-Phase Photoelectron Spectroscopy. The “Electronic Buffer” Effect Barry L. Westcott, Nadine E. Gruhn, and John H. Enemark pp 3382–3386 DOI: 10.1021/ja972674o

Density Functional Theory Study of Transition-Metal Compounds Containing Metal−Metal Bonds. 2. Molecular Structures and Vibrational Spectra of Dinuclear Tetracarboxylate Compounds of Molybdenum and Rhodium F. Albert Cotton and Xuejun Feng pp 3387–3397 DOI: 10.1021/ja9738236

Tetranuclear Complexes Containing Quadruply Bonded Dimolybdenum Units Joined by μ-Hydride Ions F. Albert Cotton, Lee M. Daniels, Glenn T. Jordan IV, Chun Lin, and Carlos A. Murillo pp 3398–3401 DOI: 10.1021/ja973947i Supporting Info

Influence of Solvent on Aromatic Interactions in Metal Tris-Bipyridine Complexes Gloria A. Breault, Christopher A. Hunter, and Paul C. Mayers pp 3402–3410 DOI: 10.1021/ja973938+

Theoretical Studies of the Potential Energy Surfaces and Compositions of the d-Aldo- and d-Ketohexoses Buyong Ma, Henry F. Schaefer III, and Norman L. Allinger pp 3411–3422 DOI: 10.1021/ja9713439 Supporting Info

The Electronic Spectrum of Furan Ove Christiansen and Poul Jørgensen pp 3423–3430 DOI: 10.1021/ja973437o

Exploration of the Mechanism of the Oxidation of Sulfur Dioxide and Bisulfite by Hydrogen Peroxide in Water Clusters Using Ab Initio Methods Mark A. Vincent, Ian J. Palmer, Ian H. Hillier, and Elena Akhmatskaya pp 3431–3439 DOI: 10.1021/ja973640j

What Is the Mechanism of Catalysis of Ester Aminolysis by Weak Amine Bases? Comparison of Experimental Studies and Theoretical Investigation of the Aminolysis of Substituted Phenyl Esters of Quinoline-6- and -8-Carboxylic Acids Helgi Adalsteinsson and Thomas C. Bruice pp 3440–3447 DOI: 10.1021/ja972162+

Combined ab initio and Free Energy Calculations To Study Reactions in Enzymes and Solution:  Amide Hydrolysis in Trypsin and Aqueous Solution Robert V. Stanton, Mikael Peräkylä, Dirk Bakowies, and Peter A. Kollman pp 3448–3457 DOI: 10.1021/ja972723x

Formation of Peroxynitrate from the Reaction of Peroxynitrite with CO2:  Evidence for Carbonate Radical Production Sara Goldstein and Gidon Czapski pp 3458–3463 DOI: 10.1021/ja9733043

Effect of Surface Wettability on the Adsorption of Proteins and Detergents George B. Sigal, Milan Mrksich, and George M. Whitesides pp 3464–3473 DOI: 10.1021/ja970819l

Binding Energies of Protonated Betaine Complexes:  A Probe of Zwitterion Structure in the Gas Phase William D. Price, Rebecca A. Jockusch, and Evan R. Williams pp 3474–3484 DOI: 10.1021/ja972527q

Assignment of the Nε2H and Nδ1H Resonances at the Active-Center Histidine in Chymotrypsin and Subtilisin Complexed to Peptideboronic Acids without Specific 15N Labeling1 Donghui Bao, J.-T. Cheng, Charles Kettner, and Frank Jordan pp 3485–3489 DOI: 10.1021/ja972937e

A Synthetic Strategy for the Construction of Zeolite-Entrapped Organized Molecular Assemblies. Preparation and Photophysical Characterization of Interacting Adjacent Cage Dyads Comprised of Two Polypyridine Complexes of Ru(II) Milan Sykora, Krzysztof Maruszewski, Shelly M. Treffert-Ziemelis, and James R. Kincaid pp 3490–3498 DOI: 10.1021/ja9635847

Why Are Nitrenes More Stable than Carbenes? An Ab Initio Study Carl R. Kemnitz, William L. Karney, and Weston Thatcher Borden pp 3499–3503 DOI: 10.1021/ja973935x Supporting Info

Zirconocene-ate Zwitterionic Complexes: Preparation and X-ray Structure Yannick Miquel, Alain Igau, Bruno Donnadieu, Jean-Pierre Majoral, Nadine Pirio, and Philippe Meunier pp 3504–3505 DOI: 10.1021/ja973431z Supporting Info

Synthesis of Titanium Cyclynes Cp2Ti(OBET) and Cp*2Ti(OBET) and the Unusual Stability of the Bimetallic Complex Ni[Cp2Ti(OBET)] to CO and O2 Daming Zhang, David B. McConville, Joseph M. Hrabusa, III, Claire A. Tessier, and Wiley J. Youngs pp 3506–3507 DOI: 10.1021/ja9734105 Supporting Info

Force and Adhesion Measurements between Hydrogen-Bonded Layers of Glycine-Functionalized Amphiphiles James Schneider, Peter Berndt, Kraig Haverstick, Sanjay Kumar, Shiv Chiruvolu, and Matthew Tirrell pp 3508–3509 DOI: 10.1021/ja972779r

A High-Resolution17O NMR Study of Siliceous Zeolite Faujasite L. M. Bull, A. K. Cheetham, T. Anupold, A. Reinhold, A. Samoson, J. Sauer, B. Bussemer, Y. Lee, S. Gann, J. Shore, A. Pines, and R. Dupree pp 3510–3511 DOI: 10.1021/ja9743001

Detonations of Gallium Azides:  A Simple Route to Hexagonal GaN Nanocrystals Alissa C. Frank, Frank Stowasser, Harald Sussek, Hans Pritzkow, Claudio R. Miskys, Oliver Ambacher, Michael Giersig, and Roland A. Fischer pp 3512–3513 DOI: 10.1021/ja9738438 Supporting Info

Radical Reactions of Titanium(III) Propargyl Complexes. Titanacyclobutene Formation by Dimerization and by Regioselective Addition of Organic Free Radicals Sensuke Ogoshi and Jeffrey M. Stryker pp 3514–3515 DOI: 10.1021/ja972895u Supporting Info

Chiral Recognition of Lactic Acid Derivatives with Chromenone−Benzoxazole Receptors M. Almaraz, C. Raposo, M. Martín, M. C. Caballero, and J. R. Morán pp 3516–3517 DOI: 10.1021/ja972537r Supporting Info

Synthesis of the Enediyne Aglycon (±)-Calicheamicinone Ian Churcher, David Hallett, and Philip Magnus pp 3518–3519 DOI: 10.1021/ja9801543 Supporting Info

A Novel Synthetic Method for Cis-Opened Benzo[a]pyrene 7,8-Diol 9,10-Epoxide Adducts at the Exocyclic N6-Amino Group of Deoxyadenosine Anthony S. Pilcher, Haruhiko Yagi, and Donald M. Jerina pp 3520–3521 DOI: 10.1021/ja980176p Supporting Info

Polymerizable Lyotropic Liquid Crystals Containing Transition-Metal and Lanthanide Ions:  Architectural Control and Introduction of New Properties into Nanostructured Polymers Hai Deng, Douglas L. Gin, and Ryan C. Smith pp 3522–3523 DOI: 10.1021/ja9743654 Supporting Info

Structure of Apoptolidin, a Specific Apoptosis Inducer in Transformed Cells Yoichi Hayakawa, Jin Woo Kim, Hisashi Adachi, Kazuo Shin-ya, Ken-ichi Fujita, and Haruo Seto pp 3524–3525 DOI: 10.1021/ja9732643 Supporting Info

Demonstration of a Common Concerted Mechanistic Pathway for the Acid-Catalyzed Cyclization of 5,6-Unsaturated Oxiranes in Chemical and Enzymatic Systems E. J. Corey and Donnette Daley Staas pp 3526–3527 DOI: 10.1021/ja980096l Supporting Info

Remarkable Deprotonation Energies of Tetraphosphacubanes Steven M. Bachrach and BettyCep D. Gailbreath pp 3528–3529 DOI: 10.1021/ja974263d Supporting Info

Electrochemical Self-Assembly of Copper/Cuprous Oxide Layered Nanostructures Jay A. Switzer, Chen-Jen Hung, Ling-Yuang Huang, Eric R. Switzer, Daniel R. Kammler, Teresa D. Golden, and Eric W. Bohannan pp 3530–3531 DOI: 10.1021/ja974366w

Biological Iron−Sulfur Cluster Assembly. Detection of Kinetic Intermediates by Time-Resolved Fluorescence Spectroscopy Shumin Bian and J. A. Cowan pp 3532–3533 DOI: 10.1021/ja974296t Supporting Info

Recognition of 16 Base Pairs in the Minor Groove of DNA by a Pyrrole−Imidazole Polyamide Dimer John W. Trauger, Eldon E. Baird, and Peter B. Dervan pp 3534–3535 DOI: 10.1021/ja9800378

Sequence Selective Binding of Peptides by Artificial Receptors in Aqueous Solution Ronald Breslow, Zhiwei Yang, Rachel Ching, Gunter Trojandt, and Fabrice Odobel pp 3536–3537 DOI: 10.1021/ja973991y Supporting Info

Stereocontrolled Synthesis of the Fully Elaborated Aziridine Core of the Azinomycins Robert S. Coleman and Jian-She Kong pp 3538–3539 DOI: 10.1021/ja9801386 Supporting Info

Practical HPLC Method Development By Lloyd R. Snyder (L. C. Resources, Inc.), Joseph J. Kirkland (Rockland Technologies, Inc.), and Joseph L. Glajch (DuPont Merck Pharmaceutical Co.). Wiley:  New York. 1997. xxvi + 765 pp. $84.95. ISBN 0-471-00703-X. James D. Stuart p 3540 DOI: 10.1021/ja975555h

Analytical Method Development and Validation By Michael E. Swartz (Waters Corp.) and Ira S. Krull (Northeastern University). Marcel Dekker:  New York. 1997. 92 pp. $35.00. ISBN:  0-8247-0115-1. Barry H. Gump p 3540 DOI: 10.1021/ja975573z

Advances in Antiviral Drug Design Vol. 2. Edited by E. De Clercq (Katholieke Universiteit Leuven). JAI Press:  Greenwich, CT. 1996. x + 233 pp. $109.50. ISBN 1-55938-693-2. C. K. Chu p 3540 DOI: 10.1021/ja975589p

Issue 15

Recombinant Baker's Yeast as a Whole-Cell Catalyst for Asymmetric Baeyer−Villiger Oxidations Jon D. Stewart, Kieth W. Reed, Carlos A. Martinez, Jun Zhu, Gang Chen, and Margaret M. Kayser pp 3541–3548 DOI: 10.1021/ja972942i Supporting Info

Oxidative DNA Damage by Radicals Generated in the Thermolysis of Hydroxymethyl-Substituted 1,2-Dioxetanes through the α Cleavage of Chemiexcited Ketones Waldemar Adam, Simone Andler, Werner M. Nau, and Chantu R. Saha-Möller pp 3549–3559 DOI: 10.1021/ja9726318 Supporting Info

Theoretical Study of Microscopic Solvation of Lithium in Water Clusters:  Neutral and Cationic Li(H2O)n (n = 1−6 and 8) Kenro Hashimoto and Tetsuya Kamimoto pp 3560–3570 DOI: 10.1021/ja972726+ Supporting Info

Substrate Distortion to a Boat Conformation at Subsite −1 Is Critical in the Mechanism of Family 18 Chitinases Ken A. Brameld and William A. Goddard III pp 3571–3580 DOI: 10.1021/ja972282h

Comparative Biogenetic Anatomy of Vitamin B1: A 13C NMR Investigation of the Biosynthesis of Thiamin in Escherichia coli and in Saccharomyces cerevisiae Klaus Himmeldirk, Brian G. Sayer, and Ian D. Spenser pp 3581–3589 DOI: 10.1021/ja973835r

Pressure-Induced Deformation of the Cytochrome P450cam Active Site Richard A. Tschirret-Guth, Gaston Hui Bon Hoa, and Paul R. Ortiz de Montellano pp 3590–3596 DOI: 10.1021/ja973909z

Time-Resolved Spectroscopic Studies of B12 Coenzymes:  The Identification of a Metastable Cob(III)alamin Photoproduct in the Photolysis of Methylcobalamin Larry A. Walker, II, Joseph T. Jarrett, Neil A. Anderson, Stuart H. Pullen, Rowena G. Matthews, and Roseanne J. Sension pp 3597–3603 DOI: 10.1021/ja974024q Supporting Info

Synthesis of Water-Soluble Carbosilane Dendrimers Shane W. Krska and Dietmar Seyferth pp 3604–3612 DOI: 10.1021/ja971865o Supporting Info

A Thio-Diels−Alder Route to the Azocine Ring System. Total Synthesis of (±)-Otonecine Edwin Vedejs, Rocco J. Galante, and Peter G. Goekjian pp 3613–3622 DOI: 10.1021/ja973464e Supporting Info

Synthesis and Properties of Bismerocyanines Linked by a 1,8-Naphthylene Skeleton. Novel Solvatochromism Based on Change of Intramolecular Excitonic Coupling Mode Takashi Katoh, Yoshio Inagaki, and Renji Okazaki pp 3623–3628 DOI: 10.1021/ja973608p

Determination of the Nucleophilicities of Silyl and Alkyl Enol Ethers Jens Burfeindt, Matthias Patz, Michaela Müller, and Herbert Mayr pp 3629–3634 DOI: 10.1021/ja974003w Supporting Info

Attractive Interaction Caused by the Linear F···Se−C Alignment in Naphthalene Peri Positions Warô Nakanishi, Satoko Hayashi, Akira Sakaue, Go Ono, and Yuzo Kawada pp 3635–3640 DOI: 10.1021/ja974070q Supporting Info

Phenyl−Perfluorophenyl Stacking Interactions:  Topochemical [2+2] Photodimerization and Photopolymerization of Olefinic Compounds Geoffrey W. Coates, Alex R. Dunn, Lawrence M. Henling, Joseph W. Ziller, Emil B. Lobkovsky, and Robert H. Grubbs pp 3641–3649 DOI: 10.1021/ja974072a Supporting Info

Diels−Alder Reactions through Reversible Encapsulation Jongmin Kang, Göran Hilmersson, Javier Santamaría, and Julius Rebek, Jr. pp 3650–3656 DOI: 10.1021/ja973898+

Formation of Discrete, Functional Assemblies and Informational Polymers through the Hydrogen-Bonding Preferences of Calixarene Aryl and Sulfonyl Tetraureas Ronald K. Castellano and Julius Rebek, Jr. pp 3657–3663 DOI: 10.1021/ja974091k Supporting Info

Total Synthesis of (±)-Tazettine James H. Rigby, Alexandre Cavezza, and Mary Jane Heeg pp 3664–3670 DOI: 10.1021/ja974317j

Influence of Carbon Group Substituents on Bond Shift and Electrochemical Reduction of Cyclooctatetraene Stuart W. Staley, Russell A. Grimm, and Rachel A. Sablosky pp 3671–3674 DOI: 10.1021/ja963359p

Metal-Substituted Bacteriochlorophylls. 1. Preparation and Influence of Metal and Coordination on Spectra Gerhard Hartwich, Leszek Fiedor, Ingrid Simonin, Edmund Cmiel, Wolfgang Schäfer, Dror Noy, Avigdor Scherz, and Hugo Scheer pp 3675–3683 DOI: 10.1021/ja970874u Supporting Info

Metal-Substituted Bacteriochlorophylls. 2. Changes in Redox Potentials and Electronic Transition Energies Are Dominated by Intramolecular Electrostatic Interactions Dror Noy, Leszek Fiedor, Gerhard Hartwich, Hugo Scheer, and Avigdor Scherz pp 3684–3693 DOI: 10.1021/ja970875m

Systematic Variation of Bidentate Ligands Used in Aryl Halide Amination. Unexpected Effects of Steric, Electronic, and Geometric Perturbations Blake C. Hamann and John F. Hartwig pp 3694–3703 DOI: 10.1021/ja9721881

Tetranuclear Manganese-Oxo Aggregates Relevant to the Photosynthetic Water Oxidation Center. Crystal Structure, Spectroscopic Properties and Reactivity of Adamantane-Shaped [Mn4O6(bpea)4]4+ and the Reduced Mixed-Valence Analog [Mn4O6(bpea)4]3+ Christopher E. Dubé, David W. Wright, Samudranil Pal, Peter J. Bonitatebus, Jr., and William H. Armstrong pp 3704–3716 DOI: 10.1021/ja973668v Supporting Info

Long-Range Electronic Coupling in Bis(cyclometalated) Ruthenium Complexes Cendrine Patoux, Jean-Pierre Launay, Marc Beley, Sandrine Chodorowski-Kimmes, Jean-Paul Collin, Stuart James, and Jean-Pierre Sauvage pp 3717–3725 DOI: 10.1021/ja974137+

Peptidyl N-Nitrosoanilines:  A Novel Class of Cysteine Protease Inactivators, Zhengmao Guo, Johnny Ramirez, Jun Li, and Peng George Wang pp 3726–3734 DOI: 10.1021/ja974187e Supporting Info

pKa Shift Effects on Backbone Amide Base-Catalyzed Hydrogen Exchange Rates in Peptides Federico Fogolari, Gennaro Esposito, Paolo Viglino, James M. Briggs, and J. Andrew McCammon pp 3735–3738 DOI: 10.1021/ja963133m

Vibrational Spectroscopy of a Picosecond, Structurally-Restricted Intermediate Containing a Seven-Membered Ring in the Room-Temperature Photoreaction of an Artificial Rhodopsin F. Jäger, Jihong Lou, Koji Nakanishi, L. Ujj, and G. H. Atkinson pp 3739–3747 DOI: 10.1021/ja972560c

Radical Cation of N,N-Dimethylpiperazine:  Dramatic Structural Effects of Orbital Interactions through Bonds A. M. Brouwer, J. M. Zwier, C. Svendsen, O. S. Mortensen, F. W. Langkilde, and R. Wilbrandt pp 3748–3757 DOI: 10.1021/ja9735721 Supporting Info

Lipid−Peptide Communication in Fluid Bilayers Motonari Shibakami, Minoru Inagaki, and Steven L. Regen pp 3758–3761 DOI: 10.1021/ja9737275 Supporting Info

On the Nature and Incidence of β-Agostic Interactions in Ethyl Derivatives of Early Transition Metals:  Ethyltitanium Trichloride and Related Compounds Arne Haaland, Wolfgang Scherer, Kenneth Ruud, G. Sean McGrady, Anthony J. Downs, and Ole Swang pp 3762–3772 DOI: 10.1021/ja9737578 Supporting Info

The Nature of the Gallium−Gallium Triple Bond Yaoming Xie, R. S. Grev, Jiande Gu, Henry F. Schaefer III, Paul v. R. Schleyer, Jianrui Su, Xiao-Wang Li, and Gregory H. Robinson pp 3773–3780 DOI: 10.1021/ja9739300 Supporting Info

Picosecond to Microsecond Photodynamics of a Nonplanar Nickel Porphyrin:  Solvent Dielectric and Temperature Effects Charles Michael Drain, Steve Gentemann, James A. Roberts, Nora Y. Nelson, Craig J. Medforth, Songling Jia, M. Cather Simpson, Kevin M. Smith, Jack Fajer, John A. Shelnutt, and Dewey Holten pp 3781–3791 DOI: 10.1021/ja974101h Supporting Info

Gas-Phase Reactivity of the 2,6- and 3,5-Dimethylenepyridinium Biradicals Eric D. Nelson, Kami K. Thoen, and Hilkka I. Kenttämaa pp 3792–3798 DOI: 10.1021/ja974159w

Guest-Incorporation in Ternary Clathrate Formation Is Random but Shows Site-Selectivity Naoto Hayashi, Koji Kuruma, Yasuhiro Mazaki, Tatsuro Imakubo, and Keiji Kobayashi pp 3799–3800 DOI: 10.1021/ja9739749 Supporting Info

New Metathesis Methodololgy Leading to Angularly-Fused Polycyclic Quinones and Related Compounds Matthew J. Heileman, Ralf Tiedemann, and Harold W. Moore pp 3801–3802 DOI: 10.1021/ja980039s Supporting Info

Spin-State-Selective Polarization or Excitation for Simultaneous E.COSY-Type Measurement of 3J(C‘,Hα) and 3J(HN,Hα) Coupling Constants with Enhanced Sensitivity and Resolution in Multidimensional NMR Spectroscopy of 13C,15N-Labeled Proteins Axel Meissner, Thomas Schulte-Herbrüggen, and Ole Winneche Sørensen pp 3803–3804 DOI: 10.1021/ja973358c

Tandem Cyclization/Hydrosilylation of Functionalized 1,6-Dienes Catalyzed by a Cationic Palladium Complex Ross A. Widenhoefer and Michael A. DeCarli pp 3805–3806 DOI: 10.1021/ja980242n Supporting Info

A Ketyl Radical-Anion “Triggered” [3,3]-Sigmatropic Shift Eric J. Enholm, Kelley M. Moran, Paul E. Whitley, and Merle A. Battiste pp 3807–3808 DOI: 10.1021/ja974272m Supporting Info

Palladium-Catalyzed Hydrocarboxylation of Allenes Mohammad Al-Masum and Yoshinori Yamamoto pp 3809–3810 DOI: 10.1021/ja974223+ Supporting Info

Probing Molecular Vibrations at Catalytically Significant Interfaces:  A New Ubiquity of Surface-Enhanced Raman Scattering Shouzhong Zou, Christopher T. Williams, Eddy K.-Y. Chen, and Michael J. Weaver pp 3811–3812 DOI: 10.1021/ja9801590 Supporting Info

Improved NOE-Based Sequential Correlation of Base and 1‘ Proton Resonances in Labeled Nucleic Acids Edward P. Nikonowicz, Malgorzata Michnicka, and Eric DeJong pp 3813–3814 DOI: 10.1021/ja973961v Supporting Info

Model Studies Indicate That Copper Phenanthroline Induces Direct Strand Breaks via β-Elimination of the 2‘-Deoxyribonolactone Intermediate Observed in Enediyne Mediated DNA Damage Tongqian Chen and Marc M. Greenberg pp 3815–3816 DOI: 10.1021/ja9800075 Supporting Info

A New Chiral Bis(oxazolinylmethyl)amine Ligand for Ru-Catalyzed Asymmetric Transfer Hydrogenation of Ketones Yutong Jiang, Qiongzhong Jiang, and Xumu Zhang pp 3817–3818 DOI: 10.1021/ja974095p Supporting Info

One-Pot Template Synthesis and Properties of a Molecular Bowl:  Dodecaaza Macrotetracycle with μ3-Oxo and μ3-Hydroxo Tricopper(II) Cores Myunghyun Paik Suh, Mi Young Han, Jea Ho Lee, Kil Sik Min, and Changbong Hyeon pp 3819–3820 DOI: 10.1021/ja9721780 Supporting Info

Organic Photochemistry. Series:  Molecular and Supramolecular Photochemistry, Vol. 1 Edited by V. Ramamurthy (Tulane University) and Kirk S. Schanze (University of Florida). Marcel Dekker:  New York. 1997. X + 593 pp. $195.00. ISBN 0-8247012-0 Mark S. Workentin p 3821 DOI: 10.1021/ja975620n

Chemometrics in Environmental Analysis By J. W. Einax, H. W. Zwanziger, and S. Geiss. VCH Publishing: Weinheim, Federal Republic of Germany. 1997. 384 pp. ISBN 3-527-28772-8. Somenath Mitra p 3821 DOI: 10.1021/ja975630o

High-Pressure Techniques in Chemistry and Physics:  A Practical Approach. Edited by Wilfried B. Holzapfel (University of Paderborn) and Neil S. Isaacs (University of Reading). Oxford University Press:  New York. 1997. vii + 388 pp. ISBN 0-19-855811-2. Henry C. Brenner pp 3821–3822 DOI: 10.1021/ja9756578

Ionomers:  Synthesis, Structure, Properties and Applications Edited by M. R. Tant (Eastman Chemical Company), K. A. Mauritz (University of Southern Mississippi), and G. L. Wilkes (Virginia Polytechnic Institute & State University). Chapman & Hall:  New York. 1997. xiv + 514 pp. $144.95. ISBN 0-7514-0392-X. Robert B. Moore p 3822 DOI: 10.1021/ja975614r

Issue 16

Characterization of a Substrate-Derived Radical Detected during the Inactivation of Ribonucleotide Reductase from Escherichia coli by 2‘-Fluoromethylene-2‘-deoxycytidine 5‘-Diphosphate Gary J. Gerfen, Wilfred A. van der Donk, Guixue Yu, James R. McCarthy, Esa T. Jarvi, Donald P. Matthews, Christian Farrar, Robert G. Griffin, and JoAnne Stubbe pp 3823–3835 DOI: 10.1021/ja972166e

Template Assembled Synthetic Proteins (TASPs). Are Template Size, Shape, and Directionality Important in Formation of Four-Helix Bundles? Allan K. Wong, Michael P. Jacobsen, Donald J. Winzor, and David P. Fairlie pp 3836–3841 DOI: 10.1021/ja971951o

Reactivity Controlled by Lattice Interactions in Crystal:  Intermolecular Acyl Transfer in (±)-2,4-Di-O-benzoyl-myo-inositol 1,3,5-Orthoformate Thoniyot Praveen, Uttamkumar Samanta, Tanya Das, Mysore S. Shashidhar, and Pinak Chakrabarti pp 3842–3845 DOI: 10.1021/ja9731332 Supporting Info

Molecular Electronic Structure and Energetics of the Isomers of Ti2H6 Simon P. Webb and Mark S. Gordon pp 3846–3857 DOI: 10.1021/ja973195s Supporting Info

Walden-Inversion-Enforced Transition-State Stabilization in a Protein Tyrosine Phosphatase Cristobal Alhambra, Li Wu, Zhong-Yin Zhang, and Jiali Gao pp 3858–3866 DOI: 10.1021/ja972578n

Tetrahedral Stars as Flexible Basis Clusters in sp-Bonded Intermetallic Frameworks and the Compound BaLi7Al6 with the NaZn13 Structure Ulrich Häussermann, Christer Svensson, and Sven Lidin pp 3867–3880 DOI: 10.1021/ja973335y Supporting Info

A Native-Like Three-α-Helix Bundle Protein from Structure-Based Redesign:  A Novel Maquette Scaffold Jonas S. Johansson, Brian R. Gibney, Jack J. Skalicky, A. Joshua Wand, and P. Leslie Dutton pp 3881–3886 DOI: 10.1021/ja973538m

Hydrolysis of (2-Deoxy-α-d-Glucopyranosyl)pyridinium Salts:  The 2-Deoxyglucosyl Oxocarbenium Is Not Solvent-Equilibrated in Water Jiang Zhu and Andrew J. Bennet pp 3887–3893 DOI: 10.1021/ja973945y Supporting Info

Pseudo-A(1,3) Strain as a Key Conformational Control Element in the Design of Poly-l-proline Type II Peptide Mimics Rui Zhang, Floyd Brownewell, and Jose S. Madalengoitia pp 3894–3902 DOI: 10.1021/ja972494e Supporting Info

Rearrangement of 1-(1-Alkynyl)cyclopropanols to 2-Cyclopentenones via Their Hexacarbonyldicobalt Complexes. A New Use of Alkyne−Co2(CO)6 Complexes in Organic Synthesis Nobuharu Iwasawa, Takeshi Matsuo, Mari Iwamoto, and Taketo Ikeno pp 3903–3914 DOI: 10.1021/ja9734004 Supporting Info

Convergent Synthesis of N-Linked Glycopeptides on a Solid Support J. Y. Roberge, X. Beebe, and S. J. Danishefsky pp 3915–3927 DOI: 10.1021/ja9740071 Supporting Info

Photoionization of Organic Phosphates by 193 nm Laser Light in Aqueous Solution:  Rapid Intramolecular H-Transfer to the Primarily Formed Phosphate Radical. A Model for Ionization-Induced Chain-Breakage in DNA? Steen Steenken and Ludmila Goldbergerova pp 3928–3934 DOI: 10.1021/ja974393m

Total Syntheses of (−)-Macrolactin A, (+)-Macrolactin E, and (−)-Macrolactinic Acid:  An Exercise in Stille Cross-Coupling Chemistry Amos B. Smith, III and Gregory R. Ott pp 3935–3948 DOI: 10.1021/ja980203b Supporting Info

Magnetic Circular Dichroism Spectroscopic Studies of Mononuclear Non-Heme Ferrous Model Complexes. Correlation of Excited- and Ground-State Electronic Structure with Geometry Elizabeth G. Pavel, Nobumasa Kitajima, and Edward I. Solomon pp 3949–3962 DOI: 10.1021/ja973735l Supporting Info

A Theoretical Study of Unimolecular Reactions of Dimethyl Persulfoxide Michael L. McKee pp 3963–3969 DOI: 10.1021/ja973017z Supporting Info

Theoretical Interpretation of Conductivity Measurements of a Thiotolane Sandwich. A Molecular Scale Electronic Controller Jorge M. Seminario, Angelica G. Zacarias, and James M. Tour pp 3970–3974 DOI: 10.1021/ja973639k Supporting Info

Modern Valence-Bond Description of Chemical Reaction Mechanisms:  Diels−Alder Reaction Peter B. Karadakov, David L. Cooper, and Joseph Gerratt pp 3975–3981 DOI: 10.1021/ja9741741

Evaluation of the Lifetime of Gaseous Ion−Neutral Complexes. 1. A Chemical Activation Study Massimiliano Aschi, Marina Attinà, Fulvio Cacace, and Giuseppe D'Arcangelo pp 3982–3987 DOI: 10.1021/ja964338y

Effective Polarity of Frozen Solvent Glasses in the Vicinity of Dipolar Solutes Gerold U. Bublitz and Steven G. Boxer pp 3988–3992 DOI: 10.1021/ja971665c

Experimental and Theoretical ab Initio Study of the 13C−13C Spin−Spin Coupling and 1H and 13C Shielding Tensors in Ethane, Ethene, and Ethyne Jaakko Kaski, Perttu Lantto, Juha Vaara, and Jukka Jokisaari pp 3993–4005 DOI: 10.1021/ja972936m Supporting Info

Proton Transfer in the Enzyme Carbonic Anhydrase:  An ab Initio Study Dongsheng Lu and Gregory A. Voth pp 4006–4014 DOI: 10.1021/ja973397o

New Type of Photochemical Carbon Skeletal Rearrangement:  Transformation of α,β-Unsaturated Carbonyl to 1,4-Dicarbonyl Compounds Shoji Matsumoto, Yasutaka Okubo, and Koichi Mikami pp 4015–4016 DOI: 10.1021/ja972393g Supporting Info

Total Synthesis of Goniocin and Cyclogoniodenin T. Unique Biosynthetic Implications Santosh C. Sinha, Anjana Sinha, Subhash C. Sinha, and Ehud Keinan pp 4017–4018 DOI: 10.1021/ja973696d Supporting Info

Silanolytic Chain Transfer in Ziegler−Natta Catalysis. Organotitanium-Mediated Formation of New Silapolyolefins and Polyolefin Architectures Kwangmo Koo and Tobin J. Marks pp 4019–4020 DOI: 10.1021/ja972194x Supporting Info

Silyl Cuprate Couplings: Less Silicon, Accelerated, Yet Catalytic in Copper Bruce H. Lipshutz, Joseph A. Sclafani, and Toshikatsu Takanami pp 4021–4022 DOI: 10.1021/ja980152i Supporting Info

Asymmetric Redox-Active Dendrimers Containing a Ferrocene Subunit. Preparation, Characterization, and Electrochemistry Claudia M. Cardona and Angel E. Kaifer pp 4023–4024 DOI: 10.1021/ja9742951 Supporting Info

Synthesis of a Benzenium Ion in a Zeolite with Use of a Catalytic Flow Reactor Teng Xu, Dewey H. Barich, Patrick W. Goguen, Weiguo Song, Zhike Wang, John B. Nicholas, and James F. Haw pp 4025–4026 DOI: 10.1021/ja973791m

Stereoselective, Intermolecular Dienyltosylamide/Alkynyliodonium Salt Additions in the Synthesis of Fused Bicyclic Dihydropyrrole Derivatives Ken S. Feldman and David A. Mareska pp 4027–4028 DOI: 10.1021/ja980100t Supporting Info

Phosphorus-Containing Dendrimers:  Chemoselective Functionalization of Internal Layers Christophe Larré, Bruno Donnadieu, Anne-Marie Caminade, and Jean-Pierre Majoral pp 4029–4030 DOI: 10.1021/ja973994a Supporting Info

Observation of Acetyl Radical in a Zeolite by Time-Resolved FT-IR Spectroscopy Sergey Vasenkov and Heinz Frei pp 4031–4032 DOI: 10.1021/ja980119w

Novel and Highly Regio- and Stereoselective Nickel-Catalyzed Homoallylation of Benzaldehyde with 1,3-Dienes Masanari Kimura, Akihiro Ezoe, Kazufumi Shibata, and Yoshinao Tamaru pp 4033–4034 DOI: 10.1021/ja973847c Supporting Info

Triple Ion Formation in Localized Organolithium Reagents Hans J. Reich, William H. Sikorski, Birgir Ö. Gudmundsson, and Robert R. Dykstra pp 4035–4036 DOI: 10.1021/ja9741382

Spectroscopic Characterization of the Cu(II) Sites in the Fet3 Protein, the Multinuclear Copper Oxidase from Yeast Required for High-Affinity Iron Uptake Daniel J. Kosman and Richard HassettDaniel S. YuanJohn McCracken pp 4037–4038 DOI: 10.1021/ja974104u

Enantioselective Total Synthesis of Hispidospermidin Larry E. Overman and Adam L. Tomasi pp 4039–4040 DOI: 10.1021/ja974361z Supporting Info

Catalytic Enantioselective Ring-Closing Metathesis by a Chiral Biphen−Mo Complex John B. Alexander, Daniel S. La, Dustin R. Cefalo, Amir H. Hoveyda, and Richard R. Schrock pp 4041–4042 DOI: 10.1021/ja974353i Supporting Info

A Catalytic Michael Addition of Thiols to α,β-Unsaturated Carbonyl Compounds:  Asymmetric Michael Additions and Asymmetric Protonations Eita Emori, Takayoshi Arai, Hiroaki Sasai, and Masakatsu Shibasaki pp 4043–4044 DOI: 10.1021/ja980397v Supporting Info

Theoretical Evidence for a Concerted Mechanism of the Oxirane Cleavage and A-Ring Formation in Oxidosqualene Cyclization Daqing Gao and Yuh-Kang PanKyoungrim Byun and Jiali Gao pp 4045–4046 DOI: 10.1021/ja973983h Supporting Info

Binuclear Complexes as Models for Adjacent-Metal Involvement in C−H Bond-Cleavage and C−C Bond-Formation Steps Relevant to Fischer−Tropsch Chemistry Jeffrey R. Torkelson, Robert McDonald, and Martin Cowie pp 4047–4048 DOI: 10.1021/ja973927g Supporting Info

Highly Active Iron and Cobalt Catalysts for the Polymerization of Ethylene Brooke L. Small, Maurice Brookhart, and Alison M. A. Bennett pp 4049–4050 DOI: 10.1021/ja9802100 Supporting Info

Asymmetric Hydroformylation of Olefins in a Highly Cross-Linked Polymer Matrix Kyoko Nozaki, Yohei Itoi, Fumitoshi Shibahara, Eiji Shirakawa, Tetsuo Ohta, Hidemasa Takaya, and Tamejiro Hiyama pp 4051–4052 DOI: 10.1021/ja973408d Supporting Info

Charge Transfer Complexes in Biological Systems Edited by Felix Gutman, Cissy Johnson, Hendrik Keyzer, and Joseph Molar. Marcel Dekker:  New York. 1977. xviii + 543 pp. $195.00. ISBN 0-8247-9986-0. Roger M. Leblanc and Qun Huo p 4053 DOI: 10.1021/ja975574r

A Handbook of Nuclear Magnetic Resonance, 2nd Edition By Ray Freeman (Cambridge University). Addison Wesley Longman:  Essex. 1997. xx + 344 pp. £45.00. ISBN 0-582-25184-2. Peter L. Rinaldi p 4053 DOI: 10.1021/ja9755931

Handbook of Engineering Polymeric Materials Edited by Nicholas P. Cheremisinoff. Marcel Dekker:  New York. 1997. xii + 881 pp. $225.00. ISBN 0-8247-9799-X. Richard L. Kiefer pp 4053–4054 DOI: 10.1021/ja975649r

Chemical Reactions and Their Control on the Femtosecond Time Scale. Series:  Advances in Chemical Physics, No. 101 Edited by Pierre Gaspard (University Libre de Bruxelles) and Irene Burghardt (University of Bonn). Wiley/VCH:  New York. 1997. xxix + 947 pp. $145.00. ISBN 0-471-18048-3. Robert J. Levis p 4054 DOI: 10.1021/ja975665o

Molecular Modeling:  Principles and Applications By Andrew R. Leach (Glaxo Wellcome R&D). Addison Wesley Longman:  Essex. 1996. xvi + 595 pp. £35.00. ISBN 0-582-23933-8. David L. Beveridge pp 4054–4055 DOI: 10.1021/ja965801+

Methods in Enzymology, Vol. 286:  Lipases Part B Enzyme Characterization and Utilization Edited by Byron Rubin (Lipomed) and Edward A. Dennis (University of CaliforniaSan Diego). Academic Press:  San Diego. 1997. $99.00. xxxi + 563 pp. ISBN 0-12-182187-0. Romas Kazlauskas p 4055 DOI: 10.1021/ja975675p

Statistical Mechanics for Chemists By Jerry Goodisman (Syracuse University). Wiley-VCH:  New York. 1997. xi + 344 pp. $64.95. ISBN 0-471-16812-2. Paul E. Smith pp 4055–4056 DOI: 10.1021/ja9756477

Hypervalent Iodine in Organic Synthesis By Anastasios Varvoglis (Aristotelian University of Thessaloniki, Greece). Edited by A. R. Katritzky (University of FloridaGainesville), O. Meth-Cohn (University of Sunderland), and C. W. Rees (Imperial College of Science and TechnologyLondon). Academic Press:  San Diego. 1997. xix + 223 pp. ISBN 0-12-714975-9. Robert M. Moriarty p 4056 DOI: 10.1021/ja975507x

Advances in Molecular Structure Research, Vol. 2 Edited by Magdolna Hargittai (Hungarian Academy of Sciences) and Istvan Hargittai (Budapest Technical University). JAI Press:  Greenwich. 1996. ix + 255 pp. $109.50. ISBN 0-7623-0025-6. Anne-Marie Sapse p 4056 DOI: 10.1021/ja9755828

Issue 17

Oxygen-18 Kinetic Isotope Effect Studies of the Tyrosine Hydroxylase Reaction:  Evidence of Rate Limiting Oxygen Activation Wilson A. Francisco, Gaochao Tian, Paul F. Fitzpatrick, and Judith P. Klinman pp 4057–4062 DOI: 10.1021/ja973543q

Cooperative Nucleophilic and General-Acid Catalysis by the HisH+−His Pair and Arginine Transition State Binding in Catalysis of Ester Hydrolysis Reactions by Designed Helix−Loop−Helix Motifs Kerstin S. Broo, Helena Nilsson, Jonas Nilsson, Anna Flodberg, and Lars Baltzer pp 4063–4068 DOI: 10.1021/ja9737580

Stability of Chimeric DNA/RNA Cytosine Tetrads:  Implications for i-Motif Formation by RNA Delphine Collin and Kalle Gehring pp 4069–4072 DOI: 10.1021/ja973346r Supporting Info

Direct Electrochemistry of Myoglobin and Cytochrome P450cam in Alternate Layer-by-Layer Films with DNA and Other Polyions Yuri M. Lvov, Zhongqing Lu, John B. Schenkman, Xiaolin Zu, and James F. Rusling pp 4073–4080 DOI: 10.1021/ja9737984 Supporting Info

Structure and Reactivity of Lithium Diisopropylamide Solvated by Polyamines:  Evidence of Monomer- and Dimer-Based Dehydrohalogenations Julius F. Remenar and David B. Collum pp 4081–4086 DOI: 10.1021/ja9741279 Supporting Info

Relative One-Electron Reduction Potentials of Carotenoid Radical Cations and the Interactions of Carotenoids with the Vitamin E Radical Cation Ruth Edge, Edward J. Land, David McGarvey, Louise Mulroy, and T. George Truscott pp 4087–4090 DOI: 10.1021/ja974191q

Chiral-Auxiliary-Induced Diastereoselectivity in the [4 + 2] Cycloadditions of Optically Active 2,2-Dimethyloxazolidine Derivatives of Sorbic Acid:  A Model Study with Singlet Oxygen as the Smallest Dienophile Waldemar Adam, Markus Güthlein, E.-M. Peters, Karl Peters, and Thomas Wirth pp 4091–4093 DOI: 10.1021/ja980059u Supporting Info

Supramolecular Membranes. Spontaneous Assembly of Aqueous Bilayer Membrane via Formation of Hydrogen Bonded Pairs of Melamine and Cyanuric Acid Derivatives Nobuo Kimizuka, Takayoshi Kawasaki, Kiyoko Hirata, and Toyoki Kunitake pp 4094–4104 DOI: 10.1021/ja974379+ Supporting Info

Conformational Studies and Structure−Activity Analysis of Lissoclinamide 7 and Related Cyclopeptide Alkaloids Peter Wipf, Paul C. Fritch, Steven J. Geib, and Andrea M. Sefler pp 4105–4112 DOI: 10.1021/ja973580h

Chiral Crotylsilane-Based Approach to Benzoquinoid Ansamycins:  Total Synthesis of (+)-Macbecin I James S. Panek, Feng Xu, and Ana C. Rondón pp 4113–4122 DOI: 10.1021/ja974318b Supporting Info

Total Synthesis of (+)-Mycotrienol and (+)-Mycotrienin I:  Application of Asymmetric Crotylsilane Bond Constructions Craig E. Masse, Michael Yang, Jason Solomon, and James S. Panek pp 4123–4134 DOI: 10.1021/ja9743194 Supporting Info

The Rubredoxin from Clostridium pasteurianum:  Mutation of the Iron Cysteinyl Ligands to Serine. Crystal and Molecular Structures of Oxidized and Dithionite-Treated Forms of the Cys42Ser Mutant Zhiguang Xiao, Megan J. Lavery, Mustafa Ayhan, Sergio D. B. Scrofani, Matthew C. J. Wilce, J. Mitchell Guss, Peter A. Tregloan, Graham N. George, and Anthony G. Wedd pp 4135–4150 DOI: 10.1021/ja973162c Supporting Info

Dynamics of Polar Solvation in Lecithin/Water/Cyclohexane Reverse Micelles Dale M. Willard, Ruth E. Riter, and Nancy E. Levinger pp 4151–4160 DOI: 10.1021/ja980086k

Electron-Transfer Component in Hydroxyl Radical Reactions Observed by Time Resolved Resonance Raman Spectroscopy G. N. R. Tripathi pp 4161–4166 DOI: 10.1021/ja9800838

Cage and Entropy Effects in the Dynamics of Dissociative Electron Transfer Claude P. Andrieux, Jean-Michel Savéant, and Caroline Tardy pp 4167–4175 DOI: 10.1021/ja972598p

Kinetics of Nested Inorganic Fullerene-like Nanoparticle Formation Y. Feldman, V. Lyakhovitskaya, and R. Tenne pp 4176–4183 DOI: 10.1021/ja973205p

Monocyclic Enediynes:  Relationships between Ring Sizes, Alkyne Carbon Distances, Cyclization Barriers, and Hydrogen Abstraction Reactions. Singlet−Triplet Separations of Methyl-Substituted p-Benzynes Peter R. Schreiner pp 4184–4190 DOI: 10.1021/ja973591a Supporting Info

An Examination of the Cloud Curves of Liquid−Liquid Immiscibility in Aqueous Solutions of Alkyl Polyoxyethylene Surfactants Using the SAFT-HS Approach with Transferable Parameters M. Nieves García-Lisbona, Amparo Galindo, George Jackson, and Andrew N. Burgess pp 4191–4199 DOI: 10.1021/ja9736525

Magic Electron Counts for Networks of Condensed Clusters:  Vertex-Sharing Aluminum Octahedra Grigori V. Vajenine and Roald Hoffmann pp 4200–4208 DOI: 10.1021/ja974132c

Crystal Structures and Stereodynamics of Neutral Hexacoordinate Silicon Chelates:  Use of an Optically Active Ligand for Assignment of an Intramolecular Ligand Exchange Process Daniel Kost, Inna Kalikhman, Sonia Krivonos, Dietmar Stalke, and Thomas Kottke pp 4209–4214 DOI: 10.1021/ja9730021 Supporting Info

Fluorescence Studies of Self-Assembly in Aqueous Solutions of Poly(ethylene-co-methacrylic acid) Ionomers Ewa Szajdzinska-Pietek, Marian Wolszczak, Andrzej Plonka, and Shulamith Schlick pp 4215–4221 DOI: 10.1021/ja9735517

Synthesis and Structure of a Dinuclear Cobalt Complex Bridged by Nonsubstituted Borylene−Trimethylphosphine Mamoru Shimoi, Sachiko Ikubo, and Yasuro KawanoKinji Katoh and Hiroshi Ogino pp 4222–4223 DOI: 10.1021/ja974357n Supporting Info

Highly Fluorinated Weakly Coordinating Monocarborane Anions. 1-H-CB11F11-, 1-CH3-CB11F11-, and the Structure of [N(n-Bu)4]2[CuCl(CB11F11)] Sergei V. Ivanov, Juston J. Rockwell, Oleg G. Polyakov, Christine M. Gaudinski, Oren P. Anderson, Konstantin A. Solntsev, and Steven H. Strauss pp 4224–4225 DOI: 10.1021/ja973827a Supporting Info

Excited-State Coordination Chemistry:  A New Quenching Mechanism Thomas Dougherty, Charles Hicks, Anthony Maletta, Jianwei Fan, Irina Rutenberg, and Harry D. Gafney pp 4226–4227 DOI: 10.1021/ja9724396

Exchange Couplings between a Hydride and a Stretched Dihydrogen Ligand in Ruthenium Complexes Yannick Guari, Sylviane Sabo-Etienne, and Bruno Chaudret pp 4228–4229 DOI: 10.1021/ja971603m Supporting Info

Chemical Shift and Structure Relationship in Nucleic Acids:  Correlation of Backbone Torsion Angles γ and α with 13C Chemical Shifts Xiao-Ping Xu, Wing-Lok A. K. Chiu, and Steve C. F. Au-Yeung pp 4230–4231 DOI: 10.1021/ja972607u Supporting Info

Nature of the Coupling between the High-Spin Fe(III) Heme and CuB(II) in the Active Site of Terminal Oxidases:  Dual-Mode EPR Spectra of Fluoride Cytochrome bo3 Vasily S. Oganesyan, Clive S. Butler, Nicholas J. Watmough, Colin Greenwood, Andrew J. Thomson, and Myles R. Cheesman pp 4232–4233 DOI: 10.1021/ja974050o

Prompt and Delayed Electron Photoejection from Triamminecopper(I) and Formation of a Dinuclear Excited State Complex in Aqueous Solution Kenneth L. Stevenson and Pamela B. BellOttó Horváth and Attila Horváth pp 4234–4235 DOI: 10.1021/ja974015h

Rules for Antiparallel β-Sheet Design:  d-Pro-Gly Is Superior to l-Asn-Gly for β-Hairpin Nucleation1 Heather E. Stanger and Samuel H. Gellman pp 4236–4237 DOI: 10.1021/ja973704q Supporting Info

A Chiral Lewis-Acid-Catalyzed Diels−Alder Reaction. Water-Enhanced Enantioselectivity Sijbren Otto, Giovanni Boccaletti, and Jan B. F. N. Engberts pp 4238–4239 DOI: 10.1021/ja972772+

Amino Acid Derived Nickelacycles:  Intermediates in Nickel-Mediated Polypeptide Synthesis Timothy J. Deming pp 4240–4241 DOI: 10.1021/ja980313i Supporting Info

Catalytic Asymmetric Allylation of Imines via Chiral Bis-π-allylpalladium Complexes Hiroyuki Nakamura, Kaori Nakamura, and Yoshinori Yamamoto pp 4242–4243 DOI: 10.1021/ja973540d Supporting Info

Iridium Hydride Complex Catalyzed Addition of Nitriles to Carbon−Nitrogen Triple Bonds of Nitriles Hikaru Takaya, Takeshi Naota, and Shun-Ichi Murahashi pp 4244–4245 DOI: 10.1021/ja974106e Supporting Info

Novel Strategy for Oligosaccharide Synthesis Featuring Reiterative Alkynol Cycloisomerization Frank E. McDonald and Hugh Y. H. Zhu pp 4246–4247 DOI: 10.1021/ja980196r Supporting Info

Platinum-Catalyzed Silaborative Coupling of 1,3-Dienes to Aldehydes:  Regio- and Stereoselective Allylation with Dienes through Allylic Platinum Intermediates Michinori Suginome, Hiroshi Nakamura, Takanori Matsuda, and Yoshihiko Ito pp 4248–4249 DOI: 10.1021/ja980373o Supporting Info

Thermomorphic Rhodium(I) and Palladium(0) Catalysts David E. Bergbreiter, Yun-Shan Liu, and Philip L. Osburn pp 4250–4251 DOI: 10.1021/ja980136l Supporting Info

Direct EPR Spectroscopic Evidence for an Allylic Radical Generated from (E)-2‘-Fluoromethylene-2‘-deoxycytidine 5‘-Diphosphate by E. coli Ribonucleotide Reductase Wilfred A. van der Donk, Gary J. Gerfen, and JoAnne Stubbe pp 4252–4253 DOI: 10.1021/ja9740273 Supporting Info

C−F Bond Cleavage by Mass-Selected Free Radicals at Fluorinated Self-Assembled Monolayer Surfaces J. Shen, V. Grill, and R. G. Cooks pp 4254–4255 DOI: 10.1021/ja9740531

Chirality in Industry II:  Developments in the Manufacture and Applications of Optically Active Compounds Edited by A. N. Colins (Zeneca Specialties, Manchester, U.K.), G. N. Sheldrake (The Queen's University of Belfast, U.K.), and J. Crosby (Zeneca Pharmaceuticals, Macclesfield, U.K.). Wiley:  New York. 1995. xiv + 411 pp. $215.00. ISBN 0-471-96680-0. P. V. Ramachandran p 4256 DOI: 10.1021/ja975603y

Catalytic Asymmetric Syntheses of Antifungal Sphingofungins and Their Biological Activity as Potent Inhibitors of Serine Palmitoyltransferase (SPT) J. Am. Chem. Soc. 1998, 120, 908−919 Shu Kobayashi, Takayuki Furuta, Takaomi Hayashi, Masahiro Nishijima, and Kentaro Hanada p 4256 DOI: 10.1021/ja9855040

Time-of-Flight Mass Spectrometry:  Instrumentation and Applications in Biological Research By Robert J. Cotter (The Johns Hopkins University). ACS:  Washington, DC. 1997. xvi + 326 pp. $119.95. ISBN 0-8412-3474-4. Gary R. Kinsel pp 4256–4257 DOI: 10.1021/ja975651i

Experimental Innovations in Surface Science:  A Guide to Practical Laboratory Methods and Instruments By John T. Yates, Jr. (University of Pittsburgh). Springer:  Newark. 1997. $89.95. xv + 904 pp. ISBN 0-387-98332-5. J. M. White p 4257 DOI: 10.1021/ja975687a

Heterocyclic Chemistry. Third Edition By Thomas L. Gilchrist (University of Liverpool). Addison Wesley Longman:  Essex. 1997. xvii + 414 pp. £22.99. ISBN 0-582-27843-0. Louis D. Quin pp 4257–4258 DOI: 10.1021/ja9756376

Thermodynamics of Molecular Species By Ernest Grunwald (Brandeis University, Massachusetts). John Wiley:  New York. 1997. xx + 323 pp. $64.95. ISBN 0-471-01254-B. James K. Baird p 4258 DOI: 10.1021/ja9755018

Ion Properties By Yizhak Marcus (Hebrew University of Jerusalem). Marcel Dekker:  New York, Basel, Hong Kong. 1997. iv + 259 pp. $135.00. ISBN 0-8247-0011-2. Michael R. Wasielewski p 4258 DOI: 10.1021/ja975635l

Issue 18

Insights into the Solvent Dependence of Chymotryptic Prochiral Selectivity Tao Ke and Alexander M. Klibanov pp 4259–4263 DOI: 10.1021/ja9802201

Inhibition of Serine β-Lactamases by Acyl Phosph(on)ates:  A New Source of Inert Acyl [and Phosphyl] Enzymes Naixin Li and R. F. Pratt pp 4264–4268 DOI: 10.1021/ja9741537

Studies of Naphthyl-Substituted β-Cyclodextrins. Self-Aggregation and Inclusion of External Guests Shelli R. McAlpine and Miguel A. Garcia-Garibay pp 4269–4275 DOI: 10.1021/ja972810p

Mechanistic Investigations on the Highly Stereoselective Allylation of Aldehydes with a Norpseudoephedrine Derivative Lutz F. Tietze, Christian Wulff, Christoph Wegner, Ansgar Schuffenhauer, and Kai Schiemann pp 4276–4280 DOI: 10.1021/ja974390+

Solution Structure of an Intramolecular Pyrimidine−Purine−Pyrimidine Triplex Containing an RNA Third Strand Charlotte H. Gotfredsen, Peter Schultze, and Juli Feigon pp 4281–4289 DOI: 10.1021/ja973221m

Protein Crystals as Novel Microporous Materials Lev Z. Vilenchik, James P. Griffith, Nancy St. Clair, Manuel A. Navia, and Alexey L. Margolin pp 4290–4294 DOI: 10.1021/ja973449+

Oligocatenanes Made to Order1 David B. Amabilino, Peter R. Ashton, Vincenzo Balzani, Sue E. Boyd, Alberto Credi, Ju Young Lee, Stephan Menzer, J. Fraser Stoddart, Margherita Venturi, and David J. Williams pp 4295–4307 DOI: 10.1021/ja9720873 Supporting Info

Structure and Spectra of Ferrous Dioxygen and Reduced Ferrous Dioxygen Model Cytochrome P450 Dan Harris, Gilda Loew, and Lucy Waskell pp 4308–4318 DOI: 10.1021/ja974110q Supporting Info

Selective Derivatization of Resorcarenes. 3. C2-Symmetrical and Transcavity Bridged Bis-Benzoxazines Derived from C2v-Symmetrical Tetratosylates Alexander Shivanyuk, Christian Schmidt, Volker Böhmer, Erich F. Paulus, Oleg Lukin, and Walter Vogt pp 4319–4326 DOI: 10.1021/ja9729286 Supporting Info

Change of Rate Limiting Step in General Acid-Catalyzed Benzo[a]pyrene Diol Epoxide Hydrolysis Bin Lin, Nafisa Islam, Steve Friedman, H. Yagi, Donald M. Jerina, and Dale L. Whalen pp 4327–4333 DOI: 10.1021/ja972982m Supporting Info

Design, Synthesis, and Conformational Analysis of a Proposed Type I β-Turn Mimic Brian E. Fink, Phil R. Kym, and John A. Katzenellenbogen pp 4334–4344 DOI: 10.1021/ja974023y Supporting Info

Rh−DuPHOS-Catalyzed Enantioselective Hydrogenation of Enol Esters. Application to the Synthesis of Highly Enantioenriched α-Hydroxy Esters and 1,2-Diols Mark J. Burk, Christopher S. Kalberg, and Antonio Pizzano pp 4345–4353 DOI: 10.1021/ja974278b Supporting Info

A Zirconocene-Coupling Route to Substituted Poly(p-phenylenedienylene)s:  Band Gap Tuning via Conformational Control Brett L. Lucht, Shane S. H. Mao, and T. Don Tilley pp 4354–4365 DOI: 10.1021/ja9743811 Supporting Info

Sol−Gel-Encapsulated Alcohol Dehydrogenase as a Versatile, Environmentally Stabilized Sensor for Alcohols and Aldehydes Amy K. Williams and Joseph T. Hupp pp 4366–4371 DOI: 10.1021/ja973772c Supporting Info

False Minima in X-ray Structure Solutions Associated with a “Partial Polar Ambiguity”:  Single Crystal X-ray and Neutron Diffraction Studies on the Eight-Coordinate Tungsten Hydride Complexes, W(PMe3)4H2X2 (X = F, Cl, Br, I) and W(PMe3)4H2F(FHF) Vincent J. Murphy, Daniel Rabinovich, Tony Hascall, Wim T. Klooster, Thomas F. Koetzle, and Gerard Parkin pp 4372–4387 DOI: 10.1021/ja974086g Supporting Info

In Situ Solid-State NMR Studies of Trichloroethylene Photocatalysis: Formation and Characterization of Surface-Bound Intermediates Son-Jong Hwang, Chris Petucci, and Daniel Raftery pp 4388–4397 DOI: 10.1021/ja974192i

EPR Investigation of Photoinduced Radical Pair Formation and Decay to a Triplet State in a Carotene−Porphyrin−Fullerene Triad Donatella Carbonera, Marilena Di Valentin, Carlo Corvaja, Giancarlo Agostini, Giovanni Giacometti, Paul A. Liddell, Darius Kuciauskas, Ana L. Moore, Thomas A. Moore, and Devens Gust pp 4398–4405 DOI: 10.1021/ja9712074

A MAS NMR Method for Measuring 13C−17O Distances Lamy Chopin, Shimon Vega, and Terry Gullion pp 4406–4409 DOI: 10.1021/ja9732183

Electron Spin Echo Envelope Modulation Spectroscopy Reveals and Distinguishes Equatorial and Axial Nitrogen Ligands Bound to VO2+ Russell LoBrutto, Brent J. Hamstra, Gerard J. Colpas, Vincent L. Pecoraro, and Wayne D. Frasch pp 4410–4416 DOI: 10.1021/ja973517s

Oriented Self-Assembly of Cyclic Peptide Nanotubes in Lipid Membranes Hui Sun Kim, Jeffrey D. Hartgerink, and M. Reza Ghadiri pp 4417–4424 DOI: 10.1021/ja9735315 Supporting Info

A New Mechanism for Chemically Induced Dynamic Nuclear Polarization in the Solid State Gunnar Jeschke pp 4425–4429 DOI: 10.1021/ja973744u

Rearrangement of Dimethylcarbene to Propene:  Study by Laser Flash Photolysis and ab Initio Molecular Orbital Theory Francis Ford, Tetsuro Yuzawa, Matthew S. Platz, Stephan Matzinger, and Markus Fülscher pp 4430–4438 DOI: 10.1021/ja9724598 Supporting Info

Reaction of Organic Sulfides with Singlet Oxygen. A Revised Mechanism Frank Jensen, Alexander Greer, and Edward L. Clennan pp 4439–4449 DOI: 10.1021/ja973782d

Ring Strain Energies from ab Initio Calculations Todor Dudev and Carmay Lim pp 4450–4458 DOI: 10.1021/ja973895x

Physical Origin of the Opsin Shift of Bacteriorhodopsin. Comprehensive Analysis Based on Medium Effect Theory of Absorption Spectra Hirohiko Houjou, Yoshio Inoue, and Minoru Sakurai pp 4459–4470 DOI: 10.1021/ja973941t

Quasi-Atomistic Receptor Surface Models:  A Bridge between 3-D QSAR and Receptor Modeling Angelo Vedani, Max Dobler, and Peter Zbinden pp 4471–4477 DOI: 10.1021/ja973976t

Synthesis and Properties of Metalloporphyrin Monolayers and Stacked Multilayers Bound to an Electrode via Site Specific Axial Ligation to a Self-Assembled Monolayer David A. Offord, Sandra B. Sachs, Matthew S. Ennis, Todd A. Eberspacher, John H. Griffin, Christopher E. D. Chidsey, and James P. Collman pp 4478–4487 DOI: 10.1021/ja973528l Supporting Info

Observation of the Resting and Pulsed States of Cytochrome c Oxidase in Electrode-Supported Lipid Bilayer Membranes James D. Burgess, Melissa C. Rhoten, and Fred M. Hawkridge pp 4488–4491 DOI: 10.1021/ja974275z

Preparation and Characterization of Dendrimer Monolayers and Dendrimer−Alkanethiol Mixed Monolayers Adsorbed to Gold Hideo Tokuhisa, Mingqi Zhao, Lane A. Baker, Vy T. Phan, Daniel L. Dermody, Maurie E. Garcia, Robert F. Peez, Richard M. Crooks, and Thomas M. Mayer pp 4492–4501 DOI: 10.1021/ja9742904 Supporting Info

Air Stability of Alkanethiol Self-Assembled Monolayers on Silver and Gold Surfaces Mark H. Schoenfisch and Jeanne E. Pemberton pp 4502–4513 DOI: 10.1021/ja974301t Supporting Info

A Convenient Three-Component Synthesis of Substituted Cyclopentadienyl Tricarbonyl Rhenium Complexes Filippo Minutolo and John A. Katzenellenbogen pp 4514–4515 DOI: 10.1021/ja980433q Supporting Info

Derivatization of Porous Silicon by Grignard Reagents at Room Temperature Namyong Y. Kim and Paul E. Laibinis pp 4516–4517 DOI: 10.1021/ja9712231 Supporting Info

Spectroscopic Evidence for Inner-Sphere Coordination of Metal Ions to the Active Site of a Hammerhead Ribozyme Lynette A. Cunningham, Jing Li, and Yi Lu pp 4518–4519 DOI: 10.1021/ja973251p Supporting Info

Synthesis of Furopyridines via Cycloaddition of Unactivated Nitriles with Tungsten-Substituted 1,3-Diene Wen-Tai Li, Fang-Chun Lai, Gene-Hsian Lee, Shie-Ming Peng, and Rai-Shung Liu pp 4520–4521 DOI: 10.1021/ja973915v Supporting Info

Interaction of Arsenate with the Molybdenum Site of Sulfite Oxidase Graham N. George, Robert M. Garrett, Tyler Graf, Roger C. Prince, and K. V. Rajagopalan pp 4522–4523 DOI: 10.1021/ja973473n

Discordant Results on FeCO Deformability in Heme Proteins Reconciled by Density Functional Theory Thomas G. Spiro and Pawel M. Kozlowski pp 4524–4525 DOI: 10.1021/ja9732946

Entropy−Enthalpy Compensation in Solvation and Ligand Binding Revisited Emilio Gallicchio, Masahito Mogami Kubo, and Ronald M. Levy pp 4526–4527 DOI: 10.1021/ja974061h

Synthesis of Oriented Inorganic−Organic Nanocomposite Films from Alkyltrialkoxysilane−Tetraalkoxysilane Mixtures Atsushi Shimojima, Yoshiyuki Sugahara, and Kazuyuki Kuroda pp 4528–4529 DOI: 10.1021/ja980236r

Optically Active Poly(aryl carbonates) Consisting of Axially Chiral Units. Chiral Binaphthyl Group Induced Helical Polymer Toshikazu Takata, Yoshio Furusho, Ken-ichi Murakawa, Takeshi Endo, Hideo Matsuoka, Takashi Hirasa, Jyuho Matsuo, and Masahiko Sisido pp 4530–4531 DOI: 10.1021/ja974337l Supporting Info

Selective Resonance Raman Scattering from Chlorophyll Z in Photosystem II via Excitation into the Near-Infrared Absorption Band of the Cation Agnes Cua, David H. Stewart, Gary W. Brudvig, and David F. Bocian pp 4532–4533 DOI: 10.1021/ja980207g

Synthesis of the First Members of a New Class of Biologically Active Bryostatin Analogues Paul A. Wender, Jef De Brabander, Patrick G. Harran, Juan-Miguel Jimenez, Michael F. T. Koehler, Blaise Lippa, Cheol-Min Park, and Makoto Shiozaki pp 4534–4535 DOI: 10.1021/ja9727631 Supporting Info

Remarkably Wide Range of Bond Distance Adjustment of d9−d9 Pd−Pd Interactions to Change in Coordination Environment Tetsuro Murahashi, Toshiaki Otani, Eiko Mochizuki, Yasushi Kai, and Hideo KurosawaShigeyoshi Sakaki pp 4536–4537 DOI: 10.1021/ja972206e Supporting Info

Precision and Uncertainty in the Characterization of Anisotropic Rotational Diffusion by 15N Relaxation Martin Blackledge, Florence Cordier, Patrice Dosset, and Dominique Marion pp 4538–4539 DOI: 10.1021/ja9742646 Supporting Info

Generation and Reactivity of a Triplet 1,4-Biradical Conformationally Trapped in a Crystalline Cyclopentanone Krisztina Peterfy and Miguel A. Garcia-Garibay pp 4540–4541 DOI: 10.1021/ja980112e

Higher Order Structure in the Gas Phase Reflects Solution Structure Joseph A. Loo, John X. He, and Wayne L. Cody pp 4542–4543 DOI: 10.1021/ja980422x

[16.16.16](1,3,5)Cyclophanetetracosayne (C60H6):  A Precursor to C60 Fullerene Yoshito Tobe, Nobuko Nakagawa, Koichiro Naemura, Tomonari Wakabayashi, Tadamasa Shida, and Yohji Achiba pp 4544–4545 DOI: 10.1021/ja9803308 Supporting Info

Polarized FTIR Spectroscopy Distinguishes Peptide Backbone Changes in the M and N Photointermediates of Bacteriorhodopsin Hideki Kandori pp 4546–4547 DOI: 10.1021/ja9739897

Catalytic, Enantioselective Alkylation of α-Imino Esters Using Late Transition Metal Phosphine Complexes as Catalysts Dana Ferraris, Brandon Young, Travis Dudding, and Thomas Lectka pp 4548–4549 DOI: 10.1021/ja9802450 Supporting Info

A Catalytic Enantioselective Synthesis of the Endothelin Receptor Antagonists SB-209670 and SB-217242. A Base-Catalyzed Stereospecific Formal 1,3-Hydrogen Transfer of a Chiral 3-Arylindenol William M. Clark, Ann M. Tickner-Eldridge, G. Kris Huang, Lendon N. Pridgen, Mark A. Olsen, Robert J. Mills, Ivan Lantos, and Neil H. Baine pp 4550–4551 DOI: 10.1021/ja973882j Supporting Info

Silole-Incorporated Polysilanes1a Takanobu Sanji, Takahiro Sakai, Chizuko Kabuto, and Hideki Sakurai pp 4552–4553 DOI: 10.1021/ja973252h Supporting Info

Advances in Photochemistry, Vol. 22 Edited by Douglas C. Neckers (Bowling Green State University), David H. Volman (University of California at Davis), and Gunther Von Bünau (University of Siegen). Wiley/VCH:  New York. 1997. ix + 288 pp. $120.00. ISBN 0-471-16999-4. Nina M. Roscher p 4554 DOI: 10.1021/ja975641h

A Microencapsulated Lewis Acid. A New Type of Polymer-Supported Lewis Acid Catalyst of Wide Utility in Organic Synthesis J. Am. Chem. Soc. 1998, 120, 2985−2986 Shu Kobayashi and Satoshi Nagayama p 4554 DOI: 10.1021/ja985505s

Controlled Drug Delivery:  Challenges and Strategies Edited by Kinam Park (Purdue University). American Chemical Society:  Washington, DC. 1997. xvii + 629 pp. $145.95. ISBN 0-8412-3418-3. James Blanchard pp 4554–4555 DOI: 10.1021/ja9756228

Studies in Natural Products Chemistry:  Volume 18, Stereoselective Synthesis (Park K) Edited by Atta-ur-Rahman (University of Karachi, Pakistan). Elsevier:  Amsterdam and New York. 1996. xiv + 1094 pp. $603.50. ISBN 0-444-82458-8. Kenn E. Harding pp 4555–4556 DOI: 10.1021/ja9657317

Handbook of Nanophase Materials Edited by Avery N. Goldstein (The Dow Chemical Company). Dekker:  New York. 1997. vii + 369 pp. $165.00. ISBN 0-8247-9469-9. Dion G. Vlachos p 4556 DOI: 10.1021/ja9756026

Progress in Ion Exchange:  Advances and Applications Edited by A. Dyer (University of Salford, U.K.), M. J. Hudson (University of Reading, U.K.), and P. A. Williams (North East Wales Institute, Wrexham, U.K.). American Chemical Society:  Washington, DC. 1997. xii + 498 pp. $174.00. ISBN 0-85404-791-3. Dale D. Ensor p 4556 DOI: 10.1021/ja975654v

Issue 19

Copper-Mediated Nuclease Activity of a Tambjamine Alkaloid Sumit Borah, Matt S. Melvin, Niels Lindquist, and Richard A. Manderville pp 4557–4562 DOI: 10.1021/ja9729746 Supporting Info

Formation of Oligonucleotide−PNA−Chimeras by Template-Directed Ligation Marcus Koppitz, Peter E. Nielsen, and Leslie E. Orgel pp 4563–4569 DOI: 10.1021/ja974190y

Calculated and Experimental Low-Energy Conformations of Cyclic Urea HIV Protease Inhibitors C. Nicholas Hodge, Patrick Y. S. Lam, Charles J. Eyermann, Prabhakar K. Jadhav, Y. Ru, Christina H. Fernandez, George V. De Lucca, Chong-Hwan Chang, Robert F. Kaltenbach III, Edward R. Holler, Francis Woerner, Wayne F. Daneker, George Emmett, Joseph C. Calabrese, and Paul E. Aldrich pp 4570–4581 DOI: 10.1021/ja972357h Supporting Info

Stability of Oxidases Immobilized in Silica Gels Qiang Chen, Gregory L. Kenausis, and Adam Heller pp 4582–4585 DOI: 10.1021/ja971750k

Loss of Activity or Gain in Stability of Oxidases upon Their Immobilization in Hydrated Silica:  Significance of the Electrostatic Interactions of Surface Arginine Residues at the Entrances of the Reaction Channels Jonathan Heller and Adam Heller pp 4586–4590 DOI: 10.1021/ja973911q

Electron Transfer Photochemistry of a Bridged Norcaradiene:  A Mechanistic Probe for Radical Cation Nucleophilic Capture Torsten Herbertz, Florian Blume, and Heinz D. Roth pp 4591–4599 DOI: 10.1021/ja9732035 Supporting Info

Macrocyclic Inhibitors of Penicillopepsin. 1. Design, Synthesis, and Evaluation of an Inhibitor Bridged between P1 and P3 J. Hoyt Meyer and Paul A. Bartlett pp 4600–4609 DOI: 10.1021/ja973715j Supporting Info

Macrocyclic Inhibitors of Penicillopepsin. 2. X-ray Crystallographic Analyses of Penicillopepsin Complexed with a P3−P1 Macrocyclic Peptidyl Inhibitor and with Its Two Acyclic Analogues Jinhui Ding, Marie E. Fraser, J. Hoyt Meyer, Paul A. Bartlett, and Michael N. G. James pp 4610–4621 DOI: 10.1021/ja973714r

Macrocyclic Inhibitors of Penicillopepsin. 3. Design, Synthesis, and Evaluation of an Inhibitor Bridged between P2 and P1‘ Whitney W. Smith and Paul A. Bartlett pp 4622–4628 DOI: 10.1021/ja973713z Supporting Info

Superacid-Catalyzed Electrocyclization of Diphenylmethyl Cations to Fluorenes. Kinetic and Theoretical Revisit Supporting the Involvement of Ethylene Dications Tomohiko Ohwada, Takayoshi Suzuki, and Koichi Shudo pp 4629–4637 DOI: 10.1021/ja980090w

An NMR Strategy for Determination of Configuration of Remote Stereogenic Centers:  3-Methylcarboxylic Acids Thomas R. Hoye and Dmitry O. Koltun pp 4638–4643 DOI: 10.1021/ja972664n

Dendrimer-like Star Polymers Mikael Trollsås and James L. Hedrick pp 4644–4651 DOI: 10.1021/ja973678w

Electrochemical Detection of Electrochemically Inactive Cations by Self-Assembled Monolayers of Crown Ethers Simon Flink, Bernard A. Boukamp, Albert van den Berg, Frank C. J. M. van Veggel, and David N. Reinhoudt pp 4652–4657 DOI: 10.1021/ja9734713

The Unusual Reactivities of Amphitrite ornata Dehaloperoxidase and Notomastus lobatus Chloroperoxidase Do Not Arise from a Histidine Imidazolate Proximal Heme Iron Ligand Stefan Franzen, Mark P. Roach, Yung-Pin Chen, R. Brian Dyer, William H. Woodruff, and John H. Dawson pp 4658–4661 DOI: 10.1021/ja973212d

Canted Ferromagnetism and Other Magnetic Phenomena in Square-Planar, Neutral Manganese(II) and Iron(II) Octaethyltetraazaporphyrins Scott P. Sellers, Brenda J. Korte, Jeffrey P. Fitzgerald, William M. Reiff, and Gordon T. Yee pp 4662–4670 DOI: 10.1021/ja973787a

Hybrid Molecular Materials Based upon Magnetic Polyoxometalates and Organic π-Electron Donors:  Syntheses, Structures, and Properties of Bis(ethylenedithio)tetrathiafulvalene Radical Salts with Monosubstituted Keggin Polyoxoanions Eugenio Coronado, José R. Galán-Mascarós, Carlos Giménez-Saiz, Carlos J. Gómez-García, and Smaïl Triki pp 4671–4681 DOI: 10.1021/ja973856l Supporting Info

Osmotic Swelling to Exfoliation. Exceptionally High Degrees of Hydration of a Layered Titanate Takayoshi Sasaki and Mamoru Watanabe pp 4682–4689 DOI: 10.1021/ja974262l

Mechanistic Aspects of the Copolymerization of CO2 and Epoxides by Soluble Zinc Bis(phenoxide) Catalysts as Revealed by Their Cadmium Analogues D. J. Darensbourg, S. A. Niezgoda, J. D. Draper, and J. H. Reibenspies pp 4690–4698 DOI: 10.1021/ja9801487 Supporting Info

Aliphatic C−H Bond Oxygenation by the CoIIOOX Species with the Hindered Hydrotris(pyrazolyl)borate Ligand (X = Co(II), Alkyl, H) Shiro Hikichi, Hidehito Komatsuzaki, Munetaka Akita, and Yoshihiko Moro-oka pp 4699–4710 DOI: 10.1021/ja9720523 Supporting Info

Pentagonal Planar AX5 Species:  Synthesis and Characterization of the Iodine(III) Pentafluoride Dianion, IF52- Karl O. Christe, William W. Wilson, Greg W. Drake, David A. Dixon, Jerry A. Boatz, and Robert Z. Gnann pp 4711–4716 DOI: 10.1021/ja980057+

Structure of the Ribonuclease·Uridine−Vanadate Transition State Analogue Complex by Raman Difference Spectroscopy:  Mechanistic Implications Hua Deng, John W. Burgner, II, and Robert H. Callender pp 4717–4722 DOI: 10.1021/ja972824v

Theoretical Study of Azido−Tetrazole Isomerism:  Effect of Solvent and Substituents and Mechanism of Isomerization Elena Cubero, Modesto Orozco, and Francisco J. Luque pp 4723–4731 DOI: 10.1021/ja9726724 Supporting Info

Gaseous Conformational Structures of Cytochrome c Fred W. McLafferty, Ziqiang Guan, Ulrich Haupts, Troy D. Wood, and Neil L. Kelleher pp 4732–4740 DOI: 10.1021/ja9728076

Assignment of the Absolute Configuration of β-Chiral Primary Alcohols by NMR:  Scope and Limitations Shamil K. Latypov, María J. Ferreiro, Emilio Quiñoá, and Ricardo Riguera pp 4741–4751 DOI: 10.1021/ja972550b

Anisotropic Chemical Shielding, M-Site Ordering, and Characterization of Extraframework Cations in ETS-10 Studied through MAS/MQ-MAS NMR and Molecular Modeling Techniques S. Ganapathy, T. K. Das, R. Vetrivel, S. S. Ray, T. Sen, S. Sivasanker, L. Delevoye, C. Fernandez, and J. P. Amoureux pp 4752–4762 DOI: 10.1021/ja972714o Supporting Info

First Step Toward the Quantitative Identification of Peptide 310-Helix Conformation with NMR Spectroscopy:  NMR and X-ray Diffraction Structural Analysis of a Fully-Developed 310-Helical Peptide Standard Rainer Gratias, Robert Konat, Horst Kessler, Marco Crisma, Giovanni Valle, Alessandra Polese, Fernando Formaggio, Claudio Toniolo, Quirinus B. Broxterman, and Johan Kamphuis pp 4763–4770 DOI: 10.1021/ja9731478 Supporting Info

Solid-State Nuclear Magnetic Resonance Spectroscopic and Quantum Chemical Investigation of 13C and 17O Chemical Shift Tensors, 17O Nuclear Quadrupole Coupling Tensors, and Bonding in Transition-Metal Carbonyl Complexes and Clusters Renzo Salzmann, Martin Kaupp, Michael T. McMahon, and Eric Oldfield pp 4771–4783 DOI: 10.1021/ja973159t

An Experimental and Quantum Chemical Investigation of CO Binding to Heme Proteins and Model Systems:  A Unified Model Based on 13C, 17O, and 57Fe Nuclear Magnetic Resonance and 57Fe Mössbauer and Infrared Spectroscopies Michael T. McMahon, Angel C. deDios, Nathalie Godbout, Renzo Salzmann, David D. Laws, Hongbiao Le, Robert H. Havlin, and Eric Oldfield pp 4784–4797 DOI: 10.1021/ja973272j

Structure of the A-Form and B-Form of DNA from Deuterium NMR Line Shape Simulation Alexander A. Nevzorov, Stephan Moltke, and Michael F. Brown pp 4798–4805 DOI: 10.1021/ja9734612

NMR Investigations of Clostridium pasteurianum Rubredoxin. Origin of Hyperfine 1H, 2H, 13C, and 15N NMR Chemical Shifts in Iron−Sulfur Proteins As Determined by Comparison of Experimental Data with Hybrid Density Functional Calculations Steven J. Wilkens, Bin Xia, Frank Weinhold, John L. Markley, and William M. Westler pp 4806–4814 DOI: 10.1021/ja973489d

Unusually Tight Ion Pairing of the 1,4- and 2,3-Di-tert-butylbuta-1,3-diene Radical Anions with Alkali-Metal Cations:  An ESR and ENDOR Study Fabian Gerson, Henning Hopf, Pascal Merstetter, Cornelia Mlynek, and Dagmar Fischer pp 4815–4824 DOI: 10.1021/ja973492x

Significantly Improved Resolution for NOE Correlations from Valine and Isoleucine (Cγ2) Methyl Groups in 15N,13C- and 15N,13C,2H-Labeled Proteins Catherine Zwahlen, Sébastien J. F. Vincent, Kevin H. Gardner, and Lewis E. Kay pp 4825–4831 DOI: 10.1021/ja9742601

Density-Functional Theory Study of Electronic and Structural Properties of Doped Polypyrroles Renato Colle and Alessandro Curioni pp 4832–4839 DOI: 10.1021/ja9735618

Two Ground State Conformers of the Proton Sponge 1,8-Bis(dimethylamino)naphthalene Revealed by Fluorescence Spectroscopy and ab Initio Calculations A. Szemik-Hojniak, J. M. Zwier, W. J. Buma, R. Bursi, and J. H. van der Waals pp 4840–4844 DOI: 10.1021/ja974245w

Gateway Reactions to Diverse, Polyfunctional Monolayer-Protected Gold Clusters Allen C. Templeton, Michael J. Hostetler, Emily K. Warmoth, Shaowei Chen, Chris M. Hartshorn, Vijay M. Krishnamurthy, Malcolm D. E. Forbes, and Royce W. Murray pp 4845–4849 DOI: 10.1021/ja980177h

Self-Assembly at the Air−Water Interface. In-Situ Preparation of Thin Films of Metal Ion Grid Architectures Isabelle Weissbuch, Paul N. W. Baxter, Sidney Cohen, Hagai Cohen, Kristian Kjaer, Paul B. Howes, Jens Als-Nielsen, Gary S. Hanan, Ulrich S. Schubert, Jean-Marie Lehn, Leslie Leiserowitz, and Meir Lahav pp 4850–4860 DOI: 10.1021/ja980205w

1,3-Dipolar Cycloaddition of Fluorenethione S-Oxide and trans-Cyclooctene:  Isolation of a Sultene and Its Novel Acid-Catalyzed Diastereoselective Sulfur-Atom Transfer to Cyclic Olefins Waldemar Adam and Stephan Weinkötz pp 4861–4862 DOI: 10.1021/ja980338h Supporting Info

Evidence for a Continuous Transition between Thiaphosphetane and Betaine-Type Structures in the Thio-Wittig Reaction Carsten Puke, Gerhard Erker, Nicola C. Aust, Ernst-Ulrich Würthwein, and Roland Fröhlich pp 4863–4864 DOI: 10.1021/ja9720669 Supporting Info

First Intramolecular Carbometalation of Lithiated Double Bonds. A New Synthesis of Functionalized Indoles and Dihydropyrroles José Barluenga, Roberto Sanz, Alejandro Granados, and Francisco J. Fañanás pp 4865–4866 DOI: 10.1021/ja9805876 Supporting Info

Ligand Design Approach for Securing Robust Oxidation Catalysts Colin P. Horwitz, David R. Fooksman, Leonard D. Vuocolo, Scott W. Gordon-Wylie, Nathaniel J. Cox, and Terrence J. Collins pp 4867–4868 DOI: 10.1021/ja972891p Supporting Info

Use of a Designed Triple-Stranded Antiparallel β-Sheet To Probe β-Sheet Cooperativity in Aqueous Solution Heather L. Schenck and Samuel H. Gellman pp 4869–4870 DOI: 10.1021/ja973984+ Supporting Info

Organolanthanide-Catalyzed Intramolecular Hydroamination/Cyclization of Aminoallenes Victor M. Arredondo, Frank E. McDonald, and Tobin J. Marks pp 4871–4872 DOI: 10.1021/ja9743248 Supporting Info

Optical Signal Transduction Triggered by Protein−Ligand Binding:  Detection of Toxins Using Multivalent Binding Xuedong Song, John Nolan, and Basil I. Swanson pp 4873–4874 DOI: 10.1021/ja980246s

Dielectric Constant of Cytochrome c from Simulations in a Water Droplet Including All Electrostatic Interactions Thomas Simonson pp 4875–4876 DOI: 10.1021/ja980071m

Preparation of Cu Nanoclusters within Dendrimer Templates Mingqi Zhao, Li Sun, and Richard M. Crooks pp 4877–4878 DOI: 10.1021/ja980438n Supporting Info

A Pulsed Electron Nuclear Double Resonance Study of the Lewis Acid Site−Nitric Oxide Complex in Zeolite H-ZSM-5 Andreas Pöppl, Thomas Rudolf, and Dieter Michel pp 4879–4880 DOI: 10.1021/ja9741685

d0 Alkane Complexes (tBu3SiN)3W(RH) Precede CH Activation and Formation of (tBu3SiN)2(tBuSiNH)WR/R‘ Daniel F. Schafer II and Peter T. Wolczanski pp 4881–4882 DOI: 10.1021/ja980115r

Evidence on the O2(1Δg) Dimol-Sensitized Luminescence in Solution Pi-Tai Chou, Youn-Chan Chen, Ching-Yen Wei, and Min-Zen Lee pp 4883–4884 DOI: 10.1021/ja9730674 Supporting Info

Photochemical Energy Transduction in Helical Proline Arrays Cheryl A. Slate, Durwin R. Striplin, John A. Moss, Pingyun Chen, Bruce W. Erickson, and Thomas J. Meyer pp 4885–4886 DOI: 10.1021/ja9725413 Supporting Info

Electrochemically Induced Metalation of Polymeric Phthalocyanines William J. Todd, François Bailly, Jorgé Pavez, Peter W. Faguy, Richard P. Baldwin, and Robert M. Buchanan pp 4887–4888 DOI: 10.1021/ja980439f Supporting Info

Determining the Magnitude of the Fully Asymmetric Diffusion Tensor from Heteronuclear Relaxation Data in the Absence of Structural Information G. Marius Clore, Angela M. Gronenborn, Attila Szabo, and Nico Tjandra pp 4889–4890 DOI: 10.1021/ja980192m

Theoretical and Experimental Circular Dichroic Spectra of the Novel Helical Foldamer Poly[(1R,2R)-trans-2-aminocyclopentanecarboxylic acid] Jon Applequist,, Kimberly A. Bode, Daniel H. Appella, Laurie A. Christianson, and Samuel H. Gellman pp 4891–4892 DOI: 10.1021/ja9742186

Amplification of One-Bond 1H/2H Isotope Effects on 15N Chemical Shifts in Clostridium pasteurianum Rubredoxin by Fermi-Contact Effects through Hydrogen Bonds Bin Xia, Steven J. Wilkens, William M. Westler, and John L. Markley pp 4893–4894 DOI: 10.1021/ja974167c Supporting Info

Catalytic Enantioselective Hetero Diels−Alder Reactions of α,β-Unsaturated Acyl Phosphonates with Enol Ethers David A. Evans and Jeffrey S. Johnson pp 4895–4896 DOI: 10.1021/ja980423p Supporting Info

Quantitative Conformational Measurements in Solid State NMR by Constant-Time Homonuclear Dipolar Recoupling Andrew E. Bennett, David P. Weliky, and Robert Tycko pp 4897–4898 DOI: 10.1021/ja980191u

Molecular Necklace:  Quantitative Self-Assembly of a Cyclic Oligorotaxane from Nine Molecules Dongmok Whang, Ki-Min Park, Jungseok Heo, Peter Ashton, and Kimoon Kim pp 4899–4900 DOI: 10.1021/ja980029r Supporting Info

Schiff Base Catalysts for the Asymmetric Strecker Reaction Identified and Optimized from Parallel Synthetic Libraries Matthew S. Sigman and Eric N. Jacobsen pp 4901–4902 DOI: 10.1021/ja980139y Supporting Info

Issue 20

Release of Superoxide from Nucleoside Peroxyl Radicals, a Double-Edged Sword? Keri A. Tallman, Christopher Tronche, Dong Jin Yoo, and Marc M. Greenberg pp 4903–4909 DOI: 10.1021/ja973200s Supporting Info

Artificial Protein−Protein Complexation between a Reconstituted Myoglobin and Cytochrome c Takashi Hayashi, Yutaka Hitomi, and Hisanobu Ogoshi pp 4910–4915 DOI: 10.1021/ja9723951 Supporting Info

Total Synthesis of (±)-Methyl Atis-16-en-19-oate via Homoallyl−Homoallyl Radical Rearrangement Masahiro Toyota, Toshihiro Wada, Keiichiro Fukumoto, and Masataka Ihara pp 4916–4925 DOI: 10.1021/ja9739042

Photoinduced Electron Transfer Reactions within Zeolites:  Detection of Radical Cations and Dimerization of Arylalkenes1 L. Brancaleon, D. Brousmiche, V. Jayathirtha Rao, L. J. Johnston, and V. Ramamurthy pp 4926–4933 DOI: 10.1021/ja973098z

New Formulas for Organozincate Chemistry Masanobu Uchiyama, Mitsuyoshi Kameda, Osamu Mishima, Nobuko Yokoyama, Minako Koike, Yoshinori Kondo, and Takao Sakamoto pp 4934–4946 DOI: 10.1021/ja973855t

[3 + 4] Annulation of α,β-Unsaturated Acylsilanes with Enolates of α,β-Unsaturated Methyl Ketones:  Scope and Mechanism Kei Takeda, Akemi Nakajima, Mika Takeda, Yasushi Okamoto, Taku Sato, Eiichi Yoshii, Toru Koizumi, and Motoo Shiro pp 4947–4959 DOI: 10.1021/ja980022+ Supporting Info

Palladium-Catalyzed Synthesis of Monodisperse, Controlled-Length, and Functionalized Oligoanilines Joseph P. Sadighi, Robert A. Singer, and Stephen L. Buchwald pp 4960–4976 DOI: 10.1021/ja980052c Supporting Info

“Deep-Cavity” Resorcinarenes Dimerize through Hydrogen Bonding and Self-Inclusion Shihong Ma, Dmitry M. Rudkevich, and Julius Rebek, Jr. pp 4977–4981 DOI: 10.1021/ja980418l

Electronic and Geometric Structure of a Trinuclear Mixed-Valence Copper(II,II,III) Cluster David E. Root, Mark J. Henson, Tim Machonkin, Pulakesh Mukherjee, T. D. P. Stack, and Edward I. Solomon pp 4982–4990 DOI: 10.1021/ja973545a Supporting Info

Resonant Magnetization Tunneling in the Trigonal Pyramidal MnIVMnIII3 Complex [Mn4O3Cl(O2CCH3)3(dbm)3] Sheila M. J. Aubin, Neil R. Dilley, Luca Pardi, J. Krzystek, Michael W. Wemple, Louis-Claude Brunel, M. Brian Maple, George Christou, and David N. Hendrickson pp 4991–5004 DOI: 10.1021/ja974241r Supporting Info

Transient 1,1-Dimethyl-1-germene, (CH3)2GeCH2. Gas-Phase Pyrolytic Generation and EIMS, Matrix Isolation FTIR, and Theoretical Studies Valery N. Khabashesku, Konstantin N. Kudin, Josef Tamás, Sergei E. Boganov, John L. Margrave, and Oleg M. Nefedov pp 5005–5016 DOI: 10.1021/ja971134o

Controlling Deoxygenation Selectivity by Surface Modification:  Reactions of Ethanol on Oxygen- and Sulfur-Covered Mo(110) D. A. Chen and C. M. Friend pp 5017–5023 DOI: 10.1021/ja971894z

Intramolecular Proton Transfer in Mono- and Dihydrated Tautomers of Guanine:  An ab Initio Post Hartree−Fock Study Leonid Gorb and Jerzy Leszczynski pp 5024–5032 DOI: 10.1021/ja972017w

Structures, Energetics, and Chemical Reactions of Anions Derived from Cyclooctatetraene Shuji Kato, Roustam Gareyev, Charles H. DePuy, and Veronica M. Bierbaum pp 5033–5042 DOI: 10.1021/ja972628o

A Novel Tool for Probing Membrane Protein Structure:  Solid-State NMR with Proton Spin Diffusion and X-Nucleus Detection Kristin K. Kumashiro, Klaus Schmidt-Rohr, Owen J. Murphy III, Kerry L. Ouellette, William A. Cramer, and Lynmarie K. Thompson pp 5043–5051 DOI: 10.1021/ja972655e

Experiment versus Time Dependent Density Functional Theory Prediction of Fullerene Electronic Absorption Rüdiger Bauernschmitt, Reinhart Ahlrichs, Frank H. Hennrich, and Manfred M. Kappes pp 5052–5059 DOI: 10.1021/ja9730167

Lipid Magnetic Resonance Imaging Contrast Agent Interactions:  A Spin-Labeling and a Multifrequency EPR Study Tatyana I. Smirnova, Alex I. Smirnov, R. L. Belford, and R. B. Clarkson pp 5060–5072 DOI: 10.1021/ja973427n

An Indirect Chaotropic Mechanism for the Stabilization of Helix Conformation of Peptides in Aqueous Trifluoroethanol and Hexafluoro-2-propanol Richard Walgers, Tony C. Lee, and Arthur Cammers-Goodwin pp 5073–5079 DOI: 10.1021/ja973552z

High-Frequency EPR and Pulsed Q-Band ENDOR Studies on the Origin of the Hydrogen Bond in Tyrosyl Radicals of Ribonucleotide Reductase R2 Proteins from Mouse and Herpes Simplex Virus Type 1 Pieter J. van Dam, Jean-Paul Willems, Peter P. Schmidt, Stephan Pötsch, Anne-Laure Barra, Wilfred R. Hagen, Brian M. Hoffman, K. Kristoffer Andersson, and Astrid Gräslund pp 5080–5085 DOI: 10.1021/ja9737127

The Gas Phase Ion Chemistry of BH2+ Charles H. DePuy, Roustam Gareyev, Joseph Hankin, Gustavo E. Davico, Michèle Krempp, and Robert Damrauer pp 5086–5092 DOI: 10.1021/ja974005g

1H, 13C, and 17O Isotropic and Anisotropic Hyperfine Couplings for the Plastosemiquinone Anion Radical Patrick J. O'Malley pp 5093–5097 DOI: 10.1021/ja974235v

Salt Bridge Structures in the Absence of Solvent? The Case for the Oligoglycines Thomas Wyttenbach, John E. Bushnell, and Michael T. Bowers pp 5098–5103 DOI: 10.1021/ja9801238 Supporting Info

Monte Carlo Investigations of Selective Anion Complexation by a Bis(phenylurea) p-tert-Butylcalix[4]arene Nora A. McDonald, Erin M. Duffy, and William L. Jorgensen pp 5104–5111 DOI: 10.1021/ja980140x

Extension of π-Conjugation Length via the Vacant p-Orbital of the Boron Atom. Synthesis of Novel Electron Deficient π-Conjugated Systems by Hydroboration Polymerization and Their Blue Light Emission Noriyoshi Matsumi, Kensuke Naka, and Yoshiki Chujo pp 5112–5113 DOI: 10.1021/ja9741943 Supporting Info

Photoinduced Synthesis of Diorganozinc and Organozinc Iodide Reagents André B. Charette, André Beauchemin, and Jean-François Marcoux pp 5114–5115 DOI: 10.1021/ja980318f Supporting Info

A Direct Synthesis of P-Chiral Phosphine−Boranes via Dynamic Resolution of Lithiated Racemic tert-Butylphenylphosphine−Borane with (−)-Sparteine Bradley Wolfe and Tom Livinghouse pp 5116–5117 DOI: 10.1021/ja973685k Supporting Info

Picosecond Molecular Switch Based on Bidirectional Inhibition of Photoinduced Electron Transfer Using Photogenerated Electric Fields David Gosztola, Mark P. Niemczyk, and Michael R. Wasielewski pp 5118–5119 DOI: 10.1021/ja980358j Supporting Info

Convergent Functional Groups:  Intramolecular Acyl Transfer through a 34-Membered Ring Christian M. Rojas and Julius Rebek, Jr. pp 5120–5121 DOI: 10.1021/ja9733806 Supporting Info

2-(4‘-Nitrenophenyl)-4,4,5,5-tetramethyl-4,5-dihydro- 1H-imidazole-3-oxide-1-oxyl:  Photogeneration of a Quartet State Organic Molecule with Both Localized and Delocalized Spins Paul M. Lahti, Burak Esat, and Richard Walton pp 5122–5123 DOI: 10.1021/ja980120v Supporting Info

A Novel Oxovanadium(V)-Induced Oxidation of Organoaluminum Compounds. Highly Selective Coupling of Organic Substituents on Aluminum Takuji Ishikawa, Akiya Ogawa, and Toshikazu Hirao pp 5124–5125 DOI: 10.1021/ja973891s Supporting Info

Direct Oxidation of Alkylamines by YBa2Cu3O7-δ:  A Key Step in the Formation of Self-Assembled Monolayers on Cuprate Superconductors Jin Zhu and Chad A. MirkinRobert M. Braun and Nicholas Winograd pp 5126–5127 DOI: 10.1021/ja974348e Supporting Info

Carbocyclic Ring Construction via an Intramolecular Diels-Alder Reaction of an in Situ-Generated, Heteroatom-Stabilized Allyl Cation:  Total Synthesis of (±)-Lycopodine Paul A. Grieco and Yujia Dai pp 5128–5129 DOI: 10.1021/ja980117b Supporting Info

Cobalt-Catalyzed Cyclotrimerization of Alkynes in Aqueous Solution Matthew S. Sigman, Anson W. Fatland, and Bruce E. Eaton pp 5130–5131 DOI: 10.1021/ja9807284 Supporting Info

Solid Phase Synthesis of Macrocycles by an Intramolecular Ketophosphonate Reaction. Synthesis of a (dl)-Muscone Library K. C. Nicolaou, Joaquín Pastor, Nicolas Winssinger, and Fiona Murphy pp 5132–5133 DOI: 10.1021/ja980675q Supporting Info

A Ring-H+ Bonded Semiquinone Dication Radical Observed by Time Resolved Resonance Raman Spectroscopy G. N. R. Tripathi pp 5134–5135 DOI: 10.1021/ja973372p

Advances in Molecular Similarity Volume 1 Edited by Ramon Carbó-Dorca (University of Girona) and Paul G. Mezey (University of Saskatchewan). JAI Press:  London. 1996. xxi + 287 pp. $112.50. ISBN 0-76230-131-7. John H. Block p 5136 DOI: 10.1021/ja975570m

Synthetic Methods of Organometallic and Inorganic Chemistry:  Transition Metals Parts 1 and 2 Edited by W. A. Herrmann (Anorganisch-chemisches Institute der Technischen Universität München). Thieme:  Stuttgart and New York. 1997. xii + 294 pp (Part 1), xii + 254 pp (Part 2). DM185.00 (Parts 1 and 2). ISBN 3-13-103081-X (Part 1), 3-13-103091-7 (Part 2). John R. Sowa, Jr. p 5136 DOI: 10.1021/ja975626c

Issue 21

Mutation of Serine-39 to Threonine in Thermostable Secondary Alcohol Dehydrogenase from Thermoanaerobacter ethanolicus Changes Enantiospecificity Allie E. Tripp, Douglas S. Burdette, J. Gregory Zeikus, and Robert S. Phillips pp 5137–5141 DOI: 10.1021/ja974129t

Importance of Tryptophan Dipoles for Protein Function:  5-Fluorination of Tryptophans in Gramicidin A Channels O. S. Andersen, D. V. Greathouse, L. L. Providence, M. D. Becker, and R. E. Koeppe II pp 5142–5146 DOI: 10.1021/ja980182l

Structural Characterization of the Catalytic High-Spin Heme b of Nitric Oxide Reductase:  A Resonance Raman Study Pierre Moënne-Loccoz and Simon de Vries pp 5147–5152 DOI: 10.1021/ja973671e

Role of Water in the Specific Binding of Mannose and Mannooligosaccharides to Concanavalin A Chittoor P. Swaminathan, Namita Surolia, and Avadhesha Surolia pp 5153–5159 DOI: 10.1021/ja9733696

Mechanistic Studies of an Antibody-Catalyzed Elimination Reaction Floyd E. Romesberg, Mark E. Flanagan, Tetsuo Uno, and Peter G. Schultz pp 5160–5167 DOI: 10.1021/ja9738992

A Theoretical Study of Benzhydroxamic Acid Binding Modes in Horseradish Peroxidase Yan-Tyng Chang, Nigel C. Veitch, and Gilda H. Loew pp 5168–5178 DOI: 10.1021/ja973907e

Photosensitized Oxidation of Alkenes Adsorbed on Pentasil Zeolites Chen-Ho Tung, Hongwei Wang, and Yun-Ming Ying pp 5179–5186 DOI: 10.1021/ja972657z

Na+ Specific Emission Changes in an Ionophoric Conjugated Polymer Khushrav B. Crawford, Marc B. Goldfinger, and Timothy M. Swager pp 5187–5192 DOI: 10.1021/ja9737230 Supporting Info

Evidence for Radical Cations in Linked Mechanisms of N,N-Dialkyl Aromatic Amine Nitration and Nitrosative Dealkylation Richard N. Loeppky, Sukhjeet P. Singh, Saleh Elomari, Riley Hastings, and Thomas E. Theiss pp 5193–5202 DOI: 10.1021/ja9732744 Supporting Info

Enantiospecific Total Synthesis of Natural (+)-Taxusin. 1. Retrosynthesis, Advancement to Diastereomeric trans-Δ9,10-Tricyclic Olefinic Intermediates, and the Stereocontrol Attainable Because of Intrinsic Rotational Barriers Therein Leo A. Paquette and Mangzhu Zhao pp 5203–5212 DOI: 10.1021/ja9805371 Supporting Info

Enantiospecific Total Synthesis of Natural (+)-Taxusin. 2. Functionalization of the A-Ring and Arrival at the Target Leo A. Paquette, Hui-Ling Wang, Zhuang Su, and Mangzhu Zhao pp 5213–5225 DOI: 10.1021/ja980538t Supporting Info

Variation of the Nucleation Energy of Molybdenum Silicides as a Function of the Composition of an Amorphous Precursor Christopher D. Johnson, Kane Anderson, Adam D. Gromko, and David C. Johnson pp 5226–5232 DOI: 10.1021/ja9802302

Formation of a Tetrameric, Cyclooctane-like, Azidochlorogallane, [HClGaN3]4, and Related Azidogallanes. Exothermic Single-Source Precursors to GaN Nanostructures Jeff McMurran, J. Kouvetakis, D. C. Nesting, David J. Smith, and John L. Hubbard pp 5233–5237 DOI: 10.1021/ja980404f Supporting Info

Spin Density Maps in the Triplet Ground State of [Cu2(t-Bupy)4(N3)2](ClO4)2 (t-Bupy = p-tert-butylpyridine):  A Polarized Neutron Diffraction Study Michael A. Aebersold, Béatrice Gillon, Olivier Plantevin, Luca Pardi, Olivier Kahn, Pierre Bergerat, Ingo von Seggern, Felix Tuczek, Lars Öhrström, André Grand, and E. Lelièvre-Berna pp 5238–5245 DOI: 10.1021/ja9739603 Supporting Info

Spectroscopy of Mixed-Valence CuA-Type Centers:  Ligand-Field Control of Ground-State Properties Related to Electron Transfer Daniel R. Gamelin, David W. Randall, Michael T. Hay, Robert P. Houser, Ton C. Mulder, Gerard W. Canters, Simon de Vries, William B. Tolman, Yi Lu, and Edward I. Solomon pp 5246–5263 DOI: 10.1021/ja973161k Supporting Info

Formation of Hypercoordinated Carbon inside a (μ-Hydrocarbyl)bis(group 4 metallocene) Framework by a Simple Protonation Route Jörg Schottek, Dirk Röttger, Gerhard Erker, and Roland Fröhlich pp 5264–5273 DOI: 10.1021/ja980223d Supporting Info

Responsive Supramolecular Polythiophene Assemblies Karim Faïd and Mario Leclerc pp 5274–5278 DOI: 10.1021/ja9802753

Ultraviolet Photoelectron Spectroscopy of the o-, m-, and p-Benzyne Negative Ions. Electron Affinities and Singlet−Triplet Splittings for o-, m-, and p-Benzyne Paul G. Wenthold, Robert R. Squires, and W. C. Lineberger pp 5279–5290 DOI: 10.1021/ja9803355

Cooperative Interaction between the Three Strands of a Designed Antiparallel β-Sheet Gary J. Sharman and Mark S. Searle pp 5291–5300 DOI: 10.1021/ja9705405

Molecular Dynamics of Staphylococcal Nuclease:  Comparison of Simulation with 15N and 13C NMR Relaxation Data David C. Chatfield, Attila Szabo, and Bernard R. Brooks pp 5301–5311 DOI: 10.1021/ja972215n

Conformational Studies of cis-Cyclodecene and cis-Cyclodecene Oxide by Dynamic NMR Spectroscopy and Computational Methods Diwakar M. Pawar and Eric A. Noe pp 5312–5314 DOI: 10.1021/ja973138z

Enantioselective Addition of Hydrogen Cyanide to Imines Catalyzed by a Chiral (Salen)Al(III) Complex Matthew S. Sigman and Eric N. Jacobsen pp 5315–5316 DOI: 10.1021/ja980299+ Supporting Info

Thermodynamic and Conformational Implications of Glycosidic Rotamers Preorganized for Binding David R. Bundle, Ramón Alibés, Shah Nilar, Albin Otter, Michael Warwas, and Ping Zhang pp 5317–5318 DOI: 10.1021/ja9743203 Supporting Info

Total Synthesis of (+)-Neocarzinostatin Chromophore Andrew G. Myers, Jun Liang, Marlys Hammond, Philip M. Harrington, Yusheng Wu, and Elaine Y. Kuo pp 5319–5320 DOI: 10.1021/ja980588y Supporting Info

Porous Shape Persistent Fluorescent Polymer Films:  An Approach to TNT Sensory Materials Jye-Shane Yang and Timothy M. Swager pp 5321–5322 DOI: 10.1021/ja9742996

Structural Distortion of Dendrimers on Gold Surfaces:  A Tapping-Mode AFM Investigation Andreas Hierlemann, Joseph K. Campbell, Lane A. Baker, Richard M. Crooks, and Antonio J. Ricco pp 5323–5324 DOI: 10.1021/ja974283f

All-Ferrous Titanium(III) Citrate Reduced Fe Protein of Nitrogenase:  An XAS Study of Electronic and Metrical Structure Kristin B. Musgrave, Hayley C. Angove, Barbara K. Burgess, Britt Hedman, and Keith O. Hodgson pp 5325–5326 DOI: 10.1021/ja980598z Supporting Info

Hypercoordination of Boron and Aluminum:  Synthetic Utility as Chelating Lewis Acids Takashi Ooi, Daisuke Uraguchi, Naoko Kagoshima, and Keiji Maruoka pp 5327–5328 DOI: 10.1021/ja9736828

On the Mechanism of Dihydrogen Addition to Tantalocene Complexes Susan P. Millar, Deanna L. Zubris, John E. Bercaw, and Richard Eisenberg pp 5329–5330 DOI: 10.1021/ja9739188

Mimicking Cytochrome P-450 2B4 and Aromatase:  Aromatization of a Substrate Analogue by a Peroxo Fe(III) Porphyrin Complex Diana L. Wertz, Marlene F. Sisemore, Matthias Selke, Jennifer Driscoll, and Joan Selverstone Valentine pp 5331–5332 DOI: 10.1021/ja980395a

Detection of a Phenylalanine Aminomutase in Cell-Free Extracts of Taxus brevifolia and Preliminary Characterization of Its Reaction Kevin D. Walker and Heinz G. Floss pp 5333–5334 DOI: 10.1021/ja980457x

Ru3(CO)12-Catalyzed Cyclocarbonylation of Yne-Aldehydes to Bicyclic α,β-Unsaturated γ-Butyrolactones Naoto Chatani, Tsumoru Morimoto, Yoshiya Fukumoto, and Shinji Murai pp 5335–5336 DOI: 10.1021/ja9802697 Supporting Info

Stereochemical Evidence for Decomposition of Reactive Intermediates by Active Site Water in the Metabolism of 8-Alkyl Xanthines by P450 1A2 Jagdish K. Racha and Kent L. Kunze pp 5337–5338 DOI: 10.1021/ja980337p Supporting Info

First Exclusive Endo-dig Carbocyclization:  HfCl4-Catalyzed Intramolecular Allylsilylation of Alkynes Ken-ichiro Imamura, Eiji Yoshikawa, Vladimir Gevorgyan, and Yoshinori Yamamoto pp 5339–5340 DOI: 10.1021/ja9803409 Supporting Info

Synthesis of the Antitumor Alkaloid (+)-Pancratistatin Using the β-Azidonation Reaction via a Prochiral 4-Arylcyclohexanone Derivative Philip Magnus and Iyassu K. Sebhat pp 5341–5342 DOI: 10.1021/ja980407s Supporting Info

Kinetics of II-VI and III-V Colloidal Semiconductor Nanocrystal Growth:  “Focusing” of Size Distributions Xiaogang Peng, J. Wickham, and A. P. Alivisatos pp 5343–5344 DOI: 10.1021/ja9805425 Supporting Info

Carbozincation of Enynes Catalyzed by Titanium(IV) Alkoxides and Alkylmagnesium Derivatives Jean-Luc Montchamp and Ei-ichi Negishi pp 5345–5346 DOI: 10.1021/ja973841n Supporting Info

Photoionization via Absorption/Electron Transfer/Absorption Studied by Two-Pulse Two-Color Laser Flash Photolysis Martin Goez, Valentin Zubarev, and Gerd Eckert pp 5347–5348 DOI: 10.1021/ja980040r

Transparent and Colored Magnetic Thin Films:  (FeIIxCrII1-x)1.5[CrIII(CN)6] Shin-ichi Ohkoshi, Akira Fujishima, and Kazuhito Hashimoto pp 5349–5350 DOI: 10.1021/ja980732f

Unprecedented Isomerization of the “Rigid Rod” Organometallic {[M(dmb)2]+}n Polymers (M = Ag; dmb = 1,8-diisocyano-p-menthane) from “Linear” to “Staircase” to “Ladder” Daniel Fortin, Marc Drouin, and Pierre D. Harvey pp 5351–5352 DOI: 10.1021/ja973902h Supporting Info

ChemPrep Institute for Scientific Information:  3501 Market Street, Philadelphia, PA 19104. Telephone:  1-800-336-4474. Fax:  215-386-6362. http://www.Isinet.Com. List Price for 1985−1997 databases:  $11 750 (1 user) and $21 500 (2−5 users). 1998 subscription price $2450 (1 user) and $4250 (2−5 users). Brant J. Chapman and Michael P. Doyle p 5353 DOI: 10.1021/ja985632o

Humic and Fulvic Acids:  Isolation, Structure and Environmental Role Edited by Jeffrey S. Gaffney and Nancy A. Marley (Argonne National Laboratory) and Sue B. Clark (Washington State University). American Chemical Society:  Washington, DC. 1996. $109.95. xii + 338 pp. ISBN 0-8412-3468-X. Michael M. Reddy pp 5353–5354 DOI: 10.1021/ja9756782

Methods in Enzymology Volume 284. Lipases:  Part A, Biotechnology Edited by B. Rubin (Lipomed) and E. A. Dennis (University of California−San Diego). Academic Press:  San Diego. 1997. xxxi + 408 pp. $99.00. ISBN 0-12-182185-4. Mahendra Kumar Jain p 5354 DOI: 10.1021/ja9756679

Prolyl Hydroxylase, Protein Disulfide Isomerase, and Other Structurally Related Proteins Edited by Norberto Guzman (The R.W. Johnson Pharmaceutical Research Institute). Marcel Dekker, Inc.:  New York, Basel, and Hong Kong. 1998. xvii + 530 pp. $185. ISBN 0-8247-9831-7. John Bushweller p 5354 DOI: 10.1021/ja975674x

Issue 22

Alternating Donor/Acceptor Repeat Units in Polythiophenes. Intramolecular Charge Transfer for Reducing Band Gaps in Fully Substituted Conjugated Polymers Qing T. Zhang and James M. Tour pp 5355–5362 DOI: 10.1021/ja972373e Supporting Info

Conformational Analysis of Reverse-Turn Constraints by N-Methylation and N-Hydroxylation of Amide Bonds in Peptides and Non-Peptide Mimetics Yasuo Takeuchi and Garland R. Marshall pp 5363–5372 DOI: 10.1021/ja970855k

New Chemical and Electrochemical Synthesis of the [Mn4IVO6(bpy)6]4+ Cluster. Electrochemical Interconversion with Corresponding Bi- and Mononuclear Complexes Marie-Noëlle Collomb Dunand-Sauthier, Alain Deronzier, Alexis Piron, Xavier Pradon, and Stéphane Ménage pp 5373–5380 DOI: 10.1021/ja974246o

Molecular Dynamics Simulation To Investigate Differences in Minor Groove Hydration of HNA/RNA Hybrids As Compared to HNA/DNA Complexes H. De Winter, E. Lescrinier, A. Van Aerschot, and P. Herdewijn pp 5381–5394 DOI: 10.1021/ja973721f

Solution Structure of a DNA Duplex Containing a Nitroxide Spin-Labeled Platinum d(GpG) Intrastrand Cross-Link Refined with NMR-Derived Long-Range Electron−Proton Distance Restraints Shari U. Dunham, Stephen U. Dunham, Christopher J. Turner, and Stephen J. Lippard pp 5395–5406 DOI: 10.1021/ja9742592 Supporting Info

Active Species for the Ground-State Complex of Cytidine Deaminase:  A Linear-Scaling Quantum Mechanical Investigation James P. Lewis, Charles W. Carter, Jr., Jan Hermans, Wei Pan, Tai-Sung Lee, and Weitao Yang pp 5407–5410 DOI: 10.1021/ja973522w

Modeling the Interactions between Peptide Functions and Cu(I): Formamide−Cu+ Reactions in the Gas Phase A. Luna, B. Amekraz, J. Tortajada, J. P. Morizur, M. Alcamí, O. Mó, and M. Yáñez pp 5411–5426 DOI: 10.1021/ja971623o

Multigram Synthesis of Mevalonolactone-d9 and Its Application to Stereochemical Analysis by 1H NMR of the Saturation Reaction in the Biosynthesis of the 2,3-Di-O-phytanyl-sn-glycerol Core of the Archaeal Membrane Lipid Tadashi Eguchi, Mikio Morita, and Katsumi Kakinuma pp 5427–5433 DOI: 10.1021/ja974387q Supporting Info

8-O-Sialylation of Neuraminic Acid Julio C. Castro-Palomino, Yury E. Tsvetkov, and Richard R. Schmidt pp 5434–5440 DOI: 10.1021/ja9740327 Supporting Info

Backbone Amide Linker (BAL) Strategy for Solid-Phase Synthesis of C-Terminal-Modified and Cyclic Peptides1,2,3 Knud J. Jensen, Jordi Alsina, Michael F. Songster, Josef Vágner, Fernando Albericio, and George Barany pp 5441–5452 DOI: 10.1021/ja974116f Supporting Info

Asymmetric Synthesis of (−)-Trichodiene. Generation of Vicinal Stereogenic Quaternary Centers via the Thio-Claisen Rearrangement René M. Lemieux and A. I. Meyers pp 5453–5457 DOI: 10.1021/ja9804159 Supporting Info

A Novel Class of Oligonucleotide Analogues Containing 2‘-O,3‘-C-Linked [3.2.0]Bicycloarabinonucleoside Monomers:  Synthesis, Thermal Affinity Studies, and Molecular Modeling Nanna K. Christensen, Michael Petersen, Poul Nielsen, Jens P. Jacobsen, Carl Erik Olsen, and Jesper Wengel pp 5458–5463 DOI: 10.1021/ja9743598 Supporting Info

Successive Photosubstitution of Hexachlorobenzene with Cyanide Ion Alexandre Konstantinov, Carol A. Kingsmill, George Ferguson, and Nigel J. Bunce pp 5464–5468 DOI: 10.1021/ja980403n Supporting Info

Antiferromagnetic Resonance as a Tool for Investigating Magnetostructural Correlations:  The Canted Antiferromagnetic State of KMnPO4·H2O and a Series of Manganese Phosphonates Gail E. Fanucci, J. Krzystek, Mark W. Meisel, Louis-Claude Brunel, and Daniel R. Talham pp 5469–5479 DOI: 10.1021/ja974247g

Dinuclear and Dendritic Polynuclear Ruthenium(II) and Osmium(II) Polypyridine Complexes:  Electrochemistry at Very Positive Potentials in Liquid SO2 Paola Ceroni, Francesco Paolucci, Carmen Paradisi, Alberto Juris, Sergio Roffia, Scolastica Serroni, Sebastiano Campagna, and Allen J. Bard pp 5480–5487 DOI: 10.1021/ja980026e

Structure (1.3 Å) and Charge States of a Ribonuclease A−Uridine Vanadate Complex:  Implications for the Phosphate Ester Hydrolysis Mechanism Brian D. Wladkowski, L. Anders Svensson, Lennart Sjolin, Jane E. Ladner, and Gary L. Gilliland pp 5488–5498 DOI: 10.1021/ja972296n

Application of Trajectory Surface Hopping to the Study of Intramolecular Electron Transfer in Polyatomic Organic Systems Garth A. Jones, Barry K. Carpenter, and Michael N. Paddon-Row pp 5499–5508 DOI: 10.1021/ja9737533 Supporting Info

Molecular Dimensions for Adsorptives Charles Edwin Webster, Russell S. Drago, and Michael C. Zerner pp 5509–5516 DOI: 10.1021/ja973906m

A Unified View of Ethylene Polymerization by d0 and d0fn Transition Metals. Part 2:  Chain Propagation Peter Margl, Liqun Deng, and Tom Ziegler pp 5517–5525 DOI: 10.1021/ja9742139 Supporting Info

Bond Shift Rearrangement of Chloro-, Bromo-, and Iodobullvalene in the Solid State and in Solution. A Carbon-13 and Proton NMR Study Z. Luz, L. Olivier, R. Poupko, K. Müller, C. Krieger, and H. Zimmermann pp 5526–5538 DOI: 10.1021/ja9728029

Dynamics and Microstructure Formation during Nucleation of Lysozyme Solutions Yannis Georgalis, Patrick Umbach, Dikeos Mario Soumpasis, and Wolfram Saenger pp 5539–5548 DOI: 10.1021/ja973614l

Oxidation of Peroxynitrite by Inorganic Radicals:  A Pulse Radiolysis Study Sara Goldstein, Abhijit Saha, Sergei V. Lymar, and Gidon Czapski pp 5549–5554 DOI: 10.1021/ja9735362

Conformation and Stability of Ether−Water Adducts:  Free Jet Absorption Millimeter Wave Spectrum of 1,4-Dioxane−Water Walther Caminati, Adele Dell'Erba, Sonia Melandri, and Paolo G. Favero pp 5555–5558 DOI: 10.1021/ja973958b

Entropic Effects on the Dynamical Bottleneck Location and Tunneling Contributions for C2H4 + H → C2H5:  Variable Scaling of External Correlation Energy for Association Reactions Jordi Villà, Angels González-Lafont, José M. Lluch, and Donald G. Truhlar pp 5559–5567 DOI: 10.1021/ja980131o

Barriers to Rotation of Secondary Amide Peptide Bonds Gerd Scherer, Michael L. Kramer, Mike Schutkowski, Ulf Reimer, and Gunter Fischer pp 5568–5574 DOI: 10.1021/ja980181t Supporting Info

Enhanced Quantum Efficiencies and Short-Circuit Photocurrents in Solid Porphyrin Thin Film Cells by Internal Electric Fields Chong-yang Liu and Allen J. Bard pp 5575–5576 DOI: 10.1021/ja980302p

Molecular Specific Swelling Change of Hydrogels in Accordance with the Concentration of Guest Molecules Masayoshi Watanabe, Tomoyuki Akahoshi, Yoshitaka Tabata, and Daisuke Nakayama pp 5577–5578 DOI: 10.1021/ja973070n Supporting Info

Rhodium-Catalyzed Asymmetric 1,4-Addition of Aryl- and Alkenylboronic Acids to Enones Yoshiaki Takaya, Masamichi Ogasawara, and Tamio HayashiMasaaki Sakai and Norio Miyaura pp 5579–5580 DOI: 10.1021/ja980666h Supporting Info

Conservation of Absolute Configuration in the Acyclic Rhodium-Catalyzed Allylic Alkylation Reaction:  Evidence for an Enyl (σ + π) Organorhodium Intermediate P. Andrew Evans and Jade D. Nelson pp 5581–5582 DOI: 10.1021/ja980030q Supporting Info

Glycosynthases:  Mutant Glycosidases for Oligosaccharide Synthesis Lloyd F. Mackenzie, Qingping Wang, R. Antony J. Warren, and Stephen G. Withers pp 5583–5584 DOI: 10.1021/ja980833d

Facile Preparation of Unsymmetric Carbodiimides via in Situ Tin(II)-Mediated Heterocumulene Metathesis Jason R. Babcock and Lawrence R. Sita pp 5585–5586 DOI: 10.1021/ja980173c

Ruthenium-Catalyzed β-Allyl Elimination Leading to Selective Cleavage of a Carbon−Carbon Bond in Homoallyl Alcohols Teruyuki Kondo, Kouichi Kodoi, Eiji Nishinaga, Takumi Okada, Yasuhiro Morisaki, Yoshihisa Watanabe, and Take-aki Mitsudo pp 5587–5588 DOI: 10.1021/ja980714y Supporting Info

Nonequilibrium Radical Reductions Alexandre J. Buckmelter, Jay P. Powers, and Scott D. Rychnovsky pp 5589–5590 DOI: 10.1021/ja980857k Supporting Info

Segmental Isotope Labeling for Protein NMR Using Peptide Splicing Toshio Yamazaki, Takanori Otomo, Natsuko Oda, Yoshimasa Kyogoku, Koichi Uegaki, Nobutoshi Ito, Yoshizumi Ishino, and Haruki Nakamura pp 5591–5592 DOI: 10.1021/ja980776o Supporting Info

Charge-Transfer Interactions in Macromolecular Systems:  A New View of the Protein/Water Interface Gautham Nadig, Laura C. Van Zant, Steve L. Dixon, and Kenneth M. Merz, Jr. pp 5593–5594 DOI: 10.1021/ja980564r

Direct Attack of Phenyl Anion at an Electrophilic Osmium−Nitrido Ligand Thomas J. Crevier and James M. Mayer pp 5595–5596 DOI: 10.1021/ja980548u Supporting Info

Total Synthesis of Phorboxazole A Craig J. Forsyth, Feryan Ahmed, Russell D. Cink, and Chi Sing Lee pp 5597–5598 DOI: 10.1021/ja980621g Supporting Info

Adsorption of Linear and Branched Alkanes in the Zeolite Silicalite-1 T. J. H. Vlugt, W. Zhu, F. Kapteijn, J. A. Moulijn, B. Smit, and R. Krishna pp 5599–5600 DOI: 10.1021/ja974336t

Polar and Luminescent Supramolecular Films Gregory N. Tew, Leiming Li, and Samuel I. Stupp pp 5601–5602 DOI: 10.1021/ja9727732

Investigation of Cyclopropane Stereomutation by Quasiclassical Trajectories on an Analytical Potential Energy Surface J. Am. Chem. Soc. 1997, 119, 5253−5254 David A. Hrovat, Shu Fang, Weston Thatcher Borden, and Barry K. Carpenter p 5603 DOI: 10.1021/ja985506k

Infrared and Raman Spectra of Inorganic and Coordination Compounds, 5th ed., Parts A and B By Kazuo Nakamoto (Marquette University). Wiley:  New York. 1997. Part A:  xiii + 387 pp. $64.95. ISBN 0-471-16394-5. Part B:  xiii + 384 pp. $69.95. ISBN 0-471-16392-9. George Blyholder pp 5603–5604 DOI: 10.1021/ja975640p

Carbohydrates in Drug Design Edited by Zbigniew J. Witczak and Karl A. Nieforth (University of Connecticut). Marcel Dekker:  New York. 1997. ix + 703 pp. $175.00. ISBN 0-8247-9982-8. Jacquelyn Gervay p 5604 DOI: 10.1021/ja975613z

An Introduction to Hydrogen Bonding By George A. Jeffrey (University of Pittsburgh). Oxford University Press:  New York and Oxford. 1997. ix + 303 pp. $60.00. ISBN 0-19-509549-9. J. J. Dannenberg p 5604 DOI: 10.1021/ja9756331

Issue 23

Dynamic Enzymatic Resolution of Thioesters Pil-Je Um and Dale G. Drueckhammer pp 5605–5610 DOI: 10.1021/ja980445b Supporting Info

Molecular Dynamics Simulations of Ground and Transition States for the SN2 Displacement of Cl- from 1,2-Dichloroethane at the Active Site of Xanthobacter autotrophicus Haloalkane Dehalogenase Felice C. Lightstone, Ya-Jun Zheng, and Thomas C. Bruice pp 5611–5621 DOI: 10.1021/ja980162j Supporting Info

Alkynes, Allenes, and Alkenes in [3,3]-Sigmatropy:  Functional Diversity and Kinetic Monotony. A Theoretical Analysis Kersey A. Black, Sarah Wilsey, and K. N. Houk pp 5622–5627 DOI: 10.1021/ja972826f Supporting Info

Electrophilic Bromination of Ethylene and Ethylene-d4. A Combined Experimental and Theoretical Study Terry Koerner, R. S. Brown, J. L. Gainsforth, and M. Klobukowski pp 5628–5636 DOI: 10.1021/ja974151m Supporting Info

Asymmetric Induction in η2-Arene Complexes of Pentaammineosmium(II) Mahendra D. Chordia and W. Dean Harman pp 5637–5642 DOI: 10.1021/ja980082f Supporting Info

Arriving at an Experimental Estimate of the Intrinsic Activation Barrier of Olefin Insertion into the Zr−C Bond of an Active Metallocene Ziegler Catalyst Jörn Karl, Marc Dahlmann, Gerhard Erker, and Klaus Bergander pp 5643–5652 DOI: 10.1021/ja9743809 Supporting Info

Rh(0) Nanoclusters in Benzene Hydrogenation Catalysis:  Kinetic and Mechanistic Evidence that a Putative [(C8H17)3NCH3]+[RhCl4]- Ion-Pair Catalyst Is Actually a Distribution of Cl- and [(C8H17)3NCH3]+ Stabilized Rh(0) Nanoclusters Katherine S. Weddle, John D. Aiken III, and Richard G. Finke pp 5653–5666 DOI: 10.1021/ja973045h Supporting Info

Alkali Metal Cation Control of Oxidation Reactions of Radicals in Zeolites Frances L. Cozens, Maria Luz Cano, Hermenegildo García, and Norman P. Schepp pp 5667–5673 DOI: 10.1021/ja971524a

Spectroscopic Study of [Fe2(O2)(OBz)2{HB(pz‘)3}2]:  Nature of the μ-1,2 Peroxide−Fe(III) Bond and Its Possible Relevance to O2 Activation by Non-Heme Iron Enzymes Thomas C. Brunold, Nobuchika Tamura, Nobumasa Kitajima, Yoshihiko Moro-oka, and Edward I. Solomon pp 5674–5690 DOI: 10.1021/ja980129x Supporting Info

Reactivity of Five-Coordinate Models for the Thiolate-Ligated Fe Site of Nitrile Hydratase Jeffrey J. Ellison, Andrew Nienstedt, Steven C. Shoner, David Barnhart, Jerry A. Cowen, and Julie A. Kovacs pp 5691–5700 DOI: 10.1021/ja973129q Supporting Info

Does the Cal-Ad Method Distinguish Differences in the Acid Sites of H-MFI? S. Savitz, A. L. Myers, R. J. Gorte, and David White pp 5701–5703 DOI: 10.1021/ja980157f

Reactions of Ground-State Ti+ and V+ with Propane:  Factors That Govern C−H and C−C Bond Cleavage Product Branching Ratios Petra A. M. van Koppen, Michael T. Bowers, Chris L. Haynes, and P. B. Armentrout pp 5704–5712 DOI: 10.1021/ja974372s

Dependence of Intramolecular Dissociative Electron Transfer Rates on Driving Force in Donor−Spacer−Acceptor Systems Sabrina Antonello and Flavio Maran pp 5713–5722 DOI: 10.1021/ja9741180

Structure and Magnetic Properties of Glycine Radical in Aqueous Solution at Different pH Values Nadia Rega, Maurizio Cossi, and Vincenzo Barone pp 5723–5732 DOI: 10.1021/ja974232i

Role of Polar and Enthalpic Effects in the Addition of Methyl Radical to Substituted Alkenes:  A Density Functional Study Including Solvent Effects Roger Arnaud, Nicolas Bugaud, Valentina Vetere, and Vincenzo Barone pp 5733–5740 DOI: 10.1021/ja973896p Supporting Info

Rearrangements on the C6H6 Potential Energy Surface and the Topomerization of Benzene Holger F. Bettinger, Peter R. Schreiner, Henry F. Schaefer III, and Paul v. R. Schleyer pp 5741–5750 DOI: 10.1021/ja973270z

Photodissociation Dynamics of Propyne and Allene:  A View from ab Initio Calculations of the C3Hn (n = 1−4) Species and the Isomerization Mechanism for C3H2 A. M. Mebel, W. M. Jackson, A. H. H. Chang, and S. H. Lin pp 5751–5763 DOI: 10.1021/ja9727169 Supporting Info

Theoretical Investigation of Stevens Rearrangement of P and As Ylides. Migration of H, CH3, CHCH2, SiH3, and GeH3 Groups on P and As Atoms Kei Makita, Jugo Koketsu, Fumio Ando, Yoshihiko Ninomiya, and Nobuaki Koga pp 5764–5770 DOI: 10.1021/ja9803207

Use of Locally Enhanced Sampling in Free Energy Calculations:  Testing and Application to the α → β Anomerization of Glucose Carlos Simmerling, Thomas Fox, and Peter A. Kollman pp 5771–5782 DOI: 10.1021/ja972457n

Kinetic Deuterium Isotope Effect Profiles and Substituent Effects in the Oxidative N-Demethylation of N,N-Dimethylanilines Catalyzed by Tetrakis(pentafluorophenyl)porphyrin Iron(III) Chloride Enrico Baciocchi, Osvaldo Lanzalunga, Andrea Lapi, and Laura Manduchi pp 5783–5787 DOI: 10.1021/ja980187i

Calorimetric and Computational Studies of Chlorocarbon Adsorption in Zeolites Caroline F. Mellot, Anthony K. Cheetham, Shani Harms, Scott Savitz, Raymond J. Gorte, and Alan L. Myers pp 5788–5792 DOI: 10.1021/ja980107a

Identification of Inorganic Elements in Proteins in Human Serum and in DNA Fragments by Size Exclusion Chromatography and Inductively Coupled Plasma Mass Spectrometry with a Magnetic Sector Mass Spectrometer Jin Wang, R. S. Houk, Dawn Dreessen, and Daniel R. Wiederin pp 5793–5799 DOI: 10.1021/ja9735970

Selective Binding of Crown Ethers to Protonated Peptides Can Be Used To Probe Mechanisms of H/D Exchange and Collision-Induced Dissociation Reactions in the Gas Phase Sang-Won Lee, Hak-No Lee, Hyun Sik Kim, and J. L. Beauchamp pp 5800–5805 DOI: 10.1021/ja980056h

Characterization of Multiple Reduction Pathways of Proteins in the Presence of a Denaturant Michio Iwaoka and Harold A. Scheraga pp 5806–5807 DOI: 10.1021/ja980479j Supporting Info

Asymmetric Synthesis of Chiral Amine Derivatives through Enantioselective Hydrogenation with a Highly Effective Rhodium Catalyst Containing a Chiral Bisaminophosphine Ligand Fu-Yao Zhang, Cheng-Chao Pai, and Albert S. C. Chan pp 5808–5809 DOI: 10.1021/ja974045k

Binding of Diamines to n-Butyllithium Dimers:  Relative Solvation Energies and Evidence of Correlated Solvation Daniele Hoffmann and David B. Collum pp 5810–5811 DOI: 10.1021/ja971512p Supporting Info

A Designed Three Stranded β-Sheet Peptide as a Multiple β-Hairpin Model Chittaranjan Das, S. Raghothama, and P. Balaram pp 5812–5813 DOI: 10.1021/ja973739q Supporting Info

Aromatic Benzannulated Silole Dianions. The Dilithio and Disodio Salts of a Silaindenyl Dianion1 Seok-Bong Choi, Philip Boudjouk, and Pingrong Wei pp 5814–5815 DOI: 10.1021/ja973170t Supporting Info

Electrophilic Cationic Ethylidene Complexes of Ir(III). Comparative α-Migratory Insertion Processes into Hydride and Ethyl Groups Francisco M. Alías, Manuel L. Poveda, Murielle Sellin, and Ernesto Carmona pp 5816–5817 DOI: 10.1021/ja980034v

Electron Density Distribution in a 1,2-Difluorinated Cubane Derivative Hermann Irngartinger and Stefan Strack pp 5818–5819 DOI: 10.1021/ja980514m Supporting Info

Vibrational Raman Optical Activity of DNA and RNA A. F. Bell, L. Hecht, and L. D. Barron pp 5820–5821 DOI: 10.1021/ja980851v

Intramolecular Electron Transfer between Noncovalently Linked Donor and Acceptor in a [2]Catenane Yi-Zhen Hu, Dietmar van Loyen, Oliver Schwarz, Stefan Bossmann, Heinz Dürr, Volker Huch, and Michael Veith pp 5822–5823 DOI: 10.1021/ja980332s Supporting Info

C2-Symmetric Copper(II) Complexes as Chiral Lewis Acids. Enantioselective Catalysis of the Glyoxylate−Ene Reaction David A. Evans, Christopher S. Burgey, Nick A. Paras, Tomas Vojkovsky, and Steven W. Tregay pp 5824–5825 DOI: 10.1021/ja980549m Supporting Info

A Kinetic Study of the Thermal Loss of Ethylene from CpNb(CO)3(η2-C2H4) in Supercritical Fluid Solvents John C. Linehan, Clement R. Yonker, J. Timothy Bays, and S. Thomas AutreyThomas E. Bitterwolf and Skip Gallagher pp 5826–5827 DOI: 10.1021/ja974054t Supporting Info

Cysteine S−H as a Hydrogen-Bonding Probe in Proteins Hideki Kandori, Norimichi Kinoshita, Yoshinori Shichida, Akio Maeda, Richard Needleman, and Janos K. Lanyi pp 5828–5829 DOI: 10.1021/ja980837i

Synthesis and Structural Characterization of {[Me2Si(C5Me4)2]Zr(η2-C2H4)H}2Mg:  An ansa-Zirconocene Ethylene−Hydride Complex Hyosun Lee, Tony Hascall, Peter J. Desrosiers, and Gerard Parkin pp 5830–5831 DOI: 10.1021/ja980813b Supporting Info

Direct Observation of Two Different Types of TMM Intermediates in the Photoinduced Electron-Transfer Degenerate Methylenecyclopropane Rearrangement Hiroshi Ikeda, Tatsuo Nakamura, Tsutomu Miyashi, Joshua L. Goodman, Kimio Akiyama, Shozo Tero-Kubota, Abdelaziz Houmam, and Danial D. M. Wayner pp 5832–5833 DOI: 10.1021/ja973760r Supporting Info

Disulfide Mass Mapping in Proteins Containing Adjacent Cysteines Is Possible with Cyanylation/Cleavage Methodology Ying Yang, Jiang Wu, and J. Throck Watson pp 5834–5835 DOI: 10.1021/ja9736018

Heterodinuclear Uranium/Molybdenum Dinitrogen Complexes Aaron L. Odom, Polly L. Arnold, and Christopher C. Cummins pp 5836–5837 DOI: 10.1021/ja980095t Supporting Info

Nitrogen-philic Cyclization of Acyl Radicals onto NC Bond. New Synthesis of 2-Pyrrolidinones by Radical Carbonylation/Annulation Method Ilhyong Ryu, Kazutoshi Matsu, Satoshi Minakata, and Mitsuo Komatsu pp 5838–5839 DOI: 10.1021/ja980731n Supporting Info

Catalytic Enantioselective 1,3-Dipolar Cycloadditions between Nitrones and Alkenes Using a Novel Heterochiral Ytterbium(III) Catalyst Shū Kobayashi and Mikako Kawamura pp 5840–5841 DOI: 10.1021/ja980702c Supporting Info

Hydration Energies of Divalent Metal Ions, Ca2+(H2O)n (n = 5−7) and Ni2+(H2O)n (n = 6−8), Obtained by Blackbody Infrared Radiative Dissociation Sandra E. Rodriguez-Cruz, Rebecca A. Jockusch, and Evan R. Williams pp 5842–5843 DOI: 10.1021/ja980716i

Theoretical Studies on Lewis Acid Acceleration in Simmons−Smith Reaction Eiichi Nakamura, Atsushi Hirai, and Masaharu Nakamura pp 5844–5845 DOI: 10.1021/ja9806985 Supporting Info

Enantioselective Addition of Allylzinc Reagent to Alkynyl Ketones Masaharu Nakamura, Atsushi Hirai, Miki Sogi, and Eiichi Nakamura pp 5846–5847 DOI: 10.1021/ja9804262 Supporting Info

Solvent Control of Vibronic Coupling upon Intervalence Charge Transfer Excitation of (CN)5FeCNRu(NH3)5- as Revealed by Resonance Raman and Near-Infrared Absorption Spectroscopies Chengfei Wang, Brian K. Mohney, Robert D. Williams, Vladimir Petrov, Joseph T. Hupp, and Gilbert C. Walker pp 5848–5849 DOI: 10.1021/ja9736931 Supporting Info

Modeling the Photosynthetic Water Oxidation Complex:  Activation of Water by Controlled Deprotonation and Incorporation into a Tetranuclear Manganese Complex Guillem Aromí, Michael W. Wemple, Sheila J. Aubin, Kirsten Folting, David N. Hendrickson, and George Christou pp 5850–5851 DOI: 10.1021/ja9730573 Supporting Info

Self-Assembled Silica Gel Networks Joseph Wang, Prasad V. A. Pamidi, and Dilson R. Zanette pp 5852–5853 DOI: 10.1021/ja9742747 Supporting Info

Ester Hydrolysis by a Catalytic Cyclodextrin Dimer Enzyme Mimic with a Metallobipyridyl Linking Group J. Am. Chem. Soc. 1997, 119, 1676−1681 Biliang Zhang and Ronald Breslow p 5854 DOI: 10.1021/ja985507c

1-N-Iminosugars:  Potent and Selective Inhibitors of β-Glycosidases J. Am. Chem. Soc. 1998, 120, 3007−3018 Yoshitake Ichikawa, Yasuhiro Igarashi, Mie Ichikawa, and Yoshitomo Suhara p 5854 DOI: 10.1021/ja985509x

Issue 24

A Dynamically Regulated Transformation of a Bacterial Bilayer Membrane to a Cross-linked 2-Dimensional Sheet during Adaptation to Unfavorable Environmental Pressures Jeongrim Lee, Seunho Jung, Susan Lowe, J. Gregory Zeikus, and Rawle I. Hollingsworth pp 5855–5863 DOI: 10.1021/ja980126k

A New Strategy for the Design of Monoamine Oxidase Inactivators. Exploratory Studies with Tertiary Allylic and Propargylic Amino Alcohols Kelly A. Van Houten, Jong-Man Kim, Michael A. Bogdan, Dino C. Ferri, and Patrick S. Mariano pp 5864–5872 DOI: 10.1021/ja973978d Supporting Info

A Nonconventional Approach to Supramolecular Formation Dynamics. The Kinetics of Assembly of DNA-Bound Porphyrins Robert F. Pasternack, Esther J. Gibbs, Peter J. Collings, Julio C. dePaula, L. Christine Turzo, and Antonio Terracina pp 5873–5878 DOI: 10.1021/ja980186q Supporting Info

A Novel Rigid β-Turn Molecular Scaffold Angela Lombardi, Gabriella D'Auria, Ornella Maglio, Flavia Nastri, Laura Quartara, Carlo Pedone, and Vincenzo Pavone pp 5879–5886 DOI: 10.1021/ja9643329

Template-Directed Architectural Isomerism of Open Molecular Frameworks:  Engineering of Crystalline Clathrates Jennifer A. Swift, Adam M. Pivovar, Anne M. Reynolds, and Michael D. Ward pp 5887–5894 DOI: 10.1021/ja980793d Supporting Info

Molecular Dynamics Simulation of a PNA·DNA·PNA Triple Helix in Aqueous Solution George C. Shields, Charles A. Laughton, and Modesto Orozco pp 5895–5904 DOI: 10.1021/ja9723444

Multicomponent Molecular Conductors with Supramolecular Assembly:  Iodine-Containing Neutral Molecules as Building Blocks Hiroshi M. Yamamoto, Jun-Ichi Yamaura, and Reizo Kato pp 5905–5913 DOI: 10.1021/ja980024u Supporting Info

Structure of Caribbean Ciguatoxin Isolated from Caranx latus Richard J. Lewis, Jean-Paul Vernoux, and Ian M. Brereton pp 5914–5920 DOI: 10.1021/ja980389e Supporting Info

General Strategies toward the Syntheses of Macrolide Antibiotics. The Total Syntheses of 6-Deoxyerythronolide B and Oleandolide David A. Evans, Annette S. Kim, Rainer Metternich, and Vance J. Novack pp 5921–5942 DOI: 10.1021/ja9806128 Supporting Info

Design and Synthesis of Chiral Ketones for Catalytic Asymmetric Epoxidation of Unfunctionalized Olefins Dan Yang, Man-Kin Wong, Yiu-Chung Yip, Xue-Chao Wang, Man-Wai Tang, Jian-Hua Zheng, and Kung-Kai Cheung pp 5943–5952 DOI: 10.1021/ja980428m Supporting Info

Studies Directed toward the Total Synthesis of Cerorubenic Acid-III. 5. A Radical Cyclization Route Leading to the Methyl Ester of the Natural Isomer1 Leo A. Paquette and Brian P. Dyck pp 5953–5960 DOI: 10.1021/ja980691n Supporting Info

Sulfenate Intermediates in the Sulfoxide Glycosylation Reaction Jeff Gildersleeve, Robert A. Pascal, Jr., and Daniel Kahne pp 5961–5969 DOI: 10.1021/ja980827h Supporting Info

9β,19-Cyclosterol Analysis by 1H and 13C NMR, Crystallographic Observations, and Molecular Mechanics Calculations W. David Nes, Kazuo Koike, Zhonghua Jia, Yohko Sakamoto, Tadaaki Satou, Tamotsu Nikaido, and Jane F. Griffin pp 5970–5980 DOI: 10.1021/ja9802504 Supporting Info

“New” Catalysts for the Ester-Interchange Reaction:  The Role of Alkali-Metal Alkoxide Clusters in Achieving Unprecedented Reaction Rates Matthew G. Stanton, Cara B. Allen, Rebecca M. Kissling, Alice L. Lincoln, and Michel R. Gagné pp 5981–5989 DOI: 10.1021/ja980584t Supporting Info

Study of trans-2-tert-Butylcyclopropylcarbene by Laser Flash Photolysis and Chemical Analysis1 Haiyong Huang and Matthew S. Platz pp 5990–5999 DOI: 10.1021/ja980252o Supporting Info

Polyphenylbiphenyls and Polyphenylfluorenes Ling Tong, Heidi Lau, Douglas M. Ho, and Robert A. Pascal, Jr. pp 6000–6006 DOI: 10.1021/ja980322r Supporting Info

Mode of Attack of Atomic Carbon on Benzene Rings Brian M. Armstrong, Fengmei Zheng, and Philip B. Shevlin pp 6007–6011 DOI: 10.1021/ja980710t

Novel Synthesis and Structures of Tris-Annelated Benzene Donors for the Electron-Density Elucidation of the Classical Mills−Nixon Effect R. Rathore, S. V. Lindeman, A. S. Kumar, and J. K. Kochi pp 6012–6018 DOI: 10.1021/ja980805v Supporting Info

In Situ X-ray Absorption Spectroscopy Investigation during the Formation of Colloidal Copper J. Rothe, J. Hormes, H. Bönnemann, W. Brijoux, and K. Siepen pp 6019–6023 DOI: 10.1021/ja972748w

Nonionic Triblock and Star Diblock Copolymer and Oligomeric Surfactant Syntheses of Highly Ordered, Hydrothermally Stable, Mesoporous Silica Structures Dongyuan Zhao, Qisheng Huo, Jianglin Feng, Bradley F. Chmelka, and Galen D. Stucky pp 6024–6036 DOI: 10.1021/ja974025i Supporting Info

Zirconium Complexes of 9-Phenyl-9-borataanthracene. Synthesis, Structural Characterization, and Reactivity Rip A. Lee, Rene J. Lachicotte, and Guillermo C. Bazan pp 6037–6046 DOI: 10.1021/ja972651+ Supporting Info

Triply Bonded Nb24+ Tetragonal Lantern Compounds:  Some Accompanied by Novel B−H···Na+ Interactions F. Albert Cotton, John H. Matonic, and Carlos A. Murillo pp 6047–6052 DOI: 10.1021/ja980092g Supporting Info

Manganese Porphyrins as Redox-Coupled Peroxynitrite Reductases Jinbo Lee, Julianne A. Hunt, and John T. Groves pp 6053–6061 DOI: 10.1021/ja9801036

Impact of Counterion on Water Motion in Aerosol OT Reverse Micelles Ruth E. Riter, Erik P. Undiks, and Nancy E. Levinger pp 6062–6067 DOI: 10.1021/ja980087c

Effective Charge Transfer Distances in Cyanide-Bridged Mixed-Valence Transition Metal Complexes Gerold U. Bublitz, William M. Laidlaw, Robert G. Denning, and Steven G. Boxer pp 6068–6075 DOI: 10.1021/ja980453s

Synthesis and Structural and Functional Evaluation of a Protein Modified with a β-Turn Mimic Fabienne Jean, Eric Buisine, Oleg Melnyk, Hervé Drobecq, Benoît Odaert, Michel Hugues, Guy Lippens, and André Tartar pp 6076–6083 DOI: 10.1021/ja972346o

EPR and Angle-Selected ENDOR Study of 5f-Ligand Interactions in the [U(η7-C7H7)2]- Anion, an f1 Analogue of Uranocene Didier Gourier, Daniel Caurant, Thérèse Arliguie, and Michel Ephritikhine pp 6084–6092 DOI: 10.1021/ja9740172

The Gas-Phase Basicity of Sulfuric Acid Khanh Do, Timothy P. Klein, Cynthia Ann Pommerening, Steven M. Bachrach, and Lee S. Sunderlin pp 6093–6096 DOI: 10.1021/ja970415t Supporting Info

A Matrix-Isolation and Density Functional Theory Study of the Reactions of Laser-Ablated Beryllium, Magnesium, and Calcium Atoms with Methane Tim M. Greene, Dominick V. Lanzisera, Lester Andrews, and Anthony J. Downs pp 6097–6104 DOI: 10.1021/ja9804870

Matrix Isolation Infrared Spectroscopic and Density Functional Study of the Mechanism of the Oxidation of CH3OH by CrCl2O2 Bruce S. Ault pp 6105–6112 DOI: 10.1021/ja9808752

An Ab Initio Study of the Isomerization of Mg− and Ca−Pyrophosphates W. J. McCarthy, D. M. A. Smith, L. Adamowicz, H. Saint-Martin, and I. Ortega-Blake pp 6113–6120 DOI: 10.1021/ja972715g Supporting Info

Rotational Relaxation in Polar Solvents. Molecular Dynamics Study of Solute−Solvent Interaction M. G. Kurnikova, N. Balabai, D. H. Waldeck, and R. D. Coalson pp 6121–6130 DOI: 10.1021/ja972926l

Computer Simulation of Phenyl Ester Cleavage by β-Cyclodextrin in Solution Victor Luzhkov and Johan Åqvist pp 6131–6137 DOI: 10.1021/ja973799w

pKa Shifts in Small Molecules and HIV Protease:  Electrostatics and Conformation Rui Luo, Martha S. Head, John Moult, and Michael K. Gilson pp 6138–6146 DOI: 10.1021/ja974307i

Molecular Dynamics of Hemiprotonated Intercalated Four-Stranded i-DNA:  Stable Trajectories on a Nanosecond Scale Naďa Špacková, Imre Berger, Martin Egli, and Jiří Šponer pp 6147–6151 DOI: 10.1021/ja9743497

Quantitative Chirality in Structure−Activity Correlations. Shape Recognition by Trypsin, by the D2 Dopamine Receptor, and by Cholinesterases Shahar Keinan and David Avnir pp 6152–6159 DOI: 10.1021/ja9800941

Absolute Stereochemistry of Chiral Molecules from ab Initio Theoretical and Experimental Molecular Optical Rotations Prasad L. Polavarapu and Dilip K. Chakraborty pp 6160–6164 DOI: 10.1021/ja980838a

Anisotropic Electric Conductivity in an Aligned DNA Cast Film Yoshio Okahata, Takuya Kobayashi, Kentaro Tanaka, and Masatsugu Shimomura pp 6165–6166 DOI: 10.1021/ja980165w

The Nature of the Long Bond in 3,8-Dichloro-1,1,2,2-tetraphenylcyclobuta[b]naphthene Kim K. Baldridge, Yoshiro Kasahara, Keiichiro Ogawa, Jay S. Siegel, Koichi Tanaka, and Fumio Toda pp 6167–6168 DOI: 10.1021/ja980498t

Inter- and Intramolecular C−H Activation by a Cationic Iridium(III) Center via Oxidative-Addition Reductive-Elimination and σ-Bond Metathesis Pathways Shuqiang Niu and Michael B. Hall pp 6169–6170 DOI: 10.1021/ja980297p

General Synthesis, First Crystal Structure, and Reactivity of Stable o-Quinone Methide Complexes of Cp*Ir Hani Amouri, Yvon Besace, and Jean Le BrasJacqueline Vaissermann pp 6171–6172 DOI: 10.1021/ja9802145 Supporting Info

Structural Differences between ππ* and nπ* Acetophenone Triplet Excited States as Revealed by Time-Resolved IR Spectroscopy Sanjay Srivastava, Emily Yourd, and John P. Toscano pp 6173–6174 DOI: 10.1021/ja981093b Supporting Info

Facile C−C Bond Formation between Terminal Acetylenes and Olefines Leading to η3-Butadienyl and η2-Butadiene Complexes. A New Reaction Pathway for Metallacyclobutane Complexes Christian Slugovc, Kurt Mereiter, Roland Schmid, and Karl Kirchner pp 6175–6176 DOI: 10.1021/ja9804722 Supporting Info

Zinc-Bisquinoline Coordination Assemblies of High Refractive Index and Film Uniformity D. L. Thomsen III, T. Phely-Bobin, and F. Papadimitrakopoulos pp 6177–6178 DOI: 10.1021/ja9810944

Patterning a Preformed, Reactive SAM Using Microcontact Printing Lin Yan, Xiao-Mei Zhao, and George M. Whitesides pp 6179–6180 DOI: 10.1021/ja980770z

A Novel Staged Form of Layered Zirconium Phosphonates with Methyl and p-Aminobenzyl Pendant Groups Jay C. Amicangelo and Willem R. Leenstra pp 6181–6182 DOI: 10.1021/ja9810787

Synthetic Heme−Peptide Complexes David L. Huffman, Michael M. Rosenblatt, and Kenneth S. Suslick pp 6183–6184 DOI: 10.1021/ja9704545 Supporting Info

Zinc Porphyrin Tweezer in Host−Guest Complexation:  Determination of Absolute Configurations of Diamines, Amino Acids, and Amino Alcohols by Circular Dichroism Xuefei Huang, Barry H. Rickman, Babak Borhan, Nina Berova, and Koji Nakanishi pp 6185–6186 DOI: 10.1021/ja973539e Supporting Info

Experimental Study of the Stereomutation of 1,1-Difluoro-2-ethyl-3-methylcyclopropane Confirms the Predicted Preference for Disrotatory Ring Opening and Closure Feng Tian, Scott B. Lewis, Michael D. Bartberger, William R. DolbierJr., and Weston Thatcher Borden pp 6187–6188 DOI: 10.1021/ja980969b Supporting Info

Sonochemical Synthesis of Nanostructured Molybdenum Sulfide Millan M. Mdleleni, Taeghwan Hyeon, and Kenneth S. Suslick pp 6189–6190 DOI: 10.1021/ja9800333

Selective and Stable DNA Base Pairing without Hydrogen Bonds Tracy J. Matray and Eric T. Kool pp 6191–6192 DOI: 10.1021/ja9803310 Supporting Info

Dynamics of Assembly and Guest Exchange in the Tennis Ball Tomas Szabo, Göran Hilmersson, and Julius Rebek, Jr. pp 6193–6194 DOI: 10.1021/ja980161r

A Potent Inhibitor of the Melatonin Rhythm Enzyme Ehab M. Khalil and Philip A. Cole pp 6195–6196 DOI: 10.1021/ja981365a Supporting Info

Catalytic Enantioselective Hetero Diels−Alder Reactions of α,β-Unsaturated Acyl Phosphonates with Enol Ethers J. Am. Chem. Soc. 1998, 120, 4895−4896 David A. Evans and Jeffrey S. Johnson p 6197 DOI: 10.1021/ja9855085

Ullmann's Encyclopedia of Industrial Chemistry, Fifth Edition on CD-ROM Edited by H. Arpe et al. (Hoechst Aktiengesellschaft). Wiley-VCH:  Weinheim, Germany. 1997. $14300.00 (CD version); $16450 (both the print and CD versions). Annual updates of the CD version will be available for approximately $1150. ISBN 3-527-20159-9. Munmaya Mishra and Anita Feidler pp 6197–6198 DOI: 10.1021/ja9859023

Physical Adsorption; Forces and Phenomena. Series:  International series of Monographs on Chemistry. No. 33 By L. W. Bruch, Milton W. Cole, and Eugene Zaremba. ix + 340 pp. $85.00. ISBN 0-19-855638-1. Keith E. Gubbins p 6198 DOI: 10.1021/ja975618w

Monosaccharide Sugars. Chemical Synthesis by Chain Elongation, Degradation, and Epimerization By Zoltan Gyorgydeak and Istvan F. Pelyvas (Lajos Kossuth University, Debrecen, Hungary). Academic Press:  San Diego. 1997. xviii + 508 pp. $89.95. ISBN 0-12-550360-1. Vernon G. S. Box p 6198 DOI: 10.1021/ja985617j

Issue 25

Stereodefined Tandem Addition Reactions of η2-Arenes:  A Versatile Route to Functionalized Cyclohexenes Michael E. Kopach, Stanley P. Kolis, Ronggang Liu, Jason W. Robertson, Mahendra D. Chordia, and W. Dean Harman pp 6199–6204 DOI: 10.1021/ja980264+ Supporting Info

Activation of Benzylic Carbons in η2-Arene Complexes:  A Novel and Efficient Synthesis of Functionalized Decalins Stanley P. Kolis, Michael E. Kopach, Ronggang Liu, and W. Dean Harman pp 6205–6211 DOI: 10.1021/ja9802652 Supporting Info

The Effect of Pressure on Cyclizations. The Ring-Size Dependent Reaction Volumes of the Cyclization of 1-Alkenes to Cycloalkanes. Experimental Measurement of Activation and Reaction Volumes of the Intramolecular Diels−Alder Reaction of 1,3,8-Nonatriene and 1,3,9-Decatriene. Temperature Dependence of Activation and Reaction Volumes Matthias K. Diedrich and Frank-Gerrit Klärner pp 6212–6218 DOI: 10.1021/ja973936p Supporting Info

Aliphatic/Aromatic Amino Acid Pairings for Polyamide Recognition in the Minor Groove of DNA James M. Turner, Susanne E. Swalley, Eldon E. Baird, and Peter B. Dervan pp 6219–6226 DOI: 10.1021/ja980147e Supporting Info

Direct Porphyrin−Aryl Orbital Overlaps in Some meso-Tetraarylporphyrins Torgil Vangberg and Abhik Ghosh pp 6227–6230 DOI: 10.1021/ja980652b

The in Vitro Conversion of Norsolorinic Acid to Aflatoxin B1. An Improved Method of Cell-Free Enzyme Preparation and Stabilization Coran M. H. Watanabe and Craig A. Townsend pp 6231–6239 DOI: 10.1021/ja974367o

Convergent and Divergent Noncovalent Synthesis of Metallodendrimers Wilhelm T. S. Huck, Leonard J. Prins, Roel H. Fokkens, Nico M. M. Nibbering, Frank C. J. M. van Veggel, and David N. Reinhoudt pp 6240–6246 DOI: 10.1021/ja974031e

6-Oxocyclohexa-2,4-dienylideneketene:  A Highly Reactive α-Oxoketene Regina C.-Y. Liu, Janusz Lusztyk, Michael A. McAllister, Thomas T. Tidwell, and Brian D. Wagner pp 6247–6251 DOI: 10.1021/ja980060t Supporting Info

Crystal Structure and Thermodynamics of Reversible Molecular Capsules Robert G. Chapman, Gunnar Olovsson, James Trotter, and John C. Sherman pp 6252–6260 DOI: 10.1021/ja980081n Supporting Info

Bergman, Aza-Bergman, and Protonated Aza-Bergman Cyclizations and Intermediate 2,5-Arynes:  Chemistry and Challenges to Computation Christopher J. Cramer pp 6261–6269 DOI: 10.1021/ja9806579 Supporting Info

Simultaneous Voltammetric Comparisons of Reduction Potentials, Reactivities, and Stabilities of the High-Potential Catalytic States of Wild-Type and Distal-Pocket Mutant (W51F) Yeast Cytochrome c Peroxidase Madhu S. Mondal, David B. Goodin, and Fraser A. Armstrong pp 6270–6276 DOI: 10.1021/ja980197j

Enterobactin Protonation and Iron Release:  Hexadentate Tris-Salicylate Ligands as Models for Triprotonated Ferric Enterobactin1 Seth M. Cohen, Michel Meyer, and Kenneth N. Raymond pp 6277–6286 DOI: 10.1021/ja973442s Supporting Info

Sterically Encumbered (Perfluoroaryl) Borane and Aluminate Cocatalysts for Tuning Cation−Anion Ion Pair Structure and Reactivity in Metallocene Polymerization Processes. A Synthetic, Structural, and Polymerization Study You-Xian (Eugene) Chen, Matthew V. Metz, Liting Li, Charlotte L. Stern, and Tobin J. Marks pp 6287–6305 DOI: 10.1021/ja973769t Supporting Info

Coupled Excited States in Nickel(II) Complexes Probed by Polarized Absorption Spectroscopy Guillaume Bussière and Christian Reber pp 6306–6315 DOI: 10.1021/ja9740733

Synthesis of an η2-N2-Titanium Diazoalkane Complex with Both Imido- and Metal Carbene-Like Reactivity Patterns Jennifer L. Polse, Anne W. Kaplan, Richard A. Andersen, and Robert G. Bergman pp 6316–6328 DOI: 10.1021/ja974303d Supporting Info

Proton NMR Spectroscopy as a Probe of Dinuclear Copper(II) Active Sites in Metalloproteins. Characterization of the Hyperactive Copper(II)-Substituted Aminopeptidase from Aeromonas proteolytica Richard C. Holz, Brian Bennett, Guanjing Chen, and Li-June Ming pp 6329–6335 DOI: 10.1021/ja971589d Supporting Info

The Role of Substrate Identity in Determining Monolayer Motional Relaxation Dynamics J. C. Horne and G. J. Blanchard pp 6336–6344 DOI: 10.1021/ja972574i

Ab Initio Molecular Dynamics Study of the Reaction of Water with Formaldehyde in Sulfuric Acid Solution Evert Jan Meijer and Michiel Sprik pp 6345–6355 DOI: 10.1021/ja972935u

A Theoretical Comparison of Two Competing Diradical Cyclizations in Enyne-Allenes:  The Myers−Saito and the Novel C2−C6 Cyclization B. Engels and M. Hanrath pp 6356–6361 DOI: 10.1021/ja973051d

A Time-Resolved EPR Study of a New Zwitterion Undergoing Photoinduced Intramolecular Electron Transfer Katherine A. Hutchison, Kobi Hasharoni, Fred Wudl, Alexander Berg, Zohar Shuali, and Haim Levanon pp 6362–6365 DOI: 10.1021/ja974018u

Determination of the Energy Levels of Radical Pair States in Photosynthetic Models Oriented in Liquid Crystals with Time-Resolved Electron Paramagnetic Resonance Haim Levanon, Tamar Galili, Ayelet Regev, Gary P. Wiederrecht, Walter A. Svec, and Michael R. Wasielewski pp 6366–6373 DOI: 10.1021/ja980409c

Antiretrovirally Active Drug Hypericin Binds the IIA Subdomain of Human Serum Albumin:  Resonance Raman and Surface-Enhanced Raman Spectroscopy Study Pavol Miškovský, Daniel Jancura, Santiago Sánchez-Cortés, Eva Koišová, and Laurent Chinsky pp 6374–6379 DOI: 10.1021/ja974233a

An NMR Study of He2 Inside C70 Anthony Khong, Hugo A. Jiménez-Vázquez, Martin Saunders, R. James Cross, Julia Laskin, Tikva Peres, Chava Lifshitz, Rob Strongin, and Amos B. Smith III pp 6380–6383 DOI: 10.1021/ja980142h

Enflurane:  Structure and Conformational Properties Angelika Pfeiffer, Hans-Georg Mack, and Heinz Oberhammer pp 6384–6388 DOI: 10.1021/ja980661k

3He NMR of He@C606- and He@C706-. New Records for the Most Shielded and the Most Deshielded 3He Inside a Fullerene1 Elad Shabtai, Amir Weitz, Robert C. Haddon, Roy E. Hoffman, Mordecai Rabinovitz, Anthony Khong, R. James Cross, Martin Saunders, Pei-Chao Cheng, and Lawrence T. Scott pp 6389–6393 DOI: 10.1021/ja9805831

Transverse Relaxation-Optimized Spectroscopy (TROSY) for NMR Studies of Aromatic Spin Systems in 13C-Labeled Proteins Konstantin Pervushin, Roland Riek, Gerhard Wider, and Kurt Wüthrich pp 6394–6400 DOI: 10.1021/ja980742g

Synthesis and Characterization of a Terminal Borylene (Boranediyl) Complex Alan H. Cowley, Viviana Lomelí, and Andreas Voigt pp 6401–6402 DOI: 10.1021/ja9806433 Supporting Info

Ammonium Ion as an NMR Probe for Monovalent Cation Coordination Sites of DNA Quadruplexes Nicholas V. Hud, Peter Schultze, and Juli Feigon pp 6403–6404 DOI: 10.1021/ja9811039

Synthesis and Crystal Structure of 9,12-Bis-(4-acetylphenyl)-1,2-dicarbadodecaborane(12):  Self-Assembly Involving Intermolecular Carboranyl C−H Hydrogen Bonding George Harakas, Tuan Vu, Carolyn B. Knobler, and M. F. Hawthorne pp 6405–6406 DOI: 10.1021/ja9803411 Supporting Info

Carbon-13 Nuclear Shieldings as a Novel Method in Estimating Porphyrin Ruffling in Hexacoordinated Superstructured Heme Model Compounds in Solution Charalampos G. Kalodimos and Ioannis P. Gerothanassis pp 6407–6408 DOI: 10.1021/ja980483v

Isolation and Structural Characterization of the Lithium Cyanoorganocuprate Salt [Li(THF)2{Cu(CN)C6H3-2,6-Trip2}]2 (Trip = −C6H2-2,4,6-i-Pr3) Cheong-Soo Hwang and Philip P. Power pp 6409–6410 DOI: 10.1021/ja9809399 Supporting Info

Xylanase-Catalyzed Synthesis of a Novel Polysaccharide Having a Glucose-Xylose Repeating Unit, a Cellulose-Xylan Hybrid Polymer Masaya Fujita and Shin-ichiro ShodaShiro Kobayashi pp 6411–6412 DOI: 10.1021/ja980893j

Binding of Vitamin B12 and B12a to an Antibody and to Haptocorrin Probed by Enantioselective Quenching of Tb(pyridine-2,6-dicarboxylate)33- Luminescence Stefan C. J. Meskers and Harry P. J. M. Dekkers pp 6413–6414 DOI: 10.1021/ja9807688

Determination of the State of Water in Hydrated Cement Phases Using Deuterium NMR Spectroscopy Edward F. Rakiewicz, Alan J. Benesi, Michael W. Grutzeck, and Stephen Kwan pp 6415–6416 DOI: 10.1021/ja973728x

Total Syntheses of (−)-Asperlicin and (−)-Asperlicin C Feng He, Bruce M. Foxman, and Barry B. Snider pp 6417–6418 DOI: 10.1021/ja9809408 Supporting Info

(S)-3,3‘-Dimethyl-2,2‘-biquinoline N,N‘-Dioxide as an Efficient Catalyst for Enantioselective Addition of Allyltrichlorosilanes to Aldehydes Makoto Nakajima, Makoto Saito, Motoo Shiro, and Shun-ichi Hashimoto pp 6419–6420 DOI: 10.1021/ja981091r Supporting Info

An in-Fluorosilaphane:  The Largest in-Functional Group Is a Uniquely Encapsulated Fluorine Atom Steven Dell, Nancy J. Vogelaar, Douglas M. Ho, and Robert A. Pascal, Jr. pp 6421–6422 DOI: 10.1021/ja981009s Supporting Info

Synthesis and Crystal Structures of Bis(sulfonamido) Titanium Bis(alkoxide) Complexes:  Mechanistic Implications in the Bis(sulfonamide) Catalyzed Asymmetric Addition of Dialkylzinc Reagents to Aldehydes Suzy Pritchett, David H. Woodmansee, Peter Gantzel, and Patrick J. Walsh pp 6423–6424 DOI: 10.1021/ja973557w Supporting Info

The First Total Syntheses of Ircinol A, Ircinal A, and Manzamines A and D Jeffrey D. Winkler and Jeffrey M. Axten pp 6425–6426 DOI: 10.1021/ja981303k Supporting Info

Detection of a Monomeric Intermediate Associated with Dimerization of Protein Hu by Mass Spectrometry Hans Vis, Udo Heinemann, Christopher M. Dobson, and Carol V. Robinson pp 6427–6428 DOI: 10.1021/ja9811187

Solution-Based Analysis of Multiple Analytes by a Sensor Array:  Toward the Development of an “Electronic Tongue” John J. Lavigne, Steve Savoy, Marvin B. Clevenger, Jason E. Ritchie, Bridget McDoniel, Seung-Jin Yoo, Eric V. Anslyn, John T. McDevitt, Jason B. Shear, and Dean Neikirk pp 6429–6430 DOI: 10.1021/ja9743405 Supporting Info

A Supramolecular Analogue of Cyclohexane Sustained by Aromatic C−H···π Interactions:  Complexes of 1,3,5-Trihydroxybenzene with Substituted Pyridines Kumar Biradha and Michael J. Zaworotko pp 6431–6432 DOI: 10.1021/ja974105m Supporting Info

Issue 26

N-Methylated Diphenylguanidines:  Conformations, Propeller-Type Molecular Chirality, and Construction of Water-Soluble Oligomers with Multilayered Aromatic Structures Aya Tanatani, Kentaro Yamaguchi, Isao Azumaya, Ryuuta Fukutomi, Koichi Shudo, and Hiroyuki Kagechika pp 6433–6442 DOI: 10.1021/ja9806534 Supporting Info

Photochemical Equilibration/Isomerization of p-, m-, and o-Methylbenzonitrile Paula J. MacLeod, Alexandra L. Pincock, James A. Pincock, and Kim A. Thompson pp 6443–6450 DOI: 10.1021/ja9808301

Binding Mode of Norfloxacin to Calf Thymus DNA Gwan Su Son, Jeong-Ah Yeo, Mi-Sun Kim, Seog K. Kim, Anders Holmén, Björn Åkerman, and Bengt Nordén pp 6451–6457 DOI: 10.1021/ja9734049

Controlling the Frequency of Macrocyclic Ring Rotation in Benzylic Amide [2]Catenanes David A. Leigh, Aden Murphy, John P. Smart, Michael S. Deleuze, and Francesco Zerbetto pp 6458–6467 DOI: 10.1021/ja974065m Supporting Info

Why Is the Concerted (2+2) Mechanism of the Reactions of SO3 with Alkenes Favored over the (3+2) Mechanism? Density Functional and Correlated ab Initio Calculations and a Frontier MO Analysis Jan Haller, Brett R. Beno, and K. N. Houk pp 6468–6472 DOI: 10.1021/ja974236n

Stepwise Mechanisms in Cyclopropylcarbene Reactions Jordan M. Cummins, Timothy A. Porter, and Maitland Jones, Jr. pp 6473–6476 DOI: 10.1021/ja9803052

Catalytic Asymmetric Synthesis of Quaternary Carbon Centers. Exploratory Investigations of Intramolecular Heck Reactions of (E)-α,β-Unsaturated 2-Haloanilides and Analogues To Form Enantioenriched Spirocyclic Products Atsuyuki Ashimori, Benoit Bachand, Larry E. Overman, and Daniel J. Poon pp 6477–6487 DOI: 10.1021/ja980786p Supporting Info

Catalytic Asymmetric Synthesis of Quaternary Carbon Centers. Exploratory Studies of Intramolecular Heck Reactions of (Z)-α,β-Unsaturated Anilides and Mechanistic Investigations of Asymmetric Heck Reactions Proceeding via Neutral Intermediates Atsuyuki Ashimori, Benoit Bachand, Michael A. Calter, Steven P. Govek, Larry E. Overman, and Daniel J. Poon pp 6488–6499 DOI: 10.1021/ja980787h Supporting Info

Catalytic Asymmetric Synthesis of Either Enantiomer of the Calabar Alkaloids Physostigmine and Physovenine Takaharu Matsuura, Larry E. Overman, and Daniel J. Poon pp 6500–6503 DOI: 10.1021/ja980788+ Supporting Info

Electronic Dependence of C−O Reductive Elimination from Palladium (Aryl)neopentoxide Complexes Ross A. Widenhoefer and Stephen L. Buchwald pp 6504–6511 DOI: 10.1021/ja9806581

Acid-Catalyzed Solvolysis of Allylic Ethers and Alcohols. Competing Elimination and Substitution via a Thermodynamically “Stable” Carbocation Necmettin Pirinccioglu and Alf Thibblin pp 6512–6517 DOI: 10.1021/ja9807800 Supporting Info

Synthesis of Highly Fluorinated Monodisperse Colloids for Low Refractive Index Crystalline Colloidal Arrays Guisheng Pan, Albert S. Tse, R. Kesavamoorthy, and Sanford A. Asher pp 6518–6524 DOI: 10.1021/ja9804823

Nanosecond Switchable Polymerized Crystalline Colloidal Array Bragg Diffracting Materials Guisheng Pan, R. Kesavamoorthy, and Sanford A. Asher pp 6525–6530 DOI: 10.1021/ja980481a

Alkyl− and Aryl−Oxygen Bond Activation in Solution by Rhodium(I), Palladium(II), and Nickel(II). Transition-Metal-Based Selectivity Milko E. van der Boom, Shyh-Yeon Liou, Yehoshoa Ben-David, Linda J. W. Shimon, and David Milstein pp 6531–6541 DOI: 10.1021/ja9738889 Supporting Info

Direct Measurement of Ultrafast Carbon−Carbon Cleavage Rates via the Subpicosecond Charge-Transfer Activation of Pinacols T. M. Bockman, S. M. Hubig, and J. K. Kochi pp 6542–6547 DOI: 10.1021/ja980097d

Using Mixed Self-Assembled Monolayers Presenting RGD and (EG)3OH Groups To Characterize Long-Term Attachment of Bovine Capillary Endothelial Cells to Surfaces Carmichael Roberts, Christopher S. Chen, Milan Mrksich, Valerie Martichonok, Donald E. Ingber, and George M. Whitesides pp 6548–6555 DOI: 10.1021/ja972467o

New Magic Numbers in TixCy- Anion Clusters and Implications for the Growth Mechanisms of Titanium Carbide Clusters Lai-Sheng Wang, Xue-Bin Wang, Hongbin Wu, and Hansong Cheng pp 6556–6562 DOI: 10.1021/ja9741990

Linear and Angular Interactions in Distellenes:  Photoelectron Spectra and Ab Initio SCFMO Studies Holger Lange, Rolf Gleiter, and Gerd Fritzsche pp 6563–6568 DOI: 10.1021/ja980559n

Interpretation of Activation Volumes for Water Exchange Reactions Revisited:  Ab Initio Calculations for Al3+, Ga3+, and In3+, and New Experimental Data Th. Kowall, P. Caravan, H. Bourgeois, L. Helm, F. P. Rotzinger, and A. E. Merbach pp 6569–6577 DOI: 10.1021/ja980571f

Energy Barriers to Chemical Reactions. Why, How, and How Much? Non-Arrhenius Behavior in Hydrogen Abstractions by Radicals Andreas A. Zavitsas pp 6578–6586 DOI: 10.1021/ja973698y

Theoretical Studies on the Photochemistry of the Cis-to-Trans Conversion in Dinuclear Gold Halide Bis(diphenylphosphino)ethylene Complexes Peter Schwerdtfeger, Alice E. Bruce, and Mitchell R. M. Bruce pp 6587–6597 DOI: 10.1021/ja973741h

Four-Electron Reduction of Diazo Compounds at a Single Tungsten Metal Center:  A Theoretical Study of the Mechanism Feliu Maseras, Mark A. Lockwood, Odile Eisenstein, and Ian P. Rothwell pp 6598–6602 DOI: 10.1021/ja973977l

Introducing Chemical Transport Selectivity into Gold Nanotubule Membranes John C. Hulteen, Kshama B. Jirage, and Charles R. Martin pp 6603–6604 DOI: 10.1021/ja980045o

Metal−Alkane Complexes. Rapid Exchange of Hydrogen Atoms between Hydride and Methyl Ligands in [(C5Me5)Os(dmpm)(CH3)H+] Christopher L. Gross and Gregory S. Girolami pp 6605–6606 DOI: 10.1021/ja972971t Supporting Info

Chalcogen Atom Transfer to a Metal Nitrido. The First Transition Metal Selenonitrosyl Complex Thomas J. Crevier, Scott Lovell, and James M. MayerArnold L. Rheingold and Ilia A. Guzei pp 6607–6608 DOI: 10.1021/ja980992x Supporting Info

New Concept in the Allylation of Aldehydes:  Regiospecific Allylation of Aldehydes by an Allyl-Transfer Reaction of Homoallylic Alcohols Junzo Nokami, Kenji Yoshizane, Hiroyuki Matsuura, and Shin-ichi Sumida pp 6609–6610 DOI: 10.1021/ja9810742 Supporting Info

Regioselective Intramolecular Oxidation of Unactivated C−H Bonds by Dioxiranes Generated in Situ Dan Yang, Man-Kin Wong, Xue-Chao Wang, and Yeung-Chiu Tang pp 6611–6612 DOI: 10.1021/ja980916u Supporting Info

Covalent Adduct Formation with a Mutated Enzyme:  Evidence for a Thioester Intermediate in the Reaction Catalyzed by UDP-Glucose Dehydrogenase Xue Ge, Robert E. Campbell, Ivo van de Rijn, and Martin E. Tanner pp 6613–6614 DOI: 10.1021/ja9805977

Chiral Lewis Acid Catalysis in Conjugate Additions of O-Benzylhydroxylamine to Unsaturated Amides. Enantioselective Synthesis of β-Amino Acid Precursors Mukund P. Sibi, John J. Shay, Mei Liu, and Craig P. Jasperse pp 6615–6616 DOI: 10.1021/ja980520i Supporting Info

Direct Observation of Stereotopic Group Recognition in Solution and Solid State Jurriaan Huskens, Richard Goddard, and Manfred T. Reetz pp 6617–6618 DOI: 10.1021/ja980215x Supporting Info

Replacement of the Negative Phosphodiester Linkages of DNA by Positive S-Methylthiourea Linkers:  A Novel Approach to Putative Antisense Agents Dev P. Arya and Thomas C. Bruice pp 6619–6620 DOI: 10.1021/ja980629q Supporting Info

A Palladium-Catalyzed Strategy for the Preparation of Indoles:  A Novel Entry into the Fischer Indole Synthesis Seble Wagaw, Bryant H. Yang, and Stephen L. Buchwald pp 6621–6622 DOI: 10.1021/ja981045r Supporting Info

Controlled Site-Selective Reaction of γ,γ-Dialkoxyallylic Zirconium Species with Carbonyl Compounds:  A New Method for the Construction of gem-Dialkoxycyclopropane Derivatives Hisanaka Ito, Hisayo Kuroi, Hui Ding, and Takeo Taguchi pp 6623–6624 DOI: 10.1021/ja9808954 Supporting Info

15N NMR of RNA Fragments Containing Specifically Labeled Tandem GA Pairs Xiaohu Zhang, Barbara L. Gaffney, and Roger A. Jones pp 6625–6626 DOI: 10.1021/ja9738384

Total Synthesis of (±)-Batrachotoxinin A Michio Kurosu, Lawrence R. Marcin, Timothy J. Grinsteiner, and Yoshito Kishi pp 6627–6628 DOI: 10.1021/ja981258g Supporting Info

Structure-Based Design of a New Class of Protein Kinase C Modulators Lixin Qiao, Shaomeng Wang, Clifford George, Nancy E. Lewin, Peter M. Blumberg, and Alan P. Kozikowski pp 6629–6630 DOI: 10.1021/ja980513u Supporting Info

Analysis of the Structure and Stability of a Backbone-Modified Oligonucleotide:  Implications for Avoiding Product Inhibition in Catalytic Template-Directed Synthesis J. Am. Chem. Soc. 1998, 120, 3019−3031 Peizhi Luo, John C. Leitzel, Zheng-Yun J. Zhan, and David G. Lynn p 6631 DOI: 10.1021/ja985510w

Reductions by the Alumino- and Borohydrides in Organic Synthesis. Second Edition By Jacqueline Seyden-Penne. Wiley-VCH:  New York, Chichester, Weinheim, Singapore, and Toronto. 1997. xiv + 224 pp. $74.95. ISBN 0-471-19036-5. John J. Eisch pp 6631–6632 DOI: 10.1021/ja975662b

Purinergic Approaches in Experimental Therapeutics Edited by Kenneth A. Jacobson (National Institute of Diabetes) and Michael F. Jarvis (Abbott Laboratories). Wiley/VCH:  New York. 1997. xiv + 581 pp. $89.95. ISBN 0-471-114071-6. Juta K. Reed pp 6632–6633 DOI: 10.1021/ja975631g

Handbook of Instrumental Techniques for Analytical Chemistry Edited by Frank A. Settle. Prentice Hall:  Upper Saddle River. 1997. xxi + 995 pp. ISBN 0-13-177338-0. Michel J. Bertrand p 6633 DOI: 10.1021/ja975671k

Nuclear Magnetic Resonance Spectroscopy in Environmental Chemistry Edited by Mark A. Nanny (University of Oklahoma), Roger A. Minear (University of Illinois at Urbana-Champaign), and Jerry A. Leenheer (U.S. Geological Survey). Oxford University Press:  New York. 1997. viii + 326 pp. $65.00. ISBN 0-19-509751-3. Barry K. Lavine pp 6633–6634 DOI: 10.1021/ja9755727

X-Ray Charge Densities and Chemical Bonding. IUCr Texts on Crystallography 4 By Philip Coppens (State University of New York at Buffalo). Oxford University Press:  New York. 1997. xiii + 358 p. $85.00. ISBN 0-19-509823-4. Vedene H. Smith, Jr. p 6634 DOI: 10.1021/ja975636d

Progress in the Chemistry of Organic Natural Products, #71 Edited by W. Herz (Florida State University), G. W. Kirby (University of Glasgow), R. E. Moore (University of Hawaii), W. Steglich (Universität München), and Ch. Tamm (Universität Basel). Springer:  Wein, Germany. 1997. $219.00. ix + 358 pp. ISBN 3-211-82850-8. Robert S. Coleman p 6634 DOI: 10.1021/ja9756836

Issue 27

Highly Efficient Chemoenzymatic Synthesis of α-Galactosyl Epitopes with a Recombinant α(1→3)-Galactosyltransferase Jianwen Fang, Jun Li, Xi Chen, Yingnan Zhang, Jianqiang Wang, Zhengmao Guo, Wei Zhang, Libing Yu, Keith Brew, and Peng George Wang pp 6635–6638 DOI: 10.1021/ja9808898 Supporting Info

An Easy Entry to a New High-Symmetry, Large Molecular Framework for Molecular Recognition Studies and de Novo Protein Design. Solvent Modulation of the Spontaneous Formation of a Cyclic Monomer, Dimer, or Trimer from a Bis-cysteine Peptide Miriam Royo, Miquel Àngel Contreras, Ernest Giralt, Fernando Albericio, and Miquel Pons pp 6639–6650 DOI: 10.1021/ja9725514

Contribution of Linear Free Energy Relationships to Isozyme- and pH-Dependent Substrate Selectivity of Glutathione S-Transferases:  Comparison of Model Studies and Enzymatic Reactions Brenda S. Nieslanik and William M. Atkins pp 6651–6660 DOI: 10.1021/ja980816o

The Stereochemical Dichotomy in Palladium(0)- and Nickel(0)-Catalyzed Allylic Substitution Christopher N. Farthing and Pavel Koovský pp 6661–6672 DOI: 10.1021/ja980222l Supporting Info

Formation of Radical Anions in the Reaction of p-Benzoquinone and C60 with Alkoxide Ions Shunichi Fukuzumi, Ikuo Nakanishi, Junichi Maruta, Tomohiro Yorisue, Tomoyoshi Suenobu, Shinobu Itoh, Ryuichi Arakawa, and Karl M. Kadish pp 6673–6680 DOI: 10.1021/ja980615k

Isomer Specific Intercalation Chemistry:  Potassium Insertion into the D2 and D2d Isomers of C84 K. M. Allen, T. J. S. Dennis, M. J. Rosseinsky, and H. Shinohara pp 6681–6689 DOI: 10.1021/ja980616c Supporting Info

Silylcarbocyclizations of 1,6-Diynes Iwao Ojima, Jiawang Zhu, Ephraim S. Vidal, and Dora Fracchiolla Kass pp 6690–6697 DOI: 10.1021/ja980907l

Aldol Condensation of Trifluoroacetophenone and Acetone:  Testing a Prediction J. Peter Guthrie and Jonathan A. Barker pp 6698–6703 DOI: 10.1021/ja9808696 Supporting Info

Activation of Molecular Oxygen during the Reactions of Chromium(VI/V/IV) with Biological Reductants:  Implications for Chromium-Induced Genotoxicities1 Peter A. Lay and Aviva Levina pp 6704–6714 DOI: 10.1021/ja974240z Supporting Info

Migration Reaction of a Hypervalent Fragment: Base-Induced Migration of a Phosphorane Fragment from Iron to the Cyclopentadienyl Ring in Cp(CO)2Fe{P(OC6H4Y)(OC6H4Z)} (Y, Z = NMe, NH, O) Kazuyuki Kubo, Hiroshi Nakazawa, Kazumori Kawamura, Tsutomu Mizuta, and Katsuhiko Miyoshi pp 6715–6721 DOI: 10.1021/ja980146m Supporting Info

A Unique Barium−Carbon Bond:  Mechanism of Formation and Crystallographic Characterization Matthias Westerhausen, Matthias H. Digeser, Heinrich Nöth, Thomas Seifert, and Arno Pfitzner pp 6722–6725 DOI: 10.1021/ja980535g Supporting Info

Efficient Catalytic Phosphate Diester Cleavage by the Synergetic Action of Two Cu(II) Centers in a Dinuclear Cis-Diaqua Cu(II) Calix[4]arene Enzyme Model Peter Molenveld, Johan F. J. Engbersen, Huub Kooijman, Anthony L. Spek, and David N. Reinhoudt pp 6726–6737 DOI: 10.1021/ja9805324 Supporting Info

Novel Methods for CVD of Ge4C and (Ge4C)xSiy Diamond-like Semiconductor Heterostructures:  Synthetic Pathways and Structures of Trigermyl-(GeH3)3CH and Tetragermyl-(GeH3)4C Methanes J. Kouvetakis, Arne Haaland, Dmitry J. Shorokhov, Hans Vidar Volden, Georgii V. Girichev, Vasili I. Sokolov, and Phillip Matsunaga pp 6738–6744 DOI: 10.1021/ja9810033

Unsolvated Lanthanide Metallocene Cations [(C5Me5)2Ln][BPh4]:  Multiple Syntheses, Structural Characterization, and Reactivity Including the Formation of (C5Me5)3Nd1 William J. Evans, Christopher A. Seibel, and Joseph W. Ziller pp 6745–6752 DOI: 10.1021/ja980534o Supporting Info

Benzene Oxidation in the Troposphere. Theoretical Investigation on the Possible Competition of Three Postulated Reaction Channels Giovanni Ghigo and Glauco Tonachini pp 6753–6757 DOI: 10.1021/ja973956r Supporting Info

Evidence for Higher Reactivity of B2. Theoretical Studies of Insertions of B2 and B into Methane and Water Zhi-Xiang Wang and Ming-Bao Huang pp 6758–6760 DOI: 10.1021/ja9807136

Strong Dimerization of Ureidopyrimidones via Quadruple Hydrogen Bonding Felix H. Beijer, Rint P. Sijbesma, Huub Kooijman, Anthony L. Spek, and E. W. Meijer pp 6761–6769 DOI: 10.1021/ja974112a Supporting Info

Longitudinal Nuclear Relaxation in an A2 Spin System Initially Polarized through Para-Hydrogen S. Aime, R. Gobetto, and D. Canet pp 6770–6773 DOI: 10.1021/ja973240w

Molecular Structure of Tetracarbonyldihydroiron:  Microwave Measurements and Density Functional Theory Calculations Brian J. Drouin and Stephen G. Kukolich pp 6774–6780 DOI: 10.1021/ja9741584

Highly Efficient Solid-State Electrochemically Generated Chemiluminescence from Ester-Substituted Trisbipyridineruthenium(II)-Based Polymers C. Michael Elliott, François Pichot, Corey J. Bloom, and Lonn S. Rider pp 6781–6784 DOI: 10.1021/ja974347m

Internal Excitation in the Products of Nucleophilic Substitution from the Dissociation of Metastable Ion Complexes Susan T. Graul, Catherine J. Carpenter, John E. Bushnell, Petra A. M. van Koppen, and Michael T. Bowers pp 6785–6796 DOI: 10.1021/ja9730775 Supporting Info

Two-Dimensional ESEEM Spectroscopy of Nitrogen Hyperfine Couplings in Methemerythrin and Azidomethemerythrin Sergei A. Dikanov, Roman M. Davydov, Astrid Gräslund, and Michael K. Bowman pp 6797–6805 DOI: 10.1021/ja9742343

Production, Isolation, and Electronic Properties of Missing Fullerenes:  Ca@C72 and Ca@C74 Terence S. M. Wan and Hong-Wei ZhangTomoyasu Nakane, Zhude Xu, Masayasu Inakuma, and Hisanori ShinoharaKaoru Kobayashi and Shigeru Nagase pp 6806–6807 DOI: 10.1021/ja972478h Supporting Info

Highly Electrophilic [Re(CO)4(PR3)]+ Center Binds Et2O and CH2Cl2 and Heterolytically Activates H2 Jean Huhmann-Vincent, Brian L. Scott, and Gregory J. Kubas pp 6808–6809 DOI: 10.1021/ja980212k Supporting Info

Synthesis and Characterization of Spin-Delocalized Carboxylate-Bridged Cu(I)−Cu(II) Mixed-Valence Complexes Having Only Oxygen Donor Ligands Daniel D. LeCloux, Roman Davydov, and Stephen J. Lippard pp 6810–6811 DOI: 10.1021/ja9805021 Supporting Info

Chromium(0)−Carbene Complexes as Carbene Sources:  Self-Dimerization and Inter- and Intramolecular C−H Insertion Reactions Catalyzed by Pd(OAc)2 Miguel A. Sierra, María J. Mancheño, Elena Sáez, and Juan C. del Amo pp 6812–6813 DOI: 10.1021/ja9808494 Supporting Info

Spontaneous Hydrolysis of Glycosides Richard Wolfenden, Xiangdong Lu, and Gregory Young pp 6814–6815 DOI: 10.1021/ja9813055

Construction of a Borole Ligand from Coordinated Diene and B(C6F5)3 via Successive C−H Activation Steps:  A Case of Catalyst Self-Activation Gerardo Jiménez Pindado, Simon J. Lancaster, Mark Thornton-Pett, and Manfred Bochmann pp 6816–6817 DOI: 10.1021/ja981069y Supporting Info

A New Strategy for the Synthesis of Sphingosine Analogues. Sphingofungin F Barry M. Trost and Chul Bom Lee pp 6818–6819 DOI: 10.1021/ja981141s Supporting Info

Laser Photolysis of Iron(III) Tetraphenylporphyrin in Methanol. A Kinetic Study on the Formation of the Superoxide Anion Radical from the Dioxygen Adduct of Iron(II) Tetraphenylporphyrin Mikio Hoshino and Tomoya Baba pp 6820–6821 DOI: 10.1021/ja9806783

Azamacrocycle-Containing Gallium Phosphates:  A New Class of Inorganic−Organic Hybrid Material David S. Wragg, Gary B. Hix, and Russell E. Morris pp 6822–6823 DOI: 10.1021/ja9812305 Supporting Info

Determination of the Dihedral Angle ψ Based on J Coupling Measurements in 15N/13C-Labeled Proteins Maurizio Pellecchia, Roberto Fattorusso, and Gerhard Wider pp 6824–6825 DOI: 10.1021/ja980822k Supporting Info

A Useful Method for Preparing Iridium Alkoxides and a Study of Their Catalytic Decomposition by Iridium Cations:  A New Mode of β-Hydride Elimination for Coordinatively Saturated Metal Alkoxides Joachim C. M. Ritter and Robert G. Bergman pp 6826–6827 DOI: 10.1021/ja980672d Supporting Info

Synthesis and Structural Characterization of Late Transition Metal Parent Amido (LnM-NH2) Complexes: An Acid/Conjugate Base Metathesis Approach Anne W. Kaplan, Joachim C. M. Ritter, and Robert G. Bergman pp 6828–6829 DOI: 10.1021/ja980632+ Supporting Info

A New Class of Fluorinated Polymers by a Mild, Selective, and Quantitative Fluorination Yu Ren, Timothy P. Lodge, and Marc A. Hillmyer pp 6830–6831 DOI: 10.1021/ja981316y

Synthesis and Photocatalytic Activity of Lamellar Titanium Oxide Formed by Surfactant Bilayer Templating Hiroyuki Fujii, Michitaka Ohtaki, and Koichi Eguchi pp 6832–6833 DOI: 10.1021/ja980430d

Disilane-Catalyzed Cyclotrimerization of Acetylenes Jinchao Yang and John G. Verkade pp 6834–6835 DOI: 10.1021/ja980356z

Validation of Protein Structure from Anisotropic Carbonyl Chemical Shifts in a Dilute Liquid Crystalline Phase Gabriel Cornilescu, John L. Marquardt, Marcel Ottiger, and Ad Bax pp 6836–6837 DOI: 10.1021/ja9812610 Supporting Info

Palladium-Catalyzed Alkoxyallylation of Activated Olefins Hiroyuki Nakamura, Masaru Sekido, Masateru Ito, and Yoshinori Yamamoto pp 6838–6839 DOI: 10.1021/ja980959a Supporting Info

55Mn Pulsed ENDOR Demonstrates That the Photosystem II “Split” EPR Signal Arises from a Magnetically-Coupled Mangano−Tyrosyl Complex Jeffrey M. Peloquin, Kristy A. Campbell, and R. David Britt pp 6840–6841 DOI: 10.1021/ja981196u

On the Modes of Reaction of Xenon Difluoride with Organic Substrates:  The Influence of Solvent and Vessel Christopher A. Ramsden and Rachel G. Smith pp 6842–6843 DOI: 10.1021/ja9804316

Bromine-Catalyzed Aziridination of Olefins. A Rare Example of Atom-Transfer Redox Catalysis by a Main Group Element Jae Uk Jeong, Beata Tao, Ingo Sagasser, Hans Henniges, and K. Barry Sharpless pp 6844–6845 DOI: 10.1021/ja981419g Supporting Info

Synthesis of the First 2‘,6 Bridged Penams John D. Buynak, A. Srinivasa Rao, Greg Adam, Sirishkumar D. Nidamarthy, and Hongming Zhang pp 6846–6847 DOI: 10.1021/ja980195z Supporting Info

Partially Delocalized Allylic Lithium Compounds:  Dynamics of Inversion, 1,3 Li Shift and C, Li Bond Exchange, Influence of the Stereochemistry of Solvation J. Am. Chem. Soc. 1997, 119, 3571−3579 Gideon Fraenkel and Fayang Qiu p 6848 DOI: 10.1021/ja985511o

Novel Synthetic Route to Isolable Pentacoordinate 1,2-Oxaphosphetanes and Mechanism of Their Thermolysis, the Second Step of the Wittig Reaction J. Am. Chem. Soc. 1992, 114, 4008−4010 Takayuki Kawashima, Katsuhiro Kato, and Renji Okazaki p 6848 DOI: 10.1021/ja985512g

Polymeric Materials Encyclopedia Edited by Joseph C. Salamone. CRC Press:  Boca Raton, FL. 1996. ISBN 0-8493-2470-X. John G. Williams pp 6848–6849 DOI: 10.1021/ja985901a

Introduction to Analytical Gas Chromatography, Second Edition, Revised and Expanded. Chromatographic Science Series, Volume 76 By Raymond P. W. Scott (Georgetown University). Marcel Dekker:  New York. 1998. x + 397 pp. $125.00. ISBN 0-8247-0016-3. William E. Acree, Jr. p 6849 DOI: 10.1021/ja985602l

Advances in Lipobiology. Volume 2 By Richard W. Gross (Washington University School of Medicine). JAI Press:  Greenwich, CT, and London. 1997. xii + 355 pp. $109.50. ISBN 0-7623-0205-4. Alfred H. Merrill, Jr. pp 6849–6850 DOI: 10.1021/ja975686i

Genetic Engineering:  Principles and Methods. Vol. 19 Edited by Jane K. Setlow (Brookhaven National Laboratory). Plenum Press:  New York. 1997. xiv + 309 pp. $85.00. ISBN 0-306-45681-8 John W. Keller p 6850 DOI: 10.1021/ja975611e

Fuels and Chemicals from Biomass Edited by Badal C. Saha (U.S. Agricultural Research Service) and Jonathan Woodward (Oak Ridge National Laboratory). ACS Symposium Series 666. American Chemical Society:  Washington, DC. 1977. x + 356 pp. $119.95. ISBN 0-8412-3508-2. Michael L. Sinnott p 6850 DOI: 10.1021/ja975677+

Issue 28

Kinetic Analysis of a Protein Tyrosine Kinase Reaction Transition State in the Forward and Reverse Directions Kyonghee Kim and Philip A. Cole pp 6851–6858 DOI: 10.1021/ja9808393

Minor Groove Hydration of DNA in Solution:  Dependence on Base Composition and Sequence Haukur Jóhannesson and Bertil Halle pp 6859–6870 DOI: 10.1021/ja974316r

Study of a Vinylidenecarbene−Cycloalkyne Equilibrium in the D3-Trishomocubyl Ring System Alan P. Marchand, I. N. N. Namboothiri, Bishwajit Ganguly, and Simon G. Bott pp 6871–6876 DOI: 10.1021/ja974313e Supporting Info

Solution Structure of a Metallointercalator Bound Site Specifically to DNA Brian P. Hudson and Jacqueline K. Barton pp 6877–6888 DOI: 10.1021/ja974134x Supporting Info

Chemoenzymatic Synthesis of N-Ras Lipopeptides Edgar Nägele, Michael Schelhaas, Norman Kuder, and Herbert Waldmann pp 6889–6902 DOI: 10.1021/ja9805627 Supporting Info

Adamantane-Constrained Novel Cyclodepsipeptides: Crystal Structure and Self-Assembling Properties of Cyclo(Adm-Ser)2 and Cyclo(Adm-Ser-Xaa)2, Xaa = Val/Ser Isabella L. Karle, Darshan Ranganathan, and V. Haridas pp 6903–6908 DOI: 10.1021/ja981012b Supporting Info

Observations of the (1→3)-β-d-Glucan Linear Triple Helix to Macrocycle Interconversion Using Noncontact Atomic Force Microscopy Theresa M. McIntire and David A. Brant pp 6909–6919 DOI: 10.1021/ja981203e

Design of Brønsted Acid-Assisted Chiral Lewis Acid (BLA) Catalysts for Highly Enantioselective Diels−Alder Reactions Kazuaki Ishihara, Hideki Kurihara, Masayuki Matsumoto, and Hisashi Yamamoto pp 6920–6930 DOI: 10.1021/ja9810282

Disproportionation and Structural Changes of Tetraarylethylene Donors upon Successive Oxidation to Cation Radicals and to Dications R. Rathore, S. V. Lindeman, A. S. Kumar, and J. K. Kochi pp 6931–6939 DOI: 10.1021/ja981095w Supporting Info

Aluminum Incorporation and Interfacial Structures in MCM-41 Mesoporous Molecular Sieves M. T. Janicke, C. C. Landry, S. C. Christiansen, D. Kumar, G. D. Stucky, and B. F. Chmelka pp 6940–6951 DOI: 10.1021/ja972633s Supporting Info

Novel Mechanism for Interesting C−C Coupling and Cleavage Reactions and Control of Thermodynamic Stability Involving [L2M(μ-CCR)2ML2] and [L2M(μ-RCC-CCR)ML2] Complexes (M = Ti, Zr; L = η5-C5H5, Cl, H; R = H, F, CN):  A Theoretical Study1 Eluvathingal D. Jemmis and Kalathingal T. Giju pp 6952–6964 DOI: 10.1021/ja972710j Supporting Info

Mechanistic and Synthetic Studies of the Addition of Alkyl Aldehydes to Vinylsilanes Catalyzed by Co(I) Complexes Christian P. Lenges, Peter S. White, and Maurice Brookhart pp 6965–6979 DOI: 10.1021/ja980610n Supporting Info

Ionic Hydrogen Bonds in Bioenergetics. 3. Proton Transport in Membranes, Modeled by Ketone/Water Clusters Michael Meot-Ner (Mautner), Steve Scheiner, and Wa On Yu pp 6980–6990 DOI: 10.1021/ja971663s

Phosphatidylcholine Monolayer Structure at a Liquid−Liquid Interface Robert A. Walker, Julie A. Gruetzmacher, and Geraldine L. Richmond pp 6991–7003 DOI: 10.1021/ja980736k

Magnetic Relaxation Dispersion of 7Li:  Interaction with Mn(II) in the Aqueous Solvent Cage T. R. J. Dinesen, S. Wagner, and R. G. Bryant pp 7004–7009 DOI: 10.1021/ja972881o

Chiroptical Properties of the Cisoid Enone Chromophore Jadwiga Frelek, Wojciech J. Szczepek, Hans Peter Weiss, Guido J. Reiss, Walter Frank, Joachim Brechtel, Bernd Schultheis, and Hans-Georg Kuball pp 7010–7019 DOI: 10.1021/ja973076c Supporting Info

Double Nuclear Coherence Transfer (DONUT)-HYSCORE:  A New Tool for the Assignment of Nuclear Frequencies in Pulsed EPR Experiments D. Goldfarb, V. Kofman, J. Libman, A. Shanzer, R. Rahmatouline, S. Van Doorslaer, and A. Schweiger pp 7020–7029 DOI: 10.1021/ja973271r

Cyclodextrin as Carrier of Peptide Hormones. Conformational and Biological Properties of β-Cyclodextrin/Gastrin Constructs Norbert Schaschke, Stella Fiori, Elisabeth Weyher, Chantal Escrieut, Daniel Fourmy, Gerhard Müller, and Luis Moroder pp 7030–7038 DOI: 10.1021/ja973852g

Biopolymer Conformational Distributions from Solid-State NMR:  α-Helix and 310-Helix Contents of a Helical Peptide Henry W. Long and Robert Tycko pp 7039–7048 DOI: 10.1021/ja974277j

A Novel Electrostatic Approach to Substituent Constants:  Doubly Substituted Benzenes C. H. Suresh and Shridhar R. Gadre pp 7049–7055 DOI: 10.1021/ja973105j Supporting Info

Polarization-Corrected Electrostatic Potential for Probing Cation Binding Patterns of Molecules. 1. Saturated Hydrocarbons Shridhar R. Gadre and Subhash S. Pingale pp 7056–7062 DOI: 10.1021/ja971544c

Novel Pi−Ligand Exchange and Insertion Reactions Involving Three-Membered Phosphorus Heterocycles:  An ab Initio Investigation Theis I. Sølling, Mark A. McDonald, S. Bruce Wild, and Leo Radom pp 7063–7068 DOI: 10.1021/ja980494o Supporting Info

Assessment of a Combined QM/MM Approach for the Study of Large Nitroxide Systems in Vacuo and in Condensed Phases Vincenzo Barone, Alessandro Bencini, Maurizio Cossi, Andrea Di Matteo, Maurizio Mattesini, and Federico Totti pp 7069–7078 DOI: 10.1021/ja981079z

Ab Initio Calculations of the Effects of Geminal Silyl Substituents on the Stereomutation of Cyclopropane and on the Singlet−Triplet Splitting in Trimethylene Anne Skancke, David A. Hrovat, and Weston Thatcher Borden pp 7079–7084 DOI: 10.1021/ja980720u Supporting Info

Kinetics and Mechanism of Redox-Coupled, Long-Range Proton Transfer in an Iron−Sulfur Protein. Investigation by Fast-Scan Protein-Film Voltammetry Judy Hirst, Jillian L. C. Duff, Guy N. L. Jameson, Mary A. Kemper, Barbara K. Burgess, and Fraser A. Armstrong pp 7085–7094 DOI: 10.1021/ja980380c

Carbon-13 Spectral Editing in Solid-State NMR Using Heteronuclear Scalar Couplings Anne Lesage, Stefan Steuernagel, and Lyndon Emsley pp 7095–7100 DOI: 10.1021/ja981019t

Spontaneous, Millisecond Formation of a Twisted Amide from the Amino Acid, and the Crystal Structure of a Tetrahedral Intermediate Anthony J. Kirby, Igor V. Komarov, and Neil Feeder pp 7101–7102 DOI: 10.1021/ja980700s Supporting Info

Differential Binding of Iron(III) and Zinc(II) Protoporphyrin IX to Synthetic Four-Helix Bundles R. Eryl Sharp, James R. Diers, David F. Bocian, and P. Leslie Dutton pp 7103–7104 DOI: 10.1021/ja980432y Supporting Info

Reactivation of 3-Dehydroquinate Synthase by Lanthanide Cations Jonathan D. Moore, Murray A. Skinner, David R. Swatman, Alastair R. Hawkins, and Katherine A. Brown pp 7105–7106 DOI: 10.1021/ja974220x

Crystal Structure Change for the Thermochromy of N-Salicylideneanilines. The First Observation by X-ray Diffraction Keiichiro Ogawa, Yoshiro Kasahara, Yohko Ohtani, and Jun Harada pp 7107–7108 DOI: 10.1021/ja980972v Supporting Info

Model-Independent Analysis of 15N Chemical Shift Anisotropy from NMR Relaxation Data. Ubiquitin as a Test Example David Fushman and David Cowburn pp 7109–7110 DOI: 10.1021/ja980565j Supporting Info

A Metal-Assembled, pH-Dependent, Resorcinarene-Based Cage Molecule O. Danny Fox, N. Kent Dalley, and Roger G. Harrison pp 7111–7112 DOI: 10.1021/ja980150y Supporting Info

Resonance Assignments for Solid Peptides by Dipolar-Mediated 13C/15N Correlation Solid-State NMR Mei Hong and Robert G. Griffin pp 7113–7114 DOI: 10.1021/ja980775w

Electron Transfer in Organized Assemblies of Biomolecules. Construction and Dynamics of Avidin/Biotin Co-immobilized Glucose Oxidase/Ferrocene Monolayer Carbon Electrodes Nathalie Anicet, Agnès Anne, Jacques Moiroux, and Jean-Michel Savéant pp 7115–7116 DOI: 10.1021/ja9803097 Supporting Info

The Thermal Decomposition of Perfluoroesters Koichi Murata, Hajimu Kawa, and Richard J. Lagow pp 7117–7118 DOI: 10.1021/ja980727b Supporting Info

Metal-Mediated Generation, Stabilization, and Controlled Release of a Biologically Relevant, Simple Para Quinone Methide:  BHT-QM Oded Rabin, Arkadi Vigalok, and David Milstein pp 7119–7120 DOI: 10.1021/ja9809612 Supporting Info

Vibrational Mapping at the Mixed-Valence, Localized-to-Delocalized Transition Konstantinos D. Demadis, Gregory A. Neyhart, Edward M. Kober, and Thomas J. Meyer pp 7121–7122 DOI: 10.1021/ja980374g Supporting Info

Direct Monitoring of Cytosine Protonation in an Intramolecular DNA Triple Helix Dietmar Leitner, Werner Schröder, and Klaus Weisz pp 7123–7124 DOI: 10.1021/ja972694q Supporting Info

Ziegler−Natta-like Olefin Oligomerization by Alkylzirconocene Cations in an Electrospray Ionization Tandem Mass Spectrometer Derek Feichtinger, Dietmar A. Plattner, and Peter Chen pp 7125–7126 DOI: 10.1021/ja980004s

Bispheric Coordinative Structuring in a Zinc Finger Protein:  NMR Analysis of a Point Mutant of the Carboxy-Terminal LIM Domain of Quail Cysteine- and Glycine-Rich Protein CRP2 Robert Konrat, Ralf Weiskirchen, Klaus Bister, and Bernhard Kräutler pp 7127–7128 DOI: 10.1021/ja973599k

Sulfinyl Group as a Novel Chiral Auxiliary in Asymmetric Heck Reactions Nuria Díaz Buezo, Inés Alonso, and Juan C. Carretero pp 7129–7130 DOI: 10.1021/ja980858c Supporting Info

Biosynthesis of the Marine Cyanobacterial Metabolite Barbamide. 1. Origin of the Trichloromethyl Group Namthip Sitachitta, James Rossi, Mary Ann Roberts, William H. Gerwick, Matthew D. Fletcher, and Christine L. Willis pp 7131–7132 DOI: 10.1021/ja9811389 Supporting Info

Palladium-Mediated Carbon−Carbon Bond Forming Reactions as a New Method for the Synthesis of Peroxides and Hydroperoxides Patrick H. Dussault and C. Todd Eary pp 7133–7134 DOI: 10.1021/ja9808503 Supporting Info

Energetic Analysis of an Engineered Cation−π Interaction in Staphylococcal Nuclease Alice Y. Ting, Injae Shin, Claudia Lucero, and Peter G. Schultz pp 7135–7136 DOI: 10.1021/ja981520l

Assembly of Oligosaccharide Libraries with a Designed Building Block and an Efficient Orthogonal Protection−Deprotection Strategy Chi-Huey Wong, Xin-Shan Ye, and Zhiyuan Zhang pp 7137–7138 DOI: 10.1021/ja9813616 Supporting Info

Desymmetrization of Meso Epoxides with Halides:  A New Catalytic Reaction Based on Mechanistic Insight William A. Nugent pp 7139–7140 DOI: 10.1021/ja981031l Supporting Info

Anionic Saccharides Activate Liposomes Containing Phospholipids Bearing a Boronic Acid for Ca2+-Dependent Fusion Zhi-Yi Zhang and Bradley D. Smith pp 7141–7142 DOI: 10.1021/ja980856s Supporting Info

Iron-Based Catalysts with Exceptionally High Activities and Selectivities for Oligomerization of Ethylene to Linear α-Olefins Brooke L. Small and Maurice Brookhart pp 7143–7144 DOI: 10.1021/ja981317q Supporting Info

A Caged Protein Kinase Inhibitor Jason S. Wood, Mary Koszelak, Judy Liu, and David S. Lawrence pp 7145–7146 DOI: 10.1021/ja980960+ Supporting Info

Foundations of Modern Biochemistry, Vol. 2. Quantum Leaps in Biochemistry Edited by Margery G. Ord and Lloyd A. Stocken (Oxford University). JAI:  Greenwich, CT. 1996. x + 257 pp. $112.50. ISBN 0-7623-0077-9. Theodore S. Widlanski p 7147 DOI: 10.1021/ja9755875

Separation and Purification by Crystallization Edited by Gregory D. Botsaris (Tufts University) and Ken Toyokura (Waseda University). American Chemical Society:  Washington, DC. 1997. xii + 299 pp. ISBN 0-8412-3513-9. Kenneth M. Doxsee p 7147 DOI: 10.1021/ja975672c

Polymeric Multicomponent Materials:  An Introduction By L. H. Sperling (Lehigh University). Wiley/VCH:  New York. 1997. $59.95. xviii + 397 pp. ISBN 0-471-04138-6. Eli M. Pearce pp 7147–7148 DOI: 10.1021/ja975695r

Advances in Atomic Spectroscopy, Vol. 3 Edited by Joseph Sneddon (McNeese State University, Louisiana). JAI Press, Inc.:  Greenwich, CT. 1997. x + 227 pp. $109.50. ISBN 0-7623-0072-8. Ramon M. Barnes p 7148 DOI: 10.1021/ja9755368

Advances in Transition Metal Coordination Chemistry. Volume 1 Series Editor:  Chi-Ming Che. Volume Co-Editor:  Vivian W. W. Yam (The University of Hong Kong). JAI Press:  Greenwich, CT. 1996. xii + 293 pp. $109.50. ISBN 1-55938-335-6. Eric A. Maatta p 7148 DOI: 10.1021/ja975580n

Issue 29

Combined Locally Enhanced Sampling and Particle Mesh Ewald as a Strategy To Locate the Experimental Structure of a Nonhelical Nucleic Acid Carlos Simmerling, Jennifer L. Miller, and Peter A. Kollman pp 7149–7155 DOI: 10.1021/ja9727023

Deoxyribonucleoside 3‘-O-(2-Thio- and 2-Oxo-“spiro”-4,4-pentamethylene-1,3,2-oxathiaphospholane)s:  Monomers for Stereocontrolled Synthesis of Oligo(deoxyribonucleoside phosphorothioate)s and Chimeric PS/PO Oligonucleotides Wojciech J. Stec, Bolesław Karwowski, Małgorzata Boczkowska, Piotr Guga, Maria Koziołkiewicz, Marek Sochacki, Michał W. Wieczorek, and Jarosław Błaszczyk pp 7156–7167 DOI: 10.1021/ja973801j Supporting Info

Syntheses and Magnetic Properties of Stable Organic Triradicals with Quartet Ground States Consisting of Different Nitroxide Radicals Megumi Tanaka, Kenji Matsuda, Tetsuji Itoh, and Hiizu Iwamura pp 7168–7173 DOI: 10.1021/ja980817g Supporting Info

Ruthenium-Catalyzed Olefin Metathesis:  A Quantum Molecular Dynamics Study Olav M. Aagaard, Robert J. Meier, and Francesco Buda pp 7174–7182 DOI: 10.1021/ja974131k

Solution Structure of the Complex between the Head-to-Tail Dimer of Calicheamicin γ1I Oligosaccharide and a DNA Duplex Containing d(ACCT) and d(TCCT) High-Affinity Binding Sites Giuseppe Bifulco, Aldo Galeone, K. C. Nicolaou, Walter J. Chazin, and Luigi Gomez-Paloma pp 7183–7191 DOI: 10.1021/ja973910y Supporting Info

Theoretical Investigation of the Hydride Transfer from Formate to NAD+ and the Implications for the Catalytic Mechanism of Formate Dehydrogenase Birgit Schiøtt, Ya-Jun Zheng, and Thomas C. Bruice pp 7192–7200 DOI: 10.1021/ja9807338

Aggregation and Reactivity of Phenyllithium Solutions Hans J. Reich, D. Patrick Green, Marco A. Medina, Wayne S. Goldenberg, Birgir Ö. Gudmundsson, Robert R. Dykstra, and Nancy H. Phillips pp 7201–7210 DOI: 10.1021/ja980684z Supporting Info

The Complex Chemistry of Peroxynitrite Decomposition:  New Insights1 C. E. Richeson, P. Mulder, V. W. Bowry, and K. U. Ingold pp 7211–7219 DOI: 10.1021/ja980871x Supporting Info

Multistep Convergent Solution-Phase Combinatorial Synthesis and Deletion Synthesis Deconvolution Dale L. Boger, Wenying Chai, and Qing Jin pp 7220–7225 DOI: 10.1021/ja9803557 Supporting Info

Novel Solid-Phase Reagents for Facile Formation of Intramolecular Disulfide Bridges in Peptides under Mild Conditions1,2 Ioana Annis, Lin Chen, and George Barany pp 7226–7238 DOI: 10.1021/ja981111p Supporting Info

Unsupported Ti−Co and Zr−Co Bonds in Heterobimetallic Complexes:  A Theoretical Description of Metal−Metal Bond Polarity Georg Jansen, Martin Schubart, Bernd Findeis, Lutz H. Gade, Ian J. Scowen, and Mary McPartlin pp 7239–7251 DOI: 10.1021/ja974160v Supporting Info

Highly Efficient Catalysts in Directed Oxygen-Transfer Processes:  Synthesis, Structures of Novel Manganese-Containing Heteropolyanions, and Applications in Regioselective Epoxidation of Dienes with Hydrogen Peroxide Michael Bösing, Andreas Nöh, Ina Loose, and Bernt Krebs pp 7252–7259 DOI: 10.1021/ja974281v Supporting Info

Nitridomanganese(V) and -(VI) Complexes Containing Macrocyclic Amine Ligands Karsten Meyer, Jesper Bendix, Nils Metzler-Nolte, Thomas Weyhermüller, and Karl Wieghardt pp 7260–7270 DOI: 10.1021/ja980686j Supporting Info

Electrochemical Behavior and Characterization of Semiquinone Radical Anion Species of Coenzyme PQQ in Aprotic Organic Media Shinobu Itoh, Hirokatsu Kawakami, and Shunichi Fukuzumi pp 7271–7277 DOI: 10.1021/ja9813663 Supporting Info

Resonance Raman Studies of Hemoglobin with Selectively Deuterated Hemes. A New Perspective on the Controversial Assignment of the Fe−CO Bending Mode Cynthia Rajani and James R. Kincaid pp 7278–7285 DOI: 10.1021/ja981280+

Time-Resolved Spectroscopic Studies of B12 Coenzymes:  The Photolysis and Geminate Recombination of Adenosylcobalamin Larry A. Walker II, Joseph J. Shiang, Neil A. Anderson, Stuart H. Pullen, and Roseanne J. Sension pp 7286–7292 DOI: 10.1021/ja981029u

Formation of Grignard Species from the Reaction of Methyl Halides with Laser-Ablated Magnesium Atoms. A Matrix Infrared Study of CH3MgF, CH3MgCl, CH3MgBr, and CH3MgI William D. Bare and Lester Andrews pp 7293–7301 DOI: 10.1021/ja980806n

Structures of b and a Product Ions from the Fragmentation of Argentinated Peptides Vicky W.-M. Lee, Hongbo Li, Tai-Chu Lau, and K. W. Michael Siu pp 7302–7309 DOI: 10.1021/ja9808245

van der Waals Complexes between Carbonyl Fluoride and Boron Trifluoride Observed in Liquefied Argon, Krypton, and Nitrogen:  A FTIR and ab Initio Study A. A. Stolov, W. A. Herrebout, and B. J. van der Veken pp 7310–7319 DOI: 10.1021/ja980874+

β-Donor Interactions of Exceptional Strength in N,N-Dimethylhydroxylaminochlorosilane, ClH2SiONMe2 Norbert W. Mitzel and Udo Losehand pp 7320–7327 DOI: 10.1021/ja980933j Supporting Info

Molecular Recognition on Functionalized Self-Assembled Monolayers of Alkanethiols on Gold Kianoush Motesharei and David C. Myles pp 7328–7336 DOI: 10.1021/ja973166h

Structural Study of xNa2S + (1 − x)B2S3 Glasses and Polycrystals by Multiple-Quantum MAS NMR of 11B and 23Na S.-J. Hwang, C. Fernandez, J. P. Amoureux, J.-W. Han, J. Cho, S. W. Martin, and M. Pruski pp 7337–7346 DOI: 10.1021/ja9800481

Nanosecond Protein Dynamics:  First Detection of a Neutron Incoherent Spin−Echo Signal Marie-Claire Bellissent-Funel, Roy Daniel, Dominique Durand, Michel Ferrand, John L. Finney, Stéphanie Pouget, Valérie Réat, and Jeremy C. Smith pp 7347–7348 DOI: 10.1021/ja981329b

Ca5In9Sn6:  Interplay of Structural and Electronic Factors between Intermetallic and Zintl Phases Zhihong Xu and Arnold M. Guloy pp 7349–7350 DOI: 10.1021/ja980398n Supporting Info

Intrazeolite Photochemistry. 21. 2,4,6-Triphenylpyrylium Encapsulated inside Zeolite Y Supercages as Heterogeneous Photocatalyst for the Generation of Hydroxyl Radical Ana Sanjuán, Mercedes Alvaro, Guillermo Aguirre, Hermenegildo García, and J. C. Scaiano pp 7351–7352 DOI: 10.1021/ja980121n

Generation of Chirality in Guest Aromatic Ketones Included in the Crystals of Steroidal Bile Acids Maria Gdaniec and Tadeusz Połoński pp 7353–7354 DOI: 10.1021/ja9807441 Supporting Info

Poly(Amidoamine) Dendrimer-Templated Nanocomposites. 1. Synthesis of Zerovalent Copper Nanoclusters Lajos Balogh and Donald A. Tomalia pp 7355–7356 DOI: 10.1021/ja980861w Supporting Info

Synthesis of (1R,2R,3R,7R,7aR)-Hexahydro-3-(Hydroxymethyl)-1H-pyrrolizine-1,2,7-triol:  7-Epiaustraline Scott E. Denmark and B. Herbert pp 7357–7358 DOI: 10.1021/ja980705p Supporting Info

Tandem Ring-Closing Metathesis Transannular Cyclization as a Route to Hydroxylated Pyrrolizidines. Asymmetric Synthesis of (+)-Australine James D. White, Peter Hrnciar, and Alexandre F. T. Yokochi pp 7359–7360 DOI: 10.1021/ja9811400 Supporting Info

Control of Interlayer Microstructures of a Layered Silicate by Surface Modification with Organochlorosilanes Makoto OgawaShinobu Okutomo and Kazuyuki Kuroda pp 7361–7362 DOI: 10.1021/ja981055s

Kinetic and Structural Factors Governing Chiral Recognition in Cobalt(III) Chiroporphyrin−Amino Alcohol Complexes Jean-Pierre Simonato, Jacques Pécaut, and Jean-Claude Marchon pp 7363–7364 DOI: 10.1021/ja980644v Supporting Info

Nanoscale Cages of Manganese and Nickel with “Rock Salt” Cores Euan K. Brechin, William Clegg, Mark Murrie, Simon Parsons, Simon J. Teat, and Richard E. P. Winpenny pp 7365–7366 DOI: 10.1021/ja981011j Supporting Info

Synthesis and Characterization of End-Grafted Polysilane on a Substrate Surface Keisuke Ebata, Kazuaki Furukawa, and Nobuo Matsumoto pp 7367–7368 DOI: 10.1021/ja980802i

Sterically Hindered Chelating Alkyl Phosphines Provide Large Rate Accelerations in Palladium-Catalyzed Amination of Aryl Iodides, Bromides, and Chlorides, and the First Amination of Aryl Tosylates Blake C. Hamann and John F. Hartwig pp 7369–7370 DOI: 10.1021/ja981318i Supporting Info

Direct Electrochemistry of Cofactor Redox Sites in a Bacterial Photosynthetic Reaction Center Protein Jilie Kong, Zhongqing Lu, Yuri M. Lvov, Ruel Z. B. Desamero, Harry A. Frank, and James F. Rusling pp 7371–7372 DOI: 10.1021/ja981521d

Product Analysis of GG-Specific Photooxidation of DNA via Electron Transfer:  2-Aminoimidazolone as a Major Guanine Oxidation Product Katsuhito Kino and Isao SaitoHiroshi Sugiyama pp 7373–7374 DOI: 10.1021/ja980763a Supporting Info

Oxidation of Zinc Finger Cysteines to Thiolsulfinate Yin Xu and Dean E. Wilcox pp 7375–7376 DOI: 10.1021/ja974051g

Evidence for a Retro-Diels−Alder Reaction on a Single Crystalline Surface:  Butadienes on Ge(100) Andrew V. Teplyakov, Pratik Lal, Yétundé A. Noah, and Stacey F. Bent pp 7377–7378 DOI: 10.1021/ja980243f Supporting Info

Chemical Control of Ferroelectric Neutral-Ionic Transition in Charge-Transfer Complexes, TTF1-xTSFxQCl4 [TTF = Tetrathiafulvalene; TSF = Tetraselenafulvalene; QCl4 = p-Chloranil] Sachio Horiuchi and Reiji KumaiYoshinori Tokura pp 7379–7380 DOI: 10.1021/ja981327r

Time-Resolved Surface-Enhanced Resonance Raman Spectroscopy for Studying Electron-Transfer Dynamics of Heme Proteins Sophie Lecomte, Hainer Wackerbarth, Tewfik Soulimane, Gerhard Buse, and Peter Hildebrandt pp 7381–7382 DOI: 10.1021/ja981130z

The Oxime Functionality:  A Versatile Tool for Supramolecular Assembly of Metal-Containing Hydrogen-Bonded Architectures Christer B. Aakeröy, Alicia M. Beatty, and Destin S. Leinen pp 7383–7384 DOI: 10.1021/ja980759z Supporting Info

Simultaneous Measurement of 1H−15N, 1H−13C‘, and 15N−13C‘ Dipolar Couplings in a Perdeuterated 30 kDa Protein Dissolved in a Dilute Liquid Crystalline Phase Yun-Xing Wang, John L. Marquardt, Paul Wingfield, Stephen J. Stahl, Sylvia Lee-Huang, Dennis Torchia, and Ad Bax pp 7385–7386 DOI: 10.1021/ja980862o Supporting Info

Gas-Phase Chiral Differentiation of Amino Acid Guests in Cyclodextrin Hosts Javier Ramirez, Fei He, and Carlito B. Lebrilla pp 7387–7388 DOI: 10.1021/ja9812251

Self-Assembled Molecular Capsule Catalyzes a Diels−Alder Reaction Jongmin Kang, Javier Santamaría, Göran Hilmersson, and Julius Rebek, Jr. pp 7389–7390 DOI: 10.1021/ja980927n

Stereocontrolled Syntheses of Substituted Tetrahydrofurans via SN‘ O-Cyclization Pan Li, Tao Wang, Thomas Emge, and Kang Zhao pp 7391–7392 DOI: 10.1021/ja981414j Supporting Info

Substitution of the Side-Chain-Constrained Amino Acids β-Methyl-2‘,6‘-Dimethyl-4‘-Methoxytyrosine in Position 2 of a Bicyclic Oxytocin Analogue Provides Unique Insights into the Bioactive Topography of Oxytocin Antagonists Subo Liao, Mark D. Shenderovich, Zhigang Zhang, Lenka Maletinska, Jirina Slaninova, and Victor J. Hruby pp 7393–7394 DOI: 10.1021/ja980848b Supporting Info

Structure of the Michaelis Complex of an Efficient Antibody Acyl Transferase Determined by Transferred Nuclear Overhauser Enhancement Spectroscopy Edward M. Driggers, Corey W. Liu, David E. Wemmer, and Peter G. Schultz pp 7395–7396 DOI: 10.1021/ja9813313 Supporting Info

Search for a General Route to Metallaboranes via the Reaction of Monocyclopentadienyl Metal Chlorides with Monoborane. Synthesis and Reactivity of the Rhodaborane nido-1-Cl-2,3-{(η5-C5Me5)Rh}2B3H6 J. Am. Chem. Soc. 1998, 120, 2686−2687 Xinjian Lei, Maoyu Shang, and Thomas P. Fehlner p 7397 DOI: 10.1021/ja9855139

Comprehensive Organic Transformations on CD-ROM. A Guide to Functional Group Preparations By Richard Larock (Iowa State University). John Wiley & Sons, 1 Wiley Dr., Somerset, NJ. Phone:  1-800-225-5945. E-mail:  custserv@ wiley.com. List price $125.00. (For comparison the book, Comprehensive Organic Transformations, lists for $ 84.50.) ISBN 0-471-18649-X. Scott Rychnovsky pp 7397–7398 DOI: 10.1021/ja975912o

Nonionic Surfactants:  Organic Chemistry. Surfactant Science Series. Volume 72 Edited by Nico M. Van Os (Shell International Chemicals B.V.). Marcel Dekker, Inc.:  New York, Basel, Hong Kong. 1998. xiv + 291 pp. $145.00. ISBN 0-8247-9997-6 Ray von Wandruszka p 7398 DOI: 10.1021/ja975700r

Bioinorganic Chemistry:  Trace Element Evolution from Anaerobes to Aerobes. Structure and Bonding Series, #91 Edited by R. J. P. Williams. Springer:  Heidelberg. 1988. 207 pp. ISBN 3-540-63548-3. B. Bosnich p 7398 DOI: 10.1021/ja9856147

Issue 30

Spontaneous Cleavage of 4‘-DNA Radicals under Aerobic Conditions:  Apparent Discrepancy between Trapping Rates and Cleavage Products Adrian Dussy, Eric Meggers, and Bernd Giese pp 7399–7403 DOI: 10.1021/ja980036f

Specific Azidophenyldiazene Hemoprotein Active Site Probes. Cross-Linking of the Heme to His-64 in Myoglobin Richard A. Tschirret-Guth, Katalin F. Medzihradszky, and Paul R. Ortiz de Montellano pp 7404–7410 DOI: 10.1021/ja980978k

Enantioselective Total Synthesis of (−)-Chlorothricolide via the Tandem Inter- and Intramolecular Diels−Alder Reaction of a Hexaenoate Intermediate William R. Roush and Richard J. Sciotti pp 7411–7419 DOI: 10.1021/ja980611f Supporting Info

Incorporation of Achiral Peptoid-Based Trimeric Sequences into Collagen Mimetics Elizabeth A. Jefferson, Elsa Locardi, and Murray Goodman pp 7420–7428 DOI: 10.1021/ja9810134

Stereoselective Alkylations in Rigid Systems. Effect of Remote Substituents on π-Facial Additions to Lactam Enolates. Stereoelectronic and Steric Effects A. I. Meyers, Mark A. Seefeld, Bruce A. Lefker, James F. Blake, and Paul G. Williard pp 7429–7438 DOI: 10.1021/ja980614s Supporting Info

Synthesis, Conformational Properties, and Immunogenicity of a Cyclic Template-Bound Peptide Mimetic Containing an NPNA Motif from the Circumsporozoite Protein of Plasmodium falciparum Christian Bisang, Luyong Jiang, Ernst Freund, Fabienne Emery, Christian Bauch, Hugues Matile, Gerd Pluschke, and John A. Robinson pp 7439–7449 DOI: 10.1021/ja980444j

Characterization of Zn(II)·Deglycobleomycin A2 and Interaction with d(CGCTAGCG)2:  Direct Evidence for Minor Groove Binding of the Bithiazole Moiety Steven J. Sucheck, Jeffrey F. Ellena, and Sidney M. Hecht pp 7450–7460 DOI: 10.1021/ja9801801 Supporting Info

Kinetics of the Reactions of Methoxybenzylidene Meldrum's Acid with Thiolate Ions, Alkoxide Ions, OH-, and Water in Aqueous DMSO. Detection and Kinetic Characterization of the SNV Intermediate Claude F. Bernasconi, Rodney J. Ketner, Xin Chen, and Zvi Rappoport pp 7461–7468 DOI: 10.1021/ja9743102 Supporting Info

8-Endo Cyclization of (Alkoxycarbonyl)methyl Radicals:  Radical Ways for Preparation of Eight-Membered-Ring Lactones Eun Lee, Cheol Hwan Yoon, Tae Hee Lee, Sun Young Kim, Tae Joon Ha, Yong-suk Sung, Sang-Hyun Park, and Sangyoub Lee pp 7469–7478 DOI: 10.1021/ja980908d

Nucleophilic Catalysis with π-Bound Nitrogen Heterocycles:  Synthesis of the First Ruthenium Catalysts and Comparison of the Reactivity and the Enantioselectivity of Ruthenium and Iron Complexes Christine E. Garrett and Gregory C. Fu pp 7479–7483 DOI: 10.1021/ja981061o Supporting Info

Activation of Arylnitroso Substrates on a Platinum−Germylene Complex Facilitating the Formation of New N−C and N−S Bonds Kyle E. Litz, Jeffrey W. Kampf, and Mark M. Banaszak Holl pp 7484–7492 DOI: 10.1021/ja980888f Supporting Info

Mechanisms of Iron Porphyrin Reactions with Peroxynitrite Jinbo Lee, Julianne A. Hunt, and John T. Groves pp 7493–7501 DOI: 10.1021/ja980507y

Spectroscopic, Redox, and Structural Characterization of the Ni-Labile and Nonlabile Forms of the Acetyl-CoA Synthase Active Site of Carbon Monoxide Dehydrogenase William K. Russell, Christina M. V. Stålhandske, Jinqiang Xia, Robert A. Scott, and Paul A. Lindahl pp 7502–7510 DOI: 10.1021/ja981165z

Metal-Induced Self-Assembly of a Pyrene-Tethered Hydroxamate Ligand for the Generation of Multichromophoric Supramolecular Systems. The Pyrene Excimer as Switch for Iron(III)-Driven Intramolecular Fluorescence Quenching Bruno Bodenant, Frédéric Fages, and Marie-Hélène Delville pp 7511–7519 DOI: 10.1021/ja980368k

Site-Directed Incorporation of p-Nitrophenylalanine into Streptavidin and Site-to-Site Photoinduced Electron Transfer from a Pyrenyl Group to a Nitrophenyl Group on the Protein Framework Hiroshi Murakami, Takahiro Hohsaka, Yuki Ashizuka, and Masahiko Sisido pp 7520–7529 DOI: 10.1021/ja971890u Supporting Info

Theoretical Calculations on the Wittig Reaction Revisited Hiroshi Yamataka and Shigeru Nagase pp 7530–7536 DOI: 10.1021/ja974237f Supporting Info

Conformational Equilibria of β-Alanine and Related Compounds as Studied by NMR Spectroscopy Françoise Gregoire, Sindy H. Wei, Erik W. Streed, Kenneth A. Brameld, Diana Fort, Linda J. Hanely, Jamie D. Walls, William A. Goddard, and John D. Roberts pp 7537–7543 DOI: 10.1021/ja974311u

Photochemical Activation of CO2 on RhI(CO)2/Al2O3−CO2 Dissociation and Oxygen Atom Exchange Edward A. Wovchko and John T. Yates, Jr. pp 7544–7550 DOI: 10.1021/ja9804114

Electron Transfer in Ruthenium-Modified Plastocyanin Angel J. Di Bilio, Christopher Dennison, Harry B. Gray, Benjamin E. Ramirez, A. Geoffrey Sykes, and Jay R. Winkler pp 7551–7556 DOI: 10.1021/ja972625b Supporting Info

Designing an Optimum Guest for a Host Using Multimolecule Free Energy Calculations:  Predicting the Best Ligand for Rebek's “Tennis Ball” Jed Pitera and Peter Kollman pp 7557–7567 DOI: 10.1021/ja973028s

Ab Initio Study of the Triple-Proton-Transfer Reactions of Ground and Excited States of 7-Hydroxyquinoline in Methanol Solution Wei-Hai Fang pp 7568–7576 DOI: 10.1021/ja973710m Supporting Info

Cluster-Assisted Thermal Energy Activation of the H−H σ Bond in H2 by Ground State B+(1S0) Ions:  Overcoming a 77 kcal/mol Barrier Paul R. Kemper, John E. Bushnell, Patrick Weis, and Michael T. Bowers pp 7577–7584 DOI: 10.1021/ja9739751

Sigma Bond Activation by Cooperative Interaction with ns2 Atoms:  B+ + nH2 Stephanie B. Sharp and Gregory I. Gellene pp 7585–7593 DOI: 10.1021/ja980089x Supporting Info

Direct Dynamics Study of the Dissociation and Elimination Channels in the Thermal Decomposition of Methyl Nitrite Antonio Fernández-Ramos, Emilio Martínez-Núñez, Miguel A. Ríos, Jesús Rodríguez-Otero, Saulo A. Vázquez, and Carlos M. Estévez pp 7594–7601 DOI: 10.1021/ja9809307

Surface-Induced Transformations for Surfactant Aggregates Reuben E. Lamont and William A. Ducker pp 7602–7607 DOI: 10.1021/ja9742895

Conformation of Highly-Charged Gas-Phase Lysozyme Revealed by Energetic Surface Imprinting C. T. Reimann, P. A. Sullivan, J. Axelsson, A. P. Quist, S. Altmann, P. Roepstorff, I. Velázquez, and O. Tapia pp 7608–7616 DOI: 10.1021/ja980178+

An NMR Experiment for Measuring Methyl−Methyl NOEs in 13C-Labeled Proteins with High Resolution Catherine Zwahlen, Kevin H. Gardner, Siddhartha P. Sarma, David A. Horita, R. Andrew Byrd, and Lewis E. Kay pp 7617–7625 DOI: 10.1021/ja981205z

Charge and Mass Balance in Polyelectrolyte Multilayers Joseph B. Schlenoff, Hiep Ly, and Ming Li pp 7626–7634 DOI: 10.1021/ja980350+ Supporting Info

Reversible 1,2-Migration of Hydrogen between Platinum and Silicon via Intermediate Silylene Complexes Gregory P. Mitchell and T. Don Tilley pp 7635–7636 DOI: 10.1021/ja9808346 Supporting Info

Synthesis and Application of the First Chiral and Highly Lewis Acidic Silyl Cationic Catalyst Mogens Johannsen, Karl Anker Jørgensen, and Günter Helmchen pp 7637–7638 DOI: 10.1021/ja981021k Supporting Info

Commensurate Columnar Composite Compounds:  Synthesis and Structure of Ba15Zr14Se42 and Sr21Ti19Se57 Louis J. Tranchitella, James C. Fettinger, Peter K. Dorhout, Pamela M. Van Calcar, and Bryan W. Eichhorn pp 7639–7640 DOI: 10.1021/ja972442p Supporting Info

Correlation of Calculated Activation Energies with Experimental Rate Constants for an Enzyme Catalyzed Aromatic Hydroxylation Lars Ridder, Adrian J. Mulholland, Jacques Vervoort, and Ivonne M. C. M. Rietjens pp 7641–7642 DOI: 10.1021/ja980639r Supporting Info

Self-Assembly of Regioregular, Amphiphilic Polythiophenes into Highly Ordered π-Stacked Conjugated Polymer Thin Films and Nanocircuits Thomas Bjørnholm, Daniel R. Greve, Niels Reitzel, Tue Hassenkam, Kristian Kjaer, Paul B. Howes, Niels B. Larsen, Jesper Bøgelund, Manikandan Jayaraman, Paul C. Ewbank, and Richard D. McCullough pp 7643–7644 DOI: 10.1021/ja981077e Supporting Info

pH-Gated Single-Electron Tunneling in Chemically Modified Gold Nanoclusters Louis C. Brousseau, III, Qi Zhao, David A. Shultz, and Daniel L. Feldheim pp 7645–7646 DOI: 10.1021/ja981262s Supporting Info

Total Synthesis of Pinnatoxin A John A. McCauley, Kazuo Nagasawa, Peter A. Lander, Steven G. Mischke, Marcus A. Semones, and Yoshito Kishi pp 7647–7648 DOI: 10.1021/ja981257o Supporting Info

Ni-Catalyzed Asymmetric Addition of Grignard Reagents to Unsaturated Cyclic Acetals. The Influence of Added Phosphine on Enantioselectivity Enrique Gomez-Bengoa, Nicola M. Heron, Mary T. Didiuk, Courtney A. Luchaco, and Amir H. Hoveyda pp 7649–7650 DOI: 10.1021/ja980499l Supporting Info

Synthesis of Nonsubstituted Anilines from Molecular Nitrogen via Transmetalation of Arylpalladium Complex with Titanium−Nitrogen Fixation Complexes Katsutoshi Hori and Miwako Mori pp 7651–7652 DOI: 10.1021/ja981465g Supporting Info

Enantiocontrol in the Generation and Diastereoselective Reactions of Catalytically Generated Oxonium and Iodonium Ylides. Metal-Stabilized Ylides as Reaction Intermediates Michael P. Doyle, David C. Forbes, Melissa M. Vasbinder, and Chad S. Peterson pp 7653–7654 DOI: 10.1021/ja972095j Supporting Info

C-Terminal PEG Blocks the Irreversible Step in β-Amyloid(10-35) Fibrillogenesis Timothy S. Burkoth, Tammie L. S. Benzinger, David N. M. Jones, Klaas Hallenga, Stephen C. Meredith, and David G. Lynn pp 7655–7656 DOI: 10.1021/ja980566b Supporting Info

Sulfur-Atom Transfer from Elemental Sulfur to Nickel−Carbon Bonds as a New Route to Reactive Nickel(II) Thiolates Runyu Han and Gregory L. Hillhouse pp 7657–7658 DOI: 10.1021/ja981266x Supporting Info

Significant Effects of Nonconjugated Remote Substituents in Catalytic Asymmetric Epoxidation Dan Yang, Yiu-Chung Yip, Jian Chen, and Kung-Kai Cheung pp 7659–7660 DOI: 10.1021/ja980435a Supporting Info

Caged Catalytic Subunit of cAMP-Dependent Protein Kinase Chung-yu Chang, Tania Fernandez, Rekha Panchal, and Hagan Bayley pp 7661–7662 DOI: 10.1021/ja981649v

Chemistry, Structure, and Bonding of Zintl Phases and Ions Edited by Susan M. Kauzlarich (University of CaliforniaDavis). VCH Publishers, Inc.:  New York, Weinheim and Cambridge. 1996. $ 125.00. xxx + 306 pp. ISBN 1-56081-900-6. Arnold M. Guloy p 7663 DOI: 10.1021/ja975694z

An in-Fluorosilaphane:  The Largest in-Functional Group Is a Uniquely Encapsulated Fluorine Atom J. Am. Chem. Soc. 1998, 120, 6421−6422 Steven Dell, Nancy J. Vogelaar, Douglas M. Ho, and Robert A. Pascal, Jr. p 7663 DOI: 10.1021/ja985515t

Relativistic Effects in Chemistry Part A:  Theory and Techniques By Krishnan Balasubramanian (Arizona State University). Wiley Interscience:  New York. 1997. xiii + 301 pp. $145.00 (paperback $84.95). ISBN 0-471-30400-X. Walter C. Ermler pp 7663–7664 DOI: 10.1021/ja975644u

HPLC and CE:  Principles and Practice By Andrea Weston (Dionex) and Phyllis R. Brown (University of Rhode Island). Academic Press:  San Diego. 1997. xiv + 280 pp. $69.95. ISBN 0-12-136640-5. John Nikelly p 7664 DOI: 10.1021/ja9756275

Issue 31

Stereochemical and Isotopic Labeling Studies of 2-Oxo-hept-4-ene-1,7-dioate Hydratase:  Evidence for an Enzyme-Catalyzed Ketonization Step in the Hydration Reaction Elizabeth A. Burks, William H. Johnson Jr., and Christian P. Whitman pp 7665–7675 DOI: 10.1021/ja9808402

T Cells Recognize a Glycopeptide Derived from Type II Collagen in a Model for Rheumatoid Arthritis Johan Broddefalk, Johan Bäcklund, Fredrik Almqvist, Martin Johansson, Rikard Holmdahl, and Jan Kihlberg pp 7676–7683 DOI: 10.1021/ja980489k Supporting Info

Rational Design of a New Hammerhead Ribozyme Configuration:  Lariat Hammerhead Ribozymes as Improved Antisense Therapeutics Laixin Wang and Duane E. Ruffner pp 7684–7690 DOI: 10.1021/ja980796q

Ordered Dendritic Nanorods with a Poly(p-phenylene) Backbone Wolfgang Stocker, Birol Karakaya, Britta L. Schürmann, Jürgen P. Rabe, and A. Dieter Schlüter pp 7691–7695 DOI: 10.1021/ja980151q

Luminescent Homoatomic Exciplexes in Dicyanoargentate(I) Ions Doped in Alkali Halide Crystals. 1. “Exciplex Tuning” by Site-Selective Excitation Mohammad A. Omary and Howard H. Patterson pp 7696–7705 DOI: 10.1021/ja980256t Supporting Info

Synthesis and Screening of Linear and Cyclic Oligocarbamate Libraries. Discovery of High Affinity Ligands for GPIIb/IIIa Charles Y. Cho, R. Scott Youngquist, Sari J. Paikoff, Maureen H. Beresini, Andrea R. Hebert, Lea T. Berleau, Corey W. Liu, David E. Wemmer, Thomas Keough, and Peter G. Schultz pp 7706–7718 DOI: 10.1021/ja9734399 Supporting Info

Hypersensitive Mechanistic Probe Studies of Cytochrome P450-Catalyzed Hydroxylation Reactions. Implications for the Cationic Pathway Patrick H. Toy, Martin Newcomb, and Paul F. Hollenberg pp 7719–7729 DOI: 10.1021/ja981157i Supporting Info

Structure of Dihydrofolate When Bound to Dihydrofolate Reductase Hua Deng and Robert Callender pp 7730–7737 DOI: 10.1021/ja9814974

Absolute Kinetics of Amidyl Radical Reactions John H. Horner, Osama M. Musa, Anne Bouvier, and Martin Newcomb pp 7738–7748 DOI: 10.1021/ja981244a Supporting Info

Engineered Biosynthesis of Novel Polyketides from Streptomyces Spore Pigment Polyketide Synthases Tin-Wein Yu, Yuemao Shen, Robert McDaniel, Heinz G. Floss, Chaitan Khosla, David A. Hopwood, and Bradley S. Moore pp 7749–7759 DOI: 10.1021/ja9803658 Supporting Info

Exploration of Modalities in Building α-O-Linked Systems through Glycal Assembly:  A Total Synthesis of the Mucin-Related F1α Antigen Xiao-Tao Chen, Dalibor Sames, and Samuel J. Danishefsky pp 7760–7769 DOI: 10.1021/ja980724z

A DFT Investigation of Ethylene Dimerization Catalyzed by Ni(0) Complexes Fernando Bernardi, Andrea Bottoni, and Ivan Rossi pp 7770–7775 DOI: 10.1021/ja980604r

Surface Infrared Studies of Silicon/Silicon Oxide Interfaces Derived from Hydridosilsesquioxane Clusters J. N. Greeley, L. M. Meeuwenberg, and M. M. Banaszak Holl pp 7776–7782 DOI: 10.1021/ja980741o

Structural Investigations of Vapochromic Behavior. X-ray Single-Crystal and Powder Diffraction Studies of [Pt(CN-iso-C3H7)4][M(CN)4] for M = Pt or Pd Carrie E. Buss, Carolyn E. Anderson, Marie K. Pomije, Christopher M. Lutz, Doyle Britton, and Kent R. Mann pp 7783–7790 DOI: 10.1021/ja981218c Supporting Info

Tantalum Borollide Trichloride:  A Versatile Entry into Tantalum Borollide Complexes Caroline K. Sperry, W. Donald Cotter, Rip A. Lee, Rene J. Lachicotte, and Guillermo C. Bazan pp 7791–7805 DOI: 10.1021/ja9741887 Supporting Info

Thermodynamics of Phosphine Coordination to the [PNP]RhI Fragment:  An Example of the Importance of Reorganization Energies in the Assessment of Metal−Ligand “Bond Strengths” Jinkun Huang, Christopher M. Haar, Steven P. Nolan, William J. Marshall, and Kenneth G. Moloy pp 7806–7815 DOI: 10.1021/ja974200v Supporting Info

Intermetallic Lithium−Magnesium Hexamethyldisilazide:  Synthesis and Structure, Discovery of an Oxygen-Centered Variant, and a Reaction with Benzonitrile That Produces a Novel Amidinate Cage Compound with a Trigonal Bipyramidal Li4MgO Core Alan R. Kennedy, Robert E. Mulvey, and René B. Rowlings pp 7816–7824 DOI: 10.1021/ja980561e Supporting Info

Cycloaddition and Nucleophilic Substitution Reactions of the Monomeric Titanocene Sulfido Complex (η5-C5Me5)2(C5H5N)TiS Zachary K. Sweeney, Jennifer L. Polse, Richard A. Andersen, and Robert G. Bergman pp 7825–7834 DOI: 10.1021/ja980877m Supporting Info

Dearomatization of Naphthalene:  Stereoselective cis-1,4 Tandem Additions Promoted by Osmium(II) Mark D. Winemiller and W. Dean Harman pp 7835–7840 DOI: 10.1021/ja980624t Supporting Info

Investigation of the Reactive Oxygen Intermediate in an Arene Hydroxylation Reaction Performed by Xylyl-Bridged Binuclear Copper Complexes Elna Pidcock, Honorio V. Obias, Christiana Xin Zhang, Kenneth D. Karlin, and Edward I. Solomon pp 7841–7847 DOI: 10.1021/ja980687b

Layer-by-Layer Assembly of Thin Film Zener Diodes from Conducting Polymers and CdSe Nanoparticles Thierry Cassagneau, Thomas E. Mallouk, and Janos H. Fendler pp 7848–7859 DOI: 10.1021/ja9806027 Supporting Info

Redox Characteristics of Covalent Derivatives of the Higher Fullerenes C70, C76, and C78 Corinne Boudon, Jean-Paul Gisselbrecht, Maurice Gross, Andreas Herrmann, Markus Rüttimann, Jeanne Crassous, Francesca Cardullo, Luis Echegoyen, and François Diederich pp 7860–7868 DOI: 10.1021/ja981334f Supporting Info

Oxygen Atom Transfer to Positive Ions: A Novel Reaction of Ozone in the Gas Phase Maria Anita Mendes, Luiz Alberto B. Moraes, Regina Sparrapan, Marcos N. Eberlin, Risto Kostiainen, and Tapio Kotiaho pp 7869–7874 DOI: 10.1021/ja971251j

Second-Order Nonlinear Optical Properties of the Four Tetranitrotetrapropoxycalix[4]arene Conformers Paul J. A. Kenis, Oscar F. J. Noordman, Stephan Houbrechts, Gerrit J. van Hummel, Sybolt Harkema, Frank C. J. M. van Veggel, Koen Clays, Johan F. J. Engbersen, Andre Persoons, Niek F. van Hulst, and David N. Reinhoudt pp 7875–7883 DOI: 10.1021/ja980791t Supporting Info

Reactions between Li Atoms and RCN (R = H or CH3):  Semiempirical SCF MO and Matrix Isolation ESR Studies Paul H. Kasai pp 7884–7892 DOI: 10.1021/ja9807901

Polymorphic Amorphous and Crystalline Forms of Trehalose Fabiana Sussich, Ranieri Urbani, Francesco Princivalle, and Attilio Cesàro pp 7893–7899 DOI: 10.1021/ja9800479

Crystal Structure Studies on the Garnet Y3Al5O12 by 27Al Single-Crystal NMR Spectroscopy Thomas Vosegaard, Inger P. Byriel, Dorota A. Pawlak, Krzysztof Wozniak, and Hans J. Jakobsen pp 7900–7904 DOI: 10.1021/ja980443r

Longitudinal and Transverse 1H−15N Dipolar/15N Chemical Shift Anisotropy Relaxation Interference:  Unambiguous Determination of Rotational Diffusion Tensors and Chemical Exchange Effects in Biological Macromolecules Christopher D. Kroenke, J. Patrick Loria, Larry K. Lee, Mark Rance, and Arthur G. Palmer, III pp 7905–7915 DOI: 10.1021/ja980832l Supporting Info

Flexibility and Function in HIV Protease:  Dynamics of the HIV-1 Protease Bound to the Asymmetric Inhibitor Kynostatin 272 (KNI-272) Darón I. Freedberg, Yun-Xing Wang, Stephen J. Stahl, Joshua D. Kaufman, Paul T. Wingfield, Yoshiaki Kiso, and Dennis A. Torchia pp 7916–7923 DOI: 10.1021/ja981206r Supporting Info

SQUID Magnetization Study of the Infrared-Induced Spin Transition in the S2 State of Photosystem II:  Spin Value Associated with the g = 4.1 EPR Signal Olivier Horner, Eric Rivière, Geneviève Blondin, Sun Un, A. William Rutherford, Jean-Jacques Girerd, and Alain Boussac pp 7924–7928 DOI: 10.1021/ja981330a

NMR and INS Line Shapes of Transition Metal Hydrides in the Presence of Coherent and Incoherent Dihydrogen Exchange Hans-Heinrich Limbach, Stefan Ulrich, Stephan Gründemann, Gerd Buntkowsky, Sylviane Sabo-Etienne, Bruno Chaudret, Gregory J. Kubas, and Jürgen Eckert pp 7929–7943 DOI: 10.1021/ja962903r

Rotational Relaxation of Ionic Molecules in Electrolyte Solutions. Anisotropy Relaxation and Molecular Dynamics Study N. Balabai, M. G. Kurnikova, R. D. Coalson, and D. H. Waldeck pp 7944–7951 DOI: 10.1021/ja973393j Supporting Info

Conformations of Chiral α,β-Unsaturated Sulfoxides and Their Complexes with Lewis Acids. An ab Initio Study Lutz F. Tietze, Ansgar Schuffenhauer, and Peter R. Schreiner pp 7952–7958 DOI: 10.1021/ja980079w Supporting Info

Conformational Flexibility of Phosphate, Phosphonate, and Phosphorothioate Methyl Esters in Aqueous Solution Jan Florián, Marek Štrajbl, and Arieh Warshel pp 7959–7966 DOI: 10.1021/ja9710823 Supporting Info

Tetracoordinated Planar Carbon in Pentaatomic Molecules Alexander I. Boldyrev and Jack Simons pp 7967–7972 DOI: 10.1021/ja981236u

Alkyne Metathesis with Simple Catalyst Systems:  Poly(p-phenyleneethynylene)s Lioba Kloppenburg, Dschun Song, and Uwe H. F. Bunz pp 7973–7974 DOI: 10.1021/ja9813865 Supporting Info

Measurement of the α-Secondary Kinetic Isotope Effect for a Prenyltransferase by MALDI Mass Spectrometry Valerie A. Weller and Mark D. Distefano pp 7975–7976 DOI: 10.1021/ja980353m Supporting Info

Chain-Transfer Mechanisms of the Alternating Copolymerization of Carbon Monoxide and Ethene Catalyzed by Palladium(II) Complexes:  Rearrangement to Highly Reactive Enolates Martin A. Zuideveld, Paul C. J. Kamer, Piet W. N. M. van Leeuwen, Peter A. A. Klusener, Hans A. Stil, and Cornelis F. Roobeek pp 7977–7978 DOI: 10.1021/ja980914+ Supporting Info

HXeSH, the First Example of a Xenon−Sulfur Bond Mika Pettersson, Jan Lundell, Leonid Khriachtchev, Esa Isoniemi, and Markku Räsänen pp 7979–7980 DOI: 10.1021/ja981032d

Solvatochromic Shifts of “Super” Photoacids Kyril M. Solntsev and Dan HuppertLaren M. TolbertNoam Agmon pp 7981–7982 DOI: 10.1021/ja9808604

Physical Organic Chemistry of Transition Metal Carbene Complexes. 12.1 Spectroscopic Detection and Kinetic Characterization of the Intermediate in the Nucleophilic Substitution Reaction of (CO)5CrC(OCH3)Ph with Thiolate Ions in Aqueous Acetonitrile Claude F. Bernasconi, Francis X. Flores, and Kevin W. Kittredge pp 7983–7984 DOI: 10.1021/ja9812655

NMR Evidence for the Reassembly of an α/β Domain after Cleavage of an α-Helix:  Implications for Protein Design X.-M. Yang, W.-F. Yu, J.-H. Li, J. Fuchs, J. Rizo, and M. L. Tasayco pp 7985–7986 DOI: 10.1021/ja980065q Supporting Info

A Novel Organometallic Aqua Complex of Technetium for the Labeling of Biomolecules:  Synthesis of [99mTc(OH2)3(CO)3]+ from [99mTcO4]- in Aqueous Solution and Its Reaction with a Bifunctional Ligand Roger Alberto, Roger Schibli, André Egli, and August P. SchubigerUlrich AbramThomas A. Kaden pp 7987–7988 DOI: 10.1021/ja980745t Supporting Info

Relaxation Artifacts and Their Suppression in Multidimensional E.COSY-type NMR Experiments for Measurement of J Coupling Constants in 13C- or 15N-Labeled Proteins Axel Meissner, Thomas Schulte-Herbrüggen, and Ole Winneche Sørensen pp 7989–7990 DOI: 10.1021/ja9730371

Stereoelectronic Control on the Coordination of Substrates to Globin Proteins. The Role of Proximal His93 on the NO Release from Myoglobin Dóra K. Menyhárd and Gyrgy M. Keser pp 7991–7992 DOI: 10.1021/ja972780q

Organic Superconducting Thin Films Generated at a Single Crystal−Solution Interface Michel Ribault and Alec Moradpour pp 7993–7994 DOI: 10.1021/ja981090z

Novel Synthesis of Cyclic Alkenylboronates via Ring-Closing Metathesis Johanne Renaud and Stéphane G. Ouellet pp 7995–7996 DOI: 10.1021/ja980958i Supporting Info

Evolution of Orientation in the Growth of Azo Dye Zirconium Phosphate−Phosphonate Multilayers Susan K. Doughty, Garth J. Simpson, and Kathy L. Rowlen pp 7997–7998 DOI: 10.1021/ja9810540

Unusual Molecular Orbital Ordering in Molybdenum−Ruthenium Heterometallic Porphyrin Dimers:  Structural and Magnetic Evidence James P. Collman, Steven T. Harford, Pascale Maldivi, and Jean-Claude Marchon pp 7999–8000 DOI: 10.1021/ja980233e Supporting Info

Solvent-Mediated Electron Transfer:  Correlation between Coupling Magnitude and Solvent Vertical Electron Affinity Hai Han and Matthew B. Zimmt pp 8001–8002 DOI: 10.1021/ja981501b

Selective Encapsulation of Aqueous Cationic Guests into a Supramolecular Tetrahedral [M4L6]12- Anionic Host1 Tatjana N. Parac, Dana L. Caulder, and Kenneth N. Raymond pp 8003–8004 DOI: 10.1021/ja981690y

On the Mechanism of the Ozonation of Isopropyl Alcohol:  An Experimental and Density Functional Theoretical Investigation. 17O NMR Spectra of Hydrogen Trioxide (HOOOH) and the Hydrotrioxide of Isopropyl Alcohol Božo Plesniar, Janez Cerkovnik, Tomaž Tekavec, and Jože Koller pp 8005–8006 DOI: 10.1021/ja981568z Supporting Info

Catalyzed Cyclization of α,ω-Dienes:  A Versatile Protocol for the Synthesis of Functionalized Carbocyclic and Heterocyclic Compounds Branko Radetich and T. V. RajanBabu pp 8007–8008 DOI: 10.1021/ja9738788 Supporting Info

Direct Observation of Size-Dependent Optical Enhancement in Single Metal Nanoparticles Steven R. Emory, William E. Haskins, and Shuming Nie pp 8009–8010 DOI: 10.1021/ja9815677

Issue 32

Catalytic Asymmetric Oxidation of tert-Butyl Disulfide. Synthesis of tert-Butanesulfinamides, tert-Butyl Sulfoxides, and tert-Butanesulfinimines Derek A. Cogan, Guangcheng Liu, Kyungjin Kim, Bradley J. Backes, and Jonathan A. Ellman pp 8011–8019 DOI: 10.1021/ja9809206 Supporting Info

Characterization of Polyethylene Glycolated Horseradish Peroxidase in Organic Solvents:  Generation and Stabilization of Transient Catalytic Intermediates at Low Temperature Shin-ichi Ozaki, Yuji Inada, and Yoshihito Watanabe pp 8020–8025 DOI: 10.1021/ja9714696 Supporting Info

Selective Entry to the Dimeric or Oligomeric Pyridinium Sponge Macrocycles via Aminopentadienal Derivatives. Possible Biogenetic Relevance with Manzamine Alkaloids Alexander Kaiser, Xavier Billot, Alice Gateau-Olesker, Christian Marazano, and Bhupesh C. Das pp 8026–8034 DOI: 10.1021/ja9805369 Supporting Info

Catalytic CN Bond Formation by Metal-Imide-Mediated Imine Metathesis Gidget K. Cantrell and Tara Y. Meyer pp 8035–8042 DOI: 10.1021/ja981272t

Alternate Pathways for Acetic Acid and Acetate ion Release from Acetylcholinesterase:  a Molecular Dynamics Study Istvan J. Enyedy, Ildiko M. Kovach, and Bernard R. Brooks pp 8043–8050 DOI: 10.1021/ja973131h

Sulfinylimine Radical in Azido-CDP- and Azido-UDP-Inhibited Ribonucleotide Reductase Leif A. Eriksson pp 8051–8054 DOI: 10.1021/ja973745m

Generation and Study of Benzylchlorocarbene from a Phenanthrene Precursor Manisha Nigam, Matthew S. Platz, Brett M. Showalter, John P. Toscano, Richard Johnson, Sarah C. Abbot, and Mary M. Kirchhoff pp 8055–8059 DOI: 10.1021/ja980251w

Selective One-Electron and Two-Electron Reduction of C60 with NADH and NAD Dimer Analogues via Photoinduced Electron Transfer Shunichi Fukuzumi, Tomoyoshi Suenobu, Matthias Patz, Takeomi Hirasaka, Shinobu Itoh, Mamoru Fujitsuka, and Osamu Ito pp 8060–8068 DOI: 10.1021/ja9813459 Supporting Info

Vanadium(V) Complexes of Polydentate Amino Alcohols:  Fine-Tuning Complex Properties Debbie C. Crans and Iman Boukhobza pp 8069–8078 DOI: 10.1021/ja9808200 Supporting Info

Reactivity of Phosphate Diesters Doubly Coordinated to a Dinuclear Cobalt(III) Complex:  Dependence of the Reactivity on the Basicity of the Leaving Group Nicholas H. Williams, William Cheung, and Jik Chin pp 8079–8087 DOI: 10.1021/ja980660s

Bis(benzene)chromium. A Sandwich Complex Spin Trap As Revealed by ENDOR Spectroscopy E. Samuel, D. Caurant, D. Gourier, Ch. Elschenbroich, and K. Agbaria pp 8088–8092 DOI: 10.1021/ja972539b

Core Shell Inversion during Nucleation and Growth of Bimetallic Pt/Ru Nanoparticles Michael S. Nashner, Anatoly I. Frenkel, David Somerville, Charles W. Hills, John R. Shapley, and Ralph G. Nuzzo pp 8093–8101 DOI: 10.1021/ja980638z Supporting Info

Synthesis, Structures, and Oxo Transfer Reactivity of Bis(dithiolene)tungsten(IV,VI) Complexes Related to the Active Sites of Tungstoenzymes Christian Lorber, James P. Donahue, Christine A. Goddard, Ebbe Nordlander, and R. H. Holm pp 8102–8112 DOI: 10.1021/ja981015o Supporting Info

Molecular Modeling and Solid-State NMR of Short-Chain Molecules in Dianin's Compound and Zeolite 5A Eduardo Zaborowski, Herbert Zimmermann, and Shimon Vega pp 8113–8123 DOI: 10.1021/ja980831t

Counterion Effects in Pd Polyselenides:  Evolution from Molecular to Three-Dimensional Framework Structures Kang-Woo Kim and Mercouri G. Kanatzidis pp 8124–8135 DOI: 10.1021/ja981297s Supporting Info

Geometrical Difference and Electron Configuration of Lantern-Type Rh24+ and Rh25+ Complexes:  X-ray Structural and DFT Study Takashi Kawamura, Minobu Maeda, Makoto Miyamoto, Hiroshi Usami, Kaori Imaeda, and Masahiro Ebihara pp 8136–8142 DOI: 10.1021/ja9712940 Supporting Info

Toward Solution-State Structure. A 6Li,1H HOESY NMR, X-ray Diffraction, Semiempirical (PM3, MNDO), and ab Initio Computational Study of a Chiral Lithium Amide Göran Hilmersson, Per I. Arvidsson, Öjvind Davidsson, and Mikael Håkansson pp 8143–8149 DOI: 10.1021/ja9724708 Supporting Info

Synthesis and Characterization of the Electronic and Electrochemical Properties of Thienylenevinylene Oligomers with Multinanometer Dimensions Isabelle Jestin, Pierre Frère, Nicolas Mercier, Eric Levillain, Didier Stievenard, and Jean Roncali pp 8150–8158 DOI: 10.1021/ja980603z Supporting Info

Single versus Double Proton-Transfer Reactions in Watson−Crick Base Pair Radical Cations. A Theoretical Study Juan Bertran, Antonio Oliva, Luis Rodríguez-Santiago, and Mariona Sodupe pp 8159–8167 DOI: 10.1021/ja9804417

Effect of the Spinning Motion of the Dihydrogen Ligand on the Properties of an Elongated Dihydrogen Complex. A Theoretical Study of the trans-[Os(H···H)Cl(H2PCH2CH2PH2)2]+ Complex Ricard Gelabert, Miquel Moreno, José M. Lluch, and Agustí Lledós pp 8168–8176 DOI: 10.1021/ja980009p

Plastocyanin−Peptide Interactions. Effects of Lysine Peptides on Protein Structure and Electron-Transfer Character Shun Hirota, Kozue Hayamizu, Masaaki Endo, Takashi Hibino, Teruhiro Takabe, Takamitsu Kohzuma, and Osamu Yamauchi pp 8177–8183 DOI: 10.1021/ja980711l

Crystal Structure Studies by Single-Crystal NMR Spectroscopy. 71Ga and 69Ga Single-Crystal NMR of β-Ga2O3 Twins Thomas Vosegaard, Inger P. Byriel, Laurent Binet, Dominique Massiot, and Hans J. Jakobsen pp 8184–8188 DOI: 10.1021/ja981666k

Cleavage of C−C and C−F Bonds by Xe+• and I+ Ions in Reactions at a Fluorinated Self-Assembled Monolayer Surface:  Collision Energy Dependence and Mechanisms B. Feng, J. Shen, V. Grill, C. Evans, and R. G. Cooks pp 8189–8198 DOI: 10.1021/ja973201k

Amphiphilic Dendrimers as Building Blocks in Supramolecular Assemblies Albertus P. H. J. Schenning, Cristina Elissen-Román, Jan-Willem Weener, Maurice W. P. L. Baars, Sjerry J. van der Gaast, and E. W. Meijer pp 8199–8208 DOI: 10.1021/ja9736774

Solid-State and Solution Structure of the Salinomycin−Sodium Complex:  Stabilization of Different Conformers for an Ionophore in Different Environments Erich F. Paulus, Michael Kurz, Hans Matter, and László Vértesy pp 8209–8221 DOI: 10.1021/ja973607x Supporting Info

A New Mechanism for the First Carbon−Carbon Bond Formation in the MTG Process:  A Theoretical Study Nobuo Tajima, Takao Tsuneda, Fuminori Toyama, and Kimihiko Hirao pp 8222–8229 DOI: 10.1021/ja9741483

Indirect Determination of Self-Exchange Electron Transfer Rate Constants Stephen F. Nelsen, Rustem F. Ismagilov, Kevin E. Gentile, Mark A. Nagy, Hieu Q. Tran, Qinling Qu, DeWayne T. Halfen, Amy L. Odegard, and Jack R. Pladziewicz pp 8230–8240 DOI: 10.1021/ja9810890

Conformational Studies of Oxacyclodecan-2-one and Oxacycloundecan-2-one by Dynamic NMR Spectroscopy and Computational Methods Diwakar M. Pawar, Sumona V. Smith, Erica M. Moody, and Eric A. Noe pp 8241–8244 DOI: 10.1021/ja980427u

η5-Silolyl and η5-Germolyl Complexes of d0 Hafnium. Structural Characterization of an η5-Silolyl Complex Jeffrey M. Dysard and T. Don Tilley pp 8245–8246 DOI: 10.1021/ja9812857 Supporting Info

The First Metallacyclopentadiene(Alkyne) Complexes and Their Discrete Isomerization to η4-Bound Arenes: The Missing Link in the Prevalent Mechanism of Transition Metal Catalyzed Alkyne Cyclotrimerizations, as Exemplified by Cyclopentadienylcobalt Rainer Diercks, Bruce E. Eaton, Stefan Gürtzgen, Satish Jalisatgi, Adam J. Matzger, Rachel H. Radde, and K. Peter C. Vollhardt pp 8247–8248 DOI: 10.1021/ja981766q Supporting Info

The First Platinum(0)-Catalyzed Regio- and Stereoselective Thiosilylation of Alkynes Using Disulfides and Disilanes:  A New Strategy for Introducing Two Different Heteroatoms into Carbon−Carbon Unsaturated Bonds Li-Biao Han and Masato Tanaka pp 8249–8250 DOI: 10.1021/ja981474p Supporting Info

Cobalt Porphyrin Heme Oxygenase Complex. EPR Evidences for the Distal Heme Pocket Hydrogen Bonding Hiroshi Fujii, Yi Dou, Hong Zhou, Tadashi Yoshida, and Masao Ikeda-Saito pp 8251–8252 DOI: 10.1021/ja973925w

Electron-Transfer-Driven Trans-Ligand Labilization:  A Novel Activation Mechanism for Pt(IV) Anticancer Complexes Nicole A. Kratochwil, Zijian Guo, Piedad del Socorro Murdoch, John A. Parkinson, Patrick J. Bednarski, and Peter J. Sadler pp 8253–8254 DOI: 10.1021/ja980393q Supporting Info

Aggregated Heme Detoxification Byproducts in Malarial Trophozoites:  β-Hematin and Malaria Pigment Have a Single S = 5/2 Iron Environment in the Bulk Phase as Determined by EPR and Magnetic Mössbauer Spectroscopy D. Scott Bohle, Peter Debrunner, Peter A. Jordan, Sara K. Madsen, and Charles E. Schulz pp 8255–8256 DOI: 10.1021/ja980962u

Highly Electrophilic Olefin Polymerization Catalysts. Counteranion and Solvent Effects on Constrained Geometry Catalyst Ion Pair Structure and Reactivity Giuseppe LanzaIgnazio L. FragalàTobin J. Marks pp 8257–8258 DOI: 10.1021/ja980852n

First Asymmetric Synthesis of a Hasubanan Alkaloid. Total Synthesis of (+)-Cepharamine Arthur G. Schultz and Aihua Wang pp 8259–8260 DOI: 10.1021/ja981624w Supporting Info

Perfluorocarbon−Hydrocarbon Self-Assembling. 1D Infinite Chain Formation Driven by Nitrogen···Iodine Interactions Vincenzo Amico, Stefano Valdo Meille, Eleonora Corradi, Maria Teresa Messina, and Giuseppe Resnati pp 8261–8262 DOI: 10.1021/ja9810686 Supporting Info

Band-Filling Control of π-d Electron System Based on Bis(ethylenedithio)tetrathiafulvalene Cation Radical Salts Reiji Kumai and Atsushi AsamitsuYoshinori Tokura pp 8263–8264 DOI: 10.1021/ja9816178

Changing the Product State Distribution and Kinetics in Photocatalytic Surface Reactions Using Pulsed Laser Irradiation Matthew L. Miller, John Borisch, Daniel Raftery, and Joseph S. Francisco pp 8265–8266 DOI: 10.1021/ja9804621

Three-Dimensional Mesoscale Self-Assembly Wilhelm T. S. Huck, Joe Tien, and George M. Whitesides pp 8267–8268 DOI: 10.1021/ja981390g

Direct Detection of the Excited Triplet State of Diphenylmethylene by Time-Resolved EPR Spectroscopy Kimio Akiyama, Shozo Tero-Kubota, and Jiro Higuchi pp 8269–8270 DOI: 10.1021/ja981304c

Remarkable Enhancement of Catalyst Activity of Trialkylsilyl Sulfonates on the Mukaiyama Aldol Reaction:  A New Approach Using Bulky Organoaluminum Cocatalysts Masataka Oishi, Seiji Aratake, and Hisashi Yamamoto pp 8271–8272 DOI: 10.1021/ja981464o Supporting Info

Theoretical Studies on SN2-Reaction of MeBr with Me2CuLi·LiCl. Solvent and Cluster Effects on Oxidative Addition/Reductive Elimination Pathway Eiichi Nakamura and Seiji MoriKeiji Morokuma pp 8273–8274 DOI: 10.1021/ja9800030 Supporting Info

Anomalous Migration of Short Sequences of Nucleic Acids in Polyacrylamide Gels:  Prediction and Experiment Udayan Mohanty, Tim Searls, and Larry W. McLaughlin pp 8275–8276 DOI: 10.1021/ja981745w Supporting Info

Cationic Aluminum Alkyl Complexes Incorporating Aminotroponiminate Ligands Eiji Ihara, Victor G. Young, Jr., and Richard F. Jordan pp 8277–8278 DOI: 10.1021/ja9817444 Supporting Info

Simple Aminols as Aminoglycoside Surrogates Jeffrey B.-H. Tok and Robert R. Rando pp 8279–8280 DOI: 10.1021/ja9810235 Supporting Info

Dendritic Nucleic Acid Probes for DNA Biosensors Joseph Wang and Mian JiangThor W. Nilsen and Robert C. Getts pp 8281–8282 DOI: 10.1021/ja980619p Supporting Info

Synthesis and Structure of the Metallaborane Cp*3(μ-H)W3B8H8 from the Thermolysis of Cp*H3WB4H8 (Cp* = η5-C5Me5). A Close-Packed 11-Atom Boron-Rich Cluster Andrew S. Weller, Maoyu Shang, and Thomas P. Fehlner pp 8283–8284 DOI: 10.1021/ja981101o Supporting Info

Synthesis of π-Indenyl-type Fullerene Ligand and Its Metal Complexes via Quantitative Trisarylation of C70 Masaya Sawamura, Hitoshi Iikura, Atsushi Hirai, and Eiichi Nakamura pp 8285–8286 DOI: 10.1021/ja981256w Supporting Info

Lewis Acid Catalysts Stable in Water. Correlation between Catalytic Activity in Water and Hydrolysis Constants and Exchange Rate Constants for Substitution of Inner-Sphere Water Ligands Shū Kobayashi, Satoshi Nagayama, and Tsuyoshi Busujima pp 8287–8288 DOI: 10.1021/ja980715q

Anti-infectives:  Recent Advances in Chemistry and Structure−Activity Relationships Edited by P. H. Bentley (Smith & Nephew Group Research Centre) and P. J. O'Hanlon (SmithKline Beecham Pharmaceuticals). American Chemical Society:  Washington, DC. 1997. xi + 338 pp. $174.00. ISBN 0-85404-7077. Dale F. Mierke p 8289 DOI: 10.1021/ja9756533

Advanced Molecular Dynamics and Chemical Kinetics By Gert D. Billing and Kurt V. Mikkelson (University of Copenhagen). John Wiley:  New York. 1997. xiii + 288 pp. $54.95. ISBN 0-471-12740-X. Joel M. Bowman p 8289 DOI: 10.1021/ja975660r

Single-Molecule Optical Detection, Imaging and Spectroscopy Edited by T. Basche, W. E. Moerner, M. Orrit, and U. P. Wild. Wiley/VCH:  New York. 1997. $198.00. xiv + 250 pp. ISBN 3-527-29316-7. Shuming Nie pp 8289–8290 DOI: 10.1021/ja975696j

Organic Reactions in Aqueous Media By Chao-Jun Li (Tulane University) and Tak-Hang Chan (McGill University). John Wiley and Sons:  New York. 1997. xi + 199 pp. $59.95. ISBN 0-471-16395-3. Joseph S. Merola p 8290 DOI: 10.1021/ja975656f

Environmental Toxicology and Chemistry By Donald G. Crosby (University of California, Davis). Oxford University Press:  Oxford and New York. 1998. 336 pp. $59.95. ISBN 0-19-511713-1. Nelson Scott pp 8290–8291 DOI: 10.1021/ja985626s

Principles of Molecular Biology, Volume 5:  Molecular and Cellular Genetics Edited by E. Edward Bittar and Neville Bittar (University of Wisconsin). JAI Press:  Greenwich, CT. 1996. xiv + 412 pp. $128.50. ISBN 1-55938-809-9. Nicolae Filipescu p 8291 DOI: 10.1021/ja975579o

Plasma Source Mass Spectrometry:  Developments and Applications Edited by Grenville Holland (University of Durham) and Scott D. Tanner (PE-Sciex). American Chemical Society:  Washington, DC. 1997. x + 329 pp. $136.00. ISBN 0-85404-727-1. R. S. Houk p 8291 DOI: 10.1021/ja975652a

Catalytic Reductive Carbonylation of Organic Nitro Compounds By Sergio Cenini and Fabio Ragaini (Università degli Studi di Milano). Kluwer Academic:  Dordrecht. 1997. xii + 340 pp. $169.00. ISBN 0-7923-4307-7. Wayne L. Gladfelter pp 8291–8292 DOI: 10.1021/ja975571e

Structure and Properties of Rubberlike Networks By Burak Erman (Bogazici University) and James E. Mark (University of Cincinnati). Oxford University Press:  New York. 1997. xiii + 370 pp. $70.00. ISBN 0-19-508237-0. Guy C. Berry p 8292 DOI: 10.1021/ja9756681

Modern Catalytic Methods for Organic Synthesis with Diazo Compounds from Cyclopropanes to Ylides By Michael P. Doyle. Wiley:  New York. 1998. v + 652 pp. $69.95. ISBN 0-471-13556-9. David S. Wulfman p 8292 DOI: 10.1021/ja985631w

Issue 33

Direct Observation of Hydrogen Bonds in Nucleic Acid Base Pairs by Internucleotide 2JNN Couplings Andrew J. Dingley and Stephan Grzesiek pp 8293–8297 DOI: 10.1021/ja981513x Supporting Info

Free Radical Chemistry of β-Lactones. Arrhenius Parameters for the Decarboxylative Cleavage and Ring Expansion of 2-Oxetanon-4-ylcarbinyl Radicals. Facilitation of Chain Propagation by Catalytic Benzeneselenol David Crich and Xue-Sheng Mo pp 8298–8304 DOI: 10.1021/ja980447w Supporting Info

Platinum- and Acid-Catalyzed Enyne Metathesis Reactions:  Mechanistic Studies and Applications to the Syntheses of Streptorubin B and Metacycloprodigiosin Alois Fürstner, Hauke Szillat, Barbara Gabor, and Richard Mynott pp 8305–8314 DOI: 10.1021/ja981183g Supporting Info

Benzocyclohex-1-en-3-yne at High Temperature Peter J. Lu, Weitao Pan, and Maitland Jones, Jr. pp 8315–8318 DOI: 10.1021/ja981434l

A Library Approach to the Discovery of Small Molecules That Recognize RNA:  Use of a 1,3-Hydroxyamine Motif as Core Chi-Huey Wong, Martin Hendrix, David D. Manning, Christoph Rosenbohm, and William A. Greenberg pp 8319–8327 DOI: 10.1021/ja980826p

Catalytic Asymmetric Epoxidation of Aldehydes. Optimization, Mechanism, and Discovery of Stereoelectronic Control Involving a Combination of Anomeric and Cieplak Effects in Sulfur Ylide Epoxidations with Chiral 1,3-Oxathianes Varinder K. Aggarwal, J. Gair Ford, Sílvia Fonquerna, Harry Adams, Ray V. H. Jones, and Robin Fieldhouse pp 8328–8339 DOI: 10.1021/ja9812150 Supporting Info

Zr-Catalyzed Kinetic Resolution of Allylic Ethers and Mo-Catalyzed Chromene Formation in Synthesis. Enantioselective Total Synthesis of the Antihypertensive Agent (S,R,R,R)-Nebivolol Charles W. Johannes, Michael S. Visser, Gabriel S. Weatherhead, and Amir H. Hoveyda pp 8340–8347 DOI: 10.1021/ja981378o Supporting Info

Transition Metal Catalyzed Ring-Opening Polymerization (ROP) of Silicon-Bridged [1]Ferrocenophanes:  Facile Molecular Weight Control and the Remarkably Convenient Synthesis of Poly(ferrocenes) with Regioregular, Comb, Star, and Block Architectures Paloma Gómez-Elipe, Rui Resendes, Peter M. Macdonald, and Ian Manners pp 8348–8356 DOI: 10.1021/ja981429h

Density Functional Modeling of Double Exchange Interactions in Transition Metal Complexes. Calculation of the Ground and Excited State Properties of [Fe2(OH)3(tmtacn)2]2+ Vincenzo Barone, Alessandro Bencini, Ilaria Ciofini, Claude A. Daul, and Federico Totti pp 8357–8365 DOI: 10.1021/ja973497u

New Structural Aspects of α-Pyrrolidinonate- and α-Pyridonate-Bridged, Homo- and Mixed-Valence, Di- and Tetranuclear cis-Diammineplatinum Complexes:  Eight New Crystal Structures, Stoichiometric 1:1 Mixture of Pt(2.25+)4 and Pt(2.5+)4, New Quasi-One-Dimensional Halide-Bridged [Pt(2.5+)4-Cl···]∞ System, and Consideration of Solution Properties Ken Sakai, Yuko Tanaka, Yuriko Tsuchiya, Kentaro Hirata, Taro Tsubomura, Seiichiro Iijima, and Ashis Bhattacharjee pp 8366–8379 DOI: 10.1021/ja980019q Supporting Info

Highly Porous Polyhedral Silsesquioxane Polymers. Synthesis and Characterization Chunxin Zhang, Florence Babonneau, Christian Bonhomme, Richard M. Laine, Christopher L. Soles, Hristo A. Hristov, and Albert F. Yee pp 8380–8391 DOI: 10.1021/ja9808853 Supporting Info

Seven-Coordinated Pnicogens. Synthesis and Characterization of the SbF72- and BiF72- Dianions and a Theoretical Study of the AsF72- Dianion Greg W. Drake, David A. Dixon, Jeffrey A. Sheehy, Jerry A. Boatz, and Karl O. Christe pp 8392–8400 DOI: 10.1021/ja9805728

The Limitations of X-ray Absorption Spectroscopy for Determining the Structure of Zinc Sites in Proteins. When Is a Tetrathiolate Not a Tetrathiolate? Kimber Clark-Baldwin, David L. Tierney, Nandakumar Govindaswamy, Eric S. Gruff, Chongwoo Kim, Jeremy Berg, Stephen A. Koch, and James E. Penner-Hahn pp 8401–8409 DOI: 10.1021/ja980580o Supporting Info

Characterization of the Zinc Binding Site in Methionine Synthase Enzymes of Escherichia coli:  The Role of Zinc in the Methylation of Homocysteine Katrina Peariso, Celia W. Goulding, Sha Huang, Rowena G. Matthews, and James E. Penner-Hahn pp 8410–8416 DOI: 10.1021/ja980581g Supporting Info

Theoretical Study of the Substrate Mechanism of Ribonucleotide Reductase Per E. M. Siegbahn pp 8417–8429 DOI: 10.1021/ja9736065

The Importance of Ion−Neutral Complexes in Gas-Phase Ionic Reactions:  Fragmentation of [CH3CH2OCH2]+ as a Prototypical Case Andrew J. Chalk and Leo Radom pp 8430–8437 DOI: 10.1021/ja9741786 Supporting Info

Self-Assembly of a Molecular Capsule Driven by Electrostatic Interaction in Aqueous Solution Bertrand Hamelin, Ludovic Jullien, Christiane Derouet, Catherine Hervé du Penhoat, and Patrick Berthault pp 8438–8447 DOI: 10.1021/ja980046g Supporting Info

Demonstration of endo-cis-(2S,3R)-Bicyclo[2.2.1]hept-5-en-2,3- dicarbonyl Unit as a Reverse-Turn Scaffold and Nucleator of Two-Stranded Parallel β-Sheets:  Design, Synthesis, Crystal Structure, and Self-Assembling Properties of Norborneno Peptide Analogues Darshan Ranganathan, V. Haridas, Sunita Kurur, Achamma Thomas, K. P. Madhusudanan, R. Nagaraj, A. C. Kunwar, A. V. S. Sarma, and Isabella L. Karle pp 8448–8460 DOI: 10.1021/ja980143+ Supporting Info

Chemical Bonding in Hypervalent Molecules Revised. Application of the Atoms in Molecules Theory to Y3 X and Y3 XZ (Y = H or CH3; X = N, P or As; Z = O or S) Compounds J. A. Dobado, Henar Martínez-García, Jos Molina Molina, and Markku R. Sundberg pp 8461–8471 DOI: 10.1021/ja980141p Supporting Info

Analysis of the Temperature Dependence of the 1H and 13C Isotropic Shifts of Horse Heart Ferricytochrome c:  Explanation of Curie and Anti-Curie Temperature Dependence and Nonlinear Pseudocontact Shifts in a Common Two-Level Framework Lucia Banci, Ivano Bertini, Claudio Luchinat, Roberta Pierattelli, Nikolai V. Shokhirev, and F. Ann Walker pp 8472–8479 DOI: 10.1021/ja980261x Supporting Info

α,3-Didehydro-5-methyl-6-hydroxytoluene:  Matrix Isolation of a Diradical Related to the Neocarzinostatin Chromophore Wolfram Sander, Holger Wandel, Götz Bucher, Jürgen Gräfenstein, Elfi Kraka, and Dieter Cremer pp 8480–8485 DOI: 10.1021/ja980792l

Molecular Scale Electronics:  A Synthetic/Computational Approach to Digital Computing James M. Tour, Masatoshi Kozaki, and Jorge M. Seminario pp 8486–8493 DOI: 10.1021/ja9808090

Sterol−Polyamine Conjugates as Synthetic Ionophores Manette Merritt, Marion Lanier, Gang Deng, and Steven L. Regen pp 8494–8501 DOI: 10.1021/ja9812960

Solid Phosphoric Acid Catalyst:  A Multinuclear NMR and Theoretical Study Thomas R. Krawietz, Ping Lin, Karen E. Lotterhos, Paul D. Torres, Dewey H. Barich, Abraham Clearfield, and James F. Haw pp 8502–8511 DOI: 10.1021/ja9813461 Supporting Info

Understanding the Nature of Water Bound to Solid Acid Surfaces. Ab Initio Simulation on HSAPO-34 Volker Termath, Frank Haase, Joachim Sauer Jürg Hutter and Michele Parrinello pp 8512–8516 DOI: 10.1021/ja981549p

A UV Resonance Raman Monitor of Histidine Protonation in Proteins:  Bohr Protons in Hemoglobin Xiaojie Zhao, Daojing Wang, and Thomas G. Spiro pp 8517–8518 DOI: 10.1021/ja974040n

Template Oligomerization of DNA-Bound Cations Produces Calibrated Nanometric Particles Thomas Blessing, Jean-Serge Remy, and Jean-Paul Behr pp 8519–8520 DOI: 10.1021/ja980620o

Intrazeolite Photochemistry. 24. Enantioselective Discrimination in the Quenching of Chiral Mn(II)salen Complexes Encapsulated inside Y Zeolite by Chiral 2-Butanols María J. Sabater, Sara García, Mercedes Alvaro, Hermenegildo García, and J. C. Scaiano pp 8521–8522 DOI: 10.1021/ja981326z

Electrostatic Self-Assembly of Silica Nanoparticle−Polyelectrolyte Multilayers on Polystyrene Latex Particles Frank Caruso, Heinz Lichtenfeld, Michael Giersig, and Helmuth Möhwald pp 8523–8524 DOI: 10.1021/ja9815024

Spectroscopic Evidence for a New Type of [Fe3S4] Cluster in a Mutant Form of Pyrococcus furiosus Ferredoxin Randall E. Duderstadt, Phillip S. Brereton, Michael W. W. Adams, and Michael K. Johnson pp 8525–8526 DOI: 10.1021/ja9815834 Supporting Info

Kinetic Study of Reductive Elimination from the Complexes (Diphosphine)Pd(R)(CN) John E. Marcone and Kenneth G. Moloy pp 8527–8528 DOI: 10.1021/ja980762i Supporting Info

Highly Regioselective Oxidative Polymerization of 4-Phenoxyphenol to Poly(1,4-phenylene oxide) Catalyzed by Tyrosinase Model Complexes Hideyuki Higashimura, Kiyoshi Fujisawa, Yoshihiko Moro-oka, Masaaki Kubota, Akinobu Shiga, Atsushi Terahara, Hiroshi Uyama, and Shiro Kobayashi pp 8529–8530 DOI: 10.1021/ja981283m Supporting Info

A Cytosine Analogue Capable of Clamp-Like Binding to a Guanine in Helical Nucleic Acids Kuei-Ying Lin and Mark D. Matteucci pp 8531–8532 DOI: 10.1021/ja981286z Supporting Info

Chemosensor Ensemble with Selectivity for Inositol-Trisphosphate Kenichi Niikura, Axel Metzger, and Eric V. Anslyn pp 8533–8534 DOI: 10.1021/ja980990c

Carbon−Carbon Coupling and Linear Alkene Formation on Oxygen-Modified Mo(100) Surfaces Seong Han Kim and Peter C. Stair pp 8535–8536 DOI: 10.1021/ja980517z

Direct Monitoring of DNA Polymerase Reactions on a Quartz-Crystal Microbalance Kenichi Niikura, Hisao Matsuno, and Yoshio Okahata pp 8537–8538 DOI: 10.1021/ja980967r

Immobilization of Soluble Metal Complexes with a Hydrogen-Bonded Organic Network as a Supporter. A Simple Route to Microporous Solid Lewis Acid Catalysts Tomoya Sawaki, Takehisa Dewa, and Yasuhiro Aoyama pp 8539–8540 DOI: 10.1021/ja9743351

Synergism of Catalysis and Reaction Center Rehybridization. An ab Initio Study of the Hydrolysis of the Parent Carbodiimide Michael Lewis and Rainer Glaser pp 8541–8542 DOI: 10.1021/ja980938g

A Bifunctional Photoaffinity Probe for Ligand/Receptor Interaction Studies Kan Fang, Masaru Hashimoto, Steffen Jockusch, Nicholas J. Turro, and Koji Nakanishi pp 8543–8544 DOI: 10.1021/ja9817186 Supporting Info

Walk on the Sphere:  Electrochemically Induced Isomerization of C60 Bis-adducts by Migration of Di(alkoxycarbonyl)methano Bridges Roland Kessinger, Marcos Gómez-López, Corinne Boudon, Jean-Paul Gisselbrecht, Maurice Gross, Luis Echegoyen, and François Diederich pp 8545–8546 DOI: 10.1021/ja981387x Supporting Info

Concerning the Localization of End Groups in Dendrimers Anton W. Bosman, Monique J. Bruining, Huub Kooijman, Anthony L. Spek, René A. J. Janssen, and E. W. Meijer pp 8547–8548 DOI: 10.1021/ja981626g Supporting Info

Ab Initio Computations of Reacting Species in Crystal Lattices; Mechanistic and Exploratory Organic Photochemistry1,2 Howard E. Zimmerman, Pavel Sebek, and Zhaoning Zhu pp 8549–8550 DOI: 10.1021/ja980042b

Stereospecificity of the 1,2-Wittig Rearrangement:  How Chelation Effects Influence Stereochemical Outcome Robert E. Maleczka, Jr., and Feng Geng pp 8551–8552 DOI: 10.1021/ja981696n Supporting Info

Interaction of the Tetramethylammonium Ion with the Cycles of Aromatic Amino Acids beyond the SCF Ab Initio Level Alberte Pullman, Gaston Berthier, and Roger Savinelli pp 8553–8554 DOI: 10.1021/ja981602+

Selective Inhibition of Human α-Thrombin by Cobalt(III) Schiff Base Complexes Toshihiko Takeuchi, Arnd Böttcher, Cindy M. Quezada, Melvin I. Simon, Thomas J. Meade, and Harry B. Gray pp 8555–8556 DOI: 10.1021/ja981191x

Covalently-Functionalized Single-Walled Carbon Nanotube Probe Tips for Chemical Force Microscopy Stanislaus S. Wong, Adam T. Woolley, Ernesto Joselevich, Chin Li Cheung, and Charles M. Lieber pp 8557–8558 DOI: 10.1021/ja9817803 Supporting Info

Biomimetic Synthesis of (−)-Xestospongin A, (+)-Xestospongin C, (+)-Araguspongine B and the Correction of Their Absolute Configurations Jack E. Baldwin, Artem Melman, Victor Lee, Catherine R. Firkin, and Roger C. Whitehead pp 8559–8560 DOI: 10.1021/ja980765v Supporting Info

A Thermally Switchable Molecular Lock. Guest-Templated Synthesis of a Kinetically Stable Nanosized Cage Fumiaki Ibukuro, Takahiro Kusukawa, and Makoto Fujita pp 8561–8562 DOI: 10.1021/ja980853f Supporting Info

Self-Assembly in Ultrahigh Vacuum:  Growth of Organic Thin Films with a Stable In-Plane Directional Order Chengzhi Cai, Martin M. Bösch, Ye Tao, Bert Müller, Zhehong Gan, Armin Kündig, Christian Bosshard, Ilias Liakatas, Matthias Jäger, and Peter Günter pp 8563–8564 DOI: 10.1021/ja981551g Supporting Info

Stereoselective Synthesis of over Two Million Compounds Having Structural Features Both Reminiscent of Natural Products and Compatible with Miniaturized Cell-Based Assays Derek S. Tan, Michael A. Foley, Matthew D. Shair, and Stuart L. Schreiber pp 8565–8566 DOI: 10.1021/ja981746o Supporting Info

Porous Germanates:  Synthesis, Structure, and Inclusion Properties of Ge7O14.5F2·[(CH3)2NH2]3(H2O)0.86 Hailian Li, M. Eddaoudi, D. A. Richardson, and O. M. Yaghi pp 8567–8568 DOI: 10.1021/ja9813919 Supporting Info

Design of Secondary Structures in Unnatural Peptides: Stable Helical γ-Tetra-, Hexa-, and Octapeptides and Consequences of α-Substitution Stephen Hanessian, Xuehong Luo, Robert Schaum, and Stephen Michnick pp 8569–8570 DOI: 10.1021/ja9814671 Supporting Info

Establishing Microporosity in Open Metal−Organic Frameworks:  Gas Sorption Isotherms for Zn(BDC) (BDC = 1,4-Benzenedicarboxylate) Hailian Li, Mohamed Eddaoudi, Thomas L. Groy, and O. M. Yaghi pp 8571–8572 DOI: 10.1021/ja981669x Supporting Info

Photoactivation of a Signal Transduction Pathway in Living Cells Kieran Curley and David S. Lawrence pp 8573–8574 DOI: 10.1021/ja981786s Supporting Info

Issue 34

Effects of Monomer and Template Concentration on the Kinetics of Nonenzymatic Template-Directed Oligoguanylate Synthesis Anastassia Kanavarioti, Claude F. Bernasconi, and Eldon E. Baird pp 8575–8581 DOI: 10.1021/ja9807237 Supporting Info

Chemical Modifications at a Single Site Can Induce Significant Shifts in the pH Profiles of a Serine Protease† Grace DeSantis and J. Bryan Jones pp 8582–8586 DOI: 10.1021/ja980072e Supporting Info

Encapsulation of Biologicals within Silicate, Siloxane, and Hybrid Sol−Gel Polymers:  An Efficient and Generic Approach Iqbal Gill and Antonio Ballesteros pp 8587–8598 DOI: 10.1021/ja9814568 Supporting Info

Catalytic Asymmetric Hetero-Diels−Alder Reactions of Ketones:  Chemzymatic Reactions Sulan Yao, Mogens Johannsen, Hélène Audrain, Rita G. Hazell, and Karl Anker Jørgensen pp 8599–8605 DOI: 10.1021/ja981710w Supporting Info

Modulation of Flavin Recognition and Redox Properties through Donor Atom−π Interactions Eric C. Breinlinger, Christopher J. Keenan, and Vincent M. Rotello pp 8606–8609 DOI: 10.1021/ja9809556 Supporting Info

Supramolecular Silver(I) Complexes with Highly Strained Polycyclic Aromatic Compounds Megumu Munakata, Liang Ping Wu, Takayoshi Kuroda-Sowa, Masahiko Maekawa, Yusaku Suenaga, Gui Ling Ning, and Toshiyuki Kojima pp 8610–8618 DOI: 10.1021/ja981483y Supporting Info

Visualizable Cylindrical Macromolecules with Controlled Stiffness from Backbones Containing Libraries of Self-Assembling Dendritic Side Groups V. Percec, C.-H. Ahn, W.-D. Cho, A. M. Jamieson, J. Kim, T. Leman, M. Schmidt, M. Gerle, M. Möller, S. A. Prokhorova, S. S. Sheiko, S. Z. D. Cheng, A. Zhang, G. Ungar, and D. J. P. Yeardley pp 8619–8631 DOI: 10.1021/ja981211v Supporting Info

Physical Organic Chemistry of Transition Metal Carbene Complexes. 14.1 Thermodynamic Acidity Measurements of Fischer Carbene Complexes in Acetonitrile Claude F. Bernasconi, Aquiles E. Leyes, Mark L. Ragains, Yan Shi, Huan Wang, and William D. Wulff pp 8632–8639 DOI: 10.1021/ja980608w Supporting Info

Stereoregular Polymerization of α-Olefins Catalyzed by Chiral Group 4 Benzamidinate Complexes of C1 and C3 Symmetry Claudia Averbuj, Edith Tish, and Moris S. Eisen pp 8640–8646 DOI: 10.1021/ja980392y Supporting Info

Iridium Complex-Catalyzed Allylic Alkylation of Allylic Esters and Allylic Alcohols:  Unique Regio- and Stereoselectivity Ryo Takeuchi and Mikihiro Kashio pp 8647–8655 DOI: 10.1021/ja981560p Supporting Info

Circular Dichroism and UV−Visible Absorption Spectra of the Langmuir−Blodgett Films of an Aggregating Helicene Colin Nuckolls, Thomas J. Katz, Thierry Verbiest, Sven Van Elshocht, Hans-Georg Kuball, Stefan Kiesewalter, Andrew J. Lovinger, and André Persoons pp 8656–8660 DOI: 10.1021/ja981757h

Total Synthesis of Sarcodictyins A and B K. C. Nicolaou, J. Y. Xu, S. Kim, J. Pfefferkorn, T. Ohshima, D. Vourloumis, and S. Hosokawa pp 8661–8673 DOI: 10.1021/ja981062g Supporting Info

Total Synthesis of Eleutherobin and Eleuthosides A and B K. C. Nicolaou, T. Ohshima, S. Hosokawa, F. L. van Delft, D. Vourloumis, J. Y. Xu, J. Pfefferkorn, and S. Kim pp 8674–8680 DOI: 10.1021/ja9810639 Supporting Info

Laser Flash Photolysis Studies of Oxygen and Sulfur Atom Transfer Reactions from Oxiranes and Thiiranes to Singlet Carbenes1 John Paul Pezacki, Paul D. Wood, Timothy A. Gadosy, Janusz Lusztyk, and John Warkentin pp 8681–8691 DOI: 10.1021/ja973469b Supporting Info

New Strategies in Carbonylation Chemistry:  The Synthesis of δ-Lactones from Saturated Alcohols and CO Shinji Tsunoi, Ilhyong Ryu, Tohru Okuda, Minoru Tanaka, Mitsuo Komatsu, and Noboru Sonoda pp 8692–8701 DOI: 10.1021/ja9807892 Supporting Info

C−H···F Interactions in the Crystal Structures of Some Fluorobenzenes Venkat R. Thalladi, Hans-Christoph Weiss, Dieter Bläser, Roland Boese, Ashwini Nangia, and Gautam R. Desiraju pp 8702–8710 DOI: 10.1021/ja981198e Supporting Info

Chemical Synthesis of Ozone, Isotopic Labeling, and Redistribution Anton Dimitrov, Konrad Seppelt, Dieter Scheffler, and Helge Willner pp 8711–8714 DOI: 10.1021/ja980887n

X-ray−Neutron Study of the Electron Density in Diammonium Hexaaquairon(II) Disulfate-d20 at 10.5 K and the Success of Ligand Field Modeling B. N. Figgis, A. N. Sobolev, D. M. Young, A. J. Schultz, and P. A. Reynolds pp 8715–8723 DOI: 10.1021/ja9739805 Supporting Info

Spectroscopic Studies of Oxidized Manganese Catalase and μ-Oxo-Bridged Dimanganese(III) Model Complexes:  Electronic Structure of the Active Site and Its Relation to Catalysis Thomas C. Brunold, Daniel R. Gamelin, Timothy L. Stemmler, Sanjay K. Mandal, William H. Armstrong, James E. Penner-Hahn, and Edward I. Solomon pp 8724–8738 DOI: 10.1021/ja981394l Supporting Info

Mössbauer Evidence for Antisymmetric Exchange in a Diferric Synthetic Complex and Diferric Methane Monooxygenase Karl E. Kauffmann, Codrina V. Popescu, Yanhong Dong, John D. Lipscomb, Lawrence Que, Jr., and Eckard Münck pp 8739–8746 DOI: 10.1021/ja981065t

Reactions of TpRe(CO)2(THF) with Aromatic Molecules (Tp = Hydridotris(pyrazolyl)borate) T. Brent Gunnoe, Michal Sabat, and W. Dean Harman pp 8747–8754 DOI: 10.1021/ja980690v Supporting Info

Reaction of Organic Disulfides with Cobalt-Centered Metal Radicals. Use of the E- and C-Based Dual-Parameter Substituent Model and Quantitative Solvent Effect Analyses To Compare Outer-Sphere and Inner-Sphere Electron-Transfer Processes Mark A. Aubart and Robert G. Bergman pp 8755–8766 DOI: 10.1021/ja980878e Supporting Info

A Multinuclear ENDOR Study of the C-Cluster in CO Dehydrogenase from Clostridium thermoaceticum:  Evidence for HxO and Histidine Coordination to the [Fe4S4] Center Victoria J. DeRose, Joshua Telser, Mark E. Anderson, Paul A. Lindahl, and Brian M. Hoffman pp 8767–8776 DOI: 10.1021/ja9731480 Supporting Info

Structures and Isomeric Transitions of NH4+(H2O)3-6:  From Single to Double Rings Yih-Sheng Wang, Hai-Chou Chang, Jyh-Chiang Jiang, Sheng H. Lin, Yuan T. Lee, and Huan-Cheng Chang pp 8777–8788 DOI: 10.1021/ja9802908

Switching the Jahn−Teller Distortion in Crystalline Ammonium Hexaaquacopper Sulfate (Tutton Salt) with Infrared Radiation Zhan Chen, Suli Fei, and Herbert L. Strauss pp 8789–8796 DOI: 10.1021/ja980782k

Preparation, Characterization, and Properties of Mixed Organic and Polymeric Self-Assembled Multilayers DeQuan Li, M. Lütt, M. R. Fitzsimmons, R. Synowicki, M. E. Hawley, and G. W. Brown pp 8797–8804 DOI: 10.1021/ja981232p Supporting Info

Structural and Voltammetric Studies on the Reduction of the Bis(2,2‘-bipyridyl)platinum(II) Cation in Aprotic Media Alan R. Brown, Zijian Guo, Fred W. J. Mosselmans, Simon Parsons, Martin Schröder, and Lesley J. Yellowlees pp 8805–8811 DOI: 10.1021/ja981670w Supporting Info

Modeling Electron Transfer in Biochemistry:  A Quantum Chemical Study of Charge Separation in Rhodobacter sphaeroides and Photosystem II Margareta R. A. Blomberg, Per E. M. Siegbahn, and Gerald T. Babcock pp 8812–8824 DOI: 10.1021/ja9805268

Modeling of Peptide Hydrolysis by Thermolysin. A Semiempirical and QM/MM Study Serge Antonczak, Gérald Monard, Manuel F. Ruiz-López, and Jean-Louis Rivail pp 8825–8833 DOI: 10.1021/ja981650u

Solvent Effects on Linear and Nonlinear Optical Properties of Donor−Acceptor Polyenes:  Investigation of Electronic and Vibrational Components in Terms of Structure and Charge Distribution Changes Roberto Cammi, Benedetta Mennucci, and Jacopo Tomasi pp 8834–8847 DOI: 10.1021/ja980823c

Oxidative Damage to and by Cysteine in Proteins:  An ab Initio Study of the Radical Structures, C−H, S−H, and C−C Bond Dissociation Energies, and Transition Structures for H Abstraction by Thiyl Radicals A. Rauk, D. Yu, and D. A. Armstrong pp 8848–8855 DOI: 10.1021/ja9807789 Supporting Info

Calculation of Relative Binding Free Energies of Peptidic Inhibitors to HIV-1 Protease and Its I84V Mutant G. J. Tawa, I. A. Topol, S. K. Burt, and J. W. Erickson pp 8856–8863 DOI: 10.1021/ja9733090 Supporting Info

Isotope Effects on the Ring Inversion of Cyclooctatetraene Cheryl D. Stevenson, Eric C. Brown, David A. Hrovat, and Weston Thatcher Borden pp 8864–8867 DOI: 10.1021/ja981496b

Characterization of 15N Chemical Shift and 1H−15N Dipolar Coupling Interactions in a Peptide Bond of Uniaxially Oriented and Polycrystalline Samples by One-Dimensional Dipolar Chemical Shift Solid-State NMR Spectroscopy D. K. Lee, R. J. Wittebort, and A. Ramamoorthy pp 8868–8874 DOI: 10.1021/ja981599u

Solution 1H NMR Investigation of the Molecular and Electronic Structure of the Active Site of Substrate-Bound Human Heme Oxygenase:  the Nature of the Distal Hydrogen Bond Donor to Bound Ligands Carol M. Gorst, Angela Wilks, Deok Cheon Yeh, Paul R. Ortiz de Montellano, and Gerd N. La Mar pp 8875–8884 DOI: 10.1021/ja9815475 Supporting Info

Distinctive Reactivities of Surface-Bound H and Bulk H for the Catalytic Hydrogenation of Acetylene K. L. Haug, T. Bürgi, T. R. Trautman, and S. T. Ceyer pp 8885–8886 DOI: 10.1021/ja9819615

Volume Changes Associated with CO Photodissociation from Fully Reduced Cytochrome bo3 from Escherichia coli Randy W. Larsen, Jeffrey Osborne, Tana Langley, and Robert B. Gennis pp 8887–8888 DOI: 10.1021/ja981143c

Primary Step in Bacteriorhodopsin Photosynthesis:  Bond Stretch Rather than Angle Twist of Its Retinal Excited-State Structure Li Song and M. A. El-Sayed pp 8889–8890 DOI: 10.1021/ja980390d Supporting Info

Highly Efficient Methodology for the Reductive Coupling of Aldehyde Tosylhydrazones with Alkyllithium Reagents Andrew G. Myers and Mohammad Movassaghi pp 8891–8892 DOI: 10.1021/ja981918h Supporting Info

Inhibition of HIV-1 Protease by a Subunit of Didemnaketal A Xiaodong Fan, George R. Flentke, and Daniel H. Rich pp 8893–8894 DOI: 10.1021/ja981306x Supporting Info

Helix−Helix Transition of Optically Active Poly((1R,2S)-N-(4-ethynylbenzyl)norephedrine) Induced by Diastereomeric Acid−Base Complexation Using Chiral Stimuli Eiji Yashima, Yukio Maeda, and Yoshio Okamoto pp 8895–8896 DOI: 10.1021/ja9818349 Supporting Info

EPR Spectral Evidence for a Binuclear Mn(II) Center in Dinitrogenase Reductase-Activating Glycohydrolase from Rhodospirillum rubrum Babu S. Antharavally, Russell R. Poyner, and Paul W. Ludden pp 8897–8898 DOI: 10.1021/ja9818912

Unusual Encapsulation of Two Nitrates in a Single Bicyclic Cage Susan Mason, Thomas Clifford, Larry Seib, Krzysztof Kuczera, and Kristin Bowman-James pp 8899–8900 DOI: 10.1021/ja9811593 Supporting Info

Pulsed Electrochemical Detection in High-Performance Liquid Chromatography By William R. LaCourse (University of Maryland Baltimore County). Wiley Interscience:  New York. 1997. xvii + 324 pp. $59.95. ISBN 0-471-11914-5. Craig E. Lunte p 8901 DOI: 10.1021/ja975661j

Generation of 1,2-Bisketenes from Cyclobutene-1,2-diones by Flash Photolysis and Ring Closure Kinetics J. Am. Chem. Soc. 1997, 119, 12125−12130 Annette D. Allen, Jim D. Colomvakos, François Diederich, Ian Egle, Xiaokuai Hao, Ronghua Li, Janusz Lusztyk, Jihai Ma, Michael A. McAllister, Yves Rubin, Kuangsen Sung, Thomas T. Tidwell, and Brian D. Wagner p 8901 DOI: 10.1021/ja9855141

Polymer Modification Edited by Graham Swift, Charles Carraher, Jr., and Christopher N. Bowman. Plenum:  New York. 1997. vii + 212 pp. $95.00. ISBN 0-306-45714-8. Patty Wisian-Neilson p 8901 DOI: 10.1021/ja985647m

Polycyclic Aromatic Hydrocarbons By Ronald G. Harvey (The University of Chicago). Wiley/VCH:  New York. 1997. $125.00. xiii + 667 pp. ISBN 0-471-18608-2. Peter P. Fu pp 8901–8902 DOI: 10.1021/ja9756937

Catalysis by Di- and Polynuclear Metal Cluster Complexes Edited by Richard D. Adams (University of South Carolina) and F. Albert Cotton (Texas A&M University). Wiley-VCH:  New York. 1998. x + 555 pp. $125.00. ISBN 0-471-23930-5. Andrew W. Maverick p 8902 DOI: 10.1021/ja985643h

Issue 35

Early Intermediates in Spermidine-Induced DNA Condensation on the Surface of Mica Ye Fang and Jan H. Hoh pp 8903–8909 DOI: 10.1021/ja981332v

The pH-Rate Profile for the Hydrolysis of a Peptide Bond Robert M. Smith and David E. Hansen pp 8910–8913 DOI: 10.1021/ja9804565

Diastereoselective Episulfidation of Strained Cyclic Alkenes by a Thiophene Endoperoxide versus Epoxidation by Dimethyldioxirane Waldemar Adam, Bettina Fröhling, Karl Peters, and Stephan Weinkötz pp 8914–8919 DOI: 10.1021/ja980425+ Supporting Info

Thermal Atropisomerism of Aglucovancomycin Derivatives:  Preparation of (M,M,M)- and (P,M,M)-Aglucovancomycins Dale L. Boger, Susumu Miyazaki, Olivier Loiseleur, Richard T. Beresis, Steven L. Castle, Jason H. Wu, and Qing Jin pp 8920–8926 DOI: 10.1021/ja981928i Supporting Info

Binding and Electron Transfer between Putidaredoxin and Cytochrome P450cam. Theory and Experiments Adrian E. Roitberg, Marcia J. Holden, Martin P. Mayhew, Igor V. Kurnikov, David N. Beratan, and Vincent L. Vilker pp 8927–8932 DOI: 10.1021/ja9739906

Dynamic Aspects of Lattice Inclusion Complexation Involving a Phase Change. Equilibrium, Kinetics, and Energetics of Guest-Binding to a Hydrogen-Bonded Flexible Organic Network Takehisa Dewa, Ken Endo, and Yasuhiro Aoyama pp 8933–8940 DOI: 10.1021/ja9812453 Supporting Info

Theoretical Investigation of the Proton Assisted Pathway to Formation of Cytochrome P450 Compound I Danni L. Harris and Gilda H. Loew pp 8941–8948 DOI: 10.1021/ja981059x Supporting Info

Cylindrical β-Sheet Peptide Assemblies Thomas D. Clark, Jillian M. Buriak, Kenji Kobayashi, Markus P. Isler, Duncan E. McRee, and M. Reza Ghadiri pp 8949–8962 DOI: 10.1021/ja981485i Supporting Info

Nanostructured Thermosets from Self-Assembled Amphiphilic Block Copolymer/Epoxy Resin Mixtures Paul M. Lipic, Frank S. Bates, and Marc A. Hillmyer pp 8963–8970 DOI: 10.1021/ja981544s

Synthesis of Enantiopure Estrone via a Double Heck Reaction Lutz F. Tietze, Thomas Nöbel, and Maurus Spescha pp 8971–8977 DOI: 10.1021/ja981539o Supporting Info

Mechanism of the Stille Reaction. 1. The Transmetalation Step. Coupling of R1I and R2SnBu3 Catalyzed by trans-[PdR1IL2] (R1 = C6Cl2F3; R2 = Vinyl, 4-Methoxyphenyl; L = AsPh3) Arturo L. Casado and Pablo Espinet pp 8978–8985 DOI: 10.1021/ja9742388 Supporting Info

Three Polymorphs of 2-Amino-5-nitropyrimidine:  Experimental Structures and Theoretical Predictions Christer B. Aakeröy, Mark Nieuwenhuyzen, and Sarah L. Price pp 8986–8993 DOI: 10.1021/ja981122i Supporting Info

Probing the Scope of the Asymmetric Dihydroxylation of Polymer-Bound Olefins. Monitoring by HRMAS NMR Allows for Reaction Control and On-Bead Measurement of Enantiomeric Excess Rainer Riedl, Robert Tappe, and Albrecht Berkessel pp 8994–9000 DOI: 10.1021/ja980183d

Modeling the Diiron Centers of Non-Heme Iron Enzymes. Preparation of Sterically Hindered Diiron(II) Tetracarboxylate Complexes and Their Reactions with Dioxygen Daniel D. LeCloux, Amy M. Barrios, Tadashi J. Mizoguchi, and Stephen J. Lippard pp 9001–9014 DOI: 10.1021/ja981216s Supporting Info

Syntheses, Structures, and Reactivities of Cobalt(III)−Alkylperoxo Complexes and Their Role in Stoichiometric and Catalytic Oxidation of Hydrocarbons Ferman A. Chavez, John M. Rowland, Marilyn M. Olmstead, and Pradip K. Mascharak pp 9015–9027 DOI: 10.1021/ja9814873 Supporting Info

Deprotonation and Oxidation of the WCCH2−W Bridge To Form a C2-Biscarbyne WC−CW Bridge B. E. Woodworth, P. S. White, and J. L. Templeton pp 9028–9033 DOI: 10.1021/ja980226q Supporting Info

Disproportionation of Nitric Oxide Promoted by a Mn Tropocoronand Katherine J. Franz and Stephen J. Lippard pp 9034–9040 DOI: 10.1021/ja981410e Supporting Info

Mechanism of Ozone Decomposition on a Manganese Oxide Catalyst. 1. In Situ Raman Spectroscopy and Ab Initio Molecular Orbital Calculations Wei Li, G. V. Gibbs, and S. Ted Oyama pp 9041–9046 DOI: 10.1021/ja981441+

Mechanism of Ozone Decomposition on a Manganese Oxide Catalyst. 2. Steady-State and Transient Kinetic Studies Wei Li and S. Ted Oyama pp 9047–9052 DOI: 10.1021/ja9814422

Density-Functional Approach to Hardness Evaluation and Its Use in the Study of the Maximum Hardness Principle T. Mineva, E. Sicilia, and N. Russo pp 9053–9058 DOI: 10.1021/ja974149v

A Characterization of the Linear P−O−P Bonds in M4+(P2O7) Compounds:  Bond-Angle Determination by Solid-State NMR Robbie J. Iuliucci and Beat H. Meier pp 9059–9062 DOI: 10.1021/ja980594u

Unraveling the Electronic and Vibrational Contributions to Deuterium Isotope Effects on 13C Chemical Shifts Using ab Initio Model Calculations. Analysis of the Observed Isotope Effects on Sterically Perturbed Intramolecular Hydrogen-Bonded o-Hydroxy Acyl Aromatics Jens Abildgaard, Simon Bolvig, and Poul Erik Hansen pp 9063–9069 DOI: 10.1021/ja9809051 Supporting Info

Synthesis of a Novel Dendritic Liquid Crystalline Polymer Showing a Ferroelectric SmC* Phase P. Busson, H. Ihre, and A. Hult pp 9070–9071 DOI: 10.1021/ja9813562

Tuning the Selectivity of Monoamine Transporter Inhibitors by the Stereochemistry of the Nitrogen Lone Pair Miles P. Smith, Kenneth M. Johnson, Mei Zhang, Judith L. Flippen-Anderson, and Alan P. Kozikowski pp 9072–9073 DOI: 10.1021/ja981423s Supporting Info

A Catalytic Enantioselective Approach to Chromans and Chromanols. A Total Synthesis of (−)-Calanolides A and B and the Vitamin E Nucleus Barry M. Trost and F. Dean Toste pp 9074–9075 DOI: 10.1021/ja981142k Supporting Info

Rules of Stereoselectivity in Tandem Oxidative Polycyclization Reaction with Rhenium(VII) Oxides Santosh C. Sinha, Ehud Keinan, and Subhash C. Sinha pp 9076–9077 DOI: 10.1021/ja981324e Supporting Info

Polynaphthalene Networks from Bisphenols Dennis W. Smith, Jr., David A. Babb, R. Vernon Snelgrove, Paul H. Townsend, III, and Steven J. Martin pp 9078–9079 DOI: 10.1021/ja981572a Supporting Info

EPR and Electronic Absorption Spectroscopies of the CO-Sensing CooA Protein Reveal a Cysteine-Ligated Low-Spin Ferric Heme Mark F. Reynolds, Daniel Shelver, Robert L. Kerby, Ryan B. Parks, Gary P. Roberts, and Judith N. Burstyn pp 9080–9081 DOI: 10.1021/ja981146p Supporting Info

Structure and Transport Properties of a Novel, Heavily Fluorinated Carbohydrate Analogue Hong Woo Kim, Paolo Rossi, Richard K. Shoemaker, and Stephen G. DiMagno pp 9082–9083 DOI: 10.1021/ja9803714 Supporting Info

Asymmetric Total Synthesis of Callystatin A:  Asymmetric Aldol Additions with Titanium Enolates of Acyloxazolidinethiones Michael T. Crimmins and Bryan W. King pp 9084–9085 DOI: 10.1021/ja9817500 Supporting Info

Is the CD Exciton Chirality Method Applicable to Chiral 1,1‘-Biphenanthryl Compounds? Tetsutaro Hattori, Kenta Sakurai, Nobuyuki Koike, and Sotaro MiyanoHitoshi Goto, Fuyuka Ishiya, and Nobuyuki Harada pp 9086–9087 DOI: 10.1021/ja981797l Supporting Info

Photochemistry of 2,4-Bis(diazo)-1,2,3,4-tetrahydro- naphthalene-1,3-dione:  Selective Photodecomposition of One of the Two Inequivalent Diazo Groups Shigeru Murata, Junko Kobayashi, Chiharu Kongou, Mamoru Miyata, Takeshi Matsushita, and Hideo Tomioka pp 9088–9089 DOI: 10.1021/ja981343o Supporting Info

Energetic Superiority of Two-Center Hydrogen Bonding Relative To Three-Center Hydrogen Bonding in a Model System Jihong Yang and Samuel H. Gellman pp 9090–9091 DOI: 10.1021/ja981604u Supporting Info

Self-Assembly Mediated by the Donor−Donor−Acceptor·Acceptor−Acceptor−Donor (DDA·AAD) Hydrogen-Bonding Motif:  Formation of a Robust Hexameric Aggregate Sergei V. Kolotuchin and Steven C. Zimmerman pp 9092–9093 DOI: 10.1021/ja981862r Supporting Info

Chemical Exchange in Diffusion NMR Experiments Aidi Chen, Charles S. Johnson, Jr., Melissa Lin, and Michael J. Shapiro pp 9094–9095 DOI: 10.1021/ja9809410

Dissecting the Evolutionary Relationship between 14-Membered and 16-Membered Macrolides John R. Jacobsen, David E. Cane, and Chaitan Khosla pp 9096–9097 DOI: 10.1021/ja9819514 Supporting Info

Antihydrophobic Evidence for the Single Electron Transfer Mechanism of Nucleophilic Substitution M. Uljana Mayer and Ronald Breslow pp 9098–9099 DOI: 10.1021/ja982137j Supporting Info

Apparent 1,2-Silyl Migrations in Aromatic Carbenes Occur by Intermolecular Silyl Exchanges Stéphane Solé, Heinz Gornitzka, Olivier Guerret, and Guy Bertrand pp 9100–9101 DOI: 10.1021/ja980797i Supporting Info

Unexpected Barbier−Grignard Allylation of Aldehydes with Magnesium in Water Chao-Jun Li and Wen-Chun Zhang pp 9102–9103 DOI: 10.1021/ja981020s Supporting Info

Construction of Novel Polycyclic Ring Systems by Transition-Metal-Catalyzed Cycloisomerization of Ene−Ene−Ynes. Interception of a Carbenoid Intermediate in Skeletal Reorganization of Enynes Naoto Chatani, Ken Kataoka, and Shinji MuraiNaoyuki Furukawa and Yoshio Seki pp 9104–9105 DOI: 10.1021/ja981877p Supporting Info

Modulation of the Alignment Tensor of Macromolecules Dissolved in a Dilute Liquid Crystalline Medium Benjamin E. Ramirez and Ad Bax pp 9106–9107 DOI: 10.1021/ja982310b Supporting Info

Transition Metal Promoted Reactions of Boron Hydrides. 15.11 Titanium-Catalyzed Decaborane−Olefin Hydroborations:  One-Step, High-Yield Syntheses of Monoalkyldecaboranes Mark J. Pender, Thomas Wideman, Patrick J. Carroll, and Larry G. Sneddon pp 9108–9109 DOI: 10.1021/ja981622b Supporting Info

Subtle Functional Interactions in the RNA Minor Groove at a Nonessential Base Pair Barry S. Henderson, Penny J. Beuning, J.-P. Shi, Rolf Bald, Jens Peter Fürste, Volker A. Erdmann, Karin Musier-Forsyth, and Paul Schimmel pp 9110–9111 DOI: 10.1021/ja9809152

Enantioselective Resolving Resins from a Combinatorial Library. Kinetic Resolution of Cyclic Amino Acid Derivatives M. David Weingarten, Klara Sekanina, and W. Clark Still pp 9112–9113 DOI: 10.1021/ja981447z Supporting Info

Use of X-ray Co-crystal Structures and Molecular Modeling To Design Potent and Selective Non-peptide Inhibitors of Cathepsin K Renee L. DesJarlais, Dennis S. Yamashita, Hye-Ja Oh, Irene N. Uzinskas, Karl F. Erhard, Andrew C. Allen, R. Curtis Haltiwanger, Baoguang Zhao, Ward W. Smith, Sherin S. Abdel-Meguid, Karla D'Alessio, Cheryl A. Janson, Michael S. McQueney, Thaddeus A. Tomaszek, Mark A. Levy, and Daniel F. Veber pp 9114–9115 DOI: 10.1021/ja981171v Supporting Info

A New Class of Fluorinated Polymers by a Mild, Selective, and Quantitative Fluorination J. Am. Chem. Soc. 1998, 120, 6830−6831 Yu Ren, Timothy P. Lodge, and Marc A. Hillmyer p 9116 DOI: 10.1021/ja985516l

Reviews in Computational Chemistry. Volume 11 Edited by Kenny B. Lipkowitz and Donald B. Boyd (Indiana University-Purdue University at Indianapolis). Wiley/VCH:  New York. 1997. xxiv + 431 pp. $120.00. ISBN 0-471-19248-1. Melissa S. Reeves pp 9116–9117 DOI: 10.1021/ja975690u

Foundations of Modern Biochemistry. Volume 3. Further Milestones in Biochemistry Edited by Margery G. Ord and Lloyd A. Stocken (Oxford University). Jai Press:  Greenwich and London. 1997. x + 346 pp. $109.50. ISBN 0-7623-0078-7. Diana S. Beattie p 9117 DOI: 10.1021/ja975650q

Hydrogen Bonding:  A Theoretical Perspective By Steve Scheiner (Southern Illinois University). Oxford University Press:  New York. 1997. xix + 375 pp. $85.00. ISBN 0-19-509011-X. Charles L. Perrin pp 9117–9118 DOI: 10.1021/ja9756735

Progress in Inorganic Chemistry, Volume 45 Edited by Kenneth D. Karlin (Johns Hopkins University). Wiley and Sons:  New York. 1996. vii + 510 pp. $125.00. ISBN 0-471-16357-0. Edwin H. Abbott p 9118 DOI: 10.1021/ja965798u

Industrial Enzymes and Their Applications By Helmut Uhlig. Wiley:  New York. 1998. xii + 454 pp. $94.95. ISBN 0-471-19660-6. Thomas P. West p 9118 DOI: 10.1021/ja9856708

Issue 36

Regioselective, Directed Meta Acylation of Aromatic Compounds Shuji Akai, Andrew J. Peat, and Stephen L. Buchwald pp 9119–9125 DOI: 10.1021/ja981508t

Long-Range Chiral Induction in Chemical Systems with Helical Organization. Promesogenic Monomers in the Formation of Poly(isocyanide)s and in the Organization of Liquid Crystals David B. Amabilino, Elena Ramos, José-Luis Serrano, Teresa Sierra, and Jaume Veciana pp 9126–9134 DOI: 10.1021/ja980474m Supporting Info

Reductive Coupling of Carbonyl Ligands on a Cubane-Type Tetrairon Cluster [Cp4Fe4(CO)4] or [(MeC5H4)4Fe4(CO)4] To Give an Acetylene-Coordinated Cluster [Cp4Fe4(HCCH)2] or [(MeC5H4)4Fe4(HCCH)2] Masaaki Okazaki, Takeo Ohtani, Shinji Inomata, Naohiko Tagaki, and Hiroshi Ogino pp 9135–9138 DOI: 10.1021/ja980669u Supporting Info

A Systematic Evaluation of the Bleomycin A2 l-Threonine Side Chain:  Its Role in Preorganization of a Compact Conformation Implicated in Sequence-Selective DNA Cleavage Dale L. Boger, Timothy M. Ramsey, Hui Cai, Silvia T. Hoehn, and JoAnne Stubbe pp 9139–9148 DOI: 10.1021/ja9816638 Supporting Info

Definition of the Effect and Role of the Bleomycin A2 Valerate Substituents:  Preorganization of a Rigid, Compact Conformation Implicated in Sequence-Selective DNA Cleavage Dale L. Boger, Timothy M. Ramsey, Hui Cai, Silvia T. Hoehn, and JoAnne Stubbe pp 9149–9158 DOI: 10.1021/ja9816640 Supporting Info

Molecular Basis for Protein Kinase C Isozyme-Selective Binding:  The Synthesis, Folding, and Phorbol Ester Binding of the Cysteine-Rich Domains of All Protein Kinase C Isozymes Kazuhiro Irie, Kentaro Oie, Akifumi Nakahara, Yoshiaki Yanai, Hajime Ohigashi, Paul A. Wender, Hiroyuki Fukuda, Hiroaki Konishi, and Ushio Kikkawa pp 9159–9167 DOI: 10.1021/ja981087f Supporting Info

Self-Organization of Rod−Coil Molecules with Layered Crystalline States into Thermotropic Liquid Crystalline Assemblies Myongsoo Lee, Byoung-Ki Cho, Heesub Kim, Ju-Young Yoon, and Wang-Cheol Zin pp 9168–9179 DOI: 10.1021/ja980654w Supporting Info

Design and Optimization of New Phosphine Oxazoline Ligands via High-Throughput Catalyst Screening Alexander M. Porte, Joe Reibenspies, and Kevin Burgess pp 9180–9187 DOI: 10.1021/ja981217k Supporting Info

Stilbenoid Dimers:  Dissection of a Paracyclophane Chromophore Guillermo C. Bazan, Warren J. Oldham, Jr., Rene J. Lachicotte, Sergei Tretiak, Vladimir Chernyak, and Shaul Mukamel pp 9188–9204 DOI: 10.1021/ja973816h Supporting Info

Carbon−Sulfur Bond-Forming Reductive Elimination Involving sp-, sp2-, and sp3-Hybridized Carbon. Mechanism, Steric Effects, and Electronic Effects on Sulfide Formation Grace Mann, David Baranano, John F. Hartwig, Arnold L. Rheingold, and Ilia A. Guzei pp 9205–9219 DOI: 10.1021/ja981428p Supporting Info

Formation of C60 Adducts with Two Different Alkyl Groups via Combination of Electron Transfer and SN2 Reactions Shunichi Fukuzumi, Tomoyoshi Suenobu, Takeomi Hirasaka, Ryuichi Arakawa, and Karl M. Kadish pp 9220–9227 DOI: 10.1021/ja9815430

Ruthenium-Catalyzed Alder Ene Type Reactions. A Formal Synthesis of Alternaric Acid Barry M. Trost, Gary D. Probst, and Andreas Schoop pp 9228–9236 DOI: 10.1021/ja981540n Supporting Info

X-ray Spectroscopy of Nitric Oxide Binding to Iron in Inactive Nitrile Hydratase and a Synthetic Model Compound Robert C. Scarrow, Brent S. Strickler, Jeffrey J. Ellison, Steven C. Shoner, Julie A. Kovacs, John G. Cummings, and Mark J. Nelson pp 9237–9245 DOI: 10.1021/ja973291t Supporting Info

Models for Verdoheme Hydrolysis. Paramagnetic Products from the Ring Opening of Verdohemes, 5-Oxaporphyrin Complexes of Iron(II), with Methoxide Ion Richard Koerner, Lechosoław Latos-Grażyński, and Alan L. Balch pp 9246–9255 DOI: 10.1021/ja980558v Supporting Info

Thermodynamics of Addition of H2, CO, N2, and C−H Bonds to M(PiPr3)2Cl (M = Ir, Rh). An Unprecedented Metal−Carbonyl Bond Strength Glen P. Rosini, Fuchen Liu, Karsten Krogh-Jespersen, Alan S. Goldman, Chunbang Li, and Steven P. Nolan pp 9256–9266 DOI: 10.1021/ja974100p Supporting Info

Highly Efficient Utilization of Hydrogen Peroxide for Selective Oxygenation of Alkanes Catalyzed by Diiron-Substituted Polyoxometalate Precursor Noritaka Mizuno, Chika Nozaki, Ikuro Kiyoto, and Makoto Misono pp 9267–9272 DOI: 10.1021/ja980006c

Reaction Chemistry of Sterically Crowded Tris(pentamethylcyclopentadienyl)samarium1 William J. Evans, Kevin J. Forrestal, and Joseph W. Ziller pp 9273–9282 DOI: 10.1021/ja9809859 Supporting Info

Mechanism of Nucleophilic Attack on 1- and 2-Bromo(π-allyl)palladium Complexes1 Michael G. Organ, Michael Miller, and Zissis Konstantinou pp 9283–9290 DOI: 10.1021/ja9801442 Supporting Info

Pillared Derivatives of γ-Zirconium Phosphate Containing Nonrigid Alkyl Chain Pillars G. Alberti, S. Murcia-Mascarós, and R. Vivani pp 9291–9295 DOI: 10.1021/ja981565m

Tethered Monolayers of Poly((N-pyrrolyl)alkanethiol) on Au Robin L. McCarley and Robert J. Willicut pp 9296–9304 DOI: 10.1021/ja981677d

Carbon-13 Chemical Shift Tensors in Polycyclic Aromatic Compounds. 7.1 Symmetry Augmented Chemical Shift−Chemical Shift Correlation Spectroscopy and Single Crystal Study of Triphenylene Robbie J. Iuliucci, Cu G. Phung, Julio C. Facelli, and David M. Grant pp 9305–9311 DOI: 10.1021/ja972468g

Unusual Rocking Freedom of the Heme in the Hydrogen Sulfide-Binding Hemoglobin from Lucina pectinata José F. Cerda-Colón, Eilyn Silfa, and Juan López-Garriga pp 9312–9317 DOI: 10.1021/ja972654m

The Mechanism of the Slippage Approach to Rotaxanes. Origin of the “All-or-Nothing” Substituent Effect Françisco M. Raymo, K. N. Houk, and J. Fraser Stoddart pp 9318–9322 DOI: 10.1021/ja9806229

The C4H6•+ Potential Energy Surface. 1. The Ring-Opening Reaction of Cyclobutene Radical Cation and Related Rearrangements G. Narahari Sastry, Thomas Bally, Vojtech Hrouda, and Petr Cársky pp 9323–9334 DOI: 10.1021/ja981651m Supporting Info

Reconstitution of Apo-Glucose Oxidase on Nitrospiropyran and FAD Mixed Monolayers on Gold Electrodes:  Photostimulation of Bioelectrocatalytic Features of the Biocatalyst Ron Blonder, Itamar Willner, and Andreas F. Bückmann pp 9335–9341 DOI: 10.1021/ja981126n

The First Carbonyl Bond Dissociation Energies of M(CO)5 and M(CO)4(C2H2) (M = Fe, Ru, and Os):  The Role of the Acetylene Ligand from a Density Functional Perspective Stephen A. Decker and Mariusz Klobukowski pp 9342–9355 DOI: 10.1021/ja981197m Supporting Info

Accelerating the Kinetics of Thiol Self-Assembly on GoldA Spatial Confinement Effect Song Xu, Paul E. Laibinis, and Gang-yu Liu pp 9356–9361 DOI: 10.1021/ja981938j

A Baeyer−Villiger Approach to 18O-Labeled Peroxides:  A Protected Form of Unsymmetrically Labeled Hydrogen Peroxide Jennifer L. Allen, Kevin P. Paquette, and Ned A. Porter pp 9362–9363 DOI: 10.1021/ja982113c Supporting Info

From Dodecahedrapentaene to the “[n]Trannulenes”. A New In-Plane Aromatic Family Andrey A. Fokin, Haijun Jiao, and Paul von R. Schleyer pp 9364–9365 DOI: 10.1021/ja9810437 Supporting Info

COSY Cross-Peaks from 1H−1H Dipolar Couplings in NMR Spectra of Field Oriented Oligosaccharides P. J. Bolon and J. H. Prestegard pp 9366–9367 DOI: 10.1021/ja982014z

Sequence Selective Cleavage of a DNA Octanucleotide by Chlorinated Bithiazoles and Bleomycins Guy Zuber, James C. Quada, Jr., and Sidney M. Hecht pp 9368–9369 DOI: 10.1021/ja981937r Supporting Info

Electronic Structure of the Chromophore in Green Fluorescent Protein (GFP) Gerold Bublitz, Brett A. King, and Steven G. Boxer pp 9370–9371 DOI: 10.1021/ja981606e

Bond Stretch Isomerism Still Elusive in Linear Trimetallic Complexes. DFT Calculations on Co3(dipyridylamine)4Cl2 Marie-Madeleine Rohmer and Marc Bénard pp 9372–9373 DOI: 10.1021/ja981400d

Biosynthesis of Desosamine:  Molecular Evidence Suggesting β-Glucosylation as a Self-Resistance Mechanism in Methymycin/Neomethymycin Producing Strain, Streptomyces venezuelae Lishan Zhao, David H. Sherman, and Hung-wen Liu pp 9374–9375 DOI: 10.1021/ja981500j

Synthesis, Structure, and Reactivity of a Remarkable Iron Sulfide:  (TACN)2Fe2S6 Andrew C. Moreland and Thomas B. Rauchfuss pp 9376–9377 DOI: 10.1021/ja981388p Supporting Info

Intramolecular [4 + 2] Cycloaddition Reactions of Conjugated Ynones. Formation of Polycyclic Furans via the Generation and Rearrangement of Strained Heterocyclic Allenes Melanie S. B. Wills and Rick L. Danheiser pp 9378–9379 DOI: 10.1021/ja9819209 Supporting Info

Crystal Structure of the Antiarthritic Drug Gold Thiomalate (Myochrysine):  A Double-Helical Geometry in the Solid State Robert Bau pp 9380–9381 DOI: 10.1021/ja9819763 Supporting Info

Inhibition of the NMC-A β-Lactamase by a Penicillanic Acid Derivative and the Structural Bases for the Increase in Substrate Profile of This Antibiotic Resistance Enzyme Lionel Mourey, Kazuyuki Miyashita, Peter Swarén, Alexey Bulychev, Jean-Pierre Samama, and Shahriar Mobashery pp 9382–9383 DOI: 10.1021/ja9817996 Supporting Info

Reversible Ethylene Cycloaddition Reactions of Cationic Aluminum β-Diketiminate Complexes Catherine E. Radzewich, Martyn P. Coles, and Richard F. Jordan pp 9384–9385 DOI: 10.1021/ja9818405 Supporting Info

A Predicted Spectrum of HCS, an Intermediate in the Production of the Sulfur Compounds Observed in the Collision of Comet Shoemaker-Levy 9 with Jupiter Dennis J. Clouthier and Roger S. Grev pp 9386–9387 DOI: 10.1021/ja981817j

Carbene Complexes from Olefins, Using RuHCl(PiPr3)2. Influence of the Olefin Substituent Joseph N. Coalter III, Greg J. Spivak, Hélène Gérard, Eric Clot, Ernest R. Davidson, Odile Eisenstein, and Kenneth G. Caulton pp 9388–9389 DOI: 10.1021/ja980518r Supporting Info

Diffusion of Block Copolymers in Liquid CO2:  Evidence of Self-Assembly from Pulsed Field Gradient NMR Judith B. Cain, Kewei Zhang, Douglas E. Betts, Joseph M. DeSimone, and Charles S. Johnson, Jr. pp 9390–9391 DOI: 10.1021/ja981328j

Experimental Support for the Primary Stereoelectronic Effect Governing Baeyer−Villiger Oxidation and Criegee Rearrangement Richard M. Goodman and Yoshito Kishi pp 9392–9393 DOI: 10.1021/ja982188g Supporting Info

Altering Diffusivity in Biological Solutions through Modification of Solution Structure and Dynamics Keith E. Laidig, John L. Gainer, and Valerie Daggett pp 9394–9395 DOI: 10.1021/ja981656j

Stable, Monolayer-Protected Metal Alloy Clusters Michael J. Hostetler, Chuan-Jian Zhong, Brian K. H. Yen, Jim Anderegg, Stephen M. Gross, Neal D. Evans, Marc Porter, and Royce W. Murray pp 9396–9397 DOI: 10.1021/ja981454n Supporting Info

Tetraacetylethane Dianion (Tae) As a Bridging Ligand for Molecular Square Complexes:  CoII4(Tae)4(Dpa)4, Dpa = Di-2-pyridylamine, a Chiral Molecular Square in the Solid State Yousheng Zhang, Suning Wang, Gary D. Enright, and Steven R. Breeze pp 9398–9399 DOI: 10.1021/ja974108z Supporting Info

A Catalytic Enantioselective Approach to Chromans and Chromanols. A Total Synthesis of (−)-Calanolides A and B and the Vitamin E Nucleus J. Am. Chem. Soc. 1998, 120, 9074−9075 Barry M. Trost and F. Dean Toste p 9400 DOI: 10.1021/ja985519y

Comprehensive Chemical Kinetics. Volume 35:  Low-Temper-ature Combustion and Autoignition Series editors:  R. G. Compton and G. Hancock (Oxford University).  Volume editor:  M. J. Pilling (University of Leeds). Elsevier:  New York. 1997. xxvii + 794 pp. $497.00. ISBN 0-444-82485-5. John F. Hershberger p 9400 DOI: 10.1021/ja985633g

Issue 37

Continuum Solvent Studies of the Stability of DNA, RNA, and Phosphoramidate−DNA Helices Jayashree Srinivasan, Thomas E. Cheatham, III, Piotr Cieplak, Peter A. Kollman, and David A. Case pp 9401–9409 DOI: 10.1021/ja981844+

Small Molecule Binding to the Mixed-Valent Diiron Center of Methane Monooxygenase Hydroxylase from Methylococcus capsulatus (Bath) as Revealed by ENDOR Spectroscopy Jean-Paul Willems, Ann M. Valentine, Ryszard Gurbiel, Stephen J. Lippard, and Brian M. Hoffman pp 9410–9416 DOI: 10.1021/ja980795y

H-Phosphonate Approach for Solid-Phase Synthesis of Oligodeoxyribonucleoside Boranophosphates and Their Characterization Dmitri S. Sergueev and Barbara Ramsay Shaw pp 9417–9427 DOI: 10.1021/ja9814927 Supporting Info

A Single-Crystal 59Co NMR Study of Vitamin B12 William P. Power, Christopher W. Kirby, and Nicholas J. Taylor pp 9428–9434 DOI: 10.1021/ja980659t

Conformational Preferences of RNase A C-Peptide Derivatives Containing a Highly Constrained Analogue of Phenylalanine Destardi Moye-Sherman, Song Jin, Inhye Ham, Dongyeol Lim, J. Martin Scholtz, and Kevin Burgess pp 9435–9443 DOI: 10.1021/ja981153d Supporting Info

Structural Comparison of Homologous Reduced Peptide, Reduced Azapeptide, Iminoazapeptide, and Methyleneoxypeptide Analogues R. Vanderesse, V. Grand, D. Limal, A. Vicherat, M. Marraud, C. Didierjean, and A. Aubry pp 9444–9451 DOI: 10.1021/ja980937o Supporting Info

β-Turn Preferences Induced by 2,3-Methanophenylalanine Chirality A. I. Jiménez, C. Cativiela, A. Aubry, and M. Marraud pp 9452–9459 DOI: 10.1021/ja9807439 Supporting Info

Comparative Effects of Substrates and Pterin Cofactor on the Heme Midpoint Potential in Inducible and Neuronal Nitric Oxide Synthases Anthony Presta, Anne M. Weber-Main, Marian T. Stankovich, and Dennis J. Stuehr pp 9460–9465 DOI: 10.1021/ja9740374

Activation Parameters for the Carbon−Cobalt Bond Homolysis of Coenzyme B12 Induced by the B12-Dependent Ribonucleotide Reductase from Lactobacillus leichmannii Kenneth L. Brown and Jing Li pp 9466–9474 DOI: 10.1021/ja981729z

One-Step Biocatalytic Synthesis of Linear Polyesters with Pendant Hydroxyl Groups Billie J. Kline, Eric J. Beckman, and Alan J. Russell pp 9475–9480 DOI: 10.1021/ja9808907

Soluble Supports Tailored for Organic Synthesis:  Parallel Polymer Synthesis via Sequential Normal/Living Free Radical Processes Dennis J. Gravert, Anita Datta, Paul Wentworth Jr., and Kim D. Janda pp 9481–9495 DOI: 10.1021/ja980241v

α-Sulfonyl Carbanions:  Combined Kinetic, Thermodynamic, and NMR Approaches for the Study of the Ionization of Benzyltriflones in Me2SO and H2O−Me2SO Mixtures F. Terrier, E. Kizilian, R. Goumont, N. Faucher, and C. Wakselman pp 9496–9503 DOI: 10.1021/ja9806074 Supporting Info

Substituent Effects on the Reactivity of the Silicon−Carbon Double Bond. Resonance, Inductive, and Steric Effects of Substituents at Silicon on the Reactivity of Simple 1-Methylsilenes William J. Leigh, Rabah Boukherroub, and Corinna Kerst pp 9504–9512 DOI: 10.1021/ja981435d Supporting Info

MCPBA Epoxidation of Alkenes:  Reinvestigation of Correlation between Rate and Ionization Potential Cheal Kim, Teddy G. Traylor, and Charles L. Perrin pp 9513–9516 DOI: 10.1021/ja981531e

Million-Fold Acceleration of a Diels−Alder Reaction due to Combined Lewis Acid and Micellar Catalysis in Water Sijbren Otto, Jan B. F. N. Engberts, and Jan C. T. Kwak pp 9517–9525 DOI: 10.1021/ja9816537 Supporting Info

Supramolecular Liquid Crystals. Self-Assembly of a Trimeric Supramolecular Disk and Its Self-Organization into a Columnar Discotic Mesophase Mauricio Suárez, Jean-Marie Lehn, Steven C. Zimmerman, Antoine Skoulios, and Benoit Heinrich pp 9526–9532 DOI: 10.1021/ja981722h

Self-Assembly of a Novel Organometallic−Inorganic Block Copolymer in Solution and the Solid State:  Nonintrusive Observation of Novel Wormlike Poly(ferrocenyldimethylsilane)-b-Poly(dimethylsiloxane) Micelles Jason Massey, K. Nicole Power, Ian Manners, and Mitchell A. Winnik pp 9533–9540 DOI: 10.1021/ja981803d

Synthesis, Structure, and Properties of a Helical Columnar Liquid Crystal Colin Nuckolls and Thomas J. Katz pp 9541–9544 DOI: 10.1021/ja982025s

Nanocluster Formation Synthetic, Kinetic, and Mechanistic Studies. The Detection of, and Then Methods To Avoid, Hydrogen Mass-Transfer Limitations in the Synthesis of Polyoxoanion- and Tetrabutylammonium-Stabilized, Near-Monodisperse 40 ± 6 Å Rh(0) Nanoclusters John D. Aiken III and Richard G. Finke pp 9545–9554 DOI: 10.1021/ja9719485 Supporting Info

Bent vs Linear Metallocenes Involving C5Me5 vs C8H8 Ligands:  Synthesis, Structure, and Reactivity of the Triple-Decked (C5Me5)(THF)xSm(C8H8)Sm(THF)x(C5Me5) (x = 0, 1) Complexes Including a Formal Two-Electron Oxidative Addition to a Single Lanthanide Metal Center1 William J. Evans, Robert D. Clark, Mohammad A. Ansari, and Joseph W. Ziller pp 9555–9563 DOI: 10.1021/ja980735s Supporting Info

Oxidant-Induced Hydride Abstraction from [Pt(μ-PBut2)(H)(PBut2H)]2 Yielding [Pt2(μ-PBut2)2(H)(PBut2H)2]C3(CN)5. Spectroscopic, Crystallographic, and Theoretical Comparison of the Structures of Two “Tautomers” Piero Leoni, Marco Pasquali, Alessandro Fortunelli, Guido Germano, and Alberto Albinati pp 9564–9573 DOI: 10.1021/ja980932r Supporting Info

Mechanisms of Decomposition of Aryl N-(Methoxycarbonyl)sulfamates in Aqueous Media Patrick Blans and Alain Vigroux pp 9574–9583 DOI: 10.1021/ja981014w Supporting Info

Size-Selective and Epitaxial Electrochemical/Chemical Synthesis of Sulfur-Passivated Cadmium Sulfide Nanocrystals on Graphite S. Gorer, J. A. Ganske, J. C. Hemminger, and R. M. Penner pp 9584–9593 DOI: 10.1021/ja981676l

Low-Valent Ditantalum Complex Ta2(μ-BH3)(μ-dmpm)3(η2-BH4)2:  First Dinuclear Compound Containing a Bridging BH3 Group with Direct Ta−B Bonds F. Albert Cotton, Carlos A. Murillo, and Xiaoping Wang pp 9594–9599 DOI: 10.1021/ja9817242 Supporting Info

Computer Simulation of Crystallization from Solution Jamshed Anwar and Papa Kofi Boateng pp 9600–9604 DOI: 10.1021/ja972750n

Activation Energies for Dissociation of Double Strand Oligonucleotide Anions:  Evidence for Watson−Crick Base Pairing in Vacuo Paul D. Schnier, John S. Klassen, Eric F. Strittmatter, and Evan R. Williams pp 9605–9613 DOI: 10.1021/ja973534h

Formation of Redox-Active, Two-Component Films by Electrochemical Reduction of C60 and Transition Metal Complexes Alan L. Balch, David A. Costa, and Krzysztof Winkler pp 9614–9620 DOI: 10.1021/ja9805526

Spectroscopic and Geometric Variations in Perturbed Blue Copper Centers:  Electronic Structures of Stellacyanin and Cucumber Basic Protein Louis B. LaCroix, David W. Randall, Aram M. Nersissian, Carla W. G. Hoitink, Gerard W. Canters, Joan S. Valentine, and Edward I. Solomon pp 9621–9631 DOI: 10.1021/ja980606b Supporting Info

NMR Study of Intramolecular Interactions between Aromatic Groups:  Van der Waals, Charge-Transfer, or Quadrupolar Interactions? Nicholas J. Heaton, Pablo Bello, Bernardo Herradón, Aránzazu del Campo, and Jesús Jiménez-Barbero pp 9632–9645 DOI: 10.1021/ja980528s Supporting Info

Electrochemistry and Electrogenerated Chemiluminescence Processes of the Components of Aluminum Quinolate/Triarylamine, and Related Organic Light-Emitting Diodes J. D. Anderson, E. M. McDonald, P. A. Lee, M. L. Anderson, E. L. Ritchie, H. K. Hall, T. Hopkins, E. A. Mash, J. Wang, A. Padias, S. Thayumanavan, S. Barlow, S. R. Marder, G. E. Jabbour, S. Shaheen, B. Kippelen, N. Peyghambarian, R. M. Wightman, and N. R. Armstrong pp 9646–9655 DOI: 10.1021/ja980707+

Conformational Diversity of [d-Pen2,d-Pen5]Enkephalin as Studied by Magic-Angle Spinning Liquid-Crystal NMR Spectroscopy and Multiconformational Analysis Atsuomi Kimura, Kenji Takamoto, and Hideaki Fujiwara pp 9656–9661 DOI: 10.1021/ja981030t

Mixed Self-assembled Monolayers of Rigid Biphenyl Thiols:  Impact of Solvent and Dipole Moment Jung F. Kang, Sheng Liao, Rainer Jordan, and Abraham Ulman pp 9662–9667 DOI: 10.1021/ja981187l

Size-Dependent Molecular Dissociation on Mass-Selected, Supported Metal Clusters U. Heiz, F. Vanolli, A. Sanchez, and W.-D. Schneider pp 9668–9671 DOI: 10.1021/ja981181w

Conformational Complexity of Succinic Acid and Its Monoanion in the Gas Phase and in Solution:  Ab Initio Calculations and Monte Carlo Simulations Daniel J. Price, John D. Roberts, and William L. Jorgensen pp 9672–9679 DOI: 10.1021/ja9812397 Supporting Info

Synthesis of Bifunctional Photorefractive Polymers with Net Gain:  Design Strategy Amenable to Combinatorial Optimization Matthew S. Bratcher, Michael S. DeClue, Anders Grunnet-Jepsen, Daniel Wright, Barry R. Smith, W. E. Moerner, and Jay S. Siegel pp 9680–9681 DOI: 10.1021/ja981473x

Sr3ARhO6 (A = Li, Na):  Crystallization of a Rhodium(V) Oxide from Molten Hydroxide Barbara A. Reisner and Angelica M. Stacy pp 9682–9683 DOI: 10.1021/ja974231q

Distinct Metal Environment in Fe-Substituted Manganese Superoxide Dismutase Provides a Structural Basis of Metal Specificity Ross A. Edward, Mei M. Whittaker, James W. Whittaker, Geoffrey B. Jameson, and Edward N. Baker pp 9684–9685 DOI: 10.1021/ja981072h

Novel 1,2-Rearrangement of Porphyrinatorhodium(III) Alkyls: Cis β-Hydride Elimination/Olefin Metal−Hydride Insertion Pathway Kin Wah Mak and Kin Shing Chan pp 9686–9687 DOI: 10.1021/ja9808548 Supporting Info

A Model Structure for the Resting State of Cyanocuprate Reagents R2Cu(CN)Li2. The X-ray Crystal Structure of [Ar2Cu(CN)Li2(THF)4]∞1 Claudia M. P. Kronenburg, Johann T. B. H. Jastrzebski, Anthony L. Spek, and Gerard van Koten pp 9688–9689 DOI: 10.1021/ja9802448 Supporting Info

The Reaction of (Trialkylsilyl)vinylketenes with Carbenoid Reagents:  A New [4+1] Annulation Route to Cyclopentenones Jennifer L. Loebach, Dawn M. Bennett, and Rick L. Danheiser pp 9690–9691 DOI: 10.1021/ja982101r Supporting Info

Defining the Orientation of the 15N Shielding Tensor Using 15N NMR Relaxation Data for a Protein in Solution Jonathan Boyd and Christina Redfield pp 9692–9693 DOI: 10.1021/ja9815733 Supporting Info

Multiple Oxygenase Reactions in the Biosynthesis of Taxoids Wolfgang Eisenreich, Birgitta Menhard, Moung Sook Lee, Meinhart H. Zenk, and Adelbert Bacher pp 9694–9695 DOI: 10.1021/ja981353p

Heterobinucleating Ligand-Induced Structural and Chemical Variations in [(L)FeIII−O−CuII]+ μ-Oxo Complexes Honorio V. Obias, Gino P. F. van Strijdonck, Dong-Heon Lee, Martina Ralle, Ninian J. Blackburn, and Kenneth D. Karlin pp 9696–9697 DOI: 10.1021/ja9810989 Supporting Info

CDP-6-deoxy-6,6-difluoro-d-glucose:  A Mechanism-Based Inhibitor for CDP-d-glucose 4,6-Dehydratase Cheng-Wei T. Chang, Xuemei H. Chen, and Hung-wen Liu pp 9698–9699 DOI: 10.1021/ja982198h

Nanometer-Scale Patterning of Metals by Electrodeposition from an STM Tip in Air Francis P. Zamborini and Richard M. Crooks pp 9700–9701 DOI: 10.1021/ja9821955

Cobalt-Mediated Intermolecular Allyl/Alkyne [3 + 2 + 2] Cycloaddition Reactions. A Practical Metal Template for Convergent Synthesis of Functionalized Seven-Membered Rings Nola Etkin, Trevor L. Dzwiniel, Kathy E. Schweibert, and Jeffrey M. Stryker pp 9702–9703 DOI: 10.1021/ja982010u Supporting Info

Magnetic Circular Dichroism Study of the All-Ferrous [4Fe-4S] Cluster of the Fe-Protein of Azotobacter vinelandii Nitrogenase Sun Jae Yoo, Hayley C. Angove, Barbara K. Burgess, Eckard Münck, and Jim Peterson pp 9704–9705 DOI: 10.1021/ja981867o

Rhodopsin Emission in Real Time:  A New Aspect of the Primary Event in Vision Haik Chosrowjan, Noboru Mataga, Yutaka Shibata, Shuji Tachibanaki, Hideki Kandori, Yoshinori Shichida, Tetsuji Okada, and Tsutomu Kouyama pp 9706–9707 DOI: 10.1021/ja981659w

Synthesis, Structure and Coordination Chemistry of MoAs82- Bryan W. Eichhorn, Sundeep P. Mattamana, Donna R. Gardner, and James C. Fettinger pp 9708–9709 DOI: 10.1021/ja9820700 Supporting Info

Self-Association without Regard to Prototropy. A Heterocycle That Forms Extremely Stable Quadruply Hydrogen-Bonded Dimers Perry S. Corbin and Steven C. Zimmerman pp 9710–9711 DOI: 10.1021/ja981884d

Bipyrrole-Based [2]Catenane:  A New Type of Anion Receptor Andrei Andrievsky, Friedrich Ahuis, Jonathan L. Sessler, Fritz Vögtle, D. Gudat, and Mehdi Moini pp 9712–9713 DOI: 10.1021/ja980755u Supporting Info

5,5‘-Bis(dimesitylboryl)-2,2‘-bithiophene and 5,5‘‘-Bis(dimesitylboryl)-2,2‘:5‘,2‘‘-terthiophene as a Novel Family of Electron-Transporting Amorphous Molecular Materials Tetsuya Noda and Yasuhiko Shirota pp 9714–9715 DOI: 10.1021/ja9817343

Regioselectivity and Chemoselectivity Analysis of Oxazole and Thiazole Ring Formation by the Peptide-Heterocyclizing Microcin B17 Synthetase Using High-Resolution MS/MS Neil L. Kelleher, Peter J. Belshaw, and Christopher T. Walsh pp 9716–9717 DOI: 10.1021/ja9822097 Supporting Info

Two Distinct Electrophilic Oxidants Effect Hydroxyl- ation in Cytochrome P-450-Catalyzed Reactions Patrick H. Toy, Martin Newcomb, Minor J. Coon, and Alfin D. N. Vaz pp 9718–9719 DOI: 10.1021/ja981990f Supporting Info

Mo-Catalyzed Asymmetric Synthesis of Dihydrofurans. Catalytic Kinetic Resolution and Enantioselective Desymmetrization through Ring-Closing Metathesis Daniel S. La, John B. Alexander, Dustin R. Cefalo, David D. Graf, Amir H. Hoveyda, and Richard R. Schrock pp 9720–9721 DOI: 10.1021/ja9821089 Supporting Info

A Highly Active Catalyst for Palladium-Catalyzed Cross-Coupling Reactions:  Room-Temperature Suzuki Couplings and Amination of Unactivated Aryl Chlorides David W. Old, John P. Wolfe, and Stephen L. Buchwald pp 9722–9723 DOI: 10.1021/ja982250+ Supporting Info

Long-Range Triplet Energy Transfer between Metallointercalators Tethered to DNA:  Importance of Intercalation, Stacking, and Distance R. Erik Holmlin, Ricky T. Tong, and Jacqueline K. Barton pp 9724–9725 DOI: 10.1021/ja982187o Supporting Info

On the Mechanism of Matrix-Assisted Room Temperature Phosphorescence Christine A. Mitchell, Richard W. Gurney, Sei-Hum Jang, and Bart Kahr pp 9726–9727 DOI: 10.1021/ja981963p

A Guide to Materials Characterization and Chemical Analysis Edited by John P. Sibilia (Sibilia Associates Inc.). Wiley/VCH:  New York. 1997. $69.95. xii + 388 pp. ISBN 0-471-18633-3. Peter K. Dorhout p 9728 DOI: 10.1021/ja975697b

Issue 38

Triplex-Directed Interstrand DNA Cross-Linking by Diaziridinylquinone−Oligonucleotide Conjugates Michael W. Reed, Ansel Wald, and Rich B. Meyer pp 9729–9734 DOI: 10.1021/ja973819u

General Solid-Phase Synthesis Approach To Prepare Mechanism-Based Aspartyl Protease Inhibitor Libraries. Identification of Potent Cathepsin D Inhibitors Christina E. Lee, Ellen K. Kick, and Jonathan A. Ellman pp 9735–9747 DOI: 10.1021/ja981812m Supporting Info

Structural Basis for Clinical Longevity of Carbapenem Antibiotics in the Face of Challenge by the Common Class A β-Lactamases from the Antibiotic-Resistant Bacteria Laurent Maveyraud, Lionel Mourey, Lakshmi P. Kotra, Jean-Denis Pedelacq, Valérie Guillet, Shahriar Mobashery, and Jean-Pierre Samama pp 9748–9752 DOI: 10.1021/ja9818001 Supporting Info

Side Chain Dendritic Polymers:  Synthesis and Physical Properties S. Jahromi, B. Coussens, N. Meijerink, and A. W. M. Braam pp 9753–9762 DOI: 10.1021/ja981484q

Pentacoordinate Siliconate Tetraanionic Molecular Squares. Synthesis, Structure, and Solution Conformation of a Novel Tetraanion−Tetracation Ion Pair Dianne J. McCord, James H. Small, John Greaves, Que N. Van, A. J. Shaka, E. B. Fleischer, and K. J. Shea pp 9763–9770 DOI: 10.1021/ja981201u

Local Reactivity of Charybdotoxin, a K+ Channel Blocker Joel Ireta, Marcelo Galván, Kyeonjgae Cho, and John D. Joannopoulos pp 9771–9778 DOI: 10.1021/ja973762b

Ligation of DNA Triangles Containing Double Crossover Molecules Xiaoping Yang, Lisa A. Wenzler, Jing Qi, Xiaojun Li, and Nadrian C. Seeman pp 9779–9786 DOI: 10.1021/ja9817601

Using Self-Assembly To Control the Structure of DNA Monolayers on Gold:  A Neutron Reflectivity Study Rastislav Levicky, Tonya M. Herne, Michael J. Tarlov, and Sushil K. Satija pp 9787–9792 DOI: 10.1021/ja981897r

Steric and Electronic Control of Dynamic Processes in Aryl-Bridged Dicyclooctatetraenes and Their Dianions Stuart W. Staley, Joanne D. Kehlbeck, Russell A. Grimm, Rachel A. Sablosky, Patrik Boman, and Bertil Eliasson pp 9793–9799 DOI: 10.1021/ja980931z Supporting Info

Quantitative Analysis of the Chiral Amplification in the Amino Alcohol-Promoted Asymmetric Alkylation of Aldehydes with Dialkylzincs Masato Kitamura, Seiji Suga, Hiromasa Oka, and Ryoji Noyori pp 9800–9809 DOI: 10.1021/ja981740z Supporting Info

Mechanism of the Transformation of a Stiff Polymer Lyotropic Nematic Liquid Crystal to the Cholesteric State by Dopant-Mediated Chiral Information Transfer Mark M. Green, Stefania Zanella, Hong Gu, Takahiro Sato, Giovanni Gottarelli, Salil K. Jha, Gian Piero Spada, Anne Marie Schoevaars, Ben Feringa, and Akio Teramoto pp 9810–9817 DOI: 10.1021/ja981393t

Reversible Molecular Capsules Composed of Two Cavitands Linked via an Assortment of Charged-Hydrogen Bonds and Covalent Bonds Robert G. Chapman and John C. Sherman pp 9818–9826 DOI: 10.1021/ja981596h Supporting Info

Self-Assembly, Chiroptical Properties, and Host−Guest Chemistry of Chiral Pt−Pt and Pt−Pd Tetranuclear Macrocycles. Circular Dichroism Studies on Neutral Guest Inclusion Phenomena Christian Müller, Jeffery A. Whiteford, and Peter J. Stang pp 9827–9837 DOI: 10.1021/ja9820801

A Photoresponsive Silicon Radical within a Porphyrin π-Cloud:  Photolysis of Organo- and Nitroxysilicon Porphyrins with Visible Light Jian-Yu Zheng, Katsuaki Konishi, and Takuzo Aida pp 9838–9843 DOI: 10.1021/ja980273i

Catalytic Synthesis of Poly(arylmethylgermanes) by Demethanative Coupling:  A Mild Route to σ-Conjugated Polymers Sandra M. Katz, Jennifer A. Reichl, and Donald H. Berry pp 9844–9849 DOI: 10.1021/ja981806q

A Solid-State Deuterium NMR Study of the Localized Dynamics at the C9pG10 Step in the DNA Dodecamer [d(CGCGAATTCGCG)]2 Mary E. Hatcher, Debra L. Mattiello, Gary A. Meints, John Orban, and Gary P. Drobny pp 9850–9862 DOI: 10.1021/ja971266h

15N Chemical Shift Tensors in Nucleic Acid Bases Jian Zhi Hu, Julio C. Facelli, Donald W. Alderman, Ronald J. Pugmire, and David M. Grant pp 9863–9869 DOI: 10.1021/ja9816786

Anisotropic Intramolecular Backbone Dynamics of Ubiquitin Characterized by NMR Relaxation and MD Computer Simulation S. F. Lienin, T. Bremi, B. Brutscher, R. Brüschweiler, and R. R. Ernst pp 9870–9879 DOI: 10.1021/ja9810179 Supporting Info

Determination of the Protein Backbone Dihedral Angle ψ from a Combination of NMR-Derived Cross-Correlation Spin Relaxation Rates Daiwen Yang and Lewis E. Kay pp 9880–9887 DOI: 10.1021/ja981873k Supporting Info

Electrochemical Reduction of NO by Myoglobin in Surfactant Film:  Characterization and Reactivity of the Nitroxyl (NO-) Adduct Mekki Bayachou, Rong Lin, William Cho, and Patrick J. Farmer pp 9888–9893 DOI: 10.1021/ja980697c Supporting Info

Oxygen Speciation in Hydrous Silicate Glasses:  An Oxygen-17 NMR Study Zhi Xu, Hideki Maekawa, Jane V. Oglesby, and Jonathan F. Stebbins pp 9894–9901 DOI: 10.1021/ja981459k

High-Level Computational Study of the Stereoelectronic Effects of Substituents on Alkene Epoxidations with Peroxyformic Acid Robert D. Bach, Mikhail N. Glukhovtsev, and Carlos Gonzalez pp 9902–9910 DOI: 10.1021/ja980495g Supporting Info

A New [2 + 2] Functionalization of C60 with Alkyl-Substituted 1,3-Butadienes:  A Mechanistic Approach. Stereochemistry and Isotope Effects Georgios Vassilikogiannakis, Nikos Chronakis, and Michael Orfanopoulos pp 9911–9920 DOI: 10.1021/ja981377w Supporting Info

Behavior of Boron Trifluoride in Cryosolutions:  A Combined ab Initio, Monte Carlo, and FTIR Investigation W. A. Herrebout and B. J. van der Veken pp 9921–9929 DOI: 10.1021/ja980626d

Glycine Decarboxylation:  The Free Radical Mechanism Marija Bonifaić, Igor Štefanić, Gordon L. Hug, David A. Armstrong, and Klaus-Dieter Asmus pp 9930–9940 DOI: 10.1021/ja9815428 Supporting Info

Spontaneous Formation of Vesicles from Complexes of Block Ionomers and Surfactants A. V. Kabanov, T. K. Bronich, V. A. Kabanov, K. Yu, and A. Eisenberg pp 9941–9942 DOI: 10.1021/ja981922t

Structure and Reactivity of Dinuclear Cobalt(III) Complexes with Peroxide and Phosphate Diester Analogues Bridging the Metal Ions Jin Seog Seo, Rosemary C. Hynes, Daniel Williams, and Jik ChinNack-Do Sung pp 9943–9944 DOI: 10.1021/ja9811905 Supporting Info

A New Class of Chiral Bridged Metallocene:  Synthesis, Structure, and Olefin (Co)polymerization Behavior of rac- and meso-1,2-CH2CH2{4-(7-Me-indenyl)}2ZrCl2 Colin J. Schaverien, René Ernst, Peter Schut, and W. Mason SkiffLuigi Resconi, Elisabetta Barbassa, Davide Balboni, and Yuri A. DubitskyA. Guy OrpenPierluigi Mercandelli, Massimo Moret, and Angelo Sironi pp 9945–9946 DOI: 10.1021/ja9811290 Supporting Info

Resonance Raman Spectra Show That Coenzyme B12 Binding to Methylmalonyl-Coenzyme A Mutase Changes the Corrin Ring Conformation but Leaves the Co−C Bond Essentially Unaffected Shoulian Dong, Raghavakaimal Padmakumar, Nilesh Maiti, Ruma Banerjee, and Thomas G. Spiro pp 9947–9948 DOI: 10.1021/ja981584w

New Domino Sequences Involving Successive Cleavage of Carbon−Carbon and Carbon−Oxygen Bonds:  Discrete Product Selection Dictated by Catalyst Ligands Masahiro Murakami, Tamon Itahashi, Hideki Amii, Kunio Takahashi, and Yoshihiko Ito pp 9949–9950 DOI: 10.1021/ja981993s Supporting Info

Expression, Purification, and Characterization of TylM1, an N,N-Dimethyltransferase Involved in the Biosynthesis of Mycaminose Huawei Chen, Zhihong Guo, and Hung-wen Liu pp 9951–9952 DOI: 10.1021/ja9815881

Direct Observation of a Transition Metal Alkane Complex, CpRe(CO)2(cyclopentane), Using NMR Spectroscopy Spili Geftakis and Graham E. Ball pp 9953–9954 DOI: 10.1021/ja981702f Supporting Info

Bis(diisopropylamino)silylene and Its Dimer Shinobu Tsutsui, Kenkichi Sakamoto, and Mitsuo Kira pp 9955–9956 DOI: 10.1021/ja980008x Supporting Info

Chromophore Orientation in Liposome Membranes Probed with Flow Dichroism Malin Ardhammar, Nabil Mikati, and Bengt Nordén pp 9957–9958 DOI: 10.1021/ja981102g Supporting Info

A Molecular Precursor Route to Active and Selective Vanadia−Silica−Zirconia Heterogeneous Catalysts for the Oxidative Dehydrogenation of Propane Ron Rulkens and T. Don Tilley pp 9959–9960 DOI: 10.1021/ja981798d Supporting Info

A New Class of Self-Assembled Monolayers:  closo-B12H11S3- on Gold Laura J. Yeager, Fusayo Saeki, Kenneth Shelly, M. Frederick Hawthorne, and Robin L. Garrell pp 9961–9962 DOI: 10.1021/ja9809253 Supporting Info

Elucidation of Deceptively Slow Magnetization Exchange between Protein Labile Protons and Water by Dilution-Enhanced Exchange Spectroscopy Nenad Juranić, Zsolt Zolnai, and Slobodan Macura pp 9963–9964 DOI: 10.1021/ja982298n

Synthesis of the First Expanded Carbaporphyrinoid by the “4 + 1” Approach Timothy D. Lash and Daniel T. Richter pp 9965–9966 DOI: 10.1021/ja981887q Supporting Info

Azaspiracid, a New Marine Toxin Having Unique Spiro Ring Assemblies, Isolated from Irish Mussels, Mytilus edulis Masayuki Satake, Katsuya Ofuji, Hideo Naoki, Kevin J. James, Ambrose Furey, Terry McMahon, Joe Silke, and Takeshi Yasumoto pp 9967–9968 DOI: 10.1021/ja981413r Supporting Info

In−Plane Resistivity of Ultrathin Gold Films:  A High Sensitivity, Molecularly Differentiated Probe of Mercaptan Chemisorption at the Liquid−Metal Interface Yumo Zhang, Roger H. Terrill, and Paul W. Bohn pp 9969–9970 DOI: 10.1021/ja980926v

Reactive Dyes as a Method for Rapid Screening of Homogeneous Catalysts Alan C. Cooper, Lenore H. McAlexander, Dong-Heon Lee, Matthew T. Torres, and Robert H. Crabtree pp 9971–9972 DOI: 10.1021/ja9818607 Supporting Info

Redox Cycling of Segmented Copper Helicates Abdelkrim El-ghayouy, Anthony Harriman, André De Cian, Jean Fischer, and Raymond Ziessel pp 9973–9974 DOI: 10.1021/ja981284e Supporting Info

Novel Spiro Phosphinite Ligands and Their Application in Homogeneous Catalytic Hydrogenation Reactions J. Am. Chem. Soc. 1997, 119, 9570−9571 Albert S. C. Chan, Wenhao Hu, Cheng-Chao Pai, Chak-Po Lau, Yaozhong Jiang, Aiqiao Mi, Ming Yan, Jian Sun, Rongliang Lou, and Jingen Deng p 9975 DOI: 10.1021/ja985517d

Mechanism for the Catalytic Activation of Ecteinascidin 743 and Its Subsequent Alkylation of Guanine N2 J. Am. Chem. Soc. 1998, 120, 2490−2491 Bob M. Moore, II, Frederick C. Seaman, Richard T. Wheelhouse, and Laurence H. Hurley p 9975 DOI: 10.1021/ja9855186

Surface Diffusion:  Atomistic and Collective Processes. NATO ASI Series B:  Physics. Volume 360 Edited by M. C. Tringides (Iowa State University). Plenum:  New York and London. 1997. xi + 724 pp. $175.00. ISBN 0-306-45613-3. T. C. Chan p 9975 DOI: 10.1021/ja985638d

A Practical Guide to Graphite Furnace Atomic Absorption Spectrometry By David J. Butcher and Joseph Sneddon. Wiley:  New York. 1998. $69.95. 250 pp. ISBN 0-471-12553-9. Kin C. Ng pp 9975–9976 DOI: 10.1021/ja985652q

Liquid Interfaces in Chemistry and Biology By Alexander G. Volkov and David W. Deamer (University of California at Santa Cruz) and Darrell L. Tanelian and Vladislav S. Markin (University of Texas Southwestern Medical Center at Dallas). Wiley-VCH:  New York. 1997. $95.00. x + 551 pp. ISBN 0-471-14872-5. Jin Z. Zhang p 9976 DOI: 10.1021/ja985615z

Functional and Smart Materials:  Structural Evolution and Structure Analysis By Z. L. Wang and Z. C. Kang. Plenum Press:  New York and London. 1998. $125.00. xxiii + 514 pp. ISBN 0-306-45651-6. Reuben Rudman pp 9976–9977 DOI: 10.1021/ja9856351

Supramolecular Chemistry of Anions Edited by Antonio Bianchi (University Florence), Kristin Bowman-James (University of Kansas), and Enrique Garcia-España (University of Valencia). Wiley-VCH:  New York. 1997. $79.95. xiv + 461 pp. ISBN 0-471-18622-8. Stephen P. Watton p 9977 DOI: 10.1021/ja985613e

Interfacial Aspects of Multicomponent Polymer Materials Edited by David J. Lohse (Exxon Research and Engineering Co., Annandale, NJ), Thomas P. Russell (University of Massachusetts, Amherst, MA), and L. H. Sperling (Lehigh University, Bethlehem, PA). Plenum:  New York. 1997. viii + 303 pp. $95.00. ISBN 0-306-45718-0. Patricia A. Heiden pp 9977–9978 DOI: 10.1021/ja9856250

Advances in Catalytic Processes, Vol. 2:  Asymmetric Catalysis Edited by Michael P. Doyle (University of Arizona). JAI Press:  New York. 1997. 287 pp. ISBN 0-7623-0068-X. Mark Lautens p 9978 DOI: 10.1021/ja985657n

Issue 39

Minimal Lipidation Stabilizes Protein-Like Molecular Architecture Ying-Ching Yu, Matthew Tirrell, and Gregg B. Fields pp 9979–9987 DOI: 10.1021/ja981654z

Stereospecific 1H and 13C NMR Assignments of Crotonyl CoA and Hexadienoyl CoA:  Conformational Analysis and Comparison with Protein−CoA Complexes Wen-Jin Wu, Peter J. Tonge and Daniel P. Raleigh ,, pp 9988–9994 DOI: 10.1021/ja982243l

Conformation-Dependent Cleavage of Hairpin and Triplex Nucleic Acids by a Temperature-Insensitive Photonuclease Suzanne A. Ciftan and H. Holden Thorp pp 9995–10000 DOI: 10.1021/ja981166r Supporting Info

Design, Synthesis, and Photodynamics of Light-Harvesting Arrays Comprised of a Porphyrin and One, Two, or Eight Boron-Dipyrrin Accessory Pigments Feirong Li, Sung Ik Yang, Yangzhen Ciringh, Jyoti Seth, Charles H. Martin, III, Deepak L. Singh, Dongho Kim, Robert R. Birge, David F. Bocian, Dewey Holten, and Jonathan S. Lindsey pp 10001–10017 DOI: 10.1021/ja9812047 Supporting Info

The First Selective and Efficient Transport of Imide-Containing Nucleosides and Nucleotides by Lipophilic Cyclen−Zinc(II) Complexes (Cyclen = 1,4,7,10-Tetraazacyclododecane) Shin Aoki, Yusuke Honda, and Eiichi Kimura pp 10018–10026 DOI: 10.1021/ja9810888 Supporting Info

Synthesis and Unique Properties of 4,8-Bis[bis(diethylamino)methylene]-1,2,3,5,6,7-hexaselenacyclooctane Juzo Nakayama, Isao Akiyama, Yoshiaki Sugihara, and Takehiko Nishio pp 10027–10031 DOI: 10.1021/ja981901z Supporting Info

Platinum-Catalyzed Enantioselective Aldol Addition of Ketene Silyl Acetals to Aldehydes Osamu Fujimura pp 10032–10039 DOI: 10.1021/ja981970d Supporting Info

Topological Analysis of the Charge Density in Short Intramolecular O−H···O Hydrogen Bonds. Very Low Temperature X-ray and Neutron Diffraction Study of Benzoylacetone Georg Kent Hellerup Madsen, Bo Brummerstedt Iversen, Finn Krebs Larsen, Moshe Kapon, George M. Reisner, and Frank H. Herbstein pp 10040–10045 DOI: 10.1021/ja980200z Supporting Info

Mechanism of Reaction of an Arenediazonium Ion in Aqueous Solutions of Acetamide, N-Methylacetamide, and N,N-Dimethylacetamide. A Potential Method for Chemically Tagging Peptide Bonds at Aggregate Interfaces Laurence S. Romsted, Jianbing Zhang, and Lanzhen Zhuang pp 10046–10054 DOI: 10.1021/ja980556a Supporting Info

Construction of a Blue Copper Analogue through Iterative Rational Protein Design Cycles Demonstrates Principles of Molecular Recognition in Metal Center Formation Homme W. Hellinga pp 10055–10066 DOI: 10.1021/ja980054x

Structural Dichotomy in Six-Coordinate d0 Complexes:  Trigonal Prismatic (tBu3SiCC)6Ta- and Octahedral (tBu3SiCC)6M2- (M = Zr, Hf) Thomas P. Vaid, Adam S. Veige, Emil B. Lobkovsky, Wingfield V. Glassey, Peter T. Wolczanski, Louise M. Liable-Sands, Arnold L. Rheingold, and Thomas R. Cundari pp 10067–10079 DOI: 10.1021/ja9802899 Supporting Info

Photochemical Formation of Ferrimagnetic Chains from a Pair of Polymeric Complexes Made of Octahedral Bis(hexafluoroacetylacetonato)manganese(II) with Diazodi(4-pyridyl)methane in the Cis and Trans Configurations as Repeating Units Satoru Karasawa, Yoko Sano, Takeyuki Akita, Noboru Koga, Tetsuji Itoh, Hiizu Iwamura, Pierre Rabu, and Marc Drillon pp 10080–10087 DOI: 10.1021/ja981293n Supporting Info

Organic Artificial Proteinase with Active Site Comprising Three Salicylate Residues Junghun Suh and Sang Soo Hah pp 10088–10093 DOI: 10.1021/ja981379g

Efficient Inhibition of Photo[2 + 2]cycloaddition of Thymidilyl(3‘−5‘)thymidine and Promotion of Photosplitting of the cis-syn-Cyclobutane Thymine Dimer by Dimeric Zinc(II)−Cyclen Complexes Containing m- and p-Xylyl Spacers Shin Aoki, Chizuyo Sugimura, and Eiichi Kimura pp 10094–10102 DOI: 10.1021/ja981788c

Responses of the Fe(CN)2(CO) Unit to Electronic Changes as Related to Its Role in [NiFe]Hydrogenase Chia-Huei Lai, Way-Zen Lee, Matthew L. Miller, Joseph H. Reibenspies, Donald J. Darensbourg, and Marcetta Y. Darensbourg pp 10103–10114 DOI: 10.1021/ja982053a Supporting Info

Oxidative Addition of Dihydrogen to [Ir(bisphosphine)(1,5-cyclooctadiene)]BF4 Complexes:  Kinetic and Thermodynamic Selectivity Barbara F. M. Kimmich, Ekasith Somsook, and Clark R. Landis pp 10115–10125 DOI: 10.1021/ja981536b Supporting Info

One-Electron Transformations of Paramagnetic Cobalt Complexes. Synthesis and Structure of Cobalt(II) Amidodiphosphine Halide and Alkyl Complexes and Their Reaction with Alkyl Halides Michael D. Fryzuk, Daniel B. Leznoff, Robert C. Thompson, and Steven J. Rettig pp 10126–10135 DOI: 10.1021/ja9721632 Supporting Info

Electronically Induced Phase Transitions in Ternary Transition Metal Distannide Systems Ulrich Häussermann, Sergei I. Simak, Igor A. Abrikosov, Börje Johansson, and Sven Lidin pp 10136–10146 DOI: 10.1021/ja981347t Supporting Info

Molecular Structures of Fulvalenes Derived from Methylidenecycloproparenes:  X-ray Structure Determinations and ab Initio Calculations Yitzhak Apeloig, Roland Boese, Brian Halton, and Andreas H. Maulitz pp 10147–10153 DOI: 10.1021/ja973020i Supporting Info

Reaction Mechanism of Silicon−Hydrogen Bond Activation Studied Using Femtosecond to Nanosecond IR Spectroscopy and Ab Initio Methods H. Yang, M. C. Asplund, K. T. Kotz, M. J. Wilkens, H. Frei, and C. B. Harris pp 10154–10165 DOI: 10.1021/ja980692f

Spreading Behavior of Optically Active Macrocycloamides Consisting of Helical Chiral Units at the Air−Water Interface and the Formation of Langmuir−Blodgett Films Fei Feng, Tokuji Miyashita, Hitoshi Okubo, and Masahiko Yamaguchi pp 10166–10170 DOI: 10.1021/ja9813717

Mechanism and Reactivity Parameters of the Reduction of Arylmethyl Radicals from Time-Resolved Electron-Photoinjection Experiments José Gonzalez, Philippe Hapiot, Valery Konovalov, and Jean-Michel Savéant pp 10171–10179 DOI: 10.1021/ja981801t Supporting Info

Cyclization in Hyperbranched Polymer Syntheses:  Characterization by MALDI-TOF Mass Spectrometry Jonathon K. Gooden, Michael L. Gross, Anja Mueller, Andrei D. Stefanescu, and Karen L. Wooley pp 10180–10186 DOI: 10.1021/ja9739547

Gas-Phase RNA and DNA Ions. 1. H/D Exchange of the [M − H]- Anions of Nucleoside 5‘-Monophosphates (GMP, dGMP, AMP, dAMP, CMP, dCMP, UMP, dTMP), Ribose 5-Monophosphate, and 2-Deoxyribose 5-Monophosphate with D2O and D2S Michael A. Freitas, Stone D.-H. Shi, Christopher L. Hendrickson, and Alan G. Marshall pp 10187–10193 DOI: 10.1021/ja980449g

Microwave Spectroscopy of the Twist Cβ-Exo/Cγ-Endo Conformation of Prolinamide Kimberly A. Kuhls, Charla A. Centrone, and Michael J. Tubergen pp 10194–10198 DOI: 10.1021/ja981775z Supporting Info

Solid-State Deuterium NMR of Imidazole Ligands in Cytochrome c Peroxidase Kai Liu, John Williams, HyeRim Lee, Melissa M. Fitzgerald, Gerard M. Jensen, David B. Goodin, and Ann E. McDermott pp 10199–10202 DOI: 10.1021/ja9732385

Temperature Dependence of Proton NMR Chemical Shift As a Criterion To Identify Low-Barrier Hydrogen Bonds Mireia Garcia-Viloca, Ricard Gelabert, Àngels González-Lafont, Miquel Moreno, and José M. Lluch pp 10203–10209 DOI: 10.1021/ja9742141

DFT Study of the Reactions between Singlet-Oxygen and a Carotenoid Model Marco Garavelli, Fernando Bernardi, Massimo Olivucci, and Michael A. Robb pp 10210–10222 DOI: 10.1021/ja9805270 Supporting Info

Ring Opening of the Cyclopropylcarbinyl Radical and Its N- and O-Substituted Analogues:  A Theoretical Examination of Very Fast Unimolecular Reactions David M. Smith, Athanassios Nicolaides, Bernard T. Golding, and Leo Radom pp 10223–10233 DOI: 10.1021/ja980635m Supporting Info

Energetics of the Catalytic Reaction of Ribonuclease A: A Computational Study of Alternative Mechanisms Timothy M. Glennon and Arieh Warshel pp 10234–10247 DOI: 10.1021/ja981594x

Rhodium Derivatives of Lacunary Heteropolytungstates Illustrate Metalloporphyrin Analogies. Reductive Dimerization to Rh2-Linked Keggin Moieties Xinyi Wei, Robert E. Bachman, and Michael T. Pope pp 10248–10253 DOI: 10.1021/ja981066l Supporting Info

Rhodium−Carbon Bond Formation in Aqueous Solution. Synthesis, Structure, and Reactivity of the Functionalized Heteropolytungstates, [XW11O39RhCH2COOH]5,6- (X = P, Si) Xinyi Wei, Michael H. Dickman, and Michael T. Pope pp 10254–10255 DOI: 10.1021/ja980993p Supporting Info

Biosynthesis of Desosamine:  Construction of a New Methymycin/Neomethymycin Analogue by Deletion of a Desosamine Biosynthetic Gene Lishan Zhao, David H. Sherman, and Hung-wen Liu pp 10256–10257 DOI: 10.1021/ja981782n Supporting Info

NOE Pumping:  A Novel NMR Technique for Identification of Compounds with Binding Affinity to Macromolecules Aidi Chen and Michael J. Shapiro pp 10258–10259 DOI: 10.1021/ja982152o

Synthesis and Triiron Complexes of PDK, a New Porphyrin-Linked Dicarboxylate Ligand Xiao-Xiang Zhang, Peter Fuhrmann, and Stephen J. Lippard pp 10260–10261 DOI: 10.1021/ja9816990 Supporting Info

Palladium/Acetic Acid Catalyzed Allylation of Some Pronucleophiles with Simple Alkynes Isao Kadota, Akinori Shibuya, Young Soo Gyoung, and Yoshinori Yamamoto pp 10262–10263 DOI: 10.1021/ja981299c Supporting Info

The Elusive Titanocene Peter B. Hitchcock, Francesca M. Kerton, and Gerard A. Lawless pp 10264–10265 DOI: 10.1021/ja981934e Supporting Info

Heterolytic and Homolytic Y−NO Bond Energy Scales of Nitroso-Containing Compounds:  Chemical Origin of NO Release and NO Capture Jin-Pei Cheng, Ming Xian, Kun Wang, Xiaoqing Zhu, Zheng Yin, and Peng George Wang pp 10266–10267 DOI: 10.1021/ja982086q

Preservation of the Native Structure in Myoglobin at Low pH by Sol−Gel Encapsulation Tapan Kanti Das, Imran Khan, Denis L. Rousseau, and Joel M. Friedman pp 10268–10269 DOI: 10.1021/ja982127i

A New Class of Planar−Chiral Ligands:  Synthesis of a C2-Symmetric Bisazaferrocene and Its Application in the Enantioselective Cu(I)-Catalyzed Cyclopropanation of Olefins Michael M.-C. Lo and Gregory C. Fu pp 10270–10271 DOI: 10.1021/ja982488y Supporting Info

DNA Interstrand Cross-Link Formation Induced by Bioxalomycin α2 Robert M. Williams and Brad Herberich pp 10272–10273 DOI: 10.1021/ja982049z Supporting Info

Dendrimers Containing Chiral Ferrocenyl Diphosphine Ligands for Asymmetric Catalysis Christoph Köllner, Benoît Pugin, and Antonio Togni pp 10274–10275 DOI: 10.1021/ja981137g Supporting Info

Nucleophilic Catalysis with π-Bound Nitrogen Heterocycles:  Synthesis of the First Ruthenium Catalysts and Comparison of the Reactivity and the Enantioselectivity of Ruthenium and Iron Complexes J. Am. Chem. Soc. 1998, 120, 7479−7483 Christine E. Garrett and Gregory C. Fu p 10276 DOI: 10.1021/ja985520x

A Novel Electrostatic Approach to Substituent Constants:  Doubly Substituted Benzenes J. Am. Chem. Soc. 1998, 120, 7049−7055 C. H. Suresh and Shridhar R. Gadre p 10276 DOI: 10.1021/ja985521p

Advances in Amino Acid Mimetics and Peptidomimetics (Volume 1) Edited by Andrew Abell (University of Canterbury, Christchurch, New Zealand). JAI Press:  Greenwich, CT. 1997. $109.50. vii + 302 pp. ISBN 0-7623-0200-3. David E. Graves p 10276 DOI: 10.1021/ja985644+

Issue 40

Enzymatic Ligation Reactions of DNA “Words” on Surfaces for DNA Computing Anthony G. Frutos, Lloyd M. Smith, and Robert M. Corn pp 10277–10282 DOI: 10.1021/ja982030w

Characterization and Chemical Stability of Photooxidized Oligonucleotides that Contain 2,2-Diamino-4-[(2-deoxy-β-d-erythro-pentofuranosyl)amino]-5(2H)-oxazolone Didier Gasparutto, Jean-Luc Ravanat, Olivier Gérot, and Jean Cadet pp 10283–10286 DOI: 10.1021/ja980674y Supporting Info

Substrate Recognition and Saturation Kinetics in de Novo Designed Histidine-Based Four-Helix Bundle Catalysts Kerstin S. Broo, Helena Nilsson, Jonas Nilsson, and Lars Baltzer pp 10287–10295 DOI: 10.1021/ja980682e

Characterization of the Fundamental Protein Ligand Requirements of [4Fe-4S]2+/+ Clusters with Sixteen Amino Acid Maquettes Stephen E. Mulholland, Brian R. Gibney, Francesc Rabanal, and P. Leslie Dutton pp 10296–10302 DOI: 10.1021/ja981279a Supporting Info

New Insights into Horseradish Peroxidase Function in Benzene from Resonance Raman Spectroscopy Patricia Ann Mabrouk and Thomas G. Spiro pp 10303–10309 DOI: 10.1021/ja981711o

Nucleic Acid Interactions of Unfused Aromatic Cations:  Evaluation of Proposed Minor-Groove, Major-Groove, and Intercalation Binding Modes W. David Wilson, Farial A. Tanious, Daoyuan Ding, Arvind Kumar, David W. Boykin, Pierre Colson, Claude Houssier, and Christian Bailly pp 10310–10321 DOI: 10.1021/ja981212n Supporting Info

Evidence for Rare Gas Endohedral Fullerene Formation from γ Recoil from HPLC Studies G. E. Gadd, P. Schmidt, C. Bowles, G. McOrist, P. J. Evans, J. Wood, L. Smith, A. Dixon, and J. Easey pp 10322–10325 DOI: 10.1021/ja9806276

Bromoketone C-Glycosides, a New Class of β-Glucanase Inactivators Steven Howard and Stephen G. Withers pp 10326–10331 DOI: 10.1021/ja981580r

Synthesis of (±)-Calicheamicinone by Two Methods Derrick L. J. Clive, Yunxin Bo, Yong Tao, Sylvain Daigneault, Yong-Jin Wu, and Gérard Meignan pp 10332–10349 DOI: 10.1021/ja980292s Supporting Info

Synthesis of the Antitumor Agent Aglycon (±)-Calicheamicinone Using an o-Quinone Monoketal Strategy Ian Churcher, David Hallett, and Philip Magnus pp 10350–10358 DOI: 10.1021/ja982125y Supporting Info

Calculated pKEnol Values for Enols of Carboxylic Acid Derivatives HCC(OH)X (X = OH, NH2, NMe2, OMe, OCHO, F, Cl, Br) Stepan Sklenák, Yitzhak Apeloig, and Zvi Rappoport pp 10359–10364 DOI: 10.1021/ja980354e Supporting Info

Addition of Methyl Grignard Reagents to Germasilenes and Digermenes:  Unusual Ligand Exchange Reaction of the Resulting Germyl Grignard Reagents Craig E. Dixon, Matthew R. Netherton, and Kim M. Baines pp 10365–10371 DOI: 10.1021/ja981787k Supporting Info

Solvent Effects on Carbocation−Nucleophile Combination Reactions:  A Comparison of π-Nucleophilicity in Aqueous and Organic Solvents John P. Richard, Paul Szymanski, and Kathleen B. Williams pp 10372–10378 DOI: 10.1021/ja981842p

Kinetics of Cyclopropylcarbinyl Radical Ring Openings Measured Directly by Laser Flash Photolysis John H. Horner, Noriko Tanaka, and Martin Newcomb pp 10379–10390 DOI: 10.1021/ja9819460 Supporting Info

Novel η3-Allylpalladium−Pyridinylpyrazole Complex:  Synthesis, Reactivity, and Catalytic Activity for Cyclopropanation of Ketene Silyl Acetal with Allylic Acetates Akiharu Satake and Tadashi Nakata pp 10391–10396 DOI: 10.1021/ja982269c Supporting Info

Second Hydration Shell Single Scattering versus First Hydration Shell Multiple Scattering in M(H2O)63+ EXAFS Spectra Hideto Sakane, Adela Muñoz-Páez, Sofía Díaz-Moreno, José M. Martínez, Rafael R. Pappalardo, and Enrique Sánchez Marcos pp 10397–10401 DOI: 10.1021/ja974142d Supporting Info

Experimental Investigations and ab Initio Studies on Hexacoordinated Complexes of Dichlorosilane Karl Hensen, Thorsten Stumpf, Michael Bolte, Christian Näther, and Holger Fleischer pp 10402–10408 DOI: 10.1021/ja981016g Supporting Info

Ligand-Induced Ring Slippage of η6- to η4-Naphthalene. Preparation and Structural Characterization of Ru(η4-C10H8)(η4-1,5-C8H12)(L) [L = PMe3, PEt3, P(OMe)3] and of Derived Binuclear Complexes Containing Bridging Naphthalene, Ru2(μ-η6:η4-C10H8)(η4-1,5-C8H12)2(L) [L = PEt3, P(OMe)3] Martin A. Bennett, Zhaobin Lu, Xianqi Wang, Mark Bown, and David C. R. Hockless pp 10409–10415 DOI: 10.1021/ja981027+ Supporting Info

Chemical Shift Anisotropy as a Mechanism for Modulating Apparent JTl-H and JTl-C Coupling Constants in Tris(pyrazolyl)hydroborato Thallium Complexes Prasenjit Ghosh, Peter J. Desrosiers, and Gerard Parkin pp 10416–10422 DOI: 10.1021/ja981636h

The Very Low Barrier of CO Site Exchange in Tricarbonyl(η4-1,5-cyclooctadiene)iron:  Picosecond Kinetics in Solution Investigated by Line Shape Simulation of the ν(CO) IR Bands and Complementary Evidence from the Course of 13CO Incorporation in a Low-Temperature Matrix Friedrich-Wilhelm Grevels, Klaus Kerpen, Werner E. Klotzbücher, R. E. D. McClung, Graham Russell, Manuella Viotte, and Kurt Schaffner pp 10423–10433 DOI: 10.1021/ja973897h

Ground- and Excited-State Mapping of Plastocyanin from Resonance Raman Spectra of Isotope-Labeled Proteins Shoulian Dong and Thomas G. Spiro pp 10434–10440 DOI: 10.1021/ja974377p

Stepwise Disintegration of the Photosynthetic Oxygen-Evolving Complex Cecilia Tommos, John McCracken, Stenbjörn Styring, and Gerald T. Babcock pp 10441–10452 DOI: 10.1021/ja980281z

13C−13C Correlations and Internuclear Distance Measurements with 2D-MELODRAMA Harold C. Jarrell, Dalian Lu, and David J. Siminovitch pp 10453–10462 DOI: 10.1021/ja980605j

Effect of Protonation−Deprotonation Processes on the Electrooptical Properties of Bipyridine-Containing Poly(p-phenylene−vinylene) Derivatives Yoav Eichen, Gregory Nakhmanovich, Vladimir Gorelik, Olga Epshtein, Jorge M. Poplawski, and Eitan Ehrenfreund pp 10463–10470 DOI: 10.1021/ja980383p Supporting Info

Theoretical and Solid-State NMR Study of Acetylene Adsorption on Nano-Sized MgO John B. Nicholas, Ali A. Kheir, Teng Xu, Thomas R. Krawietz, and James F. Haw pp 10471–10481 DOI: 10.1021/ja980384h

Carbocation−π Interaction:  Computational Study of Complexation of Methyl Cation with Benzene and Comparisons with Related Systems Paul C. Miklis, Robert Ditchfield, and Thomas A. Spencer pp 10482–10489 DOI: 10.1021/ja980505d Supporting Info

[5,5] Sigmatropic Rearrangement. DFT Prediction of a Diradical Mechanism for a Woodward−Hoffmann “Allowed” Thermal Pericyclic Reaction Brett R. Beno, Jens Fennen, K. N. Houk, Hans Jörg Lindner, and Klaus Hafner pp 10490–10493 DOI: 10.1021/ja981083a

Hybridization as a Metric for the Reaction Coordinate of Chemical Reactions R. C. Haddon and S.-Y. Chow pp 10494–10496 DOI: 10.1021/ja981858f

Competition between Rotamerization and Proton Transfer in o-Hydroxybenzaldehyde Martin Čuma, Steve Scheiner, and Tapas Kar pp 10497–10503 DOI: 10.1021/ja982161x

An Ab Initio Nuclear Magnetic Resonance and Atoms-in-Molecules Study of the PO Bond in Phosphine Oxides D. B. Chesnut pp 10504–10510 DOI: 10.1021/ja9822198 Supporting Info

Gas-Phase Negative Ion Chemistry of Lewis Acid−Base Complexes Jianhua Ren, Derek B. Workman, and Robert R. Squires pp 10511–10522 DOI: 10.1021/ja9804518 Supporting Info

Activation of O2 on a Photochemically Generated RhI Site on an Al2O3 Surface:  Low-Temperature O2 Dissociation and CO Oxidation Edward A. Wovchko and John T. Yates, Jr. pp 10523–10527 DOI: 10.1021/ja981241y

The Nature of the Transition Structure for the Oxidation of Alkanes with Dioxiranes Mikhail N. Glukhovtsev, Carlo Canepa, and Robert D. Bach pp 10528–10533 DOI: 10.1021/ja9813156 Supporting Info

Using Amide 1H and 15N Transverse Relaxation To Detect Millisecond Time-Scale Motions in Perdeuterated Proteins:  Application to HIV-1 Protease Rieko Ishima, Paul T. Wingfield, Stephen J. Stahl, Joshua D. Kaufman, and Dennis A. Torchia pp 10534–10542 DOI: 10.1021/ja981546c

Nanocavities with Fine Adjustment in Channel-Type Inclusion Crystals of Alkylammonium Deoxycholates. Control of Molecular Cavities by Partial Filling of Molecular Channels Kazuki Sada, Naotaka Shiomi, and Mikiji Miyata pp 10543–10544 DOI: 10.1021/ja982057f Supporting Info

Synthesis of Vanillin from Glucose Kai Li and J. W. Frost pp 10545–10546 DOI: 10.1021/ja9817747 Supporting Info

Observation of the Anti Conformation of a Glycosidic Linkage in an Antibody-Bound Oligosaccharide Mark J. Milton and David R. Bundle pp 10547–10548 DOI: 10.1021/ja982263n Supporting Info

A Short but Weak Cu−Cu Interaction in [Cu2Br5]2-, a Crystal Engineered (Cu1.5+)2 Confacial Bitetrahedral Complex Caitlin Horn, Ian Dance, Don Craig, Marcia Scudder, and Graham Bowmaker pp 10549–10550 DOI: 10.1021/ja981960c Supporting Info

Selective Population from the Excited Multiplet States to the Triplet Ground State in a Phthalocyanine:  A New Concept for Controlling Magnetic Properties by Photoexcitation Kazuyuki Ishii, Yoshiharu Hirose, and Nagao Kobayashi pp 10551–10552 DOI: 10.1021/ja981136o

Reversible Formation of Bis(2,2‘-bipyridine)rhodium(III) Dihydride from Bis(2,2‘-bipyridine)rhodium(I) and Dihydrogen. Direct Transfer of Dihydrogen from Rhodium(III) Dihydride to Rhodium(I) Susan G. Yan, Bruce S. Brunschwig, Carol Creutz, Etsuko Fujita, and Norman Sutin pp 10553–10554 DOI: 10.1021/ja982208e

A β-Peptide Reverse Turn that Promotes Hairpin Formation Yong Jun Chung, Laurie A. Christianson, Heather E. Stanger, Douglas R. Powell, and Samuel H. Gellman pp 10555–10556 DOI: 10.1021/ja982249a Supporting Info

The Role of Aggregates in Claisen Acylation Reactions of Two Lithium Enolates in THF1 Simon Shun-Wang Leung and Andrew Streitwieser pp 10557–10558 DOI: 10.1021/ja982360g Supporting Info

A Model for Protonation of Dinitrogen by Nitrogenase:  Protonation of Coordinated Dinitrogen on Tungsten with Hydrosulfido-Bridged Dinuclear Complexes1 Yoshiaki Nishibayashi, Shotaro Iwai, and Masanobu Hidai pp 10559–10560 DOI: 10.1021/ja981223g

The Synthesis, Structure, and Reactivity of Phenyl Tris(3-tert-butylpyrazolyl)borato Iron Methyl, [PhTpBut]FeMe:  Isolation of a Four-Coordinate Monovalent Iron Carbonyl Complex, [PhTpBut]FeCO Jennifer L. Kisko, Tony Hascall, and Gerard Parkin pp 10561–10562 DOI: 10.1021/ja982323p Supporting Info

Circularly Polarized Luminescence from Chiral Octadentate Complexes of Yb(III) in the Near-Infrared Christine L. Maupin, David Parker, J. A. Gareth Williams, and James P. Riehl pp 10563–10564 DOI: 10.1021/ja982147k

Saturation of Magnetic Field Effects Due to the Δg Mechanism under Ultrahigh Fields of up to 28 T Masanobu Wakasa, Kiyoshi Nishizawa, Haruo Abe, Giyuu Kido, and Hisaharu Hayashi pp 10565–10566 DOI: 10.1021/ja980503t

First Synthesis and Structural Characterization of Dinuclear M(III) Bis(μ-oxo) Complexes of Nickel and Cobalt with Hydrotris(pyrazolyl)borate Ligand Shiro Hikichi, Michito Yoshizawa, Yasuyuki Sasakura, Munetaka Akita, and Yoshihiko Moro-oka pp 10567–10568 DOI: 10.1021/ja981837l Supporting Info

Transformation of Germanium Dioxide to Microporous Germanate 4-Connected Nets Hailian Li and O. M. Yaghi pp 10569–10570 DOI: 10.1021/ja982384n Supporting Info

Measurement of Residual Dipolar Couplings of Macromolecules Aligned in the Nematic Phase of a Colloidal Suspension of Rod-Shaped Viruses G. Marius Clore, Mary R. Starich, and Angela M. Gronenborn pp 10571–10572 DOI: 10.1021/ja982592f

Macrocyclization of Fischer Carbene Complexes as an Approach to Cyclophanes Huan Wang and William D. Wulff pp 10573–10574 DOI: 10.1021/ja9826183 Supporting Info

Issue 41

Probing Low Affinity and Multivalent Interactions with Surface Plasmon Resonance:  Ligands for Concanavalin A David A. Mann, Motomu Kanai, Dustin J. Maly, and Laura L. Kiessling pp 10575–10582 DOI: 10.1021/ja9818506

Monoamine Oxidase B-Catalyzed Reactions of cis- and trans-5-Aminomethyl-3-(4-Methoxyphenyl)dihydrofuran-2(3H)-ones. Evidence for a Reversible Redox Reaction Xingliang Lu and Richard B. Silverman pp 10583–10587 DOI: 10.1021/ja9811041 Supporting Info

Enzyme-Mediated Formation of Vesicles from DPPC−Dodecyl Maltoside Mixed Micelles Brigitte Carion-Taravella, Sylviane Lesieur, Michel Ollivon, and Joël Chopineau pp 10588–10595 DOI: 10.1021/ja980400a

Novel Hybrid Tetracenomycins through Combinatorial Biosynthesis Using a Glycosyltransferase Encoded by the elm Genes in Cosmid 16F4 and Which Shows a Broad Sugar Substrate Specificity S.-E. Wohlert, G. Blanco, F. Lombó, E. Fernández, A. F. Braña, S. Reich, G. Udvarnoki, C. Méndez, H. Decker, J. Frevert, J. A. Salas, and J. Rohr pp 10596–10601 DOI: 10.1021/ja981687e

Efficient Multispin Homonuclear Double-Quantum Recoupling for Magic-Angle Spinning NMR:  13C−13C Correlation Spectroscopy of U-13C-Erythromycin A Chad M. Rienstra, Mary E. Hatcher, Leonard J. Mueller, Boqin Sun, Stephen W. Fesik, and Robert G. Griffin pp 10602–10612 DOI: 10.1021/ja9810181

Why R-Homocitrate Is Essential to the Reactivity of FeMo-Cofactor of Nitrogenase:  Studies on NifV--Extracted FeMo-Cofactor Karin L. C. Grönberg, Carol A. Gormal, Marcus C. Durrant, Barry E. Smith, and Richard A. Henderson pp 10613–10621 DOI: 10.1021/ja981832o

Self-Assembly of Molecular Brick Wall and Molecular Honeycomb from Nickel(II) Macrocycle and 1,3,5-Benzenetricarboxylate:  Guest-Dependent Host Structures Hye Jin Choi and Myunghyun Paik Suh pp 10622–10628 DOI: 10.1021/ja980504l Supporting Info

Free Energy Analysis of the Conformational Preferences of A and B Forms of DNA in Solution B. Jayaram, D. Sprous, M. A. Young, and D. L. Beveridge pp 10629–10633 DOI: 10.1021/ja981307p

Studies on the Chemical Synthesis of Oligonucleotides Containing the (6−4) Photoproduct of Thymine−Cytosine and Its Repair by (6−4) Photolyase Toshimi Mizukoshi, Kenichi Hitomi, Takeshi Todo, and Shigenori Iwai pp 10634–10642 DOI: 10.1021/ja982004y Supporting Info

Stabilizing Effect of a Multiple Salt Bridge in a Prenucleated Peptide Leland Mayne, S. Walter Englander, Rong Qiu, Jianxin Yang, Youxiang Gong, Erik J. Spek, and Neville R. Kallenbach pp 10643–10645 DOI: 10.1021/ja981592c

α-Helix Nucleation Constant in Copolypeptides of Alanine and Ornithine or Lysine Jianxin Yang, Kang Zhao, Youxiang Gong, Alexander Vologodskii, and Neville R. Kallenbach pp 10646–10652 DOI: 10.1021/ja982319d

Observation of Pseudorotamers of Two Unconstrained Wittig Intermediates, (3RS,4SR)- and (3RS,4RS)-4-Cyclohexyl-2-ethyl-3,4- dimethyl-2,2-diphenyl-1,2λ5-oxaphosphetane, by Dynamic 31P NMR Spectroscopy:  Line-Shape Analyses, Conformations, and Decomposition Kinetics Felix Bangerter, Martin Karpf, Lukas A. Meier, Paul Rys, and Peter Skrabal pp 10653–10659 DOI: 10.1021/ja974332o Supporting Info

Intramolecular Catalysis of Amide Isomerization:  Kinetic Consequences of the 5-NH- -Na Hydrogen Bond in Prolyl Peptides Christopher Cox and Thomas Lectka pp 10660–10668 DOI: 10.1021/ja9815071 Supporting Info

Formation of Columnar and Lamellar Lyotropic Mesophases by Facial Amphiphiles with Protic and Lipophilic Solvents Jörg Andreas Schröter, Carsten Tschierske, Michael Wittenberg, and Joachim Heinz Wendorff pp 10669–10675 DOI: 10.1021/ja981550o

Dynamics of Anilinium Radical α-Heterolytic Fragmentation Processes. Electrofugal Group, Substituent, and Medium Effects on Desilylation, Decarboxylation, and Retro-Aldol Cleavage Pathways Zhuoyi Su, Patrick S. Mariano, Daniel E. Falvey, Ung Chan Yoon, and Sun Wha Oh pp 10676–10686 DOI: 10.1021/ja981541f Supporting Info

Pressure and Temperature Control of Product Chirality in Asymmetric Photochemistry. Enantiodifferentiating Photoisomerization of Cyclooctene Sensitized by Chiral Benzenepolycarboxylates Yoshihisa Inoue, Eiji Matsushima, and Takehiko Wada pp 10687–10696 DOI: 10.1021/ja981929a

Encapsulation of Silicon Nanoclusters in Zeolite Y Jiliang He, Yong Ba, Christopher I. Ratcliffe, John A. Ripmeester, Dennis D. Klug, John S. Tse, and Keith F. Preston pp 10697–10705 DOI: 10.1021/ja9816133

Charge Density Wave Caused by Reducing ThSe3 by One Electron. Superstructure and Short-Range Order in ATh2Se6 (A = K, Rb) Studied by X-ray Diffraction, Electron Diffraction, and Diffuse Scattering Kyoung-Shin Choi, Rhonda Patschke, Simon J. L. Billinge, Mark J. Waner, Marcos Dantus, and Mercouri G. Kanatzidis pp 10706–10714 DOI: 10.1021/ja981675t Supporting Info

Conformational Study of Cyclodecane and Substituted Cyclodecanes by Dynamic NMR Spectroscopy and Computational Methods Diwakar M. Pawar, Sumona V. Smith, Hugh L. Mark, Rhonda M. Odom, and Eric A. Noe pp 10715–10720 DOI: 10.1021/ja973116c

Overlapping Ensemble Dynamics:  A Method for Structure Calculations of Multiple Configurational Isomers Dale F. Mierke pp 10721–10723 DOI: 10.1021/ja974090s

Proportions of Species Observed in Jet Spectroscopy−Vibrational Energy Effects:  Histamine Tautomers and Conformers Peter D. Godfrey and Ronald D. Brown pp 10724–10732 DOI: 10.1021/ja980560m

Two-Dimensional Polyaniline Thin Film Electrodeposited on a Self-Assembled Monolayer Iva Turyan and Daniel Mandler pp 10733–10742 DOI: 10.1021/ja9809760

Investigation of Iron−Sulfur Covalency in Rubredoxins and a Model System Using Sulfur K-Edge X-ray Absorption Spectroscopy Kendra Rose, Susan E. Shadle, Marly K. Eidsness, Donald M. Kurtz, Jr., Robert A. Scott, Britt Hedman, Keith O. Hodgson, and Edward I. Solomon pp 10743–10747 DOI: 10.1021/ja981350c Supporting Info

Effect of the Protein Denaturants Urea and Guanidinium on Water Structure:  A Structural and Thermodynamic Study Francesco Vanzi, Bhupinder Madan, and Kim Sharp pp 10748–10753 DOI: 10.1021/ja981529n

Crystallization in Zeolite A Studied by Atomic Force Microscopy Jonathan R. Agger, Noreen Pervaiz, Anthony K. Cheetham, and Michael W. Anderson pp 10754–10759 DOI: 10.1021/ja981665s

New and Highly Enantioselective Catalysts for the Rearrangement of meso-Epoxides into Chiral Allylic Alcohols Mikael J. Södergren and Pher G. Andersson pp 10760–10761 DOI: 10.1021/ja982381a Supporting Info

Mechanisms of N-Demethylations Catalyzed by High-Valent Species of Heme Enzymes:  Novel Use of Isotope Effects and Direct Observation of Intermediates Yoshio Goto, Yoshihito Watanabe, Shunichi Fukuzumi, Jeffrey P. Jones, and Joseph P. Dinnocenzo pp 10762–10763 DOI: 10.1021/ja981357u Supporting Info

Synthesis, Crystal Structure, and Electronic Structure of a 5,15-Dialkylideneporphyrin:  A TCNQ/Porphyrin Hybrid Iain M. Blake, Harry L. Anderson, David Beljonne, Jean-Luc Brédas, and William Clegg pp 10764–10765 DOI: 10.1021/ja9810078 Supporting Info

Preparation of a Water-Soluble “Cage” Based on 3‘,5‘-Dimethoxybenzoin Ronald S. Rock and Sunney I. Chan pp 10766–10767 DOI: 10.1021/ja980551d Supporting Info

SNAr Cyclizations To Form Cyclic Peptidomimetics of β-Turns Yangbo Feng, Zhicheng Wang, Song Jin, and Kevin Burgess pp 10768–10769 DOI: 10.1021/ja981589t Supporting Info

Total Synthesis and Absolute Configuration of Polycavernoside A Kenshu Fujiwara and Akio MuraiMari Yotsu-Yamashita and Takeshi Yasumoto pp 10770–10771 DOI: 10.1021/ja982431b Supporting Info

Role of the Axial Ligand in Determining the Spin State of Resting Cytochrome P450 Michael T. Green pp 10772–10773 DOI: 10.1021/ja980994h

Intriguing Tetrasodium Dication Cluster Na42+ Stabilized between Two Silyl(fluorosilyl)phosphanide Shells Matthias Driess, Hans Pritzkow, Markus Skipinski, and Uwe Winkler pp 10774–10775 DOI: 10.1021/ja9822963 Supporting Info

Poly(p-phenylene-borane)s. Novel Organoboron π-Conjugated Polymers via Grignard Reagent Noriyoshi Matsumi, Kensuke Naka, and Yoshiki Chujo pp 10776–10777 DOI: 10.1021/ja982037d

Single Scan, Sensitivity- and Gradient-Enhanced TROSY for Multidimensional NMR Experiments Johan Weigelt pp 10778–10779 DOI: 10.1021/ja982649y Supporting Info

Cooperative Asymmetric Catalysis with Dimeric Salen Complexes Reed G. Konsler, Jörn Karl, and Eric N. Jacobsen pp 10780–10781 DOI: 10.1021/ja982683c Supporting Info

The Pauson−Khand Reaction Catalyzed by the Methylidynetricobalt Nonacarbonyl Cluster Takumichi Sugihara and Masahiko Yamaguchi pp 10782–10783 DOI: 10.1021/ja982635s Supporting Info

Stereospecific Synthesis of the CP-263,114 Core Structure Chuo Chen, Mark E. Layton, and Matthew D. Shair pp 10784–10785 DOI: 10.1021/ja982581m Supporting Info

Polymerization Catalysts with Cyclopentadienyl Ligands Ring-Fused to Pyrrole and Thiophene Heterocycles John A. EwenRobert L. Jones and Michael J. ElderArnold L. Rheingold and Louise M. Liable-Sands pp 10786–10787 DOI: 10.1021/ja9823215 Supporting Info

Direct Observation of an Enzyme-Bound Intermediate in the Catalytic Cycle of the Metallo-β-Lactamase from Bacteroides fragilis Zhigang Wang, Walter Fast, and Stephen J. Benkovic pp 10788–10789 DOI: 10.1021/ja982621m Supporting Info

First Meerwein−Ponndorf−Verley Alkynylation:  Nonorganometallic Way for Carbonyl Alkylations Takashi Ooi, Tomoya Miura, and Keiji Maruoka pp 10790–10791 DOI: 10.1021/ja9821347

Ullman's Encyclopedia of Industrial Chemistry, 5th Completely Revised Edition Edited by Barbara Elvers, Stephen Hawkins, and William Russey. VCH:  New York. 1995. $14100 (36 volume set). ISBN 3-527-20126-2. R. Bruce Eldridge p 10792 DOI: 10.1021/ja9856203

Progress in Inorganic Chemistry. Volume 47 Edited by Kenneth D. Karlin (Johns Hopkins University). Wiley and Sons:  New York. 1998. v + 978 pp. $145.00. ISBN 0-471-16357-0. Edwin H. Abbott p 10792 DOI: 10.1021/ja9856295

Issue 42

Self-Assembling Aromatic-Bridged Serine-Based Cyclodepsipeptides (Serinophanes): A Demonstration of Tubular Structures Formed through Aromatic π−π Interactions Darshan Ranganathan, V. Haridas, R. Gilardi, and Isabella L. Karle pp 10793–10800 DOI: 10.1021/ja982244d Supporting Info

Aggregation and Reactivity of the Cesium Enolate of p-Phenylisobutyrophenone in Tetrahydrofuran1 Andrew Streitwieser, James A. Krom, Kathleen V. Kilway, and Alessandro Abbotto pp 10801–10806 DOI: 10.1021/ja981437y Supporting Info

The Role of Monomer in Alkylation Reactions of the Lithium Enolate of p-Phenylisobutyrophenone in Tetrahydrofuran1 Alessandro Abbotto, Simon Shun-Wang Leung, Andrew Streitwieser, and Kathleen V. Kilway pp 10807–10813 DOI: 10.1021/ja9814366 Supporting Info

Solid and Solution Phase Synthesis and Biological Evaluation of Combinatorial Sarcodictyin Libraries K. C. Nicolaou, N. Winssinger, D. Vourloumis, T. Ohshima, S. Kim, J. Pfefferkorn, J.-Y. Xu, and T. Li pp 10814–10826 DOI: 10.1021/ja9823870 Supporting Info

Determination of the Fe−Ligand Bond Lengths and Fe−N−O Bond Angles in Horse Heart Ferric and Ferrous Nitrosylmyoglobin Using Multiple-Scattering XAFS Analyses Anne M. Rich, Robert S. Armstrong, Paul J. Ellis, and Peter A. Lay pp 10827–10836 DOI: 10.1021/ja980253g Supporting Info

Kinetic Study of the Intercalation of Cobaltocene by Layered Metal Dichalcogenides with Time-Resolved in Situ X-ray Powder Diffraction John S. O. Evans, Stephen J. Price, Heng-Vee Wong, and Dermot O'Hare pp 10837–10846 DOI: 10.1021/ja9819099

Kinetic Instability of Nanocrystalline Aluminum Prepared by Chemical Synthesis; Facile Room-Temperature Grain Growth Joel A. Haber and William E. Buhro pp 10847–10855 DOI: 10.1021/ja981972y Supporting Info

Gas-Phase H/D Exchange between Arenium Ions and Selected Bases. The Site of Protonation of Simple Aromatics Barbara Chiavarino, Maria Elisa Crestoni, Barbara Di Rienzo, and Simonetta Fornarini pp 10856–10862 DOI: 10.1021/ja981488v

Acidity, Basicity, and the Stability of Hydrogen Bonds:  Complexes of RO- + HCF3 Michael L. Chabinyc and John I. Brauman pp 10863–10870 DOI: 10.1021/ja9817592

Photoinduced Radical Formation from the Complexes [Re(R)(CO)3(4,4‘-Me2-bpy)] (R = CH3, CD3, Et, iPr, Bz):  A Nanosecond Time-Resolved Emission, UV−Vis and IR Absorption, and FT-EPR Study Cornelis J. Kleverlaan, Derk J. Stufkens, Ian P. Clark, Michael W. George, James J. Turner, Débora M. Martino, Hans van Willigen, and Antonín Vlek, Jr. pp 10871–10879 DOI: 10.1021/ja980540k

Magnetic Switching of Charge Separation Lifetimes in Artificial Photosynthetic Reaction Centers Darius Kuciauskas, Paul A. Liddell, Ana L. Moore, Thomas A. Moore, and Devens Gust pp 10880–10886 DOI: 10.1021/ja981848e

Chemistry on the Edge:  A Microscopic Analysis of the Intercalation, Exfoliation, Edge Functionalization, and Monolayer Surface Tiling Reactions of α-Zirconium Phosphate David M. Kaschak, Stacy A. Johnson, Daniel E. Hooks, Hyuk-Nyun Kim, Michael D. Ward, and Thomas E. Mallouk pp 10887–10894 DOI: 10.1021/ja9818710

Morphology-Dependent Photochemical Events in Aryl Ether Dendrimer Porphyrins:  Cooperation of Dendron Subunits for Singlet Energy Transduction Dong-Lin Jiang and Takuzo Aida pp 10895–10901 DOI: 10.1021/ja9823520

Electron Transfer through the Hydrogen-Bonded Interface of a β-Turn-Forming Depsipeptide David A. Williamson and Bruce E. Bowler pp 10902–10911 DOI: 10.1021/ja981384k

Theoretical Study of the Electronic Spectroscopy of Peptides. III. Charge-Transfer Transitions in Polypeptides Luis Serrano-Andrés and Markus P. Fülscher pp 10912–10920 DOI: 10.1021/ja981148+

Molecular Polarizability and First Hyperpolarizability of Octupolar Molecules: Donor-Substituted Triphenylmethane Dyes Yun-Kyoung Lee, Seung-Joon Jeon, and Minhaeng Cho pp 10921–10927 DOI: 10.1021/ja9803456

Accurate DNA Dynamics without Accurate Long-Range Electrostatics Alexey K. Mazur pp 10928–10937 DOI: 10.1021/ja981498w

Globular Protein Ultraviolet Circular Dichroic Spectra. Calculation from Crystal Structures via the Dipole Interaction Model Kimberly A. Bode and Jon Applequist pp 10938–10946 DOI: 10.1021/ja982509o

Direct Measurement of 15N Chemical Shift Anisotropy in Solution David Fushman, Nico Tjandra, and David Cowburn pp 10947–10952 DOI: 10.1021/ja981686m Supporting Info

Effect of Solvation on the Rotation of Hydroxymethyl Groups in Carbohydrates Glen D. Rockwell and T. Bruce Grindley pp 10953–10963 DOI: 10.1021/ja981958l Supporting Info

A Calorimetric Determination of the Standard Enthalpy and Heat Capacity Changes that Accompany Micelle Formation for Four Long Chain Alkyldimethylphosphine Oxides in H2O and D2O Solution from 15 to 79 °C Gordon C. Kresheck pp 10964–10969 DOI: 10.1021/ja982156t

Surfactant−Semiconductor Interfaces:  Perturbation of the Photoluminescence of Bulk Cadmium Selenide by Adsorption of Tri-n-octylphosphine Oxide as a Probe of Solution Aggregation with Relevance to Nanocrystal Stabilization Julie K. Lorenz and Arthur B. Ellis pp 10970–10975 DOI: 10.1021/ja982278l

The Transition Metal-Catalyzed Intermolecular [5+2] Cycloaddition:  The Homologous Diels−Alder Reaction Paul A. Wender, Heiko Rieck, and Masahiro Fuji pp 10976–10977 DOI: 10.1021/ja982196x Supporting Info

Nitrogen Coordination in VO2+-Substituted Imidazole Glycerol Phosphate Dehydratase Studied by Electron Spin−Echo Envelope Modulation Spectroscopy Jan Petersen, Timothy R. Hawkes, and David J. Lowe pp 10978–10979 DOI: 10.1021/ja9814220 Supporting Info

Dimerization of 1,3-Butadiene on Highly Characterized Hydroxylated Surfaces of Ultrathin Films of γ-Al2O3 Michelle M. Ivey, Heather C. Allen, Armen Avoyan, Kathryn A. Martin, and John C. Hemminger pp 10980–10981 DOI: 10.1021/ja982449m

Neutral Macrocyclic Boxes Spontaneously Assembled from Osmium Tetraoxide, Olefin, and Pyridyl Ligand Kyu-Sung Jeong, Young Lag Cho, Jeong Uk Song, Hong-Young Chang, and Moon-Gun Choi pp 10982–10983 DOI: 10.1021/ja982476c Supporting Info

Superconductor−Insulator Transition Controlled by Partial Deuteration in BEDT-TTF Salt Atsushi Kawamoto, Hiromi Taniguchi, and Kazushi Kanoda pp 10984–10985 DOI: 10.1021/ja9827292

Pd59(CO)32(PMe3)21:  A Nanosized Metal Cluster Containing a Trigonal D3 Pd59 Core with 11 Interior Palladium Atoms Nguyet T. Tran, Masaki Kawano, Douglas R. Powell, and Lawrence F. Dahl pp 10986–10987 DOI: 10.1021/ja9827346 Supporting Info

Determination of Protonation and Deprotonation Forms and Tautomeric States of Histidine Residues in Large Proteins Using Nitrogen−Carbon J Couplings in Imidazole Ring Nobuhisa Shimba, Hideo Takahashi, Masayoshi Sakakura, Ikuo Fujii, and Ichio Shimada pp 10988–10989 DOI: 10.1021/ja982153g

Well-Defined Triblock Hybrid Dendrimers Based on Lengthy Oligothiophene Cores and Poly(benzyl ether) Dendrons Patrick R. L. Malenfant, Lambertus Groenendaal, and Jean M. J. Fréchet pp 10990–10991 DOI: 10.1021/ja9818147 Supporting Info

A New Method To Detect Long-Range Protein−RNA Contacts:  NMR Detection of Electron−Proton Relaxation Induced by Nitroxide Spin-Labeled RNA Andres Ramos and Gabriele Varani pp 10992–10993 DOI: 10.1021/ja982496e

Vinyl Sulfonate Esters and Vinyl Sulfonamides:  Potent, Irreversible Inhibitors of Cysteine Proteases William R. Roush, Stephen L. Gwaltney II, Jianming Cheng, Karl A. Scheidt, James H. McKerrow, and Elizabeth Hansell pp 10994–10995 DOI: 10.1021/ja981792o Supporting Info

A Synthetic Model for the NO-Inactivated Form of Nitrile Hydratase Dirk Schweitzer, Jeffrey J. Ellison, Steven C. Shoner, Scott Lovell, and Julie A. Kovacs pp 10996–10997 DOI: 10.1021/ja981117e Supporting Info

7,8-Dihydro-8-oxo-2‘-deoxyguanosine Residues in DNA Are Radiation Damage “Hot” Spots in the Direct γ Radiation Damage Pathway Zara A. Doddridge, Paul M. Cullis, George D. D. Jones, and Mark E Malone pp 10998–10999 DOI: 10.1021/ja9816234

From Regiospecific to Regioirregular Alternating Styrene−Carbon Monoxide Copolymerization Anton Aeby, Achim Gsponer, and Giambattista Consiglio pp 11000–11001 DOI: 10.1021/ja982489q Supporting Info

Unorthodox C,O Binding Mode of Me2BINOL in Pt(II) Complexes Nicole M. Brunkan, Peter S. White, and Michel R. Gagné pp 11002–11003 DOI: 10.1021/ja982143f Supporting Info

Perylene- and Naphthalene-Based Linkers for Duplex and Triplex Stabilization Susan Bevers, Timothy P. O'Dea, and Larry W. McLaughlin pp 11004–11005 DOI: 10.1021/ja981962x Supporting Info

A Novel Synthesis of α-Amino Acid Derivatives through Catalytic, Enantioselective Ene Reactions of α-Imino Esters William J. Drury, III, Dana Ferraris, Christopher Cox, Brandon Young, and Thomas Lectka pp 11006–11007 DOI: 10.1021/ja982257r Supporting Info

Synthesis, Structural Characterization, and Chemistry of a Monomeric Cationic Iridium Carbyne Complex Hans F. Luecke and Robert G. Bergman pp 11008–11009 DOI: 10.1021/ja982641o Supporting Info

Use of a Novel Aqueous Liquid Crystalline Medium for High-Resolution NMR of Macromolecules in Solution R. Scott Prosser, J. A. Losonczi, and I. V. Shiyanovskaya pp 11010–11011 DOI: 10.1021/ja982671r

Detection of UV Resonance Raman Bands of the Distal Histidine in Cyanide-Bound Horseradish Peroxidase:  Evidence for Two Hydrogen Bonding States of the Imidazolium Side Chain Shinji Hashimoto and Hideo Takeuchi pp 11012–11013 DOI: 10.1021/ja982589w

Reconstruction of Vancomycin by Chemical Glycosylation of the Pseudoaglycon Min Ge, Christopher Thompson, and Daniel Kahne pp 11014–11015 DOI: 10.1021/ja982414m

Thermodynamics and Mechanism of the Reversible Tin-to-Palladium Transmetalation of the Furyl Group W. Donald Cotter, Lauren Barbour, Kristin L. McNamara, Rachel Hechter, and Rene J. Lachicotte pp 11016–11017 DOI: 10.1021/ja980901w Supporting Info

Catalytic Reactions Involving C1 Feedstocks:  New High-Activity Zn(II)-Based Catalysts for the Alternating Copolymerization of Carbon Dioxide and Epoxides Ming Cheng, Emil B. Lobkovsky, and Geoffrey W. Coates pp 11018–11019 DOI: 10.1021/ja982601k Supporting Info

Organometallics in Superacidic Media:  Generation of Highly Electrophilic (Fluoroalkyl)phosphine Pt(II) Cationic Complexes James F. Houlis and Dean M. Roddick pp 11020–11021 DOI: 10.1021/ja9820487 Supporting Info

Synthetic Models of the Deoxy and Oxy Forms of the Non-Heme Dioxygen-Binding Protein Hemerythrin Tadashi J. Mizoguchi and Stephen J. Lippard pp 11022–11023 DOI: 10.1021/ja982417z Supporting Info

New Mode of Coordination for the Dinitrogen Ligand:  A Dinuclear Tantalum Complex with a Bridging N2 Unit That Is Both Side-On and End-On Michael D. Fryzuk, Samuel A. Johnson, and Steven J. Rettig pp 11024–11025 DOI: 10.1021/ja982377z Supporting Info

Computational Grids, Generation, Adaptation and Solution Strategies By Graham F. Carey (University of Texas at Austin). Taylor & Francis:  Bristol. 1997. xiii + 496 pp. $69.95. ISBN 1-56032-635-2. M. Nabil Esmail p 11026 DOI: 10.1021/ja975642+

Statistical Mechanics:  Fundamentals and Modern Applications By Richard E. Wilde and Surjit Singh (Texas Tech University). Wiley-VCH:  New York. 1997. $89.95. xv + 400 pp. ISBN 0-471-16165-9. Paul J. Gans p 11026 DOI: 10.1021/ja9856102

Issue 43

Enzymatic Synthesis of 3-Deoxy-d-manno-octulosonate 8-Phosphate, 3-Deoxy-d-altro-octulosonate 8-Phosphate, 3,5-Dideoxy-d-gluco(manno)-octulosonate 8-Phosphate by 3-Deoxy-d-arabino-heptulosonate 7-Phosphate Synthase Galina Ya. Sheflyan, David L. Howe, Trudy L. Wilson, and Ronald W. Woodard pp 11027–11032 DOI: 10.1021/ja9816281

High Helicities of Lys-Containing, Ala-Rich Peptides Are Primarily Attributable to a Large, Context-Dependent Lys Stabilization Lawrence Williams, Kristian Kather, and D. S. Kemp pp 11033–11043 DOI: 10.1021/ja9801947 Supporting Info

α Hydroxylation of Carboxylic Acids with Molecular Oxygen Catalyzed by the α Oxidase of Peas (Pisum sativum):  A Novel Biocatalytic Synthesis of Enantiomerically Pure (R)-2-Hydroxy Acids Waldemar Adam, Wilhelm Boland, Jenny Hartmann-Schreier, Hans-Ulrich Humpf, Michael Lazarus, Alexander Saffert, Chantu R. Saha-Möller, and Peter Schreier pp 11044–11048 DOI: 10.1021/ja981252r Supporting Info

Cycloaddition Reactions of Aldehydes to Tetramesityldisilene and Tetramesitylgermasilene:  Evidence for a Biradical Intermediate Craig E. Dixon, Donald W. Hughes, and Kim M. Baines pp 11049–11053 DOI: 10.1021/ja9812002

Hexakis Porphyrinato Benzenes. A New Class of Porphyrin Arrays H. A. M. Biemans, A. E. Rowan, A. Verhoeven, P. Vanoppen, L. Latterini, J. Foekema, A. P. H. J. Schenning, E. W. Meijer, F. C. de Schryver, and R. J. M. Nolte pp 11054–11060 DOI: 10.1021/ja9815632 Supporting Info

Structural Analysis of Cylindrical and Spherical Supramolecular Dendrimers Quantifies the Concept of Monodendron Shape Control by Generation Number V. Percec, W.-D. Cho, P. E. Mosier, G. Ungar, and D. J. P. Yeardley pp 11061–11070 DOI: 10.1021/ja9819007

New Forms of Coordinated Carbon:  Wirelike Cumulenic C3 and C5 sp Carbon Chains that Span Two Different Transition Metals and Mediate Charge Transfer Tamás Bartik, Weiqing Weng, James A. Ramsden, Slawomir Szafert, Stephen B. Falloon, Atta M. Arif, and J. A. Gladysz pp 11071–11081 DOI: 10.1021/ja981927q Supporting Info

Solution Structure Model of Residues 1−28 of the Amyloid β-Peptide When Bound to Micelles Keith J. Marcinowski, Haiyan Shao, Erin L. Clancy, and Michael G. Zagorski pp 11082–11091 DOI: 10.1021/ja9738687 Supporting Info

Nanometer Silica Particles Encapsulating Active Compounds:  A Novel Ceramic Drug Carrier Tapan Kumar Jain, Indrajit Roy, Tapas K. De, and Amarnath Maitra pp 11092–11095 DOI: 10.1021/ja973849x

Synthesis, Structure, and Reactivity of the First Kinetically Stabilized Silanethione Hiroyuki Suzuki, Norihiro Tokitoh, Renji Okazaki, Shigeru Nagase, and Midori Goto pp 11096–11105 DOI: 10.1021/ja980783c

Alkali Cation Extraction by 18-Crown-6 and Its Derivatives:  A Free Energy Perturbation Study Jian Wang and Peter A. Kollman pp 11106–11114 DOI: 10.1021/ja980464l

Electron Affinities of the Bromine Fluorides, BrFn (n = 1−7) Chaeho Pak, Yaoming Xie, Timothy J. Van Huis, and Henry F. Schaefer III pp 11115–11121 DOI: 10.1021/ja981131r

Magnetic Coupling in End-On Azido-Bridged Transition Metal Complexes:  A Density Functional Study Eliseo Ruiz, Joan Cano, Santiago Alvarez, and Pere Alemany pp 11122–11129 DOI: 10.1021/ja981661n

An Experimental Thermochemical and Theoretical Study of Triquinacene:  Definitive Disproof of Its Neutral Homoaromaticity Sergey P. Verevkin, Hans-Dieter Beckhaus, Christoph Rüchardt, Rainer Haag, Sergei I. Kozhushkov, Tosja Zywietz, Armin de Meijere, Haijun Jiao, and Paul von Ragué Schleyer pp 11130–11135 DOI: 10.1021/ja981680x Supporting Info

Dehydrobenzoyl Cations:  Distonic Ions with Dual Free Radical and Acylium Ion Reactivity Luiz Alberto B. Moraes and Marcos N. Eberlin pp 11136–11143 DOI: 10.1021/ja981152l

The O···H−O Hydrogen Bond in the Gas Phase. Microwave Structure of Ethylene Oxide−Water Walther Caminati, Paolo Moreschini, Ivan Rossi, and Paolo G. Favero pp 11144–11148 DOI: 10.1021/ja9817895 Supporting Info

Surface Chemistry of SO2 on Sn and Sn/Pt(111) Alloys:  Effects of Metal−Metal Bonding on Reactivity toward Sulfur José A. Rodriguez, Tomas Jirsak, Sanjay Chaturvedi, and Jan Hrbek pp 11149–11157 DOI: 10.1021/ja982174a

Three-Bond C−O−C−C Spin-Coupling Constants in Carbohydrates:  Development of a Karplus Relationship Bidisha Bose, Shikai Zhao, Roland Stenutz, Francis Cloran, Paul B. Bondo, Gail Bondo, Brian Hertz, Ian Carmichael, and Anthony S. Serianni pp 11158–11173 DOI: 10.1021/ja981127f Supporting Info

Remarkable NLO Response and Infrared Absorption in Simple Twisted Molecular π-Chromophores Israel D. L. Albert, Tobin J. Marks, and Mark A. Ratner pp 11174–11181 DOI: 10.1021/ja982073c

Homolysis of Carbenes. Free Radicals from Dialkoxycarbenes Paul C. Venneri and John Warkentin pp 11182–11183 DOI: 10.1021/ja982566h Supporting Info

Isolation and Characterization of Neutral Platinum Silylene Complexes of the Type (R3P)2PtSiMes2 (Mes = 2,4,6-Trimethylphenyl) Jay D. Feldman, Gregory P. Mitchell, Jörn-Oliver Nolte, and T. Don Tilley pp 11184–11185 DOI: 10.1021/ja981882t Supporting Info

Ni(II)-Catalyzed Cross-Coupling between Polyfunctional Arylzinc Derivatives and Primary Alkyl Iodides Riccardo Giovannini and Paul Knochel pp 11186–11187 DOI: 10.1021/ja982520o Supporting Info

Onsager Reaction Field Description of Optical Properties of Octupolar Molecules in Solution Yi LuoPatrick Norman and Hans Ågren pp 11188–11189 DOI: 10.1021/ja981601h

A Light-Fueled “Piston Cylinder” Molecular-Level Machine Peter R. Ashton, Vincenzo Balzani, Oldrich Kocian, Luca Prodi, Neil Spencer, and J. Fraser Stoddart pp 11190–11191 DOI: 10.1021/ja981889a Supporting Info

Measurements of Molecular Electrostatic Field Effects in Edge-to-Face Aromatic Interactions and CH-π Interactions with Implications for Protein Folding and Molecular Recognition Eun-il Kim, Sunil Paliwal, and Craig S. Wilcox pp 11192–11193 DOI: 10.1021/ja982620u

A Robust Two-Dimensional Hydrogen-Bonded Network:  The Sulfamide Moiety as a New Building Block for the Design of Molecular Solids Bing Gong, Chong Zheng, Ewa Skrzypczak-Jankun, Yinfa Yan, and Jianhua Zhang pp 11194–11195 DOI: 10.1021/ja981707c Supporting Info

New Method for Introduction of a Silyl Group into α,β-Enones Using a Disilane Catalyzed by a Copper(I) Salt1 Hajime Ito, Tomoko Ishizuka, Jun-ichi Tateiwa, Motohiro Sonoda, and Akira Hosomi pp 11196–11197 DOI: 10.1021/ja9822557 Supporting Info

Total Synthesis of (+)-Amphidinolide J David R. Williams and William S. Kissel pp 11198–11199 DOI: 10.1021/ja982572d Supporting Info

Synthesis and Reactions of fac-Re(dmbpy)(CO)3X (dmbpy = 4,4‘-dimethyl-2,2‘-bipyridyl; X = COOH, COOMe, H, OH, and OCHO) Dorothy H. Gibson and Xiaolong Yin pp 11200–11201 DOI: 10.1021/ja982284h

Thermally Stable Nonlinear Optical Films by Alternating Polyelectrolyte Deposition on Hydrophobic Substrates M. Joseph Roberts and Geoffrey A. LindsayWarren N. HermanKenneth J. Wynne pp 11202–11203 DOI: 10.1021/ja9822613

Novel Germanate Zeolite Structures with 3-Rings Xianhui Bu, Pingyun Feng, and Galen D. Stucky pp 11204–11205 DOI: 10.1021/ja982591n Supporting Info

Synthesis and Incorporation of an N-Acetylcysteamine Analogue of Methylmalonyl-CoA by a Modular Polyketide Synthase Nicola L. Pohl, Rajesh S. Gokhale, David E. Cane, and Chaitan Khosla pp 11206–11207 DOI: 10.1021/ja9830290

Sequence-Selective Evaluation of Peptide Side-Chain Interaction. New Artificial Receptors for Selective Recognition in Water Md. Alamgir Hossain and Hans-Jörg Schneider pp 11208–11209 DOI: 10.1021/ja982435g

Observation of Long-Range 1H−1H Distances in Solution by Dipolar Coupling Interactions Mark R. Hansen, Mark Rance, and Arthur Pardi pp 11210–11211 DOI: 10.1021/ja9829665 Supporting Info

Diastereomeric 1,4,7,10-Tetrakis((S)-2-hydroxypropyl)-1,4,7,10-tetraazacyclododecane and Its Alkali Metal Complex Ions. A Nuclear Magnetic Resonance, Potentiometric Titration, and Molecular Orbital Study J. Am. Chem. Soc. 1997, 119, 6126−6134 Ramesh S. Dhillon, Samer E. Madbak, Frank G. Ciccone, Mark A. Buntine, Stephen F. Lincoln, and Kevin P. Wainwright p 11212 DOI: 10.1021/ja985522h

Diastereomeric Δ-1,4,7,10-Tetrakis((R)-2-hydroxy-2-phenylethyl)-1,4,7,10-tetraazacyclododecane and Its Alkali Metal Complex Ions. A Potentiometric Titration, Nuclear Magnetic Resonance, and Molecular Orbital Study J. Am. Chem. Soc. 1998, 120, 2862−2869 Sonya L. Whitbread, Peter Valente, Mark A. Buntine, Philip Clements, Stephen F. Lincoln, and Kevin P. Wainwright p 11212 DOI: 10.1021/ja985523+

Clathrate Hydrates of Natural Gases, 2nd ed., Revised and Expanded. Chemical Industries Series/73 By E. Dendy Sloan, Jr. Marcel Dekker, Inc.:  New York. 1998. 754 pages. $195.00. ISBN 0-8247-9937-2. Gerald D. Holder p 11212 DOI: 10.1021/ja9856194

Issue 44

Diplasmenylcholine−Folate Liposomes:  An Efficient Vehicle for Intracellular Drug Delivery Yuanjin Rui, Susan Wang, Philip S. Low, and David H. Thompson pp 11213–11218 DOI: 10.1021/ja9742949 Supporting Info

Highly Selective DNA Alkylation at the 5‘ Side G of a 5‘GG3‘ Sequence by an Aglycon Model of Pluramycin Antibiotics through Preferential Intercalation into the GG Step Kazuhiko Nakatani, Akimitsu Okamoto, Takahiro Matsuno, and Isao Saito pp 11219–11225 DOI: 10.1021/ja980801q

Molecular Dynamics Simulations in Aqueous Solution of Triple Helices Containing d(G·C·C) Trios Robert Soliva, Charles A. Laughton, F. Javier Luque, and Modesto Orozco pp 11226–11233 DOI: 10.1021/ja981121q Supporting Info

Proton-Linked Protein Conformational Switching:  Definition of the Alkaline Conformational Transition of Yeast Iso-1-ferricytochrome c Federico I. Rosell, Juan C. Ferrer, and A. Grant Mauk pp 11234–11245 DOI: 10.1021/ja971756+

Alkaline Conformational Transitions of Ferricytochrome c Studied by Resonance Raman Spectroscopy Susanne Döpner, Peter Hildebrandt, Federico I. Rosell, and A. Grant Mauk pp 11246–11255 DOI: 10.1021/ja9717572

Binding and Electron Transfer between Cytochrome b5 and the Hemoglobin α- and β-Subunits through the Use of [Zn, Fe] Hybrids Naomi R. Naito, He Huang, Annie Willie Sturgess, Judith M. Nocek, and Brian M. Hoffman pp 11256–11262 DOI: 10.1021/ja982009v

ESEEM Investigations of the High pH and Low pH Forms of Chicken Liver Sulfite Oxidase Arnold M. Raitsimring, Andrew Pacheco, and John H. Enemark pp 11263–11278 DOI: 10.1021/ja981903j Supporting Info

Total Synthesis of Mucocin Partha Neogi, Thomas Doundoulakis, Ahmad Yazbak, Santosh C. Sinha, Subhash C. Sinha, and Ehud Keinan pp 11279–11284 DOI: 10.1021/ja981302s Supporting Info

Total Synthesis of Bleomycin Group Antibiotics. Total Syntheses of Bleomycin Demethyl A2, Bleomycin A2, and Decarbamoyl Bleomycin Demethyl A2 Kiyoaki Katano, Haoyun An, Yoshiaki Aoyagi, Mark Overhand, Steven J. Sucheck, William C. Stevens, Jr., Cynthia D. Hess, Xiang Zhou, and Sidney M. Hecht pp 11285–11296 DOI: 10.1021/ja9819458 Supporting Info

Preferred Conformation of C-Lactose at the Free and Peanut Lectin Bound States R. Ravishankar, A. Surolia, M. Vijayan, Sungtaek Lim, and Yoshito Kishi pp 11297–11303 DOI: 10.1021/ja982193k Supporting Info

Photochemical Generation and Methanol Trapping of Localized 1,3 and 1,4 Singlet Diradicals Derived from a Spiroepoxy-Substituted Cyclopentane-1,3-diyl Manabu Abe, Waldemar Adam, and Werner M. Nau pp 11304–11310 DOI: 10.1021/ja9822761 Supporting Info

Role of Dispersion and Electrostatic Forces on Solute−Solvent Interactions in a Nematic Liquid Crystal Phase Vance E. Williams and Robert P. Lemieux pp 11311–11315 DOI: 10.1021/ja982727h

Elastomeric Polypropylene from Unbridged 2-Arylindenyl Zirconocenes:  Modeling Polymerization Behavior Using ansa-Metallocene Analogues Jennifer L. Maciejewski Petoff, Tony Agoston, Tapan K. Lal, and Robert M. Waymouth pp 11316–11322 DOI: 10.1021/ja982400g Supporting Info

Carbonyl Complexes of Iron(II), Ruthenium(II), and Osmium(II) 5,10,15,20-Tetraphenylporphyrinates:  A Comparative Investigation by X-ray Crystallography, Solid-State NMR Spectroscopy, and Density Functional Theory Renzo Salzmann, Christopher J. Ziegler, Nathalie Godbout, Michael T. McMahon, Kenneth S. Suslick, and Eric Oldfield pp 11323–11334 DOI: 10.1021/ja9740069 Supporting Info

Effects of Pyridine and Its Derivatives on the Equilibria and Kinetics Pertaining to Epoxidation Reactions Catalyzed by Methyltrioxorhenium Wei-Dong Wang and James H. Espenson pp 11335–11341 DOI: 10.1021/ja9813414

Synthesis and Structure of a New Type of Sandwich-Like Yttrium Complex Derived from Tetraphenylethylene:  [Na(THF)6][Y(Ph2CCPh2)2] Dmitrii M. Roitershtein, Joseph W. Ziller, and William J. Evans pp 11342–11346 DOI: 10.1021/ja9814321 Supporting Info

Synthesis and Magnetization of New Room-Temperature Molecule-Based Magnets: Effect of Stoichiometry on Local Magnetic Structure by X-ray Magnetic Circular Dichroism E. Dujardin, S. Ferlay, X. Phan, C. Desplanches, C. Cartier dit Moulin, P. Sainctavit, F. Baudelet, E. Dartyge, P. Veillet, and M. Verdaguer pp 11347–11352 DOI: 10.1021/ja974076f

A New One-Dimensional Platinum System Consisting of Carboxylate-Bridged cis-Diammineplatinum Dimers1 Ken Sakai, Masao Takeshita, Yuko Tanaka, Takuma Ue, Masayuki Yanagisawa, Masaya Kosaka, Taro Tsubomura, Masamichi Ato, and Takeo Nakano pp 11353–11363 DOI: 10.1021/ja980055p Supporting Info

Retention of Inhibitory Potency of an ACE Inhibitor Conjugated with Rh(III) and Pd(II) (Iminophosphorano)phosphines. Synthesis and X-ray Structural Investigations Raghoottama S. Pandurangi, Kattesh V. Katti, Loreen Stillwell, and Charles L. Barnes pp 11364–11373 DOI: 10.1021/ja9802403 Supporting Info

Defining and Controlling the Aminoethanethiolate Chemistry of Bismuth(III):  Synthesis and Comprehensive Characterization of the Homologous Thiolatobismuth Series Glen G. Briand, Neil Burford, T. Stanley Cameron, and Witold Kwiatkowski pp 11374–11379 DOI: 10.1021/ja981575n Supporting Info

Rates of Platination of AG and GA Containing Double-Stranded Oligonucleotides:  Insights into Why Cisplatin Binds to GG and AG but Not GA Sequences in DNA Murray S. Davies, Susan J. Berners-Price, and Trevor W. Hambley pp 11380–11390 DOI: 10.1021/ja981725u Supporting Info

Probing the Coordination Chemistry of [Zr6BCl12]+:  A Cluster Especially Amenable to NMR Study Xiaobing Xie, Joseph H. Reibenspies, and Timothy Hughbanks pp 11391–11400 DOI: 10.1021/ja981736n Supporting Info

Cryogenic Electron Tunneling within Mixed-Metal Hemoglobin Hybrids:  Protein Glassing and Electron-Transfer Energetics Lisa A. Dick, Isabelle Malfant, Debasish Kuila, Shannon Nebolsky, Judith M. Nocek, Brian M. Hoffman, and Mark A. Ratner pp 11401–11407 DOI: 10.1021/ja982032g

Influences of Ligand Environment on the Spectroscopic Properties and Disproportionation Reactivity of Copper−Nitrosyl Complexes Jamie L. Schneider, Susan M. Carrier, Christy E. Ruggiero, Victor G. Young, Jr., and William B. Tolman pp 11408–11418 DOI: 10.1021/ja982172q Supporting Info

Reversible Tetrahedral−Octahedral Framework Aluminum Transformation in Zeolite Y B. H. Wouters, T.-H. Chen, and P. J. Grobet pp 11419–11425 DOI: 10.1021/ja982082l

Calculation of 29Si and 27Al MAS NMR Chemical Shifts in Zeolite-β Using Density Functional Theory:  Correlation with Lattice Structure G. Valerio, A. Goursot, R. Vetrivel, O. Malkina, V. Malkin, and D. R. Salahub pp 11426–11431 DOI: 10.1021/ja980903g Supporting Info

Theoretical Studies of the Mechanism for the Synthesis of Silsesquioxanes. 1. Hydrolysis and Initial Condensation Takako Kudo and Mark S. Gordon pp 11432–11438 DOI: 10.1021/ja980943k Supporting Info

NF5Viable or Not? Holger F. Bettinger, Paul v. R. Schleyer, and Henry F. Schaefer III pp 11439–11448 DOI: 10.1021/ja9813921

Catalytic Mechanism of Pyruvate Formate-Lyase (PFL). A Theoretical Study Fahmi Himo and Leif A. Eriksson pp 11449–11455 DOI: 10.1021/ja9820947

Relativistic Density Functional Study of the Geometry, Electronic Transitions, Ionization Energies, and Vibrational Frequencies of Protactinocene, Pa(η8-C8H8)2 Jun Li and Bruce E. Bursten pp 11456–11466 DOI: 10.1021/ja9821145

Propylene Oxidation on Copper Oxide Surfaces:  Electronic and Geometric Contributions to Reactivity and Selectivity John B. Reitz and Edward I. Solomon pp 11467–11478 DOI: 10.1021/ja981579s

Spectroscopic Studies on Brooker's Merocyanine John O. Morley, Richard M. Morley, and Ann L. Fitton pp 11479–11488 DOI: 10.1021/ja982302v

Ultrafast Dynamics of Highly Conjugated Porphyrin Arrays Ranjit Kumble, Steven Palese, Victor S.-Y. Lin, Michael J. Therien, and Robin M. Hochstrasser pp 11489–11498 DOI: 10.1021/ja981811u Supporting Info

Matrix Infrared Spectra and Density Functional Calculations of Ni(CO)x-, x = 1−3 Mingfei Zhou and Lester Andrews pp 11499–11503 DOI: 10.1021/ja9820644

The Hydrogen Bond between Water and Aromatic Bases of Biological Interest:  An Experimental and Theoretical Study of the 1:1 Complex of Pyrimidine with Water Sonia Melandri, M. Eugenia Sanz, Walther Caminati, Paolo G. Favero, and Zbigniew Kisiel pp 11504–11509 DOI: 10.1021/ja982192s Supporting Info

Computational Evidence of NMR Deshielding of Protons over a Carbon−Carbon Double Bond Ned H. Martin, Noah W. Allen, III, Everett K. Minga, Sal T. Ingrassia, and Justin D. Brown pp 11510–11511 DOI: 10.1021/ja982309c

Relative Configuration and Conformation of Key In- termediates for Matrix Metalloproteinase Inhibitors as Determined by NMR-Based Restrained Simulated Annealing and Validated by X-ray Analysis Hans Matter, Martin Knauf, Wilfried Schwab, and Erich F. Paulus pp 11512–11513 DOI: 10.1021/ja982415e Supporting Info

Optical Biosensor Based on Fluorescence Resonance Energy Transfer:  Ultrasensitive and Specific Detection of Protein Toxins Xuedong Song, John Nolan, and Basil I. Swanson pp 11514–11515 DOI: 10.1021/ja981983r

Oxygen Acidity of 1-Arylalkanol Radical Cations. 4-Methoxycumyloxyl Radical as −C(Me)2−O--to-Nucleus Electron-Transfer Intermediate in the Reaction of 4-Methoxycumyl Alcohol Radical Cation with OH- Enrico Baciocchi, Massimo Bietti, Osvaldo Lanzalunga, and Steen Steenken pp 11516–11517 DOI: 10.1021/ja980645n

High Pressure Transformation of La4Cu3MoO12 to a Layered Perovskite Douglas A. Vander Griend, Sophie Boudin, and Kenneth R. PoeppelmeierMasaki Azuma, Hiroki Toganoh, and Mikio Takano pp 11518–11519 DOI: 10.1021/ja982259b Supporting Info

Infrared and EPR Spectra of the Difluoronitroxide Radical Eugenii Ya. Misochko, Alexander V. Akimov, and Ilya U. GoldschlegerCharles A. Wight pp 11520–11521 DOI: 10.1021/ja9821450

Ru3(CO)12-Catalyzed Site-Selective Carbonylation Reactions at a C−H Bond in Aza-Heterocycles Takahide Fukuyama, Naoto Chatani, Jun Tatsumi, Fumitoshi Kakiuchi, and Shinji Murai pp 11522–11523 DOI: 10.1021/ja982794b Supporting Info

On the Reactivity of Phosphate Monoester Dianions in Aqueous Solution:  Brønsted Linear Free-Energy Relationships Do Not Have an Unique Mechanistic Interpretation Jan Florián, Johan Åqvist, and Arieh Warshel pp 11524–11525 DOI: 10.1021/ja982698a Supporting Info

Stable Aminooxy- and Aminothiocarbenes Roger. W. Alder, Craig P. Butts, and A. Guy Orpen pp 11526–11527 DOI: 10.1021/ja9819312 Supporting Info

p-Phenylenebismethylene:  Characterization, Calculation, and Conversion to a Conjugated Bis-Carbonyloxide Waseem Subhan, Pawel Rempala, and Robert S. Sheridan pp 11528–11529 DOI: 10.1021/ja9824324 Supporting Info

Direct Observation and Characterization of p-Phenylenebisnitrene. A Labile Quinoidal Diradical Athanassios Nicolaides and Hideo TomiokaShigeru Murata pp 11530–11531 DOI: 10.1021/ja982574y Supporting Info

Enantioselective Construction of Quaternary Stereocenters:  Rearrangements of O-Acylated Azlactones Catalyzed by a Planar-Chiral Derivative of 4-(Pyrrolidino)pyridine J. Craig Ruble and Gregory C. Fu pp 11532–11533 DOI: 10.1021/ja982890c Supporting Info

Anion Recognition at the Liquid−Liquid Interface. Sulfate Transfer across the 1,2-Dichloroethane− Water Interface Facilitated by Hydrogen-Bonding Ionophores Takeshi Shioya, Seiichi Nishizawa, and Norio Teramae pp 11534–11535 DOI: 10.1021/ja982854d Supporting Info

Rational Fine-Tuning of the Redox Potentials in Chemically Synthesized Rubredoxins Donald W. Low and Michael G. Hill pp 11536–11537 DOI: 10.1021/ja982920b Supporting Info

Synthesis of Des-myo-Inositol Mycothiol and Demonstration of a Mycobacterial Specific Reductase Activity Mehul P. Patel and John S. Blanchard pp 11538–11539 DOI: 10.1021/ja983111v Supporting Info

A Method for Driving O-Atom Transfer:  Secondary Ion Binding to a Tetraamide Macrocyclic Ligand Christine G. Miller, Scott W. Gordon-Wylie, Colin P. Horwitz, Stephanie A. Strazisar, Davi K. Peraino, George R. Clark, Susan T. Weintraub, and Terrence J. Collins pp 11540–11541 DOI: 10.1021/ja972922g Supporting Info

Supercritical Fluid Chromatography with Packed Columns:  Techniques and Applications. Chromatographic Science Series, Vol. 75. By Klaus Anton (Novartis Pharma AG, Basel, Switzerland) and Claire Berger (Ciba Specialty Chemicals, Inc., Basel, Switzerland). Mercel Dekker:  New York. 1998. ISBN 0-8247-0013-9 Harry Knickle p 11542 DOI: 10.1021/ja975676h

Rules of Stereoselectivity in Tandem Oxidative Polycyclization Reaction with Rhenium(VII) Oxides J. Am. Chem. Soc. 1998, 120, 9076−9077 Santosh, C. Sinha, Ehud Keinan, and Subhash C. Sinha p 11542 DOI: 10.1021/ja985526m

Issue 45

Enzyme-Controlled Molecular Recognition:  Selective Targeting of Trypsin with a Substrate-Inhibitor Supramolecular Complex Sonali Rudra and Alexey V. Eliseev pp 11543–11547 DOI: 10.1021/ja980810z Supporting Info

Efficient Oxidation of 2‘-Deoxyguanosine by Mn-TMPyP/KHSO5 to Imidazolone dIz without Formation of 8-Oxo-dG Corine Vialas, Geneviève Pratviel, Catherine Claparols, and Bernard Meunier pp 11548–11553 DOI: 10.1021/ja981597+

Critical Role of the Linking Amide in CC-1065 and the Duocarmycins:  Implications on the Source of DNA Alkylation Catalysis Dale L. Boger, Alejandro Santillán, Jr., Mark Searcey, and Qing Jin pp 11554–11557 DOI: 10.1021/ja9818093 Supporting Info

Destabilization of the 310-Helix in Peptides Based on Cα-Tetrasubstituted α-Amino Acids by Main-Chain to Side-Chain Hydrogen Bonds Wojciech M. Wolf, Marcin Stasiak, Miroslav T. Leplawy, Alberto Bianco, Fernando Formaggio, Marco Crisma, and Claudio Toniolo pp 11558–11566 DOI: 10.1021/ja982194c Supporting Info

Glycosylation of Threonine of the Repeating Unit of RNA Polymerase II with β-Linked N-Acetylglucosame Leads to a Turnlike Structure Eric E. Simanek, Dee-Hua Huang, Laura Pasternack, Timothy D. Machajewski, Oliver Seitz, David S. Millar, H. Jane Dyson, and Chi-Huey Wong pp 11567–11575 DOI: 10.1021/ja982312w Supporting Info

The Role of Ionic Backbones in RNA Structure:  An Unusually Stable Non-Watson−Crick Duplex of a Nonionic Analog in an Apolar Medium Christoph Steinbeck and Clemens Richert pp 11576–11580 DOI: 10.1021/ja9817951 Supporting Info

The Purine 2-Amino Group as the Critical Recognition Element for Sequence-Specific Alkylation and Cross-Linking of DNA by Mitomycin C Maria Tomasz, Arunangshu Das, Kit S. Tang, Marjin G. J. Ford, Andrew Minnock, Steven M. Musser, and Michael J. Waring pp 11581–11593 DOI: 10.1021/ja9824019

Zeolites as Templates for Preparation of Large-Ring Compounds:  Intramolecular Photocycloaddition of Diaryl Compounds Chen-Ho Tung, Li-Zhu Wu, Zhen-Yu Yuan, and Ning Su pp 11594–11602 DOI: 10.1021/ja9741178 Supporting Info

Intramolecular Oxymercuration of Stereoisomeric Cyclohexyl-Belted Poly(spirotetrahydrofuranyl) Platforms Leo A. Paquette, David G. Bolin, Marshall Stepanian, Bruce M. Branan, Uppuluri V. Mallavadhani, Jinsung Tae, Shawn W. E. Eisenberg, and Robin D. Rogers pp 11603–11615 DOI: 10.1021/ja981756p Supporting Info

Electronic Effect on Rhodium Diphosphine Catalyzed Hydroformylation: The Bite Angle Effect Reconsidered Lars A. van der Veen, Maarten D. K. Boele, Frank R. Bregman, Paul C. J. Kamer, Piet W. N. M. van Leeuwen, Kees Goubitz, Jan Fraanje, Henk Schenk, and Carles Bo pp 11616–11626 DOI: 10.1021/ja981969e Supporting Info

Induced Circular Dichroism and UV−Vis Absorption Spectroscopy of Cyclodextrin Inclusion Complexes:  Structural Elucidation of Supramolecular Azi-adamantane (Spiro[adamantane-2,3‘-diazirine]) Daniel Krois and Udo H. Brinker pp 11627–11632 DOI: 10.1021/ja982299f

Total Synthesis of the Furaquinocins Takeshi Saito, Takao Suzuki, Munetsugu Morimoto, Chikako Akiyama, Takashi Ochiai, Kazuhiro Takeuchi, Takashi Matsumoto, and Keisuke Suzuki pp 11633–11644 DOI: 10.1021/ja982403t Supporting Info

Enhanced Acceptor Character in Fullerene Derivatives. Synthesis and Electrochemical Properties of Fulleropyrrolidinium Salts Tatiana Da Ros, Maurizio Prato, Maurizio Carano, Paola Ceroni, Francesco Paolucci, and Sergio Roffia pp 11645–11648 DOI: 10.1021/ja9827705

Synthesis, Structure, and Reactivity of η2-N2-Aryldiazoalkane Titanium Complexes:  Cleavage of the N−N Bond Anne W. Kaplan, Jennifer L. Polse, Graham E. Ball, Richard A. Andersen, and Robert G. Bergman pp 11649–11662 DOI: 10.1021/ja981340b Supporting Info

Study of Substituent Effects on the Photoconductivity of Soluble 2,(3)- and 1,(4)-Substituted Phthalocyaninato- and Naphthalocyaninatotitanium(IV) Oxides Götz Winter, Heino Heckmann, Peter Haisch, Wolfgang Eberhardt, Michael Hanack, Larry Lüer, Hans-Joachim Egelhaaf, and Dieter Oelkrug pp 11663–11673 DOI: 10.1021/ja981644y Supporting Info

Flash Photolysis Studies of the Ruthenium(II) Porphyrins Ru(P)(NO)(ONO). Multiple Pathways Involving Reactions of Intermediates with Nitric Oxide1 Ivan M. Lorković, Katrina M. Miranda, Brian Lee, Stefan Bernhard, Jon R. Schoonover, and Peter C. Ford pp 11674–11683 DOI: 10.1021/ja981907o

Neutral Ligands for Selective Chloride Anion Complexation:  (α,α,α,α)-5,10,15,20-Tetrakis(2-(arylurea)phenyl)porphyrins Raymond C. Jagessar, Maoyu Shang, W. Robert Scheidt, and Dennis H. Burns pp 11684–11692 DOI: 10.1021/ja982052i Supporting Info

First 17−18−19-Electron Triads of Stable Isostructural Organometallic Complexes. The 17-Electron Complexes [Fe(C5R5)(arene)]2+ (R = H or Me), a Novel Family of Strong Oxidants:  Isolation, Characterization, Electronic Structure, and Redox Properties Jaime Ruiz, François Ogliaro, Jean-Yves Saillard, Jean-François Halet, François Varret, and Didier Astruc pp 11693–11705 DOI: 10.1021/ja982342z

Transition Metal Complex-Doped Hydroxyapatite Layers on Porous Silicon Xin Li, Jeffery L. Coffer, Yandong Chen, Russell F. Pinizzotto, Jon Newey, and Leigh T. Canham pp 11706–11709 DOI: 10.1021/ja9823666 Supporting Info

Application of Two-Dimensional 13C Solid-State NMR to the Study of Conformational Polymorphism Jay Smith, Ernesto MacNamara, Daniel Raftery, Thomas Borchardt, and Stephen Byrn pp 11710–11713 DOI: 10.1021/ja980952t

Direct Experimental Comparison of the Theories of Thermal and Optical Electron-Transfer:  Studies of a Mixed-Valence Dinuclear Iron Polypyridyl Complex C. Michael Elliott, Daniel L. Derr, Dmitry V. Matyushov, and Marshall D. Newton pp 11714–11726 DOI: 10.1021/ja981067d

A Relativistic Density Functional Study on the Uranium Hexafluoride and Plutonium Hexafluoride Monomer and Dimer Species Laura Gagliardi, Andrew Willetts, Chris-Kriton Skylaris, Nicholas C. Handy, Steven Spencer, Andrew G. Ioannou, and Adrian M. Simper pp 11727–11731 DOI: 10.1021/ja9811492

Hybrid Density Functional Studies of the Oxidation of Phenol−Imidazole Hydrogen-Bonded Complexes:  A Model for Tyrosine Oxidation in Oxygenic Photosynthesis Patrick J. O'Malley pp 11732–11737 DOI: 10.1021/ja981755x

Solution NMR Studies of a 42 KDa Escherichia Coli Maltose Binding Protein/β-Cyclodextrin Complex:  Chemical Shift Assignments and Analysis Kevin H. Gardner, Xiaochen Zhang, Kalle Gehring, and Lewis E. Kay pp 11738–11748 DOI: 10.1021/ja982019w Supporting Info

Acrylamide Quenching of Protein Phosphorescence as a Monitor of Structural Fluctuations in the Globular Fold Patrizia Cioni and Giovanni B. Strambini pp 11749–11757 DOI: 10.1021/ja9820543

Freeze-Dried Biomolecules:  FT-ICR Studies of the Specific Solvation of Functional Groups and Clathrate Formation Observed by the Slow Evaporation of Water from Hydrated Peptides and Model Compounds in the Gas Phase Sang-Won Lee, Patrick Freivogel, Thomas Schindler, and J. L. Beauchamp pp 11758–11765 DOI: 10.1021/ja982075x

Multiple-Decker Sandwich Complexes of Lanthanide−1,3,5,7-Cyclooctatetraene [Lnn(C8H8)m] (Ln = Ce, Nd, Eu, Ho, and Yb); Localized Ionic Bonding Structure Tsuyoshi Kurikawa, Yuichi Negishi, Fumitaka Hayakawa, Satoshi Nagao, Ken Miyajima, Atsushi Nakajima, and Koji Kaya pp 11766–11772 DOI: 10.1021/ja982438t

Phosphinoyl Radicals:  Structure and Reactivity. A Laser Flash Photolysis and Time-Resolved ESR Investigation Steffen Jockusch and Nicholas J. Turro pp 11773–11777 DOI: 10.1021/ja982463z

Quantum Chemical Analysis of para-Substitution Effects on the Electronic Structure of Phenylnitrenium Ions in the Gas Phase and Aqueous Solution Michael B. Sullivan, Kenneth Brown, Christopher J. Cramer, and Donald G. Truhlar pp 11778–11783 DOI: 10.1021/ja982542a

An Investigation of Hydrogen Bonding in Benzoxazine Dimers by Fast Magic-Angle Spinning and Double-Quantum 1H NMR Spectroscopy Ingo Schnell, Steven P. Brown, Hong Yee Low, Hatsuo Ishida, and Hans Wolfgang Spiess pp 11784–11795 DOI: 10.1021/ja982766t

Biosynthesis of Yersiniose:  Attachment of the Two-Carbon Branched-Chain Is Catalyzed by a Thiamine Pyrophosphate-Dependent Flavoprotein Huawei Chen, Zhihong Guo, and Hung-wen Liu pp 11796–11797 DOI: 10.1021/ja983071v

Highly Stereocontrolled One-Step Synthesis of anti-β-Amino Alcohols from Organoboronic Acids, Amines, and α-Hydroxy Aldehydes Nicos A. Petasis and Ilia A. Zavialov pp 11798–11799 DOI: 10.1021/ja981075u Supporting Info

Homolytic vs Heterolytic C−H Bond Cleavage in Alkylaromatic Radical Cations. Formation of Diarylmethyl Cation in the Photoinduced Electron Transfer Reaction of Bis(4-methoxyphenyl)methane Sensitized by Chloranil Enrico Baciocchi, Tiziana Del Giacco, Fausto Elisei, and Osvaldo Lanzalunga pp 11800–11801 DOI: 10.1021/ja9820902

Discotic Liquid Crystals from a Bis-Pocketed Porphyrin Bimal R. Patel and Kenneth S. Suslick pp 11802–11803 DOI: 10.1021/ja9820689

The Prediction of Persistent Carbenium Ions in Zeolites John B. Nicholas and James F. Haw pp 11804–11805 DOI: 10.1021/ja982012e Supporting Info

Fully Hydrogenated Calixarene Derivatives:  Calix[4]cyclohexanone and Calix[4]cyclohexanol Ishay Columbus, Manal Haj-Zaroubi, and Silvio E. Biali pp 11806–11807 DOI: 10.1021/ja982374m Supporting Info

Tuning Redox Behavior and Emissive Wavelength of Conjugated Polymers by p−n Diblock Structures Wang-Lin Yu, Hong Meng, Jian Pei, and Wei Huang pp 11808–11809 DOI: 10.1021/ja982561k Supporting Info

A Highly Efficient Synthesis of Oligodeoxyribonucleotides Containing the 2‘-Deoxyribonolactone Lesion Mitsuharu Kotera, Anne-Gaelle Bourdat, Eric Defrancq, and Jean Lhomme pp 11810–11811 DOI: 10.1021/ja982617a Supporting Info

Decomposition of Cyclobutane on Ru(001):  Identification of a Surface Metallacycle Michael J. Weiss, Christopher J. Hagedorn, Peter J. Mikesell, R. Daniel Little, and W. Henry Weinberg pp 11812–11813 DOI: 10.1021/ja982619v

High Arenophilicity and Water Tolerance in Direct Derivatization of Peptides and Proteins by Metal π-Coordination Douglas B. Grotjahn, Camil Joubran, David Combs, and Daniel C. Brune pp 11814–11815 DOI: 10.1021/ja982602c Supporting Info

Anomer-Selective Molecular Recognition of Free Amino Sugars with Simple Bisphosphonate Receptor Molecules Thomas Schrader pp 11816–11817 DOI: 10.1021/ja982067g Supporting Info

Unusual Aggregation Behavior of a Novel Tertiary Amine Methacrylate-Based Diblock Copolymer:  Formation of Micelles and Reverse Micelles in Aqueous Solution V. Bütün, N. C. Billingham, and S. P. Armes pp 11818–11819 DOI: 10.1021/ja982295a

Novel RNA Synthesis Method Using 5‘-O-Silyl-2‘-O-orthoester Protecting Groups Stephen A. Scaringe, Francine E. Wincott, and Marvin H. Caruthers pp 11820–11821 DOI: 10.1021/ja980730v Supporting Info

Regioselective Double Alkylation of Styrenes with Alkyl Halides Using a Titanocene Catalyst Jun Terao, Koyu Saito, Shinsuke Nii, Nobuaki Kambe, and Noboru Sonoda pp 11822–11823 DOI: 10.1021/ja982732l Supporting Info

Evidence for Precursor-Assisted Activation of Cyclobutane on Ru(001):  Enhanced Rate of Reaction in the Presence of a Multilayer Christopher J. Hagedorn, Michael J. Weiss, and W. Henry Weinberg pp 11824–11825 DOI: 10.1021/ja9820137

Organizing Chain Structures by Use of Proton−Hydride Bonding. The Single-Crystal X-ray Diffraction Structures of [K(Q)][Os(H)5(PiPr3)2] and [K(Q)][Ir(H)4(PiPr3)2], Q = 18-Crown-6 and 1,10-Diaza-18-crown-6 Kamaluddin Abdur-Rashid, Dmitry G. Gusev, Shaun E. Landau, Alan J. Lough, and Robert H. Morris pp 11826–11827 DOI: 10.1021/ja9822106 Supporting Info

Use of Steric Hindrance and a Metallacyclobutene Resting State to Develop Robust and Kinetically Characterizable Zirconium-Based Imine Metathesis Catalysts Shane W. Krska, Rebecca L. Zuckerman, and Robert G. Bergman pp 11828–11829 DOI: 10.1021/ja982569u Supporting Info

2,4,6-Trimethylthioacetophenone and Its Enol. The First Quantitative Characterization of a Simple Thiocarbonyl System in Aqueous Solution A. J. Kresge and Q. Meng pp 11830–11831 DOI: 10.1021/ja9826993

A Practical and Highly Stereoselective Umpolung Alternative to the Alkylation of Chiral Enolates Claude Spino and Christian Beaulieu pp 11832–11833 DOI: 10.1021/ja982525l Supporting Info

Strategy for Preparing Molecular Cylinders with Synthetically Programmable Structural Parameters Joshua R. Farrell and Chad A. MirkinLouise M. Liable-Sands and Arnold L. Rheingold pp 11834–11835 DOI: 10.1021/ja982688+ Supporting Info

Novel Synthesis of Cyclic Alkenylboronates via Ring-Closing Metathesis J. Am. Chem. Soc. 1998, 120, 7995−7996 Johanne Renaud and Stephane G. Ouellet p 11836 DOI: 10.1021/ja985525u

Metal-Catalyzed Cross-Coupling Reactions Edited by F. Diederich (ETH, Zurich) and P. J. Stang (University of Utah). Wiley-VCH:  Weinheim. 1998. xxi + 517 pp. $140. ISBN 3-527-29421-X. Paul Sampson pp 11836–11837 DOI: 10.1021/ja985656v

Equilibria and Dynamics of Gas Adsorption on Heterogeneous Solid Surfaces. Studies in Surface Science and Catalysis, Vol. 104 Edited by W. Rudzinski (M. Curie-Sklodowska University, Lublin, Poland), W. A. Steele (Pennsylvania State University), and G. Zgrablich (University of San Luis, San Luis, Argentina). Elsevier:  Amsterdam. 1996. xviii + 890 pp. $390.75. ISBN 0-444-82243-7. Mietek Jaroniec p 11837 DOI: 10.1021/ja975534n

Environmental Electrochemistry:  Fundamentals and Applications in Pollution Abatement By Krishnan Rajeshwar (University of Texas at Arlington) and Jorge G. Ibanez (Universidad IberoAmericana). Academic Press:  San Diego. 1996. $95.00. xvi + 776 pp. ISBN 0-12-576260-7. James F. Rusling p 11837 DOI: 10.1021/ja975699w

Advances in Molecular Structure Research, Volume 3 Edited by Magdolna Hargittai and Istvan Hargittai (Hungarian Academy of Sciences). JAI Press:  Greenwich, CT. 1997. xi + 346 pp. $109.50. ISBN 0-7623-0208-9. Fu-Ming Tao pp 11837–11838 DOI: 10.1021/ja975655n

Studies in Natural Products Chemistry, Volume 19, Structure and Chemistry (Part E) Edited by Atta-ur-Rahman. Elsevier Science Publishers B.V.:  Amsterdam. 1997. xi + 627 pp. $250.00. ISBN 0-444-82815-X. George Majetich p 11838 DOI: 10.1021/ja985616r

Topics in Fluorescence Spectroscopy. Vol. 5. Nonlinear and Two-Photon-Induced Fluorescence Edited by J. R. Lakowicz. Plenum:  New York. 1997. $135.00, v + 544 pp. ISBN 0-306-45553-6. Otto S. Wolfbeis p 11838 DOI: 10.1021/ja9856396

Issue 46

Free Radical Chlorination of Alkanes in Supercritical Carbon Dioxide:  The Chlorine Atom Cage Effect as a Probe for Enhanced Cage Effects in Supercritical Fluid Solvents Beth Fletcher, N. Kamrudin Suleman, and J. M. Tanko pp 11839–11844 DOI: 10.1021/ja982289e Supporting Info

Improved Sensitivity and Resolution in 1H−13C NMR Experiments of RNA Bernhard Brutscher, Jérôme Boisbouvier, Arthur Pardi, Dominique Marion, and Jean-Pierre Simorre pp 11845–11851 DOI: 10.1021/ja982853l

Redox Dependence of the Rate of Interaction of Hydroxyl Radical Adducts of DNA Nucleobases with Oxidants:  Consequences for DNA Strand Breakage M. M. M. Bamatraf, P. O'Neill, and B. S. M. Rao pp 11852–11857 DOI: 10.1021/ja9823161 Supporting Info

Electronic Substituent Effects for the Fine-Tuning of the Regioselectivity in the Diastereoselective Rearrangement of 1,3-Cyclopentanediyl Radical Cations Generated from Tricyclo[3.3.0.02,4]octanes (Housanes) by Chemical Electron Transfer Waldemar Adam and Thomas Heidenfelder pp 11858–11863 DOI: 10.1021/ja982329e Supporting Info

Fluorescent Porous Polymer Films as TNT Chemosensors:  Electronic and Structural Effects Jye-Shane Yang and Timothy M. Swager pp 11864–11873 DOI: 10.1021/ja982293q Supporting Info

Remarkable Product Selectivity in Photosensitized Oxidation of Alkenes within Nafion Membranes Chen-Ho Tung and Jing-Qu Guan pp 11874–11879 DOI: 10.1021/ja9816842

Asymmetric Synthesis of Helical Poly(quinoxaline-2,3-diyl)s by Palladium-Mediated Polymerization of 1,2-Diisocyanobenzenes:  Effective Control of the Screw-Sense by a Binaphthyl Group at the Chain-End Yoshihiko Ito, Toshiyuki Miyake, Seiji Hatano, Ryoto Shima, Takafumi Ohara, and Michinori Suginome pp 11880–11893 DOI: 10.1021/ja982500m Supporting Info

Supramolecular Synthesis of Organic Laminates with Affinity for Aromatic Guests:  A New Class of Clay Mimics Kumar Biradha, Dorothy Dennis, Verna A. MacKinnon, C. V. Krishnamohan Sharma, and Michael J. Zaworotko pp 11894–11903 DOI: 10.1021/ja973738y Supporting Info

Structure and Reactivity of Vinylcyclopropane Radical Cation:  Electron Transfer Photochemistry and ab Initio Calculations Torsten Herbertz and Heinz D. Roth pp 11904–11911 DOI: 10.1021/ja980367s Supporting Info

Folding and Translocation of the Undecamer of Poly-l-leucine across the Water−Hexane Interface. A Molecular Dynamics Study Christophe Chipot and Andrew Pohorille pp 11912–11924 DOI: 10.1021/ja980010o

Making Photochemically Generated Phenyl Cations Visible by Addition to Aromatics:  Production of Phenylcyclohexadienyl Cations and Their Reactions with Bases/Nucleophiles S. Steenken, M. Ashokkumar, P. Maruthamuthu, and R. A. McClelland pp 11925–11931 DOI: 10.1021/ja980712d

Acid−Base Controllable Molecular Shuttles Peter R. Ashton, Roberto Ballardini, Vincenzo Balzani, Ian Baxter, Alberto Credi, Matthew C. T. Fyfe, Maria Teresa Gandolfi, Marcos Gómez-López, M.-Victoria Martínez-Díaz, Arianna Piersanti, Neil Spencer, J. Fraser Stoddart, Margherita Venturi, Andrew J. P. White, and David J. Williams pp 11932–11942 DOI: 10.1021/ja982167m Supporting Info

Enantioselective Cyclopropanation of Allylic Alcohols with Dioxaborolane Ligands:  Scope and Synthetic Applications André B. Charette, Hélène Juteau, Hélène Lebel, and Carmela Molinaro pp 11943–11952 DOI: 10.1021/ja982055v Supporting Info

Diels−Alder Approach to Isoprostanes. Total Synthesis of iPF2α-V Zubaidha Pudukulathan, Sukumar Manna, Seong-Woo Hwang, Subhash P. Khanapure, John A. Lawson, Garret A. FitzGerald, and Joshua Rokach pp 11953–11961 DOI: 10.1021/ja982596k Supporting Info

Assembly of Covalently-Coupled Disulfide Multilayers on Gold P. Kohli, K. K. Taylor, J. J. Harris, and G. J. Blanchard pp 11962–11968 DOI: 10.1021/ja981987w

Molecular Oxygen Activation by a Ruthenium-Substituted “Sandwich” Type Polyoxometalate Ronny Neumann and Mazal Dahan pp 11969–11976 DOI: 10.1021/ja974243b

Biomimetic Synthesis of Macroscopic-Scale Calcium Carbonate Thin Films. Evidence for a Multistep Assembly Process Guofeng Xu, Nan Yao, Ilhan A. Aksay, and John T. Groves pp 11977–11985 DOI: 10.1021/ja9819108

Electrogeneration of Oxidized Corrole Dimers. Electrochemistry of (OEC)M Where M = Mn, Co, Ni, or Cu and OEC Is the Trianion of 2,3,7,8,12,13,17,18-Octaethylcorrole Karl M. Kadish, Victor A. Adamian, Eric Van Caemelbecke, Elena Gueletii, Stefan Will, Christoph Erben, and Emanuel Vogel pp 11986–11993 DOI: 10.1021/ja9814570

Very Rapid, Cooperative Two-Electron/Two-Proton Redox Reactions of [3Fe−4S] Clusters:  Detection and Analysis by Protein-Film Voltammetry Judy Hirst, Guy N. L. Jameson, James W. A. Allen, and Fraser A. Armstrong pp 11994–11999 DOI: 10.1021/ja981693a

Metalated Nucleobase Quartets:  Dimerization of a Metal-Modified Guanine, Cytosine Pair of trans-(NH3)2PtII and Formation of CH···N Hydrogen Bonds Roland K. O. Sigel, Eva Freisinger, Susanne Metzger, and Bernhard Lippert pp 12000–12007 DOI: 10.1021/ja981637+ Supporting Info

Immobile Artificial Metalloproteinase Containing Both Catalytic and Binding Groups Bo-Bin Jang, Kwan-Pyo Lee, Dal-Hee Min, and Junghun Suh pp 12008–12016 DOI: 10.1021/ja981723+ Supporting Info

A Novel Head-to-Head Conformer of d(GpG) Cross-linked by Pt:  New Light on the Conformation of Such Cross-links Formed by Pt Anticancer Drugs Susan O. Ano, Francesco P. Intini, Giovanni Natile, and Luigi G. Marzilli pp 12017–12022 DOI: 10.1021/ja9805674 Supporting Info

A Theoretical Approach to Analytical Properties of 2,4-Diamino-5-phenylthiazole in Water Solution. Tautomerism and Dependence on pH Luis A. Montero, Ana M. Esteva, José Molina, Antonio Zapardiel, Lucas Hernández, Heydi Márquez, and Alexis Acosta pp 12023–12033 DOI: 10.1021/ja981176s

Strain-Induced Bond Localization. The Heteroatom Case Amnon Stanger pp 12034–12040 DOI: 10.1021/ja9819662

Friction Coefficients of Ions in Aqueous Solution at 25 °C S. Koneshan, R. M. Lynden-Bell, and Jayendran C. Rasaiah pp 12041–12050 DOI: 10.1021/ja981997x

Density Functional Studies of a Heisenberg Spin Coupled Chromium−Semiquinone Complex and Its Chromium−Catechol Analog Jorge H. Rodriguez, Daniel E. Wheeler, and James K. McCusker pp 12051–12068 DOI: 10.1021/ja980917m Supporting Info

Fabrication of a Carboxyl-Terminated Organic Surface with Self-Assembly of Functionalized Terphenylthiols:  The Importance of Hydrogen Bond Formation Hans-Jörg Himmel, Andreas Terfort, and Christof Wöll pp 12069–12074 DOI: 10.1021/ja981872s Supporting Info

Triple-Quantum Two-Dimensional 27Al Magic Angle Nuclear Magnetic Resonance Study of the Aluminum Incorporation in Calcium Silicate Hydrates P. Faucon, T. Charpentier, A. Nonat, and J. C. Petit pp 12075–12082 DOI: 10.1021/ja9806940

Excited States of the Phthalimide Chromophore and Their Exciton Couplings:  A Tool for Stereochemical Assignments Jacek Gawronski, Franciszek Kazmierczak, Krystyna Gawronska, Urszula Rychlewska, Bengt Nordén, and Anders Holmén pp 12083–12091 DOI: 10.1021/ja982131u Supporting Info

Chain−Chain Interaction between Surfactant Monolayers and Alkanes or Alcohols at Solid/Liquid Interfaces P. B. Miranda, V. Pflumio, H. Saijo, and Y. R. Shen pp 12092–12099 DOI: 10.1021/ja9732441

Solid-State Light-Emitting Devices Based on the Trischelated Ruthenium(II) Complex. 1. Thin Film Blends with Poly(ethylene oxide) C. H. Lyons, E. D. Abbas, J.-K. Lee, and M. F. Rubner pp 12100–12107 DOI: 10.1021/ja981057c

Macroporous p-Type Silicon Fabry−Perot Layers. Fabrication, Characterization, and Applications in Biosensing Andreas Janshoff, Keiki-Pua S. Dancil, Claudia Steinem, Douglas P. Greiner, Victor S.-Y. Lin, Christian Gurtner, Kianoush Motesharei, Michael J. Sailor, and M. Reza Ghadiri pp 12108–12116 DOI: 10.1021/ja9826237 Supporting Info

Characterization of the Short Strong Hydrogen Bond in Benzoylacetone by ab Initio Calculations and Accurate Diffraction Experiments. Implications for the Electronic Nature of Low-Barrier Hydrogen Bonds in Enzymatic Reactions Birgit Schiøtt, Bo Brummerstedt Iversen, Georg Kent Hellerup Madsen, and Thomas C. Bruice pp 12117–12124 DOI: 10.1021/ja982317t

Nonstatistical Reactivity in a Vibrationally Excited SN2 Intermediate Stephen L. Craig, Meili Zhong, and John I. Brauman pp 12125–12126 DOI: 10.1021/ja982253m

Coupling of Catalyses by Carbonyl Clusters and Dehydrogenases:  Reduction of Pyruvate to l-Lactate by Dihydrogen Sumit Bhaduri, Pradeep Mathur, Pramatha Payra, and Krishna Sharma pp 12127–12128 DOI: 10.1021/ja982722k Supporting Info

Asymmetric Benzopentaannulation from Tungsten ((−)-Menthyloxy)(aryl)carbene Complexes, Alkynyllithiums, and Methyl Triflate José Barluenga, Andrés A. Trabanco, Josefa Flórez, Santiago García-Granda, and María-Amparo LLorca pp 12129–12130 DOI: 10.1021/ja982036l Supporting Info

Enolization of Gaseous Acetone Radical Cations:  Catalysis by a Single Base Molecule Moschoula A. Trikoupis and Johan K. TerlouwPeter C. Burgers pp 12131–12132 DOI: 10.1021/ja983078c

Understanding Nonlinearity in Multiply-Bonded Digallium Molecules Ian Bytheway and Zhenyang Lin pp 12133–12134 DOI: 10.1021/ja981851y

Synthesis of Shell Cross-Linked Micelles with Tunable Hydrophilic/Hydrophobic Cores V. Bütün, N. C. Billingham, and S. P. Armes pp 12135–12136 DOI: 10.1021/ja981932u Supporting Info

Novel Platinum-Catalyzed Ring-Opening of 1,2-Cyclopropanated Sugars with Alcohols. Stereoselective Synthesis of 2-C-Branched Glycosides Jürgen Beyer and Robert Madsen pp 12137–12138 DOI: 10.1021/ja982964k Supporting Info

Inhibition of the Aminopeptidase from Aeromonas Proteolytica by l-Leucinephosphonic Acid, a Transition State Analogue of Peptide Hydrolysis Brian Bennett and Richard C. Holz pp 12139–12140 DOI: 10.1021/ja9824167

Explanation of Deuterium and Muonium Kinetic Isotope Effects for Hydrogen Atom Addition to an Olefin Jordi Villà, José C. Corchado, Angels González-Lafont, José M. Lluch, and Donald G. Truhlar pp 12141–12142 DOI: 10.1021/ja982616i

Two-Photon Spectroscopy of d3 Transition Metals:  Near-IR-to-Visible Upconversion Luminescence by Re4+ and Mo3+ Daniel R. Gamelin and Hans U. Güdel pp 12143–12144 DOI: 10.1021/ja982742m

On Pure Axial Monosubstituted Cyclohexanes Ben Cornett, Matthew Davis, Shaoxiong Wu, Neysa Nevins, and James P. Snyder pp 12145–12146 DOI: 10.1021/ja9829214

One-Step Synthesis of Symmetrical 3,3‘-Substituted 2,2‘-Bipyridine Ligands by Cobalt(I)-Catalyzed [2 + 2 + 2] Cycloadditions Jesús A. Varela, Luis Castedo, and Carlos Saá pp 12147–12148 DOI: 10.1021/ja982832r Supporting Info

Synthesis of Neutral Tetranuclear and Octanuclear Macrocyclic Platinum−Butadiyne Heterocyclynes Samia M. ALQaisi, Kevin J. Galat, Minghui Chai, Dale G. Ray, III, Peter L. Rinaldi, Claire A. Tessier, and Wiley J. Youngs pp 12149–12150 DOI: 10.1021/ja981040u Supporting Info

Dative Pd(0)−Mo(II) Bonds in a Linearly Aligned Tetrametal System:  Preparation, Characterization, and Reaction of a Tetranuclear Pd(0)−Mo(II)−Mo(II)−Pd(0) Supported by Four 6-Diphenylphosphino-2-pyridonate Ligands Kazushi Mashima, Atsushi Fukumoto, Hiroshi Nakano, Yutaka Kaneda, Kazuhide Tani, and Akira Nakamura pp 12151–12152 DOI: 10.1021/ja9817702 Supporting Info

Structural and Functional Models of the Dioxygen-Activating Centers of Non-Heme Diiron Enzymes Ribonucleotide Reductase and Soluble Methane Monooxygenase Dongwhan Lee and Stephen J. Lippard pp 12153–12154 DOI: 10.1021/ja9831094 Supporting Info

Preparation of a Redox-Gradient Dendrimer. Polyamines Designed for One-Way Electron Transfer and Charge Capture Trent D. Selby and Silas C. Blackstock pp 12155–12156 DOI: 10.1021/ja9821091 Supporting Info

Amplification of a Slight Enantiomeric Imbalance in Molecules Based on Asymmetric Autocatalysis:  The First Correlation between High Enantiomeric Enrichment in a Chiral Molecule and Circularly Polarized Light Takanori Shibata, Jun Yamamoto, Naoko Matsumoto, Shigeru Yonekubo, Shunji Osanai, and Kenso Soai pp 12157–12158 DOI: 10.1021/ja980815w Supporting Info

Mechanistic Studies of Desosamine Biosynthesis:  C-4 Deoxygenation Precedes C-3 Transamination Lishan Zhao, Nanette L. S. Que, Yongquan Xue, David H. Sherman, and Hung-wen Liu pp 12159–12160 DOI: 10.1021/ja982942y Supporting Info

Obtaining Proton Chemical Shifts and Multiplets from Several 1D NMR Signals V. A. Mandelshtam, Que N. Van, and A. J. Shaka pp 12161–12162 DOI: 10.1021/ja9824977

Compounds with Extremely Negative Mössbauer-Effect Isomer Shifts:  A Probe of Intermetallic Bonding in Zr6Cl14Fe, LiZr6Cl15Fe, and KZr6Cl15Fe Gary J. Long, Dimitri Hautot, Amitabh Mohan, Timothy Hughbanks, Xiaobing Xie, and F. Grandjean pp 12163–12164 DOI: 10.1021/ja9826486

Control over the Localization of Positive Charge in DNA:  The Effect on Duplex DNA and RNA Stability Lauren E. Heystek, Hui-qiang Zhou, Prasad Dande, and Barry Gold pp 12165–12166 DOI: 10.1021/ja982039y Supporting Info

Highly Electrophilic Olefin Polymerization Catalysts. Quantitative Reaction Coordinates for Fluoroarylborane/Alumoxane Methide Abstraction and Ion−Pair Reorganization in Group 4 Metallocene and “Constrained Geometry” Catalysts J. Am. Chem. Soc. 1998, 120, 1772−1784 Paul A. Deck, Colin L. Beswick, and Tobin J. Marks p 12167 DOI: 10.1021/ja9855242

The Combinatorial Index By Barry A. Bunin (AxyS Pharmaceuticals). Academic Press:  San Diego. 1998. xvii + 322 pp. $79.95. ISBN 0-12-141340-3. Jonathan A. Ellman pp 12167–12168 DOI: 10.1021/ja9856506

Theoretical Organic Chemistry Edited by Cyril Párkányi (Florida Atlantic University). Elsevier:  Amsterdam. 1998. xiv + 622 pp. $330.50. ISBN 0-444-82660-2. David C. Young p 12168 DOI: 10.1021/ja985674c

Issue 47

Developmental Neurobiology Implications from Fabrication and Analysis of Hippocampal Neuronal Networks on Patterned Silane-Modified Surfaces M. S. Ravenscroft, K. E. Bateman, K. M. Shaffer, H. M. Schessler, D. R. Jung, T. W. Schneider, C. B. Montgomery, T. L. Custer, A. E. Schaffner, Q. Y. Liu, Y. X. Li, J. L. Barker, and J. J. Hickman pp 12169–12177 DOI: 10.1021/ja973669n

Phosphonate Lipid Tubules. 1 B. N. Thomas, R. C. Corcoran, C. L. Cotant, C. M. Lindemann, J. E. Kirsch, and P. J. Persichini pp 12178–12186 DOI: 10.1021/ja973933c

Toward Photoswitchable Dendritic Hosts. Interaction between Azobenzene-Functionalized Dendrimers and Eosin Andreas Archut, Gianluca Camillo Azzellini, Vincenzo Balzani, Luisa De Cola, and Fritz Vögtle pp 12187–12191 DOI: 10.1021/ja9822409

Regulation of β-Sheet Structures within Amyloid-Like β-Sheet Assemblage from Tripeptide Derivatives Norihiro Yamada, Katsuhiko Ariga, Masanobu Naito, Kazuhiro Matsubara, and Emiko Koyama pp 12192–12199 DOI: 10.1021/ja981363q

Conformations of Thioamide-Containing Dipeptides:  A Computational Study Dean R. Artis and Mark A. Lipton pp 12200–12206 DOI: 10.1021/ja982398t Supporting Info

Synthesis of Highly Charged Organometallic Dendrimers and Their Characterization by Electrospray Mass Spectrometry and Single-Crystal X-ray Diffraction Joshua W. Kriesel, Stefan König, Michael A. Freitas, Alan G. Marshall, Julie A. Leary, and T. Don Tilley pp 12207–12215 DOI: 10.1021/ja981610q Supporting Info

Self-Folding Cavitands Dmitry M. Rudkevich, Göran Hilmersson, and Julius Rebek, Jr. pp 12216–12225 DOI: 10.1021/ja982970g Supporting Info

Complexation of Fullerenes with Bis-calix[n]arenes Synthesized by Tandem Claisen Rearrangement1 Jianshe Wang and C. David Gutsche pp 12226–12231 DOI: 10.1021/ja981530m

Nickel-Promoted First Ene−Diyne Cycloaddition Reaction on C60:  Synthesis and Photochemistry of the Fullerene Derivatives Tsung-Yu Hsiao, K. C. Santhosh, Kou-Fu Liou, and Chien-Hong Cheng pp 12232–12236 DOI: 10.1021/ja982277t Supporting Info

Total Synthesis and Immunosuppressive Activity of (−)-Pateamine A and Related Compounds:  Implementation of a β-Lactam-Based Macrocyclization Daniel Romo, Robert M. Rzasa, Helene A. Shea, Kaapjoo Park, Joseph M. Langenhan, Luo Sun, Alexander Akhiezer, and Jun O. Liu pp 12237–12254 DOI: 10.1021/ja981846u Supporting Info

2,6,10-Tris(dialkylamino)trioxatriangulenium Ions. Synthesis, Structure, and Properties of Exceptionally Stable Carbenium Ions Bo W. Laursen, Frederik C. Krebs, Merete F. Nielsen, Klaus Bechgaard, Jørn B. Christensen, and Niels Harrit pp 12255–12263 DOI: 10.1021/ja982550r Supporting Info

Role of α-Helix Conformation Cooperating with NH···S Hydrogen Bond in the Active Site of Cytochrome P-450 and Chloroperoxidase:  Synthesis and Properties of [MIII(OEP)(Cys-Helical Peptide)] (M = Fe and Ga) Takafumi Ueno, Yukihide Kousumi, Kumiko Yoshizawa-Kumagaye, Kiichiro Nakajima, Norikazu Ueyama, Taka-aki Okamura, and Akira Nakamura pp 12264–12273 DOI: 10.1021/ja980016d Supporting Info

Bent Tridentate Receptors in Calamitic Mesophases with Predetermined Photophysical Properties:  New Luminescent Lanthanide-Containing Materials Homayoun Nozary, Claude Piguet, Paul Tissot, Gérald Bernardinelli, Jean-Claude G. Bünzli, Robert Deschenaux, and Daniel Guillon pp 12274–12288 DOI: 10.1021/ja982545n Supporting Info

Heterogeneous Heck Catalysis with Palladium-Grafted Molecular Sieves Christian P. Mehnert, David W. Weaver, and Jackie Y. Ying pp 12289–12296 DOI: 10.1021/ja971637u

Superconductivity in Nb21S8, a Phase with Metal Cluster Chains Martin Köckerling, Dirk Johrendt, and E. Wolfgang Finckh pp 12297–12302 DOI: 10.1021/ja982081t

Theoretical Study of the Concerted and Stepwise Mechanisms of Triazolinedione Diels−Alder Reactions Jenny S. Chen, K. N. Houk, and Christopher S. Foote pp 12303–12309 DOI: 10.1021/ja982050y

Rearrangements of Allene Oxide, Oxyallyl, and Cyclopropanone B. Andes Hess, Jr., U. Eckart, and J. Fabian pp 12310–12315 DOI: 10.1021/ja9821652 Supporting Info

Infrared Multiphoton Chemistry of Transition Metal/Ethanol Ion Complexes D. A. Kirkwood and A. J. Stace pp 12316–12326 DOI: 10.1021/ja980156n

Laser Photolysis of Matrix-Isolated Methyl Nitrate:  Experimental and Theoretical Characterization of the Infrared Spectrum of Imine Peroxide (HNOO) Ping Ling, Alexander I. Boldyrev, Jack Simons, and Charles A. Wight pp 12327–12333 DOI: 10.1021/ja9824223

Determination of Relative N−HN, N−C‘, Cα−C‘, and Cα−Hα Effective Bond Lengths in a Protein by NMR in a Dilute Liquid Crystalline Phase Marcel Ottiger and Ad Bax pp 12334–12341 DOI: 10.1021/ja9826791 Supporting Info

Theoretical and Experimental Study of the 13C Chemical Shift Tensors of Acetone Complexed with Brønsted and Lewis Acids Dewey H. Barich, John B. Nicholas, Teng Xu, and James F. Haw pp 12342–12350 DOI: 10.1021/ja982226w Supporting Info

Synthesis and Properties of Monocyclic Selenophene 1-Oxides Takashi Umezawa, Yoshiaki Sugihara, Akihiko Ishii, and Juzo Nakayama pp 12351–12352 DOI: 10.1021/ja982359h Supporting Info

Template-Imprinted Chiral Porphyrin Aggregates Emanuele Bellacchio, Rosaria Lauceri, Sergio Gurrieri, Luigi Monsù Scolaro, Andrea Romeo, and Roberto Purrello pp 12353–12354 DOI: 10.1021/ja9820893

Highly Endo- and Enantioselective Asymmetric Nitrone Cycloadditions Catalyzed by the Aqua Complex of 4,6-Dibenzofurandiyl-2,2‘-bis(4-phenyl- oxazoline)−Nickel(II) Perchlorate. Transition Structure Based on Dramatic Effect of MS 4A on Selectivities Shuji Kanemasa, Yoji Oderaotoshi, Junji Tanaka, and Eiji Wada pp 12355–12356 DOI: 10.1021/ja982254e Supporting Info

Mechanism of Transient Dark Activity of 13-Desmethylretinal/Rod Opsin Complex Qiang Tan and Koji NakanishiRosalie K. Crouch pp 12357–12358 DOI: 10.1021/ja9827752

Rapid Luminescent Detection of Phosphate Esters in Solution and the Gas Phase Using (dppe)Pt{S2C2(2-pyridyl)(CH2CH2OH)} Kelly A. Van Houten, Danica C. Heath, and Robert S. Pilato pp 12359–12360 DOI: 10.1021/ja982365d Supporting Info

Vibrational Spectroscopy of the Ionic Hydrogen Bond:  Fermi Resonances and Ion−Molecule Stretching Frequencies in the Binary X-·H2O (X = Cl, Br, I) Complexes via Argon Predissociation Spectroscopy Patrick Ayotte, Gary H. Weddle, Jun Kim, and Mark A. Johnson pp 12361–12362 DOI: 10.1021/ja981979f

•OH and O2•- Generation in Aqueous C60 and C70 Solutions by Photoirradiation:  An EPR Study Yoko Yamakoshi, Shoko Sueyoshi, Kiyoshi Fukuhara, and Naoki MiyataToshiki Masumizu and Masahiro Kohno pp 12363–12364 DOI: 10.1021/ja9823969 Supporting Info

The First Example of Rhodium(I)-Catalyzed Regio- and Stereoselective Chloroesterification of Alkynes with Chloroformate Esters Ruimao Hua, Shigeru Shimada, and Masato Tanaka pp 12365–12366 DOI: 10.1021/ja9822299 Supporting Info

C60 Mediated Aggregation of Gold Nanoparticles Mathias Brust, Christopher J. Kiely, Donald Bethell, and David J. Schiffrin pp 12367–12368 DOI: 10.1021/ja982776u

Sulfatase Activity of E. coli Alkaline Phosphatase Demonstrates a Functional Link to Arylsulfatases, an Evolutionarily Related Enzyme Family Patrick J. O'Brien and Daniel Herschlag pp 12369–12370 DOI: 10.1021/ja983390m Supporting Info

NMR Study of Intramolecular Interactions between Aromatic Groups:  Van der Waals, Charge-Transfer, or Quadrupolar Interactions? J. Am. Chem. Soc. 1998, 120, 9632−9645NMR Study of Intramolecular Interactions between Aromatic Groups:  Van der Waals, Charge-Transfer, or Quadrupolar Interactions? Nicholas J. Heaton, Pablo Bello, Bernardo Herradón, Aránzazu del Campo, and Jesús Jiménez-BarberoNicholas J. Heaton, Pablo Bello, Bernardo Herradón, Aránzazu del Campo, and Jesús Jiménez-Barbero pp 12371–12384 DOI: 10.1021/ja985529z

Commercial Biosensors. Applications to Clinical, Bioprocess, and Environmental Samples Edited by Graham Ramsay (Wolpert Polymers, Inc). Wiley-Interscience:  New York. 1998. v + 304 pp. $69.95. ISBN 0-471-58505-X. Mark A. Arnold p 12385 DOI: 10.1021/ja9856405

Enantioselective Synthesis of β-Amino Acids Edited by Eusebio Juaristi (Instituto Politécnico Nacional, Mexico). Wiley-VCH:  New York. 1997. xviii + 491 pp. $135.00. ISBN 0-471-18627-9. Charles S. Swindell pp 12385–12386 DOI: 10.1021/ja9856248

Hydrocarbon Resins By Rolf Mildenberg, Gerd Collin, and Mechthild Zander. Wiley-VCH:  New York. 1997. xii + 179 pp. $140.00. ISBN 3-527-286179. Clarence J. Wolf p 12386 DOI: 10.1021/ja975628x

Bioorganic Chemistry:  Peptides and Proteins Edited by Sidney M. Hecht (University of Virginia). Oxford University Press:  New York. 1998. vii + 532 pp. $75.00. ISBN 0-195-08468-3. Stephen A. Woski p 12386 DOI: 10.1021/ja985642p

Transition Metals in Organic Synthesis:  A Practical Approach Edited by Susan E. Gibson. Oxford University Press:  Oxford. 1997. vii + 234 pp. $125.00. ISBN 0-19-855845-7. Charles M. Garner p 12386 DOI: 10.1021/ja9856452

Issue 48

Importance of Correlated Motions in Forming Highly Reactive Near Attack Conformations in Catechol O-Methyltransferase Edmond Y. Lau and Thomas C. Bruice pp 12387–12394 DOI: 10.1021/ja9827447

Facile Synthesis of Oligodeoxyribonucleotides via the Phosphoramidite Method without Nucleoside Base Protection Yoshihiro Hayakawa and Masanori Kataoka pp 12395–12401 DOI: 10.1021/ja973731g Supporting Info

Three-Dimensional Structure and Reactivity of a Photochemical Cleavage Agent Bound to DNA Susan M. Gasper, Bruce Armitage, Xiuqi Shui, Gary G. Hu, Changjun Yu, Gary B. Schuster, and Loren Dean Williams pp 12402–12409 DOI: 10.1021/ja981761t

Dynamic Flexibility of Protein−Inhibitor Complexes:  A Study of the HIV-1 Protease/KNI-272 Complex Xincai Luo, Ryohei Kato, and Jack R. Collins pp 12410–12418 DOI: 10.1021/ja9824066

Positively Charged Deoxynucleic Methylthioureas:  Synthesis and Binding Properties of Pentameric Thymidyl Methylthiourea Dev P. Arya and Thomas C. Bruice pp 12419–12427 DOI: 10.1021/ja9829416 Supporting Info

Kinetics and Mechanism of the Recognition of Endotoxin by Polymyxin B Celestine J. Thomas, Beechanahalli P. Gangadhar, Namita Surolia, and Avadhesha Surolia pp 12428–12434 DOI: 10.1021/ja981777j

Total Synthesis of Calyculin C Anthony K. Ogawa and Robert W. Armstrong pp 12435–12442 DOI: 10.1021/ja980836q Supporting Info

Binding of Acetylcholine and Quaternary Ammonium Cations to Macrocyclic and Acyclic “Phane” Esters. Evaluation of the Cation−π Primary Interaction through Adaptive Aromatic Hosts Stefano Roelens and Riccardo Torriti pp 12443–12452 DOI: 10.1021/ja981338k Supporting Info

In-Cage Formation of Carbanions in Photoinduced Electron-Transfer Reaction of Carboxylate Ions Hajime Yokoi, Tomoharu Nakano, Wataru Fujita, Katsuya Ishiguro, and Yasuhiko Sawaki pp 12453–12458 DOI: 10.1021/ja981470k Supporting Info

Accelerating Effect Induced by the Structure of α-Amino Acid in the Copper-Catalyzed Coupling Reaction of Aryl Halides with α-Amino Acids. Synthesis of Benzolactam-V8 Dawei Ma, Yongda Zhang, Jiangchao Yao, Shihui Wu, and Fenggang Tao pp 12459–12467 DOI: 10.1021/ja981662f

An Asymmetric Synthesis of Optically Pure α,α-Disubstituted Amino Aldehydes, α,α-Disubstituted Amino Acids, and Sterically Demanding Dipeptides Steve Wenglowsky and Louis S. Hegedus pp 12468–12473 DOI: 10.1021/ja9823518 Supporting Info

Synthetic and Immunological Studies on Clustered Modes of Mucin-Related Tn and TF O-Linked Antigens:  The Preparation of a Glycopeptide-Based Vaccine for Clinical Trials against Prostate Cancer Scott D. Kuduk, Jacob B. Schwarz, Xiao-Tao Chen, Peter W. Glunz, Dalibor Sames, Govindaswami Ragupathi, Philip O. Livingston, and Samuel J. Danishefsky pp 12474–12485 DOI: 10.1021/ja9825128 Supporting Info

Applications of the β-Azidonation Reaction to Organic Synthesis. α,β-Enones, Conjugate Addition, and γ-Lactam Annulation Philip Magnus, Jérôme Lacour, P. Andrew Evans, Pascal Rigollier, and Hans Tobler pp 12486–12499 DOI: 10.1021/ja9829564 Supporting Info

Protonation of Rhenium Alkyne Complexes Produces η3-Allyl Rhenium Complexes via Observable 1-Metallacyclopropene Intermediates Charles P. Casey, John T. Brady, Timothy M. Boller, Frank Weinhold, and Randy K. Hayashi pp 12500–12511 DOI: 10.1021/ja9815374 Supporting Info

Binding Preferences of the Tribenzylidenemethane Ligand in High-Oxidation-State Tantalum Complexes George Rodriguez, John P. Graham, W. Donald Cotter, Caroline K. Sperry, Guillermo C. Bazan, and Bruce E. Bursten pp 12512–12523 DOI: 10.1021/ja981640t Supporting Info

New Catalytic Properties of Iron Porphyrins: Model Systems for Cytochrome P450-Catalyzed Dehydration of Aldoximes Jason Hart-Davis, Pierrette Battioni, Jean-Luc Boucher, and Daniel Mansuy pp 12524–12530 DOI: 10.1021/ja981805y

Compounds with Two Metal−Metal Multiple Bonds:  New Ways of Making Doublets into Cyclic Quartets F. Albert Cotton, Lee M. Daniels, Isabelle Guimet, Robert W. Henning, Glenn T. Jordan, IV, Chun Lin, Carlos A. Murillo, and Arthur J. Schultz pp 12531–12538 DOI: 10.1021/ja982425f Supporting Info

Formation of η2 C−H Agostic Rhodium Arene Complexes and Their Relevance to Electrophilic Bond Activation Arkadi Vigalok, Olivier Uzan, Linda J. W. Shimon, Yehoshoa Ben-David, Jan M. L. Martin, and David Milstein pp 12539–12544 DOI: 10.1021/ja982534u Supporting Info

Catalytic Activity of Ni(II)−Terpyridine Complex in Phosphodiester Transesterification Remarkably Enhanced by Self-Assembly of Terpyridines on Poly(ethylenimine) Junghun Suh and Sang Hyun Hong pp 12545–12552 DOI: 10.1021/ja982705v Supporting Info

Diminishing π-Stabilization of an Unsaturated Metal Center:  Hydrogen Bonding to OsHCl(CO)(PtBu2Me)2 Dmitry V. Yandulov, Kenneth G. Caulton, Natalia V. Belkova, Elena S. Shubina, Lina M. Epstein, Dmitry V. Khoroshun, Djamaladdin G. Musaev, and Keiji Morokuma pp 12553–12563 DOI: 10.1021/ja980751p Supporting Info

Spectroscopic and Functional Characterization of a Ligand Coordination Mutant of Soybean Lipoxygenase-1:  First Coordination Sphere Analogue of Human 15-Lipoxygenase Theodore R. Holman, Jing Zhou, and Edward I. Solomon pp 12564–12572 DOI: 10.1021/ja982844c Supporting Info

Conformationally Induced Changes in the Electronic Structures of Some Flexible Benzenes. A Molecular Orbital Model R. T. Kroemer, K. R. Liedl, J. A. Dickinson, E. G. Robertson, J. P. Simons, D. R. Borst, and D. W. Pratt pp 12573–12582 DOI: 10.1021/ja980104y

Reaction of NH (X) with Oxygen in a Solid Xenon Matrix:  Formation and Infrared Spectrum of Imine Peroxide, HNOO Sandra L. Laursen, James E. Grace, Jr., Roger L. DeKock, and Steven A. Spronk pp 12583–12594 DOI: 10.1021/ja970749i Supporting Info

Toward Elimination of Discrepancies between Theory and Experiment:  Double Proton Transfer in Dimers of Carboxylic Acids Thomas Loerting and Klaus R. Liedl pp 12595–12600 DOI: 10.1021/ja9817390

6Li and 7Li MAS NMR Studies of Lithium Manganate Cathode Materials Young Joo Lee, Francis Wang, and Clare P. Grey pp 12601–12613 DOI: 10.1021/ja9817794

A Fluorescent Probe for Antioxidants Werner M. Nau pp 12614–12618 DOI: 10.1021/ja981453v

A Search for Chiral Photochromic Optical Triggers for Liquid Crystals:  Photoracemization of 1,1‘-Binaphthylpyran through a Transient Biaryl Quinone Methide Intermediate Kikue S. Burnham and Gary B. Schuster pp 12619–12625 DOI: 10.1021/ja982464r

Triplet Energy Transfer through the Walls of Hemicarcerands:  Temperature Dependence and the Role of Internal Reorganization Energy Ileana Place, Angeles Farran, Kurt Deshayes, and Piotr Piotrowiak pp 12626–12633 DOI: 10.1021/ja982538z Supporting Info

Inertness of the Aryl−F Bond toward Oxidative Addition to Osmium and Rhodium Complexes:  Thermodynamic or Kinetic Origin? Ramon Bosque, Eric Clot, Simona Fantacci, Feliu Maseras, Odile Eisenstein, Robin N. Perutz, Kenton B. Renkema, and Kenneth G. Caulton pp 12634–12640 DOI: 10.1021/ja9824573

Symmetry of the Hydrogen Bond in Malonaldehyde Enol in Solution Charles L. Perrin and Yeong-Joon Kim pp 12641–12645 DOI: 10.1021/ja9825579

Alkali Metal Salts of Dianions:  A Theoretical and Experimental Study of (C6H4)2-M+ (M = Li and Na) Steven M. Bachrach, Michael Hare, and Steven R. Kass pp 12646–12649 DOI: 10.1021/ja9825478

Structure and Electron Counting in Ternary Transition Metal Hydrides Timothy K. Firman and Clark R. Landis pp 12650–12656 DOI: 10.1021/ja982746r Supporting Info

The Prototype Ge−H Insertion Reaction of Germylene with Germane. Absolute Rate Constants, Temperature Dependence, RRKM Modeling and the Potential Energy Surface Rosa Becerra, Sergei E. Boganov, Mikhail P. Egorov, Valery I. Faustov, Oleg M. Nefedov, and Robin Walsh pp 12657–12665 DOI: 10.1021/ja983223m

The First Non-Pyrolytic Synthesis of a Semibuckminsterfullerene Andrzej Sygula and Peter W. Rabideau pp 12666–12667 DOI: 10.1021/ja9828760 Supporting Info

Surface Reactivity of a Sputter-Annealed Al−Pd−Mn Quasicrystal Cynthia J. Jenks, Thomas A. Lograsso, and Patricia A. Thiel pp 12668–12669 DOI: 10.1021/ja981916x

Crystallization of Millimeter-Scale Objects with Use of Capillary Forces Joe Tien, Tricia L. Breen, and George M. Whitesides pp 12670–12671 DOI: 10.1021/ja982246y

Direct Observation of Stereodefect Sites in Semicrystalline Poly(lactide) Using 13C Solid-State NMR Mark T. Zell, Brian E. Padden, Amanda J. Paterick, Marc A. Hillmyer, Robert T. Kean, Khalid A. M. Thakur, and Eric J. Munson pp 12672–12673 DOI: 10.1021/ja981773e

DNA-Directed Synthesis of Binary Nanoparticle Network Materials Robert C. Mucic, James J. Storhoff, Chad A. Mirkin, and Robert L. Letsinger pp 12674–12675 DOI: 10.1021/ja982721s

Suzuki Porphyrins:  New Synthons for the Fabrication of Porphyrin-Containing Supramolecular Assemblies Alison G. Hyslop, Matthew A. Kellett, Peter M. Iovine, and Michael J. Therien pp 12676–12677 DOI: 10.1021/ja982410h Supporting Info

Colorimetric Detection of Escherichia coli by Polydiacetylene Vesicles Functionalized with Glycolipid Zhanfang Ma, Jinru Li, Minghua Liu, Jie Cao, Zhiying Zou, Jing Tu, and Long Jiang pp 12678–12679 DOI: 10.1021/ja982663a Supporting Info

Entropy Contributions to DNA-Promoted and DNA-Retarded Chemistry Revealed by Reactions of Gold(III) Complexes with Thione-Containing Nucleosides and Oligonucleotides Anna Ericson, Jason L. McCary, Robert S. Coleman, and Sofi K. C. Elmroth pp 12680–12681 DOI: 10.1021/ja981412z Supporting Info

Synthesis and Characterization of Na2{Ge(C6H3-2,6-Trip2)}2 and K2{Sn(C6H3-2,6-Trip2)}2 (Trip = -C6H2-2,4,6-i-Pr3):  A New Class of Multiply Bonded Main Group Compounds Lihung Pu, Mathias O. Senge, Marilyn M. Olmstead, and Philip P. Power pp 12682–12683 DOI: 10.1021/ja982717g Supporting Info

A Fully Synthetic Route to the Neurotrophic Illicinones by Sequential Aromatic Claisen Rearrangements Thomas R. R. Pettus, Xiao-Tao Chen, and Samuel J. Danishefsky pp 12684–12685 DOI: 10.1021/ja982582e Supporting Info

Mapping of the Hot Spots for DNA Damage by One-Electron Oxidation: Efficacy of GG Doublets and GGG Triplets as a Trap in Long-Range Hole Migration Isao Saito, Takashi Nakamura, Kazuhiko Nakatani, Yasunori Yoshioka, Kizashi Yamaguchi, and Hiroshi Sugiyama pp 12686–12687 DOI: 10.1021/ja981888i Supporting Info

Supramolecular Catalysis of 1,4-Thiol Addition by Salophen−Uranyl Complexes Valeria van Axel Castelli, Antonella Dalla Cort, and Luigi MandoliniDavid N. Reinhoudt pp 12688–12689 DOI: 10.1021/ja9819920

UVRR Spectroscopy of the Metal Receptor Site in MerR Gerhard Fleissner, Michael D. Reigle, Thomas V. O'Halloran, and Thomas G. Spiro pp 12690–12691 DOI: 10.1021/ja9830703

Density Functional Study on Activation of ortho-CH Bond in Aromatic Ketone by Ru Complex. Role of Unusual Five-Coordinated d6 Metallacycle Intermediate with Agostic Interaction Toshiaki Matsubara, Nobuaki Koga, Djamaladdin G. Musaev, and Keiji Morokuma pp 12692–12693 DOI: 10.1021/ja9816943

Totally Synthetic Polymer Gels Responding to External Glucose Concentration:  Their Preparation and Application to On−Off Regulation of Insulin Release Kazunori Kataoka, Hiroaki Miyazaki, Masayuki Bunya, Teruo Okano, and Yasuhisa Sakurai pp 12694–12695 DOI: 10.1021/ja982975d

Nanometer Gold Clusters Protected by Surface-Bound Monolayers of Thiolated Poly(ethylene glycol) Polymer Electrolyte W. Peter Wuelfing, Stephen M. Gross, Deon T. Miles, and Royce W. Murray pp 12696–12697 DOI: 10.1021/ja983183m Supporting Info

Oligonucleotide Synthesis Using Solution Photogenerated Acids Xiaolian Gao, Peilin Yu, Eric LeProust, Laëtitia Sonigo, Jean Philippe Pellois, and Hua Zhang pp 12698–12699 DOI: 10.1021/ja9827191 Supporting Info

Studying Ionic Reactions by a New Generation/Collection Technique Yuanhua Shao, Biao Liu, and Michael V. Mirkin pp 12700–12701 DOI: 10.1021/ja983154b

A Two-Component Catalyst System for Asymmetric Allylic Alkylations with Alcohol Pronucleophiles Barry M. Trost, Ernest J. McEachern, and F. Dean Toste pp 12702–12703 DOI: 10.1021/ja983238k Supporting Info

Design, Synthesis, and Evaluation of a Pyrrolinone−Peptide Hybrid Ligand for the Class II MHC Protein HLA-DR1 Amos B. Smith, III, Andrew B. Benowitz, Mark C. Guzman, Paul A. Sprengeler, and Ralph HirschmannEdwin J. Schweiger, David R. Bolin, Zoltan Nagy, Robert M. Campbell, Donald C. Cox, and Gary L. Olson pp 12704–12705 DOI: 10.1021/ja982973t Supporting Info

Sterically Hindered Chelating Alkyl Phosphines Provide Large Rate Accelerations in Palladium-Catalyzed Amination of Aryl Iodides, Bromides, and Chlorides, and the First Amination of Aryl Tosylates J. Am. Chem. Soc. 1998, 120, 7369−7370 Blake C. Hamann and John F. Hartwig p 12706 DOI: 10.1021/ja985527e

Single Scan, Sensitivity- and Gradient-Enhanced TROSY for Multidimensional NMR Experiments J. Am. Chem. Soc. 1998, 120, 10778−10779 Johan Weigelt p 12706 DOI: 10.1021/ja9855287

The Jahn-Teller Effect in C60 and Other Icosahedral Complexes By C. C. Chancey (Purdue University) and M. C. M. O'Brien (Oxford University). Princeton University Press:  Princeton, NJ. 1997. xv + 204 pp. $55.00. ISBN 0-691-04445-7. Robert Silbey p 12706 DOI: 10.1021/ja985621v

Issue 49

Photochromism of Spirooxazines in Homogeneous Solution and Phospholipid Liposomes Rafail F. Khairutdinov, Keturah Giertz, James K. Hurst, Elena N. Voloshina, Nikolai A. Voloshin, and Vladimir I. Minkin pp 12707–12713 DOI: 10.1021/ja9825985 Supporting Info

Synthesis and Reactivity of a Stable Silylene Michael Haaf, Andreas Schmiedl, Thomas A. Schmedake, Douglas R. Powell, Anthony J. Millevolte, Michael Denk, and Robert West pp 12714–12719 DOI: 10.1021/ja9733999 Supporting Info

Application of Non-Steady-State Kinetics to Resolve the Kinetics of Proton-Transfer Reactions between Methylarene Radical Cations and Pyridine Bases Vernon D. Parker, Yixing Zhao, Yun Lu, and Gang Zheng pp 12720–12727 DOI: 10.1021/ja982682k Supporting Info

Formation of σ- and π-Type Dimer Radical Cations by the Photochemical One-Electron Oxidation of Aromatic Sulfides Hajime Yokoi, Akio Hatta, Katsuya Ishiguro, and Yasuhiko Sawaki pp 12728–12733 DOI: 10.1021/ja982595s Supporting Info

A Chemical Approach To Illustrate the Principle of Signal Transduction Cascades Using the Avidin−Biotin System Margherita Morpurgo, Heike Hofstetter, Edward A. Bayer, and Meir Wilchek pp 12734–12739 DOI: 10.1021/ja982817m

Combined Molecular Dynamics and Φ-Value Analysis of Structure−Reactivity Relationships in the Transition State and Unfolding Pathway of Barnase:  Structural Basis of Hammond and Anti-Hammond Effects Valerie Daggett, Aijun Li, and Alan R. Fersht pp 12740–12754 DOI: 10.1021/ja981558y

An Investigation of the Yang Photocyclization Reaction in the Solid State:  Asymmetric Induction Studies and Crystal Structure−Reactivity Relationships Mordechai Leibovitch, Gunnar Olovsson, John R. Scheffer, and James Trotter pp 12755–12769 DOI: 10.1021/ja9823013

Solid-State Photochemistry of o-Aroylbenzothioates:  Absolute Asymmetric Phthalide Formation Involving 1,4-Aryl Migration Masaki Takahashi, Norio Sekine, Tsutomu Fujita, Shoji Watanabe, Kentaro Yamaguchi, and Masami Sakamoto pp 12770–12776 DOI: 10.1021/ja982696q Supporting Info

A Direct and Efficient Stereocontrolled Synthetic Route to the Pseudopterosins, Potent Marine Antiinflammatory Agents E. J. Corey and Scott E. Lazerwith pp 12777–12782 DOI: 10.1021/ja983041s

A Light-Activated Antibody Catalyst Matthew J. Taylor, Timothy Z. Hoffman, Jari T. Yli-Kauhaluoma, Richard A. Lerner, and Kim D. Janda pp 12783–12790 DOI: 10.1021/ja982711r Supporting Info

Chromophore-in-Protein Modeling of the Structures and Resonance Raman Spectra for Type 1 Copper Proteins Di Qiu, Siddharth Dasgupta, Pawel M. Kozlowski, William A. Goddard III, and Thomas G. Spiro pp 12791–12797 DOI: 10.1021/ja964472i

X-ray Powder Diffraction Structure Reinvestigation of the α and β Forms of Cobalt Phthalocyanine and Kinetics of the α → β Phase Transition Paolo Ballirano, Ruggero Caminiti, Claudio Ercolani, Adriana Maras, and Maria Antonietta Orrù pp 12798–12807 DOI: 10.1021/ja973815p Supporting Info

Synthesis and Nonlinear Optical, Photophysical, and Electrochemical Properties of Subphthalocyanines B. del Rey, U. Keller, T. Torres, G. Rojo, F. Agulló-López, S. Nonell, C. Martí, S. Brasselet, I. Ledoux, and J. Zyss pp 12808–12817 DOI: 10.1021/ja980508q Supporting Info

Functionalizing Heterocycles by Electron-Deficient Bonding to a Triosmium Cluster Brian Bergman, Richard Holmquist, Ryan Smith, Edward Rosenberg, Joana Ciurash, Kenneth Hardcastle, and Mandana Visi pp 12818–12828 DOI: 10.1021/ja981445e Supporting Info

Detailed Spectroscopic and Theoretical Studies on [Fe(EDTA)(O2)]3-:  Electronic Structure of the Side-on Ferric−Peroxide Bond and Its Relevance to Reactivity Frank Neese and Edward I. Solomon pp 12829–12848 DOI: 10.1021/ja981561h Supporting Info

Emergence of a Novel Catalytic Radical Reaction:  Titanocene-Catalyzed Reductive Opening of Epoxides Andreas Gansäuer, Harald Bluhm, and Marianna Pierobon pp 12849–12859 DOI: 10.1021/ja981635p

Synthesis and Unusual Physical Behavior of a Photorefractive Polymer Containing Tris(bipyridyl)ruthenium(II) Complexes as a Photosensitizer and Exhibiting a Low Glass-Transition Temperature Qing Wang, Liming Wang, and Luping Yu pp 12860–12868 DOI: 10.1021/ja9825130

Synthesis, Structures, and Reactivity of Bis(dithiolene)molybdenum(IV,VI) Complexes Related to the Active Sites of Molybdoenzymes James P. Donahue, Christian R. Goldsmith, Uma Nadiminti, and R. H. Holm pp 12869–12881 DOI: 10.1021/ja982914f Supporting Info

Neutron Reflectivity Determination of Buried Electroactive Interface Structure:  PBT/PPy and PBT/PXV Bilayers A. Robert Hillman, Paul M. Saville, Andrew Glidle, Robert M. Richardson, Stephen J. Roser, Marcus J. Swann, and John R. P. Webster pp 12882–12890 DOI: 10.1021/ja970301h

Spin Diffusion with 13C Selection and Detection for the Characterization of Morphology in Labeled Polymer Blends with MAS NMR F. M. Mulder, W. Heinen, M. van Duin, J. Lugtenburg, and H. J. M. de Groot pp 12891–12894 DOI: 10.1021/ja9809511

A Model Study of the Enzyme-Catalyzed Cytosine Methylation Using ab Initio Quantum Mechanical and Density Functional Theory Calculations:  pKa of the Cytosine N3 in the Intermediates and Transition States of the Reaction Mikael Peräkylä pp 12895–12902 DOI: 10.1021/ja981405a

Partial Orientation of Oxidized and Reduced Cytochrome b5 at High Magnetic Fields:  Magnetic Susceptibility Anisotropy Contributions and Consequences for Protein Solution Structure Determination Lucia Banci, Ivano Bertini, J. Gaspard Huber, Claudio Luchinat, and Antonio Rosato pp 12903–12909 DOI: 10.1021/ja981791w Supporting Info

The Core Structure of X Generated in the Assembly of the Diiron Cluster of Ribonucleotide Reductase:  17O2 and H217O ENDOR Doug Burdi, Jean-Paul Willems, Pam Riggs-Gelasco, William E. Antholine, JoAnne Stubbe, and Brian M. Hoffman pp 12910–12919 DOI: 10.1021/ja9824270

Conformational Behavior of Cinchonidine in Different Solvents:  A Combined NMR and ab Initio Investigation Thomas Bürgi and Alfons Baiker pp 12920–12926 DOI: 10.1021/ja982466b Supporting Info

Ground-State Reverse Double Proton Transfer of 7-Azaindole Pi-Tai Chou, Wei-Shan Yu, Youn-Chan Chen, Ching-Yen Wei, and Shannon Studer Martinez pp 12927–12934 DOI: 10.1021/ja982940d

Topochemical Control of Covalent Bond Formation by Dihydrogen Bonding Radu Custelcean and James E. Jackson pp 12935–12941 DOI: 10.1021/ja982959g Supporting Info

Protonation of β-Cyanoenamines:  NMR Spectroscopic and Calculational Studies of Ketenimine Amidinium Ion Formation Tammy J. Dwyer, Paul G. Jasien, Scott M. Kirkowski, Charles M. Buxton, Jeannie M. Arruda, and Gregory W. Mitchell pp 12942–12949 DOI: 10.1021/ja983016m

Sequence Dependent Long Range Hole Transport in DNA Eric Meggers, Maria E. Michel-Beyerle, and Bernd Giese pp 12950–12955 DOI: 10.1021/ja983092p

Is Arginine Zwitterionic or Neutral in the Gas Phase? Results from IR Cavity Ringdown Spectroscopy C. J. Chapo, J. B. Paul, R. A. Provencal, K. Roth, and R. J. Saykally pp 12956–12957 DOI: 10.1021/ja982991a

The First Example of a Crystalline Subvalent Organolanthanum Complex:  [K([18]crown-6)- (η2-C6H6)2][(LaCptt2)2(μ-η6:η6-C6H6)]•2C6H6 (Cptt = η5-C5H3But2-1,3) M. Cristina Cassani, David J. Duncalf, and Michael F. Lappert pp 12958–12959 DOI: 10.1021/ja980377t Supporting Info

Peroxo-, Oxo-, and Hydroxo-Bridged Dicopper Complexes:  Observation of Exogenous Hydrocarbon Substrate Oxidation Honorio V. Obias, Yin Lin, N. N. Murthy, Elna Pidcock, Edward I. Solomon, Martina Ralle, Ninian J. Blackburn, Yorck-Michael Neuhold, Andreas D. Zuberbühler, and Kenneth D. Karlin pp 12960–12961 DOI: 10.1021/ja981878h Supporting Info

Folded Conformation in Peptides Containing Furanoid Sugar Amino Acids T. K. Chakraborty, S. Jayaprakash, P. V. Diwan, R. Nagaraj, S. R. B. Jampani, and A. C. Kunwar pp 12962–12963 DOI: 10.1021/ja9816685 Supporting Info

Electronic Structure of Reaction Intermediate of Cytochrome P450nor in Its Nitric Oxide Reduction Eiji Obayashi, Satoshi Takahashi, and Yoshitsugu Shiro pp 12964–12965 DOI: 10.1021/ja9813764

Subattomole Fluorescence Determination of Catecholamines in Capillary Electrophoresis Effluent Streams Michael L. Gostkowski and Jason B. Shear pp 12966–12967 DOI: 10.1021/ja982977y

Resonance Effects in Electroactive Poly(3-hexylthiophene) Films A. Robert Hillman and Mark J. BrownStephen J. Martin pp 12968–12969 DOI: 10.1021/ja9829766

Site-Dependent Stereoselective Binding of Ruthenium Aquobipyridine Complexes to Histidine Side Chains in Horse Heart Cytochrome c Jian Luo, James F. Wishart, and Stephan S. Isied pp 12970–12971 DOI: 10.1021/ja9829261 Supporting Info

Acid−Base Chemistry of the Metal-Bonded Porphyrinogen Tetraanion:  A Novel Methodology for the Metal-Assisted Deuteration, Alkylation, and Functionalization of the Porphyrinogen Skeleton Lucia Bonomo, Euro Solari, Carlo Floriani, Angiola Chiesi-Villa, and Corrado Rizzoli pp 12972–12973 DOI: 10.1021/ja982666n Supporting Info

Design of Helices That Are Stable in Vacuo Robert R. Hudgins, Mark A. Ratner, and Martin F. Jarrold pp 12974–12975 DOI: 10.1021/ja983021q

Hybrids of RNA and Arabinonucleic Acids (ANA and 2‘F-ANA) Are Substrates of Ribonuclease H M. J. Damha, C. J. Wilds, A. Noronha, I. Brukner, G. Borkow, D. Arion, and M. A. Parniak pp 12976–12977 DOI: 10.1021/ja982325+ Supporting Info

Time-Resolved Absorption Spectrum of Singlet Oxygen in Solution Dean Weldon and Peter R. Ogilby pp 12978–12979 DOI: 10.1021/ja9833366

Enantioselective Total Synthesis of Taxol Koichiro Morihira, Ryoma Hara, Shigeru Kawahara, Toshiyuki Nishimori, Nobuhito Nakamura, Hiroyuki Kusama, and Isao Kuwajima pp 12980–12981 DOI: 10.1021/ja9824932 Supporting Info

Molecular Rectangles Based on Rhenium(I) Coordination Chemistry Kurt D. Benkstein, Joseph T. Hupp, and Charlotte L. Stern pp 12982–12983 DOI: 10.1021/ja982363t Supporting Info

Redox Dependence of Hyperfine-Shifted 13C and 15N Resonances in Putidaredoxin Nitin U. Jain and Thomas C. Pochapsky pp 12984–12985 DOI: 10.1021/ja982877s Supporting Info

Acceptor Specificity of Salmonella GDP-Man:αlRha1→3αdGal-PP-Und β1→4-Mannosyltransferase:  A Simplified Assay Based on Unnatural Acceptors Yongxin Zhao, John B. Biggins, and Jon S. Thorson pp 12986–12987 DOI: 10.1021/ja982285+ Supporting Info

Heterodehydrocoupling of Phosphines and Silanes Catalyzed by Titanocene:  A Novel Route to the Formation of Si−P Bonds Ronghua Shu, Leijun Hao, John F. Harrod, Hee-Gweon Woo, and Edmond Samuel pp 12988–12989 DOI: 10.1021/ja981570q Supporting Info

The Chemistry of Trichlorosilyl Enolates. 6. Mechanistic Duality in the Lewis Base-Catalyzed Aldol Addition Reaction Scott E. Denmark, Xiping Su, and Yutaka Nishigaichi pp 12990–12991 DOI: 10.1021/ja982993v Supporting Info

Reversal of the Stereochemistry of Kinetic Protonation by Intramolecular Proton Delivery and a Remarkable Dependence of Selectivity on Donor Concentration1 Howard E. Zimmerman and Alexey Ignatchenko pp 12992–12993 DOI: 10.1021/ja9823262 Supporting Info

Synthesis and Molecular Structure of [Li(THF)·12-crown-4][(PhCCPhPhCCPh)2Ga]:  The First Spirogallane Jianrui Su, Sonya D. Goodwin, Xiao-Wang Li, and Gregory H. Robinson pp 12994–12995 DOI: 10.1021/ja983547a Supporting Info

A Convergent Route to Novel Aliphatic Polyether Dendrimers Manikandan Jayaraman and Jean M. J. Fréchet pp 12996–12997 DOI: 10.1021/ja983229b Supporting Info

Copper-Mediated Substitution Reactions of Alkylmagnesium Reagents with Allylic Carbamates:  (Z)-Selective Alkene Synthesis Jacqueline H. Smitrovich and K. A. Woerpel pp 12998–12999 DOI: 10.1021/ja9820341 Supporting Info

Highly Enantioselective Phase Transfer Catalyzed Alkylation of a 3-Oxygenated Propionic Ester Equivalent; Applications and Mechanism E. J. Corey, Yunxin Bo, and Jakob Busch-Petersen pp 13000–13001 DOI: 10.1021/ja9835739 Supporting Info

Unified Mechanistic Framework for the Fe(II)-Induced Cleavage of Qinghaosu and Derivatives/Analogues. The First Spin-Trapping Evidence for the Previously Postulated Secondary C-4 Radical J. Am. Chem. Soc. 1998, 120, 3316−3325 Wen-Min Wu, Yikang Wu, Yu-Lin Wu, Zhu-Jun Yao, Cheng-Ming Zhou, Ying Li, andFeng Shan p 13002 DOI: 10.1021/ja985530y

Structures & Properties of Multiphase Polymeric Materials (Plastics Engineering Series/46) Edited by Takeo Araki, Qui Tran-Cong, and Mitsuhiro Shibayama (Kyoto Institute of Technology). Marcel Dekker:  New York. 1998. x + 461 pp. $185.00. ISBN 0-8247-0142-9. Adriane G. Ludwick p 13002 DOI: 10.1021/ja985648e

Issue 50

Hydrogen Bonding and Attenuation of the Rate of Enzymic Catalysis Zhi-Hong Li, Alexey Bulychev, Lakshmi P. Kotra, Irina Massova, and Shahriar Mobashery pp 13003–13007 DOI: 10.1021/ja983063e Supporting Info

Metal Ion Induced Self-Assembly of a Designed Peptide into a Triple-Stranded α-Helical Bundle:  A Novel Metal Binding Site in the Hydrophobic Core Kazuo Suzuki, Hidekazu Hiroaki, Daisuke Kohda, Haruki Nakamura, and Toshiki Tanaka pp 13008–13015 DOI: 10.1021/ja982768d Supporting Info

Thermodynamic and Kinetic Effects of the Double Coordination of Carbonyl Groups by Bidentate Lewis Acids Jean Vaugeois and James D. Wuest pp 13016–13022 DOI: 10.1021/ja982725x Supporting Info

Quantum Control of Population Transfer in Green Fluorescent Protein by Using Chirped Femtosecond Pulses Christopher J. Bardeen, Vladislav V. Yakovlev, Jeff A. Squier, and Kent R. Wilson pp 13023–13027 DOI: 10.1021/ja9824627

Molecular Basis for the DNA Sequence Selectivity of Ecteinascidin 736 and 743:  Evidence for the Dominant Role of Direct Readout via Hydrogen Bonding Frederick C. Seaman and Laurence H. Hurley pp 13028–13041 DOI: 10.1021/ja983091x Supporting Info

A Synthetic Retrotransition (Backward Reading) Sequence of the Right-Handed Three-Helix Bundle Domain (10-53) of Protein A Shows Similarity in Confomation as Predicted by Computation Krista Witte, Jeff Skolnick, and Chi-Huey Wong pp 13042–13045 DOI: 10.1021/ja982203h

Mechanistic Studies of Diastereomeric Nickel(II) N-Glycoside Complexes Using Tandem Mass Spectrometry Glenn Smith and Julie A. Leary pp 13046–13056 DOI: 10.1021/ja9814319

Cyclodextrins as Enzyme Models in Nitrosation and in Acid−Base-Catalyzed Reactions of Alkyl Nitrites Emilia Iglesias pp 13057–13069 DOI: 10.1021/ja9827696

Chemistry within Megamolecules:  Regiospecific Functionalization after Construction of Phosphorus Dendrimers Christophe Larré, Daniel Bressolles, Cédric Turrin, Bruno Donnadieu, Anne-Marie Caminade, and Jean-Pierre Majoral pp 13070–13082 DOI: 10.1021/ja982778e Supporting Info

Selectivity of Methylation of Metal-Bound Cysteinates and Its Consequences Pamela C. Roehm and Jeremy M. Berg pp 13083–13087 DOI: 10.1021/ja982546f

Ferromagnetic Ordering, Anisotropy, and Spin Reorientation for the Cyano-Bridged Bimetallic Compound Mn2(H2O)5Mo(CN)7·4H2O (α Phase) Joulia Larionova, Rodolphe Clérac, Joaquin Sanchiz, Olivier Kahn, Stéphane Golhen, and Lahcène Ouahab pp 13088–13095 DOI: 10.1021/ja9739953 Supporting Info

An Investigation of Superexchange in Dinuclear Mixed-Valence Ruthenium Complexes Christopher E. B. Evans, Mark L. Naklicki, Ali R. Rezvani, Christopher A. White, Veniamin V. Kondratiev, and Robert J. Crutchley pp 13096–13103 DOI: 10.1021/ja982673b

Electronic Structure of Antiferromagnetically Coupled Dinuclear Manganese (MnIIIMnIV) Complexes Studied by Magnetic Resonance Techniques Kai-Oliver Schäfer, Robert Bittl, Wolfgang Zweygart, Friedhelm Lendzian, Gabriele Haselhorst, Thomas Weyhermüller, Karl Wieghardt, and Wolfgang Lubitz pp 13104–13120 DOI: 10.1021/ja9827548 Supporting Info

Hydride Transfer Reactions of Transition Metal Hydrides:  Kinetic Hydricity of Metal Carbonyl Hydrides Tan-Yun Cheng, Bruce S. Brunschwig, and R. Morris Bullock pp 13121–13137 DOI: 10.1021/ja9820036 Supporting Info

New Polyhydride Anions and Proton-Hydride Hydrogen Bonding in Their Ion Pairs. X-ray Crystal Structure Determinations of Q[mer-Os(H)3(CO)(PiPr3)2], Q = [K(18-crown-6)] and Q = [K(1-aza-18-crown-6)] Dmitry G. Gusev, Alan J. Lough, and Robert H. Morris pp 13138–13147 DOI: 10.1021/ja9817693 Supporting Info

Synthesis of Niobium Silicate Molecular Sieves of the MFI Structure:  Evidence for Framework Incorporation of the Niobium Ion A. M. Prakash and Larry Kevan pp 13148–13155 DOI: 10.1021/ja982262v

Relation between the Structure and Spectroscopic Properties of Blue Copper Proteins Kristine Pierloot, Jan O. A. De Kerpel, Ulf Ryde, Mats H. M. Olsson, and Björn O. Roos pp 13156–13166 DOI: 10.1021/ja982385f

Solvent Effect on the Isomerization Rate of Calix[4]arene Studied by Molecular Dynamics Simulations W. K. den Otter and W. J. Briels pp 13167–13175 DOI: 10.1021/ja9741739

The Effect of Radical Size and Mass on the Cage Recombination Efficiency of Photochemically Generated Radical Cage Pairs Jonathan L. Male, Britt E. Lindfors, Katharine J. Covert, and David R. Tyler pp 13176–13186 DOI: 10.1021/ja980911x Supporting Info

Proton Chemical Shift Tensors and Hydrogen Bond Geometry:  A 1H−2H Dipolar NMR Study of the Water Molecule in Crystalline Hydrates Gang Wu, Christopher J. Freure, and Elodie Verdurand pp 13187–13193 DOI: 10.1021/ja983126t

Carbon−Proton Chemical Shift Correlation in Solid-State NMR by Through-Bond Multiple-Quantum Spectroscopy Anne Lesage, Dimitris Sakellariou, Stefan Steuernagel, and Lyndon Emsley pp 13194–13201 DOI: 10.1021/ja983048+

Nature of the Mn Centers in Photosystem II. Modeling and Behavior of the g = 4 Resonances and Related Signals Karin A. Åhrling, Paul J. Smith, and Ronald J. Pace pp 13202–13214 DOI: 10.1021/ja981471c

Monomeric Spin Density Distribution in the Primary Donor of Photosystem I as Determined by Electron Magnetic Resonance:  Functional and Thermodynamic Implications Michelle Mac, Neil R. Bowlby, Gerald T. Babcock, and John McCracken pp 13215–13223 DOI: 10.1021/ja982662i

Dramatic Medium Effects on Reactivity. The Ionization Sites of Pyrrole and Indole Carboxylic Acids R. Notario, J.-L. M. Abboud, C. Cativiela, J. I. García, M. Herreros, H. Homan, J. A. Mayoral, and L. Salvatella pp 13224–13229 DOI: 10.1021/ja982424n Supporting Info

Infrared Spectra and Density Functional Calculations for OScCO, Sc-(η2-OC)O, OSc-(η2-CO), and Three OScCO+ Cation Isomers in Solid Argon Mingfei Zhou and Lester Andrews pp 13230–13239 DOI: 10.1021/ja982900+

Electronic Structure of Low-Spin Ferric Porphyrins:  13C NMR Studies of the Influence of Axial Ligand Orientation Ricardo O. Louro, Ilidio J. Correia, Lorraine Brennan, Isabel B. Coutinho, Antonio V. Xavier, and David L. Turner pp 13240–13247 DOI: 10.1021/ja983102m

Mechanisms of Surface Electron Transfer. Proton-Coupled Electron Transfer Scott A. Trammell, John C. Wimbish, Fabrice Odobel, Laurie A. Gallagher, Poonam M. Narula, and Thomas J. Meyer pp 13248–13249 DOI: 10.1021/ja9821854 Supporting Info

Reductive Dimerization and Thermal Rearrangement of Biphenylene Coordinated to Tricarbonylmanganese Sodio C. N. Hsu and Wen-Yann YehGene-Hsiang Lee and Shie-Ming Peng pp 13250–13251 DOI: 10.1021/ja982773h Supporting Info

LNA (Locked Nucleic Acid):  An RNA Mimic Forming Exceedingly Stable LNA:LNA Duplexes Alexei A. Koshkin, Poul Nielsen, Michael Meldgaard, Vivek K. Rajwanshi, Sanjay K. Singh, and Jesper Wengel pp 13252–13253 DOI: 10.1021/ja9822862 Supporting Info

Furans Act as Dienophiles in Facile Diels−Alder Reactions with Masked o-Benzoquinones Chien-Hsing Chen, Polisetti Dharma Rao, and Chun-Chen Liao pp 13254–13255 DOI: 10.1021/ja982974l Supporting Info

A New Type of Intramolecular Hydrogen Bonding:  Hydroxyl−Methyl Interactions in the o-Cresol Cation Asuka Fujii, Eiji Fujimaki, Takayuki Ebata, and Naohiko Mikami pp 13256–13257 DOI: 10.1021/ja982922w

Supramolecular Cylinder and Sphere Generating Thermotropic Hexagonal Columnar and Spherical Micellar Liquid Crystalline Assemblies in Coil−Rod−Coil Block Molecules Myongsoo Lee, Dong-Woo Lee, and Byoung-Ki ChoJu-Young Yoon and Wang-Cheol Zin pp 13258–13259 DOI: 10.1021/ja9823619 Supporting Info

W3(μ3-Cl)(μ-Cl)3Cl9n- (n = 2, 3), Discrete Monocapped Tritungsten Clusters Derived from a New Binary Tungsten Chloride, W3Cl10:  Effect of Electron Count on Bonding in Isostructural triangulo M3X13 Clusters1 Vladimir Kolesnichenko, Jeffrey J. Luci, Dale C. Swenson, and Louis Messerle pp 13260–13261 DOI: 10.1021/ja9831958 Supporting Info

Mapping the Transition State of the Allosteric Pathway of GroEL by Protein Engineering Ofer Yifrach and Amnon Horovitz pp 13262–13263 DOI: 10.1021/ja983136u

Boronic Acids in the Three-Component Synthesis of Carbon-Substituted Cyclopentadienyl Tricarbonyl Rhenium Complexes Filippo Minutolo and John A. Katzenellenbogen pp 13264–13265 DOI: 10.1021/ja982146s

Synthesis, Spectroscopic and Structural Characterization of the First Mononuclear, Water Soluble Iron−Citrate Complex, (NH4)5Fe(C6H4O7)2·2H2O M. Matzapetakis, C. P. Raptopoulou, A. Tsohos, V. Papaefthymiou, N. Moon, and A. Salifoglou pp 13266–13267 DOI: 10.1021/ja9807035 Supporting Info

Unusually Short (C−H···π) Hydrogen Bonds for Effective Supramolecular (Aromatic/Aromatic) Organization in Edge-to-Face Motifs S. V. Lindeman, D. Kosynkin, and J. K. Kochi pp 13268–13269 DOI: 10.1021/ja982945a Supporting Info

Selective Intake and Release of Proteins by Organically-Modified Silica Sol−Gels Mukti S. Rao and Bakul C. Dave pp 13270–13271 DOI: 10.1021/ja982468w

Supramolecular Engineering of Chiral and Acentric 2D Networks. Synthesis, Structures, and Second-Order Nonlinear Optical Properties of Bis(nicotinato)zinc and Bis{3-[2-(4-pyridyl)ethenyl]benzoato}cadmium Wenbin Lin, Owen R. Evans, Ren-Gen Xiong, and Zhiyong Wang pp 13272–13273 DOI: 10.1021/ja983415h Supporting Info

New Light on an Old Story:  The Solid-State Transformation of Ammonium Cyanate into Urea Jack D. Dunitz, Kenneth D. M. Harris, Roy L. Johnston, Benson M. Kariuki, Elizabeth J. MacLean, Katerina Psallidas, W. Bernd Schweizer, and Rik R. Tykwinski pp 13274–13275 DOI: 10.1021/ja983285c

Sulfur Dioxide Promotes Its Hetero-Diels−Alder and Cheletropic Additions to 1,2-Dimethylidenecyclohexane Tino Fernandez, José A. Sordo, Frédéric Monnat, Brigitte Deguin, and Pierre Vogel pp 13276–13277 DOI: 10.1021/ja982565p Supporting Info

Isolation and X-ray Structure of Chloroarenium Cations as Wheland Intermediates in Electrophilic Aromatic Chlorination Rajendra Rathore, Jürgen Hecht, and Jay K. Kochi pp 13278–13279 DOI: 10.1021/ja983314j Supporting Info

The First Dinuclear Complex of Palladium(III) F. Albert Cotton, Jiande Gu, Carlos A. Murillo, and Daren J. Timmons pp 13280–13281 DOI: 10.1021/ja9832313 Supporting Info

Kinetic Isotope Effects for Dialkylglycine Decarboxylase via a High-Precision Continuous-Flow Method Xianzhi Zhou and Michael D. Toney pp 13282–13283 DOI: 10.1021/ja9825938

First Exclusive Endo-dig Carbocyclization:  HfCl4-Catalyzed Intramolecular Allylsilylation of Alkynes J. Am. Chem. Soc. 1998, 120, 5339−5340 Ken-ichiro Imamura, Eiji Yoshikawa, Vladimir Gevorgyan, and Yoshinori Yamamoto p 13284 DOI: 10.1021/ja985531q

Kinetics and Mechanism of Redox-Coupled, Long-Range Proton Transfer in an Iron−Sulfur Protein. Investigation by Fast-Scan Protein-Film Voltammetry J. Am. Chem. Soc. 1998, 120, 7085−7094 Judy Hirst, Jillian L. C. Duff, Guy N. L. Jameson, Mary A. Kemper, Barbara K. Burgess, and Fraser A. Armstrong p 13284 DOI: 10.1021/ja985532i

Simultaneous Voltammetric Comparisons of Reduction Potentials, Reactivities, and Stabilities of the High-Potential Catalytic States of Wild-Type and Distal-Pocket Mutant (W51F) Yeast Cytochrome c Peroxidase J. Am. Chem. Soc. 1998, 120, 6270−6276 Madhu S. Mondal, David B. Goodin, and Fraser A. Armstrong p 13284 DOI: 10.1021/ja985533a

Issue 51

Synthesis of (−)-Isonitrin B Douglass F. Taber, Han Yu, Christopher D. Incarvito, and Arnold L. Rheingold pp 13285–13290 DOI: 10.1021/ja981700v Supporting Info

Exploring the Mechanism of Neighboring Group Assisted Glycosylation Reactions Tomoo Nukada, Attila Berces, Marek Z. Zgierski, and Dennis M. Whitfield pp 13291–13295 DOI: 10.1021/ja981041m Supporting Info

One-Step, Stereocontrolled Synthesis of Glycosyl 1-Phosphates, Uridine-5‘-diphosphogalactose, and Uridine-5‘-diphosphoglucose from Unprotected Glycosyl Donors Stephen Hanessian, Pu-Ping Lu, and Hideki Ishida pp 13296–13300 DOI: 10.1021/ja982783i Supporting Info

Saccharomicins, Novel Heptadecaglycoside Antibiotics Effective against Multidrug-Resistant Bacteria Fangming Kong, Ning Zhao, Marshall M. Siegel, Kasia Janota, Joseph S. Ashcroft, Frank E. Koehn, Donald B. Borders, and Guy T. Carter pp 13301–13311 DOI: 10.1021/ja981641l Supporting Info

Oligosaccharide Mimetics Obtained by Novel, Rapid Screening of Carboxylic Acid Encoded Glycopeptide Libraries Phaedria M. St. Hilaire, Todd L. Lowary, Morten Meldal, and Klaus Bock pp 13312–13320 DOI: 10.1021/ja980387u Supporting Info

ESEEM Studies of Alcohol Binding to the Manganese Cluster of the Oxygen Evolving Complex of Photosystem II Dee Ann Force, David W. Randall, Gary A. Lorigan, Keri L. Clemens, and R. David Britt pp 13321–13333 DOI: 10.1021/ja982713b

Olefin Carbometalation with (Alkoxy)allylic Lithium and Zinc Reagents. Four-Centered vs Six-Centered Mechanism of Allylmetalation Reaction Katsumi Kubota, Seiji Mori, Masaharu Nakamura, and Eiichi Nakamura pp 13334–13341 DOI: 10.1021/ja981634x Supporting Info

A Novel Approach to the Molecular Imprinting of Polychlorinated Aromatic Compounds Markus Lübke, Michael J. Whitcombe, and Evgeny N. Vulfson pp 13342–13348 DOI: 10.1021/ja9818295

Kinetic Implications of Nonlinear Effects in Asymmetric Synthesis Donna G. Blackmond pp 13349–13353 DOI: 10.1021/ja982448u Supporting Info

Photochemical Addition of 2,2,2-Trifluoroethanol to Benzonitrile and p-, m-, and o-Methylbenzonitrile Jennifer Foster, Alexandra L. Pincock, James A. Pincock, and Kim A. Thompson pp 13354–13361 DOI: 10.1021/ja982712j

The Search for Persistent Cyclobutylmethyl Cations in Superacidic Media and Observation of the Cyclobutyldicyclopropylmethyl Cation1a G. K. Surya Prakash, V. Prakash Reddy, Golam Rasul, Joseph Casanova, and George A. Olah pp 13362–13365 DOI: 10.1021/ja9828962

Enthalpic Studies of Complex Formation between Carboxylic Acids and 1-Alkylimidazoles L. A. Reinhardt, K. A. Sacksteder, and W. W. Cleland pp 13366–13369 DOI: 10.1021/ja9830187

O2 Activation and Aromatic Hydroxylation Performed by Diiron Complexes Stéphane Ménage, Jean-Baptiste Galey, Jacqueline Dumats, Georges Hussler, Michel Seité, Isabelle Gautier Luneau, Geneviève Chottard, and Marc Fontecave pp 13370–13382 DOI: 10.1021/ja981123a Supporting Info

Effects of Ligation and Folding on Reduction Potentials of Heme Proteins F. Akif Tezcan, Jay R. Winkler, and Harry B. Gray pp 13383–13388 DOI: 10.1021/ja982536e Supporting Info

Hydrothermal Synthesis and Structural Characterization of Zeolite-like Structures Based on Gallium and Aluminum Germanates Xianhui Bu, Pingyun Feng, Thurman E. Gier, Dongyuan Zhao, and Galen D. Stucky pp 13389–13397 DOI: 10.1021/ja983042k Supporting Info

Rhodium-Catalyzed Hydroformylation in Supercritical Carbon Dioxide Daniel Koch and Walter Leitner pp 13398–13404 DOI: 10.1021/ja980729w Supporting Info

Reactivity of a Terminal Ti(IV) Imido Complex toward Alkenes and Alkynes:  Cycloaddition vs C−H Activation Jennifer L. Polse, Richard A. Andersen, and Robert G. Bergman pp 13405–13414 DOI: 10.1021/ja981489n Supporting Info

Carbon−Carbon Bond Activation by Rhodium(I) in Solution. Comparison of sp2−sp3 vs sp3−sp3 C−C, C−H vs C−C, and Ar−CH3 vs Ar−CH2CH3 Activation Milko E. van der Boom, Shyh-Yeon Liou, Yehoshoa Ben-David, Michael Gozin, and David Milstein pp 13415–13421 DOI: 10.1021/ja982345b Supporting Info

Kinetics and Mechanism of the Oxidation of 10-Methyl-9,10-dihydroacridine by Chromium(VI,V,IV):  Electron vs Hydrogen Atom vs Hydride Transfer Oleg Pestovsky, Andreja Bakac, and James H. Espenson pp 13422–13428 DOI: 10.1021/ja9823464 Supporting Info

Experimental Electron Density in a Transition Metal Dimer:  Metal−Metal and Metal−Ligand Bonds Piero Macchi, Davide M. Proserpio, and Angelo Sironi pp 13429–13435 DOI: 10.1021/ja982903m Supporting Info

Kinetics and Mechanisms of Thermally Induced Alkane Eliminations from Silica-Supported Bis(alkyl)chromium(IV) and -vanadium(IV) Complexes Jamila Amor Nait Ajjou, Gordon L. Rice, and Susannah L. Scott pp 13436–13443 DOI: 10.1021/ja9831507

Self-Assembled Monolayers on Oxidized Metals. 3. Alkylthiol and Dialkyl Disulfide Assembly on Gold under Electrochemical Conditions Hannoch Ron and Israel Rubinstein pp 13444–13452 DOI: 10.1021/ja9823722

Adsorption of Carboxyl-Terminated Dithiophene and Terthiophene Molecules on ITO Electrodes and Their Electrochemical Coupling to Polymer Layers. The Influence of Molecular Geometry Anna Berlin, Gianni Zotti, Gilberto Schiavon, and Sandro Zecchin pp 13453–13460 DOI: 10.1021/ja9824728 Supporting Info

Electrochemically Generated Magnetic Forces. Enhanced Transport of a Paramagnetic Redox Species in Large, Nonuniform Magnetic Fields Steven R. Ragsdale, Kyle M. Grant, and Henry S. White pp 13461–13468 DOI: 10.1021/ja982540q

Coordination-Controlled Self-Assembled Multilayers on Gold Anat Hatzor, Tamar Moav, Hagai Cohen, Sophie Matlis, Jacqueline Libman, Alexander Vaskevich, Abraham Shanzer, and Israel Rubinstein pp 13469–13477 DOI: 10.1021/ja9828307

A Computational Study on the Reaction Mechanism of the Boulton−Katritzky Rearrangement Frank Eckert and Guntram Rauhut pp 13478–13484 DOI: 10.1021/ja981720x Supporting Info

Theoretical Studies of β-Peptide Models Yun-Dong Wu and De-Ping Wang pp 13485–13493 DOI: 10.1021/ja981939b Supporting Info

Origin of Bonding Interactions in Cu+(H2)n Clusters:  An Experimental and Theoretical Investigation Paul R. Kemper, Patrick Weis, Michael T. Bowers, and Philippe Maître pp 13494–13502 DOI: 10.1021/ja9822658

The Surface Structure of Sulfated Zirconia:  Periodic ab Initio Study of Sulfuric Acid Adsorbed on ZrO2(101) and ZrO2(001) Frank Haase and Joachim Sauer pp 13503–13512 DOI: 10.1021/ja9825534

Lifetime and Reactivity of an Ultimate Tamoxifen Carcinogen:  The Tamoxifen Carbocation Cristina Sanchez, Shinya Shibutani, Lakkaraju Dasaradhi, Judy L. Bolton, Peter W. Fan, and Robert A. McClelland pp 13513–13514 DOI: 10.1021/ja982701q Supporting Info

Direct Oxidative Glycosylations with Glycal Donors Valeria Di Bussolo, Yong-Jae Kim, and David Y. Gin pp 13515–13516 DOI: 10.1021/ja982112k Supporting Info

Exploiting the Helical Motif for Enhanced Nonlinear Optical Response:  Hyperpolarizability of Substituted m-Phenylene Oligomers Manoranjan Panda and Jayaraman Chandrasekhar pp 13517–13518 DOI: 10.1021/ja9832008

Direct Observation of an Equilibrium between (ButCH2)2W(CBut)(SiButPh2) and (ButCH2)W(CHBut)2(SiButPh2) and an Unusual Silyl Migration Tianniu Chen, Zhongzhi Wu, Liting Li, Karn R. Sorasaenee, Jonathan B. Diminnie, Hongjun Pan, Ilia A. Guzei, Arnold L. Rheingold, and Ziling Xue pp 13519–13520 DOI: 10.1021/ja982571l Supporting Info

Synthesis of a Poly(ε-caprolactone) Monosubstituted First Generation Dendrimer by Lipase Catalysis Armando Córdova, Anders Hult, Karl Hult, Henrik Ihre, Tommy Iversen, and Eva Malmström pp 13521–13522 DOI: 10.1021/ja982252u Supporting Info

A General Strategy to Aspidosperma Alkaloids:  Efficient, Stereocontrolled Synthesis of Tabersonine Sergey A. Kozmin and Viresh H. Rawal pp 13523–13524 DOI: 10.1021/ja983198k Supporting Info

The Menkes Disease Protein Binds Copper via Novel 2-Coordinate Cu(I)−Cysteinates in the N-Terminal Domain Martina Ralle, Matthew J. Cooper, Svetlana Lutsenko, and Ninian J. Blackburn pp 13525–13526 DOI: 10.1021/ja982990i Supporting Info

Engineering a Cell-Free Murein Biosynthetic Pathway:  Combinatorial Enzymology in Drug Discovery Kenny K. Wong, David W. Kuo, Renee M. Chabin, Carole Fournier, Laura D. Gegnas, Sherman T. Waddell, Frank Marsilio, Barbara Leiting, and David L. Pompliano pp 13527–13528 DOI: 10.1021/ja983468z

Asymmetric Hydrogenation of Alkenyl, Cyclopropyl, and Aryl Ketones. RuCl2(xylbinap)(1,2-diamine) as a Precatalyst Exhibiting a Wide Scope Takeshi Ohkuma, Masatoshi Koizumi, Henri Doucet, Trang Pham, Masami Kozawa, Kunihiko Murata, Eiji Katayama, Tohru Yokozawa, Takao Ikariya, and Ryoji Noyori pp 13529–13530 DOI: 10.1021/ja983257u Supporting Info

A Bulky Benzoate Ligand for Modeling the Carboxylate-Rich Active Sites of Non-Heme Diiron Enzymes John R. Hagadorn, Lawrence Que, Jr., and William B. Tolman pp 13531–13532 DOI: 10.1021/ja983333t Supporting Info

Supported Organometallics. Highly Electrophilic Cationic Metallocene Hydrogenation and Polymerization Catalysts Formed via Protonolytic Chemisorption on Sulfated Zirconia Hongsang Ahn and Tobin J. Marks pp 13533–13534 DOI: 10.1021/ja9825682 Supporting Info

An Alternative Role for the Conserved Asp Residue in Phosphoryl Transfer Reactions Jason C. Hart, Ian H. Hillier, Neil A. Burton, and David W. Sheppard pp 13535–13536 DOI: 10.1021/ja982632f

The Use of Dipyrromethene Ligands in Supramolecular Chemistry Yongjun Zhang, Alison Thompson, Steven J. Rettig, and David Dolphin pp 13537–13538 DOI: 10.1021/ja9834982 Supporting Info

Substrate Binding to the α-Ketoglutarate-Dependent Non-Heme Iron Enzyme Clavaminate Synthase 2:  Coupling Mechanism of Oxidative Decarboxylation and Hydroxylation Jing Zhou, Michele Gunsior, Brian O. Bachmann, Craig A. Townsend, and Edward I. Solomon pp 13539–13540 DOI: 10.1021/ja983534x Supporting Info

Photoinduced Destabilization of Sterically Stabilized Liposomes Bruce Bondurant and David F. O'Brien pp 13541–13542 DOI: 10.1021/ja983112n

Direct Observation of the Benzyl Radical and the Benzyl Anion within Cation-Exchanged Zeolites. A Nanosecond Laser Study Frances L. Cozens, Wendy Ortiz, and Norman P. Schepp pp 13543–13544 DOI: 10.1021/ja982892x

Globular Protein Ultraviolet Circular Dichroic Spectra. Calculation from Crystal Structures via the Dipole Interaction Model J. Am. Chem. Soc. 1998, 120, 10938−10946 Kimberly A. Bode and Jon Applequist p 13545 DOI: 10.1021/ja9855343

Hybrids of RNA and Arabinonucleic Acids (ANA and 2‘F-ANA) Are Substrates of Ribonuclease H J. Am. Chem. Soc. 1998, 120, 12976−12977 M. J. Damha, C. J. Wilds, A. Noronha, I. Brukner, G. Borkow, D. Arion, and M. A. Parniak p 13545 DOI: 10.1021/ja985535v

Folded Conformation in Peptides Containing Furanoid Sugar Amino Acids J. Am. Chem. Soc. 1998, 120, 12962−12963 T. K. Chakraborty, S. Jayaprakash, P. V. Diwan, R. Nagaraj, S. R. B. Jampani, and A. C. Kunwar pp 13545–13546 DOI: 10.1021/ja985536n

Chromatographic Separations Based on Molecular Recognition Edited by Kiyokatsu Jinno (Toyohashi University of Technology). Wiley/VCH:  New York. 1997. $95.00. xiv + 426 pp. ISBN 0-471-18894-8. Bernard Sébille p 13546 DOI: 10.1021/ja975691m