Volume 121
Main Index

Issue 01

Energy Transfer from Nucleic Acids to Tb(III):  Selective Emission Enhancement by Single DNA Mismatches Patty K.-L. Fu and Claudia Turro pp 1–7 DOI: 10.1021/ja9826082

Protein Surface Recognition by Synthetic Receptors:  A Route to Novel Submicromolar Inhibitors for α-Chymotrypsin Hyung Soon Park, Qing Lin, and Andrew D. Hamilton pp 8–13 DOI: 10.1021/ja981504o Supporting Info

Conformational Control of Intramolecular Electron Transfer in Calix[4]diquinones and Their Cationic Complexes Anthony Harriman, Muriel Hissler, Pierre Jost, Georges Wipff, and Raymond Ziessel pp 14–27 DOI: 10.1021/ja982786v Supporting Info

Interconnective Host−Guest Complexation of β-Cyclodextrin−Calix[4]arene Couples Jürgen Bügler, Nico A. J. M. Sommerdijk, Antonie J. W. G. Visser, Arie van Hoek, Roeland J. M. Nolte, Johan F. J. Engbersen, and David N. Reinhoudt pp 28–33 DOI: 10.1021/ja9828657

Efficient Incorporation of Nonnatural Amino Acids with Large Aromatic Groups into Streptavidin in In Vitro Protein Synthesizing Systems Takahiro Hohsaka, Daisuke Kajihara, Yuki Ashizuka, Hiroshi Murakami, and Masahiko Sisido pp 34–40 DOI: 10.1021/ja9813109 Supporting Info

Experimental and Theoretical Study of the Effect of Active-Site Constrained Substrate Motion on the Magnitude of the Observed Intramolecular Isotope Effect for the P450 101 Catalyzed Benzylic Hydroxylation of Isomeric Xylenes and 4,4‘-Dimethylbiphenyl Christian Audergon, Krishna R. Iyer, Jeffrey P. Jones, John F. Darbyshire, and William F. Trager pp 41–47 DOI: 10.1021/ja983000w

Intramolecular Electron Transfer of Diporphyrins Comprised of Electron-Deficient Porphyrin and Electron-Rich Porphyrin with Photocontrolled Isomerization Shinji Tsuchiya pp 48–53 DOI: 10.1021/ja980677a

Total Syntheses of Ningalin A, Lamellarin O, Lukianol A, and Permethyl Storniamide A Utilizing Heterocyclic Azadiene Diels−Alder Reactions Dale L. Boger, Christopher W. Boyce, Marc A. Labroli, Clark A. Sehon, and Qing Jin pp 54–62 DOI: 10.1021/ja982078+

Electronically Dissymmetric DIPHOS Derivatives Give Higher n:i Regioselectivity in Rhodium-Catalyzed Hydroformylation Than Either of Their Symmetric Counterparts Charles P. Casey, Evelyn Lin Paulsen, Eckart W. Beuttenmueller, Bernd R. Proft, Brock A. Matter, and Douglas R. Powell pp 63–70 DOI: 10.1021/ja982117h Supporting Info

Enzymatically Synthesized Conducting Polyaniline Wei Liu, Jayant Kumar, Sukant Tripathy, Kris J. Senecal, and Lynne Samuelson pp 71–78 DOI: 10.1021/ja982270b

Synthesis and Aggregation of a Conjugated Helical Molecule Colin Nuckolls, Thomas J. Katz, Gail Katz, Peter J. Collings, and Louis Castellanos pp 79–88 DOI: 10.1021/ja983248l Supporting Info

A Biomimetic Model System for the Water Oxidizing Triad in Photosystem II Ann Magnuson, Yves Frapart, Malin Abrahamsson, Olivier Horner, Björn Åkermark, Licheng Sun, Jean-Jacques Girerd, Leif Hammarström, and Stenbjörn Styring pp 89–96 DOI: 10.1021/ja981494r

Computational and Experimental Test of Steric Influence on Agostic Interactions:  A Homologous Series for Ir(III) Alan C. Cooper, Eric Clot, John C. Huffman, William E. Streib, Feliu Maseras, Odile Eisenstein, and Kenneth G. Caulton pp 97–106 DOI: 10.1021/ja981727e Supporting Info

Catalytic Activity of a Series of Zn(II) Phenoxides for the Copolymerization of Epoxides and Carbon Dioxide Donald J. Darensbourg, Matthew W. Holtcamp, Ginette E. Struck, Marc S. Zimmer, Sharon A. Niezgoda, Patrick Rainey, Jeffrey B. Robertson, Jennifer D. Draper, and Joseph H. Reibenspies pp 107–116 DOI: 10.1021/ja9826284 Supporting Info

Manganese Oxyl Radical Intermediates and O−O Bond Formation in Photosynthetic Oxygen Evolution and a Proposed Role for the Calcium Cofactor in Photosystem II Per E. M. Siegbahn and Robert H. Crabtree pp 117–127 DOI: 10.1021/ja982290d

Nitric Oxide Binding to the Ferri- and Ferroheme States of Nitrophorin 1, a Reversible NO-Binding Heme Protein from the Saliva of the Blood-Sucking Insect, Rhodnius prolixus Xiao D. Ding, Andrzej Weichsel, John F. Andersen, Tatjana Kh. Shokhireva, Celia Balfour, Antonio J. Pierik, Bruce A. Averill, William R. Montfort, and F. Ann Walker pp 128–138 DOI: 10.1021/ja982979i

Preparation of Oriented Zeolite UTD-1 Membranes via Pulsed Laser Ablation Trinidad Muñoz, Jr., and Kenneth J. Balkus, Jr. pp 139–146 DOI: 10.1021/ja982599x

Reaction Pathway for the Direct Benzene Hydroxylation by Iron−Oxo Species Kazunari Yoshizawa, Yoshihito Shiota, and Tokio Yamabe pp 147–153 DOI: 10.1021/ja981525i

A Unified View of Ethylene Polymerization by d0 and d0fn Transition Metals. 3. Termination of the Growing Polymer Chain Peter Margl, Liqun Deng, and Tom Ziegler pp 154–162 DOI: 10.1021/ja981995c Supporting Info

The Mechanism of Zinc(II)-Dithiocarbamate-Accelerated Vulcanization Uncovered; Theoretical and Experimental Evidence Peter J. Nieuwenhuizen, Andreas W. Ehlers, Jaap G. Haasnoot, Sander R. Janse, Jan Reedijk, and Evert Jan Baerends pp 163–168 DOI: 10.1021/ja982217n

Ab Initio and DFT Calculations on the Cope Rearrangement of 1,2,6-Heptatriene David A. Hrovat, James A. Duncan, and Weston Thatcher Borden pp 169–175 DOI: 10.1021/ja983032j Supporting Info

Controlling the Electrografting of Polymers onto Transition Metal Surfaces through Solvent vs Monomer Adsorption X. Crispin, R. Lazzaroni, V. Geskin, N. Baute, P. Dubois, R. Jérôme, and J. L. Brédas pp 176–187 DOI: 10.1021/ja981730y

Exploring the Structure of a Photosynthetic Model by Quantum-Chemical Calculations and Time-Resolved Q-Band Electron Paramagnetic Resonance Andreas M. Kiefer, Stefan M. Kast, Michael R. Wasielewski, Karl Laukenmann, and Gerd Kothe pp 188–198 DOI: 10.1021/ja981930+

Motion of CO Molecules in Solid C60 Probed by Solid-State NMR Iwan Holleman, Pierre Robyr, Arno P. M. Kentgens, Beat H. Meier, and Gerard Meijer pp 199–207 DOI: 10.1021/ja982503z

Solution NMR Determination of the Anisotropy and Orientation of the Paramagnetic Susceptibility Tensor as a Function of Temperature for Metmyoglobin Cyanide:  Implications for the Population of Excited Electronic States Bao D. Nguyen, Zhicheng Xia, Deok Cheon Yeh, K. Vyas, Helen Deaguero, and Gerd N. La Mar pp 208–217 DOI: 10.1021/ja982555o Supporting Info

Solvent Effects on the Barrier to C−N Bond Rotation in N,N-Dimethylaminoacrylonitrile Paul R. Rablen, Deborah A. Miller, Valerie R. Bullock, Peter H. Hutchinson, and Jessica A. Gorman pp 218–226 DOI: 10.1021/ja982304f Supporting Info

Solvent Effects on the Barrier to C−N Bond Rotation in N,N-Dimethylaminoacrylonitrile:  Modeling by Reaction Field Theory and by Monte Carlo Simulations Paul R. Rablen, Shoshannah A. Pearlman, and Deborah A. Miller pp 227–237 DOI: 10.1021/ja9823058 Supporting Info

Radical Cations in the OH-Radical-Induced Oxidation of Thiourea and Tetramethylthiourea in Aqueous Solution Wen-feng Wang, Man Nien Schuchmann, Heinz-Peter Schuchmann, Wolfgang Knolle, Justus von Sonntag, and Clemens von Sonntag pp 238–245 DOI: 10.1021/ja983275b

Ab Initio Predictions of Anomalous Optical Rotatory Dispersion Prasad L. Polavarapu and Chunxia Zhao pp 246–247 DOI: 10.1021/ja9828556

Activation of Aldehydes by the Ir−2,3-Dimethylbutadiene Complex TpMe2Ir(CH2C(Me)C(Me)CH2) Enrique Gutiérrez-Puebla, Angeles Monge, Margarita Paneque, Manuel L. Poveda, Verónica Salazar, and Ernesto Carmona pp 248–249 DOI: 10.1021/ja9819357 Supporting Info

Metal String Complexes:  Synthesis and Crystal Structure of [Ni4(μ4-phdpda)4] and [Ni7(μ7-teptra)4Cl2] (H2phdpda = N-Phenyldipyridyldiamine and H3teptra = Tetrapyridyltriamine) Shie-Yang Lai, Tzu-Wei Lin, Yu-Hua Chen, Chih-Chieh Wang, Gene-Hsiang Lee, Ming-hwa Yang, Man-kit Leung, and Shie-Ming Peng pp 250–251 DOI: 10.1021/ja982065w Supporting Info

Direct Observation of C−O Reductive Elimination from Pt(IV) B. Scott Williams, Andrew W. Holland, and Karen I. Goldberg pp 252–253 DOI: 10.1021/ja982211y Supporting Info

Mesocellular Siliceous Foams with Uniformly Sized Cells and Windows Patrick Schmidt-Winkel, Wayne W. Lukens, Jr., Dongyuan Zhao, Peidong Yang, Bradley F. Chmelka, and Galen D. Stucky pp 254–255 DOI: 10.1021/ja983218i Supporting Info

Novel Peptide Nucleic Acid That Shows High Sequence Specificity and All-or-None-Type Hybridization with the Complementary DNA Masayasu Kuwahara, Miki Arimitsu, and Masahiko Sisido pp 256–257 DOI: 10.1021/ja9820386 Supporting Info

Assembly of a Zn(II)-Porphyrin−Bipyridinium Dyad and Au-Nanoparticle Superstructures on Conductive Surfaces Michal Lahav, Tobias Gabriel, Andrew N. Shipway, and Itamar Willner pp 258–259 DOI: 10.1021/ja9831103

Affinity and Specificity of Multiple Hydroxypyrrole/Pyrrole Ring Pairings for Coded Recognition of DNA Sarah White, James M. Turner, Jason W. Szewczyk, Eldon E. Baird, and Peter B. Dervan pp 260–261 DOI: 10.1021/ja9830593

Shape-Selective Ligation to Dendrimer−Metalloporphyrins P. Bhyrappa, G. Vaijayanthimala, and Kenneth S. Suslick pp 262–263 DOI: 10.1021/ja983411c Supporting Info

Raman Evidence for a Weakened O−O Bond in Mononuclear Low-Spin Iron(III)−Hydroperoxides Raymond Y. N. Ho, Gerard Roelfes, Ben L. Feringa, and Lawrence Que, Jr. pp 264–265 DOI: 10.1021/ja982812p

Control of One- versus Two-Electron Reduction of Ubiquinone via Redox-Dependent Recognition Michael D. Greaves, Angelika Niemz, and Vincent M. Rotello pp 266–267 DOI: 10.1021/ja982451d

Asymmetric Synthesis of α,α-Dibranched Amines by the Trimethylaluminum-Mediated 1,2-Addition of Organolithiums to tert-Butanesulfinyl Ketimines Derek A. Cogan and Jonathan A. Ellman pp 268–269 DOI: 10.1021/ja983217q Supporting Info

Detection of Acetyl-S-Enzyme Reaction Intermediates of Hydroxymethylglutaryl-CoA Synthase and β-Ketothiolase by 13C NMR Dmitriy Vinarov, Chakravarthy Narasimhan, and Henry M. Miziorko pp 270–271 DOI: 10.1021/ja983511i

Organic Electroluminescent Materials and Devices Edited by Siezo Miyata (Tokyo University of Agriculture & Technology) and Hari Singh Nalwa (Hitachi Research Laboratory). Gordon and Breach:  Amsterdam. 1997. x + 497 pp. ISBN 2-919875-10-8. Paul M. Lahti p 272 DOI: 10.1021/ja985612m

Advances in Gas Phase Ion Chemistry, Volume 3 Edited by Nigel G. Adams and Lucia M. Babcock (University of Georgia). JAI Press:  Greenwich, CT. 1998. x + 365 pp. ISBN 0-7623-0204-6. Fulvio Cacace p 272 DOI: 10.1021/ja985673k

Issue 02

Preparation of Carbosilane Dendrimers and Their Characterization Using 1H/13C/29Si Triple Resonance 3D NMR Methods Minghui Chai, Zhengjie Pi, Claire Tessier, and Peter L. Rinaldi pp 273–279 DOI: 10.1021/ja9831812

Bivalent Inhibitors of Protein Tyrosine Kinases Adam A. Profit, Tae Ryong Lee, and David S. Lawrence pp 280–283 DOI: 10.1021/ja983515n

Synthesis of a Glycopeptide Containing Oligosaccharides: Chemoenzymatic Synthesis of Eel Calcitonin Analogues Having Natural N-Linked Oligosaccharides Mamoru Mizuno, Katsuji Haneda, Reiko Iguchi, Ikuyo Muramoto, Toru Kawakami, Saburo Aimoto, Kenji Yamamoto, and Toshiyuki Inazu pp 284–290 DOI: 10.1021/ja9831305

Oligomerization of N,O-Bis(trimethylsilyl)-α-amino Acids into Peptides Mediated by o-Phenylene Phosphorochloridate Hua Fu, Zhao-Long Li, Yu-Fen Zhao, and Guang-Zhong Tu pp 291–295 DOI: 10.1021/ja980662c

Synthesis and Biological Evaluation of Highly Functionalized Analogues of Ingenol Jeffrey D. Winkler, Sanghee Kim, Sean Harrison, Nancy E. Lewin, and Peter M. Blumberg pp 296–300 DOI: 10.1021/ja9741842 Supporting Info

Fe-Doped Zirconium Oxide Produced by Self-Sustained High-Temperature Synthesis:  Evidence for an Fe−Zr Direct Bond Paolo Ghigna, Giorgio Spinolo, Umberto Anselmi-Tamburini, Filippo Maglia, Monica Dapiaggi, Gabriele Spina, and Luciano Cianchi pp 301–307 DOI: 10.1021/ja982335a

Discovery of AMP Mimetics that Exhibit High Inhibitory Potency and Specificity for AMP Deaminase Mark D. Erion, Srinivas Rao Kasibhatla, Brett C. Bookser, Paul D. van Poelje, M. Rami Reddy, Harry E. Gruber, and James R. Appleman pp 308–319 DOI: 10.1021/ja983153j Supporting Info

Sterically Controlled Architectural Reversion in Hydrogen-Bonded Crystalline Clathrates Cara C. Evans, Lisa Sukarto, and Michael D. Ward pp 320–325 DOI: 10.1021/ja983122o Supporting Info

Secondary Deuterium Kinetic Isotope Effects in Irreversible Additions of Hydride and Carbon Nucleophiles to Aldehydes:  A Spectrum of Transition States from Complete Bond Formation to Single Electron Transfer Joseph J. Gajewski, Wojciech Bocian, Nathan J. Harris, Leif P. Olson, and John P. Gajewski pp 326–334 DOI: 10.1021/ja982504r

Fulleroid Addition Regiochemistry Is Driven by π-Orbital Misalignment Brad R. Weedon, R. C. Haddon, H. Peter Spielmann, and Mark S. Meier pp 335–340 DOI: 10.1021/ja983269f Supporting Info

Remarkably Strong, Uncharged Hydrogen-Bonding Interactions of Polypyridine-Macrocyclic Receptors for Deoxyribofuranosides Masahiko Inouye, Kunihide Takahashi, and Hiroyuki Nakazumi pp 341–345 DOI: 10.1021/ja983539u

Synthesis and Properties of TpMe2IrH4 and TpMe2IrH3(SiEt3):  Ir(V) Polyhydride Species with C3v Geometry Enrique Gutiérrez-Puebla, Angeles Monge, Margarita Paneque, Manuel L. Poveda, Soraya Taboada, Marianela Trujillo, and Ernesto Carmona pp 346–354 DOI: 10.1021/ja980881y Supporting Info

Absolute Metal−Ligand σ Bond Enthalpies in Group 4 Metallocenes. A Thermochemical, Structural, Photoelectron Spectroscopic, and ab Initio Quantum Chemical Investigation Wayne A. King, Santo Di Bella, Antonino Gulino, Giuseppe Lanza, Ignazio L. Fragalà, Charlotte L. Stern, and Tobin J. Marks pp 355–366 DOI: 10.1021/ja9822815 Supporting Info

Geometric Preferences of Tricobalt Clusters Having 47−49 Valence Electron Counts:  Deceptively Simple Cyclic Voltammetric Responses and EPR Evidence for Exchange-Coupled Dimers in Frozen Solutions Matthew P. Robben, Philip H. Rieger, and William E. Geiger pp 367–375 DOI: 10.1021/ja983341+ Supporting Info

Identification of the Fe−O−O Bending Mode in Oxycytochrome P450cam by Resonance Raman Spectroscopy Iain D. G. Macdonald, Stephen G. Sligar, James F. Christian, Masashi Unno, and Paul M. Champion pp 376–380 DOI: 10.1021/ja9810383

Dynamic and Rotational Analysis of Cryptophane Host−Guest Systems:  Challenges of Describing Molecular Recognition Paul D. Kirchhoff, Jean-Pierre Dutasta, André Collet, and J. Andrew McCammon pp 381–390 DOI: 10.1021/ja981526a

Electrochemical Control of the Second Harmonic Generation Property of Self-Assembled Monolayers Containing a trans-Ferrocenyl-Nitrophenyl Ethylene Group on Gold Toshihiro Kondo, Shinya Horiuchi, Ichizo Yagi, Shen Ye, and Kohei Uosaki pp 391–398 DOI: 10.1021/ja982007a

A Theoretical Examination of the Solvent Dependence of the Metal-to-Ligand Charge-Transfer Band in Amino Ruthenium Complexes Greg M. Pearl and Michael C. Zerner pp 399–404 DOI: 10.1021/ja9819965

Endothermic Formation of a Chemical Bond by Entropic Stabilization:  Difluoronitroxide Radical in Solid Argon Eugenii Ya. Misochko, Alexander V. Akimov, Ilya U. Goldschleger, Alexander I. Boldyrev, and Charles A. Wight pp 405–410 DOI: 10.1021/ja982222r

Molecular Alligator Clips for Single Molecule Electronics. Studies of Group 16 and Isonitriles Interfaced with Au Contacts Jorge M. Seminario, Angelica G. Zacarias, and James M. Tour pp 411–416 DOI: 10.1021/ja982234c Supporting Info

Intrinsic Affinities of Alkali Cations for 15-Crown-5 and 18-Crown-6:  Bond Dissociation Energies of Gas-Phase M+−Crown Ether Complexes Michelle B. More, Douglas Ray, and P. B. Armentrout pp 417–423 DOI: 10.1021/ja9823159 Supporting Info

Solid-State High-Resolution 1H and 2D NMR Study of the Electron Spin Density Distribution of the Hydrogen-Bonded Organic Ferromagnetic Compound 4-Hydroxyimino-TEMPO Goro Maruta, Sadamu Takeda, Ron Imachi, Takayuki Ishida, Takashi Nogami, and Kizashi Yamaguchi pp 424–431 DOI: 10.1021/ja982393w

Restricted Stereochemistry of Solvation of Allylic Lithium Compounds:  Structural and Dynamic Consequences Gideon Fraenkel, Joseph H. Duncan, and Jinhai Wang pp 432–443 DOI: 10.1021/ja983047h Supporting Info

Kinetics of the Allosteric Transition in Hemoglobin within Silicate Sol−Gels Naoya Shibayama and Satoshi Saigo pp 444–445 DOI: 10.1021/ja983652k

Probing the Surface Structural Rearrangement of Hydrogels by Sum-Frequency Generation Spectroscopy Qing Chen, Dan Zhang, Gabor Somorjai, and Carolyn R. Bertozzi pp 446–447 DOI: 10.1021/ja9831453 Supporting Info

Optical Sensing in Nanopores. Encapsulation of the Solvatochromic Dye Nile Red in Zeolites Julia L. Meinershagen and Thomas Bein pp 448–449 DOI: 10.1021/ja982647d

Alkenylboronate Tethered Intramolecular Diels−Alder Reactions Robert A. Batey, Avinash N. Thadani, and Alan J. Lough pp 450–451 DOI: 10.1021/ja9828004 Supporting Info

A Methylviologen Lead(II) Iodide:  Novel [PbI3-]∞ Chains with Mixed Octahedral and Trigonal Prismatic Coordination Zhongjia Tang and Arnold M. Guloy pp 452–453 DOI: 10.1021/ja982702i Supporting Info

Assembly of Organic Molecules on Silicon Surfaces via the Si−N Linkage W. F. Bergerson, J. A. Mulder, R. P. Hsung, and X.-Y. Zhu pp 454–455 DOI: 10.1021/ja9832966

Enantioselective Total Synthesis of Reveromycin B Keith E. Drouet and Emmanuel A. Theodorakis pp 456–457 DOI: 10.1021/ja983429n Supporting Info

Iterative Synthesis and Properties of Cross-Conjugated iso-Polydiacetylene Oligomers Yuming Zhao and Rik R. Tykwinski pp 458–459 DOI: 10.1021/ja983288p Supporting Info

An Efficient Catalyst for Asymmetric Epoxidation of Terminal Olefins James P. Collman, Zhong Wang, Andrei Straumanis, and Mélanie QuelquejeuEric Rose pp 460–461 DOI: 10.1021/ja9818699 Supporting Info

Hybrid Nanoparticles with Block Copolymer Shell Structures Keith J. Watson, Jin Zhu, SonBinh T. Nguyen, and Chad A. Mirkin pp 462–463 DOI: 10.1021/ja983173l Supporting Info

On the Mechanism of DNA Cleavage by Fullerenes Investigated in Model Systems:  Electron Transfer from Guanosine and 8-Oxo-Guanosine Derivatives to C60 Robert Bernstein, Ferran Prat, and Christopher S. Foote pp 464–465 DOI: 10.1021/ja983335d

Sugar-containing Polyamines Prepared Using Galactose Oxidase Coupled with Chemical Reduction Xiao-Chuan Liu and Jonathan S. Dordick pp 466–467 DOI: 10.1021/ja9826439 Supporting Info

n-Pentenyl Glycosyl Orthoesters as Versatile Intermediates in Oligosaccharide Synthesis. The Proteoglycan Linkage Region1 John G. Allen and Bert Fraser-Reid pp 468–469 DOI: 10.1021/ja9832358 Supporting Info

The Dickerson-Drew B-DNA Dodecamer Revisited at Atomic Resolution Valentina Tereshko, George Minasov, and Martin Egli pp 470–471 DOI: 10.1021/ja9832919

Highly Efficient, Thermally and Chemically Stable Second Order Nonlinear Optical Chromophores Containing a 2-Phenyl-tetracyanobutadienyl Acceptor Xiaoming Wu, Jianyao Wu, Yunqi Liu, and Alex K-Y. Jen pp 472–473 DOI: 10.1021/ja983537+

Targeted Site-Specific Gas-Phase Cleavage of Oligoribonucleotides. Application in Mass Spectrometry-Based Identification of Ligand Binding Sites Richard H. Griffey, Michael J. Greig, Haoyun An, Henri Sasmor, and Sherilynn Manalili pp 474–475 DOI: 10.1021/ja983131x

Novel Chemoselectivity and Stereochemical Aspects of Nickel-Catalyzed [2 + 2 + 2] Cycloadditions Jeongbeob Seo, Helen M. P. Chui, Mary Jane Heeg, and John Montgomery pp 476–477 DOI: 10.1021/ja983081w Supporting Info

Caged HIV-1 Protease:  Dimerization Is Independent of the Ionization State of the Active Site Aspartates Glenn F. Short III, Michiel Lodder, Andrei L. Laikhter, Tuncer Arslan, and Sidney M. Hecht pp 478–479 DOI: 10.1021/ja9838054 Supporting Info

Dioxygen Activation at [OsCl(dcpe)2]+ Gives [OsCl(O)(dcpe)2]+, the First Stable Oxo Complex of Osmium(IV) Peter Barthazy, Michael Wörle, and Antonio Mezzetti pp 480–481 DOI: 10.1021/ja982736q Supporting Info

First Transition-Metal Complex Catalyzed Addition of Organic Disulfides to Alkenes Enables the Rapid Synthesis of vicinal-Dithioethers Teruyuki Kondo, Shin-ya Uenoyama, Ken-ichi Fujita, and Take-aki Mitsudo pp 482–483 DOI: 10.1021/ja983497+ Supporting Info

Femtosecond Dynamics and Electrocatalysis of the Reduction of O2:  Tetraruthenated Cobalt Porphyrins Hua-Zhong Yu, J. Spencer Baskin, Beat Steiger, Fred C. Anson, and Ahmed H. Zewail pp 484–485 DOI: 10.1021/ja983532c

Cholesterol−Phospholipid Complexes in Membranes Arun Radhakrishnan and Harden M. McConnell pp 486–487 DOI: 10.1021/ja9835537

Identification of a Novel Catalytic Triad with Dual Functions in Enzymatic Cleavage of the P−O Bond Robert J. Kubiak, Robert J. Hondal, Xiangjun Yue, Ming-Daw Tsai, and Karol S. Bruzik pp 488–489 DOI: 10.1021/ja9834677

Homolysis of Carbenes. Free Radicals from Dialkoxycarbenes J. Am. Chem. Soc. 1998, 120, 11182−11183 Paul C. Venneri and John Warkentin p 490 DOI: 10.1021/ja985537f

Chemistry of Advanced Materials. An Overview Edited by Leonard V. Interrante (Renssalaer Polytechnic Institute) and Mark J. Hampden-Smith (University of New Mexico). Wiley-VCH:  New York. 1998. v + 580 pp. $89.95. ISBN 0-471-18590-6. Thomas R. Cundari p 490 DOI: 10.1021/ja9856304

Advances in X-ray Analysis. Volume 39. Proceedings of the Forty-fourth Annual Conference on Applications of X-ray Analysis, July 31 to August 4, 1995, Colorado Springs, CO Edited by John V. Gilfrich, I. Cev Noyan, Ron Jenkins, Ting C. Huang, Robert L. Snyder, Deane K. Smith, Mary Ann Zaitz, and Paul K. Predecki. Plenum Press:  New York. 1997. xvii + 908 pp. $175.00. ISBN 0-306-45803-9. Kirk K. Nielson p 490 DOI: 10.1021/ja9856349

Issue 03

C−H and N−H Bond Dissociation Energies of Small Aromatic Hydrocarbons Cynthia Barckholtz, Timothy A. Barckholtz, and Christopher M. Hadad pp 491–500 DOI: 10.1021/ja982454q Supporting Info

Redox Thermodynamics of Blue Copper Proteins Gianantonio Battistuzzi, Marco Borsari, Lodovica Loschi, Fabio Righi, and Marco Sola pp 501–506 DOI: 10.1021/ja982126q

Reactivity of Substituted Phenols Toward Alkyl Radicals Paola Franchi, Marco Lucarini, Gian Franco Pedulli, Luca Valgimigli, and Bruno Lunelli pp 507–514 DOI: 10.1021/ja982405d

Kinetic Isotope Effects in the Reduction of Methyl Iodide Torkil Holm pp 515–518 DOI: 10.1021/ja981968m Supporting Info

Spectroscopic and Structural Characterization of a Phosphavinylidene Carbenoid, Mes*-PC(Cl){Li(DME)2}:  Stabilization of a Carbenanionic Center by a Cisoid Lone Pair Interaction Edgar Niecke, Martin Nieger, Olaf Schmidt, Dietrich Gudat, and Wolfgang W. Schoeller pp 519–522 DOI: 10.1021/ja981980e Supporting Info

Theoretical Predictions and Single-Crystal Neutron Diffraction and Inelastic Neutron Scattering Studies on the Reaction of Dihydrogen with the Dinuclear Dinitrogen Complex of Zirconium [P2N2]Zr(μ-η2-N2)Zr[P2N2], P2N2 = PhP(CH2SiMe2NSiMe2CH2)2PPh Harold Basch, Djamaladdin G. Musaev, Keiji Morokuma, Michael D. Fryzuk, Jason B. Love, Wolfram W. Seidel, Alberto Albinati, Thomas F. Koetzle, Wim T. Klooster, Sax A. Mason, and Juergen Eckert pp 523–528 DOI: 10.1021/ja9824831 Supporting Info

[Os2(CO)8(μ2-η1,η1-propene)] and Related Complexes as Vibrational Models for Alkenes Chemisorbed on Single-Crystal Metal Surfaces Christopher E. Anson, Norman Sheppard, Bruce R. Bender, and Jack R. Norton pp 529–534 DOI: 10.1021/ja982118+

OsIII(N2)OsII Complexes at the Localized-to-Delocalized, Mixed-Valence Transition Konstantinos D. Demadis, El-Sayed El-Samanody, George M. Coia, and Thomas J. Meyer pp 535–544 DOI: 10.1021/ja982802o Supporting Info

Application of NMR to Interfacial Coordination Chemistry:  A 195Pt NMR Study of the Interaction of Hexachloroplatinic Acid Aqueous Solutions with Alumina Boris Shelimov, Jean-François Lambert, Michel Che, and Blaise Didillon pp 545–556 DOI: 10.1021/ja982515k

Thin-Film Molecular Materials Based on Tetrametallic “Squares”:  Nanoscale Porosity and Size-Selective Guest Transport Characteristics Suzanne Bélanger, Joseph T. Hupp, Charlotte L. Stern, Robert V. Slone, David F. Watson, and Thomas G. Carrell pp 557–563 DOI: 10.1021/ja9829867 Supporting Info

Mechanisms of Stereocontrol for Doubly Silylene-Bridged Cs- and C1-Symmetric Zirconocene Catalysts for Propylene Polymerization. Synthesis and Molecular Structure of Li2[(1,2-Me2Si)2{C5H2-4-(1R,2S,5R-menthyl)}{C5H-3,5-(CHMe2)2)}]·3THF and [(1,2-Me2Si)2{η5-C5H2-4-(1R,2S,5R-menthyl)}{η5-C5H-3,5-(CHMe2)2}]ZrCl2 Dario Veghini, Lawrence M. Henling, Terry J. Burkhardt, and John E. Bercaw pp 564–573 DOI: 10.1021/ja982868j Supporting Info

Reactivity of Sc+(3D,1D) and V+(5D,3F):  Reaction of Sc+ and V+ with Water Arantxa Irigoras, Joseph E. Fowler, and Jesus M. Ugalde pp 574–580 DOI: 10.1021/ja9805829 Supporting Info

Donor−Sensitizer−Acceptor Triad System for Photoenergy Migration, Photoenergy Transfer, and Electron Transfer in a Bilayer Membrane Tomoyuki Morita, Shunsaku Kimura, and Yukio Imanishi pp 581–586 DOI: 10.1021/ja981186t Supporting Info

Mechanism-Based Inactivation of the Human Prolyl-4-hydroxylase by 5-Oxaproline-Containing Peptides:  Evidence for a Prolyl Radical Intermediate Min Wu, Hong-Sik Moon, and Tadhg P. BegleyJohanna Myllyharju and Kari I. Kivirikko pp 587–588 DOI: 10.1021/ja981193h Supporting Info

Novel Turns and Helices in Peptides of Chiral α-Aminoxy Acids Dan Yang, Jin Qu, Bing Li, Fei-Fu Ng, Xue-Chao Wang, Kung-Kai Cheung, De-Ping Wang, and Yun-Dong Wu pp 589–590 DOI: 10.1021/ja982528y Supporting Info

Pentalenene Synthase. Histidine-309 Is Not Required for Catalytic Activity Myriam Seemann, Guangzhi Zhai, Kazuo Umezawa, and David Cane pp 591–592 DOI: 10.1021/ja983657h Supporting Info

Asymmetric Synthesis of Chiral, Nonracemic Trifluoromethyl-Substituted Piperidines and Decahydroquinolines Jinlong Jiang, Robert J. DeVita, George A. Doss, Mark T. Goulet, and Matthew J. Wyvratt pp 593–594 DOI: 10.1021/ja983389n Supporting Info

Synthesis, Structure, Spectroscopy, and Reactivity of a Metallathiabenzene1 John R. Bleeke and Paul V. HinkleNigam P. Rath pp 595–596 DOI: 10.1021/ja983315b Supporting Info

Issue 04

Introducing Structural Diversity in Oligonucleotides via Photolabile, Convertible C5-Substituted Nucleotides Jeffrey D. Kahl and Marc M. Greenberg pp 597–604 DOI: 10.1021/ja983273r Supporting Info

Molecular Dynamics of a 15-Residue Poly(l-alanine) in Water:  Helix Formation and Energetics Mitsunori Takano, Takahisa Yamato, Junichi Higo, Akira Suyama, and Kuniaki Nagayama pp 605–612 DOI: 10.1021/ja982919c

Hybrid Redox Polyether Melts Based on Polyether-Tailed Counterions Enders Dickinson V, Mary Elizabeth Williams, Susan M. Hendrickson, Hitoshi Masui, and Royce W. Murray pp 613–616 DOI: 10.1021/ja983184e Supporting Info

Steric Control of Electron Transfer. Changeover from Outer-Sphere to Inner-Sphere Mechanisms in Arene/Quinone Redox Pairs Stephan M. Hubig, Rajendra Rathore, and Jay K. Kochi pp 617–626 DOI: 10.1021/ja9831002

Generation of Monospecific Nanomolar Tyrosine Kinase Inhibitors via a Chemical Genetic Approach Anthony C. Bishop, Chi-yun Kung, Kavita Shah, Laurie Witucki, Kevan M. Shokat, and Yi Liu pp 627–631 DOI: 10.1021/ja983267v Supporting Info

Solvent Binding to Benzamide Crystals:  Morphology, Induced Twinning and Direct Observation by Surface X-ray Diffraction Ron Edgar, Thomas M. Schultz, Frank B. Rasmussen, Robert Feidenhans'l, and Leslie Leiserowitz pp 632–637 DOI: 10.1021/ja9822660

Structure of Restacked MoS2 and WS2 Elucidated by Electron Crystallography Joy Heising and Mercouri G. Kanatzidis pp 638–643 DOI: 10.1021/ja983043c

Equilibrium Geometry, Stability, and Magnetic Properties of Small MnO Clusters S. K. Nayak and P. Jena pp 644–652 DOI: 10.1021/ja981721p

Disulfide-Bridged Heterotrimeric Collagen Peptides Containing the Collagenase Cleavage Site of Collagen Type I. Synthesis and Conformational Properties Johannes Ottl and Luis Moroder pp 653–661 DOI: 10.1021/ja983456d

Synthesis of Plasmalogen via 2,3-Bis-O-(4‘-methoxybenzyl)-sn-glycerol Donghui Qin, Hoe-Sup Byun, and Robert Bittman pp 662–668 DOI: 10.1021/ja982837o

C2-Symmetric Copper(II) Complexes as Chiral Lewis Acids. Scope and Mechanism of Catalytic Enantioselective Aldol Additions of Enolsilanes to (Benzyloxy)acetaldehyde David A. Evans, Marisa C. Kozlowski, Jerry A. Murry, Christopher S. Burgey, Kevin R. Campos, Brian T. Connell, and Richard J. Staples pp 669–685 DOI: 10.1021/ja9829822 Supporting Info

C2-Symmetric Copper(II) Complexes as Chiral Lewis Acids. Scope and Mechanism of the Catalytic Enantioselective Aldol Additions of Enolsilanes to Pyruvate Esters David A. Evans, Christopher S. Burgey, Marisa C. Kozlowski, and Steven W. Tregay pp 686–699 DOI: 10.1021/ja982983u Supporting Info

Total Synthesis of (+)-Aloperine. Use of a Nitrogen-Bound Silicon Tether in an Intramolecular Diels−Alder Reaction Arthur D. Brosius, Larry E. Overman, and Lothar Schwink pp 700–709 DOI: 10.1021/ja983013+ Supporting Info

A Short Enantioselective Total Synthesis of the Third-Generation Oral Contraceptive Desogestrel E. J. Corey and Alan X. Huang pp 710–714 DOI: 10.1021/ja983179a

Experimental and Computational Determination of the Effect of the Cyano Group on Carbon Acidity in Water John P. Richard, Glenn Williams, and Jiali Gao pp 715–726 DOI: 10.1021/ja982692l Supporting Info

The Structure of Hexabenzotriphenylene and the Problem of Overcrowded “D3h” Polycyclic Aromatic Compounds Lisa Barnett, Douglas M. Ho, Kim K. Baldridge, and Robert A. Pascal Jr. pp 727–733 DOI: 10.1021/ja983471i Supporting Info

Programmable One-Pot Oligosaccharide Synthesis Zhiyuan Zhang, Ian R. Ollmann, Xin-Shan Ye, Ralf Wischnat, Timor Baasov, and Chi-Huey Wong pp 734–753 DOI: 10.1021/ja982232s

Helical Chirality Induction by Point Chirality at Helix Terminal Tadashi Mizutani, Shigeyuki Yagi, Tomoko Morinaga, Tetsutaro Nomura, Toru Takagishi, Susumu Kitagawa, and Hisanobu Ogoshi pp 754–759 DOI: 10.1021/ja9830849

Chemical Control of Electrical Properties and Phase Diagram of a Series of λ-Type BETS Superconductors, λ-(BETS)2GaBrxCl4-x Hisashi Tanaka, Akiko Kobayashi, Akane Sato, Hiroki Akutsu, and Hayao Kobayashi pp 760–768 DOI: 10.1021/ja9827806 Supporting Info

Enzyme-Amplified Amperometric Detection of Hybridization and of a Single Base Pair Mutation in an 18-Base Oligonucleotide on a 7-μm-Diameter Microelectrode Daren J. Caruana and Adam Heller pp 769–774 DOI: 10.1021/ja983328p

Cluster-Expanded Prussian Blue Analogues Matthew P. Shores, Laurance G. Beauvais, and Jeffrey R. Long pp 775–779 DOI: 10.1021/ja983530s Supporting Info

EPR Spectroscopic Reinvestigation of the Activation of Iron Complexes of PMAH as a Bleomycin Model István Lippai, Richard S. Magliozzo, and Jack Peisach pp 780–784 DOI: 10.1021/ja980458p

Electron-Transfer Kinetics for Generation of Organoiron(IV) Porphyrins and the Iron(IV) Porphyrin π Radical Cations Shunichi Fukuzumi, Ikuo Nakanishi, Keiko Tanaka, Tomoyoshi Suenobu, Alain Tabard, Roger Guilard, Eric Van Caemelbecke, and Karl M. Kadish pp 785–790 DOI: 10.1021/ja982136r

A Recyclable Ru-Based Metathesis Catalyst Jason S. Kingsbury, Joseph P. A. Harrity, Peter J. Bonitatebus, Jr., and Amir H. Hoveyda pp 791–799 DOI: 10.1021/ja983222u Supporting Info

Reactivity of a Substituted m-Benzyne Biradical Kami K. Thoen and Hilkka I. Kenttämaa pp 800–805 DOI: 10.1021/ja982627b

Top Down versus Bottom Up Protein Characterization by Tandem High-Resolution Mass Spectrometry Neil L. Kelleher, Hong Y. Lin, Gary A. Valaskovic, David J. Aaserud, Einar K. Fridriksson, and Fred W. McLafferty pp 806–812 DOI: 10.1021/ja973655h

Adsorption of Cu, Pd, and Cs Atoms on Regular and Defect Sites of the SiO2 Surface Nuria Lopez, Francesc Illas, and Gianfranco Pacchioni pp 813–821 DOI: 10.1021/ja981753c

Charge-Shift Bonding in Group IVB Halides:  A Valence Bond Study of MH3−Cl (M = C, Si, Ge, Sn, Pb) Molecules Avital Shurki, Philippe C. Hiberty, and Sason Shaik pp 822–834 DOI: 10.1021/ja982218f

1H NMR Investigation of the Role of Intrinsic Heme versus Protein-Induced Rhombic Perturbations on the Electronic Structure of Low-Spin Ferrihemoproteins:  Effect of Heme Substituents on Heme Orientation in Myoglobin Urszula Kolczak, Jon B. Hauksson, Nicolette L. Davis, Usha Pande, Jeffrey S. de Ropp, Kevin C. Langry, Kevin M. Smith, and Gerd N. La Mar pp 835–843 DOI: 10.1021/ja983045x Supporting Info

TROSY-type Triple-Resonance Experiments for Sequential NMR Assignments of Large Proteins Michael Salzmann, Gerhard Wider, Konstantin Pervushin, Hans Senn, and Kurt Wüthrich pp 844–848 DOI: 10.1021/ja9834226

Interactions of Cytochrome c and Cytochrome f with Aspartic Acid Peptides Shun Hirota, Masaaki Endo, Kozue Hayamizu, Tomoya Tsukazaki, Teruhiro Takabe, Takamitsu Kohzuma, and Osamu Yamauchi pp 849–855 DOI: 10.1021/ja9828455

Evidence for a Kinetic Silicon Effect in a Sigmatropic Rearrangement Yi-Lun Lin and Edward Turos pp 856–857 DOI: 10.1021/ja9820339 Supporting Info

De Novo Design of Protein Function:  Predictable Structure−Function Relationships in Synthetic Redox Proteins Mitchell W. Mutz, Martin A. Case, James F. Wishart, M. Reza Ghadiri, and George L. McLendon pp 858–859 DOI: 10.1021/ja9828612 Supporting Info

Synthesis, Structure, and Reactivity of the First Enantiomerically Pure Ortho-Metalated Rhodium(II) Dimer Douglass F. Taber and Scott C. MalcolmKlaus Bieger, Pascual Lahuerta, Mercedes Sanaú, and Salah-Eddine StiribaJulia Pérez-PrietoM. Angeles Monge pp 860–861 DOI: 10.1021/ja9819559 Supporting Info

Photochemical Imprint of Molecular Recognition Sites in Monolayers Assembled on Au Electrodes Michal Lahav, Eugenii Katz, Amihood Doron, Fernando Patolsky, and Itamar Willner pp 862–863 DOI: 10.1021/ja983330g Supporting Info

The 16 kcal/mol Anomaly:  Alteration of [2 + 2 + 2] Cycloaddition Rates by Through-Bond Interactions Dorota Sawicka, Sarah Wilsey, and K. N. Houk pp 864–865 DOI: 10.1021/ja974322n

Enantioselective Total Syntheses of Ircinal A and Related Manzamine Alkaloids Stephen F. Martin, John M. Humphrey, Amjad Ali, and Michael C. Hillier pp 866–867 DOI: 10.1021/ja9829259 Supporting Info

Two Photon Excitation Spectrum of a Twisted Quadruple Bond Metal−Metal Complex Daniel S. Engebretson, Evan M. Graj, George E. Leroi, and Daniel G. Nocera pp 868–869 DOI: 10.1021/ja983295d

Absolute Configuration of Amphidinol 3, the First Complete Structure Determination from Amphidinol Homologues:  Application of a New Configuration Analysis Based on Carbon−Hydrogen Spin-Coupling Constants Michio Murata, Shigeru Matsuoka, Nobuaki Matsumori, Gopal K. Paul, and Kazuo Tachibana pp 870–871 DOI: 10.1021/ja983655x Supporting Info

Highly Enantioselective Propargylic Hydroxylations Catalyzed by Chloroperoxidase Shanghui Hu and Lowell P. Hager pp 872–873 DOI: 10.1021/ja983612g Supporting Info

Self-Assembly of a Copper-Ligating Dendrimer that Provides a New Non-Heme Metalloprotein Mimic:  “Dendrimer Effects” on Stability of the Bis(μ-oxo)dicopper(III) Core Masashi Enomoto and Takuzo Aida pp 874–875 DOI: 10.1021/ja982282x Supporting Info

A Novel Cycloisomerization of Tetraenones:  4+3 Trapping of the Nazarov Oxyallyl Intermediate Yong Wang, Atta M. Arif, and F. G. West pp 876–877 DOI: 10.1021/ja9837001 Supporting Info

Cyclopentenones from Carbonylative Cycloaddition of Mackenzie's Allyl Nickel Complexes and Acetylenes Gabriel García-Gómez and Josep M. Moretó pp 878–879 DOI: 10.1021/ja982207m Supporting Info

Catalytic Carbon−Carbon Bond Activation of Unstrained Ketone by Soluble Transition-Metal Complex Chul-Ho Jun and Hyuk Lee pp 880–881 DOI: 10.1021/ja983197s Supporting Info

Controlled Growth of Gold Nanoparticles during Ligand Exchange Leif O. Brown and James E. Hutchison pp 882–883 DOI: 10.1021/ja983510q Supporting Info

Synthesis and Reactivity of Alkoxy, Aryloxy, and Dialkylamino Phosphazene Azides Michael B. McIntosh, Thomas J. Hartle, and Harry R. Allcock pp 884–885 DOI: 10.1021/ja983424q Supporting Info

The First Stable Cyclotrisilene Takeaki Iwamoto, Chizuko Kabuto, and Mitsuo Kira pp 886–887 DOI: 10.1021/ja983623+ Supporting Info

Electrochemical Conversion of Cyanide into Methylamine and C1−C2 Hydrocarbons M. Fedurco, C. Jorand Sartoretti, and J. Augustynski pp 888–889 DOI: 10.1021/ja983747m

An Approach to the Synthesis of CP-263,114:  A Remarkably Facile Silyloxy-Cope Rearrangement Matthew M. Bio and James L. Leighton pp 890–891 DOI: 10.1021/ja983609x Supporting Info

Enantioselective Aldol Reactions Catalyzed by Tin Methoxide and BINAP·Silver(I) Complex Akira Yanagisawa, Yukari Matsumoto, Kenichi Asakawa, and Hisashi Yamamoto pp 892–893 DOI: 10.1021/ja982857q Supporting Info

Analytical Gas Chromatography (Second Edition) By Walter Jennings, Eric Mittlefehldt, and Philip Stremple (J & W Scientific). Academic Press:  San Diego. 1997. $59.95. xii + 389 pp. ISBN 0-12-384357-X. Herbert H. Hill p 894 DOI: 10.1021/ja975669t

Unorthodox C,O Binding Mode of Me2BINOL in Pt(II) Complexes J. Am. Chem. Soc. 1998, 120, 11002−11003 Nicole M. Brunkan, Peter S. White, and Michel R. Gagné p 894 DOI: 10.1021/ja9855390

Issue 05

Mapping the Potential Energy Surfaces of the 1,6-Diphenyl-1,3,5-hexatriene Ground and Triplet States Jack Saltiel, Janell M. Crowder, and Shujun Wang pp 895–902 DOI: 10.1021/ja982551j

Mechanistic Studies of the Inactivation of Inducible Nitric Oxide Synthase by N5-(1-Iminoethyl)-l-ornithine (l-NIO) Walter Fast, Dejan Nikolic, Richard B. Van Breemen, and Richard B. Silverman pp 903–916 DOI: 10.1021/ja982318l Supporting Info

Modifying the Surface Features of Two-Dimensional DNA Crystals Furong Liu, Ruojie Sha, and Nadrian C. Seeman pp 917–922 DOI: 10.1021/ja982824a

Preparation of Highly Impermeable Hyperbranched Polymer Thin-Film Coatings Using Dendrimers First as Building Blocks and Then as in Situ Thermosetting Agents Mingqi Zhao, Yuelong Liu, Richard M. Crooks, and David E. Bergbreiter pp 923–930 DOI: 10.1021/ja9825027 Supporting Info

Incremental Conversion of Outer-Membrane Permeabilizers into Potent Antibiotics for Gram-Negative Bacteria Chunhong Li, Loren P. Budge, Collin D. Driscoll, Barry M. Willardson, Glenn W. Allman, and Paul B. Savage pp 931–940 DOI: 10.1021/ja982938m Supporting Info

Winter Flounder “Antifreeze” Proteins:  Synthesis and Ice Growth Inhibition of Analogues that Probe the Relative Importance of Hydrophobic and Hydrogen-Bonding Interactions A. D. J. Haymet, Leanne G. Ward, and Margaret M. Harding pp 941–948 DOI: 10.1021/ja9801341 Supporting Info

Stereospecific and Regioselective Reactions of Silacyclopropanes with Carbonyl Compounds Catalyzed by Copper Salts:  Evidence for a Transmetalation Mechanism Annaliese K. Franz and K. A. Woerpel pp 949–957 DOI: 10.1021/ja982897u Supporting Info

Solvent-Cage Effect (Viscosity Dependence) as a Diagnostic Probe for the Mechanism of the Intramolecular Chemically Initiated Electron-Exchange Luminescence (CIEEL) Triggered from a Spiroadamantyl-Substituted Dioxetane Waldemar Adam, Irena Bronstein, Alexei V. Trofimov, and Rostislav F. Vasil'ev pp 958–961 DOI: 10.1021/ja982999k Supporting Info

Enthalpy and Entropy of Conjugative Interaction in a Nearly Coplanar Styrene and Cinnamyl Radical W. v. E. Doering, Johannes Benkhoff, and Liming Shao pp 962–968 DOI: 10.1021/ja983088d Supporting Info

Preparation and Characterization of a Neutral π-Radical Molecular Conductor T. M. Barclay, A. W. Cordes, R. C. Haddon, M. E. Itkis, R. T. Oakley, R. W. Reed, and H. Zhang pp 969–976 DOI: 10.1021/ja983490s Supporting Info

Synthesis, Characterization, and Catalysis of β3-[(CoIIO4)W11O31(O2)4],10- the First Keggin-Based True Heteropoly Dioxygen (Peroxo) Anion. Spectroscopic (ESR, IR) Evidence for the Formation of Superoxo Polytungstates Juan Server-Carrió, Julia Bas-Serra, María Elena González-Núñez, Amadeo García-Gastaldi, Geoffrey B. Jameson, Louis C. W. Baker, and Rafael Acerete pp 977–984 DOI: 10.1021/ja9804969 Supporting Info

Ab Initio Quantum Mechanical Study of the Structures and Energies for the Pseudorotation of 5‘-Dehydroxy Analogues of 2‘-Deoxyribose and Ribose Sugars Ken A. Brameld and William A. Goddard III pp 985–993 DOI: 10.1021/ja982995f Supporting Info

Copper(I)- or Iron(II)-Templated Synthesis of Molecular Knots Containing Two Tetrahedral or Octahedral Coordination Sites Gwénaël Rapenne, Christiane Dietrich-Buchecker, and Jean-Pierre Sauvage pp 994–1001 DOI: 10.1021/ja982239+ Supporting Info

Time-Resolved In-Situ Energy and Angular Dispersive X-ray Diffraction Studies of the Formation of the Microporous Gallophosphate ULM-5 under Hydrothermal Conditions Robin J. Francis, Stephen O'Brien, Andrew M. Fogg, P. Shiv Halasyamani, Dermot O'Hare, Thierry Loiseau, and Gerard Férey pp 1002–1015 DOI: 10.1021/ja982441c

Surface-Initiated Anionic Polymerization of Styrene by Means of Self-Assembled Monolayers Rainer Jordan, Abraham Ulman, Jung F. Kang, Miriam H. Rafailovich, and Jonathan Sokolov pp 1016–1022 DOI: 10.1021/ja981348l

Initial Excited-State Relaxation of the Isolated 11-cis Protonated Schiff Base of Retinal:  Evidence for in-Plane Motion from ab Initio Quantum Chemical Simulation of the Resonance Raman Spectrum Marco Garavelli, Fabrizia Negri, and Massimo Olivucci pp 1023–1029 DOI: 10.1021/ja981719y Supporting Info

A DFT and 59Co Solid-State NMR Study of the Second-Sphere Interaction in Polyammonium Macrocycles Cobalt Cyanide Supercomplexes Ping Zhou, Steve C. F. Au-Yeung, and Xiao-Ping Xu pp 1030–1036 DOI: 10.1021/ja981924d Supporting Info

On the Mechanism of Action of Vitamin B12:  Theoretical Studies of the 2-Methyleneglutarate Mutase Catalyzed Rearrangement David M. Smith, Bernard T. Golding, and Leo Radom pp 1037–1044 DOI: 10.1021/ja9827245 Supporting Info

Reactivity of the C−X (X = F, Cl, Br, and I) Bond Activation in CX4 by an Iridium(I) Complex from a Theoretical Viewpoint Ming-Der Su and San-Yan Chu pp 1045–1058 DOI: 10.1021/ja9831148

Electron Transfer at Electrodes through Conjugated “Molecular Wire” Bridges Stephen Creager, C. J. Yu, Cindy Bamdad, Steve O'Connor, Tanya MacLean, Eric Lam, Yoochul Chong, Gary T. Olsen, Jiye Luo, Michael Gozin, and Jon Faiz Kayyem pp 1059–1064 DOI: 10.1021/ja983204c

Excited-State Behavior of Some all-trans-α,ω-Dithienylpolyenes G. Bartocci, A. Spalletti, R. S. Becker, F. Elisei, S. Floridi, and U. Mazzucato pp 1065–1075 DOI: 10.1021/ja983250c

Spin Chemical Control of Photoinduced Electron-Transfer Processes in Ruthenium(II)-Trisbipyridine-Based Supramolecular Triads Thomas Klumpp, Markus Linsenmann, Steven L. Larson, Bradford R. Limoges, Dieter Bürssner, Evgenii B. Krissinel, C. Michael Elliott, and Ulrich E. Steiner pp 1076–1087 DOI: 10.1021/ja983373x

Application of Solid-State 31P NMR to the Study of Langmuir−Blodgett Films Gail E. Fanucci, C. Russell Bowers, and Daniel R. Talham pp 1088–1089 DOI: 10.1021/ja982383v

Synthesis of Diastereomerically Pure Monoisopinocampheylcyanoborane Adducts of Phosphines. Direct Evidence of an SN2 Substitution at a Boron Atom Patrick Vedrenne, Valérie Le Guen, Loïc Toupet, Thierry Le Gall, and Charles Mioskowski pp 1090–1091 DOI: 10.1021/ja983566k Supporting Info

Stereocontrolled Synthesis of Trisubstituted Tetrahydropyrans Mary J. Cloninger and Larry E. Overman pp 1092–1093 DOI: 10.1021/ja9838007 Supporting Info

Reaction of Zirconacyclopentadienes with CO in the Presence of n-BuLi. Selective Formation of Cyclopentenone Derivatives from Two Alkynes and CO Tamotsu Takahashi, Shouquan Huo, Ryuichiro Hara, Yoshinori Noguchi, Kiyohiko Nakajima, and Wen-Hua Sun pp 1094–1095 DOI: 10.1021/ja982570t Supporting Info

Differing Roles for the Diiron Clusters of Ribonucleotide Reductase from Aerobically Grown Escherichia coli in the Generation of the Y122 Radical Marcia A. Miller, Feben T. Gobena, Karl Kauffmann, Eckard Münck, Lawrence Que, Jr., and Marian T. Stankovich pp 1096–1097 DOI: 10.1021/ja9826845 Supporting Info

Total Synthesis of Luzopeptins A−C Dale L. Boger, Mark W. Ledeboer, and Masaharu Kume pp 1098–1099 DOI: 10.1021/ja983925b Supporting Info

Insertion of a Synthetic Peptide into a Recombinant Protein Framework:  A Protein Biosensor Graham J. Cotton, Brenda Ayers, Rong Xu, and Tom W. Muir pp 1100–1101 DOI: 10.1021/ja983804b Supporting Info

Analysis of Rates of Multiple Enzymes in Cell Lysates by Electrospray Ionization Mass Spectrometry Scott A. Gerber, C. Ronald Scott, Frantisek Turecek, and Michael H. Gelb pp 1102–1103 DOI: 10.1021/ja982878k

Catalytic Enantioselective Annulations via 1,4-Addition−Aldol Cyclization of Functionalized Organozinc Reagents Robert Naasz, Leggy A. Arnold, Mauro Pineschi, Erik Keller, and Ben L. Feringa pp 1104–1105 DOI: 10.1021/ja983693g Supporting Info

Synthesis of Epiantillatoxin, a Stereoisomer of the Potent Ichthyotoxin from Lyngbya majuscula James D. White, Roger Hanselmann, and Duncan J. Wardrop pp 1106–1107 DOI: 10.1021/ja983334l Supporting Info

A Highly Enantio-Selective Hexitol Nucleic Acid Template for Nonenzymatic Oligoguanylate Synthesis Igor A. Kozlov, Panagiotis K. Politis, Stefan Pitsch, Piet Herdewijn, and Leslie E. Orgel pp 1108–1109 DOI: 10.1021/ja9836489

Relative Energies and Entropies of Fullerene Triplet States in Solution Kevin D. Ausman and R. Bruce Weisman pp 1110–1111 DOI: 10.1021/ja983784d

The Purine-2-amino Group as the Critical Recognition Element for Sequence-Specific Alkylation and Cross-Linking of DNA by Mitomycin C J. Am. Chem. Soc. 1998, 120, 11581−11593 Maria Tomasz, Arunangshu Das, Kit S. Tang, Marjin G. J. Ford, Andrew Minnock, Steven M. Musser, and Michael J. Waring p 1112 DOI: 10.1021/ja9855388

Conceptual Perspectives in Quantum Chemistry. Edited by J.-L. Calais and E. S. Kryachko. Kluwer Academic Publishers:  Doredrecht, Netherlands. 1997. 553 pp. $395.00. ISBN 0-792-34688-2. Tracy Hamilton p 1112 DOI: 10.1021/ja985666w

Issue 06

Effects of γ-Turn and β-Tail Amino Acids on Sequence-Specific Recognition of DNA by Hairpin Polyamides Susanne E. Swalley, Eldon E. Baird, and Peter B. Dervan pp 1113–1120 DOI: 10.1021/ja9830905

Cycle Polyamide Motif for Recognition of the Minor Groove of DNA David M. Herman, James M. Turner, Eldon E. Baird, and Peter B. Dervan pp 1121–1129 DOI: 10.1021/ja983206x Supporting Info

Phase Behavior of Single DNA in Mixed Solvents Sergey M. Mel'nikov, Malek O. Khan, Björn Lindman, and Bo Jönsson pp 1130–1136 DOI: 10.1021/ja981491e

Design Strategies for Solid-State Supramolecular Arrays Containing Both Mixed-Metalated and Freebase Porphyrins C. V. Krishnamohan Sharma, Grant A. Broker, Jonathan G. Huddleston, Jeffrey W. Baldwin, Robert M. Metzger, and Robin D. Rogers pp 1137–1144 DOI: 10.1021/ja983983x Supporting Info

Development of a New Type of Protease Inhibitors, Efficacious against FIV and HIV Variants Taekyu Lee, Van-Duc Le, Dongyeol Lim, Ying-Chuan Lin, Garrett M. Morris, Andrew L. Wong, Arthur J. Olson, John H. Elder, and Chi-Huey Wong pp 1145–1155 DOI: 10.1021/ja982893p

Partial Molar Volumes and Adiabatic Compressibilities of a Series of Aliphatic Amino Acids and Oligoglycines in D2O Olga Likhodi and Tigran V. Chalikian pp 1156–1163 DOI: 10.1021/ja983127l

Dependence on the Mobile-Phase pH of the Adsorption Behavior of Propranolol Enantiomers on a Cellulase Protein Used as the Chiral Selector Torgny Fornstedt, Gustaf Götmar, Marie Andersson, and Georges Guiochon pp 1164–1174 DOI: 10.1021/ja9831296

Preparative Enzymatic Synthesis and Characterization of the Cytoplasmic Intermediates of Murein Biosynthesis Sreelatha G. Reddy, Sherman T. Waddell, David W. Kuo, Kenny K. Wong, and David L. Pompliano pp 1175–1178 DOI: 10.1021/ja983850b Supporting Info

Are Pyridinethiones Reliable Photochemical Oxyl-Radical Sources for Photobiological Studies? The Importance of Secondary Photolysis Products in the Guanine Oxidation of 2‘-Deoxyguanosine and Cell-Free DNA Waldemar Adam, Günther N. Grimm, Stefan Marquardt, and Chantu R. Saha-Möller pp 1179–1185 DOI: 10.1021/ja9811849 Supporting Info

Crystalline Cyclic Peptide Nanotubes at Interfaces Hanna Rapaport, Hui Sun Kim, Kristian Kjaer, Paul B. Howes, Sidney Cohen, Jens Als-Nielsen, M. Reza Ghadiri, Leslie Leiserowitz, and Meir Lahav pp 1186–1191 DOI: 10.1021/ja982420i

A Selective Receptor for Arginine Derivatives in Aqueous Media. Energetic Consequences of Salt Bridges That Are Highly Exposed to Water Sarah M. Ngola, Patrick C. Kearney, Sandro Mecozzi, Keith Russell, and Dennis A. Dougherty pp 1192–1201 DOI: 10.1021/ja982499r

Laser Flash Photolysis and Computational Study of Singlet Phenylnitrene Nina P. Gritsan, Zhendong Zhu, Christopher M. Hadad, and Matthew S. Platz pp 1202–1207 DOI: 10.1021/ja982661q

Chimeric Triterpene Synthase. A Possible Model for Multifunctional Triterpene Synthase Tetsuo Kushiro, Masaaki Shibuya, and Yutaka Ebizuka pp 1208–1216 DOI: 10.1021/ja983012h

Stereospecific Synthesis of (+)- and (−)-Cyclooctenone Derivatives Using a Ring Expansion Reaction with Me3SiSnBu3 and CsF Alice Emi Imai, Yoshihiro Sato, Mayumi Nishida, and Miwako Mori pp 1217–1225 DOI: 10.1021/ja983168h Supporting Info

Effect of Aromatic Ring Substitution on the Optical Properties, Emission Dynamics, and Solid-State Behavior of Fluorinated Oligophenylenevinylenes Bernd Strehmel, Ananda M. Sarker, John H. Malpert, Veronika Strehmel, Holger Seifert, and Douglas C. Neckers pp 1226–1236 DOI: 10.1021/ja983308n

Synthesis of Vancomycin from the Aglycon Christopher Thompson, Min Ge, and Daniel Kahne pp 1237–1244 DOI: 10.1021/ja983504u Supporting Info

Aldehyde Addition and Copper-Mediated Allylation of Bicyclic Alkoxytitanacyclopentenes and -Pentadienes:  New Selectivities and an Unusual Reaction Hirokazu Urabe and Fumie Sato pp 1245–1255 DOI: 10.1021/ja982501e

Structure of the Molybdenum Site of Dimethyl Sulfoxide Reductase Graham N. George, James Hilton, Carrie Temple, Roger C. Prince, and K. V. Rajagopalan pp 1256–1266 DOI: 10.1021/ja982843k

Dynamic Enolate Recognition in Aqueous Solution by Zinc(II) in a Phenacyl-Pendant Cyclen Complex:  Implications for the Role of Zinc(II) in Class II Aldolases Eiichi Kimura, Teruhiro Gotoh, Tohru Koike, and Motoo Shiro pp 1267–1274 DOI: 10.1021/ja982904e Supporting Info

Chemistry of Dimetallaboranes Derived from the Reaction of [Cp*MCl2]2 with Monoboranes (M = Ru, Rh; Cp* = η5-C5Me5) Xinjian Lei, Maoyu Shang, and Thomas P. Fehlner pp 1275–1287 DOI: 10.1021/ja982954j Supporting Info

Alkoxy- and Aryloxyboratabenzene Complexes of Zirconium Jonathan S. Rogers, Rene J. Lachicotte, and Guillermo C. Bazan pp 1288–1298 DOI: 10.1021/ja983270e Supporting Info

Spectroscopic and Theoretical Studies of Oxygenated Dicopper(I) Complexes Containing Hydrocarbon-Linked Bis[2-(2-pyridyl)ethyl]amine Units:  Investigation of a Butterfly [Cu2(μ-η2:η2)(O2)]2+ Core Elna Pidcock, Honorio V. Obias, Masaaki Abe, Hong-Chang Liang, Kenneth D. Karlin, and Edward I. Solomon pp 1299–1308 DOI: 10.1021/ja983310e Supporting Info

Weighing Different Mechanistic Proposals for the Dötz Reaction:  A Density Functional Study Maricel Torrent, Miquel Duran, and Miquel Solà pp 1309–1316 DOI: 10.1021/ja981162m Supporting Info

Theoretical Study on the Origin of Enantioselectivity in the Bis(dihydroquinidine)-3,6-pyridazine·Osmium Tetroxide-Catalyzed Dihydroxylation of Styrene Gregori Ujaque, Feliu Maseras, and Agustí Lledós pp 1317–1323 DOI: 10.1021/ja9816335

Long-Lived Photoinduced Charge Separation and Redox-Type Photochromism on Mesoporous Oxide Films Sensitized by Molecular Dyads Pierre Bonhôte, Jacques-E. Moser, Robin Humphry-Baker, Nicolas Vlachopoulos, Shaik M. Zakeeruddin, Lorenz Walder, and Michael Grätzel pp 1324–1336 DOI: 10.1021/ja981742j

The Mechanism of Methoxy Radical Oxidation by O2 in the Gas Phase. Computational Evidence for Direct H Atom Transfer Assisted by an Intermolecular Noncovalent O···O Bonding Interaction Josep M. Bofill, Santiago Olivella, Albert Solé, and Josep M. Anglada pp 1337–1347 DOI: 10.1021/ja981926y Supporting Info

Prediction of the Geometries of Simple Transition Metal Polyhydride Complexes by Symmetry Analysis Craig A. Bayse and Michael B. Hall pp 1348–1358 DOI: 10.1021/ja981965+ Supporting Info

Listening to Reactive Intermediates:  Application of Photoacoustic Calorimetry to Vitamin B12 Compounds Rebecca R. Hung and Joseph J. Grabowski pp 1359–1364 DOI: 10.1021/ja9829620

Lithium and Sodium Ion Binding Energies of N-Acetyl and N-Glycyl Amino Acids Wan Yong Feng, Scott Gronert, and Carlito B. Lebrilla pp 1365–1371 DOI: 10.1021/ja983116s

Two-Dimensional High-Speed CP/MAS NMR Spectroscopy of Polymorphs. 1. Uniformly 13C-Labeled Aspartame Mark T. Zell, Brian E. Padden, David J. W. Grant, Marie-Christine Chapeau, Indra Prakash, and Eric J. Munson pp 1372–1378 DOI: 10.1021/ja983180+

Fast Long-Range Adiabatic Electron Transfer in a Model Polyglycine α-Helix Thomas Herz, Peter Gedeck, and Timothy Clark pp 1379–1380 DOI: 10.1021/ja9836500

C−H Bonds Are Not Elongated by Coordination to Lanthanide Metals:  Single-Crystal Neutron Diffraction Structures of (C5Me5)Y(OC6H3tBu2)CH(SiMe3)2 at 20 K and (C5Me5)La{CH(SiMe3)2}2 at 15 K Wim T. Klooster, Lee Brammer, Colin. J. Schaverien, and Peter H. M. Budzelaar pp 1381–1382 DOI: 10.1021/ja983068b Supporting Info

Facilitation of Enzyme-Catalyzed Reactions by Partial Proton Transfer:  Application to Coenzyme-B12-Dependent Methylmalonyl-CoA Mutase David M. Smith, Bernard T. Golding, and Leo Radom pp 1383–1384 DOI: 10.1021/ja983512a

NMR Measurement of Dipolar Couplings in Proteins Aligned by Transient Binding to Purple Membrane Fragments Bernd W. Koenig, Jin-Shan Hu, Marcel Ottiger, Salil Bose, Richard W. Hendler, and Ad Bax pp 1385–1386 DOI: 10.1021/ja9837856 Supporting Info

Close Structural Analogues of the Cytochrome c Oxidase Fea3/CuB Center Show Clean 4e- Electroreduction of O2 to H2O at Physiological pH James P. Collman, Miroslav Rapta, Martin Bröring, Lubica Raptova, Reinhold Schwenninger, Bernard Boitrel, Lei Fu, and Maurice L'Her pp 1387–1388 DOI: 10.1021/ja983351a Supporting Info

Synthesis of Cored Dendrimers Michael S. Wendland and Steven C. Zimmerman pp 1389–1390 DOI: 10.1021/ja983097m Supporting Info

Conformation-Dependent Photochemistry of 5-Halouracil-Containing DNA:  Stereospecific 2‘α-Hydroxylation of Deoxyribose in Z-form DNA Kiyohiko Kawai, Isao Saito, and Hiroshi Sugiyama pp 1391–1392 DOI: 10.1021/ja9827200 Supporting Info

Integration of Logic Functions and Sequential Operation of Gates at the Molecular-Scale A. Prasanna de Silva, Isabelle M. Dixon, H. Q. Nimal Gunaratne, Thorfinnur Gunnlaugsson, Pamela R. S. Maxwell, and Terence E. Rice pp 1393–1394 DOI: 10.1021/ja982909b Supporting Info

Large Competitive Kinetic Isotope Effects in Human 15-Lipoxygenase Catalysis Measured by a Novel HPLC Method Evan R. Lewis, Eric Johansen, and Theodore R. Holman pp 1395–1396 DOI: 10.1021/ja983083g

“Ship-in-a-Bottle” Formation of Stable Hydrophobic Dimers of cis-Azobenzene and -Stilbene Derivatives in a Self-Assembled Coordination Nanocage Takahiro Kusukawa and Makoto Fujita pp 1397–1398 DOI: 10.1021/ja9837295 Supporting Info

Intercalative Nanohybrids of Nucleoside Monophosphates and DNA in Layered Metal Hydroxide Jin-Ho Choy, Seo-Young Kwak, Jong-Sang Park, Yong-Joo Jeong, and Josik Portier pp 1399–1400 DOI: 10.1021/ja981823f Supporting Info

Total Syntheses of Depsipeptide Elastase Inhibitors YM-47141 and YM-47142 with use of Ylide Protection and Coupling Methods Harry H. Wasserman, Jyun-Hung Chen, and Mingde Xia pp 1401–1402 DOI: 10.1021/ja9840302 Supporting Info

Oxo-Like Reactivity of High Oxidation State Osmium Hydrazido Complexes My Hang V. Huynh, El-Sayed El-Samanody, Konstantinos D. Demadis, Thomas J. Meyer, and Peter S. White pp 1403–1404 DOI: 10.1021/ja983290g Supporting Info

Organometallic Complexes for Nonlinear Optics. 16.1 Second and Third Order Optical Nonlinearities of Octopolar Alkynylruthenium Complexes Andrew M. McDonagh, Mark G. Humphrey, Marek Samoc, Barry Luther-Davies, Stephan Houbrechts, Tatsuo Wada, Hiroyuki Sasabe, and André Persoons pp 1405–1406 DOI: 10.1021/ja982965c Supporting Info

13C NMR Flux Ratio Analysis of Escherichia coli Central Carbon Metabolism in Microaerobic Bioprocesses Jocelyne Fiaux, Charlotte I. J. Andersson, Niklas Holmberg, Leif Bülow, Pauli T. Kallio, Thomas Szyperski, James E. Bailey, and Kurt Wüthrich pp 1407–1408 DOI: 10.1021/ja983786y Supporting Info

Metal Atom Synthesis of (η6-Toluene)(η2-ethene)iron(σ1-stannandiyls):  Unusual Iron(0) Complexes Jörg J. Schneider, Norbert Czap, Dieter Bläser, and Roland Boese pp 1409–1410 DOI: 10.1021/ja983400j Supporting Info

Chemoenzymatic Synthesis of the 9-Deoxy- 9-fluoro-[3-13C]-NeuAc-α-(2→6)-[U-13C]-Gal-β- Sequence on an Intact Glycoprotein Tatsuo Miyazaki, Tohru Sakakibara, Hajime Sato, and Yasuhiro Kajihara pp 1411–1412 DOI: 10.1021/ja982950e Supporting Info

A Calcium-Sensitive Magnetic Resonance Imaging Contrast Agent Wen-hong Li, Scott E. Fraser, and Thomas J. Meade pp 1413–1414 DOI: 10.1021/ja983702l

Infrared Evidence for CuB Ligation of Photodissociated CO of Cytochrome c Oxidase at Ambient Temperatures and Accompanied Deprotonation of a Carboxyl Side Chain of Protein Tadashi Iwase, Constantinos Varotsis, Kyoko Shinzawa-Itoh, Shinya Yoshikawa, and Teizo Kitagawa pp 1415–1416 DOI: 10.1021/ja983242w

Enantiocontrol in Tandem Carbonyl Ylide Formation and Intermolecular 1,3-Dipolar Cycloaddition of α-Diazo Ketones Mediated by Chiral Dirhodium(II) Carboxylate Catalyst Shinji Kitagaki, Masahiro Anada, Osamu Kataoka, Kentaro Matsuno, Chisato Umeda, Nobuhide Watanabe, and Shun-ichi Hashimoto pp 1417–1418 DOI: 10.1021/ja983748e Supporting Info

Micron-Scale Patterning of Hyperbranched Polymer Films by Micro-Contact Printing William M. Lackowski, Pradyut Ghosh, and Richard M. Crooks pp 1419–1420 DOI: 10.1021/ja983545q

Folding Energetics and Dynamics of Macromolecules in the Gas Phase:  Alkali Ion-Cationized Poly(ethylene terephthalate) Oligomers Jennifer Gidden, Thomas Wyttenbach, Joseph J. Batka, Patrick Weis, Anthony T. Jackson, James H. Scrivens, and Michael T. Bowers pp 1421–1422 DOI: 10.1021/ja9831047 Supporting Info

Atmospheric Chemistry and Physics:  From Air Pollution to Climate Change By John H. Seinfeld (California Institute of Technology) and Spyros N. Pandis (Carnegie Mellon University). Wiley-VCH:  New York. 1997. $89.95. xxvii + 1326 pp. ISBN 0-471-17815-2. Peter Q. Olsson and Richard L. Benner p 1423 DOI: 10.1021/ja985605y

Theoretical Aspects and Computer Modeling of the Molecular Solid State Edited by Angelo Gavezzotti (University of Milan, Italy). John Wiley & Sons:  Chichester, New York, etc. 1997. x + 237 pp. $70.00. ISBN 0-471-96187-6. Jerry A. Darsey pp 1423–1424 DOI: 10.1021/ja9755267

Specialist Periodical Reports. Nuclear Magnetic Resonance, Vol. 26 By Senior Reporter G. A. Webb (University of Surrey). The Royal Society of Chemistry:  Cambridge, U.K. 1997. xxii + 604 pp. $407.00. ISBN 0-85404-312-8. p 1424 DOI: 10.1021/ja975701j

The Beilstein System:  Strategies for Effective Searching Edited by Stephen R. Heller. ACS:  Washington, DC. 1998. xiv + 208 pp. $74.95 ISBN 0-8412-3523-6. David Flaxbart p 1424 DOI: 10.1021/ja985622n

Issue 07

Biomimetic Simulation of Free Radical-Initiated Cascade Reactions Postulated To Occur at the Active Site of Ribonucleotide Reductases1 Morris J. Robins, Zhiqiang Guo, Mirna C. Samano, and Stanislaw F. Wnuk pp 1425–1433 DOI: 10.1021/ja983449p Supporting Info

Remote Binding Energy in Antibody Catalysis:  Studies of a Catalytically Unoptimized Specificity Pocket Herschel Wade and Thomas S. Scanlan pp 1434–1443 DOI: 10.1021/ja983017e

Mn2+-dependent Catalysis by Restriction Enzymes:  Pre-Steady-State Analysis of EcoRV Endonuclease Reveals Burst Kinetics and the Origins of Reduced Activity My D. Sam and John J. Perona pp 1444–1447 DOI: 10.1021/ja983787q

Chiral Symmetry Breaking in Stirred Crystallization of 1,1‘-Binaphthyl Melt Dilip K. Kondepudi, Jennifer Laudadio, and Kouichi Asakura pp 1448–1451 DOI: 10.1021/ja983418u

Molecular Recognition Abilities of a New Class of Water-Soluble Cyclophanes Capable of Encompassing a Neutral Cavity Masahiko Inouye, Kazuhisa Fujimoto, Masaru Furusyo, and Hiroyuki Nakazumi pp 1452–1458 DOI: 10.1021/ja9725256

Photochemistry of 2-Azido-1-methylimidazole in Aqueous Solutions. Observation of the 1-Methyl-2-imidazolylnitrenium Ion Timothy A. Gadosy and Robert A. McClelland pp 1459–1465 DOI: 10.1021/ja9827090 Supporting Info

Energy Migration in a Poly(phenylene ethynylene):  Determination of Interpolymer Transport in Anisotropic Langmuir−Blodgett Films Igor A. Levitsky, Jinsang Kim, and Timothy M. Swager pp 1466–1472 DOI: 10.1021/ja982610t

Simple, Highly Active Palladium Catalysts for Ketone and Malonate Arylation:  Dissecting the Importance of Chelation and Steric Hindrance Motoi Kawatsura and John F. Hartwig pp 1473–1478 DOI: 10.1021/ja983378u

[C−H···O] Interactions as a Control Element in Supramolecular Complexes:  Experimental and Theoretical Evaluation of Receptor Affinities for the Binding of Bipyridinium-Based Guests by Catenated Hosts1 K. N. Houk, Stephan Menzer, Simon P. Newton, Françisco M. Raymo, J. Fraser Stoddart, and David J. Williams pp 1479–1487 DOI: 10.1021/ja982748b Supporting Info

Cooperative Jahn−Teller Interactions in Dynamic Copper(II) Complexes. Temperature Dependence of the Crystal Structure and EPR Spectrum of Deuterated Ammonium Copper(II) Sulfate Hexahydrate Michael A. Hitchman, Wim Maaskant, Jaco van der Plas, Charles J. Simmons, and Horst Stratemeier pp 1488–1501 DOI: 10.1021/ja981831w Supporting Info

Ab Initio Study of Metal−Ring Bonding in the Bis(η6-benzene)lanthanide and -actinide Complexes M(C6H6)2 (M = La, Ce, Nd, Gd, Tb, Lu, Th, U) Gongyi Hong, Friedemann Schautz, and Michael Dolg pp 1502–1512 DOI: 10.1021/ja9830400

Hydrogenation Mechanisms in (Boratacycle)tantalum Analogues of Dimethylzirconocene Caroline K. Sperry, Guillermo C. Bazan, and W. Donald Cotter pp 1513–1523 DOI: 10.1021/ja982803g

Asymmetric Thermal Transformation, a New Way to Enantiopure Biphenyl-Bridged Titanocene and Zirconocene Complexes:  Efficient Catalysts for Asymmetric Imine Hydrogenation1 Markus Ringwald, Rainer Stürmer, and Hans H. Brintzinger pp 1524–1527 DOI: 10.1021/ja983524w Supporting Info

Circular Dichroism and Magnetic Circular Dichroism Spectroscopy of the Catalytically Competent Ferrous Active Site of Phenylalanine Hydroxylase and Its Interaction with Pterin Cofactor Jyllian N. Kemsley, Nataša Mitić, Kelly Loeb Zaleski, John P. Caradonna, and Edward I. Solomon pp 1528–1536 DOI: 10.1021/ja9833063 Supporting Info

Photochemistry of Highly Alkylated Dienes:  Computational Evidence for a Concerted Formation of Bicyclobutane Marco Garavelli, Barbara Frabboni, Monica Fato, Paolo Celani, Fernando Bernardi, Michael A. Robb, and Massimo Olivucci pp 1537–1545 DOI: 10.1021/ja982864e

Ionic Hydrogen Bonds in Bioenergetics. 4. Interaction Energies of Acetylcholine with Aromatic and Polar Molecules Carol A. Deakyne and Michael Meot-Ner (Mautner) pp 1546–1557 DOI: 10.1021/ja982549s Supporting Info

Kinetics of Bond Shift and Charge Transfer in Dialkynylphenylene-Bridged Dicyclooctatetraenes and Their Dianions Patrik Boman, Bertil Eliasson, Russell A. Grimm, Gregory S. Martin, Jeffrey T. Strnad, and Stuart W. Staley pp 1558–1564 DOI: 10.1021/ja9831251 Supporting Info

Unimolecular Reactions of Dihydrated Alkaline Earth Metal Dications M2+(H2O)2, M = Be, Mg, Ca, Sr, and Ba:  Salt-Bridge Mechanism in the Proton-Transfer Reaction M2+(H2O)2 → MOH+ + H3O+ Martin Beyer, Evan R. Williams, and Vladimir E. Bondybey pp 1565–1573 DOI: 10.1021/ja982653+

Ion-Transport Catalysis:  Catalyzed Isomerizations of NNH+ and NNCH3+ Andrew J. Chalk and Leo Radom pp 1574–1581 DOI: 10.1021/ja982928l Supporting Info

The Structure of Solid Copper(I) Cyanide:  A Multinuclear Magnetic and Quadrupole Resonance Study Scott Kroeker, Roderick E. Wasylishen, and John V. Hanna pp 1582–1590 DOI: 10.1021/ja983253p

Isolation and Spectral Properties of Kr@C60, a Stable van der Waals Molecule Kazunori Yamamoto, Martin Saunders, Anthony Khong, R. James Cross, Jr., Michael Grayson, Michael L. Gross, Angelo F. Benedetto, and R. Bruce Weisman pp 1591–1596 DOI: 10.1021/ja9831498

High Affinity and Specific Binding of HIV-1 TAR RNA by a Tat-Derived Oligourea N. Tamilarasu, Ikramul Huq, and Tariq M. Rana pp 1597–1598 DOI: 10.1021/ja983822t Supporting Info

Organic “Magic Rings”:  The Hydrogen Bond-Directed Assembly of Catenanes under Thermodynamic Control Timothy J. Kidd, David A. Leigh, and Andrew J. Wilson pp 1599–1600 DOI: 10.1021/ja983106r Supporting Info

Direct Observation of Hydrogen Bonds in Proteins by Interresidue 3hJNC‘ Scalar Couplings Florence Cordier and Stephan Grzesiek pp 1601–1602 DOI: 10.1021/ja983945d Supporting Info

Shikimic Acid and Quinic Acid:  Replacing Isolation from Plant Sources with Recombinant Microbial Biocatalysis K. M. Draths, David R. Knop, and J. W. Frost pp 1603–1604 DOI: 10.1021/ja9830243 Supporting Info

ESR Spectra of Superoxide Anion−Scandium Complexes Detectable in Fluid Solution Shunichi Fukuzumi, Matthias Patz, Tomoyoshi Suenobu, Yoshihiro Kuwahara, and Shinobu Itoh pp 1605–1606 DOI: 10.1021/ja981289b

Remarkable Enhancement of Second-Order Nonlinear Optical Properties of Polynorbornenes Having Pendant Chromophores. Use of Hyper-Rayleigh Scattering to Estimate the Tacticity of Rigid Rod Polymers Jitendra A. Sattigeri, Chung-Wai Shiau, Chia Chen Hsu, Fen-Fen Yeh, Sean Liou, Bih-Yaw Jin, and Tien-Yau Luh pp 1607–1608 DOI: 10.1021/ja983433z Supporting Info

Variable Dimensionality in the Uranium Fluoride/2-Methyl-Piperazine System:  Syntheses and Structures of UFO-5, -6, and -7; Zero-, One-, and Two-Dimensional Materials with Unprecedented Topologies R. J. Francis, P. S. Halasyamani, J. S. Bee, and D. O'Hare pp 1609–1610 DOI: 10.1021/ja983629z Supporting Info

A Method for Assigning Phenylalanines in Proteins Hong Wang, David A. Janowick, Jeffery M. Schkeryantz, Xiaohong Liu, and Stephen W. Fesik pp 1611–1612 DOI: 10.1021/ja983897x Supporting Info

Synthesis of TiO2 Nanocrystals by Nonhydrolytic Solution-Based Reactions Timothy J. Trentler, Tiffany E. Denler, Jane F. Bertone, Aarti Agrawal, and Vicki L. Colvin pp 1613–1614 DOI: 10.1021/ja983361b Supporting Info

Direct Synthesis of Dispersed Nanocomposites by in Situ Living Free Radical Polymerization Using a Silicate-Anchored Initiator Marc W. Weimer, Hua Chen, Emmanuel P. Giannelis, and Dotsevi Y. Sogah pp 1615–1616 DOI: 10.1021/ja983751y

Counterion Diffusion Reveals Coil-to-Helix Transition in a Polyelectrolyte Malgorzata Ciszkowska and Janet G. Osteryoung pp 1617–1618 DOI: 10.1021/ja983607c

A Stable Neutral Hydrocarbon Radical:  Synthesis, Crystal Structure, and Physical Properties of 2,5,8-Tri-tert-butyl-phenalenyl Kosaburo Goto, Takashi Kubo, Kagetoshi Yamamoto, Kazuhiro Nakasuji, Kazunobu Sato, Daisuke Shiomi, Takeji Takui, Mari Kubota, Tunetoshi Kobayashi, Kyuya Yakusi, and Jianyong Ouyang pp 1619–1620 DOI: 10.1021/ja9836242 Supporting Info

A Single Langmuir−Blodgett Monolayer for Gas Separations Lan-hui Zhang, Robert A. Hendel, Pier Giorgio Cozzi, and Steven L. Regen pp 1621–1622 DOI: 10.1021/ja983625u

Perturbations in Aromatic and Antiaromatic Characters Due to Deuteration:  The Case of [16]Annulene Cheryl D. Stevenson and Todd L. Kurth pp 1623–1624 DOI: 10.1021/ja983762r

Molecular Dynamics Simulation of a PNA·DNA·PNA Triple Helix in Aqueous Solution J. Am. Chem. Soc. 1998, 120, 5895−5904 George C. Shields, Charles A. Laughton, and Modesto Orozco p 1625 DOI: 10.1021/ja985540z

Oxford Dictionary of Biochemistry and Molecular Biology Edited by A. D. Smith, S. P. Datta, G. Howard Smith, P. N. Campbell, R. Bentley, and H. A. McKenzie. Oxford University Press:  New York. 1997. 740 pp. $60.00. ISBN 0-19-854768-4. p 1625 DOI: 10.1021/ja985606q

Protein Purification:  Principles, High-Resolution Methods, and Applications. Second Edition Edited by Jan-Christer Janson and Lars Rydén (Uppsala University). John Wiley & Sons:  New York. 1988. 695 pp. ISBN 0-471-18626-0. W. David Nes p 1625 DOI: 10.1021/ja985637l

Basic Gas Chromatography:  Techniques in Analytical Chemistry By Harold M. McNair (Virginia Polytechnic Institute & State University) and James M. Miller (Drew University). Wiley-VCH:  New York. 1997. $49.95. xii + 200 pp. ISBN 0-471-17260-X. Eugene F. Barry pp 1625–1626 DOI: 10.1021/ja9856001

Supercooled Liquids:  Advances and Novel Applications Edited by John T. Fourkas, Daniel Kivelson, Udayan Mohanty, and Keith A. Nelson. American Chemical Society:  Washington, DC. 1997. xii + 352 pp. $110.95. ISBN 0-8412-3531-7. p 1626 DOI: 10.1021/ja985607i

Phototonic and Optoelectronic Polymers Edited by Samson A. Jenekhe (University of Rochester) and Kenneth J. Wynne (Office of Naval Research). American Chemical Society:  Washington, DC. 1997. 575 pp. $144.95. ISBN 0-8412-3519-2. p 1626 DOI: 10.1021/ja985608a

Therapeutic Protein and Peptide Formulation and Delivery Edited by Zahra Shahrokh, Victoria Sluzky, Jeffrey L. Cleland, Steven J. Shire, and Theodore W. Randolph. American Chemical Society:  Washington, DC. 1997. 240 pp. $89.95. ISBN 0-8412-3528-7. p 1626 DOI: 10.1021/ja9856093

Molecular Design of Polymeric Materials Edited by Koichi Hatada. Marcel Dekker, Inc.:  New York. 1997. ISBN 0-8247-9465-6. p 1626 DOI: 10.1021/ja985661z

Organic Coatings for Corrosion Control. ACS Symposium Series 689 Edited by Gordon P. Bierwagen (North Dakota State University). Oxford Press:  New York. 1998. xiii + 448 pp. ISBN 0-8412-3549-X. Zheng Chai p 1626 DOI: 10.1021/ja985716x

Issue 08

Ordering of Fractal Clusters in Crystallizing Lysozyme Solutions Yannis Georgalis, Patrick Umbach, Wolfram Saenger, Bernd Ihmels, and Dikeos Mario Soumpasis pp 1627–1635 DOI: 10.1021/ja982407y

Resin-to-Resin Acyl- and Aminoacyl-Transfer Reactions Using Oxime Supports Yoshitomo Hamuro, Mark A. Scialdone, and William F. DeGrado pp 1636–1644 DOI: 10.1021/ja9818654 Supporting Info

Ruthenium- and Enzyme-Catalyzed Dynamic Kinetic Resolution of Secondary Alcohols B. Anders Persson, Anna L. E. Larsson, Mikaël Le Ray, and Jan-E. Bäckvall pp 1645–1650 DOI: 10.1021/ja983819+ Supporting Info

From Condensed Lanthanide Coordination Solids to Microporous Frameworks Having Accessible Metal Sites Theresa M. Reineke, Mohamed Eddaoudi, Michael Fehr, Douglas Kelley, and O. M. Yaghi pp 1651–1657 DOI: 10.1021/ja983577d Supporting Info

Chemical and Biomedical Motifs of the Reactions of Hydroxymethylphosphines with Amines, Amino Acids, and Model Peptides Douglas E. Berning, Kattesh V. Katti, Charles L. Barnes, and Wynn A. Volkert pp 1658–1664 DOI: 10.1021/ja9827604 Supporting Info

Chiral Optical Properties of a Helical Polymer Synthesized from Nearly Racemic Chiral Monomers Highly Diluted with Achiral Monomers Salil K. Jha, Kap-Soo Cheon, Mark M. Green, and Jonathan V. Selinger pp 1665–1673 DOI: 10.1021/ja983202s

Intrinsic Rate Constants for Proton Transfer from a Monoketone to Amine Bases and Electrostatic Effects on the Intrinsic Rate Constants for the Deprotonation of Cationic Ketones by OH- Claude F. Bernasconi, José A. Moreira, Lisa L. Huang, and Kevin W. Kittredge pp 1674–1680 DOI: 10.1021/ja983304i Supporting Info

Photoinduced Electron Transfer in a Phenothiazine−Riboflavin Dyad Assembled by Zinc−Imide Coordination in Water Burkhard König, Mario Pelka, Harald Zieg, Tobias Ritter, Henri Bouas-Laurent, Roland Bonneau, and Jean-Pierre Desvergne pp 1681–1687 DOI: 10.1021/ja9836693 Supporting Info

Electron-Transfer Mechanisms with Photoactivated Quinones. The Encounter Complex versus the Rehm−Weller Paradigm Stephan M. Hubig and Jay K. Kochi pp 1688–1694 DOI: 10.1021/ja982710z

One- and Two-Electron Oxidative Pathways Leading to Cyclopropane-Containing Oxidized Porphyrinogens and C−C-Coupled Porphyrinogens from Alkali Cation− and Transition Metal−meso-Octaethylporphyrinogen Complexes Raffaella Crescenzi, Euro Solari, Carlo Floriani, Angiola Chiesi-Villa, and Corrado Rizzoli pp 1695–1706 DOI: 10.1021/ja982178f Supporting Info

Reactivity Studies of the Zirconium Alkylidene Complexes [η5-C5H3-1,3-(SiMe2CH2PPri2)2]ZrCHR(Cl) (R = Ph, SiMe3) Michael D. Fryzuk, Paul B. Duval, Shane S. S. H. Mao, Steven J. Rettig, Michael J. Zaworotko, and Leonard R. MacGillivray pp 1707–1716 DOI: 10.1021/ja982695y Supporting Info

Computational and Experimental Studies of (2,2)-Bis(indol-1-yl-methyl)acetate Suggest the Importance of the Hydrophobic Effect in Aromatic Stacking Interactions Yuan-Ping Pang, Jennifer L. Miller, and Peter A. Kollman pp 1717–1725 DOI: 10.1021/ja9828410 Supporting Info

NMR Relaxation Order Parameter Analysis of the Dynamics of Protein Side Chains David M. LeMaster pp 1726–1742 DOI: 10.1021/ja982988r

Effects of Charge and Intramolecular Structure on the Lipophilicity of Nitrophenols Véronique Chopineaux-Courtois, Frédéric Reymond, Géraldine Bouchard, Pierre-Alain Carrupt, Bernard Testa, and Hubert H. Girault pp 1743–1747 DOI: 10.1021/ja9836139

Development of a Rhodium Carbenoid-Initiated Claisen Rearrangement for the Enantioselective Synthesis of α-Hydroxy Carbonyl Compounds John L. Wood, George A. Moniz, Derek A. Pflum, Brian M. Stoltz, Alexandra A. Holubec, and Hans-Jürgen Dietrich pp 1748–1749 DOI: 10.1021/ja983294l Supporting Info

Evidence for Large Inner Reorganization Energies in the Reduction of Diaryl Disulfides:  Toward a Mechanistic Link between Concerted and Stepwise Dissociative Electron Transfers? Kim Daasbjerg, Henrik Jensen, Rois Benassi, Ferdinando Taddei, Sabrina Antonello, Armando Gennaro, and Flavio Maran pp 1750–1751 DOI: 10.1021/ja983374p Supporting Info

Hydrothermal Synthesis of Organic Channel Structures:  1:1 Hydrogen-Bonded Adducts of Melamine with Cyanuric and Trithiocyanuric Acids Anupama Ranganathan, V. R. Pedireddi, and C. N. R. Rao pp 1752–1753 DOI: 10.1021/ja983928o Supporting Info

Shape-Selective Recognition and Self-Assembly of mm-Scale Components Insung S. Choi, Ned Bowden, and George M. Whitesides pp 1754–1755 DOI: 10.1021/ja9816032 Supporting Info

Heavy Atom Isotope Effects Reveal a Highly Polarized Transition State for Chorismate Mutase Darin J. Gustin, Patrizio Mattei, Peter Kast, Olaf Wiest, Lac Lee, W. Wallace Cleland, and Donald Hilvert pp 1756–1757 DOI: 10.1021/ja9841759 Supporting Info

The First Catalytic Carbonylative [4 + 1] Cycloaddition Using a 1,3-Conjugated System. A New Transformation of α,β-Unsaturated Imines to Unsaturated γ-Lactams Catalyzed by Ru3(CO)12 Tsumoru Morimoto, Naoto Chatani, and Shinji Murai pp 1758–1759 DOI: 10.1021/ja983546i Supporting Info

Electronic Communication between Metal Centers Across Unsaturated Alkylidyne Ligands Andreas Mayr, Marie Pui Yin Yu, and Vivian Wing-Wah Yam pp 1760–1761 DOI: 10.1021/ja982324h Supporting Info

Aspartic Proteinases; Retroviral and Cellular Enzymes. Advances in Experimental Biology and Medicine 436 Edited by M. N. G. James (University of Alberta). Plenum Press:  New York. 1998. $139.50. xvii + 499 pp. ISBN 0-306-45809-8. John M. Chirgwin p 1762 DOI: 10.1021/ja9856811

The Chemistry of Organic Silicon Compounds, Vol. 2, Parts 1, 2, and 3 Edited by Z. Rappoport and Y. Apeloig. Wiley & Son, Inc.:  New York. 1998. xxiii + 2758 pp. $1650.00. ISBN 0-471-96757-2. Philip D. Magnus p 1762 DOI: 10.1021/ja985767u

Analysis of Rates of Multiple Enzymes in Cell Lysates by Electrospray Ionization Mass Spectrometry J. Am. Chem. Soc. 1999, 121, 1102−1103 Scott A. Gerber, C. Ronald Scott, Frantisek Turecek, and Michael H. Gelb p 1762 DOI: 10.1021/ja995502v

Issue 09

Biosynthesis of the Pipecolate Moiety of Marcfortine A M. S. Kuo, D. A. Yurek, S. A. Mizsak, J. I. Cialdella, L. Baczynskyj, and V. P. Marshall pp 1763–1767 DOI: 10.1021/ja983128d

Intercalative G-Tetraplex Stabilization of Telomeric DNA by a Cationic Porphyrin1 Ihtshamul Haq, John O. Trent, Babur Z. Chowdhry, and Terence C. Jenkins pp 1768–1779 DOI: 10.1021/ja981554t

How Does Alcohol Dissolve the Complex of DNA with a Cationic Surfactant? Vladimir G. Sergeyev, Sergey V. Mikhailenko, Olga A. Pyshkina, Igor V. Yaminsky, and Kenichi Yoshikawa pp 1780–1785 DOI: 10.1021/ja981683+

Functional Characterization of the jadI Gene As a Cyclase Forming Angucyclinones Kerry Kulowski, Evelyn Wendt-Pienkowski, Lei Han, Keqian Yang, Leo C. Vining, and C. Richard Hutchinson pp 1786–1794 DOI: 10.1021/ja982707f

Unusual Contact Shifts and Magnetic Tensor Orientation in Rhodobacter capsulatus Ferrocytochrome c‘:  NMR, Magnetic Susceptibility, and EPR Studies Pascale Tsan, Michael Caffrey, Max Lawson Daku, Michael Cusanovich, Dominique Marion, and Pierre Gans pp 1795–1805 DOI: 10.1021/ja9820745 Supporting Info

β-Turn and β-Hairpin Mimicry with Tetrasubstituted Alkenes Robb R. Gardner, Gui-Bai Liang, and Samuel H. Gellman pp 1806–1816 DOI: 10.1021/ja9824526 Supporting Info

Identification of a Potent Heterocyclic Ligand To Somatostatin Receptor Subtype 5 by the Synthesis and Screening of β-Turn Mimetic Libraries Andrew J. Souers, Alex A. Virgilio, Åsa Rosenquist, Wasyl Fenuik, and Jonathan A. Ellman pp 1817–1825 DOI: 10.1021/ja983742p

α-(Acyloxy)dialkylnitrosamines:  Effects of Structure on the Formation of N-Nitrosiminium Ions and a Predicted Change in Mechanism Hongliang Cai and James C. Fishbein pp 1826–1833 DOI: 10.1021/ja9833218 Supporting Info

A Highly Diastereoselective Dioxetane Formation by the Hydroxy-Directed [2+2] Cycloaddition of Singlet Oxygen to a Chiral Allylic Alcohol Waldemar Adam, Chantu R. Saha-Möller, and Simon B. Schambony pp 1834–1838 DOI: 10.1021/ja9835077

Novel Ruthenium Complex-Catalyzed Dimerization of 2,5-Norbornadiene to Pentacyclo[6.6.0.02,6.03,13.010,14]tetradeca-4,11-diene Involving Carbon−Carbon Bond Cleavage Take-aki Mitsudo, Toshiaki Suzuki, Shi-Wei Zhang, Daisuke Imai, Ken-ichi Fujita, Takao Manabe, Masashi Shiotsuki, Yoshihisa Watanabe, Kenji Wada, and Teruyuki Kondo pp 1839–1850 DOI: 10.1021/ja9835741 Supporting Info

Synthesis, Conformational Analysis, and Phase Characterization of a Versatile Self-Assembling Monoglucosyl Diacylglycerol Analog Jie Song and Rawle I. Hollingsworth pp 1851–1861 DOI: 10.1021/ja983883r

Oxidation of CuII to CuIII, Free Radical Production, and DNA Cleavage by Hydroxy-salen−Copper Complexes. Isomeric Effects Studied by ESR and Electrochemistry Eric Lamour, Sylvain Routier, Jean-Luc Bernier, Jean-Pierre Catteau, Christian Bailly, and Hervé Vezin pp 1862–1869 DOI: 10.1021/ja982221z Supporting Info

A Study of Solid [{Cu(MePY2)}2O2]2+ Using Resonance Raman and X-ray Absorption Spectroscopies:  An Intermediate Cu2O2 Core Structure or a Solid Solution? Elna Pidcock, Serena DeBeer, Honorio V. Obias, Britt Hedman, Keith O. Hodgson, Kenneth D. Karlin, and Edward I. Solomon pp 1870–1878 DOI: 10.1021/ja983444s Supporting Info

Regio- and Diastereoselective Epoxidation of Chiral Allylic Alcohols Catalyzed by Manganese(salen) and Iron(porphyrin) Complexes Waldemar Adam, Veit R. Stegmann, and Chantu R. Saha-Möller pp 1879–1882 DOI: 10.1021/ja9827503 Supporting Info

Stereoselective Diamine Chelates of a Chiral Lithium Amide Dimer:  New Insights into the Coordination Chemistry of Chiral Lithium Amides Per I. Arvidsson, Göran Hilmersson, and Per Ahlberg pp 1883–1887 DOI: 10.1021/ja9827550 Supporting Info

Synthesis and Characterization of Discrete Luminescent Erbium-Doped Silicon Nanocrystals John St. John, Jeffery L. Coffer, Yandong Chen, and Russell F. Pinizzotto pp 1888–1892 DOI: 10.1021/ja982838g

Calculations on the Electronic Structure and UV−Visible Spectrum of Oxyhemocyanin Guillermina Lucia Estiú and Michael C. Zerner pp 1893–1901 DOI: 10.1021/ja971231h

Structure and Energetics of Isomers of the Interstellar Molecule C5H T. Daniel Crawford, John F. Stanton, Jamal C. Saeh, and Henry F. Schaefer, III pp 1902–1911 DOI: 10.1021/ja982532+

Effects of Substitution of OH Group by F Atom for Conformational Preferences of Fluorine-Substituted Analogues of (R,R)-Tartaric Acid, Its Dimethyl Diester, Diamide, and N,N,N‘,N‘-Tetramethyl Diamide. Ab Initio Conformational Analysis Marcin Hoffmann, Jacek Rychlewski, and Urszula Rychlewska pp 1912–1921 DOI: 10.1021/ja982935+ Supporting Info

Electrophilicity Index Robert G. Parr, László v. Szentpály, and Shubin Liu pp 1922–1924 DOI: 10.1021/ja983494x

Probing Structural and Electronic Properties of the Oxidized [Fe4S4]3+ Cluster of Ectothiorhodospira halophila iso-II High-Potential Iron−Sulfur Protein by ENDOR Spectroscopy Reinhard Kappl, Stefano Ciurli, Claudio Luchinat, and Jürgen Hüttermann pp 1925–1935 DOI: 10.1021/ja980442z

Cubanecarboxylic Acids. Crystal Engineering Considerations and the Role of C−H···O Hydrogen Bonds in Determining O−H···O Networks Srinivasan S. Kuduva, Donald C. Craig, Ashwini Nangia, and Gautam R. Desiraju pp 1936–1944 DOI: 10.1021/ja981967u Supporting Info

Transferred Cross-Correlated Relaxation: Application to the Determination of Sugar Pucker in an Aminoacylated tRNA-Mimetic Weakly Bound to EF-Tu T. Carlomagno, I. C. Felli, M. Czech, R. Fischer, M. Sprinzl, and C. Griesinger pp 1945–1948 DOI: 10.1021/ja9835887

Transferred Cross-Correlated Relaxation Complements Transferred NOE:  Structure of an IL-4R-Derived Peptide Bound to STAT-6 Marcel J. J. Blommers, Wilhelm Stark, Carol E. Jones, Denis Head, Charles E. Owen, and Wolfgang Jahnke pp 1949–1953 DOI: 10.1021/ja9836545

Preparation of Narrowly Distributed Stable and Soluble Polyacetylene Block Copolymer Nanoparticles Chi Wu, Aizhen Niu, Louis M. Leung, and T. S. Lam pp 1954–1955 DOI: 10.1021/ja983587e

Determination of RNA Sugar Pucker Mode from Cross-Correlated Relaxation in Solution NMR Spectroscopy Isabella C. Felli, Christian Richter, Christian Griesinger, and Harald Schwalbe pp 1956–1957 DOI: 10.1021/ja983434r Supporting Info

Iterative Synthesis of Semicorrins, Tripyrrolines, and Higher Analogues Peter A. Jacobi and Hui Liu pp 1958–1959 DOI: 10.1021/ja983698d Supporting Info

Reactive Hydroxo and Hydroxycarbyne Cyclopentadienyl Complexes. Proton Transfer and Oxidative Addition of O−H Bonds at Unsaturated Ditungsten Centers M. Esther García, Víctor Riera, M. Teresa Rueda, and Miguel A. RuizSabine Halut pp 1960–1961 DOI: 10.1021/ja9818203 Supporting Info

Elucidation of “Twistomers” in Container Compounds Robert G. Chapman and John C. Sherman pp 1962–1963 DOI: 10.1021/ja983065z Supporting Info

Nonclassical, Cyclically Delocalized 4N/3e Radical Cations and 4N/2e Dications:  One- and Two-Electron Oxidation of Proximate, syn-Periplanar Bisdiazene-Oxides Kai Exner, Horst Prinzbach, Georg Gescheidt, Birgit Grossmann, and Jürgen Heinze pp 1964–1965 DOI: 10.1021/ja9837607 Supporting Info

Selective Isotope Labeling Demonstrates That Hydrogen Exchange at Individual Peptide Amide Linkages Can Be Determined by Collision-Induced Dissociation Mass Spectrometry Yuzhong Deng, Hai Pan, and David L. Smith pp 1966–1967 DOI: 10.1021/ja982814+ Supporting Info

A New Divergent Route to the Synthesis of Organophosphine and Metallodendrimers via Simple Acid−Base Hydrolytic Chemistry Maria Petrucci-Samija, Virginie Guillemette, Mohua Dasgupta, and Ashok K. Kakkar pp 1968–1969 DOI: 10.1021/ja983132p Supporting Info

Improved 67Zn Solid-State NMR from Single-Crystal Studies. Zn(CH3COO)2·2H2O Thomas Vosegaard, Ulf Andersen, and Hans J. Jakobsen pp 1970–1971 DOI: 10.1021/ja983963v

Oxygen Activation and Arene Hydroxylation by Functional Mimics of α-Keto Acid-Dependent Iron(II) Dioxygenases Eric L. Hegg, Raymond Y. N. Ho, and Lawrence Que, Jr. pp 1972–1973 DOI: 10.1021/ja983867u Supporting Info

Hydrocarbon Activation at a Cationic Platinum(II) Diimine Aqua Complex under Mild Conditions in a Hydroxylic Solvent Lars Johansson, Olav B. Ryan, and Mats Tilset pp 1974–1975 DOI: 10.1021/ja984028a Supporting Info

A Titanocene-Catalyzed Intramolecular Ene Reaction:  Cycloisomerization of Enynes and Dienynes Shana J. Sturla, Natasha M. Kablaoui, and Stephen L. Buchwald pp 1976–1977 DOI: 10.1021/ja9839567 Supporting Info

Synthesis of Passivating, Nylon-Like Coatings through Cross-Linking of Ultrathin Polyelectrolyte Films Jeremy J. Harris, Paul M. DeRose, and Merlin L. Bruening pp 1978–1979 DOI: 10.1021/ja9833467 Supporting Info

Reversible Photolabilization of NO from Chromium(III)-Coordinated Nitrite. A New Strategy for Nitric Oxide Delivery Malcolm De Leo and Peter C. Ford pp 1980–1981 DOI: 10.1021/ja983875a

DNA Cleavage by Fe(II)·Bleomycin Conjugated to a Solid Support Anil T. Abraham, Xiang Zhou, and Sidney M. Hecht pp 1982–1983 DOI: 10.1021/ja983774c Supporting Info

Selective Regulation of Gene Expression Using Rationally-Modified Retinoic Acid Receptors John T. Koh, Marc Putnam, Marjana Tomic-Canic, and Christine M. McDaniel pp 1984–1985 DOI: 10.1021/ja983988u Supporting Info

Binding Energies of Hexahydrated Alkaline Earth Metal Ions, M2+(H2O)6, M = Mg, Ca, Sr, Ba:  Evidence of Isomeric Structures for Magnesium Sandra E. Rodriguez-Cruz, Rebecca A. Jockusch, and Evan R. Williams pp 1986–1987 DOI: 10.1021/ja983232v

A Ruthenium-Catalyzed Three-Component Coupling to Form E-Vinyl Chlorides Barry M. Trost and Anthony B. Pinkerton pp 1988–1989 DOI: 10.1021/ja984264l Supporting Info

Total Synthesis of Olivomycin A William R. Roush, Richard A. Hartz, and Darin J. Gustin pp 1990–1991 DOI: 10.1021/ja984229e Supporting Info

NOESY NMR Crosspeaks between Lipid Headgroups and Hydrocarbon Chains:  Spin Diffusion or Molecular Disorder? Daniel Huster and Klaus Gawrisch pp 1992–1993 DOI: 10.1021/ja9838413 Supporting Info

C2-Symmetric Cu(II) Complexes as Chiral Lewis Acids. Catalytic Enantioselective Michael Addition of Silylketene Acetals to Alkylidene Malonates David A. Evans, Tomislav Rovis, Marisa C. Kozlowski, and Jason S. Tedrow pp 1994–1995 DOI: 10.1021/ja983864h Supporting Info

Advances in Photochemistry, Volume 23 Edited by Douglas C. Neckers (Bowling Green St. University), David H. Volman (University of California−Davis), and Gunther Von Bunau (University of Siegen). Wiley-VCH:  New York, 1997. $125.00. ix + 362 pp. ISBN 0-471-19289-9. Catherine J. Murphy p 1996 DOI: 10.1021/ja985601t

Environmental Assessment of Products. Volume 1. Methodology, Tools, and Case Studies in Product Development By Henrik Wenzel, Michael Hauschild, and Leo Alting. Kluwer Academic Publishers:  Dordrecht, The Netherlands. U.S. $150 (85 GBP). ISBN 0-412-80800-5. Michael Overcash p 1996 DOI: 10.1021/ja985768m

Issue 10

Computational Study of Tunneling and Coupled Motion in Alcohol Dehydrogenase-Catalyzed Reactions:  Implication for Measured Hydrogen and Carbon Isotope Effects Joseph Rucker and Judith P. Klinman pp 1997–2006 DOI: 10.1021/ja9824425

Effects of the Arrangement of a Distal Catalytic Residue on Regioselectivity and Reactivity in the Coupled Oxidation of Sperm Whale Myoglobin Mutants Tatsuya Murakami, Isao Morishima, Toshitaka Matsui, Shin-ichi Ozaki, Isao Hara, Hui-Jun Yang, and Yoshihito Watanabe pp 2007–2011 DOI: 10.1021/ja9834576 Supporting Info

Rules for Strand Invasion by Chemically Modified Oligonucleotides Tsutomu Ishihara and David R. Corey pp 2012–2020 DOI: 10.1021/ja983834e

Are There Metal Oxides That Prefer a [2 + 2] Addition over a [3 + 2] Addition to Olefins? Theoretical Study of the Reaction Mechanism of LReO3 Addition (L = O-, Cl, Cp) to Ethylene1 Dirk V. Deubel and Gernot Frenking pp 2021–2031 DOI: 10.1021/ja9829362

Sugar Mimics:  An Artificial Receptor for Cholera Toxin Anna Bernardi, Anna Checchia, Paola Brocca, Sandro Sonnino, and Fabio Zuccotto pp 2032–2036 DOI: 10.1021/ja983567c Supporting Info

High-Field NMR Studies of Oxidized Blue Copper Proteins:  The Case of Spinach Plastocyanin Ivano Bertini, Stefano Ciurli, Alexander Dikiy, Ralphreed Gasanov, Claudio Luchinat, Giacomo Martini, and Niaz Safarov pp 2037–2046 DOI: 10.1021/ja983833m

Purple Membrane Induced Alignment of Biological Macromolecules in the Magnetic Field Jürgen Sass, Florence Cordier, Astrid Hoffmann, Marco Rogowski, Anne Cousin, James G. Omichinski, Hartmut Löwen, and Stephan Grzesiek pp 2047–2055 DOI: 10.1021/ja983887w Supporting Info

Synthesis of the North 1 Unit of the Cephalostatin Family from Hecogenin Acetate1 Seongkon Kim, Scott C. Sutton, Chuangxing Guo, Thomas G. LaCour, and P. L. Fuchs pp 2056–2070 DOI: 10.1021/ja9817139 Supporting Info

Synthesis of the South Unit of Cephalostatin. 7. Total Syntheses of (+)-Cephalostatin 7, (+)-Cephalostatin 12, and (+)-Ritterazine K1 Jae Uk Jeong, Chuangxing Guo, and P. L. Fuchs pp 2071–2084 DOI: 10.1021/ja9817141 Supporting Info

Photo-Arbuzov Rearrangements of Dimethyl Benzyl and Dimethyl p-Acetylbenzyl Phosphite Srinivasan Ganapathy, B. B. V. Soma Sekhar, S. Matthew Cairns, K. Akutagawa, and Wesley G. Bentrude pp 2085–2096 DOI: 10.1021/ja982440k Supporting Info

Host−Guest Chemistry in a Urea Matrix:  Catalytic and Selective Oxidation of Triorganosilanes to the Corresponding Silanols by Methyltrioxorhenium and the Urea/Hydrogen Peroxide Adduct Waldemar Adam, Catherine M. Mitchell, Chantu R. Saha-Möller, and Oliver Weichold pp 2097–2103 DOI: 10.1021/ja9826542 Supporting Info

Vibronic Quantum Effects in Fluorescence and Photochemistry. Competition between Vibrational Relaxation and Photochemistry and Consequences for Photochemical Control Ralph S. Becker, Anna Paola Pelliccioli, Aldo Romani, and Gianna Favaro pp 2104–2109 DOI: 10.1021/ja982933p

Rates of 1,5-Hydrogen Abstraction in 1,1,2,2-Tetrafluoro-n-pentyl and 1,1,2,2,3,3-Hexafluoro-n-pentyl Radicals Alexander B. Shtarev, William R. Dolbier, Jr., and Bruce E. Smart pp 2110–2114 DOI: 10.1021/ja9830344 Supporting Info

Predicting Crystalline Packing Arrangements of Molecules That Form Hydrogen-Bonded Tapes Donovan N. Chin, G. Tayhas R. Palmore, and George M. Whitesides pp 2115–2122 DOI: 10.1021/ja983163k Supporting Info

A Fluorescence-Based Assay for High-Throughput Screening of Coupling Reactions. Application to Heck Chemistry Kevin H. Shaughnessy, Paul Kim, and John F. Hartwig pp 2123–2132 DOI: 10.1021/ja983419m

Characterization of Self-Assembling Encapsulation Complexes in the Gas Phase and Solution Christoph A. Schalley, Tomás Martín, Ulrike Obst, and Julius Rebek, Jr. pp 2133–2138 DOI: 10.1021/ja9836848

Solvent Effects on Methyl Transfer Reactions. 1. The Menshutkin Reaction Henry Castejon and Kenneth B. Wiberg pp 2139–2146 DOI: 10.1021/ja983736t Supporting Info

Total Synthesis of Spirotryprostatin A, Leading to the Discovery of Some Biologically Promising Analogues Scott Edmondson, Samuel J. Danishefsky, Laura Sepp-Lorenzino, and Neal Rosen pp 2147–2155 DOI: 10.1021/ja983788i

Comparisons of Phosphorothioate and Phosphate Monoester Transfer Reactions:  Activation Parameters, Solvent Effects, and the Effect of Metal Ions Irina E. Catrina and Alvan C. Hengge pp 2156–2163 DOI: 10.1021/ja983862x Supporting Info

Photoinduced Cycloaddition and Ene Reactions of 2,7-Cyclooctadienone:  Experimental and Computational Studies of a Cyclopentyl Oxyallyl Intermediate Albert R. Matlin, Paul M. Lahti, Daniel Appella, Andrei Straumanis, Susanne Lin, Hiren Patel, Kyo Jin, Keith P. Schrieber, Jonathan Pauls, and Patrick Raulerson pp 2164–2173 DOI: 10.1021/ja984128g Supporting Info

Thermodynamic and Kinetic Studies of Hydride Transfer for a Series of Molybdenum and Tungsten Hydrides Niladri Sarker and Joseph W. Bruno pp 2174–2180 DOI: 10.1021/ja982017b

Dealkylation of Coenzyme B12 and Related Organocobalamins:  Ligand Structural Effects on Rates and Mechanisms of Hydrolysis Michael P. Jensen and Jack Halpern pp 2181–2192 DOI: 10.1021/ja982340e Supporting Info

Electronic Structure of Linear Thiophenolate-Bridged Heterotrinuclear Complexes [LFeMFeL]n+ (M = Cr, Co, Fe; n = 1−3):  Localized vs Delocalized Models Thorsten Glaser, Thomas Beissel, Eckhard Bill, Thomas Weyhermüller, Volker Schünemann, Wolfram Meyer-Klaucke, Alfred X. Trautwein, and Karl Wieghardt pp 2193–2208 DOI: 10.1021/ja982898m Supporting Info

Stable Paramagnetic Half-Sandwich Mo(V) and W(V) Polyhydride Complexes. Structural, Spectroscopic, Electrochemical, Theoretical, and Decomposition Mechanism Studies of [Cp*MH3(dppe)]+ (M = Mo, W) Brett Pleune, Dolores Morales, Rita Meunier-Prest, Philippe Richard, Edmond Collange, James C. Fettinger, and Rinaldo Poli pp 2209–2225 DOI: 10.1021/ja9834881 Supporting Info

Complexes with FeIII2(μ-O)(μ-OH), FeIII2(μ-O)2, and [FeIII3(μ2-O)3] Cores:  Structures, Spectroscopy, and Core Interconversions Hui Zheng, Yan Zang, Yanhong Dong, Victor G. Young, Jr., and Lawrence Que, Jr. pp 2226–2235 DOI: 10.1021/ja983615t Supporting Info

Mechanistic Changes in the Conversion of Ethylene to Ethylidyne on Transition Metals Induced by Changes in Surface Coverages Francisco Zaera and Christopher R. French pp 2236–2243 DOI: 10.1021/ja981712g

Calculation of the Ramachandran Potential of Mean Force for a Disaccharide in Aqueous Solution Kevin J. Naidoo and J. W. Brady pp 2244–2252 DOI: 10.1021/ja9821596

Quantum Mechanical Dynamical Effects in an Enzyme-Catalyzed Proton Transfer Reaction Cristóbal Alhambra, Jiali Gao, José C. Corchado, Jordi Villà, and Donald G. Truhlar pp 2253–2258 DOI: 10.1021/ja9831655

Interactions of Phenol and Indole with Metal Ions in the Gas Phase:  Models For Tyr and Trp Side-Chain Binding Victor Ryzhov and Robert C. Dunbar pp 2259–2268 DOI: 10.1021/ja983272z

The Chemistry of 2-Carbenabicyclo[3.2.1]octadiene:  An Ab-Initio Molecular Orbital Study Peter K. Freeman and James K. Pugh pp 2269–2273 DOI: 10.1021/ja9834428

CIDNP Investigation of Radical Decay Pathways in the Sensitized Photolysis of Triphenylsulfonium Salts Gerd Eckert and Martin Goez pp 2274–2280 DOI: 10.1021/ja9835279

Picosecond Dynamics of Energy Transfer in Porphyrin−Sapphyrin Noncovalent Assemblies Stacy L. Springs, David Gosztola, Michael R. Wasielewski, Vladimír Král, Andrei Andrievsky, and Jonathan L. Sessler pp 2281–2289 DOI: 10.1021/ja9835436

Solvent Dynamics and Mechanism of Proton Transfer in Human Carbonic Anhydrase II Samuel Toba, Giorgio Colombo, and Kenneth M. Merz, Jr. pp 2290–2302 DOI: 10.1021/ja983579y

Strong Decrease of the Benzene−Ammonium Ion Interaction upon Complexation with a Carboxylate Anion Per-Ola Norrby and Tommy Liljefors pp 2303–2306 DOI: 10.1021/ja984076v Supporting Info

A Methyl Group Bridging on Three Metal Atoms. Solid-State and Solution Structural Characterization of the [Re3(μ-H)3(μ3-CH3)(CO)9]- Anion T. Beringhelli, G. D'Alfonso, M. Panigati, and F. PortaP. Mercandelli, M. Moret, and A. Sironi pp 2307–2308 DOI: 10.1021/ja983379m Supporting Info

Formation of Short, Stable Helices in Aqueous Solution by β-Amino Acid Hexamers Daniel H. Appella, Joseph J. Barchi, Jr., Stewart R. Durell, and Samuel H. Gellman pp 2309–2310 DOI: 10.1021/ja983918n Supporting Info

Model-Dependent Artifacts in Long-Range Structure Determination Using Orientational Restraints Derived from NMR Relaxation Jean-Christophe Hus, Dominique Marion, and Martin Blackledge pp 2311–2312 DOI: 10.1021/ja983265a Supporting Info

Proton-Transfer Polymerization:  A New Approach to Hyperbranched Polymers Han-Ting Chang and Jean M. J. Fréchet pp 2313–2314 DOI: 10.1021/ja983797r

Regiospecific Glycosidation of Unprotected Sugars via Arylboronic Activation Kenji Oshima and Yasuhiro Aoyama pp 2315–2316 DOI: 10.1021/ja982395g Supporting Info

Structural Consequences of the Use of Hard and Soft Tripodal Ligands during Metathesis Reactions:  Synthesis of the [Bis(hydrotris(methimazolyl)borato]bismuth(III) [Bis(hydrotris(pyrazolyl)borato]sodiate John Reglinski, Mark D. Spicer, Mark Garner, and Alan R. Kennedy pp 2317–2318 DOI: 10.1021/ja983637f Supporting Info

Benzo-15-crown-5 Fluoroionophore/γ-Cyclodextrin Complex with Remarkably High Potassium Ion Sensitivity and Selectivity in Water Akiyo Yamauchi, Takashi Hayashita, Seiichi Nishizawa, Masatoshi Watanabe, and Norio Teramae pp 2319–2320 DOI: 10.1021/ja984164f Supporting Info

Charge Fluctuation in MMX Chain Compounds, A4[Pt2(pop)4I]·nH2O M. Yamashita, S. Miya, T. Kawashima, T. Manabe, T. Sonoyama, H. Kitagawa, T. Mitani, H. Okamoto, and R. Ikeda pp 2321–2322 DOI: 10.1021/ja983722n

Minor Groove Interactions between Polymerase and DNA:  More Essential to Replication than Watson−Crick Hydrogen Bonds? Juan C. Morales and Eric T. Kool pp 2323–2324 DOI: 10.1021/ja983502+ Supporting Info

Photoresponsive Molecular Switch to Control Chemical Fixation of CO2 Hiroshi Sugimoto, Takayuki Kimura, and Shohei Inoue pp 2325–2326 DOI: 10.1021/ja983960i

Dynamics of Functional Water in the Active Site of Native Carbonic Anhydrase from 17O Magnetic Relaxation Dispersion Vladimir P. Denisov, Bengt-Harald Jonsson, and Bertil Halle pp 2327–2328 DOI: 10.1021/ja983930f

Reactions of Transition-Metal Metallocenes with Stable Carbenes Colin D. Abernethy, Jason A. C. Clyburne, Alan H. Cowley, and Richard A. Jones pp 2329–2330 DOI: 10.1021/ja983772s Supporting Info

A Relaxation-Compensated Carr−Purcell−Meiboom−Gill Sequence for Characterizing Chemical Exchange by NMR Spectroscopy J. Patrick Loria, Mark Rance, and Arthur G. Palmer III pp 2331–2332 DOI: 10.1021/ja983961a Supporting Info

Rapid Two-Dimensional Inverse Detected Heteronuclear Correlation Experiments with <100 nmol Samples with Solenoidal Microcoil NMR Probes Raju Subramanian, Jonathan V. Sweedler, and Andrew G. Webb pp 2333–2334 DOI: 10.1021/ja984270h

The Electron Localization Function (ELF) Description of the PO Bond in Phosphine Oxide D. B. ChesnutA. Savin pp 2335–2336 DOI: 10.1021/ja984314m

Improving the Packing and Accuracy of NMR Structures with a Pseudopotential for the Radius of Gyration John Kuszewski, Angela M. Gronenborn, and G. Marius Clore pp 2337–2338 DOI: 10.1021/ja9843730 Supporting Info

Sampling for Analytical Purposes By Pierre Gy (Paris School of Physics and Chemistry). Wiley:  West Sussex, UK. 1998. Xiv + 153 pp. $86.95. ISBN 0-471-97956-2. Eric D. Conte p 2339 DOI: 10.1021/ja985747s

Kirk−Othmer Encyclopedia of Chemical Technology, Fourth Edition, 27-Volume Set Wiley Interscience: New York, 1992−1998. $7884. ISBN 0-471-52704-1. David Flaxbart p 2339 DOI: 10.1021/ja9857662

Reviews in Computational Chemistry. Volume 12 Edited by Kenny B. Lipkowitz and Donald B. Boyd. Wiley-VCH:  New York. 1998. v + 404 pp. $135.00. ISBN 0-471-24671-9. Regina R. Monaco pp 2339–2340 DOI: 10.1021/ja985738j

Fractals in Molecular Biophysics By T. Gregory Dewey (University of Denver). Oxford University Press:  Oxford, New York. 1997. xii + 276 pp. $65.00. ISBN 0-19-508447-0. Harold H. Harris p 2340 DOI: 10.1021/ja985696z

Issue 11

Rubredoxin Variant Folds without Iron Pavel Strop and Stephen L. Mayo pp 2341–2345 DOI: 10.1021/ja9834780

The Crystal Structure of an Azide Complex of the Diferrous R2 Subunit of Ribonucleotide Reductase Displays a Novel Carboxylate Shift with Important Mechanistic Implications for Diiron-Catalyzed Oxygen Activation Martin E. Andersson, Martin Högbom, Agnes Rinaldo-Matthis, K. Kristoffer Andersson, Britt-Marie Sjöberg, and Pär Nordlund pp 2346–2352 DOI: 10.1021/ja982280c

Investigation of the Electronic Structure of 2Fe−2S Model Complexes and the Rieske Protein Using Ligand K-Edge X-ray Absorption Spectroscopy Kendra Rose, Susan E. Shadle, Thorsten Glaser, Simon de Vries, Alexej Cherepanov, Gerard W. Canters, Britt Hedman, Keith O. Hodgson, and Edward I. Solomon pp 2353–2363 DOI: 10.1021/ja983455l

How Do Benzylic Amide [2]Catenane Rings Rotate? Michael S. Deleuze, David A. Leigh, and Francesco Zerbetto pp 2364–2379 DOI: 10.1021/ja9815273

Photochromism of 1,2-Bis(2,5-dimethyl-3-thienyl)perfluoro- cyclopentene in a Single Crystalline Phase Seiya Kobatake, Taro Yamada, Kingo Uchida, Nobuo Kato, and Masahiro Irie pp 2380–2386 DOI: 10.1021/ja983717j Supporting Info

Alcohol Denaturation:  Thermodynamic Theory of Peptide Unit Solvation Seishi Shimizu and Kentaro Shimizu pp 2387–2394 DOI: 10.1021/ja982560s

Multiple-Antigenic Peptides of Histidine-Rich Protein II of Plasmodium falciparum:  Dendrimeric Biomineralization Templates James Ziegler, Richard T. Chang, and David W. Wright pp 2395–2400 DOI: 10.1021/ja983220+ Supporting Info

Activation and Diffusion in the Kinetics of Adsorption and Molecular Recognition on Surfaces. Enzyme-Amplified Electrochemical Approach to Biorecognition Dynamics Illustrated by the Binding of Antibodies to Immobilized Antigens Christian Bourdillon, Christophe Demaille, Jacques Moiroux, and Jean-Michel Savéant pp 2401–2408 DOI: 10.1021/ja983969k

Structural Study on O-Glycopeptides:  Glycosylation-Induced Conformational Changes of O-GlcNAc, O-LacNAc, O-Sialyl-LacNAc, and O-Sialyl-Lewis-X Peptides of the Mucin Domain of MAdCAM-1 Wen-guey Wu, Laura Pasternack, Dee-Hua Huang, Kathryn M. Koeller, Chun-Cheng Lin, Oliver Seitz, and Chi-Huey Wong pp 2409–2417 DOI: 10.1021/ja983474v

Comparison of the Electrophilicities of the Free and the (Tricarbonyl)iron-Coordinated Tropylium Ion Herbert Mayr, Karl-Heinz Müller, Armin R. Ofial, and Michael Bühl pp 2418–2424 DOI: 10.1021/ja982072k Supporting Info

Pseudotheonamides, Serine Protease Inhibitors from the Marine Sponge Theonella swinhoei1 Yoichi Nakao, Akito Masuda, Shigeki Matsunaga, and Nobuhiro Fusetani pp 2425–2431 DOI: 10.1021/ja9831195 Supporting Info

Atomic Nitrogen Encapsulated in Fullerenes:  Effects of Cage Variations Elke Dietel, Andreas Hirsch, Björn Pietzak, Markus Waiblinger, Klaus Lips, Alois Weidinger, Andrea Gruss, and Klaus-Peter Dinse pp 2432–2437 DOI: 10.1021/ja983812s

Hydroxyl Radical Formation during Peroxynitrous Acid Decomposition John W. Coddington, James K. Hurst, and Sergei V. Lymar pp 2438–2443 DOI: 10.1021/ja982887t Supporting Info

Viscosity Effects on the Reaction of Peroxynitrite with CO2:  Evidence for Radical Formation in a Solvent Cage Sara Goldstein and Gidon Czapski pp 2444–2447 DOI: 10.1021/ja9822254

Amide Proton Exchange in Micelles Charles L. Perrin, Jung-Hui Chen, and Brian K. Ohta pp 2448–2455 DOI: 10.1021/ja983458y

Concerted Conjugate Addition of Nucleophiles to Alkenoates. Part I:  Mechanism of N-Alkylhydroxylamine Additions Deqiang Niu and Kang Zhao pp 2456–2459 DOI: 10.1021/ja982762o Supporting Info

Asymmetric Memory at Labile, Stereogenic Boron:  Enolate Alkylation of Oxazaborolidinones E. Vedejs, S. C. Fields, R. Hayashi, S. R. Hitchcock, D. R. Powell, and M. R. Schrimpf pp 2460–2470 DOI: 10.1021/ja983555r Supporting Info

Total Synthesis of Phomazarin Dale L. Boger, Jiyong Hong, Masataka Hikota, and Michio Ishida pp 2471–2477 DOI: 10.1021/ja983631q Supporting Info

Mechanistic Studies of the Formation of Zirconium Alkylidene Complexes [η5-C5H3-1,3-(SiMe2CH2PPri2)2]ZrCHR(Cl) (R = Ph, SiMe3) Michael D. Fryzuk, Paul B. Duval, Shane S. S. H. Mao, Michael J. Zaworotko, and Leonard R. MacGillivray pp 2478–2487 DOI: 10.1021/ja982969h Supporting Info

Models for the Initial Stages of Oxidative Addition. Synthesis, Characterization, and Mechanistic Investigation of η1-I2 Organometallic “Pincer” Complexes of Platinum. X-ray Crystal Structures of [PtI(C6H3{CH2NMe2}2-2,6)(η1-I2)] and exo-meso-[Pt(η1-I3)(η1-I2)(C6H3{CH2N(t-Bu)Me}2-2,6)] Robert A. Gossage, Alexander D. Ryabov, Anthony L. Spek, Derk J. Stufkens, Johannus A. M. van Beek, Rudi van Eldik, and Gerard van Koten pp 2488–2497 DOI: 10.1021/ja982095z Supporting Info

Thermal Phase Evolution of Pt−Si Intermetallic Thin Films Prepared by the Activated Adsorption of SiH4 on Pt(100) and Comparison to Known Structural Models Joseph C. Bondos, Nicole E. Drummer, Andrew A. Gewirth, and Ralph G. Nuzzo pp 2498–2507 DOI: 10.1021/ja9828511

Intrinsic Structure−Reactivity Relationships in Gas-Phase Transacylation Reactions:  Identity Exchange of Substituted Benzoyl Chlorides with Chloride Ion Meili Zhong and John I. Brauman pp 2508–2515 DOI: 10.1021/ja973151j

Energy Transfer in Molecular Dyads Comprising Metalloporphyrin and Ruthenium(II) Tris(2,2‘-bipyridyl) Terminals. Competition between Internal Conversion and Energy Transfer in the Upper Excited Singlet State of the Porphyrin Anthony Harriman, Muriel Hissler, Olivier Trompette, and Raymond Ziessel pp 2516–2525 DOI: 10.1021/ja982300a Supporting Info

Multichromophoric Cyclodextrins. 6. Investigation of Excitation Energy Hopping by Monte-Carlo Simulations and Time-Resolved Fluorescence Anisotropy Mário N. Berberan-Santos, Patricia Choppinet, Aleksandre Fedorov, Ludovic Jullien, and Bernard Valeur pp 2526–2533 DOI: 10.1021/ja983601n

Mössbauer and Integer-Spin EPR Studies and Spin-Coupling Analysis of the [4Fe-4S]0 Cluster of the Fe Protein from Azotobacter vinelandii Nitrogenase Sun Jae Yoo, Hayley C. Angove, Barbara K. Burgess, Michael P. Hendrich, and Eckard Münck pp 2534–2545 DOI: 10.1021/ja9837405

Stable-Isotope-Assisted NMR Studies on 13C-Enriched Sialyl Lewisx in Solution and Bound to E-Selectin Richard Harris, Graham R. Kiddle, Robert A. Field, Mark J. Milton, Beat Ernst, John L. Magnani, and Steve W. Homans pp 2546–2551 DOI: 10.1021/ja983423y

Intermolecular Self-Interactions of the Titanium Tetrahalides TiX4 (X = F, Cl, Br) Simon P. Webb and Mark S. Gordon pp 2552–2560 DOI: 10.1021/ja983339i Supporting Info

Electron Energy Dependence of Regioselective Chloride Ion Loss from Polychlorodibenzo-p-dioxins. Relationship between Resonance Electron Energies and Virtual Orbital Energies V. D. Berkout, P. Mazurkiewicz, and M. L. Deinzer pp 2561–2570 DOI: 10.1021/ja981639u

TROSY Triple-Resonance Four-Dimensional NMR Spectroscopy of a 46 ns Tumbling Protein Daiwen Yang and Lewis E. Kay pp 2571–2575 DOI: 10.1021/ja984056t Supporting Info

ZEKE Spectroscopy of the Organometallic Radicals MgCH3 and ZnCH3:  Construction of a High-Resolution “Experimental” Molecular Orbital Diagram Timothy A. Barckholtz, David E. Powers, Terry A. Miller, and Bruce E. Bursten pp 2576–2584 DOI: 10.1021/ja9832461 Supporting Info

Experimental Charge Densities and Intermolecular Interactions:  Electrostatic and Topological Analysis of dl-Histidine Philip Coppens, Yuriy Abramov, Michael Carducci, Boris Korjov, Irina Novozhilova, Cristobal Alhambra, and Mark R. Pressprich pp 2585–2593 DOI: 10.1021/ja983320f Supporting Info

Theory of Electroabsorption Spectroscopy in Pyrazine-Bridged Ru Dimers Alessandro Ferretti, Alessandro Lami, Leonel F. Murga, Ihsan A. Shehadi, Mary Jo Ondrechen, and Giovanni Villani pp 2594–2596 DOI: 10.1021/ja9814218

Direct Synthesis of an Iridabenzene from a Nucleophilic 3-Vinyl-1-cyclopropene Robert D. Gilbertson, Timothy J. R. Weakley, and Michael M. Haley pp 2597–2598 DOI: 10.1021/ja984420o Supporting Info

Novel Nanoporous Coordination Polymer Sustained by Self-Assembly of T-Shaped Moieties Holly Gudbjartson, Kumar Biradha, Karen M. Poirier, and Michael J. Zaworotko pp 2599–2600 DOI: 10.1021/ja982577a Supporting Info

Pi-Switches:  Synthesis of Three-Way Molecular Switches Based on the Dimethyldihydropyrene−Metacyclophanediene Valence Isomerization Reginald H. Mitchell, Timothy R. Ward, Yunxia Wang, and Peter W. Dibble pp 2601–2602 DOI: 10.1021/ja983848k

Cyclooligomerization of Thiazole-Containing Tetrapeptides. Symmetrical Macrocycles with up to 76 Amino Acids Nikolai Sokolenko, Giovanni Abbenante, Martin J. Scanlon, Alun Jones, Lawrence R. Gahan, Graeme R. Hanson, and David P. Fairlie pp 2603–2604 DOI: 10.1021/ja983354n Supporting Info

Quantum-Chemical Study of a Water-Mediated Uracil−Cytosine Base Pair Maria Brandl, Michael Meyer, and Jürgen Sühnel pp 2605–2606 DOI: 10.1021/ja9829923

Determination of the Rate of Monomer Interchange in a Ligand-Bound Homodimeric Protein from NOESY Cross Peaks:  Application to the HIV Protease/KNI-529 Complex Etsuko Katoh, Toshimasa Yamazaki, Yoshiaki Kiso, Paul T. Wingfield, Stephen J. Stahl, Joshua D. Kaufman, and Dennis A. Torchia pp 2607–2608 DOI: 10.1021/ja984041v

A Novel Stepwise Degradation of Porphyrins. Synthesis and Structural Characterization of meso-Tetraphenylchlorophinato Nickel(II) and meso-Tetraphenylsecochlorinato Nickel(II) Christian Brückner, Ethan D. Sternberg, Jill K. MacAlpine, Steven J. Rettig, and David Dolphin pp 2609–2610 DOI: 10.1021/ja981417w Supporting Info

Mechanism of the 2-Deoxygenation Step in the Biosynthesis of the Deoxyhexose Moieties of the Antibiotics Granaticin and Oleandomycin Gerald Draeger, Sung-Hae Park, and Heinz G. Floss pp 2611–2612 DOI: 10.1021/ja9837250

Selective Coupling of Methylene Units in a Rh/Os Complex To Give Either C3 or C4 Fragments Steven J. Trepanier, Brian T. Sterenberg, Robert McDonald, and Martin Cowie pp 2613–2614 DOI: 10.1021/ja983626m Supporting Info

Unequivocal Evidence for a Liquid−Gas Phase Transition in Monolayers of Decanol Adsorbed at the Air/Water Interface Brian D. Casson and Colin D. Bain pp 2615–2616 DOI: 10.1021/ja983675z

Asymmetric Diels−Alder Reactions of 2-Azadienes Catalyzed by a Chiral Copper(II) Complex. A General Route to Enantiomerically Pure Piperidones E. Jnoff and L. Ghosez pp 2617–2618 DOI: 10.1021/ja984168k Supporting Info

Electrophilic Substitution of Gaseous Borazine Barbara Chiavarino, Maria Elisa Crestoni, and Simonetta Fornarini pp 2619–2620 DOI: 10.1021/ja983799b

Lateral Protonation of a Glycosidase Inhibitor. Structure of the Bacillus agaradhaerens Cel5A in Complex with a Cellobiose-Derived Imidazole at 0.97 Å Resolution Annabelle Varrot, Martin Schülein, Muriel Pipelier, Andrea Vasella, and Gideon J. Davies pp 2621–2622 DOI: 10.1021/ja984238n

Theory Predicts Triplet Ground-State Organic Silylenes Max C. HolthausenWolfram KochYitzhak Apeloig pp 2623–2624 DOI: 10.1021/ja9834935

Observation of Ligand-Based Redox Chemistry at the Active Site of a Molybdenum Enzyme Graham N. George, Cristina Costa, José J. G. Moura, and Isabel Moura pp 2625–2626 DOI: 10.1021/ja9841761

The Gas-Phase Reactions of Dianions with Alkyl Bromides:  Direct Identification of SN2 and E2 Products Adeliza E. Flores and Scott Gronert pp 2627–2628 DOI: 10.1021/ja983922z

Using Surface Plasmon Resonance to Study the Binding of Vancomycin and Its Dimer to Self-Assembled Monolayers Presenting d-Ala-d-Ala Jianghong Rao, Lin Yan, Bing Xu, and George M. Whitesides pp 2629–2630 DOI: 10.1021/ja9838763

Synthesizing and Dispersing Silver Nanoparticles in a Water-in-Supercritical Carbon Dioxide Microemulsion Min Ji, Xiaoyuan Chen, Chien M. Wai, and John L. Fulton pp 2631–2632 DOI: 10.1021/ja9840403

Superacidity and Superelectrophilicity of BF3−Carbonyl Complexes Jianhua Ren, Christopher J. Cramer, and Robert R. Squires pp 2633–2634 DOI: 10.1021/ja9840899

An SHG Magic Angle:  Dependence of Second Harmonic Generation Orientation Measurements on the Width of the Orientation Distribution Garth J. Simpson and Kathy L. Rowlen pp 2635–2636 DOI: 10.1021/ja983683f Supporting Info

Enantioselective Addition of Alcohols to Ketenes Catalyzed by a Planar-Chiral Azaferrocene:  Catalytic Asymmetric Synthesis of Arylpropionic Acids Brian L. Hodous, J. Craig Ruble, and Gregory C. Fu pp 2637–2638 DOI: 10.1021/ja984021t Supporting Info

An Amphiphilic Folding Molecule That Undergoes an Irreversible Conformational Change John Q. Nguyen and Brent L. Iverson pp 2639–2640 DOI: 10.1021/ja9838920

A New Bifunctional Asymmetric Catalysis:  An Efficient Catalytic Asymmetric Cyanosilylation of Aldehydes Yoshitaka Hamashima, Daisuke Sawada, Motomu Kanai, and Masakatsu Shibasaki pp 2641–2642 DOI: 10.1021/ja983895c Supporting Info

Helical Bias in Solvophobically Folded Oligo(Phenylene Ethynylene)s Mary S. Gin, Tsutomu Yokozawa, Ryan B. Prince, and Jeffrey S. Moore pp 2643–2644 DOI: 10.1021/ja984017h Supporting Info

Palladium(II)-Catalyzed Oxidative Ring Cleavage of tert-Cyclobutanols under Oxygen Atmosphere Takahiro Nishimura, Kouichi Ohe, and Sakae Uemura pp 2645–2646 DOI: 10.1021/ja984259h Supporting Info

S-(−)-Dinitrobiphenic Acid:  A Selective Inhibitor of Escherichia coli Chorismate Mutase Based on Prephenate Mimicry Arifa Husain, Christophe C. Galopin, Sheng Zhang, Georg Pohnert, and Bruce Ganem pp 2647–2648 DOI: 10.1021/ja984334o Supporting Info

Contrasting Hydration Changes for Ethidium and Daunomycin Binding to DNA Xiaogang Qu and Jonathan B. Chaires pp 2649–2650 DOI: 10.1021/ja984366b

Diastereoselective Addition of Prochiral Metallo Enolates to Chiral 1-Acylpyridinium Salts Daniel L. Comins, Jeffrey T. Kuethe, Hao Hong, and Frederick J. LaknerThomas E. Concolino and Arnold L. Rheingold pp 2651–2652 DOI: 10.1021/ja990024+ Supporting Info

Issue 12

Nonenzymatic Synthesis of RNA and DNA Oligomers on Hexitol Nucleic Acid Templates:  The Importance of the A Structure Igor A. Kozlov, Panagiotis K. Politis, Arthur Van Aerschot, Roger Busson, Piet Herdewijn, and Leslie E. Orgel pp 2653–2656 DOI: 10.1021/ja983958r

Detection of Chiral Disorder in Langmuir Monolayers Undergoing Spontaneous Chiral Segregation Ivan Kuzmenko, Kristian Kjaer, Jens Als-Nielsen, Meir Lahav, and Leslie Leiserowitz pp 2657–2661 DOI: 10.1021/ja982123d Supporting Info

A Broadly Applicable Method for the Efficient Synthesis of α-O-Linked Glycopeptides and Clustered Sialic Acid Residues Jacob B. Schwarz, Scott D. Kuduk, Xiao-Tao Chen, Dalibor Sames, Peter W. Glunz, and Samuel J. Danishefsky pp 2662–2673 DOI: 10.1021/ja9833265 Supporting Info

Olefin Metathesis-Active Ruthenium Complexes Bearing a Nucleophilic Carbene Ligand Jinkun Huang, Edwin D. Stevens, Steven P. Nolan, and Jeffrey L. Petersen pp 2674–2678 DOI: 10.1021/ja9831352 Supporting Info

Structural Mimicry of Canonical Conformations in Antibody Hypervariable Loops Using Cyclic Peptides Containing a Heterochiral Diproline Template Michel Favre, Kerstin Moehle, Luyong Jiang, Bernhard Pfeiffer, and John A. Robinson pp 2679–2685 DOI: 10.1021/ja984016p Supporting Info

Molecular Recognition of PNA-Containing Hybrids:  Spontaneous Assembly of Helical Cyanine Dye Aggregates on PNA Templates Jeffrey O. Smith, Darren A. Olson, and Bruce A. Armitage pp 2686–2695 DOI: 10.1021/ja9837553 Supporting Info

Transition Metal Catalysis in Fluorous Media:  Practical Application of a New Immobilization Principle to Rhodium-Catalyzed Hydroborations of Alkenes and Alkynes Jerrick J. J. Juliette, Drew Rutherford, István T. Horváth, and J. A. Gladysz pp 2696–2704 DOI: 10.1021/ja982955b Supporting Info

Alkali Metal-Templated Assembly of Cyanometalate “Boxes” (NEt4)3{M[Cp*Rh(CN)3]4[Mo(CO)3]4} (M = K, Cs). Selective Binding of Cs+ Kevin K. Klausmeyer, Scott R. Wilson, and Thomas B. Rauchfuss pp 2705–2711 DOI: 10.1021/ja982347w Supporting Info

Thermal Unfolding of Unsolvated Cytochrome c:  Experiment and Molecular Dynamics Simulations Yi Mao, Jürgen Woenckhaus, Jiri Kolafa, Mark A. Ratner, and Martin F. Jarrold pp 2712–2721 DOI: 10.1021/ja980324b Supporting Info

Selective Cyclotrimerization of Enones and Alkynes by a Nickel and Aluminum Catalytic System Naoyoshi Mori, Shin-ichi Ikeda, and Yoshiro Sato pp 2722–2727 DOI: 10.1021/ja983348r

Multiple pH-Induced Morphological Changes in Aggregates of Polystyrene-block-poly(4-vinylpyridine) in DMF/H2O Mixtures Hongwei Shen, Lifeng Zhang, and Adi Eisenberg pp 2728–2740 DOI: 10.1021/ja983712m

Self-Assembly of Porphyrin Arrays via Coordination to Transition Metal Bisphosphine Complexes and the Unique Spectral Properties of the Product Metallacyclic Ensembles Jun Fan, Jeffery A. Whiteford, Bogdan Olenyuk, Michael D. Levin, Peter J. Stang, and Everly B. Fleischer pp 2741–2752 DOI: 10.1021/ja9839825

2-Aroylbenzoyl Serine Proteases:  Photoreversible Inhibition or Photoaffinity Labeling? Paul B. Jones and Ned A. Porter pp 2753–2761 DOI: 10.1021/ja9842518 Supporting Info

Total Syntheses of (−)-Herbertenediol, (−)-Mastigophorene A, and (−)-Mastigophorene B. Combined Utility of Chiral Bicyclic Lactams and Chiral Aryl Oxazolines Andrew P. Degnan and A. I. Meyers pp 2762–2769 DOI: 10.1021/ja984182x Supporting Info

Circular Dichroism and Magnetic Circular Dichroism Studies of the Reduced Binuclear Non-Heme Iron Site of Stearoyl-ACP Δ9-Desaturase:  Substrate Binding and Comparison to Ribonucleotide Reductase Yi-Shan Yang, John A. Broadwater, Sabine Coates Pulver, Brian G. Fox, and Edward I. Solomon, pp 2770–2783 DOI: 10.1021/ja9822714 Supporting Info

Genesis, Redox, and Acid−Base Relationships among WC, WC, and WC Functionalities over an Oxo Surface Modeled by Calix[4]arene Luca Giannini, Euro Solari, Silvia Dovesi, Carlo Floriani, Nazzareno Re, Angiola Chiesi-Villa, and Corrado Rizzoli pp 2784–2796 DOI: 10.1021/ja9839015 Supporting Info

Olefin Rearrangements Assisted by a Molecular Metal−Oxo Surface:  The Chemistry of Calix[4]arene Tungsten(IV) Luca Giannini, Geoffroy Guillemot, Euro Solari, Carlo Floriani, Nazzareno Re, Angiola Chiesi-Villa, and Corrado Rizzoli pp 2797–2807 DOI: 10.1021/ja983902x Supporting Info

Tunable Molecular Distortion in a Nickel Complex Coupled to a Reversible Phase Transition in the Crystalline State Larry R. Falvello, Michael A. Hitchman, Fernando Palacio, Isabel Pascual, Arthur J. Schultz, Horst Stratemeier, Milagros Tomás, Esteban P. Urriolabeitia, and Dianna M. Young pp 2808–2819 DOI: 10.1021/ja983247t Supporting Info

Direct Experimental Observation of the Stereochemistry of the First Propene Insertion Step at an Active Homogeneous Single-Component Metallocene Ziegler Catalyst Marc Dahlmann, Gerhard Erker, Maija Nissinen, and Roland Fröhlich pp 2820–2828 DOI: 10.1021/ja983595v Supporting Info

Tetradehydrobenzenes:  Singlet−Triplet Energy Separations and Vibrational Frequencies Holger F. Bettinger, Paul v. R. Schleyer, and Henry F. Schaefer, III pp 2829–2835 DOI: 10.1021/ja981681p Supporting Info

Molecular Structure in Solution:  An ab Initio Vibrational Spectroscopy Study of Phenyloxirane C. S. Ashvar, F. J. Devlin, and P. J. Stephens pp 2836–2849 DOI: 10.1021/ja983302y

Density Functional Theory/Finite Perturbation Theory Calculations of Nuclear Spin−Spin Coupling Constants for Polyhedral Carboranes and Boron Hydrides Thomas Onak, Jojo Jaballas, and Michael Barfield pp 2850–2856 DOI: 10.1021/ja9841097

Electron Capture Dissociation of Gaseous Multiply-Charged Proteins Is Favored at Disulfide Bonds and Other Sites of High Hydrogen Atom Affinity Roman A. Zubarev, Nathan A. Kruger, Einar K. Fridriksson, Mark A. Lewis, David M. Horn, Barry K. Carpenter, and Fred W. McLafferty pp 2857–2862 DOI: 10.1021/ja981948k

Reversible Interconversion between Singlet and Triplet 2-Naphthyl(carbomethoxy)carbene Zhendong Zhu, Thomas Bally, Louise L. Stracener, and Robert J. McMahon pp 2863–2874 DOI: 10.1021/ja983277w Supporting Info

Time-Resolved IR Studies of 2-Naphthyl(carbomethoxy)carbene:  Reactivity and Direct Experimental Estimate of the Singlet/Triplet Energy Gap Yuhong Wang, Tetsuro Yuzawa, Hiro-o Hamaguchi, and John P. Toscano pp 2875–2882 DOI: 10.1021/ja983278o

A Laser Flash Photolysis Study of 2-Naphthyl(carbomethoxy)carbene Jen-Lung Wang, Igor Likhotvorik, and Matthew S. Platz pp 2883–2890 DOI: 10.1021/ja983279g

Comparison of 2H and 13C NMR Relaxation Techniques for the Study of Protein Methyl Group Dynamics in Solution Andrew L. Lee, Peter F. Flynn, and A. Joshua Wand pp 2891–2902 DOI: 10.1021/ja983758f Supporting Info

Iron-57 Nuclear Shieldings as a Quantitative Tool for Estimating Porphyrin Ruffling in Hexacoordinated Carbonmonoxy Heme Model Compounds in Solution Charalampos G. Kalodimos, Ioannis P. Gerothanassis, Eric Rose, Geoffrey E. Hawkes, and Roberta Pierattelli pp 2903–2908 DOI: 10.1021/ja983889g

Covalently Linked Scaffold of Cobalt Corrins on Graphite for Electrochemical Catalysis in Microemulsions De-Ling Zhou, Christopher K. Njue, and James F. Rusling pp 2909–2914 DOI: 10.1021/ja984178l Supporting Info

Organic Reactions in Zeolites. 1. Photooxidations of Sulfides in Methylene Blue Doped Zeolite Y Wenhui Zhou and Edward L. Clennan pp 2915–2916 DOI: 10.1021/ja984267y Supporting Info

Highly Efficient Through-Bond-Mediated Electronic Excitation Energy Transfer Taking Place over 12 Å Nigel Lokan, Michael N. Paddon-Row, Trevor A. Smith, Marco La Rosa, Kenneth P. Ghiggino, and Shammai Speiser pp 2917–2918 DOI: 10.1021/ja984036r Supporting Info

In the Footsteps of Pasteur:  Asymmetric Induction in the Solid-State Photochemistry of Ammonium Carboxylate Salts Eugene Cheung, Matthew R. Netherton, John R. Scheffer, and James Trotter pp 2919–2920 DOI: 10.1021/ja9834327

Designing a Novel Molecular Beacon for Surface-Immobilized DNA Hybridization Studies Xiaohong Fang, Xiaojing Liu, Sheldon Schuster, and Weihong Tan pp 2921–2922 DOI: 10.1021/ja9837809

Unusual Kinetic Stability of a Ground-State Singlet Oxomanganese(V) Porphyrin. Evidence for a Spin State Crossing Effect Ning Jin and John T. Groves pp 2923–2924 DOI: 10.1021/ja984429q Supporting Info

Retention Stereochemistry of Thermal 1,3-Silyl Migration in Allylsilanes Luo Cheng Zhang, Chizuko Kabuto, and Mitsuo Kira pp 2925–2926 DOI: 10.1021/ja983677j Supporting Info

Kinetics of 2‘-Deoxyuridin-1‘-yl Radical Reactions Calvin J. Emanuel, Martin Newcomb, Carla Ferreri, and Chryssostomos Chatgilialoglu pp 2927–2928 DOI: 10.1021/ja9839872

Organoiron Route to a New Dendron for Fast Dendritic Syntheses Using Divergent and Convergent Methods Valérie Sartor, Laurent Djakovitch, Jean-Luc Fillaut, Françoise Moulines, Frédéric Neveu, Valérie Marvaud, Joëlle Guittard, Jean-Claude Blais, and Didier Astruc pp 2929–2930 DOI: 10.1021/ja983868m Supporting Info

One-Pot, Yet Two-Step, Hydrotitanation of 1-Silyl- or 1-Stannyl-1-alkynes, Showing the Opposite Regioselectivity to the Routine Hydrometalations Hirokazu Urabe, Takashi Hamada, and Fumie Sato pp 2931–2932 DOI: 10.1021/ja9837506 Supporting Info

High Enantioselection in the Rearrangement of Allylic Imidates with Ferrocenyl Oxazoline Catalysts Yariv Donde and Larry E. Overman pp 2933–2934 DOI: 10.1021/ja983263q Supporting Info

An Electroluminescent Polysilole and Some Dichlorooligosiloles Honglae Sohn, Ryan R. Huddleston, Douglas R. Powell, and Robert WestKunio Oka and Xu Yonghua pp 2935–2936 DOI: 10.1021/ja983350i Supporting Info

Silole Polymer and Cyclic Hexamer Catenating through the Ring Silicons Shigehiro Yamaguchi, Ren-Zhi Jin, and Kohei Tamao pp 2937–2938 DOI: 10.1021/ja983349j Supporting Info

Lithiations of Bis-diphenyl-N-trimethylsilylphosphiniminomethane:  An X-ray Structure of a 1,1-Dilithiomethane Derivative Christopher M. Ong and Douglas W. Stephan pp 2939–2940 DOI: 10.1021/ja9839421 Supporting Info

A Bifunctional Molecule that Receives Two Electrons Sequentially through Only One of Its Two Reducible Groups Zi-Rong Zheng and Dennis H. Evans pp 2941–2942 DOI: 10.1021/ja990155a

Intermediate Range Order and Bonding Character in Disordered Network-Forming Systems Carlo Massobrio, Alfredo Pasquarello, and Roberto Car pp 2943–2944 DOI: 10.1021/ja9808447

“N-Fused Porphyrin” from N-Confused Porphyrin Hiroyuki Furuta, Tomoya Ishizuka, Atsuhiro Osuka, and Takuji Ogawa pp 2945–2946 DOI: 10.1021/ja9902672 Supporting Info

Kinetics of Copper Incorporation into an Engineered Purple Azurin Xiaotang Wang, Marjorie C. Ang, and Yi Lu pp 2947–2948 DOI: 10.1021/ja982636k Supporting Info

Identification of the Hydrogen Bonding Network in a Protein by Scalar Couplings Gabriel Cornilescu, Jin-Shan Hu, and Ad Bax pp 2949–2950 DOI: 10.1021/ja9902221 Supporting Info

Issue 13

DNA Cross-Linking by a Phototriggered Dehydromonocrotaline Progenitor Jetze J. Tepe and Robert M. Williams pp 2951–2955 DOI: 10.1021/ja983894k

NMR Characterization of the Aliphatic β/β Pairing for Recognition of A·T/T·A Base Pairs in the Minor Groove of DNA Rafael Peláez Lamamie de Clairac, Christian J. Seel, Bernhard H. Geierstanger, Milan Mrksich, Eldon E. Baird, Peter B. Dervan, and David E. Wemmer pp 2956–2964 DOI: 10.1021/ja983671u Supporting Info

Inhibition of Human Cytomegalovirus Protease by Monocyclic β-Lactam Derivatives:  Kinetic Characterization Using a Fluorescent Probe Pierre R. Bonneau, Firoz Hasani, Céline Plouffe, Eric Malenfant, Steve R. LaPlante, Ingrid Guse, William W. Ogilvie, Raymond Plante, Walter C. Davidson, Jerry L. Hopkins, Maurice M. Morelock, Michael G. Cordingley, and Robert Déziel pp 2965–2973 DOI: 10.1021/ja983905+ Supporting Info

Characterization of the Human Cytomegalovirus Protease As an Induced-Fit Serine Protease and the Implications to the Design of Mechanism-Based Inhibitors Steven R. LaPlante, Pierre R. Bonneau, Norman Aubry, Dale R. Cameron, Robert Déziel, Chantal Grand-Maître, Céline Plouffe, Liang Tong, and Stephen H. Kawai pp 2974–2986 DOI: 10.1021/ja983904h Supporting Info

Spontaneous Assembly of Helical Cyanine Dye Aggregates on DNA Nanotemplates Jennifer L. Seifert, Rebecca E. Connor, Stuart A. Kushon, Miaomiao Wang, and Bruce A. Armitage pp 2987–2995 DOI: 10.1021/ja984279j Supporting Info

Correlation between the Knight Shift of Chemisorbed CO and the Fermi Level Local Density of States at Clean Platinum Catalyst Surfaces YuYe Tong, Cynthia Rice, Nathalie Godbout, Andrzej Wieckowski, and Eric Oldfield pp 2996–3003 DOI: 10.1021/ja9830492

Docking of Glycosaminoglycans to Heparin-Binding Proteins:  Validation for aFGF, bFGF, and Antithrombin and Application to IL-8 Wolfgang Bitomsky and Rebecca C. Wade pp 3004–3013 DOI: 10.1021/ja983319g

Oligomerization and Cross-Oligomerization of Terminal Alkynes Catalyzed by Organoactinide Complexes Ariel Haskel, Thomas Straub, Aswini K. Dash, and Moris S. Eisen pp 3014–3024 DOI: 10.1021/ja9836390

Controlling the Catalytic Oligomerization of Terminal Alkynes Promoted by Organoactinides:  A Strategy to Short Oligomers Ariel Haskel, Ji Quan Wang, Thomas Straub, Tal Gueta Neyroud, and Moris S. Eisen pp 3025–3034 DOI: 10.1021/ja983640z

Hydroformylation Reactions with Rhodium-Complexed Dendrimers on Silica S. Christine Bourque, François Maltais, Wen-Jing Xiao, Olivier Tardif, Howard Alper, Prabhat Arya, and Leo E. Manzer pp 3035–3038 DOI: 10.1021/ja983764b

Physical Organic Chemistry of Transition Metal Carbene Complexes. 15.1 Kinetic and Thermodynamic Acidities of (Methylthiomethoxycarbene)pentacarbonyl Complexes of Chromium and Tungsten in Aqueous Acetonitrile Claude F. Bernasconi and Mahammad Ali pp 3039–3045 DOI: 10.1021/ja984274m

Enantioselective Total Syntheses of (+)-Castanospermine, (+)-6-Epicastanospermine, (+)-Australine, and (+)-3-Epiaustraline Scott E. Denmark and Esther A. Martinborough pp 3046–3056 DOI: 10.1021/ja9829970 Supporting Info

Asymmetric Synthesis of (−)-Anatoxin-a via an Asymmetric Cyclization Using a New Ligand for Pd-Catalyzed Alkylations Barry M. Trost and Johan D. Oslob pp 3057–3064 DOI: 10.1021/ja983617d Supporting Info

Unusual [1,2]- and [1,3]-M(CO)5 Shifts in Fischer Carbene Complexes:  [4 + 3] and [3 + 3] Annulation Reactions of Furan and Pyrrole Rings José Barluenga, Miguel Tomás, Eduardo Rubio, José A. López-Pelegrín, Santiago García-Granda, and Mónica Pérez Priede pp 3065–3071 DOI: 10.1021/ja983692o Supporting Info

Enantioselective Total Synthesis of (+)-Taxusin Ryoma Hara, Takashi Furukawa, Hajime Kashima, Hiroyuki Kusama, Yoshiaki Horiguchi, and Isao Kuwajima pp 3072–3082 DOI: 10.1021/ja984250f Supporting Info

Upper Excited State Photochemistry:  Solution and Gas Phase Photochemistry and Photophysics of 2- and 3-Cyclopropylindene1 Tim Waugh and Harry Morrison pp 3083–3092 DOI: 10.1021/ja981397y

Modulation of Lifetimes and Diastereomeric Discrimination in Triplet-Excited Substituted Butane-1,4-diones through Intramolecular Charge-Transfer Quenching J. N. Moorthy, S. L. Monahan, R. B. Sunoj, J. Chandrasekhar, and C. Bohne pp 3093–3103 DOI: 10.1021/ja9818708 Supporting Info

Photodecomposition of Some Para-Substituted 2-Pyrazolylphenyl Azides. Substituents Affect the Phenylnitrene S−T Gap More Than the Barrier to Ring Expansion Angelo Albini, Gianfranco Bettinetti, and Giovanna Minoli pp 3104–3113 DOI: 10.1021/ja982585r

Cooperative Conformational Transitions in Phenylene Ethynylene Oligomers:  Chain-Length Dependence Ryan B. Prince, Jeffery G. Saven, Peter G. Wolynes, and Jeffrey S. Moore pp 3114–3121 DOI: 10.1021/ja983995i Supporting Info

Synthesis of 12-Substituted 1-Carba-closo-dodecaborate Anions and First Hyperpolarizability of the 12-C7H6+-CB11H11- Ylide Bohumír Grüner, Zbyněk Janoušek, Benjamin T. King, Jeffrey N. Woodford, C. H. Wang, Václav Všeteka, and Josef Michl pp 3122–3126 DOI: 10.1021/ja982368q

New Regioselectivity in the Cleavage of Histidine-Containing Peptides by Palladium(II) Complexes Studied by Kinetic Experiments and Molecular Dynamics Simulations Tatjana N. Parac, G. Matthias Ullmann, and Nenad M. Kostić pp 3127–3135 DOI: 10.1021/ja982369i Supporting Info

Structural Variation in Novel Double Salts of Silver Acetylide with Silver Nitrate:  Fully Encapsulated Acetylide Dianion in Different Polyhedral Silver Cages Guo-Cong Guo, Gong-Du Zhou, and Thomas C. W. Mak pp 3136–3141 DOI: 10.1021/ja984117n Supporting Info

The Use of Ternary Cations to Control Nucleation:  Avoiding Binary Compounds as Reaction Intermediates Robert Schneidmiller, Anne Bentley, Marc D. Hornbostel, and David C. Johnson pp 3142–3149 DOI: 10.1021/ja983405g

Isotope Effects on Hydride Transfer Reactions from Transition Metal Hydrides to Trityl Cation. An Inverse Isotope Effect for a Hydride Transfer Tan-Yun Cheng and R. Morris Bullock pp 3150–3155 DOI: 10.1021/ja983448x

Chemical Bonding in Hypervalent Molecules Revised. 2. Application of the Atoms in Molecules Theory to Y2XZ and Y2XZ2 (Y = H, F, CH3; X = O, S, Se; Z = O, S) Compounds J. A. Dobado, Henar Martínez-García, Jos Molina Molina, and Markku R. Sundberg pp 3156–3164 DOI: 10.1021/ja9828206 Supporting Info

No-Pair Bonding in the High-Spin 3 State of Li2. A Valence Bond Study of Its Origins David Danovich, Wei Wu, and Sason Shaik pp 3165–3174 DOI: 10.1021/ja982913n

First-Principles Ion−Water Interaction Potentials for Highly Charged Monatomic Cations. Computer Simulations of Al3+, Mg2+, and Be2+ in Water José M. Martínez, Rafael R. Pappalardo, and Enrique Sánchez Marcos pp 3175–3184 DOI: 10.1021/ja9830748

The Electronic Structure of the Bacteriopheophytin a Anion Radical, in Vivo Patrick J. O'Malley pp 3185–3192 DOI: 10.1021/ja983630y

Charge-Transfer Interaction of Methyl Viologen with Zeolite Framework and Dramatic Blue Shift of Methyl Viologen−Arene Charge-Transfer Band upon Increasing the Size of Alkali Metal Cation Y. S. Park, S. Y. Um, and K. B. Yoon pp 3193–3200 DOI: 10.1021/ja980912p

Architecture and Dynamics of C22 Bonded Interphases Matthias Pursch, Lane C. Sander, Hans-J. Egelhaaf, Martin Raitza, Stephen A. Wise, Dieter Oelkrug, and Klaus Albert pp 3201–3213 DOI: 10.1021/ja983046p Supporting Info

Catalytic Oxidation of Carbon Monoxide on Monodispersed Platinum Clusters:  Each Atom Counts U. Heiz, A. Sanchez, S. Abbet, and W.-D. Schneider pp 3214–3217 DOI: 10.1021/ja983616l

C36:  The Best Fullerene for Covalent Bonding Patrick W. Fowler, Dean Mitchell, and Francesco Zerbetto pp 3218–3219 DOI: 10.1021/ja983853o

Vectorial Photoinduced Electron-Transfer and Charge Separation in a Zn(II)-Protoporphyrin−Bipyridinium Dyad Reconstituted Myoglobin Vered Heleg-Shabtai, Tobias Gabriel, and Itamar Willner pp 3220–3221 DOI: 10.1021/ja983773k Supporting Info

Oriented Surface Dipoles Strongly Influence Interfacial Wettabilities Michael Graupe, Mitsuru Takenaga, Thomas Koini, Ramon Colorado, Jr., and T. Randall Lee pp 3222–3223 DOI: 10.1021/ja983582h

Palladium-Catalyzed C−O Coupling Involving Unactivated Aryl Halides. Sterically Induced Reductive Elimination To Form the C−O Bond in Diaryl Ethers Grace Mann, Christopher Incarvito, Arnold L. Rheingold, and John F. Hartwig pp 3224–3225 DOI: 10.1021/ja984321a Supporting Info

Diastereoselective Total Synthesis of the Vancomycin Aglycon with Ordered Atropisomer Equilibrations Dale L. Boger, Susumu Miyazaki, Seong Heon Kim, Jason H. Wu, Olivier Loiseleur, and Steven L. Castle pp 3226–3227 DOI: 10.1021/ja990189i Supporting Info

Indium-Mediated Organometallic Reactions in Aqueous Media:  The Nature of the Allylindium Intermediate Tak Hang Chan and Yang Yang pp 3228–3229 DOI: 10.1021/ja984359n

Rhodium-Catalyzed Intramolecular Silylcarbotricyclization (SiCaT) of Triynes Iwao Ojima, An T. Vu, James V. McCullagh, and Atsushi Kinoshita pp 3230–3231 DOI: 10.1021/ja9815529 Supporting Info

Chemisorption of H8Si8O12 Clusters on Gold:  A Novel Si−H Bond Activation Kenneth T. Nicholson, K. Z. Zhang, and Mark M. Banaszak Holl pp 3232–3233 DOI: 10.1021/ja983509r

Trivalent Ion Hydrolysis Reactions:  A Linear Free-Energy Relationship Based on Density Functional Electronic Structure Calculations James R. Rustad, David A. Dixon, Kevin M. Rosso, and Andrew R. Felmy pp 3234–3235 DOI: 10.1021/ja984217t

Catalytic Asymmetric Allylation of Prochiral Nucleophiles, α-Acetamido-β-ketoesters Ryoichi Kuwano and Yoshihiko Ito pp 3236–3237 DOI: 10.1021/ja9900104 Supporting Info

Carbocycle Synthesis via Carbopalladation of Nitriles Richard C. Larock, Qingping Tian, and Alexandre A. Pletnev pp 3238–3239 DOI: 10.1021/ja984086w Supporting Info

Magnetically Oriented Phospholipid Bilayers for Spin Label EPR Studies Seth M. Garber, Gary A. Lorigan, and Kathleen P. Howard pp 3240–3241 DOI: 10.1021/ja984371f

Solution and Solid-State Structure of Ru(CO)2(Bu2PtC2H4PtBu2):  Square Planar and Monomeric? Torsten Gottschalk-Gaudig, John C. Huffman, and Kenneth G. CaultonHélène Gérard and Odile Eisenstein pp 3242–3243 DOI: 10.1021/ja9842619 Supporting Info

New Bifunctional Perfluoroaryl Boranes. Synthesis and Reactivity of the ortho-Phenylene-Bridged Diboranes 1,2-[B(C6F5)2]2C6X4 (X = H, F)‘ V. Clifford Williams, Warren E. Piers, William Clegg, Mark R. J. Elsegood, Scott Collins, and Todd B. Marder pp 3244–3245 DOI: 10.1021/ja990082v Supporting Info

Unusual Luminescence of Hexapyrrolidine Derivatives of C60 with Th and Novel D3-Symmetry Georg Schick, Marcia Levitus, Lance Kvetko, Brent A. Johnson, Iris Lamparth, Ralph Lunkwitz, Bin Ma, Saeed I. Khan, Miguel A. Garcia-Garibay, and Yves Rubin pp 3246–3247 DOI: 10.1021/ja984329k Supporting Info

Bis(purine) Complexes of trans-a2PtII:  Preparation and X-ray Structures of Bis(9-methyladenine) and Mixed 9-Methyladenine, 9-Methylguanine Complexes and Chemistry Relevant to Metal-Modified Nucleobase Triples and Quartets J. Am. Chem. Soc. 1996, 118, 4124−4132 André Schreiber, Marc S. Lüth, Andrea Erxleben, Edda C. Fusch, and Bernhard Lippert p 3248 DOI: 10.1021/ja9955013 Supporting Info

On Pure Axial Monosubstituted Cyclohexanes J. Am. Chem. Soc. 1998, 120, 12145−12146 Ben Cornett, Matthew Davis, Shaoxiong Wu, Neysa Nevins, and James P. Snyder p 3248 DOI: 10.1021/ja995503n

A New Divergent Route to the Synthesis of Organophosphine and Metallodendrimers via Simple Acid−Base Hydrolytic Chemistry J. Am. Chem. Soc. 1999, 121 (9), 1968−1969 Maria Petrucci-Samija, Virginie Guillemette, Mohua Dasgupta, and Ashok K. Kakkar p 3248 DOI: 10.1021/ja9955058

Issue 14

Synthesis and Thermodynamic and Biophysical Properties of Tricyclo-DNA Ralph Steffens and Christian J. Leumann pp 3249–3255 DOI: 10.1021/ja983570w Supporting Info

Precision Measurements of Binary and Multicomponent Diffusion Coefficients in Protein Solutions Relevant to Crystal Growth:  Lysozyme Chloride in Water and Aqueous NaCl at pH 4.5 and 25 °C John G. Albright, Onofrio Annunziata, Donald G. Miller, Luigi Paduano, and Arne J. Pearlstein pp 3256–3266 DOI: 10.1021/ja9834834

Calculating the Absolute Free Energy of Association of Netropsin and DNA Suresh B. Singh and Peter A. Kollman pp 3267–3271 DOI: 10.1021/ja983118c

Flat Peptides Marco Crisma, Fernando Formaggio, Claudio Toniolo, Taichi Yoshikawa, and Tateaki Wakamiya pp 3272–3278 DOI: 10.1021/ja9842114 Supporting Info

Helical Coordination Polymers from Achiral Components in Crystals. Homochiral Crystallization, Homochiral Helix Winding in the Solid State, and Chirality Control by Seeding Takayoshi Ezuhara, Ken Endo, and Yasuhiro Aoyama pp 3279–3283 DOI: 10.1021/ja9819918 Supporting Info

Modeling in Organotin Chemistry Using NMR Restraints:  A Case Study on the 9R,12S-[tBu2Sn]2O Derivative of Erythromycin A José C. Martins, Rudolph Willem, Frédéric A. G. Mercier, Marcel Gielen, and Monique Biesemans pp 3284–3291 DOI: 10.1021/ja982559t

Role of the Zeolitic Environment in Catalytic Activation of Methanol I. Štich, J. D. Gale, K. Terakura, and M. C. Payne pp 3292–3302 DOI: 10.1021/ja983470q

Spectroscopic Characterization of the Initial C8 Intermediate in the Reaction of the 2-Fluorenylnitrenium Ion with 2‘-Deoxyguanosine Robert A. McClelland, Abid Ahmad, Andrew P. Dicks, and Victoria E. Licence pp 3303–3310 DOI: 10.1021/ja9836702

Lactone and Lactam Library Synthesis by Silver Ion-Assisted Orthogonal Cyclization of Unprotected Peptides Lianshan Zhang and James P. Tam pp 3311–3320 DOI: 10.1021/ja983859d

Variation of a Theme:  Crystal Structure with Four Octakis(2,3,6-tri-O-methyl)-γ-cyclodextrin Molecules Hydrated Differently by a Total of 19.3 Water, Thammarat Aree, Isabel Usón, Burkhard Schulz, Günter Reck, Helga Hoier, George M. Sheldrick, and Wolfram Saenger pp 3321–3327 DOI: 10.1021/ja9838561 Supporting Info

Pentacoordinate Organoaluminum Chemistry:  Catalytic Efficiency of Me3Al in the Epoxide Cleavage with Alkynyllithiums Takashi Ooi, Naoko Kagoshima, Hayato Ichikawa, and Keiji Maruoka pp 3328–3333 DOI: 10.1021/ja9842464

Markedly Enhancing Enzymatic Enantioselectivity in Organic Solvents by Forming Substrate Salts Tao Ke and Alexander M. Klibanov pp 3334–3340 DOI: 10.1021/ja984283v

A Structural and Functional Model of Dinuclear Metallophosphatases Nicholas H. Williams, Anne-Marie Lebuis, and Jik Chin pp 3341–3348 DOI: 10.1021/ja9827797

Structure, Ferromagnetic Ordering, Anisotropy, and Spin Reorientation for the Two-Dimensional Cyano-Bridged Bimetallic Compound K2Mn3(H2O)6[Mo(CN)7]2·6H2O Joulia Larionova, Olivier Kahn, Stéphane Gohlen, Lahcène Ouahab, and Rodolphe Clérac pp 3349–3356 DOI: 10.1021/ja9832717 Supporting Info

Homologous Series of Heavier Element Dipnictenes 2,6-Ar2H3C6E=EC6H3-2,6-Ar2 (E = P, As, Sb, Bi; Ar = Mes = C6H2-2,4,6-Me3; or Trip = C6H2-2,4,6-iPr3) Stabilized by m-Terphenyl Ligands Brendan Twamley, Chadwick D. Sofield, Marilyn M. Olmstead, and Philip P. Power pp 3357–3367 DOI: 10.1021/ja983999n Supporting Info

Five-Coordinate Silicon in High-Silica Zeolites H. Koller, A. Wölker, L. A. Villaescusa, M. J. Díaz-Cabañas, S. Valencia, and M. A. Camblor pp 3368–3376 DOI: 10.1021/ja9840549

The Support as a Chemical Reagent in the Preparation of WOx/γ-Al2O3 Catalysts:  Formation and Deposition of Aluminotungstic Heteropolyanions Xavier Carrier, Jean-Baptiste d'Espinose de la Caillerie, Jean-François Lambert, and M. Che pp 3377–3381 DOI: 10.1021/ja984081z

Heptacoordination. Synthesis and Characterization of the IOF52- Dianion, an XOF5E Species Karl O. Christe, William W. Wilson, David A. Dixon, and Jerry A. Boatz pp 3382–3385 DOI: 10.1021/ja984248o

Photoexcited Electron Transfer:  Short-Time Dynamics and Turnover Control by Dephasing, Relaxation, and Mixing Guy Ashkenazi, Ronnie Kosloff, and Mark A. Ratner pp 3386–3395 DOI: 10.1021/ja981998p

Characterization of Bimodal Coordination Structure in Nitrosyl Heme Complexes through Hyperfine Couplings with Pyrrole and Protein Nitrogens A. M. Tyryshkin, S. A. Dikanov, E. J. Reijerse, C. Burgard, and J. Hüttermann pp 3396–3406 DOI: 10.1021/ja982085y

Molecular Simulation of α-Olefins Using a New United-Atom Potential Model:  Vapor−Liquid Equilibria of Pure Compounds and Mixtures Theodora Spyriouni, Ioannis G. Economou, and Doros N. Theodorou pp 3407–3413 DOI: 10.1021/ja982453y Supporting Info

What Do the Kohn−Sham Orbitals and Eigenvalues Mean? Ralf Stowasser and Roald Hoffmann pp 3414–3420 DOI: 10.1021/ja9826892

Steric Effects on Gas-Phase Negative Ion Resonances of Phthalates Paul H. Mazurkiewicz and Max L. Deinzer pp 3421–3427 DOI: 10.1021/ja9828814

Conductance of Molecular Wires:  Influence of Molecule−Electrode Binding S. N. Yaliraki, M. Kemp, and Mark A. Ratner pp 3428–3434 DOI: 10.1021/ja982918k

Photoinduced Energy and Electron Transfer Reactions in Lamellar Polyanion/Polycation Thin Films:  Toward an Inorganic “Leaf” David M. Kaschak, John T. Lean, Chad C. Waraksa, Geoffrey B. Saupe, Hisanao Usami, and Thomas E. Mallouk pp 3435–3445 DOI: 10.1021/ja982985e Supporting Info

Solvent-Dependent Intramolecular Electron Transfer in a Peptide-Linked [Ru(bpy)3]2+−C60 Dyad Alessandra Polese, Simonetta Mondini, Alberto Bianco, Claudio Toniolo, Gianfranco Scorrano, Dirk M. Guldi, and Michele Maggini pp 3446–3452 DOI: 10.1021/ja983421d Supporting Info

Synthesis, Self-Assembly, and Nonlinear Optical Properties of Conjugated Helical Metal Phthalocyanine Derivatives Joseph M. Fox, Thomas J. Katz, Sven Van Elshocht, Thierry Verbiest, Martti Kauranen, André Persoons, Tienthong Thongpanchang, Todd Krauss, and Louis Brus pp 3453–3459 DOI: 10.1021/ja983633a Supporting Info

Revisiting the Acid−Base Equilibrium in Aqueous Solutions of Hydrogen Halides:  Study by the ab Initio Electronic Structure Theory Combined with the Statistical Mechanics of Molecular Liquids Hirofumi Sato and Fumio Hirata pp 3460–3467 DOI: 10.1021/ja9838110

Electron-Transfer Properties of C60 and tert-Butyl-C60 Radical Shunichi Fukuzumi, Ikuo Nakanishi, Tomoyoshi Suenobu, and Karl M. Kadish pp 3468–3474 DOI: 10.1021/ja9838615

Asymmetrical Molecular Aggregation in Spherulitic Dye Films Jian Tao, Guangzhao Mao, and Lars Daehne pp 3475–3485 DOI: 10.1021/ja983842v

Rationalization of the Enantioselectivity of Subtilisin in DMF Giorgio Colombo, Samuel Toba, and Kenneth M. Merz, Jr. pp 3486–3493 DOI: 10.1021/ja9839062

Helix Formation in Unsolvated Alanine-Based Peptides:  Helical Monomers and Helical Dimers Robert R. Hudgins and Martin F. Jarrold pp 3494–3501 DOI: 10.1021/ja983996a

Study of Xenon Binding in Cryptophane-A Using Laser-Induced NMR Polarization Enhancement Michel Luhmer, Boyd M. Goodson, Yi-Qiao Song, David D. Laws, Lana Kaiser, Michelle C. Cyrier, and Alexander Pines pp 3502–3512 DOI: 10.1021/ja9841916

Electrochemistry, Spectroscopy and Electrogenerated Chemiluminescence of Perylene, Terrylene, and Quaterrylene Diimides in Aprotic Solution Sang Kwon Lee, Yanbing Zu, Andreas Herrmann, Yves Geerts, Kläus Müllen, and Allen J. Bard pp 3513–3520 DOI: 10.1021/ja984188m Supporting Info

Effects of High Pressure on Isotope Effects and Hydrogen Tunneling Dexter B. Northrop pp 3521–3524 DOI: 10.1021/ja984177t

Solid-State Light-Emitting Devices Based on the Tris-Chelated Ruthenium(II) Complex. 2. Tris(bipyridyl)ruthenium(II) as a High-Brightness Emitter Erik S. Handy, Amlan J. Pal, and Michael F. Rubner pp 3525–3528 DOI: 10.1021/ja984163n

Stereoselective Formation of Formal Exo Diels−Alder Adducts of Silyloxydienes and Allenecarboxylates Michael E. Jung and Nobuko Nishimura pp 3529–3530 DOI: 10.1021/ja9841660 Supporting Info

A New Determination of the Fluoride Ion−Water Bond Energy Patrick Weis, Paul R. Kemper, and Michael T. BowersSotiris S. Xantheas pp 3531–3532 DOI: 10.1021/ja9842161 Supporting Info

“Melting Transition” of a Quantum Dot Solid:  Collective Interactions Influence the Thermally-Induced Order−Disorder Transition of a Silver Nanocrystal Superlattice Brian A. Korgel, Nelsi Zaccheroni, and Donald Fitzmaurice pp 3533–3534 DOI: 10.1021/ja9826035

A Very Large Metallosupramolecular Capsule with Cube-like 43 Topology Assembled from Twelve Cu(II) Centers and Eight Tri-Bidentate Tri-Anionic Ligands Derived from 2,4,6-Triphenylazo-1,3,5-trihydroxybenzene Brendan F. Abrahams, Simon J. Egan, and Richard Robson pp 3535–3536 DOI: 10.1021/ja990016t Supporting Info

A Spin Topological Model for the g = 4.1 S2 State Photosystem II Water Oxidase Manganese Aggregate Christopher E. Dubé, Roberta Sessoli, Michael P. Hendrich, Dante Gatteschi, and William H. Armstrong pp 3537–3538 DOI: 10.1021/ja9840910

TMP−Zincate as Highly Chemoselective Base for Directed Ortho Metalation Yoshinori Kondo, Manabu Shilai, Masanobu Uchiyama, and Takao Sakamoto pp 3539–3540 DOI: 10.1021/ja984263t Supporting Info

A Highly Stereoselective Synthesis of 2-Deoxy-β-glycosides Using 2-Deoxy-2-iodo-glucopyranosyl Acetate Donors William R. Roush and Chad E. Bennett pp 3541–3542 DOI: 10.1021/ja984365j Supporting Info

Palladium-Catalyzed Kinetic and Dynamic Kinetic Asymmetric Transformation of 5-Acyloxy-2-(5H)-furanone. Enantioselective Synthesis of (−)-Aflatoxin B Lactone Barry M. Trost and F. Dean Toste pp 3543–3544 DOI: 10.1021/ja9844229 Supporting Info

Intramolecular Nucleophilic Addition of Vinylpalladiums to Aryl Ketones Long Guo Quan, Vladimir Gevorgyan, and Yoshinori Yamamoto pp 3545–3546 DOI: 10.1021/ja983645w Supporting Info

Use of 13C,15N-Labeled DNA in a Non-Sequence-Specific Protein−DNA Complex Resolves Ambiguous Assignments of Intermolecular NOEs James E. Masse, Frédéric H-T. Allain, Yi-Meng Yen, Reid C. Johnson, and Juli Feigon pp 3547–3548 DOI: 10.1021/ja9839926

Dendrimers Supported by the [Re6Se8]2+ Metal Cluster Core Ruiyao Wang and Zhiping Zheng pp 3549–3550 DOI: 10.1021/ja984398z Supporting Info

Synthesis and Crystallographic Characterization of an Octameric Water Complex, (H2O)8 Wyndham B. Blanton, Scott W. Gordon-Wylie, George R. Clark, Kenneth D. Jordan, John T. Wood, Urs Geiser, and Terrence J. Collins pp 3551–3552 DOI: 10.1021/ja982100z Supporting Info

Co(III) Complexes with Carboxamido N and Thiolato S Donor Centers:  Models for the Active Site of Co-Containing Nitrile Hydratases Juan C. Noveron, Marilyn M. Olmstead, and Pradip K. Mascharak pp 3553–3554 DOI: 10.1021/ja9833523 Supporting Info

1H−13C Dipole−Dipole Cross-Correlated Spin Relaxation As a Probe of Dynamics in Unfolded Proteins:  Application to the DrkN SH3 Domain Daiwen Yang, Yu-Keung Mok, D. R. Muhandiram, Julie D. Forman-Kay, and Lewis E. Kay pp 3555–3556 DOI: 10.1021/ja9900914 Supporting Info

Synthesis of Tethered Polystyrene-block-Poly(methyl methacrylate) Monolayer on a Silicate Substrate by Sequential Carbocationic Polymerization and Atom Transfer Radical Polymerization Bin Zhao and William J. Brittain pp 3557–3558 DOI: 10.1021/ja984428y

Titanium(II)-Mediated Asymmetric Intramolecular Cyclization of 2,7- and 2,8-Enynyl Chiral Acetals. Synthetic Equivalent of Stoichiometric Intramolecular Asymmetric Metallo-Ene Reaction Yuuki Takayama, Sentaro Okamoto, and Fumie Sato pp 3559–3560 DOI: 10.1021/ja990021x Supporting Info

Issue 15

Interactions of TMPyP4 and TMPyP2 with Quadruplex DNA. Structural Basis for the Differential Effects on Telomerase Inhibition Frank Xiaoguang Han, Richard T. Wheelhouse, and Laurence H. Hurley pp 3561–3570 DOI: 10.1021/ja984153m Supporting Info

Biotin Synthase Mechanism: Evidence for Hydrogen Transfer from the Substrate into Deoxyadenosine Franck Escalettes, Dominique Florentin, Bernadette Tse Sum Bui, Denis Lesage, and Andrée Marquet pp 3571–3578 DOI: 10.1021/ja9811748

Modeling Studies of the Interactions between the Insulin Receptor Kinase Domain and Protein Tyrosine Phosphatase 1B Nicholas R. Glover and Alan S. Tracey pp 3579–3589 DOI: 10.1021/ja984354q

A “Hydrat-Ion” Spine in a B-DNA Minor Groove Valentina Tereshko, George Minasov, and Martin Egli pp 3590–3595 DOI: 10.1021/ja984346+

Chemical Hermaphroditism:  The Potential of the Cr(CO)3 Moiety To Stabilize Transition States and Intermediates with Anionic, Cationic, or Radical Character at the Benzylic Position Craig A. Merlic, Joseph C. Walsh, Dean J. Tantillo, and K. N. Houk pp 3596–3606 DOI: 10.1021/ja983934k

Surface Functionalization and Imaging Using Monolayers and Surface-Grafted Polymer Layers Michael D. K. Ingall, Charles H. Honeyman, Juanita V. Mercure, Patricia A. Bianconi, and Roderick R. Kunz pp 3607–3613 DOI: 10.1021/ja9833927

Characteristics of an RNA Diels−Alderase Active Site Theodore M. Tarasow, Sandra L. Tarasow, Chi Tu, Elizabeth Kellogg, and Bruce E. Eaton pp 3614–3617 DOI: 10.1021/ja983989m

Steroids as Molecular Photonic Wires. Z → E Olefin Photoisomerization by Intramolecular Triplet−Triplet Energy Transfer with and without Intervening Olefinic Gates1 Larry D. Timberlake and Harry Morrison pp 3618–3632 DOI: 10.1021/ja9808595 Supporting Info

Organolanthanide-Catalyzed Hydroamination/Cyclization. Efficient Allene-Based Transformations for the Syntheses of Naturally Occurring Alkaloids Victor M. Arredondo, Shun Tian, Frank E. McDonald, and Tobin J. Marks pp 3633–3639 DOI: 10.1021/ja984305d Supporting Info

Synthesis of Optically Active 5-(tert-Butyldimethylsiloxy)-2-cyclohexenone and Its 6-Substituted Derivatives as Useful Chiral Building Blocks for the Synthesis of Cyclohexane Rings. Syntheses of Carvone, Penienone, and Penihydrone Georges P-J. Hareau, Masakazu Koiwa, Shinichi Hikichi, and Fumie Sato pp 3640–3650 DOI: 10.1021/ja9843122 Supporting Info

Mechanistic Studies of Photochemical Silylene Extrusion from 2,2-Diphenylhexamethyltrisilane Takashi Miyazawa, Shin-ya Koshihara, Chengyou Liu, Hideki Sakurai, and Mitsuo Kira pp 3651–3656 DOI: 10.1021/ja983370k

An Alternative Route Based on Acid−Base Hydrolytic Chemistry to NLO Active Organic−Inorganic Hybrid Materials for Second-Order Nonlinear Optics Hongwei Jiang and Ashok K. Kakkar pp 3657–3665 DOI: 10.1021/ja983274j

Metal−Metal Cooperativity Effects in Promoting C−H Bond Cleavage of a Methyl Group by an Adjacent Metal Center Jeffrey R. Torkelson, Frederick H. Antwi-Nsiah, Robert McDonald, Martin Cowie, Justin G. Pruis, Karl J. Jalkanen, and Roger L. DeKock pp 3666–3683 DOI: 10.1021/ja983525o Supporting Info

Porphyrin-Stoppered [3]- and [5]-Rotaxanes Nathalie Solladié, Jean-Claude Chambron, and Jean-Pierre Sauvage pp 3684–3692 DOI: 10.1021/ja9824829 Supporting Info

In Situ Determination of the Active Catalyst in Hydrosilylation Reactions Using Highly Reactive Pt(0) Catalyst Precursors Judith Stein, L. N. Lewis, Y. Gao, and R. A. Scott pp 3693–3703 DOI: 10.1021/ja9825377

Observation and Interpretation of Temperature-Dependent Valence Delocalization in the [2Fe−2S]+ Cluster of a Ferredoxin from Clostridium pasteurianum Catalina Achim, Emile L. Bominaar, Jacques Meyer, Jim Peterson, and Eckard Münck pp 3704–3714 DOI: 10.1021/ja983980k

Studies of the Electronic Structure of Metallocene-Based Second-Order Nonlinear Optical Dyes Stephen Barlow, Heather E. Bunting, Catherine Ringham, Jennifer C. Green, Gerold U. Bublitz, Steven G. Boxer, Joseph W. Perry, and Seth R. Marder pp 3715–3723 DOI: 10.1021/ja9830896 Supporting Info

ENDOR Studies of Pyruvate:Ferredoxin Oxidoreductase Reaction Intermediates Vladimir F. Bouchev, Cristina M. Furdui, Saurabh Menon, Rajendra Bose Muthukumaran, Stephen W. Ragsdale, and John McCracken pp 3724–3729 DOI: 10.1021/ja984057l

The Solvation of Acetonitrile Jeffrey R. Reimers and Lachlan E. Hall pp 3730–3744 DOI: 10.1021/ja983878n Supporting Info

Photofunctional Vesicles Containing Prussian Blue and Azobenzene Y. Einaga, O. Sato, T. Iyoda, A. Fujishima, and K. Hashimoto pp 3745–3750 DOI: 10.1021/ja982450l

Singlet-Oxygen-Sensitized Delayed Fluorescence:  Direct Detection of Triplet Phthalocyanine as an Intermediate Sean T. Murphy, Kunio Kondo, and Christopher S. Foote pp 3751–3755 DOI: 10.1021/ja974293g

Experimental and Theoretical Identification of C3O2···H2O and C3O2···NH3 Complexes:  Pre-reactive Intermediates of a 1,4 Nucleophilic Addition Isabelle Couturier-Tamburelli, Thierry Chiavassa, and Jean-Pierre Aycard pp 3756–3761 DOI: 10.1021/ja9819716 Supporting Info

UV Resonance Raman Studies of Cis-to-Trans Isomerization of Glycyglycine Derivatives Janet S. W. Holtz, Pusheng Li, and Sanford A. Asher pp 3762–3766 DOI: 10.1021/ja984003b

Molecular Mechanics in Crystalline Media:  The Case of (E)-Stilbenes Simona Galli, Pierluigi Mercandelli, and Angelo Sironi pp 3767–3772 DOI: 10.1021/ja9842417

Thermal Rearrangement of Ethynylarenes to Cyclopentafused Polycyclic Aromatic Hydrocarbons:  An Electronic Structure Study Jerzy Cioslowski, Michael Schimeczek, Pawel Piskorz, and David Moncrieff pp 3773–3778 DOI: 10.1021/ja9836601

Electrochemistry Using Single Carbon Nanotubes Joseph K. Campbell, Li Sun, and Richard M. Crooks pp 3779–3780 DOI: 10.1021/ja990001v

Polydifluoroacetylene, Polychlorofluoroacetylene, and Polydichloroacetylene George L. Gould, Veena Eswara, Roxana M. Trifu, and David G. Castner pp 3781–3782 DOI: 10.1021/ja983840a Supporting Info

67Zn QCPMG Solid-State NMR Studies of Zinc Complexes as Models for Metalloproteins Flemming H. Larsen, Andrew S. Lipton, Hans J. Jakobsen, Niels Chr. Nielsen, and Paul D. Ellis pp 3783–3784 DOI: 10.1021/ja9839623

The Norrish Type II Photofragmentation of Esters Induced by Intramolecular Electron Transfer Dayal P. DeCosta, Amy K. Bennett, and James A. Pincock pp 3785–3786 DOI: 10.1021/ja9840347

Efficient Suppression of Solvent Resonances in HR-MAS of Resin-Supported Molecules Ralf Warrass, Jean-Michel Wieruszeski, and Guy Lippens pp 3787–3788 DOI: 10.1021/ja9843728 Supporting Info

The Cone-to-Cone Interconversion of Partially O-Methylated Calix[4]arenes:  First Experimental Values for the Energy Barriers Toshiya Kusano, Moniralsadat Tabatabai, Yoshio Okamoto, and Volker Böhmer pp 3789–3790 DOI: 10.1021/ja9837811

Radical Cyclization of 2-Alkenylthioanilides:  A Novel Synthesis of 2,3-Disubstituted Indoles Hidetoshi Tokuyama, Tohru Yamashita, Matthew T. Reding, Yosuke Kaburagi, and Tohru Fukuyama pp 3791–3792 DOI: 10.1021/ja983681v Supporting Info

Reaction of Dialkyltin Methoxide with Carbon Dioxide Relevant to the Mechanism of Catalytic Carbonate Synthesis Jun-Chul Choi, Toshiyasu Sakakura, and Takeshi Sako pp 3793–3794 DOI: 10.1021/ja9900499 Supporting Info

Synthesis and Characterization of Stable Stoichiometric Clathrates of Silicon and Germanium:  Cs8Na16Si136 and Cs8Na16Ge136 Svilen Bobev and Slavi C. Sevov pp 3795–3796 DOI: 10.1021/ja9844175 Supporting Info

Lewis Acid-Catalyzed Stereoselective Intramolecular trans-Vinylsilylation of Unactivated Alkynes Naoki Asao, Takashi Shimada, and Yoshinori Yamamoto pp 3797–3798 DOI: 10.1021/ja990385p Supporting Info

Synthesis of 1,2,3,4-Tetrahydroxybenzene from d-Glucose:  Exploiting myo-Inositol as a Precursor to Aromatic Chemicals Chad A. Hansen, Amy B. Dean, K. M. Draths, and J. W. Frost pp 3799–3800 DOI: 10.1021/ja9840293 Supporting Info

A Caveat in the Application of the Exciton Chirality Method to N,N-Dialkyl Amides. Synthesis and Structural Revision of AT2433-B1 John D. Chisholm, Jerzy Golik, Bala Krishnan, James A. Matson, and David L. Van Vranken pp 3801–3802 DOI: 10.1021/ja9842924 Supporting Info

Channeling of Ammonia through the Intermolecular Tunnel Contained within Carbamoyl Phosphate Synthetase Leisha S. Mullins and Frank M. Raushel pp 3803–3804 DOI: 10.1021/ja990063l

Nanocages Derived from Shell Cross-Linked Micelle Templates Haiyong Huang, Edward E. Remsen, Tomasz Kowalewski, and Karen L. Wooley pp 3805–3806 DOI: 10.1021/ja983610w

Visualization of Molecular Length of α,ω-Diamines and Temperature by a Receptor Based on Phenolphthalein and Crown Ether Kaoru Fuji, Kazunori Tsubaki, Kiyoshi Tanaka, Noriyuki Hayashi, Tadamune Otsubo, and Takayoshi Kinoshita pp 3807–3808 DOI: 10.1021/ja9836444 Supporting Info

Ionic Equilibrium:  Solubility and pH Calculations By J. N. Butler (Harvard University); with a chapter by David R. Cogley. Wiley & Sons, Inc.:  New York. 1998. xi + 559 pp. ISBN 0-471-58526-2. Peter Englezos p 3809 DOI: 10.1021/ja9856710

Modern Techniques in Applied Molecular Spectroscopy:  Techniques in Analytical Chemistry Edited by Francis M. Mirabella (Equistar Chemicals, LP). John Wiley & Sons:  New York. 1998. xvi + 410 pp. $59.95. ISBN 0-471-12359-5. Curtis Marcott pp 3809–3810 DOI: 10.1021/ja9856699

Food Lipids:  Chemistry, Nutrition and Biotechnology (Food Science and Technology Series/88) Edited by Casimir C. Akoh (University of Georgia) and David B. Min (University of Ohio). Marcel Dekker:  New York and Basel. 1998. xi + 816 pp. $225.00. ISBN 0-8247-9985-2. J. Martyn Bailey p 3810 DOI: 10.1021/ja985682t

Issue 16

Far-UV Time-Resolved Circular Dichroism Detection of Electron-Transfer-Triggered Cytochrome c Folding Eefei Chen, Pernilla Wittung-Stafshede, and David S. Kliger pp 3811–3817 DOI: 10.1021/ja983169+

Solid-State NMR, Crystallographic and Density Functional Theory Investigation of Fe−CO and Fe−CO Analogue Metalloporphyrins and Metalloproteins Renzo Salzmann, Michael T. McMahon, Nathalie Godbout, Lori K. Sanders, Mark Wojdelski, and Eric Oldfield pp 3818–3828 DOI: 10.1021/ja9832818 Supporting Info

Solid-State NMR, Mössbauer, Crystallographic, and Density Functional Theory Investigation of Fe−O2 and Fe−O2 Analogue Metalloporphyrins and Metalloproteins Nathalie Godbout, Lori K. Sanders, Renzo Salzmann, Robert H. Havlin, Mark Wojdelski, and Eric Oldfield pp 3829–3844 DOI: 10.1021/ja9832820 Supporting Info

Catalytic Enantioselective Inverse-Electron Demand 1,3-Dipolar Cycloaddition Reactions of Nitrones with Alkenes Klaus B. Simonsen, Pau Bayón, Rita G. Hazell, Kurt V. Gothelf, and Karl Anker Jørgensen pp 3845–3853 DOI: 10.1021/ja983915a Supporting Info

Nucleic Acid Oxidation Mediated by Naphthalene and Benzophenone Imide and Diimide Derivatives:  Consequences for DNA Redox Chemistry Joy E. Rogers and Lisa A. Kelly pp 3854–3861 DOI: 10.1021/ja9841299 Supporting Info

The Hydrogen Bond Mimic Approach:  Solid-Phase Synthesis of a Peptide Stabilized as an α-Helix with a Hydrazone Link Edelmira Cabezas and Arnold C. Satterthwait pp 3862–3875 DOI: 10.1021/ja983212t Supporting Info

Mechanistic Studies of the Reaction of Reduced Methane Monooxygenase Hydroxylase with Dioxygen and Substrates Ann M. Valentine, Shannon S. Stahl, and Stephen J. Lippard pp 3876–3887 DOI: 10.1021/ja9839522 Supporting Info

Solid-Phase Synthesis of Deoxynucleic Guanidine (DNG) Oligomers and Melting Point and Circular Dichroism Analysis of Binding Fidelity of Octameric Thymidyl Oligomers with DNA Oligomers Barry A. Linkletter, Istvan E. Szabo, and Thomas C. Bruice pp 3888–3896 DOI: 10.1021/ja984212w Supporting Info

Enantioselective Synthesis of a Novel Trans Double Bond Ceramide Analogue via Catalytic Asymmetric Dihydroxylation of an Enyne. The Role of the Trans Double Bond of Ceramide in the Fusion of Semliki Forest Virus with Target Membranes LinLi He, Hoe-Sup Byun, Jolanda Smit, Jan Wilschut, and Robert Bittman pp 3897–3903 DOI: 10.1021/ja981493z Supporting Info

Development of a Universal Alkoxyamine for “Living” Free Radical Polymerizations Didier Benoit, Vladimir Chaplinski, Rebecca Braslau, and Craig J. Hawker pp 3904–3920 DOI: 10.1021/ja984013c

Radical Addition Rate Constants to Acrylates and Oxygen:  α-Hydroxy and α-Amino Radicals Produced by Photolysis of Photoinitiators Steffen Jockusch and Nicholas J. Turro pp 3921–3925 DOI: 10.1021/ja9837194 Supporting Info

Mechanistic Studies of the Azomethine Ylide-Forming Photoreactions of N-(Silylmethyl)phthalimides and N-Phthaloylglycine Yasutake Takahashi, Tsutomu Miyashi, Ung Chan Yoon, Sun Wha Oh, Maria Mancheno, Zhuoyi Su, Daniel F. Falvey, and Patrick S. Mariano pp 3926–3932 DOI: 10.1021/ja9841862 Supporting Info

Experimental Proof of the Non-Least-Motion Cycloadditions of Dichlorocarbene to Alkenes:  Kinetic Isotope Effects and Quantum Mechanical Transition States Amy E. Keating, Steven R. Merrigan, Daniel A. Singleton, and K. N. Houk pp 3933–3938 DOI: 10.1021/ja981427x

Reactions of the “Stable” Nitroxyl Radical TEMPO with Ketenes:  Formation of a Unique Peroxidic Source of Aminyl Radicals Wen-wei Huang, Huda Henry-Riyad, and Thomas T. Tidwell pp 3939–3943 DOI: 10.1021/ja982944i Supporting Info

Nucleophilic Reactions at the Sulfur of Thiiranium and Thiirenium Ions. New Insight in the Electrophilic Additions to Alkenes and Alkynes. Evidence for an Episulfurane Intermediate Marco Fachini, Vittorio Lucchini, Giorgio Modena, Manuela Pasi, and Lucia Pasquato pp 3944–3950 DOI: 10.1021/ja984304l

A Three-Pole Supramolecular Switch Peter R. Ashton, Vincenzo Balzani, Jan Becher, Alberto Credi, Matthew C. T. Fyfe, Gunter Mattersteig, Stephan Menzer, Mogens B. Nielsen, Françisco M. Raymo, J. Fraser Stoddart, Margherita Venturi, and David J. Williams pp 3951–3957 DOI: 10.1021/ja984341c Supporting Info

Neutron Diffraction Study of Ba6Mn4MO15 (M = Cu, Zn):  Long-Range Magnetic Order in Pseudo-1D Materials Edmund J. Cussen, Jaap F. Vente, and Peter D. Battle pp 3958–3967 DOI: 10.1021/ja984313u

The Asymmetric Addition of Trimethylsilyl Cyanide to Aldehydes Catalyzed by Chiral (Salen)Titanium Complexes Yuri N. Belokon', Susana Caveda-Cepas, Brendan Green, Nicolai S. Ikonnikov, Viktor N. Khrustalev, Vladimir S. Larichev, Margarita A. Moscalenko, Michael North, Charles Orizu, Vitali I. Tararov, Michela Tasinazzo, Galina I. Timofeeva, and Lidia V. Yashkina pp 3968–3973 DOI: 10.1021/ja984197v Supporting Info

Evidence for Methane σ-Complexes in Reductive Elimination Reactions from Tp‘Rh(L)(CH3)H Douglas D. Wick, Kelly A. Reynolds, and William D. Jones pp 3974–3983 DOI: 10.1021/ja9841815 Supporting Info

Catalytic Transformations of Vinylthiiranes by Tungsten Carbonyl Complexes. A New Route to 3,6-Dihydro-1,2-dithiins Richard D. Adams and Joseph L. Perrin pp 3984–3991 DOI: 10.1021/ja984249g Supporting Info

Theoretical Studies of Inorganic and Organometallic Reaction Mechanisms. 15. Catalytic Alkane Dehydrogenation by Iridium(III) Complexes Shuqiang Niu and Michael B. Hall pp 3992–3999 DOI: 10.1021/ja981314d Supporting Info

Theoretical Characterization of the Reaction Intermediates in a Model of the Nickel−Iron Hydrogenase of Desulfovibrio gigas Shuqiang Niu, Lisa M. Thomson, and Michael B. Hall pp 4000–4007 DOI: 10.1021/ja983469r Supporting Info

Interplay of Orbital Tuning and Linker Location in Controlling Electronic Communication in Porphyrin Arrays Sung Ik Yang, Jyoti Seth, Thiagarajan Balasubramanian, Dongho Kim, Jonathan S. Lindsey, Dewey Holten, and David F. Bocian pp 4008–4018 DOI: 10.1021/ja9842060 Supporting Info

Synthesis and Characterization of Tetramethylammonium Cyanosulfite, (CH3)4N+SO2CN- Andreas Kornath, Oliver Blecher, and Ralf Ludwig pp 4019–4022 DOI: 10.1021/ja9833422

Microwave Spectra and the Molecular Structure of Tetracarbonylethyleneiron Brian J. Drouin and Stephen G. Kukolich pp 4023–4030 DOI: 10.1021/ja983937x

Volumes of Individual Amino Acid Residues in Gas-Phase Peptide Ions Anne E. Counterman and David E. Clemmer pp 4031–4039 DOI: 10.1021/ja984344p

Crystalline Colloidal Array of Water Voids in Hydrogels:  Direct Evidence for Entropic Trapping of Flexible Polymers Lei Liu, Pusheng Li, and Sanford A. Asher pp 4040–4046 DOI: 10.1021/ja983843n

Probing the Symmetry of the Nonlinear Optic Chromophore Ru(trans-4,4‘-diethylaminostyryl-2,2‘-bipyridine)32+:  Insight from Polarized Hyper-Rayleigh Scattering and Electroabsorption (Stark) Spectroscopy Fredrick W. Vance and Joseph T. Hupp pp 4047–4053 DOI: 10.1021/ja9840044 Supporting Info

Oriented Self-Association of Copper(II) Tetraphenylporphine in Liquid-Crystalline Lipid Bilayer Membranes:  An EPR Study Witold K. Subczynski, Marta Pasenkiewicz-Gierula, William E. Antholine, and James S. Hyde pp 4054–4059 DOI: 10.1021/ja981247n

[Mo2(η5-C5H5)2(μ-PPh2)(CO)4], a Reactive 33-Electron Binuclear Radical M. Esther García, Víctor Riera, M. Teresa Rueda, and Miguel A. RuizMaurizio Lanfranchi and Antonio Tiripicchio pp 4060–4061 DOI: 10.1021/ja982111s Supporting Info

A Novel Mild Route to Nanocrystalline Selenides at Room Temperature Wenzhong Wang, Yan Geng, Ping Yan, Fuyu Liu, Yi Xie, and Yitai Qian pp 4062–4063 DOI: 10.1021/ja9832414

Determination of the Complete Structure of a Uniformly Labeled Molecule by Rotational Resonance Solid-State NMR in the Tilted Rotating Frame Kaoru Nomura, K. Takegoshi, Takehiko Terao, Kenichi Uchida, and Masatsune Kainosho pp 4064–4065 DOI: 10.1021/ja984330j

Intramolecular Cyclizations via Carbenoid Intermediates in Complexation of Alkynyltungsten Compounds with Co2(CO)8:  A New Route to the Pauson−Khand Reaction Yung-Tai Shiu, Reniguntala J. Madhushaw, Wen-Tai Li, Yin-Chih Lin, Gene-Hsian Lee, Shie-Ming Peng, Feng-Lin Liao, Sue-Lang Wang, and Rai-Shung Liu pp 4066–4067 DOI: 10.1021/ja990007k Supporting Info

A Ruthenium-Catalyzed Two-Component Addition To Form 1,3-Dienes Barry M. Trost and Anthony B. Pinkerton pp 4068–4069 DOI: 10.1021/ja990291f Supporting Info

Evidence for the Existence of a Late-Metal Terminal Sulfido Complex David A. Vicic and William D. Jones pp 4070–4071 DOI: 10.1021/ja984136x Supporting Info

Stereoselective Ring-Opening Polymerization of meso-Lactide:  Synthesis of Syndiotactic Poly(lactic acid) Tina M. Ovitt and Geoffrey W. Coates pp 4072–4073 DOI: 10.1021/ja990088k Supporting Info

Ethenylation of Silyl Enol Ether with Silylethyne Masahiko Yamaguchi, Toru Tsukagoshi, and Mieko Arisawa pp 4074–4075 DOI: 10.1021/ja984022l Supporting Info

Nanosecond UV Resonance Raman Examination of Initial Steps in α-Helix Secondary Structure Evolution Igor K. Lednev, Anton S. Karnoup, Mark C. Sparrow, and Sanford A. Asher pp 4076–4077 DOI: 10.1021/ja984464x

Development of a Fast Response Molecular Recognition Ion Gating Membrane Takeo Yamaguchi, Taichi Ito, Taketoshi Sato, Toshio Shinbo, and Shin-ichi Nakao pp 4078–4079 DOI: 10.1021/ja984170b

Dual Mechanisms of Acid-Catalyzed Rearrangement of Enol Ester Epoxides:  Enantioselective Formation of α-Acyloxy Ketones Yuanming Zhu, Karl J. Manske, and Yian Shi pp 4080–4081 DOI: 10.1021/ja990124f Supporting Info

Molecular Origin of the Debye−Huckel−Onsager Limiting Law of Ion Conductance and Its Extension to High Concentrations:  Mode Coupling Theory Approach to Electrolyte Friction Amalendu Chandra, Ranjit Biswas, and Biman Bagchi, pp 4082–4083 DOI: 10.1021/ja983581p

An Alternative Synthetic Approach toward Dendritic Macromolecules:  Novel Benzene-Core Dendrimers via Alkyne Cyclotrimerization Stefan Hecht and Jean M. J. Fréchet pp 4084–4085 DOI: 10.1021/ja9842215 Supporting Info

Dehydrogenation of n-Alkanes Catalyzed by Iridium “Pincer” Complexes:  Regioselective Formation of α-Olefins Fuchen Liu, Esther B. Pak, Bharat Singh, Craig M. Jensen, and Alan S. Goldman pp 4086–4087 DOI: 10.1021/ja983460p Supporting Info

Ring-Opening Metathesis Polymerization from Surfaces Marcus Weck, Jennifer J. Jackiw, Robert R. Rossi, Paul S. Weiss, and Robert H. Grubbs pp 4088–4089 DOI: 10.1021/ja983297y Supporting Info

Formation of Two-Dimensional Crystals of Alkanes on the Au(111) Surface in Neat Liquid K. Uosaki and R. Yamada pp 4090–4091 DOI: 10.1021/ja984369o

DNA Cleavage by Fe(II)·Bleomycin Conjugated to a Solid Support J. Am. Chem. Soc. 1999, 121 (9), 1982−1983 Anil T. Abraham, Xiang Zhou, and Sidney M. Hecht p 4092 DOI: 10.1021/ja995504f

Total Synthesis of Olivomycin A J. Am. Chem. Soc. 1999, 121, 1990−1991 William R. Roush, Richard A. Hartz, and Darin J. Gustin p 4092 DOI: 10.1021/ja9955060

Spin Chemical Control of Photoinduced Electron-Transfer Processes in Ruthenium(II)-Trisbipyridine-Based Supramolecular Triads J. Am. Chem. Soc. 1999, 121, 1076−1087 Thomas Klumpp, Markus Linsenmann, Steven L. Larson, Bradford R. Limoges, Dieter Bürssner, Evgenii B. Krissinel, C. Michael Elliott, and Ulrich E. Steiner p 4092 DOI: 10.1021/ja995507s

Issue 17

Chemistry of Nitric Oxide with Protein-Bound Iron Sulfur Centers. Insights on Physiological Reactivity Matthew W. Foster and J. A. Cowan pp 4093–4100 DOI: 10.1021/ja9901056

Hydroxyl-Radical-Induced Decomposition of 2‘-Deoxycytidine in Aerated Aqueous Solutions J. Richard Wagner, Chantal Decarroz, Maurice Berger, and Jean Cadet pp 4101–4110 DOI: 10.1021/ja982461e

Building with Cubane-1,4-diyl. Synthesis of Aryl-Substituted Cubanes, p-[n]Cubyls, and Cubane-Separated Bis(arenes)1 Philip E. Eaton, Kakumanu Pramod, Todd Emrick, and Richard Gilardi pp 4111–4123 DOI: 10.1021/ja983441f Supporting Info

“Smart” Rotaxanes:  Shape Memory and Control in Tertiary Amide Peptido[2]rotaxanes William Clegg, Carlos Gimenez-Saiz, David A. Leigh, Aden Murphy, Alexandra M. Z. Slawin, and Simon J. Teat pp 4124–4129 DOI: 10.1021/ja9841310 Supporting Info

Catalytic Asymmetric [4 + 1] Cycloaddition of Vinylallenes with Carbon Monoxide:  Reversal of the Induced Chirality by the Choice of Metal Masahiro Murakami, Kenichiro Itami, and Yoshihiko Ito pp 4130–4135 DOI: 10.1021/ja9839365

Isolation, Characterization, and Conformational Characteristics of p-tert-Butylcalix[9−20]arenes1 Donald R. Stewart and C. David Gutsche pp 4136–4146 DOI: 10.1021/ja983964n Supporting Info

Polymer-Supported Chiral Co(Salen) Complexes:  Synthetic Applications and Mechanistic Investigations in the Hydrolytic Kinetic Resolution of Terminal Epoxides D. Allen Annis and Eric N. Jacobsen pp 4147–4154 DOI: 10.1021/ja984410n

The Reaction of Active Zinc with Organic Bromides Albert Guijarro, David M. Rosenberg, and Reuben D. Rieke pp 4155–4167 DOI: 10.1021/ja9844478 Supporting Info

Direct Catalytic Asymmetric Aldol Reaction Naoki Yoshikawa, Yoichi M. A. Yamada, Jagattaran Das, Hiroaki Sasai, and Masakatsu Shibasaki pp 4168–4178 DOI: 10.1021/ja990031y Supporting Info

α- and β-Bis(1,1,1-trifluoro-5,5-dimethyl-5-methoxyacetylacetonato)copper(II):  Transforming the Dense Polymorph into a Versatile New Microporous Framework D. V. Soldatov, J. A. Ripmeester, S. I. Shergina, I. E. Sokolov, A. S. Zanina, S. A. Gromilov, and Yu. A. Dyadin pp 4179–4188 DOI: 10.1021/ja981443u Supporting Info

Powerful Templating Effect in Rb/Pd/Sex Promoted by Crown Ether-like [Rb(Se8)]+ Coordination. Formation of Rb2[Pd(Se4)2]·Se8:  A Layered Pd Polyselenide with “Encapsulated” Eight-Membered Selenium Rings Michael Wachhold and Mercouri G. Kanatzidis pp 4189–4195 DOI: 10.1021/ja984053g Supporting Info

Sonochemical Hydrolysis of Ga3+ Ions:  Synthesis of Scroll-like Cylindrical Nanoparticles of Gallium Oxide Hydroxide S. Avivi, Y. Mastai, G. Hodes, and A. Gedanken pp 4196–4199 DOI: 10.1021/ja9835584

Dynamic Isomerization of a Supramolecular Tetrahedral M4L6 Cluster1 Thomas Beissel, Ryan E. Powers, Tatjana N. Parac, and Kenneth N. Raymond pp 4200–4206 DOI: 10.1021/ja984046s Supporting Info

Photonic Wires of Nanometric Dimensions. Electronic Energy Transfer in Rigid Rodlike Ru(bpy)32+-(ph)n-Os(bpy)32+ Compounds (ph = 1,4-Phenylene; n = 3, 5, 7) Benedikt Schlicke, Peter Belser, Luisa De Cola, Eliana Sabbioni, and Vincenzo Balzani pp 4207–4214 DOI: 10.1021/ja990044b

o-, m-, and p-Diphosphabenzenes and Their P2(C−H)4 Valence Isomers. An Ab Initio Theoretical Study Laurence Colombet, François Volatron, Philippe Maître, and Philippe C. Hiberty pp 4215–4221 DOI: 10.1021/ja9842722

Water-Assisted Dissociation Reactions for the Compounds of A(CO)B and A(CO)2B (A, B = H, OH):  A Density Functional Theory Study Chiu-Ling Lin and San-Yan Chu pp 4222–4228 DOI: 10.1021/ja982337v

Density Functional Study of Some Germylene Insertion Reactions Ming-Der Su and San-Yan Chu pp 4229–4237 DOI: 10.1021/ja983763j

Insertion of Imine into Palladium−Methyl and Palladium−Acyl Bonds. A Density Functional Study Luigi Cavallo pp 4238–4241 DOI: 10.1021/ja9840706

Effects of Dynamics and Environment on 15N Chemical Shielding Anisotropy in Proteins. A Combination of Density Functional Theory, Molecular Dynamics Simulation, and NMR Relaxation C. Scheurer, N. R. Skrynnikov, S. F. Lienin, S. K. Straus, R. Brüschweiler, and R. R. Ernst pp 4242–4251 DOI: 10.1021/ja984159b Supporting Info

Molecular Simulation of Physical Properties of Hindered-Amine Light Stabilizers in Polyethylene Shyamal K. Nath, Juan J. de Pablo, and Anthony D. DeBellis pp 4252–4261 DOI: 10.1021/ja984107m

Tuning the Selectivity of Protein Photocleavage:  Spectroscopic and Photochemical Studies Challa V. Kumar and Apinya Buranaprapuk pp 4262–4270 DOI: 10.1021/ja9844377 Supporting Info

Photochemical Reaction of Ozone and Benzene:  An Infrared Matrix Isolation Study James K. Parker and Steven R. Davis pp 4271–4277 DOI: 10.1021/ja984380o

Exploiting Differences in Sialoside Expression for Selective Targeting of MRI Contrast Reagents George A. Lemieux, Kevin J. Yarema, Christina L. Jacobs, and Carolyn R. Bertozzi pp 4278–4279 DOI: 10.1021/ja984228m Supporting Info

Significant Inter- and Intramolecular O−H···FC Hydrogen Bonding Thomas J. Barbarich, Christopher D. Rithner, Susie M. Miller, Oren P. Anderson, and Steven H. Strauss pp 4280–4281 DOI: 10.1021/ja983552e Supporting Info

The Use of Residual Dipolar Coupling in Concert with Backbone Relaxation Rates to Identify Conformational Exchange by NMR Eva de Alba, James L. Baber, and Nico Tjandra pp 4282–4283 DOI: 10.1021/ja990062t Supporting Info

Ti-Catalyzed Enantioselective Addition of Cyanide to Imines. A Practical Synthesis of Optically Pure α-Amino Acids Clinton A. Krueger, Kevin W. Kuntz, Carolyn D. Dzierba, Wolfgang G. Wirschun, John D. Gleason, Marc L. Snapper, and Amir H. Hoveyda pp 4284–4285 DOI: 10.1021/ja9840605 Supporting Info

Diels−Alder Reaction for the Selective Immobilization of Protein to Electroactive Self-Assembled Monolayers Muhammad N. Yousaf and Milan Mrksich pp 4286–4287 DOI: 10.1021/ja983529t

Synthesis of Zwitterionic Shell Cross-Linked Micelles V. Bütün, A. B. Lowe, N. C. Billingham, and S. P. Armes pp 4288–4289 DOI: 10.1021/ja9840596 Supporting Info

Palladium-Catalyzed Dimerization−Carbostannylation of Alkynes:  Synthesis of Highly Conjugated Alkenylstannanes Eiji Shirakawa, Hiroto Yoshida, Yoshiaki Nakao, and Tamejiro Hiyama pp 4290–4291 DOI: 10.1021/ja990008c Supporting Info

A Highly Emissive Heteroleptic Copper(I) Bis(phenanthroline) Complex:  [Cu(dbp)(dmp)]+ (dbp = 2,9-Di-tert-butyl-1,10-phenanthroline; dmp = 2,9-Dimethyl-1,10-phenanthroline) Mark T. Miller, Peter K. Gantzel, and Timothy B. Karpishin pp 4292–4293 DOI: 10.1021/ja9901415 Supporting Info

Self-Assembled Rigid-Rod Ionophores Naomi Sakai, Nirmalya Majumdar, and Stefan Matile pp 4294–4295 DOI: 10.1021/ja983893s

Inclusion of [60]Fullerene in a Homooxacalix[3]arene-Based Dimeric Capsule Cross-Linked by a PdII−Pyridine Interaction Atsushi Ikeda, Makoto Yoshimura, Hiromi Udzu, Chie Fukuhara, and Seiji Shinkai pp 4296–4297 DOI: 10.1021/ja984396e

Electrophilic Addition of Polychloroalkanes to C60:  Direct Observation of Alkylfullerenyl Cation Intermediates Toshikazu Kitagawa, Harumi Sakamoto, and Ken'ichi Takeuchi pp 4298–4299 DOI: 10.1021/ja9900048 Supporting Info

d0 Bis(silyl) Complexes Free of Anionic π-Ligands:  Syntheses, Structures, and a Novel Exchange between Silyl Ligands and Silyl Anions Zhongzhi Wu, Jonathan B. Diminnie, and Ziling Xue pp 4300–4301 DOI: 10.1021/ja984424t Supporting Info

Spectroscopic Evaluation of Protein Affinity Binding at Polymeric Biosensor Films James Davis, Andrew Glidle, Anthony E. G. Cass, Juankun Zhang, and Jonathan M. Cooper pp 4302–4303 DOI: 10.1021/ja984467+ Supporting Info

Cyclodextrin-Modified Gold Nanospheres. Host−Guest Interactions at Work to Control Colloidal Properties Jian Liu, Sandra Mendoza, Esteban Román, Matthew J. Lynn, Renliang Xu, and Angel E. Kaifer pp 4304–4305 DOI: 10.1021/ja990330n Supporting Info

A Chemosensor-Based Approach to Catalyst Discovery in Solution and on Solid Support Gregory T. Copeland and Scott J. Miller pp 4306–4307 DOI: 10.1021/ja984139+ Supporting Info

Dual Templating of Macroporous Silicates with Zeolitic Microporous Frameworks Brian T. Holland, Lloyd Abrams, and Andreas Stein pp 4308–4309 DOI: 10.1021/ja990425p Supporting Info

Luminescence of Solids Edited by D. R. Vij. Plenum Press:  New York, 1998. ISMB 0-306-45643-5. J. L. Musfeldt p 4310 DOI: 10.1021/ja985728i

Inductively Coupled Plasma Mass Spectrometry Edited by Akbar Montaser (George Washington University). Wiley-VCH:  New York. 1998. 964 pages. $125.00. ISBN 0-471-18620-1. Michael Dziewatkoski p 4310 DOI: 10.1021/ja9857413

Issue 18

Kinetics and Stereoselectivity of Thiol Trapping of Deoxyuridin-1‘-yl in Biopolymers and Their Relationship to the Formation of Premutagenic α-Deoxynucleotides Jae-Taeg Hwang and Marc M. Greenberg pp 4311–4315 DOI: 10.1021/ja990152y Supporting Info

Thia Zip Reaction for Synthesis of Large Cyclic Peptides:  Mechanisms and Applications James P. Tam, Yi-An Lu, and Qitao Yu pp 4316–4324 DOI: 10.1021/ja984480u Supporting Info

A Fluorescence Assay for Leucine Zipper Dimerization:  Avoiding Unintended Consequences of Fluorophore Attachment David L. Daugherty and Samuel H. Gellman pp 4325–4333 DOI: 10.1021/ja990178p Supporting Info

Unexpected Complexity in the Thermal [π2 + σ2 + σ2] Cycloaddition Reactions of Quadricyclane:  Theory and Isotope Effects Garth A. Jones, Michael J. Shephard, Michael N. Paddon-Row, Brett R. Beno, K. N. Houk, Kate Redmond, and Barry K. Carpenter pp 4334–4339 DOI: 10.1021/ja983033b Supporting Info

Long-Range Electrostatic Contributions to Protein−Ligand Binding Estimated Using Protein Charge Ladders, Affinity Capillary Electrophoresis, and Continuum Electrostatic Theory Justin A. Caravella, Jeffrey D. Carbeck, David C. Duffy, George M. Whitesides, and Bruce Tidor pp 4340–4347 DOI: 10.1021/ja984195a

Control of Stereoerror Formation with High-Activity “Dual-Side” Zirconocene Catalysts:  A Novel Strategy To Design the Properties of Thermoplastic Elastic Polypropenes Ulf Dietrich, Martijn Hackmann, Bernhard Rieger, Martti Klinga, and Markku Leskelä pp 4348–4355 DOI: 10.1021/ja9833220 Supporting Info

A Heavy-Atom Isotope Effect Study of the Hydrolysis of Formamide John F. Marlier, Nancy Carter Dopke, Karyn R. Johnstone, and Todd J. Wirdzig pp 4356–4363 DOI: 10.1021/ja9901819 Supporting Info

Photosensitized Reduction of Sulfonium Salts:  Evidence for Nondissociative Electron Transfer Xiuzhi Wang, Franklin D. Saeva, and J. A. Kampmeier pp 4364–4368 DOI: 10.1021/ja982932x Supporting Info

Novel Electron-Rich Bulky Phosphine Ligands Facilitate the Palladium-Catalyzed Preparation of Diaryl Ethers Attila Aranyos, David W. Old, Ayumu Kiyomori, John P. Wolfe, Joseph P. Sadighi, and Stephen L. Buchwald pp 4369–4378 DOI: 10.1021/ja990324r

The Cl2O2+ Cation:  Preparation and Structural Investigation of Cl2O2+SbF6- and Cl2O2+Sb2F11- Thomas Drews, Wolfram Koch, and Konrad Seppelt pp 4379–4384 DOI: 10.1021/ja984474y Supporting Info

Hydrogen/Deuterium Exchange Reactions and Transfer Hydrogenations Catalyzed by [C5Me5Rh(olefin)2] Complexes:  Conversion of Alkoxysilanes to Silyl Enolates Christian P. Lenges, Peter S. White, and Maurice Brookhart pp 4385–4396 DOI: 10.1021/ja984409o Supporting Info

Rotaxanes Incorporating Two Different Coordinating Units in Their Thread:  Synthesis and Electrochemically and Photochemically Induced Molecular Motions Nicola Armaroli, Vincenzo Balzani, Jean-Paul Collin, Pablo Gaviña, Jean-Pierre Sauvage, and Barbara Ventura pp 4397–4408 DOI: 10.1021/ja984051w

Different Ways To Distort a Tetracapped Tetrahedron on Route to Forming an E4M4 Cubane:  The Case of [E4(Pd(PPh2Me)2)4][Ph2EX2]2 (E = Sb, X = Cl; E = Bi, X = Br) Joseph L. Stark, Brian Harms, Ilse Guzman-Jimenez, Kenton H. Whitmire, Régis Gautier, Jean-François Halet, and Jean-Yves Saillard pp 4409–4418 DOI: 10.1021/ja982902u Supporting Info

Correspondence between Layer Morphology and Intralayer Excitation Transport Dynamics in Zirconium−Phosphonate Monolayers J. C. Horne, Y. Huang, G.-Y. Liu, and G. J. Blanchard pp 4419–4426 DOI: 10.1021/ja982182r

Structural Mediation of Interlayer Excitation Transport in Zirconium−Phosphonate Multilayers J. C. Horne and G. J. Blanchard pp 4427–4432 DOI: 10.1021/ja982552b

Surface Reactions of CH3I and CF3I with Coadsorbed CH2I2 on Ag(111) as Mechanistic Probes for Carbon−Carbon Bond Formation via Methylene Insertion Hsiao-Jung Wu, Heng-Kai Hsu, and Chao-Ming Chiang pp 4433–4442 DOI: 10.1021/ja983164c

Migration of an Excess Proton upon Asymmetric Hydration:  H+[(CH3)2O](H2O)n as a Model System Hai-Chou Chang, Jyh-Chiang Jiang, Ina Hahndorf, Sheng H. Lin, Yuan T. Lee, and Huan-Cheng Chang pp 4443–4450 DOI: 10.1021/ja983353v

“Thermal” SRN1 Reactions:  How Do They Work? Novel Evidence that the Driving Force Controls the Transition between Stepwise and Concerted Mechanisms in Dissociative Electron Transfers Cyrille Costentin, Philippe Hapiot, Maurice Médebielle, and Jean-Michel Savéant pp 4451–4460 DOI: 10.1021/ja9902322

On the Constituents of Aqueous Polyselenide Electrolytes: A Combined Theoretical and Raman Spectroscopic Study A. Goldbach, J. Johnson, D. Meisel, L. A. Curtiss, and Marie-Louise Saboungi pp 4461–4467 DOI: 10.1021/ja9836186

A Hybrid Density Functional Theory/Molecular Mechanics Study of Nickel−Iron Hydrogenase:  Investigation of the Active Site Redox States Patricia Amara, Anne Volbeda, Juan Carlos Fontecilla-Camps, and Martin J. Field pp 4468–4477 DOI: 10.1021/ja983971b

Gas-Phase Nuclear Magnetic Resonance Study of (15N)Trifluoroacetamide:  Comparison of Experimental and Computed Kinetic Parameters Carole L. LeMaster, Clifford B. LeMaster, and Nancy S. True pp 4478–4484 DOI: 10.1021/ja981737f

Reactivity of CnHx+ (n = 24, 18; x = 0−12) Cluster Ions toward Benzene Xinghua Guo and Hans-Friedrich Grützmacher pp 4485–4494 DOI: 10.1021/ja984275e

Volume Changes Associated with CO Photolysis from Fully Reduced Bovine Heart Cytochrome aa3 Randy W. Larsen and Tana Langley pp 4495–4499 DOI: 10.1021/ja9829517

Oriented Growth of Calcite Controlled by Self-Assembled Monolayers of Functionalized Alkanethiols Supported on Gold and Silver Joanna Aizenberg, Andrew J. Black, and George M. Whitesides pp 4500–4509 DOI: 10.1021/ja984254k

Electron Transfer and Adsorption of Myoglobin on Self-Assembled Surfactant Films:  An Electrochemical Tapping-Mode AFM Study S. Boussaad and N. J. Tao pp 4510–4515 DOI: 10.1021/ja990117r

[3 + 2] Cycloaddition of Fischer Alkenyl Carbene Complexes to Enamines:  An Efficient Asymmetric Approach to Cyclopentanoids José Barluenga, Miguel Tomás, Alfredo Ballesteros, Javier Santamaría, Cecile Brillet, Santiago García-Granda, Alejandro Piñera-Nicolás, and Jesús T. Vázquez pp 4516–4517 DOI: 10.1021/ja9825736 Supporting Info

Cooperative Chirality in Columnar Liquid Crystals:  Studies of Fluxional Octahedral Metallomesogens Scott T. Trzaska, Hsiu-Fu Hsu, and Timothy M. Swager pp 4518–4519 DOI: 10.1021/ja9900609 Supporting Info

Asymmetric Formation of α-Amino Acid Esters through Dynamic Kinetic Resolution:  A Cyclic Carbonate as an Optically Active CO2 Synthon Jon A. Tunge, Daniel A. Gately, and Jack R. Norton pp 4520–4521 DOI: 10.1021/ja984061x Supporting Info

A Surface Site as Polydentate Ligand of a Metal Complex:  Density Functional Studies of Rhenium Subcarbonyls Supported on Magnesium Oxide Anguang Hu, Konstantin M. Neyman, Markus Staufer, Thomas Belling, Bruce C. Gates, and Notker Rösch pp 4522–4523 DOI: 10.1021/ja990083n

Origin of the Preference for the Orbital Symmetry Forbidden Stereochemistry of the 1,5-Sigmatropic Shift of Substituted Norcaradienes Achim Kless, Maja Nendel, Sarah Wilsey, and K. N. Houk pp 4524–4525 DOI: 10.1021/ja9840192 Supporting Info

Mg−Al Mixed Oxides as Highly Active Acid−Base Catalysts for Cycloaddition of Carbon Dioxide to Epoxides Kazuya Yamaguchi, Kohki Ebitani, Tomoko Yoshida, Hisao Yoshida, and Kiyotomi Kaneda pp 4526–4527 DOI: 10.1021/ja9902165

Solvent-Controlled Selectivity toward Exclusive C−C or C−H Bond Activation by a Cationic Metal Center Boris Rybtchinski and David Milstein pp 4528–4529 DOI: 10.1021/ja990339p Supporting Info

Proton-Coupled Electron Transfer from Nitrogen. A N−H/N−D Kinetic Isotope Effect of 41.4 My Hang V. Huynh, Thomas J. Meyer, and Peter S. White pp 4530–4531 DOI: 10.1021/ja984325f Supporting Info

Asymmetric Induction at a Silicon Surface G. P. Lopinski, D. J. Moffatt, D. D. M. Wayner, M. Z. Zgierski, and R. A. Wolkow pp 4532–4533 DOI: 10.1021/ja9900858

[2 + 2] Photocycloaddition/Thermal Retrocycloaddi- tion. A New Entry into Functionalized 5-8-5 Ring Systems Michele L. Randall, Priscilla C-K. Lo, Peter J. Bonitatebus, Jr., and Marc L. Snapper pp 4534–4535 DOI: 10.1021/ja990543c Supporting Info

Ruthenium Complexes Bearing η5-Pyrazolato Ligands Jayani R. Perera, Mary Jane Heeg, H. Bernhard Schlegel, and Charles H. Winter pp 4536–4537 DOI: 10.1021/ja990109a Supporting Info

Square and Triangular Arrays Based on Mo24+ and Rh24+ Units F. Albert Cotton, Lee M. Daniels, Chun Lin, and Carlos A. Murillo pp 4538–4539 DOI: 10.1021/ja9901563 Supporting Info

Evolution of Enzymatic Activities in the Enolase Superfamily:  Identification of a “New” General Acid Catalyst in the Active Site of d-Galactonate Dehydratase from Escherichia coli Stacey J. Wieczorek, Kathryn A. Kalivoda, James G. Clifton, Dagmar Ringe, Gregory A. Petsko, and John A. Gerlt pp 4540–4541 DOI: 10.1021/ja990500w

A Convergent Total Synthesis of the Macrolactone Disaccharide Toxin (−)-Polycavernoside A Leo A. Paquette, Louis Barriault, and Dmitri Pissarnitski pp 4542–4543 DOI: 10.1021/ja990384x Supporting Info

Electronic Structure and Properties of Transition Metal Compounds:  Introduction to the Theory By Isaac B. Bersuker (The University of Texas at Austin). John Wiley:  New York. 1996. ISBN 0-471-13079-6. A. B. P. Lever p 4544 DOI: 10.1021/ja975564q

Cooperative Chirality in Columnar Liquid Crystals:  Studies of Fluxional Octahedral Metallomesogens J. Am. Chem. Soc. 1999, 121, 4518−4519 Scott T. Trzaska, Hsiu-Fu Hsu, and Timothy M. Swager p 4544 DOI: 10.1021/ja995512w

Issue 19

Regio- and Enantioselective Allylic Alkylation of an Unsymmetrical Substrate:  A Working Model B. M. Trost and F. D. Toste pp 4545–4554 DOI: 10.1021/ja9828713 Supporting Info

Nonlinear Solvent Water Effects in the Excited-State (Formal) Intramolecular Proton Transfer (ESIPT) in m-Hydroxy-1,1-diaryl Alkenes:  Efficient Formation of m-Quinone Methides1 Maike Fischer and Peter Wan pp 4555–4562 DOI: 10.1021/ja983557b

Solution Chemistry and Twinning in Saccharin Crystals:  A Combined Probe for the Structure and Functionality of the Crystal−Fluid Interface L. Williams-Seton, R. J. Davey, and H. F. Lieberman pp 4563–4567 DOI: 10.1021/ja984112q

Investigating Molecular Recognition by Mass Spectrometry:  Characterization of Calixarene-Based Self-Assembling Capsule Hosts with Charged Guests Christoph A. Schalley, Ronald K. Castellano, Marcus S. Brody, Dmitry M. Rudkevich, Gary Siuzdak, and Julius Rebek, Jr. pp 4568–4579 DOI: 10.1021/ja990276a

Reversible Color Switching and Unusual Solution Polymerization of Hydrazide-Modified Diacetylene Lipids Ulrich Jonas, Koonj Shah, Sophie Norvez, and Deborah H. Charych pp 4580–4588 DOI: 10.1021/ja984190d

Generation, Spectroscopic Characterization, and Reactions of 3,4-Benzotropone. Distinctive Photochemical Behavior of 6,7-Benzobicyclo[3.2.0]hepta-3,6-dien-2-one in Rigid Glass at Low Temperature and in Fluid Solution Masakazu Ohkita, Shinya Nishida, and Takashi Tsuji pp 4589–4597 DOI: 10.1021/ja984348u

Equilibrium Formation of Anilides from Carboxylic Acids and Anilinesin Aqueous Acidic Media Ahmed M. Aman and R. S. Brown pp 4598–4607 DOI: 10.1021/ja990104d Supporting Info

Equilibria between α and β Isomers of Keggin Heteropolytungstates Ira A. Weinstock, Jennifer J. Cowan, Elena M. G. Barbuzzi, Huadong Zeng, and Craig L. Hill pp 4608–4617 DOI: 10.1021/ja982908j Supporting Info

Ultrafast Ring Closure Energetics and Dynamics of Cyclopentadienyl Manganese Tricarbonyl Derivatives Tianjie Jiao, Zhen Pang, Theodore J. Burkey, Randy F. Johnston, Todd A. Heimer, Valeria D. Kleiman, and Edwin J. Heilweil pp 4618–4624 DOI: 10.1021/ja9832764 Supporting Info

Electron Transfer on the Infrared Vibrational Time Scale in the Mixed Valence State of 1,4-Pyrazine- and 4,4‘-Bipyridine-Bridged Ruthenium Cluster Complexes Tasuku Ito, Tomohiko Hamaguchi, Haruko Nagino, Tadashi Yamaguchi, Hiroaki Kido, Igor S. Zavarine, Todd Richmond, John Washington, and Clifford P. Kubiak pp 4625–4632 DOI: 10.1021/ja984000z Supporting Info

Homogeneous Conversion of Methane to Methanol. 1. Catalytic Activation and Functionalization of Methane by cis-Platin in Sulfuric Acid:  A Density Functional Study of the Thermochemistry Kausala Mylvaganam, George B. Bacskay, and Noel S. Hush pp 4633–4639 DOI: 10.1021/ja983753i

Charge Density Distribution in the “Proton Sponge” Compound 1,8-Bis(dimethylamino)naphthalene Paul R. Mallinson, Krzysztof Woźniak, Chick C. Wilson, Kirsty L. McCormack, and and Dmitrii S. Yufit pp 4640–4646 DOI: 10.1021/ja983393z Supporting Info

Structure of Ammonia Trimethylalane (Me3Al-NH3):  Microwave Spectroscopy, X-ray Powder Diffraction, and ab Initio Calculations Jens Müller, Uwe Ruschewitz, Oliver Indris, Holger Hartwig, and Wolfgang Stahl pp 4647–4652 DOI: 10.1021/ja9830389 Supporting Info

Gas-Phase Basicity and Acidity Trends in α,β-Unsaturated Amines, Phosphines, and Arsines Otilia Mó, Manuel Yáñez, Michèle Decouzon, Jean-François Gal, Pierre-Charles Maria, and Jean-Claude Guillemin pp 4653–4663 DOI: 10.1021/ja982657e Supporting Info

Transannular Ring Closure of 10-Membered Cyclic Diynes:  Model Calculations Gebhard Haberhauer and Rolf Gleiter pp 4664–4668 DOI: 10.1021/ja980468q

Dynamics and Kinetic Isotope Effects for the Intramolecular Double Proton Transfer in Oxalamidine Using Direct Semiempirical Dynamics Calculation Yongho Kim and Hyun Jin Hwang pp 4669–4676 DOI: 10.1021/ja984242z

Redox-Dependent Magnetic Alignment of Clostridium pasteurianum Rubredoxin:  Measurement of Magnetic Susceptibility Anisotropy and Prediction of Pseudocontact Shift Contributions Brian F. Volkman, Steven J. Wilkens, Andrew L. Lee, Bin Xia, William M. Westler, Richard Beger, and John L. Markley pp 4677–4683 DOI: 10.1021/ja990079b

Hydrogen Bonding to Active-Site Histidine in Peptidyl Boronic Acid Inhibitor Complexes of Chymotrypsin and Subtilisin:  Proton Magnetic Resonance Assignments and H/D Fractionation Donghui Bao, W. Phillip Huskey, Charles A. Kettner, and Frank Jordan pp 4684–4689 DOI: 10.1021/ja990180g

How Tetrahedral Are Methyl Groups in Proteins? A Liquid Crystal NMR Study Marcel Ottiger and Ad Bax pp 4690–4695 DOI: 10.1021/ja984484z Supporting Info

Theoretical Tracing of a Novel Route from Molecular Precursors through Polymers to Dense, Hard C3N4 Solids Peter Kroll and Roald Hoffmann pp 4696–4703 DOI: 10.1021/ja984406b

Palladium(0)-Catalyzed Modification of Oligonucleotides during Automated Solid-Phase Synthesis Shoeb I. Khan and Mark W. Grinstaff pp 4704–4705 DOI: 10.1021/ja9836794 Supporting Info

Lipoic Acid Biosynthesis:  LipA Is an Iron−Sulfur Protein Robert W. Busby, Johannes P. M. Schelvis, Dannie S. Yu, Gerald T. Babcock, and Michael A. Marletta pp 4706–4707 DOI: 10.1021/ja990134g

Enantioselective Catalytic Oxidation of (Arylthio)- or (Alkylthio)methylphosphonates as a Route to Enantiomeric Pure Aryl Alkyl or Dialkyl Sulfoxides Maria Annunziata M. Capozzi, Cosimo Cardellicchio, Giuseppe Fracchiolla, Francesco Naso, and Paolo Tortorella pp 4708–4709 DOI: 10.1021/ja982836w Supporting Info

Rapid Hydrolysis of 2‘,3‘-cAMP with a Cu(II) Complex:  Effect of Intramolecular Hydrogen Bonding on the Basicity and Reactivity of a Metal-Bound Hydroxide Mark Wall, Barry Linkletter, Dan Williams, Anne-Marie Lebuis, Rosemary C. Hynes, and Jik Chin pp 4710–4711 DOI: 10.1021/ja981227l

Nickel-Catalyzed Asymmetric Multiple-Component Tandem Coupling. Effects of Simple Monodentate Oxazolines as Chiral Ligands Shin-ichi Ikeda, Dong-Mei Cui, and Yoshiro Sato pp 4712–4713 DOI: 10.1021/ja9844231 Supporting Info

Parallel Polarization EPR Characterization of the Mn(III) Center of Oxidized Manganese Superoxide Dismutase Kristy A. Campbell, Emine Yikilmaz, Christopher V. Grant, Wolfgang Gregor, Anne-Frances Miller, and R. David Britt pp 4714–4715 DOI: 10.1021/ja9902219

Imaging of Exposed Headgroups and Tailgroups of Phospholipid Membranes by Mass Spectrometry M. L. Pacholski, D. M. Cannon, Jr., A. G. Ewing, and N. Winograd pp 4716–4717 DOI: 10.1021/ja983022i Supporting Info

Detection of the Intact GroEL Chaperonin Assembly by Mass Spectrometry Adam A. Rostom and Carol V. Robinson pp 4718–4719 DOI: 10.1021/ja990238r

Direct Dynamics Quasiclassical Trajectory Study of the Stereochemistry of the Vinylcyclopropane−Cyclopentene Rearrangement Charles Doubleday, Maja Nendel, K. N. Houk, David Thweatt, and Michael Page pp 4720–4721 DOI: 10.1021/ja984083j Supporting Info

Transition-State Stabilization by a Mammalian Reductive Dehalogenase Munetaka Kunishima, Jessica E. Friedman, and Steven E. Rokita pp 4722–4723 DOI: 10.1021/ja990693n Supporting Info

Synthesis of the Fully Functionalized Bicyclic Core of Garsubellin A K. C. Nicolaou, J. A. Pfefferkorn, S. Kim, and H. X. Wei pp 4724–4725 DOI: 10.1021/ja9905445 Supporting Info

Evidence for an Intermolecular Proton-Transfer Reaction Induced by Collision in Gas-Phase Noncovalently Bound Complexes Fei He, Javier Ramirez, and Carlito B. Lebrilla pp 4726–4727 DOI: 10.1021/ja983535p

2,6,10-Tris(dialkylamino)trioxatriangulenium Ions. Synthesis, Structure, and Properties of Exceptionally Stable Carbenium Ions J. Am. Chem. Soc. 1998, 120, 12255−12263 Bo W. Laursen, Frederik C. Krebs, Merete F. Nielsen, Klaus Bechgaard, Jørn B. Christensen, and Niels Harrit p 4728 DOI: 10.1021/ja995508k

Enzyme-Amplified Amperometric Detection of Hybridization and of a Single Base Pair Mutation in an 18-Base Oligonucleotide on a 7-μm-Diameter Microelectrode J. Am. Chem. Soc. 1999, 121, 769−774 Daren J. Caruana and Adam Heller p 4728 DOI: 10.1021/ja995509c

Microwave-Enhanced Chemistry. Fundamentals, Sample Preparation and Applications Edited by H. M. Kingston (Duquesne University) and Stephen J. Haswell (University of Hull). American Chemical Society:  Washington, D.C. 1997. xxviii + 772 pp. $109.95. ISBN 0-8412-3375-6. Richard Gedye p 4729 DOI: 10.1021/ja9856046

Natural Products Isolation Edited by Richard J. P. Cannell (Glaxo-Wellcome). Humana Press:  Totowa, NJ. 1998. x + 473 pp. $89.50. ISBN 0-86903-362-7 Frederick A. Luzzio pp 4729–4730 DOI: 10.1021/ja985684d

Advances in Molecular Vibrations and Collision Dynamics, Vol. 3:  Molecular Clusters Series edited by Joel M. Bowman (Emory University). Volume Edited by Joel M. Bowman and Zlatko Baić (New York University). JAI Press:  Stamford, CT. 1998. ix + 460 pp. $109.50. ISBN 1-55938-790-4. David Z. Goodson p 4730 DOI: 10.1021/ja985748k

Issue 20

Trifluoromethyldiazirinylphenyldiazenes:  New Hemoprotein Active-Site Probes Richard A. Tschirret-Guth, Katalin F. Medzihradszky, and Paul R. Ortiz de Montellano pp 4731–4737 DOI: 10.1021/ja990351h

A Remarkably Efficient Azobenzene Peptide for Holographic Information Storage Palle H. Rasmussen, P. S. Ramanujam, Søren Hvilsted, and Rolf H. Berg pp 4738–4743 DOI: 10.1021/ja981402y Supporting Info

Substituent Effects on the Reactivity of the Silicon−Carbon Double Bond. Substituted 1,1-Dimethylsilenes from Far-UV Laser Flash Photolysis of α-Silylketenes and (Trimethylsilyl)diazomethane William J. Leigh, Corinna Kerst, Rabah Boukherroub, Tracy L. Morkin, Stephen I. Jenkins, Kuangsen Sung, and Thomas T. Tidwell pp 4744–4753 DOI: 10.1021/ja984277z Supporting Info

Metal−Insulator Transitions, Structural and Microstructural Evolution of RNiO3 (R = Sm, Eu, Gd, Dy, Ho, Y) Perovskites:  Evidence for Room-Temperature Charge Disproportionation in Monoclinic HoNiO3 and YNiO3 José A. Alonso, María J. Martínez-Lope, María T. Casais, Miguel A. G. Aranda, and María T. Fernández-Díaz pp 4754–4762 DOI: 10.1021/ja984015x

Mechanistic Imperatives for Catalysis of Aldol Addition Reactions:  Partitioning of the Enolate Intermediate between Reaction with Brønsted Acids and the Carbonyl Group John P. Richard and R. W. Nagorski pp 4763–4770 DOI: 10.1021/ja9900297 Supporting Info

Ketene Recognizes 1,3-Dienes in Their s-Cis Forms through [4 + 2] (Diels−Alder) and [2 + 2] (Staudinger) Reactions. An Innovation of Ketene Chemistry Takahisa Machiguchi, Toshio Hasegawa, Akihiro Ishiwata, Shiro Terashima, Shinichi Yamabe, and Tsutomu Minato pp 4771–4786 DOI: 10.1021/ja990072u Supporting Info

La4Cu3MoO12:  A Novel Cuprate with Unusual Magnetism Douglas A. Vander Griend, Sophie Boudin, Vincent Caignaert, Kenneth R. Poeppelmeier, Yanguo Wang, Vinayak P. Dravid, Masaki Azuma, Mikio Takano, Zhongbo Hu, and James D. Jorgensen pp 4787–4792 DOI: 10.1021/ja984436e Supporting Info

Immobilization of a Soluble Metal Complex in an Organic Network. Remarkable Catalytic Performance of a Porous Dialkoxyzirconium Polyphenoxide as a Functional Organic Zeolite Analogue Tomoya Sawaki and Yasuhiro Aoyama pp 4793–4798 DOI: 10.1021/ja9900407 Supporting Info

Resonance Raman Investigation of the Au(I)−Au(I) Interaction of the 1[dσ*pσ] Excited State of Au2(dcpm)2(ClO4)2 (dcpm = Bis(dicyclohexylphosphine)methane) King Hung Leung, David Lee Phillips, Man-Chung Tse, Chi-Ming Che, and Vincent M. Miskowski pp 4799–4803 DOI: 10.1021/ja990195e

Theoretical Studies on the Conformation of Protonated Dopamine in the Gas Phase and in Aqueous Solution Peter I. Nagy, Giuliano Alagona, and Caterina Ghio pp 4804–4815 DOI: 10.1021/ja981528v Supporting Info

The C7H10 Potential Energy Landscape:  Concerted Transition States and Diradical Intermediates for the Retro-Diels−Alder Reaction and [1,3] Sigmatropic Shifts of Norbornene Brett R. Beno, Sarah Wilsey, and K. N. Houk pp 4816–4826 DOI: 10.1021/ja9818250 Supporting Info

OPLS All-Atom Model for Amines:  Resolution of the Amine Hydration Problem Robert C. Rizzo and William L. Jorgensen pp 4827–4836 DOI: 10.1021/ja984106u

Stable Ag(II) Coordination Complexes in the Gas Phase N. R. Walker, Rossana R. Wright, and A. J. Stace pp 4837–4844 DOI: 10.1021/ja982781y

Energetics and Kinetics of Step-Terrace Adsorbate Distribution: C2H2 on Pt{211} Rickmer Kose, Wendy A. Brown, and David A. King pp 4845–4851 DOI: 10.1021/ja9834475

Methoxyethenes:  Structures and Conformations Christiane Leibold and Heinz Oberhammer pp 4852–4858 DOI: 10.1021/ja984386d Supporting Info

Photolysis of cis- and trans-[FeIII(cyclam)(N3)2]+ Complexes:  Spectroscopic Characterization of a Nitridoiron(V) Species Karsten Meyer, Eckhard Bill, Bernd Mienert, Thomas Weyhermüller, and Karl Wieghardt pp 4859–4876 DOI: 10.1021/ja983454t Supporting Info

Theoretical Study of Carbon−Halogen Bond Dissociation Enthalpies of Substituted Benzyl Halides. How Important Are Polar Effects?1 Derek A. Pratt, James S. Wright, and K. U. Ingold pp 4877–4882 DOI: 10.1021/ja982866z

Solid-State Light-Emitting Devices Based on the Tris-Chelated Ruthenium(II) Complex:  3. High Efficiency Devices via a Layer-by-Layer Molecular-Level Blending Approach A. Wu, D. Yoo, J.-K. Lee, and M. F. Rubner pp 4883–4891 DOI: 10.1021/ja9833624

Evidence by 15N CPMAS and 15N−13C REDOR NMR for Fixation of Atmospheric CO2 by Amino Groups of Biopolymers in the Solid State Volkmar Schimming, Christof-Gottfried Hoelger, Gerd Buntkowsky, Ingolf Sack, Jürgen-Hinrich Fuhrhop, Stefano Rocchetti, and Hans-Heinrich Limbach pp 4892–4893 DOI: 10.1021/ja981747g

Short Biomimetic Synthesis of a Steroid by Photoinduced Electron Transfer and Remote Asymmetric Induction Christoph Heinemann and Martin Demuth pp 4894–4895 DOI: 10.1021/ja984035z Supporting Info

REMPI Spectroscopy of Jet-Cooled Guanine Eyal Nir, Louis Grace, Beth Brauer, and Mattanjah S. de Vries pp 4896–4897 DOI: 10.1021/ja984088g

Combinatorial Library Approach for the Identification of Synthetic Receptors Targeting Vancomycin-Resistant Bacteria Ruo Xu, Guy Greiveldinger, Linda E. Marenus, Alan Cooper, and Jonathan A. Ellman pp 4898–4899 DOI: 10.1021/ja990240i Supporting Info

Synthesis of (−)-Histrionicotoxin by a Tandem Process Geoffrey M. Williams, Stephen D. Roughley, John E. Davies, and Andrew B. HolmesJoseph P. Adams pp 4900–4901 DOI: 10.1021/ja990138l Supporting Info

Structure of Antimycin A1, a Specific Electron Transfer Inhibitor of Ubiquinol−Cytochrome c Oxidoreductase Hoeon Kim, Lothar Esser, M. Bilayet Hossain, Di Xia, Chang-An Yu, Josep Rizo, Dick van der Helm, and Johann Deisenhofer pp 4902–4903 DOI: 10.1021/ja990190h Supporting Info

Formation of Nicotinamide from Nicotinuric Acid by Peptidylglycine α-Amidating Monooxygenase (PAM):  A Possible Alternative Route from Nicotinic Acid (Niacin) to NADP in Mammals David J. Merkler, Uta Glufke, Kimberly J. Ritenour-Rodgers, Laura E. Baumgart, Jodi L. DeBlassio, Kathleen A. Merkler, and John C. Vederas pp 4904–4905 DOI: 10.1021/ja990517e Supporting Info

The First Enantioselective Biomimetic Cyclization of Polyprenoids Kazuaki Ishihara, Shingo Nakamura, and Hisashi Yamamoto pp 4906–4907 DOI: 10.1021/ja984064+ Supporting Info

Rapid Solid-Phase Synthesis of Oligo(1,4-phenylene ethynylene)s by a Divergent/Convergent Tripling Strategy Shenlin Huang and James M. Tour pp 4908–4909 DOI: 10.1021/ja984138h

Self-Assembled Inverted Micelles Prepared from a Dendrimer Template:  Phase Transfer of Encapsulated Guests Victor Chechik, Mingqi Zhao, and Richard M. Crooks pp 4910–4911 DOI: 10.1021/ja990445r Supporting Info

Photoresponsive Azobenzene-Containing Dendrimers with Multiple Discrete States Denise M. Junge and Dominic V. McGrath pp 4912–4913 DOI: 10.1021/ja990387+ Supporting Info

Redox-Modulated Recognition of Flavin by Functionalized Gold Nanoparticles Andrew K. Boal and Vincent M. Rotello pp 4914–4915 DOI: 10.1021/ja9905288 Supporting Info

Asymmetric Hydrogenation of Unfunctionalized Tetrasubstituted Olefins with a Cationic Zirconocene Catalyst Malisa V. Troutman, Daniel H. Appella, and Stephen L. Buchwald pp 4916–4917 DOI: 10.1021/ja990535w Supporting Info

1-Thio-1,2-O-isopropylidene Acetals:  Novel Precursors for the Synthesis of Complex C-Glycosides Noshena Khan, Xuhong Cheng, and David R. Mootoo pp 4918–4919 DOI: 10.1021/ja9843270 Supporting Info

Highly Enantioselective Heterogeneously Catalyzed Hydrogenation of α-Ketoesters under Mild Conditions C. LeBlond, J. Wang, J. Liu, A. T. Andrews, and Y.-K. Sun pp 4920–4921 DOI: 10.1021/ja990653j

Arene Complexes of Al(C6F5)3. Relationship to a Déjà Vu Silylium Ion Gregory S. Hair, Alan H. Cowley, Richard A. Jones, Brian G. McBurnett, and Andreas Voigt pp 4922–4923 DOI: 10.1021/ja9904336 Supporting Info

Total Synthesis of (−)-Hennoxazole A David R. Williams, Dawn A. Brooks, and Martin A. Berliner pp 4924–4925 DOI: 10.1021/ja9904686 Supporting Info

High Resolution K Capture X-ray Fluorescence Spectroscopy:  A New Tool for Chemical Characterization U. Bergmann, P. Glatzel, F. deGroot, and S. P. Cramer pp 4926–4927 DOI: 10.1021/ja984454w

Stereochemical Relationships between Encapsulated Molecules Fabio C. Tucci, Dmitry M. Rudkevich, and Julius Rebek, Jr. pp 4928–4929 DOI: 10.1021/ja9907358

Arriving at an Experimental Estimate of the Intrinsic Activation Barrier of Olefin Insertion into the Zr−C Bond of an Active Metallocene Ziegler Catalyst J. Am. Chem. Soc. 1998, 120, 5643−5652 Jörn Karl, Marc Dahlmann, Gerhard Erker, and Klaus Bergander p 4930 DOI: 10.1021/ja995510b

High-Performance Capillary Electrophoresis:  Theory, Techniques, and Applications Edited by Morteza G. Khaledi (North Carolina State University). Wiley Press:  New York. 1998. 1014 pp. $150.00. ISBN 0-471-14851-2. Christa L. Colyer pp 4930–4931 DOI: 10.1021/ja985694e

GC/MS:  A Practical User's Guide By Christopher McMaster and Marvin McMaster (University of Missouri, St. Louis). Wiley:  New York. 1998. 167 pp. $59.95. ISBN 0-471-24826-6. Mehdi Moini p 4931 DOI: 10.1021/ja9857460

Chemistry and Biology of Serpins Edited by Frank C. Church, Dennis D. Cunningham, David Ginsburg, Maureane Hoffman, Stuart R. Stone, and Douglas M. Tollefsen. Plenum Press:  New York. 1997. xvii + 358 pp. $95.00. ISBN 0-306-45698-2. Gerald Soslau pp 4931–4932 DOI: 10.1021/ja9856497

Issue 21

Effects of Surface Adsorption and Confinement on the Photochemical Selectivity of Previtamin D3 Adsorbed within Porous Sol−Gel Derived Alumina Forrest S. Schultz and Marc A. Anderson pp 4933–4940 DOI: 10.1021/ja9804767

Solution Structure of a Designed Four-α-Helix Bundle Maquette Scaffold Jack J. Skalicky, Brian R. Gibney, Francesc Rabanal, Ramona J. Bieber Urbauer, P. Leslie Dutton, and A. Joshua Wand pp 4941–4951 DOI: 10.1021/ja983309f Supporting Info

Iterative Protein Redesign Brian R. Gibney, Francesc Rabanal, Jack J. Skalicky, A. Joshua Wand, and P. Leslie Dutton pp 4952–4960 DOI: 10.1021/ja9833117

Rational Design of Sequence-Specific DNA Alkylating Agents Based on Duocarmycin A and Pyrrole−Imidazole Hairpin Polyamides Zhi-Fu Tao, Tsuyoshi Fujiwara, Isao Saito, and Hiroshi Sugiyama pp 4961–4967 DOI: 10.1021/ja983398w

Construction of Metal Sandwich Systems Derived from Assembly of Silver(I) Complexes with Polycyclic Aromatic Compounds Megumu Munakata, Liang Ping Wu, Gui Ling Ning, Takayoshi Kuroda-Sowa, Masahiko Maekawa, Yusaku Suenaga, and Naoto Maeno pp 4968–4976 DOI: 10.1021/ja983950h Supporting Info

Modulation of Esterase and Amidase Activity of Subtilisin Bacillus lentus by Chemical Modification of Cysteine Mutants Erika Plettner, Grace DeSantis, Michele R. Stabile, and J. Bryan Jones pp 4977–4981 DOI: 10.1021/ja9902266

Chiral Phosphoramide-Catalyzed Aldol Additions of Ketone Enolates. Preparative Aspects Scott E. Denmark, Robert A. Stavenger, Ken-Tsung Wong, and Xiping Su pp 4982–4991 DOI: 10.1021/ja984123j Supporting Info

Synthesis, Structure, and Ion Selective Complexation of Trans and Cis Isomers of Photochromic Dithia-18-crown-6 Ethers M. V. Alfimov, S. P. Gromov, Yu. V. Fedorov, O. A. Fedorova, A. I. Vedernikov, A. V. Churakov, L. G. Kuz'mina, J. A. K. Howard, S. Bossmann, A. Braun, M. Woerner, D. F. Sears, Jr., and J. Saltiel pp 4992–5000 DOI: 10.1021/ja990370r Supporting Info

The Allyl Leaving Group Approach to Tricoordinate Silyl, Germyl, and Stannyl Cations Joseph B. Lambert, Yan Zhao, Hongwei Wu, Winston C. Tse, and Barbara Kuhlmann pp 5001–5008 DOI: 10.1021/ja990389u Supporting Info

Synthesis and Photophysical Properties of Iridium(III) Bisterpyridine and Its Homologues:  a Family of Complexes with a Long-Lived Excited State Jean-Paul Collin, Isabelle M. Dixon, Jean-Pierre Sauvage, J. A. Gareth Williams, Francesco Barigelletti, and Lucia Flamigni pp 5009–5016 DOI: 10.1021/ja9833669 Supporting Info

Binding of Alkenes to ReS4- Jonathan T. Goodman and Thomas B. Rauchfuss pp 5017–5022 DOI: 10.1021/ja9843775 Supporting Info

Four-Electron Photochemistry of Dirhodium Fluorophosphine Compounds Alan F. Heyduk, Ann M. Macintosh, and Daniel G. Nocera pp 5023–5032 DOI: 10.1021/ja9902017 Supporting Info

Titanocene Borane σ-Complexes Clare N. Muhoro, Xiaoming He, and John F. Hartwig pp 5033–5046 DOI: 10.1021/ja9900757

Trapping-Mediated and Multilayer-Induced Dissociative Chemisorption of Cyclobutane on Ru(001) Michael J. Weiss, Christopher J. Hagedorn, and W. Henry Weinberg pp 5047–5055 DOI: 10.1021/ja983482b

Far-Infrared, Raman, and Dispersed Fluorescence Spectra, Vibrational Potential Energy Surface, and the Anomeric Effect of 1,3-Benzodioxole S. Sakurai, N. Meinander, K. Morris, and J. Laane pp 5056–5062 DOI: 10.1021/ja9844433

Photooxidation of 1-Alkenes in Zeolites:  A Study of the Factors that Influence Product Selectivity and Formation Y. Xiang, S. C. Larsen, and V. H. Grassian pp 5063–5072 DOI: 10.1021/ja984477a Supporting Info

Redox Switchable Fluorescent Probe Selective for Either Hg(II) or Cd(II) and Zn(II) Gunther Hennrich, Helmut Sonnenschein, and Ute Resch-Genger pp 5073–5074 DOI: 10.1021/ja983802r Supporting Info

Alkenyl and Aryl BoronatesMild Nucleophiles for the Stereoselective Formation of Functionalized N-Heterocycles Robert A. Batey, D. Bruce MacKay, and V. Santhakumar pp 5075–5076 DOI: 10.1021/ja983801z Supporting Info

Mutations of the Weak Axial Ligand in the Thermus CuA Center Modulates Its Electronic Structure Claire E. Slutter, Igor Gromov, John H. Richards, Israel Pecht, and Daniella Goldfarb pp 5077–5078 DOI: 10.1021/ja984361e

High Temporally and Spatially Resolved Thermal Energy Detection after Nonradiative Transition in Solution Using a Molecular Heater−Molecular Thermometer Integrated System Toshiya Okazaki, Noboru Hirota, Toshi Nagata, Atsuhiro Osuka, and Masahide Terazima pp 5079–5080 DOI: 10.1021/ja990331f

Chemical Synthesis and Preliminary Structural Characterization of a Nitrous Acid Interstrand Cross-Linked Duplex DNA Eric A. Harwood, Snorri Th. Sigurdsson, N. B. Fredrik Edfeldt, Brian R. Reid, and Paul B. Hopkins pp 5081–5082 DOI: 10.1021/ja984426d Supporting Info

Timing Is Critical:  Effect of Spin Changes on the Diastereoselectivity in Mn(salen)-Catalyzed Epoxidation Christian Linde, Björn Åkermark, Per-Ola Norrby, and Mats Svensson pp 5083–5084 DOI: 10.1021/ja9809915

α-Haloacetophenone Derivatives As Photoreversible Covalent Inhibitors of Protein Tyrosine Phosphatases Gulnur Arabaci, Xiao-Chuan Guo, Kirk D. Beebe, K. Mark Coggeshall, and Dehua Pei pp 5085–5086 DOI: 10.1021/ja9906756 Supporting Info

A Short Synthesis of the Potent Antitumor Agent (±)-Hydroxymethylacylfulvene Using an Allenic Pauson-Khand Type Cycloaddition Kay M. Brummond and Jianliang Lu pp 5087–5088 DOI: 10.1021/ja990426h Supporting Info

Bending Trisaccharides by a Chelation-Induced Ring Flip of a Hinge-Like Monosaccharide Unit Hideya Yuasa and Hironobu Hashimoto pp 5089–5090 DOI: 10.1021/ja984062p Supporting Info

Nonenzymatic Kinetic Resolution of Propargylic Alcohols by a Planar−Chiral DMAP Derivative:  Crystallographic Characterization of the Acylated Catalyst Beata Tao, J. Craig Ruble, Diego A. Hoic, and Gregory C. Fu pp 5091–5092 DOI: 10.1021/ja9906958 Supporting Info

Decomposition of Sodium Trioxodinitrate (Angeli's Salt) To Hydroxyl Radical: An ESR Spin-Trapping Study Detcho A. Stoyanovsky, Robert Clancy, and Arthur I. Cederbaum pp 5093–5094 DOI: 10.1021/ja990318v

Synthesis, X-ray Structure, and Electronic Properties of Oligosilanes Containing Pentacoordinate Silicon Moieties at Internal Positions Ibrahim El-Sayed, Yasuo Hatanaka, Chizuru Muguruma, Shigeru Shimada, Masato Tanaka, Nobuaki Koga, and Masuhiro Mikami pp 5095–5096 DOI: 10.1021/ja982943q Supporting Info

5,11-Dihydro-5,11-di-1-naphthylindolo[3,2-b]carbazole:  Atropisomerism in a Novel Hole-Transport Molecule for Organic Light-Emitting Diodes Nan-Xing Hu, Shuang Xie, Zoran Popovic, Beng Ong, and Ah-Mee HorSuning Wang pp 5097–5098 DOI: 10.1021/ja9906554 Supporting Info

Catalytic Asymmetric Aziridination with a Chiral VAPOL−Boron Lewis Acid Jon C. Antilla and William D. Wulff pp 5099–5100 DOI: 10.1021/ja9905187 Supporting Info

Introduction to Ionomers By Adi Eisenberg and Joon-Seop Kim (McGill University). Wiley-Interscience:  New York. 1998. xxi + 327 pp. $99.95. ISBN 0-471-24678-6. Brian Grady p 5101 DOI: 10.1021/ja985693m

Imaging of Exposed Headgroups and Tailgroups of Phospholipid Membranes by Mass Spectrometry J. Am. Chem. Soc. 1999, 121, 4716−4717 M. L. Pacholski, D. M. Cannon, Jr., A. G. Ewing, and Nicholas Winograd p 5101 DOI: 10.1021/ja9955159

Inorganic Syntheses. Volume 32. Continuing Advances in Ligand Design and Synthesis Edited by Marcetta Y. Darensbourg (Texas A&M University). John Wiley & Sons, Inc.:  New York. 1998. xxiii + 331 pp. $80.00. ISBN 0-471-24921-1. Stephen Fox pp 5101–5102 DOI: 10.1021/ja985698j

Applications of Anionic Polymerization Research. ACS Symposium Series 696. Developed from a symposium sponsored by the Division of Polymer Chemistry at the 212th National Meeting of the American Chemical Society. Orlando, Florida, August 25−29, 1996 Edited by Roderic P. Quirk (University of Akron). American Chemical Society:  Washington, DC. 1998. xii + 332 pp. $125.00. ISBN 0-8412-3565-1. Jacques Penelle p 5102 DOI: 10.1021/ja985744f

Second Supplements to the 2nd Edition of Rodd's Chemistry of Carbon Compounds. Vol. IV. Heterocyclic Compounds. Part F. Six-membered Heterocyclic Compounds with a Single Hetero-Atom in the Ring:  Pyridine, Quinoline, Isoquinoline and Their Derivatives. Part G. Six-membered Heterocyclic Compounds with (a) a Single Hetero-Atom in the Ring (contd):  Polycyclic Fused Ring Compounds, (b) an Atom of Phosphorus, Arsenic, Antimony or Bismuth. Alkaloids with a Six-membered Heterocyclic Ring. Part H. Six-membered Fused-Ring Heterocyclic Compounds with a Single Nitrogen Atom in the Ring (contd):  Monocyclic Ring Compounds with Two Hetero-Atoms in the Ring from Group VI B, or One Each from Groups V and VI B. Alkaloids (contd) Edited by M. Sainsbury. Elsevier:  New York. 1998. Parts F/G:  650 pp; $402.50; ISBN 0-444-82979-2. Parts G/H:  620 pp; $379.50; ISBN 0-444-82943-1. Philip D. Magnus p 5102 DOI: 10.1021/ja995681g

Issue 22

Change of the Hydrolytic Mechanism of 2-Hydroxy H-Phosphonodiesters in Aprotic Organic Media. cis-1,2-Diol Monoanions as Leaving Groups Svetomir B. Tzokov, Rositza T. Momtcheva, Nikolay G. Vassilev, Jose Kaneti, and Dimiter D. Petkov pp 5103–5107 DOI: 10.1021/ja982413u

Highly Regio- and Stereocontrolled Synthesis of Vinyl Sulfides via Transition-Metal-Catalyzed Hydrothiolation of Alkynes with Thiols Akiya Ogawa, Takuma Ikeda, Kouichi Kimura, and Toshikazu Hirao pp 5108–5114 DOI: 10.1021/ja983949i Supporting Info

Hydrogen−Deuterium Exchange of Streptavidin and Its Complex with Biotin Studied by 2D-Attenuated Total Reflection Fourier Transform Infrared Spectroscopy Stefan Meskers, Jean-Marie Ruysschaert, and Erik Goormaghtigh pp 5115–5122 DOI: 10.1021/ja984208k

Direct Detection of a Histidine−Histidine Side Chain Hydrogen Bond Important for Folding of Apomyoglobin Mirko Hennig and Bernhard H. Geierstanger pp 5123–5126 DOI: 10.1021/ja990340o Supporting Info

A Model for the Enzyme−Substrate Complex of DNA Photolyase and Photodamaged DNA Don B. Sanders and Olaf Wiest pp 5127–5134 DOI: 10.1021/ja982660y Supporting Info

Multifunctional Monolayer Assemblies for Reversible Direct Fluorescence Transduction of Protein−Ligand Interactions at Surfaces Michael M. A. Sekar, Philip D. Hampton, Tione Buranda, and Gabriel P. López pp 5135–5141 DOI: 10.1021/ja983912y

Influence of Secondary Structure on the Fragmentation of Protonated Peptides George Tsaprailis, Hari Nair, Árpád Somogyi, Vicki H. Wysocki, Wenqing Zhong, Jean H. Futrell, Scott G. Summerfield, and Simon J. Gaskell pp 5142–5154 DOI: 10.1021/ja982980h Supporting Info

Lewis Acid-Promoted Atom-Transfer Free Radical Additions Christopher L. Mero and Ned A. Porter pp 5155–5160 DOI: 10.1021/ja990477e Supporting Info

Cyclic α-Acetoxynitrosamines:  Mechanisms of Decomposition and Stability of α-Hydroxynitrosamine and Nitrosiminium Ion Reactive Intermediates Latifa Chahoua, Hongliang Cai, and James C. Fishbein pp 5161–5169 DOI: 10.1021/ja9902975

Ab Initio Quantum-Mechanical Study of the Stability of Cyclic α-Acetoxy-N-nitrosamines:  Amine N→NO Dative Bonding in α-Hydroxy-N-nitrosamines versus N→Carbocation Dative Bonding in N-Nitrosiminium Ions Rainer Glaser pp 5170–5175 DOI: 10.1021/ja990298x

Total Syntheses of (−)-Lycoricidine, (+)-Lycoricidine, and (+)-Narciclasine via 6-exo Cyclizations of Substituted Vinyl Radicals with Oxime Ethers Gary E. Keck, Travis T. Wager, and J. Felix Duarte Rodriquez pp 5176–5190 DOI: 10.1021/ja9826688

Synthesis of Alkyl-Terminated Silicon Nanoclusters by a Solution Route Chung-Sung Yang, Richard A. Bley, Susan M. Kauzlarich, Howard W. H. Lee, and Gildardo R. Delgado pp 5191–5195 DOI: 10.1021/ja9828509

Syntheses, NMR and EPR Spectroscopy, Electrochemical Properties, and Structural Studies of [5,10,15,20-Tetrakis(perfluoroalkyl)porphinato]iron(II) and -iron(III) Complexes Kevin T. Moore, James T. Fletcher, and Michael J. Therien pp 5196–5209 DOI: 10.1021/ja9816741 Supporting Info

Synthesis, Molecular Structures, and Properties of Six-Coordinate [Fe(OEP)(L)(NO)]+ Derivatives:  Elusive Nitrosyl Ferric Porphyrins Mary K. Ellison and W. Robert Scheidt pp 5210–5219 DOI: 10.1021/ja984308q Supporting Info

Does Chemistry Really Matter in the Chemical Vapor Deposition of Titanium Dioxide? Precursor and Kinetic Effects on the Microstructure of Polycrystalline Films Charles J. Taylor, David C. Gilmer, Daniel G. Colombo, G. D. Wilk, Stephen A. Campbell, Jeff Roberts, and Wayne L. Gladfelter pp 5220–5229 DOI: 10.1021/ja984446f

Crystal Structure of a Synthetic High-Valent Complex with an Fe2(μ-O)2 Diamond Core. Implications for the Core Structures of Methane Monooxygenase Intermediate Q and Ribonucleotide Reductase Intermediate X Hua-Fen Hsu, Yanhong Dong, Lijin Shu, Victor G. Young, Jr., and Lawrence Que, Jr. pp 5230–5237 DOI: 10.1021/ja983666q Supporting Info

Site Connectivities in Amorphous Materials Studied by Double-Resonance NMR of Quadrupolar Nuclei:  High-Resolution 11B ↔ 27Al Spectroscopy of Aluminoborate Glasses Jerry C. C. Chan, Marko Bertmer, and Hellmut Eckert pp 5238–5248 DOI: 10.1021/ja983385i

Two-Dimensional Deuterium NMR Spectroscopy of Chiral Molecules Oriented in a Polypeptide Liquid Crystal: Applications for the Enantiomeric Analysis through Natural Abundance Deuterium NMR Denis Merlet, Bernard Ancian, Jacques Courtieu, and Philippe Lesot pp 5249–5258 DOI: 10.1021/ja9837699

High Affinity Surface Binding of a Strongly Dimerizing Vancomycin-Group Antibiotic to a Model of Resistant Bacteria Dominic P. O'Brien, Richard M. H. Entress, Matthew A. Cooper, Simon W. O'Brien, Andrew Hopkinson, and Dudley H. Williams pp 5259–5265 DOI: 10.1021/ja9839769

Inversion of Methane on Transition-Metal Complexes:  A Possible Mechanism for Inversion of Stereochemistry Kazunari Yoshizawa, Akiya Suzuki, and Tokio Yamabe pp 5266–5273 DOI: 10.1021/ja9839318 Supporting Info

Microcontact Printing of Lipophilic Self-Assembled Monolayers for the Attachment of Biomimetic Lipid Bilayers to Surfaces A. Toby A. Jenkins, Neville Boden, Richard. J. Bushby, Stephen. D. Evans, Peter. F. Knowles, Robert. E. Miles, Simon. D. Ogier, Holger Schönherr, and G. Julius Vancso pp 5274–5280 DOI: 10.1021/ja983968s

Modeling Buckminsterfullerene Spinning in (C60)n Clusters Michael S. Deleuze and Francesco Zerbetto pp 5281–5286 DOI: 10.1021/ja980846r

Observation of the Photorefractive Effect in a Hybrid Organic−Inorganic Nanocomposite Jeffrey G. Winiarz, Liangmin Zhang, Manjari Lal, Christopher S. Friend, and Paras N. Prasad pp 5287–5295 DOI: 10.1021/ja983559w

Femtosecond Spectroscopic Study of MLCT Excited-State Dynamics of Cr(CO)4(bpy): Excitation-Energy-Dependent Branching between CO Dissociation and Relaxation Ian R. Farrell, Pavel Matousek, and Antonín Vlek, Jr. pp 5296–5301 DOI: 10.1021/ja984350l

Single-Molecule Magnet Behavior of a Tetranuclear Iron(III) Complex. The Origin of Slow Magnetic Relaxation in Iron(III) Clusters A. L. Barra, A. Caneschi, A. Cornia, F. Fabrizi de Biani, D. Gatteschi, C. Sangregorio, R. Sessoli, and L. Sorace pp 5302–5310 DOI: 10.1021/ja9818755 Supporting Info

Investigating the Kinetics of Homogeneous Hydrogenation Reactions Using PHIP NMR Spectroscopy Patrick Hübler, Ralf Giernoth, Günther Kümmerle, and Joachim Bargon pp 5311–5318 DOI: 10.1021/ja984353y

Control of Monolayer Assembly Structure by Hydrogen Bonding Rather Than by Adsorbate−Substrate Templating Robert S. Clegg and James E. Hutchison pp 5319–5327 DOI: 10.1021/ja9901011

Isomerization of Tricyclo[3.2.2.02,4]nona-2(4),6-diene to the Anti-Bredt Compound 8-Methylenebicyclo[3.2.1]octa-1,6-diene Gon-Ann Lee, Yu-Hsien Lin, Ai Ni Huang, Yi Ching Li, Yih-Chyn Jann, and Chi-Sheng Chen pp 5328–5329 DOI: 10.1021/ja983199c Supporting Info

Novel Anionic Cyclization of N-Aziridinylimines. An Efficient Route to Carbocycles via Consecutive Carbon−Carbon Bond Formation Approach Sunggak Kim, Dong Hyun Oh, Joo-Yong Yoon, and Jae Ho Cheong pp 5330–5331 DOI: 10.1021/ja990022p Supporting Info

Canastanes:  Ab Initio Quantum Mechanical Prediction of New Curved Polynuclear Aromatic Hydrocarbon Motif Kim K. Baldridge and Jay S. Siegel pp 5332–5333 DOI: 10.1021/ja983744+

Torsional and Steric Effects Control the Stereoselectivities of Alkylations of Pyrrolidinone Enolates Kaori Ando, Nora S. Green, Yi Li, and K. N. Houk pp 5334–5335 DOI: 10.1021/ja982791z

Detecting Binding Affinity to Immobilized Receptor Proteins in Compound Libraries by HR-MAS STD NMR Jens Klein, Robert Meinecke, Moriz Mayer, and Bernd Meyer pp 5336–5337 DOI: 10.1021/ja990706x

Nuclear Overhauser Effect on Diffusion Measurements Aidi Chen and Michael Shapiro pp 5338–5339 DOI: 10.1021/ja990541s

Charge-Transfer Complexes and Energetic Disorder in Amorphous Organic Solids Timothy A. Rhodes, Samir Farid, Joshua L. Goodman, Ian R. Gould, and Ralph H. Young pp 5340–5341 DOI: 10.1021/ja983586m Supporting Info

Magnetization Density in an Iron(III) Magnetic Cluster. A Polarized Neutron Investigation Yves Pontillon, Andrea Caneschi, Dante Gatteschi, Roberta Sessoli, Eric Ressouche, Jacques Schweizer, and Eddy Lelievre-Berna pp 5342–5343 DOI: 10.1021/ja9903126

Conversion of a Flavoprotein Reductase to a Desaturase by Manipulation of the Flavin Redox Potential Yerramilli V. S. N. Murthy, Younus Meah, and Vincent Massey pp 5344–5345 DOI: 10.1021/ja990908t

Compensating for Variations in 1H−13C Scalar Coupling Constants in Isotope-Filtered NMR Experiments Ashley C. Stuart, Kris A. Borzilleri, Jane M. Withka, and Arthur G. Palmer III pp 5346–5347 DOI: 10.1021/ja984172w

Transition Metal-Catalyzed [5 + 2] Cycloadditions of Allenes and Vinylcyclopropanes:  First Studies of Endo−Exo Selectivity, Chemoselectivity, Relative Stereochemistry, and Chirality Transfer Paul A. Wender, Frank Glorius, Craig O. Husfeld, Elke Langkopf, and Jennifer A. Love pp 5348–5349 DOI: 10.1021/ja9903072 Supporting Info

Synthesis and Structure of an Unusual Zirconium Hydride Amide Complex. Mechanistic Studies of the Reactions of Transition-Metal Amides with Silanes Xiaozhan Liu, Zhongzhi Wu, Zhihui Peng, Yun-Dong Wu, and Ziling Xue pp 5350–5351 DOI: 10.1021/ja984324n Supporting Info

Chemistry, Structure, and Bonding of Zintl Phases and Ions Edited by Susan M. Kauzlarich. VCH:  New York. 1996. v + 306 pp. ISBN 1-56081-900-6. Bryan Eichhorn p 5352 DOI: 10.1021/ja985653i

Encyclopedia of Toxicology Edited by Philip Wexler (National Institutes of Health). Academic Press:  San Diego and London. 1998. Three volumes:  xxvi + 605 pp, xv + 614 pp, and xv + 486 pp. $499.95. ISBN 0-12-227220-X. Eugene A. Mash p 5352 DOI: 10.1021/ja985672s

Mapping the Potential Energy Surfaces of the 1,6-Diphenyl-1,3,5-hexatriene Ground and Triplet States J. Am. Chem. Soc. 1999, 121, 895−902 Jack Saltiel, Janell M. Crowder, and Shujun Wang p 5352 DOI: 10.1021/ja9955114

Issue 23

Elucidation of Mechanism of Inhibition and X-ray Structure of the TEM-1 β-Lactamase from Escherichia coli Inhibited by a N-Sulfonyloxy-β-lactam Peter Swarén, Irina Massova, John R. Bellettini, Alexey Bulychev, Laurent Maveyraud, Lakshmi P. Kotra, Marvin J. Miller, Shahriar Mobashery, and Jean-Pierre Samama pp 5353–5359 DOI: 10.1021/ja990400q

Insertion of Methylene Units into the Turn Segment of Designed β-Hairpin Peptides S. C. Shankaramma, S. Kumar Singh, Aruna Sathyamurthy, and P. Balaram pp 5360–5363 DOI: 10.1021/ja990412b

Kinetics of RNA Degradation by Specific Base Catalysis of Transesterification Involving the 2‘-Hydroxyl Group Yingfu Li and Ronald R. Breaker pp 5364–5372 DOI: 10.1021/ja990592p

Mesoscale Self-Assembly of Hexagonal Plates Using Lateral Capillary Forces:  Synthesis Using the “Capillary Bond” Ned Bowden, Insung S. Choi, Bartosz A. Grzybowski, and George M. Whitesides pp 5373–5391 DOI: 10.1021/ja983882z Supporting Info

Simulation of STM Images from Commercially Available Software Giorgio Orlandi, Alessandro Troisi, and Francesco Zerbetto pp 5392–5395 DOI: 10.1021/ja983643b

Theoretical Characterization of Olefin Metathesis in the Bis-dicyclopentadienyltitanium(IV) System by Density Functional Theory Frank U. Axe and Jan W. Andzelm pp 5396–5402 DOI: 10.1021/ja980167g

Molecular Dynamics Simulation of the α-d-Manp-(1 → 3)- β-d-Glcp-OMe Disaccharide in Water and Water/DMSO Solution Aleksey Vishnyakov, Göran Widmalm, Jozef Kowalewski, and Aatto Laaksonen pp 5403–5412 DOI: 10.1021/ja9835180

Cyclization Phenomena in the Sol−Gel Polymerization of α,ω-Bis(triethoxysilyl)alkanes and Incorporation of the Cyclic Structures into Network Silsesquioxane Polymers Douglas A. Loy, Joseph P. Carpenter, Todd M. Alam, Raef Shaltout, Peter K. Dorhout, John Greaves, James H. Small, and Kenneth J. Shea pp 5413–5425 DOI: 10.1021/ja982751v Supporting Info

Novel Recognition of Thymine Base in Double-Stranded DNA by Zinc(II)−Macrocyclic Tetraamine Complexes Appended with Aromatic Groups Emiko Kikuta, Mariko Murata, Naomi Katsube, Tohru Koike, and Eiichi Kimura pp 5426–5436 DOI: 10.1021/ja983884j

Designed Two-Dimensional DNA Holliday Junction Arrays Visualized by Atomic Force Microscopy Chengde Mao, Weiqiong Sun, and Nadrian C. Seeman pp 5437–5443 DOI: 10.1021/ja9900398

1,2-Shifts of Hydrogen Atoms in Aryl Radicals Michele A. Brooks and Lawrence T. Scott pp 5444–5449 DOI: 10.1021/ja984472d Supporting Info

Mechanism of Palladium Complex-Catalyzed Enantioselective Mannich-Type Reaction:  Characterization of A Novel Binuclear Palladium Enolate Complex Akio Fujii, Emiko Hagiwara, and Mikiko Sodeoka pp 5450–5458 DOI: 10.1021/ja9902827 Supporting Info

SPOCC:  A Resin for Solid-Phase Organic Chemistry and Enzymatic Reactions on Solid Phase Jörg Rademann, Morten Grøtli, Morten Meldal, and Klaus Bock pp 5459–5466 DOI: 10.1021/ja984355i Supporting Info

Enantiodivergent Total Syntheses of (+)- and (−)-Scopadulcic Acid A Martin E. Fox, Chi Li, Joseph P. Marino, Jr., and Larry E. Overman pp 5467–5480 DOI: 10.1021/ja990404v Supporting Info

Synthesis, X-ray Structure, and Electrochemical and Excited-State Properties of Multicomponent Complexes Made of a [Ru(Tpy)2]2+ Unit Covalently Linked to a [2]-Catenate Moiety. Controlling the Energy-Transfer Direction by Changing the Catenate Metal Ion Diego J. Cárdenas, Jean-Paul Collin, Pablo Gaviña, Jean-Pierre Sauvage, André De Cian, Jean Fischer, Nicola Armaroli, Lucia Flamigni, Veronica Vicinelli, and Vincenzo Balzani pp 5481–5488 DOI: 10.1021/ja990036v Supporting Info

High-Spin Molecules:  Hexanuclear MnIII Clusters with [Mn6O4X4]6+ (X = Cl-, Br-) Face-Capped Octahedral Cores and S = 12 Ground States Guillem Aromí, Michael J. Knapp, Juan-Pablo Claude, John C. Huffman, David N. Hendrickson, and George Christou pp 5489–5499 DOI: 10.1021/ja983446c Supporting Info

Direct Observation of the Ferric-Porphyrin Cation Radical as an Intermediate in the Phototriggered Oxidation of Ferric- to Ferryl-Heme Tethered to Ru(bpy)3 in Reconstituted Myoglobin Itaru Hamachi, Shinya Tsukiji, Seiji Shinkai, and Shigero Oishi pp 5500–5506 DOI: 10.1021/ja984199f Supporting Info

Three-Electron Binding between Carbonyl-like Compounds and Ammonia Radical Cation. Comparison with the Hydrogen Bonded Complex Stéphane Humbel, Isabelle Côte, Norbert Hoffmann, and James Bouquant pp 5507–5512 DOI: 10.1021/ja990323z Supporting Info

Current Density Maps, Magnetizability, and Nuclear Magnetic Shielding Tensors for Anthracene, Phenanthrene, and Triphenylene Andrea Ligabue, Ugo Pincelli, Paolo Lazzeretti, and Riccardo Zanasi pp 5513–5518 DOI: 10.1021/ja9900656 Supporting Info

Nanosecond Molecular Dynamics Simulations of Parallel and Antiparallel Guanine Quadruplex DNA Molecules Nad'a Špaková, Imre Berger, and Jiří Šponer pp 5519–5534 DOI: 10.1021/ja984449s

Potential Energy Hypersurfaces of Nucleotide Sugars:  Ab Initio Calculations, Force-Field Parametrization, and Exploration of the Flexibility Pavla Petrová, Jaroslav Koa, and Anne Imberty pp 5535–5547 DOI: 10.1021/ja983854g Supporting Info

Mechanism of Alkaline Hydrolysis of Cyclic and Acyclic Sulfates:  An ab Initio Study with Solvation Correction Xabier Lopez, Annick Dejaegere, and Martin Karplus pp 5548–5558 DOI: 10.1021/ja984193q Supporting Info

Computation of Physical Chirality:  An Assessment of Orbital Desymmetrization Induced by Common Chiral Auxiliaries Kenny B. Lipkowitz, Daquan Gao, and Omer Katzenelson pp 5559–5564 DOI: 10.1021/ja990270l

Using Electrons Stored on Quantized Capacitors in Electron Transfer Reactions Jeremy J. Pietron, Jocelyn F. Hicks, and Royce W. Murray pp 5565–5570 DOI: 10.1021/ja990320m

Alanine Is an Intrinsic α-Helix Stabilizing Amino Acid Erik J. Spek, C. Anders Olson, Zhengshuang Shi, and Neville R. Kallenbach pp 5571–5572 DOI: 10.1021/ja990056x Supporting Info

Alkyl Isocyanide-Derivatized Platinum Nanoparticles Sarah L. Horswell, Christopher J. Kiely, Ian A. O'Neil, and David J. Schiffrin pp 5573–5574 DOI: 10.1021/ja984284n Supporting Info

A Rationally Designed Turn-Helix Peptide M. Dhanasekaran, F. Fabiola, V. Pattabhi, and S. Durani pp 5575–5576 DOI: 10.1021/ja984237v Supporting Info

Competitive Intermolecular Energy Transfer and Electron Injection at Sensitized Semiconductor Interfaces Fereshteh Farzad, David W. Thompson, Craig A. Kelly, and Gerald J. Meyer pp 5577–5578 DOI: 10.1021/ja9908873

Lanthanide Triflates Catalyze Mn(III)-Based Oxidative Radical Cyclization Reactions. Enantioselective Synthesis of (−)-Triptolide, (−)-Triptonide, and (+)-Triptophenolide Dan Yang, Xiang-Yang Ye, Shen Gu, and Ming Xu pp 5579–5580 DOI: 10.1021/ja9901664 Supporting Info

Antiferromagnetic Organic Metal Exhibiting Superconducting Transition, κ-(BETS)2FeBr4 [BETS = Bis(ethylenedithio)tetraselenafulvalene] Emiko Ojima, Hideki Fujiwara, Kiyonori Kato, and Hayao KobayashiHisashi Tanaka and Akiko KobayashiMadoka TokumotoPatrick Cassoux pp 5581–5582 DOI: 10.1021/ja990894r

Exogenous Substrate Reactivity with a [Cu(III)2O2]2+ Core:  Structural Implications Viswanath Mahadevan, Jennifer L. DuBois, Britt Hedman, Keith O. Hodgson, and T. D. P. Stack pp 5583–5584 DOI: 10.1021/ja983635v Supporting Info

The Catalytic Reduction of Azides and Hydrazines Using High-Valent Organouranium Complexes R. Gregory Peters, Benjamin P. Warner, and Carol J. Burns pp 5585–5586 DOI: 10.1021/ja9844581

Nanocrystal Metal Oxide−Chlorine Adducts:  Selective Catalysts for Chlorination of Alkanes Naijian Sun and Kenneth J. Klabunde pp 5587–5588 DOI: 10.1021/ja990084f

Synthesis of (−)-Fumagillin Douglass F. Taber, Thomas E. Christos, Arnold L. Rheingold, and Ilia A. Guzei pp 5589–5590 DOI: 10.1021/ja990784k Supporting Info

Formation of Silazirconacyclopentene via Zirconium−Silene Complex and Alkyne Miwako Mori, Shinji Kuroda, and Fumiko Dekura pp 5591–5592 DOI: 10.1021/ja984137p Supporting Info

Sol−Gel Synthesis of KVII[CrIII(CN)6]·2H2O:  A Crystalline Molecule-Based Magnet with a Magnetic Ordering Temperature above 100 °C Stephen M. Holmes and Gregory S. Girolami pp 5593–5594 DOI: 10.1021/ja990946c

Superior Fe-ZSM-5 Catalyst for Selective Catalytic Reduction of Nitric Oxide by Ammonia Richard Q. Long and Ralph T. Yang pp 5595–5596 DOI: 10.1021/ja9842262

Biosynthesis of a Head-to-Tail Cyclized Protein with Improved Biological Activity Julio A. Camarero and Tom W. Muir pp 5597–5598 DOI: 10.1021/ja990929n Supporting Info

A Highly Selective Fluorescent Chemosensor for K+ from a Bis-15-Crown-5 Derivative Wen-Sheng Xia, Russell H. Schmehl, and Chao-Jun Li pp 5599–5600 DOI: 10.1021/ja984462c

An Icosahedral Array of Methyl Groups Supported by an Aromatic Borane Scaffold:  The [closo-B12(CH3)12]2- Ion Toralf Peymann, Carolyn B. Knobler, and M. Frederick Hawthorne pp 5601–5602 DOI: 10.1021/ja990884q Supporting Info

Mechanism of the Rearrangement of Vinyl Allene Oxide to 2-Cyclopenten-1-one B. Andes Hess, Jr., Lidia Smentek, Alan R. Brash, and Jin Kun Cha pp 5603–5604 DOI: 10.1021/ja990728j Supporting Info

Relative and Absolute Stereochemistry of Mycalolides, Bioactive Macrolides from the Marine Sponge Mycale magellanica1 Shigeki Matsunaga, Ping Liu, Cassandra A. Celatka, James S. Panek, and Nobuhiro Fusetani pp 5605–5606 DOI: 10.1021/ja990817w Supporting Info

A New Approach for the Design of Supramolecular Recognition Units:  Hydrogen-Bonded Molecular Duplexes Bing Gong, Yinfa Yan, Huaqiang Zeng, Ewa Skrzypczak-Jankunn, Yong Wah Kim, Jin Zhu, and Harold Ickes pp 5607–5608 DOI: 10.1021/ja990904o Supporting Info

Effects of C2‘-Substitution on Arabinonucleic Acid Structure and Conformation Divi Venkateswarlu and David M. Ferguson pp 5609–5610 DOI: 10.1021/ja990870k Supporting Info

Bucky Light Bulbs:  White Light Electroluminescence from a Fluorescent C60 Adduct−Single Layer Organic LED K. Hutchison, J. Gao, G. Schick, Y. Rubin, and F. Wudl pp 5611–5612 DOI: 10.1021/ja990608b

Solution- and Solid-State Evidence for Alkali Metal Cation−π Interactions with Indole, the Side Chain of Tryptophan Stephen L. De Wall, Eric S. Meadows, Leonard J. Barbour, and George W. Gokel pp 5613–5614 DOI: 10.1021/ja9907921 Supporting Info

Protein-Modulated DNA Electron Transfer Scott R. Rajski, Sanjay Kumar, Richard J. Roberts, and Jacqueline K. Barton pp 5615–5616 DOI: 10.1021/ja9900813

Spin labeling. The Next Millennium. Vol. 14. Biological Magnetic Resonance By Lawrence J. Berliner (Ohio State University). Plenum Press:  New York and London. 1998. xvii + 423 pp. $125.00. ISBN 0-306-45644-3. Gary L. Powell p 5617 DOI: 10.1021/ja985764h

Scanning Probe Microscopy of Polymers Edited by Buddy Ratner and Vladimir V. Tsukruk. American Chemical Society:  Washington, DC. 1998. 384 pages. $125.00. ISBN 0-8412-3562-7. Curtis Shannon pp 5617–5618 DOI: 10.1021/ja985739b

Matrix-Isolation Techniques:  A Practical Approach. The Practical Approach in Chemistry Series By Ian R. Dunkin (University of Strathclyde). Oxford Press:  New York. 1998. 242 pp. $105.00. ISBN 0-19-855863-5. Stephan B. H. Bach p 5618 DOI: 10.1021/ja9857099

Expanded, Contracted & Isomeric Porphyrins By Jonathan L. Sessler and Steven J. Weghorn (University of Texas at Austin). Pergamon Press:  New York. 1997. 503 pp. $48.50. ISBN 0-08-042093-1. Stefan Matile p 5618 DOI: 10.1021/ja985779f

Issue 24

Biosynthesis of Phenazine Antibiotics in Streptomyces antibioticus:  Stereochemistry of Methyl Transfer from Carbon-2 of Acetate Matthew McDonald, Barrie Wilkinson, Clinton W. Van't Land, Ulla Mocek, Sungsook Lee, and Heinz G. Floss pp 5619–5624 DOI: 10.1021/ja991159i

Mechanism of Photosolvolytic Rearrangement of p-Hydroxyphenacyl Esters:  Evidence for Excited-State Intramolecular Proton Transfer as the Primary Photochemical Step Kai Zhang, John E. T. Corrie, V. Ranjit N. Munasinghe, and Peter Wan pp 5625–5632 DOI: 10.1021/ja984187u

A Self-Destroying Polycationic Polymer:  Biodegradable Poly(4-hydroxy-l-proline ester) Yong-beom Lim, Young Hun Choi, and Jong-sang Park pp 5633–5639 DOI: 10.1021/ja984012k

Titanocene-Catalyzed Asymmetric Ketone Hydrosilylation:  The Effect of Catalyst Activation Protocol and Additives on the Reaction Rate and Enantioselectivity Jaesook Yun and Stephen L. Buchwald pp 5640–5644 DOI: 10.1021/ja990450v

Binding-Induced Activation of DNA Alkylation by Duocarmycin SA:  Insights from the Structure of an Indole Derivative−DNA Adduct Jason R. Schnell, Randal R. Ketchem, Dale L. Boger, and Walter J. Chazin pp 5645–5652 DOI: 10.1021/ja983556j Supporting Info

An Asymmetric Aldol−Ring-Closing Metathesis Strategy for the Enantioselective Construction of Oxygen Heterocycles:  An Efficient Approach to the Enantioselective Synthesis of (+)-Laurencin Michael T. Crimmins and Allison L. Choy pp 5653–5660 DOI: 10.1021/ja990421k Supporting Info

Structure and Total Synthesis of HF-7, a Neuroactive Glyconucleoside Disulfate from the Funnel-Web Spider Hololena curta Jinping McCormick, Yingbo Li, Kevin McCormick, Howard I. Duynstee, Anke K. van Engen, Gijs A. van der Marel, Bruce Ganem, Jacques H. van Boom, and Jerrold Meinwald pp 5661–5665 DOI: 10.1021/ja990274q Supporting Info

Vapor-Phase Photochemistry of Dimethylpyridines James W. Pavlik, Naod Kebede, Michael Thompson, A. Colin Day, and John A. Barltrop pp 5666–5673 DOI: 10.1021/ja990773r

Thermodynamics of C−H Activation in Multiple Oxidation States:  Comparison of Benzylic C−H Acidities and C−H Bond Dissociation Energies in the Isostructural 16−20-Electron Complexes [Fex(η5-C5R5)(η6-arene)]n, x = 0−IV, R = H or Me, n = −1 to +3 Hernando A. Trujillo, Carmen M. Casado, Jaime Ruiz, and Didier Astruc pp 5674–5686 DOI: 10.1021/ja984101x Supporting Info

Role of the Terminal Atoms in the Donor−Acceptor Complexes MX3−D (M = Al, Ga, In; X = F, Cl, Br, I; D = YH3, YX3, X-; Y = N, P, As) Alexey Y. Timoshkin, Andrew V. Suvorov, Holger F. Bettinger, and Henry F. Schaefer III pp 5687–5699 DOI: 10.1021/ja983408t Supporting Info

Toward a Consistent Mechanism for Diol Dehydratase Catalyzed Reactions:  An Application of the Partial-Proton-Transfer Concept David M. Smith, Bernard T. Golding, and Leo Radom pp 5700–5704 DOI: 10.1021/ja990209g Supporting Info

Discrimination of Rotamers of Aryl Alcohol Homologues by Infrared−Ultraviolet Double-Resonance Spectroscopy in a Supersonic Jet Nikhil Guchhait, Takayuki Ebata, and Naohiko Mikami pp 5705–5711 DOI: 10.1021/ja9829618

Theoretical Study of Base-Catalyzed Amide Hydrolysis:  Gas- and Aqueous-Phase Hydrolysis of Formamide Dirk Bakowies and Peter A. Kollman pp 5712–5726 DOI: 10.1021/ja9837349 Supporting Info

Structure, Mobility, and Interface Characterization of Self-Organized Organic−Inorganic Hybrid Materials by Solid-State NMR Susan M. De Paul, Josef W. Zwanziger, Ralph Ulrich, Ulrich Wiesner, and Hans W. Spiess pp 5727–5736 DOI: 10.1021/ja984389q

A Simple Electrostatic Model for Trisilylamine:  Theoretical Examinations of the n→σ* Negative Hyperconjugation, pπ→dπ Bonding, and Stereoelectronic Interaction Yirong Mo, Yongqing Zhang, and Jiali Gao pp 5737–5742 DOI: 10.1021/ja9904742 Supporting Info

Effect of Protein Microenvironment on Tyrosyl Radicals. A High-Field (285 GHz) EPR, Resonance Raman, and Hybrid Density Functional Study Anabella Ivancich, Tony A. Mattioli, and Sun Un pp 5743–5753 DOI: 10.1021/ja990562m

Why Does the Reaction of the Dihydrogen Molecule with [P2N2]Zr(μ-η2-N2)Zr[P2N2] Produce [P2N2]Zr(μ-η2-N2H)Zr[P2N2](μ-H) but Not the Thermodynamically More Favorable [P2N2]Zr(μ-NH)2Zr[P2N2]? A Theoretical Study Harold Basch, Djamaladdin G. Musaev, and Keiji Morokuma pp 5754–5761 DOI: 10.1021/ja984408w

NMR, Relaxometric, and Structural Studies of the Hydration and Exchange Dynamics of Cationic Lanthanide Complexes of Macrocyclic Tetraamide Ligands Silvio Aime, Alessandro Barge, James I. Bruce, Mauro Botta, Judith A. K. Howard, Janet M. Moloney, David Parker, Alvaro S. de Sousa, and Mark Woods pp 5762–5771 DOI: 10.1021/ja990225d Supporting Info

Ground- and Excited-State Reactions of Norbornene and Isomers: A CASSCF Study and Comparison with Femtosecond Experiments Sarah Wilsey, K. N. Houk, and A. H. Zewail pp 5772–5786 DOI: 10.1021/ja983480r Supporting Info

Deuterium-MAS NMR Spectroscopy on Oriented Membrane Proteins:  Applications to Photointermediates of Bacteriorhodopsin Clemens Glaubitz, Ian J. Burnett, Gerhard Gröbner, A. James Mason, and Anthony Watts pp 5787–5794 DOI: 10.1021/ja990350p

myo-Inositol 1-Phosphate Synthase:  Does a Single Active-Site Amino Acid Catalyze Multiple Proton Transfers? Feng Tian, Marie E. Migaud, and J. W. Frost pp 5795–5796 DOI: 10.1021/ja9900196 Supporting Info

Synthesis of Group 4 Complexes that Contain the Diamidoamine Ligands, [(2,4,6-Me3C6H2NCH2CH2)2NR]2- ([Mes2N2NR]2-; R = H or CH3), and Polymerization of 1-Hexene by Activated [Mes2N2NR]ZrMe2 Complexes Lan-Chang Liang, Richard R. Schrock, William M. Davis, and David H. McConville pp 5797–5798 DOI: 10.1021/ja983636n Supporting Info

A Potent Transition-State Analogue Inhibitor of Escherichia coli Asparagine Synthetase A Mitsuteru Koizumi, Jun Hiratake, Toru Nakatsu, Hiroaki Kato, and Jun'ichi Oda pp 5799–5800 DOI: 10.1021/ja990851a Supporting Info

Cascade of Molecular Order by Sequential Self-Organization, Induced Orientation, and Order Transfer Processes Isaac K. Iverson and Suk-Wah Tam-Chang pp 5801–5802 DOI: 10.1021/ja983803j Supporting Info

11,12-Difluororhodopsin and Related Odd-Numbered Fluororhodopsins. The Use of JF,F for Following a Cis−trans Isomerization Process Leticia U. Colmenares, Xiang-long Zou, Jin Liu, Alfred E. Asato and Robert S. H. LiuAngel R. de Lera and Rosana Alvarez pp 5803–5804 DOI: 10.1021/ja990495w

Novel Metal−Carbon Multiply Bonded Twelve-Electron Complexes of Ti and Zr Supported by a Bis(Phosphoranimine) Chelate Ronald G. Cavell, Ruppa P. Kamalesh Babu, Aparna Kasani, and Robert McDonald pp 5805–5806 DOI: 10.1021/ja984087o Supporting Info

First Iminodiazaphospholidines with a Stereogenic Phosphorus Center. Application to Asymmetric Copper-Catalyzed Cyclopropanation Jean Michel Brunel, Olivier Legrand, Sébastien Reymond, and Gérard Buono pp 5807–5808 DOI: 10.1021/ja984295g Supporting Info

X-ray Analysis of Structural Changes in Photochromic Salicylideneaniline Crystals. Solid-State Reaction Induced by Two-Photon Excitation Jun Harada, Hidehiro Uekusa, and Yuji Ohashi pp 5809–5810 DOI: 10.1021/ja9842969 Supporting Info

Enantiocontrolled [5 + 2] Cycloaddition to η3-Pyranylmolybdenum π-Complexes. Synthesis of Substituted Oxabicyclo[3.2.1]octenes of High Enantiopurity Jingjun Yin and Lanny S. Liebeskind pp 5811–5812 DOI: 10.1021/ja990729b Supporting Info

2-Aryl-4,4,8-trimethyl-2-phosphabicyclo[3.3.0]octanes:  Reactive Chiral Phosphine Catalysts for Enantioselective Acylation Edwin Vedejs and Olafs Daugulis pp 5813–5814 DOI: 10.1021/ja990133o Supporting Info

Derivation of the Bound-State Conformation of a Ligand in a Weakly Aligned Ligand−Protein Complex Hiroki Shimizu, Art Donohue-Rolfe, and Steve W. Homans pp 5815–5816 DOI: 10.1021/ja990586t

Hot Spot Conditions during Cavitation in Water Yuri T. Didenko, William B. McNamara III, and Kenneth S. Suslick pp 5817–5818 DOI: 10.1021/ja9844635

Nickel on Charcoal (“Ni/C”):  An Expedient and Inexpensive Heterogeneous Catalyst for Cross-Couplings between Aryl Chlorides and Organometallics. I. Functionalized Organozinc Reagents Bruce H. Lipshutz and Peter A. Blomgren pp 5819–5820 DOI: 10.1021/ja990432d Supporting Info

Highly Stereospecific, Cross-Coupling Reactions of Alkenylsilacyclobutanes Scott E. Denmark and Jun Young Choi pp 5821–5822 DOI: 10.1021/ja9908117 Supporting Info

Biomimetic Modeling of the First Substrate Reaction at the Active Site of Ribonucleotide Reductases. Abstraction of H3‘ by a Thiyl Free Radical1 Morris J. Robins and Gregory J. Ewing pp 5823–5824 DOI: 10.1021/ja984399r Supporting Info

Role of l-3,4-Dihydroxyphenylalanine in Mussel Adhesive Proteins Miaoer Yu, Jungyeon Hwang, and Timothy J. Deming pp 5825–5826 DOI: 10.1021/ja990469y Supporting Info

Palladium-Catalyzed Cocyclization of Arynes with Alkynes:  Selective Synthesis of Phenanthrenes and Naphthalenes Diego Peña, Dolores Pérez, Enrique Guitián, and Luis Castedo pp 5827–5828 DOI: 10.1021/ja9907111 Supporting Info

A Rationally Designed Inhibitor of α-1,3-Galactosyltransferase Yong Jip Kim, Mie Ichikawa, and Yoshitaka Ichikawa pp 5829–5830 DOI: 10.1021/ja9905391 Supporting Info

Catalysis for Catalysis:  Synthesis of Mixed Phosphine−Phosphine Oxide Ligands via Highly Selective, Pd-Catalyzed Monooxidation of Bidentate Phosphines Vladimir V. Grushin pp 5831–5832 DOI: 10.1021/ja990841+

Efficient Synthesis of Purines and Purine Nucleosides via an Inverse Electron Demand Diels−Alder Reaction Qun Dang, Yan Liu, and Mark D. Erion pp 5833–5834 DOI: 10.1021/ja9842316 Supporting Info

Novel Para-Substituted Benzyl Ethers for Hydroxyl Group Protection Laurence Jobron and Ole Hindsgaul pp 5835–5836 DOI: 10.1021/ja9836085

Issue 25

Catalysis of Phosphoryl Transfer from ATP by Amine Nucleophiles Suzanne J. Admiraal and Daniel Herschlag pp 5837–5845 DOI: 10.1021/ja990903w

Large Increase in Cation Binding Affinity of Artificial Cyclopeptide Receptors by an Allosteric Effect Stefan Kubik pp 5846–5855 DOI: 10.1021/ja983970j Supporting Info

Efficient Transfer of Information from Hexitol Nucleic Acids to RNA during Nonenzymatic Oligomerization Igor A. Kozlov, Bart De Bouvere, Arthur Van Aerschot, Piet Herdewijn, and Leslie E. Orgel pp 5856–5859 DOI: 10.1021/ja990440u

Chemical Evidence for Transbilayer Movement of Molecular Umbrellas Sarinya Shawaphun, Vaclav Janout, and Steven L. Regen pp 5860–5864 DOI: 10.1021/ja9904641

A New Procedure for Deconvolution of Inter-/Intramolecular Intrinsic Primary and α-Secondary Deuterium Isotope Effects from Enzyme Steady-State Kinetic Data William S. McIntire, E. Thomas Everhart, John C. Craig, and Vladislav Kuusk pp 5865–5880 DOI: 10.1021/ja984214g

Scope of the Intramolecular Titanocene-Catalyzed Pauson−Khand Type Reaction1 Frederick A. Hicks, Natasha M. Kablaoui, and Stephen L. Buchwald pp 5881–5898 DOI: 10.1021/ja990682u

Papuamides A−D, HIV-Inhibitory and Cytotoxic Depsipeptides from the Sponges Theonella mirabilis and Theonella swinhoei Collected in Papua New Guinea Paul W. Ford, Kirk R. Gustafson, Tawnya C. McKee, Nobuharu Shigematsu, Laura K. Maurizi, Lewis K. Pannell, David E. Williams, E. Dilip de Silva, Peter Lassota, Theresa M. Allen, Rob Van Soest, Raymond J. Andersen, and Michael R. Boyd pp 5899–5909 DOI: 10.1021/ja990582o Supporting Info

Molecular Packing in Unsubstituted Semiconducting Phenylenevinylene Oligomer and Polymer Paul F. van Hutten, Jurjen Wildeman, Auke Meetsma, and Georges Hadziioannou pp 5910–5918 DOI: 10.1021/ja990934r Supporting Info

Versatile Functionalization of Polylysine:  Synthesis, Characterization, and Use of Neoglycoconjugates Gebhard Thoma, John T. Patton, John L. Magnani, Beat Ernst, Reinhold Öhrlein, and Rudolf O. Duthaler pp 5919–5929 DOI: 10.1021/ja984183p Supporting Info

Scavenging of Intermediates Formed in Photolysis of α-Diazocarbonyl Compounds and Hydroxycyclopropenones. Implication on the Mechanism of the Photo-Wolff Reaction Y. Chiang, A. J. Kresge, and V. V. Popik pp 5930–5932 DOI: 10.1021/ja9906406 Supporting Info

Supramolecular Organization of Oligo(m-phenylene ethynylene)s in the Solid-State Peggy-Jean Prest, Ryan B. Prince, and Jeffrey S. Moore pp 5933–5939 DOI: 10.1021/ja9909576 Supporting Info

Carbenes as Substrates:  Bimolecular Fragmentation of Alkoxychlorocarbenes Robert A. Moss, Lauren A. Johnson, Dina C. Merrer, and George E. Lee, Jr. pp 5940–5944 DOI: 10.1021/ja984418x

Isostructural [Au6Pd6(Pd6-xNix)Ni20(CO)44]6- and [Au6Ni32(CO)44]6- Clusters Containing Corresponding Nonstoichiometric Au6Pd6(Pd6-xNix)Ni20 and Stoichiometric Au6Ni32 Nanosized Cores:  Substitutional Pd/Ni Crystal Disorder (Coloring Problem) at Only Six Specific Nonadjacent Pseudoequivalent Metal Sites in the 38-Atom Trimetallic Close-Packed Framework Nguyet T. Tran, Masaki Kawano, Douglas R. Powell, Randy K. Hayashi, Charles F. Campana, and Lawrence F. Dahl pp 5945–5952 DOI: 10.1021/ja982637c Supporting Info

Lithium Phosphoranylidene Carbenoids Mes*-P(E)C(X)Li(THF)3 (E = NMes*, C(SiMe3)2; X = Br, Cl, F):  Synthesis and Structural Investigations in Solution and Solid State Thomas Baumgartner, Dietrich Gudat, Martin Nieger, Edgar Niecke, and Thomas J. Schiffer pp 5953–5960 DOI: 10.1021/ja990074e Supporting Info

Preparation, Characterization, and Performance of Tripodal Polyphosphine Rhodium Catalysts Immobilized on Silica via Hydrogen Bonding Claudio Bianchini, Daryl G. Burnaby, John Evans, Piero Frediani, Andrea Meli, Werner Oberhauser, Rinaldo Psaro, Laura Sordelli, and Francesco Vizza pp 5961–5971 DOI: 10.1021/ja983940g

Visible Region Magnetic Linear Dichroism Spectra of Ferrocytochrome c and Deoxymyoglobin:  Demonstration of a New Tool for the Study of Metalloproteins Jim Peterson, Linda L. Pearce, and Emile L. Bominaar pp 5972–5980 DOI: 10.1021/ja990174k

Molecular Dynamics Studies of DNA A-Tract Structure and Flexibility Edward C. Sherer, Sarah A. Harris, Robert Soliva, Modesto Orozco, and Charles A. Laughton pp 5981–5991 DOI: 10.1021/ja983715z

Mechanism of [2 + 1] Cycloadditions of Hydrogen Isocyanide to Alkynes:  Molecular Orbital and Density Functional Theory Study Loc Thanh Nguyen, Trung Ngoc Le, Frank De Proft, Asit K. Chandra, Wilfried Langenaeker, Minh Tho Nguyen, and Paul Geerlings pp 5992–6001 DOI: 10.1021/ja983394r

The Proton Affinities of Imines and the Heats of Formation of Immonium Ions Investigated with Composite ab Initio Methods Steen Hammerum and Theis I. Sølling pp 6002–6009 DOI: 10.1021/ja984077n Supporting Info

Heterocyclic Radicals in the Gas Phase. An Experimental and Computational Study of 3-Hydroxypyridinium Radicals and Cations Jill K. Wolken and František Tureek pp 6010–6018 DOI: 10.1021/ja983789a Supporting Info

Internucleotide Scalar Couplings Across Hydrogen Bonds in Watson−Crick and Hoogsteen Base Pairs of a DNA Triplex Andrew J. Dingley, James E. Masse, Robert D. Peterson, Michael Barfield, Juli Feigon, and Stephan Grzesiek pp 6019–6027 DOI: 10.1021/ja9908321

High Field 31P ENDOR of MnAlPO4-20:  Direct Evidence for Framework Substitution D. Arieli, D. E. W. Vaughan, K. G. Strohmaier, and D. Goldfarb pp 6028–6032 DOI: 10.1021/ja990365n

Tetracoordinated Planar Carbon in the Al4C- Anion. A Combined Photoelectron Spectroscopy and ab Initio Study Xi Li, Lai-Sheng Wang, Alexander I. Boldyrev, and Jack Simons pp 6033–6038 DOI: 10.1021/ja9906204

Protein Multilayer Formation on Colloids through a Stepwise Self-Assembly Technique Frank Caruso and Helmuth Möhwald pp 6039–6046 DOI: 10.1021/ja990441m

Photoelectron Spectroscopy of Benzoquinonide and Dehydrobenzoquinone Anions Gustavo E. Davico, Rebecca L. Schwartz, Tanya M. Ramond, and W. Carl Lineberger pp 6047–6054 DOI: 10.1021/ja990479z

Theoretical Study of the Acetylene Trimerization with CpCo Jon H. Hardesty, John B. Koerner, Thomas A. Albright, and Gab-Yong Lee pp 6055–6067 DOI: 10.1021/ja983098e Supporting Info

Spectroscopic Characterization of Silicon and Germanium Methylidyne:  Fundamental Astrophysical and Organometallic Building Blocks Tony C. Smith, Haiyang Li, and Dennis J. Clouthier pp 6068–6069 DOI: 10.1021/ja990713l

Long-Range Distance Measurements to the Phosphodiester Backbone of Solid Nucleic Acids Using 31P−19F REDOR NMR Matthew E. Merritt, Snorri Th. Sigurdsson, and Gary P. Drobny pp 6070–6071 DOI: 10.1021/ja984173o

A Short Synthesis of (−)-Dendrobine Jérôme Cassayre and Samir Z. Zard pp 6072–6073 DOI: 10.1021/ja990707p Supporting Info

Saddle Distortions of Ferryl-Porphyrin Models for Peroxidase Compound I:  A Density Functional Study Robert J. Deeth pp 6074–6075 DOI: 10.1021/ja983459q Supporting Info

First Application of fac-[99mTc(OH2)3(CO)3]+ in Bioorganometallic Chemistry:  Design, Structure, and in Vitro Affinity of a 5-HT1A Receptor Ligand Labeled with 99mTc Roger Alberto, Roger Schibli, and August P. SchubigerUlrich AbramH.-J. Pietzsch and B. Johannsen pp 6076–6077 DOI: 10.1021/ja990765a Supporting Info

Rearrangements of Radical Ions:  What It Means To Be Both a Radical and an Ion J. M. Tanko and J. Paige Phillips pp 6078–6079 DOI: 10.1021/ja990921d Supporting Info

Reactions of Lithium Silenolates with Acyl Halides. First Synthesis of Di- and Tetraacylsilanes Joji Ohshita, Yoshiaki Tokunaga, Hideaki Sakurai, and Atsutaka Kunai pp 6080–6081 DOI: 10.1021/ja990889n Supporting Info

Thiophene C−H Activation as a Chain-Transfer Mechanism in Ethylene Polymerization:  Catalytic Formation of Thienyl-Capped Polyethylene Stéphanie N. Ringelberg, Auke Meetsma, Bart Hessen, and Jan H. Teuben pp 6082–6083 DOI: 10.1021/ja984288s Supporting Info

Hydrogenolysis of Aliphatic Carbon−Fluorine Bonds in Fluoroalkyl−Iridium Complexes to Give Hydrofluorocarbons Russell P. Hughes* and Jeremy M. Smith pp 6084–6085 DOI: 10.1021/ja990490z

Asymmetric Catalytic Synthesis of α-Aryloxy Alcohols: Kinetic Resolution of Terminal Epoxides via Highly Enantioselective Ring-Opening with Phenols Joseph M. Ready and Eric N. Jacobsen pp 6086–6087 DOI: 10.1021/ja9910917 Supporting Info

Vinylphosphonate Formation via a Novel Cyclization−Vinyl Radical Trapping Sequence Xian-Yun Jiao and Wesley G. Bentrude pp 6088–6089 DOI: 10.1021/ja984460s Supporting Info

Palladium-Catalyzed C−N Bond Formation:  Facile and General Synthesis of N6-Aryl 2‘-Deoxyadenosine Analogues Mahesh K. Lakshman, John C. Keeler, John H. Hilmer, and Jocelyn Q. Martin pp 6090–6091 DOI: 10.1021/ja9908671 Supporting Info

Characterization of Novel Macrolide Toxins, Mycolactones A and B, from a Human Pathogen, Mycobacterium ulcerans Geewananda Gunawardana, Delphi Chatterjee, Kathleen M. George, Patrick Brennan, David Whittern, and P. L. C. Small pp 6092–6093 DOI: 10.1021/ja990017l Supporting Info

Vibrational Circular Dichroism Is a Sensitive Probe of the Glycosidic Linkage:  Oligosaccharides of Glucose Pranati K. Bose and Prasad L. Polavarapu pp 6094–6095 DOI: 10.1021/ja990928v

Noninterpenetrating Indium Sulfide Supertetrahedral Cristobalite Framework Hailian Li, Mohamed Eddaoudi, Aaron Laine, M. O'Keeffe, and O. M. Yaghi pp 6096–6097 DOI: 10.1021/ja990410r Supporting Info

Nickel Catalysis in the Stereoselective Preparation of Quinolizidine, Pyrrolizidine, and Indolizidine Alkaloids:  Total Synthesis of (+)-Allopumiliotoxin 267A Xiao-Qing Tang and John Montgomery pp 6098–6099 DOI: 10.1021/ja990997+ Supporting Info

A Stereospecific Elimination to Form Dehydroamino Acids:  Synthesis of the Phomopsin Tripeptide Side Chain Michelle M. Stohlmeyer, Hiroko Tanaka, and Thomas J. Wandless pp 6100–6101 DOI: 10.1021/ja991037q Supporting Info

ZEKE Spectroscopy By E. W. Schlag (Technische Universität München). Cambridge University Press:  Cambridge and New York. 1998. x + 277 pp. $64.95. ISBN 0-521-58128-1. Gary L. Findley p 6102 DOI: 10.1021/ja985701z

Structure-based Ligand Design. Vol. 6 Edited by Klaus Gubernator and Hand-Joachim Bohm. Wiley:  Weinheim. 1998. 147 pp. $135.00. ISBN 3-527-29343-4. Ron D. Bowditch p 6102 DOI: 10.1021/ja985758l

Issue 26

Hydrogen-Bonded Self-Assembled Peptide Nanotubes from Cystine-Based Macrocyclic Bisureas Darshan Ranganathan, C. Lakshmi, and Isabella L. Karle pp 6103–6107 DOI: 10.1021/ja9903025 Supporting Info

Theoretical Studies of DNA Base Deamination. 2. Ab Initio Study of DNA Base Diazonium Ions and of Their Linear, Unimolecular Dediazoniation Paths, Rainer Glaser, Sundeep Rayat, Michael Lewis, Man-Shick Son, and Sarah Meyer pp 6108–6119 DOI: 10.1021/ja9841254 Supporting Info

Mispyric Acid, a New Monocyclic Triterpenoid with a Novel Skeleton from Mischocarpus pyriformis that Inhibits DNA Polymerase β Di-An Sun, Jing-Zhen Deng, Shelley R. Starck, and Sidney M. Hecht pp 6120–6124 DOI: 10.1021/ja990208o Supporting Info

Stereochemical Course of Cerium(IV)-Catalyzed Hydrolysis of Cyclic Nucleotides Paul M. Cullis and Erwin Snip pp 6125–6130 DOI: 10.1021/ja990686z

Palladium-Catalyzed Enyne Cycloisomerization Reaction in an Asymmetric Approach to the Picrotoxane Sesquiterpenes. 2. Second-Generation Total Syntheses of Corianin, Picrotoxinin, Picrotin, and Methyl Picrotoxate Barry Trost and Michael J. Krische pp 6131–6141 DOI: 10.1021/ja990183t Supporting Info

Mechanism and Energetics for Complexation of 90Y with 1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetraacetic Acid (DOTA), a Model for Cancer Radioimmunotherapy Yun Hee Jang, Mario Blanco, Siddharth Dasgupta, David A. Keire, John E. Shively, and William A. Goddard III pp 6142–6151 DOI: 10.1021/ja983706q

Free-Energy Maps of Base−Amino Acid Interactions for DNA−Protein Recognition Fabio Pichierri, Misako Aida, M. Michael Gromiha, and Akinori Sarai pp 6152–6157 DOI: 10.1021/ja984124b

Enantioselective Reduction of Ketones by Polymethylhydrosiloxane in the Presence of Chiral Zinc Catalysts Hubert Mimoun, Jean Yves de Saint Laumer, Luca Giannini, Rosario Scopelliti, and Carlo Floriani pp 6158–6166 DOI: 10.1021/ja990522i Supporting Info

Ionic vs Free Radical Pathways in the Direct and Sensitized Photochemistry of 2-(4‘-Methoxynaphthyl)-4,6-bis(trichloromethyl)-1,3,5-triazine:  Relevance for Photoacid Generation G. Pohlers, J. C. Scaiano, E. Step, and R. Sinta pp 6167–6175 DOI: 10.1021/ja983371c

Scavenging Byproducts in the Sulfoxide Glycosylation Reaction:  Application to the Synthesis of Ciclamycin 0 Jeff Gildersleeve, Andri Smith, Kaori Sakurai, Subharekha Raghavan, and Daniel Kahne pp 6176–6182 DOI: 10.1021/ja990690a Supporting Info

The Palladium-Catalyzed Enyne Cycloisomerization Reaction in a General Approach to the Asymmetric Syntheses of the Picrotoxane Sesquiterpenes. Part I. First-Generation Total Synthesis of Corianin and Formal Syntheses of Picrotoxinin and Picrotin Barry M. Trost, Curt D. Haffner, David J. Jebaratnam, Michael J. Krische, and Andrew P. Thomas pp 6183–6192 DOI: 10.1021/ja9901821 Supporting Info

A General Synthetic Route to Defined, Biologically Active Multivalent Arrays Laura E. Strong and Laura L. Kiessling pp 6193–6196 DOI: 10.1021/ja990223t Supporting Info

Total Synthesis of HUN-7293 Dale L. Boger, Holger Keim, Berndt Oberhauser, Erwin P. Schreiner, and Carolyn A. Foster pp 6197–6205 DOI: 10.1021/ja990918u Supporting Info

Synthesis and Characterization of trans-2-Aminocyclohexanecarboxylic Acid Oligomers:  An Unnatural Helical Secondary Structure and Implications for β-Peptide Tertiary Structure Daniel H. Appella, Laurie A. Christianson, Isabella L. Karle, Douglas R. Powell, and Samuel H. Gellman pp 6206–6212 DOI: 10.1021/ja990748l Supporting Info

Aggregation and Reactivity of the Lithium Enolate of 2-Biphenylylcyclohexanone in Tetrahydrofuran1 Andrew Streitwieser and Daniel Ze-Rong Wang pp 6213–6219 DOI: 10.1021/ja990593h Supporting Info

Transition State Imbalance in Proton Transfer from Phenyl Ring-Substituted 2-Tetralones to Acetate Ion Xudong Yao, Mark A. Gold, and Ralph M. Pollack pp 6220–6225 DOI: 10.1021/ja990070+ Supporting Info

Media Effects on Antioxidant Activities of Phenols and Catechols L. R. C. Barclay, C. E. Edwards, and M. R. Vinqvist pp 6226–6231 DOI: 10.1021/ja990878u

Novel Platinum(IV)−Carbohydrate Complexes:  Metal Ion Coordination Behavior of Monosaccharides in Organic Solvents Henrik Junicke, Clemens Bruhn, Ralph Kluge, Anthony S. Serianni, and Dirk Steinborn pp 6232–6241 DOI: 10.1021/ja9902726 Supporting Info

An Ordered Form of the Extra-Large-Pore Zeolite UTD-1:  Synthesis and Structure Analysis from Powder Diffraction Data Thomas Wessels, Christian Baerlocher, Lynne B. McCusker, and Eddy J. Creyghton pp 6242–6247 DOI: 10.1021/ja9907717 Supporting Info

Stability and Structure of Metal Ion Complexes Formed in Solution with Acetyl Phosphate and Acetonylphosphonate:  Quantification of Isomeric Equilibria Helmut Sigel, Carla P. Da Costa, Bin Song, Paolo Carloni, and Fridrich Gregáň pp 6248–6257 DOI: 10.1021/ja9904181

Enantioselective Ti(IV) Sulfoxidation Catalysts Bearing C3-Symmetric Trialkanolamine Ligands:  Solution Speciation by 1H NMR and ESI-MS Analysis Marcella Bonchio, Giulia Licini, Giorgio Modena, Olga Bortolini, Stefano Moro, and William A. Nugent pp 6258–6268 DOI: 10.1021/ja983569x Supporting Info

Ab Initio Electronic Structure Calculations on Chlorocarbene−Ethylene and Chlorocarbene−Benzene Complexes Karsten Krogh-Jespersen, Shunqi Yan, and Robert A. Moss pp 6269–6274 DOI: 10.1021/ja990148m Supporting Info

Correlation between 3hJNC‘ and Hydrogen Bond Length in Proteins Gabriel Cornilescu, Benjamin E. Ramirez, M. Kirsten Frank, G. Marius Clore, Angela M. Gronenborn, and Ad Bax pp 6275–6279 DOI: 10.1021/ja9909024

Direct-Dynamics Approaches to Proton Tunneling Rate Constants. A Comparative Test for Molecular Inversions and an Application to 7-Azaindole Tautomerization Antonio Fernández-Ramos, Zorka Smedarchina, Willem Siebrand, Marek Z. Zgierski, and M. A. Rios pp 6280–6289 DOI: 10.1021/ja984338t

Dendrimers with a Photoactive and Redox-Active [Ru(bpy)3]2+-Type Core:  Photophysical Properties, Electrochemical Behavior, and Excited-State Electron-Transfer Reactions Fritz Vögtle, Marcus Plevoets, Martin Nieger, Gianluca C. Azzellini, Alberto Credi, Luisa De Cola, Valeria De Marchis, Margherita Venturi, and Vincenzo Balzani pp 6290–6298 DOI: 10.1021/ja990430t Supporting Info

Hydrophobic Force Field as a Molecular Alternative to Surface-Area Models G. Hummer pp 6299–6305 DOI: 10.1021/ja984414s

A Two-Dimensional Geomimetic Coordination Polymer Containing Pentagonal Cavities Steven W. Keller and Susan Lopez pp 6306–6307 DOI: 10.1021/ja982934h Supporting Info

Very High-Spin Organic Polymer:  π-Conjugated Hydrocarbon Network with Average Spin of S ≥ 40 Andrzej Rajca, Suchada Rajca, and Jirawat Wongsriratanakul pp 6308–6309 DOI: 10.1021/ja990881d

The Phenylcarbyne Anion Randal A. Seburg, Brian T. Hill, Rachel A. Jesinger, and Robert R. Squires pp 6310–6311 DOI: 10.1021/ja984026q

A Glycosidic Linkage Constrained to the “Anti” Conformation Armin Geyer, Matthias Müller, and Richard R. Schmidt pp 6312–6313 DOI: 10.1021/ja990294s Supporting Info

Isolation of Protonated Arenes (Wheland Intermediates) with BArF and Carborane Anions. A Novel Crystalline Superacid Christopher A. Reed, Nathanael L. P. Fackler, Kee-Chan Kim, Daniel Stasko, and Daniel R. EvansPeter D. W. Boyd and Clifton E. F. Rickard pp 6314–6315 DOI: 10.1021/ja981861z Supporting Info

Metal-Directed Assembly of Triple-Layered Fluorescent Metallocyclophanes Bradley J. Holliday, Joshua R. Farrell, and Chad A. MirkinKin-Chung Lam and Arnold L. Rheingold pp 6316–6317 DOI: 10.1021/ja991140f Supporting Info

Excess Lithium Intercalation in the Fulleride Superconductor Li3CsC60 Serena Margadonna, Kosmas Prassides, Andrew N. Fitch, Mayumi Kosaka, and Katsumi Tanigaki pp 6318–6319 DOI: 10.1021/ja9910255

Novel Alkali Metal-Induced H−D Atom Exchange Reaction of Diaryl Ketones with THF-d8:  Unexpectedly High D Atom-Incorporation at Meta Position of Benzophenone Masahiro Kamaura, Takeshi Hanamoto, Yoshiyuki Kuwatani, and Junji Inanaga pp 6320–6321 DOI: 10.1021/ja983425i Supporting Info

Protonation of the Hydroxide Ligand in a Synthetic Analogue of Carbonic Anhydrase, [TpBut,Me]ZnOH:  Inhibition of Reactivity Towards CO2 Catherine Bergquist and Gerard Parkin pp 6322–6323 DOI: 10.1021/ja991134j Supporting Info

A Comparison of NH-π versus Lone Pair Hydrogen Bonding Effects on Carbon Acid pKa Shifts Timothy S. Snowden, Adrian P. Bisson, and Eric V. Anslyn pp 6324–6325 DOI: 10.1021/ja991039a Supporting Info

Application of Reactive Enols in Synthesis:  A Versatile, Efficient, and Stereoselective Construction of the Welwitindolinone Carbon Skeleton John L. Wood, Alexandra A. Holubec, Brian M. Stoltz, Matthew M. Weiss, Julie A. Dixon, Brian D. Doan, Mohammed F. Shamji, Jennifer M. Chen, and Timothy P. Heffron pp 6326–6327 DOI: 10.1021/ja991022s Supporting Info

Carbonylation Chemistry of the Tantalum Silyl Hydride Cp*(2,6-iPr2C6H3N)Ta[Si(SiMe3)3]H:  The Unexpected Formation of a Ta(V) Carbonyl Complex and the Complete Reduction of CO Urs Burckhardt and T. Don Tilley pp 6328–6329 DOI: 10.1021/ja9905849 Supporting Info

Evidence for a Nonheme Fe(IV)O Species in the Intramolecular Hydroxylation of a Phenyl Moiety Steven J. Lange, Hiroyuki Miyake, and Lawrence Que, Jr. pp 6330–6331 DOI: 10.1021/ja990233u Supporting Info

Conformationally Assisted Protein Ligation Using C-Terminal Thioester Peptides Gangamani S. Beligere and Philip E. Dawson pp 6332–6333 DOI: 10.1021/ja9907919 Supporting Info

Selective Recognition of a dC−dG Base Pair by Oligonucleotide-Directed Triplex Formation Using a dC Residue Tethering an Intercalator Diego A. Gianolio and Larry W. McLaughlin pp 6334–6335 DOI: 10.1021/ja990799i Supporting Info

Onium Ions By George A. Olah (University of Southern California), Kenneth K. Laali (Kent State University), Qi Wang (Occidental Chemical Corporation), and G. K. Surya Prakash (University of Southern California). Wiley-Interscience:  New York. 1998. xv + 479 pp. $110.00. ISBN 0-471-14877-6. Ron W. Darbeau p 6336 DOI: 10.1021/ja9857615

Direct Observation of a Transition Metal Alkane Complex, CpRe(CO)2(cyclopentane), Using NMR Spectroscopy J. Am. Chem. Soc. 1998, 120, 9953-9954 Spili Geftakis and Graham E. Ball p 6336 DOI: 10.1021/ja995514g

Issue 27

Study of the N−H···H−B Dihydrogen Bond Including the Crystal Structure of BH3NH3 by Neutron Diffraction Wim T. Klooster, Thomas F. Koetzle, Per E. M. Siegbahn, Thomas B. Richardson, and Robert H. Crabtree pp 6337–6343 DOI: 10.1021/ja9825332 Supporting Info

Assembly of 2Fe-2S and 4Fe-4S Clusters in the Anaerobic Ribonucleotide Reductase from Escherichia coli S. Ollagnier, C. Meier, E. Mulliez, J. Gaillard, V. Schuenemann, A Trautwein, T. Mattioli, M. Lutz, and M. Fontecave pp 6344–6350 DOI: 10.1021/ja990073m

Effect of Magnetic Fields on an Oscillating Enzyme Reaction Ane Christine Møller and Lars Folke Olsen pp 6351–6354 DOI: 10.1021/ja990834l

Total Synthesis of Motuporin (Nodularin-V) Shawn M. Bauer and Robert W. Armstrong pp 6355–6366 DOI: 10.1021/ja9811243 Supporting Info

Radical Cyclization and Fragmentation of Azoxy Compounds Paul S. Engel, Shu-Lin He, Chengrong Wang, Shaoming Duan, and William B. Smith pp 6367–6374 DOI: 10.1021/ja983440n Supporting Info

Thermal Stability of 2,2,6,6-Tetramethylpiperidine-1-oxyl (TEMPO) and Related N-Alkoxyamines Maria Victoria Ciriano, Hans-Gert Korth, Wibo B. van Scheppingen, and Peter Mulder pp 6375–6381 DOI: 10.1021/ja9837102

The Transition State of the Phosphoryl-Transfer Reaction Catalyzed by the Lambda Ser/Thr Protein Phosphatase Richard H. Hoff, Pamela Mertz, Frank Rusnak, and Alvan C. Hengge pp 6382–6390 DOI: 10.1021/ja990667p Supporting Info

Palladium-Catalyzed [4+2] Cross-Benzannulation Reaction of Conjugated Enynes with Diynes and Triynes Vladimir Gevorgyan, Akira Takeda, Miyako Homma, Naoki Sadayori, Ukkiramapandian Radhakrishnan, and Yoshinori Yamamoto pp 6391–6402 DOI: 10.1021/ja990749d Supporting Info

Mechanistic Studies on the Reaction of Fischer Carbene Complex with Alkynes:  Does the Alkyne Insertion Intermediate Form Irreversibly? Marcey L. Waters, Mary E. Bos, and William D. Wulff pp 6403–6413 DOI: 10.1021/ja983101u

Soft X-ray Magnetic Circular Dichroism in Paramagnetic Systems:  Element-Specific Magnetization of Two Heptanuclear CrIII MII6 High-Spin Molecules M.-A. Arrio, A. Scuiller, Ph. Sainctavit, Ch. Cartier dit Moulin, T. Mallah, and M. Verdaguer pp 6414–6420 DOI: 10.1021/ja983521j

Iridium-Catalyzed Enantioselective Hydrogenation of Imines in Supercritical Carbon Dioxide Sabine Kainz, Axel Brinkmann, Walter Leitner, and Andreas Pfaltz pp 6421–6429 DOI: 10.1021/ja984309i Supporting Info

New Insights into the Berg−Holm Oxomolybdoenzyme Model Christian J. Doonan, Damian A. Slizys, and Charles G. Young pp 6430–6436 DOI: 10.1021/ja9900959

The Effect of Alkane Structure on Rates of Photoinduced C−H Bond Activation by Cp*Rh(CO)2 in Liquid Rare Gas Media:  An Infrared Flash Kinetics Study Bruce K. McNamara, Jake S. Yeston, Robert G. Bergman, and C. Bradley Moore pp 6437–6443 DOI: 10.1021/ja9904282 Supporting Info

Cooperative Role of Arg45 and His64 in the Spectroscopic A3 State of Carbonmonoxy Myoglobin:  Molecular Dynamics Simulations, Multivariate Analysis, and Quantum Mechanical Computations Brita G. Schulze and Jeffrey D. Evanseck pp 6444–6454 DOI: 10.1021/ja982115x

Integration of a Reconstituted de Novo Synthesized Hemoprotein and Native Metalloproteins with Electrode Supports for Bioelectronic and Bioelectrocatalytic Applications Itamar Willner, Vered Heleg-Shabtai, Eugenii Katz, Harald K. Rau, and Wolfgang Haehnel pp 6455–6468 DOI: 10.1021/ja983182u

Molecular Recognition between Genetically Engineered Streptavidin and Surface-Bound Biotin Víctor H. Pérez-Luna, Michael J. O'Brien, Kimberly A. Opperman, Philip D. Hampton, Gabriel P. López, Lisa A. Klumb, and Patrick S. Stayton pp 6469–6478 DOI: 10.1021/ja983984p

Mechanistic Aspects of Ethylene Polymerization by Iron(II)−Bisimine Pyridine Catalysts: A Combined Density Functional Theory and Molecular Mechanics Study Liqun Deng, Peter Margl, and Tom Ziegler pp 6479–6487 DOI: 10.1021/ja984385l Supporting Info

Solid-State 13C Chemical Shift Tensors in Terpenes. 2. NMR Characterization of Distinct Molecules in the Asymmetric Unit and Steric Influences on Shift in Parthenolide James K. Harper, Gary McGeorge, and David M. Grant pp 6488–6496 DOI: 10.1021/ja990251b

Demonstration by 13C NMR Spectroscopy of Regiospecific Carbon−Carbon Coupling during Fischer−Tropsch Probe Reactions Brian E. Mann, Michael L. Turner, Ruhksana Quyoum, Nyoman Marsih, and Peter M. Maitlis pp 6497–6498 DOI: 10.1021/ja9907313 Supporting Info

Enantiofacial Discrimination in Dihapto-Coordination of Aromatic Molecules by the Chiral π-Base/σ-Lewis Acid {TpRe(CO)(PMe3)} T. Brent Gunnoe, Michal Sabat, and W. Dean Harman pp 6499–6500 DOI: 10.1021/ja990891e Supporting Info

Stereocontrolled Total Synthesis of (+)-K252a Yoshihisa Kobayashi, Teppei Fujimoto, and Tohru Fukuyama pp 6501–6502 DOI: 10.1021/ja990909l Supporting Info

Photorelease of Carboxylic Acids from 1-Acyl-7-nitroindolines in Aqueous Solution:  Rapid and Efficient Photorelease of l-Glutamate1 George Papageorgiou, David C. Ogden, Andreas Barth, and John E. T. Corrie pp 6503–6504 DOI: 10.1021/ja990931e Supporting Info

Two-Dimensional 15N−1H Photo-CIDNP as a Surface Probe of Native and Partially Structured Proteins Charles E. Lyon, Jonathan A. Jones, Christina Redfield, Christopher M. Dobson, and P. J. Hore pp 6505–6506 DOI: 10.1021/ja9907663

A Novel Tandem [2 + 2] Cycloaddition−Dieckmann Condensation:  Facile One-Pot Process To Obtain 2,3-Disubstituted-2-cycloalkenones from Ynolates Mitsuru Shindo, Yusuke Sato, and Kozo Shishido pp 6507–6508 DOI: 10.1021/ja990656w Supporting Info

Highly Regio-, Diastereo-, and Enantioselective C−H Insertions of Methyl Aryldiazoacetates into Cyclic N-Boc-Protected Amines. Asymmetric Synthesis of Novel C2-Symmetric Amines and threo-Methylphenidate Huw M. L. Davies, Tore Hansen, Darrin W. Hopper, and Stephen A. Panaro pp 6509–6510 DOI: 10.1021/ja9910715 Supporting Info

Enantioselective Synthesis of d-threo-Methylphenidate Jeffrey M. Axten, Robert Ivy, Lori Krim, and Jeffrey D. Winkler pp 6511–6512 DOI: 10.1021/ja991466o Supporting Info

Impact of Residual Dipolar Couplings on the Accuracy of NMR Structures Determined from a Minimal Number of NOE Restraints G. Marius Clore, Mary R. Starich, Carole A. Bewley, Mengli Cai, and John Kuszewski pp 6513–6514 DOI: 10.1021/ja991143s Supporting Info

Two-Dimensional Chirality:  Self-Assembled Monolayer of an Atropisomeric Compound Covalently Bound to a Gold Surface Bunsho Ohtani, Akiko Shintani, and Kohei Uosaki pp 6515–6516 DOI: 10.1021/ja990981j

Selection of Human Metalloantibodies from a Combinatorial Phage Single-Chain Antibody Library Changshou Gao, Oliver Brümmer, Shenlan Mao, and Kim D. Janda pp 6517–6518 DOI: 10.1021/ja990966e Supporting Info

Molecular Design of a C2-Symmetric Chiral Phase-Transfer Catalyst for Practical Asymmetric Synthesis of α-Amino Acids Takashi Ooi, Minoru Kameda, and Keiji Maruoka pp 6519–6520 DOI: 10.1021/ja991062w Supporting Info

Intramolecular Electron Transfer of Diporphyrins Comprised of Electron-Deficient Porphyrin and Electron-Rich Porphyrin with Photocontrolled Isomerization J. Am. Chem. Soc. 1999, 121, 48−53 Shinji Tsuchiya p 6521 DOI: 10.1021/ja995513o

Synthesis and Magnetization of New Room-Temperature Molecule-Based Magnets:  Effect of Stoichiometry on Local Magnetic Structure by X-ray Magnetic Circular Dichroism J. Am. Chem. Soc. 1998, 120, 11347−11352 E. Dujardin, S. Ferlay, X. Phan, C. Desplanches, C. Cartier dit Moulin, P. Sainctavit, F. Baudelet, E. Dartyge, P. Veillet, and M. Verdaguer p 6521 DOI: 10.1021/ja995518l

Current Density Maps, Magnetizability and Nuclear Magnetic Shielding Tensors for Anthracene, Phenanthrene, and Triphenylene J. Am. Chem. Soc. 1999, 121, 5513−5518 Andrea Ligabue, Ugo Pincelli, Paolo Lazzeretti,, and Riccardo Zanasi p 6521 DOI: 10.1021/ja995520c

The Borane, Carborane, Carbocation Continuum Edited by Joseph Casanova. Wiley Press:  New York. 1998. 437 pp. $89.95. ISBN 0-417-18075-0. Thomas Lectka p 6522 DOI: 10.1021/ja985697r

Principles of Chemical and Biological Sensors. Vol. 150. Chemical Analysis:  A Series of Monographs on Analytical Chemistry and Its Applications By Dermot Diamond (Dublin City University, Dublin, Ireland). John Wiley & Sons, Inc.:  New York. 1998. xxvii + 334 pp. $89.00. ISBN 0-471-54619-4. Zeev Rosenzweig p 6522 DOI: 10.1021/ja985737r

Issue 28

Myristoylation-Induced Compaction of a Membrane-Binding Protein Olivier Michielin, Guy Vergères, and Jeremy J. Ramsden pp 6523–6526 DOI: 10.1021/ja990239j

Design and Synthesis of New Aminoglycoside Antibiotics Containing Neamine as an Optimal Core Structure:  Correlation of Antibiotic Activity with in Vitro Inhibition of Translation William A. Greenberg, E. Scott Priestley, Pamela S. Sears, Phil B. Alper, Christoph Rosenbohm, Martin Hendrix, Shang-Cheng Hung, and Chi-Huey Wong pp 6527–6541 DOI: 10.1021/ja9910356

Influence of Electrostatic Effects on Activation Barriers in Enzymatic Reactions:  Pyridoxal 5‘-Phosphate-Dependent Decarboxylation of α-Amino Acids Robert D. Bach, Carlo Canepa, and Mikhail N. Glukhovtsev pp 6542–6555 DOI: 10.1021/ja9907616 Supporting Info

18O-Tracer Studies of Fe(II)-Induced Decomposition of 1,2,4-Trioxolanes (Ozonides) Derived from Cyclopentenes and Indenes. Inner-Sphere Electron Transfer Reduction of the Peroxide Linkage Manabu Abe, Tomoyasu Inakazu, Johichi Munakata, and Masatomo Nojima pp 6556–6562 DOI: 10.1021/ja990807v

The Total Synthesis of Eleutherobin Xiao-Tao Chen, Samit K. Bhattacharya, Bishan Zhou, Clare E. Gutteridge, Thomas R. R. Pettus, and Samuel J. Danishefsky pp 6563–6579 DOI: 10.1021/ja990215c Supporting Info

Photochemical Reactions of Nitroso Oxides at Low Temperatures:  The First Experimental Evidence for Dioxaziridines T. Harder, P. Wessig, J. Bendig, and R. Stösser pp 6580–6588 DOI: 10.1021/ja9803660

Lifetimes of Dialkylcarbocations Derived from Alkanediazonium Ions in Solution:  Cyclohexadienyl Cations as Kinetic Probes for Cation Reactivity1 John Paul Pezacki, Deepak Shukla, Janusz Lusztyk, and John Warkentin pp 6589–6598 DOI: 10.1021/ja9840807 Supporting Info

A Xanthate-Derived Photoinitiator that Recognizes and Controls the Free Radical Polymerization Pathways of Methyl Methacrylate and Styrene A. Ajayaghosh and R. Francis pp 6599–6606 DOI: 10.1021/ja983239c

Fluorous Tin Hydrides:  A New Family of Reagents for Use and Reuse in Radical Reactions Dennis P. Curran, Sabine Hadida, Sun-Young Kim, and Zhiyong Luo pp 6607–6615 DOI: 10.1021/ja990069a Supporting Info

Addition of Olefins to Aromatic Ketones Catalyzed by Rh(I) Olefin Complexes Christian P. Lenges and Maurice Brookhart pp 6616–6623 DOI: 10.1021/ja990702s Supporting Info

Oxygen Versus Carbon Acidity in the Side-Chain Fragmentation of 2-, 3-, and 4-Arylalkanol Radical Cations in Aqueous Solution:  The Influence of the Distance between the OH Group and the Aromatic Ring1 Enrico Baciocchi, Massimo Bietti, Laura Manduchi, and Steen Steenken pp 6624–6629 DOI: 10.1021/ja990352+

Physical Organic Chemistry of Transition Metal Carbene Complexes. 16.1 Reactions of (CO)5MC(OR)Ph (M = Cr or W; R = Me or Et) with Thiolate Ions in Aqueous Acetonitrile. Complete Kinetic Dissection of the Two-Step Mechanism Claude F. Bernasconi, Kevin W. Kittredge, and Francis X. Flores pp 6630–6639 DOI: 10.1021/ja9908265

Imprinted Polymers as Protecting Groups for Regioselective Modification of Polyfunctional Substrates Cameron Alexander, Craig R. Smith, Michael J. Whitcombe, and Evgeny N. Vulfson pp 6640–6651 DOI: 10.1021/ja982238h Supporting Info

Formation of Difluoromethylene−Arenium Complexes by Consecutive Aryl−CF3 C−C Bond Activation and C−F Bond Cleavage Milko E. van der Boom, Yehoshoa Ben-David, and David Milstein pp 6652–6656 DOI: 10.1021/ja990779g

trans-4,4‘-Dichloro-1,1‘,2,2‘,3,3‘-tetrathiadiazafulvalene (DC-TAF) and Its 1:1 Radical Cation Salts [DC-TAF][X]:  Preparation and Solid-State Properties of BF4-, ClO4-, and FSO3- Derivatives T. M. Barclay, L. Beer, A. W. Cordes, R. C. Haddon, M. I. Itkis, R. T. Oakley, K. E. Preuss, and R. W. Reed pp 6657–6663 DOI: 10.1021/ja990933z Supporting Info

A Polycationic Zinc-5,15-dichlorooctaethylporphyrinate-viologen Wire Laurent Ruhlmann, Andrea Schulz, Alain Giraudeau, Christian Messerschmidt, and Jürgen-Hinrich Fuhrhop pp 6664–6667 DOI: 10.1021/ja984404r

Ruthenium Complexes Containing Two Ru−(η2-Si−H) Bonds:  Synthesis, Spectroscopic Properties, Structural Data, Theoretical Calculations, and Reactivity Studies Fabien Delpech, Sylviane Sabo-Etienne, Jean-Claude Daran, Bruno Chaudret, Khansaa Hussein, Colin J. Marsden, and Jean-Claude Barthelat pp 6668–6682 DOI: 10.1021/ja990199j Supporting Info

Probing the Role of the Trivalent Metal in Phosphate Ester Hydrolysis:  Preparation and Characterization of Purple Acid Phosphatases Containing AlIIIZnII and InIIIZnII Active Sites, Including the First Example of an Active Aluminum Enzyme Maarten Merkx and Bruce A. Averill pp 6683–6689 DOI: 10.1021/ja9837147 Supporting Info

Intramolecular Microsolvation of SN2 Transition States Stephen L. Craig and John I. Brauman pp 6690–6699 DOI: 10.1021/ja983010x

A Theoretical and Experimental Study of the Molecular Rearrangement of 5-Methyl-4-nitrobenzofuroxan Frank Eckert, Guntram Rauhut, Alan R. Katritzky, and Peter J. Steel pp 6700–6711 DOI: 10.1021/ja990475u Supporting Info

An Investigation of π−π Packing in a Columnar Hexabenzocoronene by Fast Magic-Angle Spinning and Double-Quantum 1H Solid-State NMR Spectroscopy Steven P. Brown, Ingo Schnell, Johann Diedrich Brand, Klaus Müllen, and Hans Wolfgang Spiess pp 6712–6718 DOI: 10.1021/ja990637m Supporting Info

The [C6H10]•+ Hypersurface:  the Parent Radical Cation Diels−Alder Reaction Matthias Hofmann and Henry F. Schaefer III pp 6719–6729 DOI: 10.1021/ja983338q Supporting Info

Ab Initio Studies of the Radical Cation Diels−Alder Reaction Udo Haberl, Olaf Wiest, and Eberhard Steckhan pp 6730–6736 DOI: 10.1021/ja983993y Supporting Info

In-Plane Aromaticity in 1,3-Dipolar Cycloadditions. Solvent Effects, Selectivity, and Nucleus-Independent Chemical Shifts Fernando P. Cossío, Iñaki Morao, Haijun Jiao, and Paul von Ragué Schleyer pp 6737–6746 DOI: 10.1021/ja9831397 Supporting Info

Five-Coordinate, Solvent-Free Aluminum Cations Miguel-Ángel Muñoz-Hernández, Biswajit Sannigrahi, and David A. Atwood pp 6747–6748 DOI: 10.1021/ja990376g Supporting Info

An Efficient Solid-Phase Synthesis of the Vitamin D3 System Takayuki Doi, Ichiro Hijikuro, and Takashi Takahashi pp 6749–6750 DOI: 10.1021/ja990739c Supporting Info

The First Enantioselective Syntheses of Axially Chiral Enantiomerically Pure Calix[4]resorcinarene Derivatives Philip C. Bulman Page, Harry Heaney, and Edward P. Sampler pp 6751–6752 DOI: 10.1021/ja990819g Supporting Info

Highly Efficient and Selective Cross-Linking to Cytidine Based on a New Strategy for Auto-Activation within a Duplex Fumi Nagatsugi, Takeshi Kawasaki, Daisaku Usui, Minoru Maeda, and Shigeki Sasaki pp 6753–6754 DOI: 10.1021/ja990356e

Resonance Raman Evidence for a Hydrogen-Bonded Oxo Bridge in the R2 Protein of Ribonucleotide Reductase from Mouse Melissa A. Hanson, Peter P. Schmidt, Kari R. Strand, Astrid Gräslund, Edward I. Solomon, and K. Kristoffer Andersson pp 6755–6756 DOI: 10.1021/ja990995p

Order−Disorder Transition of Nonplanar Molecules and Dielectric Anomaly in a Crystal of Charge-Transfer Complex Sachio Horiuchi, Reiji Kumai, and Yoichi OkimotoYoshinori Tokura pp 6757–6758 DOI: 10.1021/ja990651z Supporting Info

Palladium-Catalyzed Asymmetric Alkylation of Ketone Enolates Barry M. Trost and Gretchen M. Schroeder pp 6759–6760 DOI: 10.1021/ja991135b Supporting Info

Enantiospecific Synthesis of Allylamines via the Regioselective Rhodium-Catalyzed Allylic Amination Reaction P. Andrew Evans, John E. Robinson, and Jade D. Nelson pp 6761–6762 DOI: 10.1021/ja991089f Supporting Info

Borane Chain Transfer Agent in Metallocene-Mediated Olefin Polymerization. Synthesis of Borane-Terminated Polyethylene and Diblock Copolymers Containing Polyethylene and Polar Polymer Guangxue Xu and T. C. Chung pp 6763–6764 DOI: 10.1021/ja9913232

Mechanistic Studies of the Biosynthesis of Tyvelose:  Purification and Characterization of CDP-d-tyvelose 2-Epimerase Tina M. Hallis and Hung-wen Liu pp 6765–6766 DOI: 10.1021/ja991465w

Signaling of Escherichia Coli Enterotoxin on Supramolecular Redox Bilayer Vesicles Quan Cheng, Tuzhi Peng, and Raymond C. Stevens pp 6767–6768 DOI: 10.1021/ja991234p

N-Phosphinoylnitroso Compounds:  New Asymmetric N−O Heterodienophiles and Nitroxyl Delivery Agents Roy W. Ware, Jr., and S. Bruce King pp 6769–6770 DOI: 10.1021/ja9908016 Supporting Info

Enantioselective Total Synthesis of Aspidophytine Feng He, Yunxin Bo, Jason D. Altom, and E. J. Corey pp 6771–6772 DOI: 10.1021/ja9915201 Supporting Info

Issue 29

Alkylation of Nucleic Acids by a Model Quinone Methide Praveen Pande, Jason Shearer, Jianhong Yang, William A. Greenberg, and Steven E. Rokita pp 6773–6779 DOI: 10.1021/ja990456k Supporting Info

Connecting Proteins by Design. Cross-Linked Bis-Hemoglobin Ronald Kluger, Jodi Lock-O'Brien, and Anna Teytelboym pp 6780–6785 DOI: 10.1021/ja9910107

Mechanistic Studies of an Unusual Amide Bond Scission Christopher J. Creighton, Todd T. Romoff, Jane H. Bu, and Murray Goodman pp 6786–6791 DOI: 10.1021/ja9913131 Supporting Info

Effective Combination of Two-Directional Synthesis and Rhenium(VII) Chemistry:  Total Synthesis of meso Polyether Teurilene Yoshiki Morimoto, Toshiyuki Iwai, and Takamasa Kinoshita pp 6792–6797 DOI: 10.1021/ja990154i Supporting Info

A Systematic Study of Ligand Effects on a Lewis-Acid-Catalyzed Diels−Alder Reaction in Water. Water-Enhanced Enantioselectivity Sijbren Otto and Jan B. F. N. Engberts pp 6798–6806 DOI: 10.1021/ja984273u Supporting Info

Thermodynamics of Phosphate and Pyrophosphate Anions Binding by Polyammonium Receptors Carla Bazzicalupi, Andrea Bencini, Antonio Bianchi, Mirco Cecchi, Beatriz Escuder, Vieri Fusi, Enrique Garcia-España, Claudia Giorgi, Santiago V. Luis, Gianluca Maccagni, Victor Marcelino, Piero Paoletti, and Barbara Valtancoli pp 6807–6815 DOI: 10.1021/ja983947y Supporting Info

Synthesis and Absolute Stereochemical Assignment of (+)-Miyakolide David A. Evans, David H. B. Ripin, David P. Halstead, and Kevin R. Campos pp 6816–6826 DOI: 10.1021/ja990789h Supporting Info

Ti2Nb6O12, a Novel Niobium Oxide Cluster Compound with “Chevrel Phase” Intercluster Connectivity Type Ekaterina V. Anokhina, Michael W. Essig, Cynthia S. Day, and Abdessadek Lachgar pp 6827–6833 DOI: 10.1021/ja990759e Supporting Info

Hydrogen-Bond Promoted Intramolecular Electron Transfer to Photogenerated Ru(III):  A Functional Mimic of TyrosineZ and Histidine 190 in Photosystem II Licheng Sun, Mark Burkitt, Markus Tamm, Mary Katherine Raymond, Malin Abrahamsson, Denis LeGourriérec, Yves Frapart, Ann Magnuson, Ping Huang Kenéz, Peter Brandt, Anh Tran, Leif Hammarström, Stenbjörn Styring, and Björn Åkermark pp 6834–6842 DOI: 10.1021/ja984048c Supporting Info

A Non-Metallocene Hydride of Titanium(III) Jason B. Love, Howard C. S. Clark, F. Geoffrey N. Cloke, Jennifer C. Green, and Peter B. Hitchcock pp 6843–6849 DOI: 10.1021/ja990769f Supporting Info

Lead Fingers:  Pb2+ Binding to Structural Zinc-Binding Domains Determined Directly by Monitoring Lead−Thiolate Charge-Transfer Bands John C. Payne, Marc A. ter Horst, and Hilary Arnold Godwin pp 6850–6855 DOI: 10.1021/ja990899o

Remarkable Effects of Axial π* Coordination on the Cr−Cr Quadruple Bond in Dichromium Paddlewheel Complexes F. Albert Cotton, Lee M. Daniels, Carlos A. Murillo, Isabel Pascual, and Hong-Cai Zhou pp 6856–6861 DOI: 10.1021/ja9912675 Supporting Info

Dialkyldicyanofumarate Diesters:  Tunable Building Blocks for Molecule-Based Ferromagnets Bharat B. Kaul, William S. Durfee, and Gordon T. Yee pp 6862–6866 DOI: 10.1021/ja990985o

Synthesis and Characterization of the First Sandwich Complex of Trivalent Thorium:  A Structural Comparison with the Uranium Analogue Julian S. Parry, F. Geoffrey N. Cloke, Simon J. Coles, and Michael B. Hursthouse pp 6867–6871 DOI: 10.1021/ja9903633 Supporting Info

Hyperconjugative π-Aromaticity:  How To Make Cyclopentadiene Aromatic László Nyulászi and Paul von Ragué Schleyer pp 6872–6875 DOI: 10.1021/ja983113f Supporting Info

Relaxation of Two-Spin Coherence Due to Cross-Correlated Fluctuations of Dipole−Dipole Couplings and Anisotropic Shifts in NMR of 15N,13C-Labeled Biomolecules Elisabetta Chiarparin, Philippe Pelupessy, Ranajeet Ghose, and Geoffrey Bodenhausen pp 6876–6883 DOI: 10.1021/ja984390p Supporting Info

Lineshape Fitting of Deuterium Magic Angle Spinning Spectra of Paramagnetic Compounds in Slow and Fast Limit Motion Regimes Hyerim Lee, Tatyana Polenova, Robert H. Beer, and Ann E. McDermott pp 6884–6894 DOI: 10.1021/ja990636u

Stability and Activity of Mesophilic Subtilisin E and Its Thermophilic Homolog:  Insights from Molecular Dynamics Simulations Giorgio Colombo and Kenneth M. Merz, Jr. pp 6895–6903 DOI: 10.1021/ja990420s

Bromine Halides:  The Neutral Molecules BrClFn (n = 1− 5) and Their Anions  Structures, Energetics, and Electron Affinities Igor S. Ignatyev and Henry F. Schaefer III pp 6904–6910 DOI: 10.1021/ja990144h

Absence of Reverse Anomeric Effect in Glycosylimidazoles Charles L. Perrin, Miles A. Fabian, Jarmila Brunckova, and Brian K. Ohta pp 6911–6918 DOI: 10.1021/ja9911566

Solution Structures of TOAC-Labeled Trichogin GA IV Peptides from Allowed (g ≈ 2) and Half-Field Electron Spin Resonance D. Joe Anderson, Paul Hanson, Joe McNulty, Glenn Millhauser, Vania Monaco, Fernando Formaggio, Marco Crisma, and Claudio Toniolo pp 6919–6927 DOI: 10.1021/ja984255c

Thermal Rearrangements of Norcaradiene Andrzej A. Jarzcki, Joseph Gajewski, and Ernest R. Davidson pp 6928–6935 DOI: 10.1021/ja984471l Supporting Info

Single-Molecule Spectroscopy of the Conjugated Polymer MEH-PPV Dehong Hu, Ji Yu, and Paul F. Barbara pp 6936–6937 DOI: 10.1021/ja990139d Supporting Info

Highly Specific DNA Recognition by a Designed Miniature Protein Neal J. Zondlo and Alanna Schepartz pp 6938–6939 DOI: 10.1021/ja990968z Supporting Info

A New Highly Stereoselective Rearrangement of Acyclic Tertiary Organoboranes:  An Example of Highly Stereoselective Remote C−H Activation Hamid Laaziri, Lars O. Bromm, Frédéric Lhermitte, Ruth M. Gschwind, and Paul Knochel pp 6940–6941 DOI: 10.1021/ja9843977 Supporting Info

Highly Stereoselective Synthesis of Homoallylic Amines Based on Addition of Allyltrichlorosilanes to Benzoylhydrazones under Neutral Conditions Shū Kobayashi and Ryoji Hirabayashi pp 6942–6943 DOI: 10.1021/ja990497g Supporting Info

Enantioselective Total Synthesis of 13,14,15-Isocrambescidin 800 D. Scott Coffey, Andrew I. McDonald, Larry E. Overman, and Frank Stappenbeck pp 6944–6945 DOI: 10.1021/ja990992c Supporting Info

Biotinylation of Screen-Printed Carbon Electrodes through the Electrochemical Reduction of the Diazonium Salt of p-Aminobenzoyl Biocytin Murielle Dequaire, Chantal Degrand, and Benoît Limoges pp 6946–6947 DOI: 10.1021/ja990920l

A Bimetallic Helical Heptapeptide as a Transphosphorylation Catalyst in Water Paola Rossi, Fulvia Felluga, Paolo Tecilla, Fernando Formaggio, Marco Crisma, Claudio Toniolo, and Paolo Scrimin pp 6948–6949 DOI: 10.1021/ja9908164 Supporting Info

Photoactivation of the Cl- + CH3Br SN2 Reaction via Rotationally Resolved C−H Stretch Excitation of the Cl-·CH3Br Entrance Channel Complex Patrick Ayotte, Jun Kim, Jude A. Kelley, Steen B. Nielsen, and Mark A. Johnson pp 6950–6951 DOI: 10.1021/ja990814j

Kinetic Stabilization of Biopolymers in Single-Crystal Hosts:  Green Fluorescent Protein in α-Lactose Monohydrate Miki Kurimoto, Paramjeet Subramony, Richard W. Gurney, Scott Lovell, Jean Chmielewski, and Bart Kahr pp 6952–6953 DOI: 10.1021/ja991069d Supporting Info

Chemical Amplification (CHAMP) by a Continuous, Self-Replicating Oligonucleotide-Based System David Albagli, Reuel Van Atta, Peter Cheng, Bingfang Huan, and Michael L. Wood pp 6954–6955 DOI: 10.1021/ja990434y Supporting Info

The Sal-XH Motif for Metal-Mediated Oxidative DNA−Peptide Cross-Linking Ann J. Stemmler and Cynthia J. Burrows pp 6956–6957 DOI: 10.1021/ja991164m Supporting Info

Stable Dioxaphosphirane Species:  Facile Formation by Reaction of 10-P-41 Hypervalent Phosphoranide with Atmospheric Oxygen Masaaki Nakamoto and Kin-ya Akiba pp 6958–6959 DOI: 10.1021/ja9910614 Supporting Info

Asymmetric Cyclization/Hydrosilylation of Functionalized 1,6-Dienes Catalyzed by Enantiomerically Pure Palladium Pyridine−Oxazoline Complexes Nicholas S. Perch and Ross A. Widenhoefer pp 6960–6961 DOI: 10.1021/ja990461o Supporting Info

Self-Assembly through Stepwise Crystalliztion Yiyan Chen and Gregory L. BakerYaqiang Ding and John F. Rabolt pp 6962–6963 DOI: 10.1021/ja981988o Supporting Info

A New Class of Organometallic Compounds Produced via Electron Transfer from Lanthanides Cheryl D. Stevenson, Tyler Schertz, and Richard C. Reiter pp 6964–6965 DOI: 10.1021/ja991229l

Evidence for a Stepwise Mechanism of OMP Decarboxylase Joel I. Ehrlich, Chi-Ching Hwang, Paul F. Cook, and John S. Blanchard pp 6966–6967 DOI: 10.1021/ja990737s Supporting Info

Positional Isotope Exchange Catalyzed by UDP-Galactopyranose Mutase John N. Barlow, Mark E. Girvin, and John S. Blanchard pp 6968–6969 DOI: 10.1021/ja991582r

The Dickerson-Drew B-DNA Dodecamer Revisited at Atomic Resolution J. Am. Chem. Soc. 1999, 121, 470−471]. A “Hydrat-Ion” Spine in a B-DNA Minor Groove [J. Am. Chem. Soc. 1999, 121, 3590−3595 Valentina Tereshko, George Minasov, and Martin Egli p 6970 DOI: 10.1021/ja995519d

Electroanalytical Chemistry. Volume 20 Edited by Allen J. Bard. Marcel Dekker. 1998. $175.00. 336 pp. ISBN 0-8247-9996-8. Vince Cammarata pp 6970–6971 DOI: 10.1021/ja985712s

Chemistry of Hypervalent Compounds Edited by Kin-ya Akiba (Hiroshima University). Wiley-VCH:  New York. 1998. xvi + 414 pp. $135.00. ISBN 0-471-24019-2. Viktor V. Zhdankin p 6971 DOI: 10.1021/ja995694u

Comprehensive Natural Products Chemistry Edited by D. H. R. Barton, K. Nakanishi, and O. Meth-Cohn. Elsevier Science:  Oxford, UK. 1999. Nine volumes, $6515.00. ISBN 0-08-042709-X (complete set). Vol. 1, Polyketides and Other Secondary Metabolites Including Fatty Acids and Their Derivatives:  ISBN 0-08-043153-4, pp xl + 1007. Vol. 2, Isoprenoids Including Carotenoids and Steroids:  ISBN 0-08-043154-2, pp xxxviii + 446. Vol. 3, Carbohydrates and Their Derivatives Including Tannins, Cellulose, and Related Lignins: ISBN 0-08-043155-0, pp xl + 939. Vol. 4, Amino Acids, Peptides, Porphyrins, and Alkaloids: ISBN 0-08-043156-9, pp xl + 429. Vol. 5, Enzymes, Enzyme Mechanisms, Proteins, and Aspects of NO Chemistry: ISBN 0-08-043157-7, pp xxxviii + 495. Vol. 6, Prebiotic Chemistry, Molecular Fossils, Nucleosides, and RNA: ISBN 0-08-043158-5, pp xxxviii + 299. Vol. 7, DNA and Aspects of Molecular Biology:  ISBN 0-08-043159-3, pp xxxviii + 733. Vol. 8, Miscellaneous Natural Products Including Marine Natural Products, Pheromones, Plant Hormones, and Aspects of Ecology: ISBN 0-08-043160-7, pp xxxviii + 749. Vol. 9, Cumulative Indexes:  ISBN 0-08-043161-5, pp xxxviii + 351. Philip D. Magnus pp 6971–6972 DOI: 10.1021/ja995696e

Chirality in Industry II:  Developments in the Manufacture & Applications of Optically Active Compounds Edited by A. N. Collins, G. N. Sheldrake, and J. Crosby. J. Wiley & Sons:  New York. 1998. 389 pp. ISBN 0-471-98284-9. Robert A. Stockman p 6972 DOI: 10.1021/ja985773q

Carbohydrate Mimics:  Concepts and Methods Edited by Yves Chapleur. Wiley-VCH Publishers:  Weinheim. 1998. 579 pp. $190.00. ISBN 3-527-29526-7. Paul L. DeAngelis p 6972 DOI: 10.1021/ja9857763

Named Organic Reactions By Thomas Laue and Andreas Plagens. J. Wiley & Sons:  New York. 1998. 283 pp. $69.95. ISBN 471-97142-1. Robert A. Stockman p 6972 DOI: 10.1021/ja985780e

Encyclopedia of Bioprocess Technology Edited by Michael Flickinger and Stephen Drew. John Wiley:  New York. 1999. Five-volume set. $1750. ISBN 0-471-13822-3. David Flaxbart p 6972 DOI: 10.1021/ja995711f

Issue 30

Biosynthetic Studies on the α-Glucosidase Inhibitor Acarbose in Actinoplanes sp.:  2-epi-5-epi-Valiolone Is the Direct Precursor of the Valienamine Moiety Taifo Mahmud, Ingo Tornus, Erin Egelkrout, Eckardt Wolf, Charmaine Uy, Heinz G. Floss, and Sungsook Lee pp 6973–6983 DOI: 10.1021/ja991102w

Structure and Spectroscopy of Metallo-Lactamase Active Sites Hillary S. R. Gilson and Morris Krauss pp 6984–6989 DOI: 10.1021/ja990459x

Applications of Vinylogous Mannich Reactions. Concise Enantiospecific Total Syntheses of (+)-Croomine Stephen F. Martin, Kenneth J. Barr, Dudley W. Smith, and Scott K. Bur pp 6990–6997 DOI: 10.1021/ja990077r Supporting Info

General Approach for the Synthesis of Ajmaline/Sarpagine Indole Alkaloids:  Enantiospecific Total Synthesis of (+)-Ajmaline, Alkaloid G, and Norsuaveoline via the Asymmetric Pictet−Spengler Reaction Jin Li, Tao Wang, Peng Yu, A. Peterson, R. Weber, D. Soerens, D. Grubisha, D. Bennett, and J. M. Cook pp 6998–7010 DOI: 10.1021/ja990184l Supporting Info

π- and σ-Diazo Radical Cations:  Electronic and Molecular Structure of a Chemical Chameleon Thomas Bally, Claudio Carra, Stephan Matzinger, Leo Truttmann, Fabian Gerson, Reto Schmidlin, Matthew S. Platz, and Atnaf Admasu pp 7011–7019 DOI: 10.1021/ja9903328 Supporting Info

Poppy Acid:  Synthesis and Crystal Chemistry Scott Lovell, Paramjeet Subramony, and Bart Kahr pp 7020–7025 DOI: 10.1021/ja990402a Supporting Info

An Intramolecular Titanium-Catalyzed Asymmetric Pauson−Khand Type Reaction1 Frederick A. Hicks and Stephen L. Buchwald pp 7026–7033 DOI: 10.1021/ja990683m Supporting Info

Stepwise Solid-Phase Synthesis of Polyamides as Linkers Keith Rose and Jean Vizzavona pp 7034–7038 DOI: 10.1021/ja9909879

Insertion of 1-Chloro-1-lithioalkenes into Organozirconocenes. A Versatile Synthesis of Stereodefined Unsaturated Systems Aleksandr Kasatkin and Richard J. Whitby pp 7039–7049 DOI: 10.1021/ja9910208

New Chemical Synthesis of the Promising Cancer Chemotherapeutic Agent 12,13-Desoxyepothilone B: Discovery of a Surprising Long-Range Effect on the Diastereoselectivity of an Aldol Condensation Christina R. Harris, Scott D. Kuduk, Aaron Balog, Ken Savin, Peter W. Glunz, and Samuel J. Danishefsky pp 7050–7062 DOI: 10.1021/ja991189l Supporting Info

Co−C Bond Activation in B12-Dependent Enzymes:  Cryogenic Resonance Raman Studies of Methylmalonyl-Coenzyme A Mutase Shoulian Dong, Raghavakaimal Padmakumar, Ruma Banerjee, and Thomas G. Spiro pp 7063–7070 DOI: 10.1021/ja982753f

Mimicking the HDS Activity of Ruthenium-Based Catalysts 2:  The Hydrogenation of Benzo[b]thiophene to 2,3-Dihydrobenzo[b]thiophene Claudio Bianchini, Andrea Meli, Simonetta Moneti, Werner Oberhauser, Francesco Vizza, Verónica Herrera, Alberto Fuentes, and Roberto A. Sánchez-Delgado pp 7071–7080 DOI: 10.1021/ja983224e Supporting Info

Redox and Fluorophore Functionalization of Water-Soluble, Tiopronin-Protected Gold Clusters Allen C. Templeton, David E. Cliffel, and Royce W. Murray pp 7081–7089 DOI: 10.1021/ja990513+

Interaction of Curved and Flat Molecular Surfaces. The Structures of Crystalline Compounds Composed of Fullerene (C60, C60O, C70, and C120O) and Metal Octaethylporphyrin Units Marilyn M. Olmstead, David A. Costa, Kalyani Maitra, Bruce C. Noll, Shane L. Phillips, Pamela M. Van Calcar, and Alan L. Balch pp 7090–7097 DOI: 10.1021/ja990618c Supporting Info

New [M(R,R‘timdt)2] Metal-Dithiolenes and Related Compounds (M = Ni, Pd, Pt; R,R‘timdt = Monoanion of Disubstituted Imidazolidine-2,4,5-trithiones):  An Experimental and Theoretical Investigation Maria Carla Aragoni, Massimiliano Arca, Francesco Demartin, Francesco A. Devillanova, Alessandra Garau, Francesco Isaia, Francesco Lelj, Vito Lippolis, and Gaetano Verani pp 7098–7107 DOI: 10.1021/ja990827x Supporting Info

Temperature Effects on Electron Transfer within Intervalence Bis(Hydrazine) Radical Cations Stephen F. Nelsen, Rustem F. Ismagilov, Kevin E. Gentile, and Douglas R. Powell pp 7108–7114 DOI: 10.1021/ja984047k Supporting Info

Interrelationships between Conformational Dynamics and the Redox Chemistry of S-Nitrosothiols N. Arulsamy, D. S. Bohle, J. A. Butt, G. J. Irvine, P. A. Jordan, and E. Sagan pp 7115–7123 DOI: 10.1021/ja9901314

Ab Initio Direct Dynamics Trajectory Study of the Cl- + CH3Cl SN2 Reaction at High Reagent Translational Energy Guosheng Li and William L. Hase pp 7124–7129 DOI: 10.1021/ja990607j

Diastereoselectivity in Gas-Phase Hydride Reduction Reactions of Ketones Alexander Artau, Yeunghaw Ho, Hilkka Kenttämaa, and Robert R. Squires pp 7130–7137 DOI: 10.1021/ja9910053

Spectroscopic Studies and Electronic Structure Description of the High Potential Type 1 Copper Site in Fungal Laccase:  Insight into the Effect of the Axial Ligand Amy E. Palmer, David W. Randall, Feng Xu, and Edward I. Solomon pp 7138–7149 DOI: 10.1021/ja991087v Supporting Info

An Unusual Cleavage of an Energetic Carbene Guopin Xu, Tsong-Ming Chang, Jinglan Zhou, Michael L. McKee, and Philip B. Shevlin pp 7150–7151 DOI: 10.1021/ja990205b Supporting Info

Naphthyldiamine Diradical Dications. Triplet Dications of 2,7-Bis(amino)naphthalene and 2,7-Bis(phenylenediamino)naphthalene Trent D. Selby and Silas C. Blackstock pp 7152–7153 DOI: 10.1021/ja984169c Supporting Info

Self-Assembly of Rodlike Hydrogen-Bonded Nanostructures Harm-Anton Klok, Katrina A. Jolliffe, Caroline L. Schauer, Leonard J. Prins, Joachim P. Spatz, Martin Möller, Peter Timmerman, and David N. Reinhoudt pp 7154–7155 DOI: 10.1021/ja9905344 Supporting Info

A Unique Example of a Self-assembled Hydrogen-Bonded Polynuclear Sheet in the Solid-State Structure of a Retrobispeptide−Copper(II) Complex Isabella L. Karle, Darshan Ranganathan, and Sunita Kurur pp 7156–7157 DOI: 10.1021/ja990446j Supporting Info

Can Single-Electron Transfer Break an Aromatic Carbon−Heteroatom Bond in One Step? A Novel Example of Transition between Stepwise and Concerted Mechanisms in the Reduction of Aromatic Iodides Laurence Pause, Marc Robert, and Jean-Michel Savéant pp 7158–7159 DOI: 10.1021/ja991365q

Ruthenium Carbonyl-Catalyzed [2 + 2 + 1]- Cycloaddition of Ketones, Olefins, and Carbon Monoxide, Leading to Functionalized γ-Butyrolactones Naoto Chatani, Mamoru Tobisu, Taku Asaumi, Yoshiya Fukumoto, and Shinji Murai pp 7160–7161 DOI: 10.1021/ja991223w Supporting Info

Improved Polypyrrole/Silicon Junctions by Surfacial Modification of Hydrogen-Terminated Silicon Using Organolithium Reagents Namyong Y. Kim and Paul E. Laibinis pp 7162–7163 DOI: 10.1021/ja990260k Supporting Info

A New Class of Iodonium Ylides Engineered as Soluble Primary Oxo and Nitrene Sources Dainius Macikenas, Ewa Skrzypczak-Jankun, and John D. Protasiewicz pp 7164–7165 DOI: 10.1021/ja991094j Supporting Info

Expression, Purification, and Characterization of TylB, an Aminotransferase Involved in the Biosynthesis of Mycaminose Huawei Chen, Siu-Man Yeung, Nanette L. S. Que, Thomas Müller, Richard R. Schmidt, and Hung-wen Liu pp 7166–7167 DOI: 10.1021/ja991213v

Boron-Mediated Double Aldol Reaction of Carboxylic Esters Atsushi Abiko, Ji-Feng Liu, Dana C. Buske, Satoshi Moriyama, and Satoru Masamune pp 7168–7169 DOI: 10.1021/ja9914184 Supporting Info

Reversible Oxygenation of a Diphenylmethyl Radical Rendered Supramolecularly Persistent Takashi Hirano, Wei Li, Lloyd Abrams, Paul J. Krusic, M. Francesca Ottaviani, and Nicholas J. Turro pp 7170–7171 DOI: 10.1021/ja9912628 Supporting Info

Handbook of Chemical Technology and Pollution Control By Martin B. Hocking (University of Victoria). Academic Press:  New York. 1998. xxiv + 777 pp. $125. ISBN 0-12-350810-X. William A. Anderson p 7172 DOI: 10.1021/ja985702r

A Very Large Metallosupramolecular Capsule with Cube-like 43 Topology Assembled from Twelve Cu(II) Centers and Eight Tri-Bidentate Tri-Anionic Ligands Derived from 2,4,6-Triphenylazo-1,3,5-trihydroxybenzene J. Am. Chem. Soc. 1999, 121, 3535−3536 Brendan F. Abrahams, Simon J. Egan, and Richard Robson p 7172 DOI: 10.1021/ja9955215 Supporting Info

Issue 31

Theoretical Studies of Carbocations in Ion Pairs. 4.1 The Interconversion of the 1-Propyl Cation and Protonated Cyclopropane Dan Frcaşiu and Dan Hâncu pp 7173–7181 DOI: 10.1021/ja9841963

Effect of Ion Pairing on Charge Transfer in the Bicyclooctatetraenyl Dianion Stuart W. Staley, Russell A. Grimm, Patrik Boman, and Bertil Eliasson pp 7182–7187 DOI: 10.1021/ja990616s

Hexakis(carbonyl)iron(II) Undecafluorodiantimonate(V), [Fe(CO)6][Sb2F11]2, and -Hexafluoroantimonate(V), [Fe(CO)6][SbF6]2, Their Syntheses, and Spectroscopic and Structural Characterization by Single Crystal X-ray Diffraction and Normal Coordinate Analysis Eduard Bernhardt, Bianca Bley, Rudolf Wartchow, Helge Willner, Eckhard Bill, Peter Kuhn, Iona H. T. Sham, Matthias Bodenbinder, Raimund Bröchler, and Friedhelm Aubke pp 7188–7200 DOI: 10.1021/ja990958y Supporting Info

Mono- and Dinuclear Silica-Supported Titanium(IV) Complexes and the Effect of TiOTi Connectivity on Reactivity Abdillahi Omar Bouh, Gordon L. Rice, and Susannah L. Scott pp 7201–7210 DOI: 10.1021/ja9829160 Supporting Info

Effects of Molecular Charge on Photoinduced Electron-Transfer Reactions Taeko Niwa Inada, Chika Sato Miyazawa, Koichi Kikuchi, Masayo Yamauchi, Takeshi Nagata, Yasutake Takahashi, Hiroshi Ikeda, and Tsutomu Miyashi pp 7211–7219 DOI: 10.1021/ja984156z

Li+−(Diglyme)2 and LiClO4−Diglyme Complexes:  Barriers to Lithium Ion Migration Anwar G. Baboul, Paul C. Redfern, Amin Sutjianto, and Larry A. Curtiss pp 7220–7227 DOI: 10.1021/ja990507d

Isolation, Modification, and NMR Assignments of a Series of Cellulose Oligomers Lisa A. Flugge, Jarred T. Blank, and Peter A. Petillo pp 7228–7238 DOI: 10.1021/ja990561u Supporting Info

Kinetics of the Reduction of Dialkyl Peroxides. New Insights into the Dynamics of Dissociative Electron Transfer1 Robert L. Donkers, Flavio Maran, Danial D. M. Wayner, and Mark S. Workentin pp 7239–7248 DOI: 10.1021/ja9906148

Mechanism of the Methane → Methanol Conversion Reaction Catalyzed by Methane Monooxygenase:  A Density Functional Study Harold Basch, Koichi Mogi, Djamaladdin G. Musaev, and Keiji Morokuma pp 7249–7256 DOI: 10.1021/ja9906296 Supporting Info

Mercury−Mercury Tunneling Junctions. 1. Electron Tunneling Across Symmetric and Asymmetric Alkanethiolate Bilayers Krzysztof Slowinski, Harold K. Y. Fong, and Marcin Majda pp 7257–7261 DOI: 10.1021/ja991613i

Side Group Interactions in a Polydiacetylene Single Crystal James L. Foley, Lian Li, Daniel J. Sandman, Michael J. Vela, Bruce M. Foxman, Rick Albro, and Craig J. Eckhardt pp 7262–7263 DOI: 10.1021/ja990436i Supporting Info

Mn(II)-Induced Formation and Structural Elucidation of a [3 + 3] Benzene Dimer Derivative from m-Phenylenebis(N-tert-butylaminoxyl) Fumiyasu Iwahori, Katsuya Inoue, and Hiizu Iwamura pp 7264–7265 DOI: 10.1021/ja9844534 Supporting Info

Self-Assembling Peptidomimetic Monolayer Nucleates Oriented CdS Nanocrystals Haimanot Bekele, Janos H. Fendler, and Jeffery W. Kelly pp 7266–7267 DOI: 10.1021/ja991416j Supporting Info

Palladium-Catalyzed Allylic Substitution Polymerization:  Polycondensation of Carbon−Carbon Bond Formation by Linkage between Csp3 and Csp3 of Monomers Nobuyoshi Nomura, Ko Tsurugi, and Masahiko Okada pp 7268–7269 DOI: 10.1021/ja991211a Supporting Info

Three-Coordinate Cu(II) Complexes:  Structural Models of Trigonal-Planar Type 1 Copper Protein Active Sites Patrick L. Holland and William B. Tolman pp 7270–7271 DOI: 10.1021/ja991533e Supporting Info

Formation of Transient and Long-Lived Cyclopropenyl Anions Tina L. Arrowood and Steven R. Kass pp 7272–7273 DOI: 10.1021/ja991224o

The One-Electron Oxidation of an Azazirconacyclobutene in the Presence of B(C6F5)3 C. Jeff Harlan, Tony Hascall, Etsuko Fujita, and Jack R. Norton pp 7274–7275 DOI: 10.1021/ja984290j Supporting Info

Modular Control over the Selectivity of Self-Assembling and Membrane-Spanning Ion Conductors Sijbren Otto, Manette Osifchin, and Steven L. Regen pp 7276–7277 DOI: 10.1021/ja990505t Supporting Info

Asymmetric Thermal Transformation, a New Way to Enantiopure Biphenyl-Bridged Titanocene and Zirconocene Complexes:  Efficient Catalysts for Asymmetric Imine Hydrogenation J. Am. Chem. Soc. 1999, 121, 1524−1527 Markus Ringwald, Rainer Stürmer, Hans Herbert Brintzinger p 7278 DOI: 10.1021/ja9955161

Origin of the Preference for the Orbital Symmetry Forbidden Stereochemisty of the 1,5-Sigmatropic Shift of Substituted Norcaradienes [J. Am. Chem. Soc. 1999, 121, 4524−4525]. Achim Kless, Maja Nendel, Sarah Wilsey, and K. N. Houk p 7278 DOI: 10.1021/ja995522x

Issue 32

Determination of Two Structural Forms of Catalytic Bridging Ligand in Zinc−Phosphotriesterase by Molecular Dynamics Simulation and Quantum Chemical Calculation Chang-Guo Zhan, Osmar Norberto de Souza, Robert Rittenhouse, and Rick L. Ornstein pp 7279–7282 DOI: 10.1021/ja9906397

A Catalytic Enantioselective Route to Hydroxy-Substituted Quaternary Carbon Centers:  Resolution of Tertiary Aldols with a Catalytic Antibody Benjamin List, Doron Shabat, Guofu Zhong, James M. Turner, Anthony Li, Tommy Bui, James Anderson, Richard A. Lerner, and Carlos F. Barbas III pp 7283–7291 DOI: 10.1021/ja991507g

Affinity Gel Electrophoresis of DNA Björn Åkerman pp 7292–7301 DOI: 10.1021/ja984154e

Nanostructure Templating in Inorganic Solids with Organic Lyotropic Liquid Crystals Paul V. Braun, Paul Osenar, Valeria Tohver, Scott B. Kennedy, and Samuel I. Stupp pp 7302–7309 DOI: 10.1021/ja9833725

Wild-Type RNA MicrohelixAla and 3:70 Variants:  Molecular Dynamics Analysis of Local Helical Structure and Tightly Bound Water Maria C. Nagan, Stephanie S. Kerimo, Karin Musier-Forsyth, and Christopher J. Cramer pp 7310–7317 DOI: 10.1021/ja9842565 Supporting Info

Efficient Light-Dependent DNA Repair Requires a Large Cofactor Separation Robert Epple and Thomas Carell pp 7318–7329 DOI: 10.1021/ja990466l

Dynamics of DNA Condensates at the Solid−Liquid Interface by Atomic Force Microscopy Michele Y. Ono and Eileen M. Spain pp 7330–7334 DOI: 10.1021/ja9915697

Absolute Rates of Intermolecular Carbon−Hydrogen Abstraction Reactions by Fluorinated Radicals Alexander B. Shtarev, Feng Tian, William R. Dolbier, Jr., and Bruce E. Smart pp 7335–7341 DOI: 10.1021/ja990521q Supporting Info

Titanium Alkoxide-Based Method for Stereoselective Synthesis of Functionalized Conjugated Dienes Takashi Hamada, Daisuke Suzuki, Hirokazu Urabe, and Fumie Sato pp 7342–7344 DOI: 10.1021/ja9905694 Supporting Info

The Alkane σ-Bond Basicity Scale Revisited Pierre M. Esteves, Gabriel G. P. Alberto, Alejandro Ramírez-Solís, and Claudio J. A. Mota pp 7345–7348 DOI: 10.1021/ja9906812

Hydrolysis Mechanism of the Phenylalanine−Proline Peptide Bond Specific to HIV-1 Protease:  Investigation by the ab Initio Molecular Orbital Method Noriaki Okimoto, Toshiyuki Tsukui, Masayuki Hata, Tyuji Hoshino, and Minoru Tsuda pp 7349–7354 DOI: 10.1021/ja9841106

The Effect of pH on Multibubble Sonoluminescence from Aqueous Solutions Containing Simple Organic Weak Acids and Bases Muthupandian Ashokkumar, Paul Mulvaney, and Franz Grieser pp 7355–7359 DOI: 10.1021/ja990482i

Manganese as a Replacement for Magnesium and Zinc:  Functional Comparison of the Divalent Ions Charles W. Bock, Amy Kaufman Katz, George D. Markham, and Jenny P. Glusker pp 7360–7372 DOI: 10.1021/ja9906960 Supporting Info

Polymerization Coupled To Oscillating Reactions:  (1) A Mechanistic Investigation of Acrylonitrile Polymerization in the Belousov−Zhabotinsky Reaction in a Batch Reactor Randy P. Washington, William W. West, Gauri P. Misra, and John A. Pojman pp 7373–7380 DOI: 10.1021/ja990743o

Absolute Rate Constants for the β-Scission and Hydrogen Abstraction Reactions of the tert-Butoxyl Radical and for Several Radical Rearrangements:  Evaluating Delayed Radical Formations by Time-Resolved Electron Spin Resonance Matthias Weber and Hanns Fischer pp 7381–7388 DOI: 10.1021/ja990837y Supporting Info

Structural and Bonding Trends in Platinum−Carbon Clusters Thomas F. Miller III and Michael B. Hall pp 7389–7396 DOI: 10.1021/ja990854n

Structural Dynamics in the Guanylate Cyclase Heme Pocket after CO Photolysis Johannes P. M. Schelvis, Seonyoung Kim, Yunde Zhao, Michael A. Marletta, and Gerald T. Babcock pp 7397–7400 DOI: 10.1021/ja9909071

Complexes of CO2, COS, and CS2 with the Super Lewis Acid BH4+ Contrasted with Extremely Weak Complexations with BH3:  Theoretical Calculations and Experimental Relevance1 Golam Rasul, G. K. Surya Prakash, and George A. Olah pp 7401–7404 DOI: 10.1021/ja991171a

The First Examples of Platinum(II)−Cadmium(II) Bonds:  The Role of Strong Field Ligands in Making Dative Pt→M Bonds Tadashi Yamaguchi, Fumie Yamazaki, and Tasuku Ito pp 7405–7406 DOI: 10.1021/ja991053n Supporting Info

Highly Effective Soluble Polymer-Supported Catalysts for Asymmetric Hydrogenation Qing-hua Fan, Chang-yu Ren, Chi-hung Yeung, Wen-hao Hu, and Albert S. C. Chan pp 7407–7408 DOI: 10.1021/ja9837497 Supporting Info

Preparation of Structurally Well-Defined Polymer−Nanoparticle Hybrids with Controlled/Living Radical Polymerizations Timothy von Werne and Timothy E. Patten pp 7409–7410 DOI: 10.1021/ja991108l Supporting Info

The tert-Butylsulfinyl Group as a Highly Efficient Chiral Auxiliary in Asymmetric Pauson−Khand Reactions Javier Adrio and Juan C. Carretero pp 7411–7412 DOI: 10.1021/ja990546p Supporting Info

Conformational Analysis Using ab Initio Vibrational Spectroscopy:  3-Methylcyclohexanone F. J. Devlin and P. J. Stephens pp 7413–7414 DOI: 10.1021/ja9910513

The First Open Framework Actinide Material (C4N2H12)U2O4F6 (MUF-1) P. S. Halasyamani, S. M. Walker, and D. O'Hare pp 7415–7416 DOI: 10.1021/ja9912271 Supporting Info

Mutation of Tyrosine Residues Involved in the Alkylation Half Reaction of Epoxide Hydrolase from Agrobacterium radiobacter AD1 Results in Improved Enantioselectivity Rick Rink, Jeffrey H. Lutje Spelberg, Roland J. Pieters, Jaap Kingma, Marco Nardini, Richard M. Kellogg, Bauke W. Dijkstra, and Dick B. Janssen pp 7417–7418 DOI: 10.1021/ja990501o

The Temperature Dependence of Enzyme Rate Enhancements Richard Wolfenden, Mark Snider, Caroline Ridgway, and Brian Miller pp 7419–7420 DOI: 10.1021/ja991280p

Regioselective C−H Bond Activation of Alkanes by a Trinuclear Ruthenium Trihydride Complex Having a μ3-Sulfido Ligand Kouki Matsubara, Akiko Inagaki, Masako Tanaka, and Hiroharu Suzuki pp 7421–7422 DOI: 10.1021/ja990611v Supporting Info

Total Synthesis of (−)-Cylindrocyclophane F Amos B. Smith, III, Sergey A. Kozmin, and Daniel V. Paone pp 7423–7424 DOI: 10.1021/ja991538b Supporting Info

The First Total Synthesis of (±)-Saudin Jeffrey D. Winkler and Elizabeth M. Doherty pp 7425–7426 DOI: 10.1021/ja9916198 Supporting Info

Initiators for End-Group Functionalized Polypeptides via Tandem Addition Reactions Scott A. Curtin and Timothy J. Deming pp 7427–7428 DOI: 10.1021/ja990905g Supporting Info

Self-Assembly of Aβ(10-35)-PEG Block Copolymer Fibrils Timothy S. Burkoth, Tammie L. S. Benzinger, Volker Urban, David G. Lynn, Stephen C. Meredith, and P. Thiyagarajan pp 7429–7430 DOI: 10.1021/ja991233x

Total Synthesis of (±)-Isostemofoline Andrew S. Kende, Terrence L. Smalley, Jr., and He Huang pp 7431–7432 DOI: 10.1021/ja991528a Supporting Info

A First High-Field EPR Study of Photoinduced Electron Transfer in a Base-Paired Porphyrin−Dinitrobenzene Supramolecular Complex Alexander Berg, Zohar Shuali, Motoko Asano-Someda, and Haim LevanonMichael Fuhs and Klaus MöbiusRuizheng Wang, Chris Brown, and Jonathan L. Sessler pp 7433–7434 DOI: 10.1021/ja990734f

Stoichiometry, Free Energy, and Kinetic Aspects of Cytochrome c:  Apaf-1 Binding in Apoptosis Cherie Purring, Hua Zou, Xiaodong Wang, and George McLendon pp 7435–7436 DOI: 10.1021/ja991235h

Primary Vinyl Cations in Solution:  Kinetics and Products of β,β-Disubstituted Alkenyl(aryl)iodonium Triflate Fragmentations Robert J. Hinkle, Anne J. McNeil, Quinn A. Thomas, and Marie N. Andrews pp 7437–7438 DOI: 10.1021/ja9916310 Supporting Info

Synthesis and Quantum Mechanical Structure of sym-Pentamethylcorannulene and Decamethylcorannulene T. Jon Seiders, Kim K. Baldridge, Eric L. Elliott, Gunther H. Grube, and Jay S. Siegel pp 7439–7440 DOI: 10.1021/ja991486q

Characterization of 15N Chemical Shift Anisotropy from Orientation-Dependent Changes to 15N Chemical Shifts in Dilute Bicelle Solutions Jonathan Boyd and Christina Redfield pp 7441–7442 DOI: 10.1021/ja9911216 Supporting Info

Nazarov-Initiated Diastereoselective Cascade Polycyclization of Aryltrienones1 John A. Bender, Atta M. Arif, and F. G. West pp 7443–7444 DOI: 10.1021/ja991215f Supporting Info

Charge Separation in Solid-State Dye-Sensitized Heterojunction Solar Cells Udo Bach, Yasuhiro Tachibana, Jacques-E. Moser, Saif A. Haque, James R. Durrant, Michael Grätzel, and David R. Klug pp 7445–7446 DOI: 10.1021/ja9915403 Supporting Info

Surface Cleaning and Adsorbate Layer Formation:  Dual Role of Alkylamines in the Formation of Self-Assembled Monolayers on Cuprate Superconductors Jason E. Ritchie, William R. Murray, Katherine Kershan, Veronica Diaz, Long Tran, and John T. McDevitt pp 7447–7448 DOI: 10.1021/ja991165e Supporting Info

The Role of Histidine Ligands in the Structure of Purple CuA Azurin Xiaotang Wang, Steven M. Berry, Yaomin Xia, and Yi Lu pp 7449–7450 DOI: 10.1021/ja991304s Supporting Info

A Novel Coordinated Inorganic Benzene:  Synthesis and Characterization of {η5-C5Me5Re}2{μ-η6:η6-B4H4Co2(CO)5} Sundargopal Ghosh, Maoyu Shang, and Thomas P. Fehlner pp 7451–7452 DOI: 10.1021/ja991306c Supporting Info

Site-Directed Photocleavage for Mapping Protein Architecture Reiko Miyake, Jeffrey T. Owens, Dadong Xu, William M. Jackson, and Claude F. Meares pp 7453–7454 DOI: 10.1021/ja991687u

Encapsulation of Ion−Molecule Complexes:  Second-Sphere Supramolecular Chemistry Arne Lützen, Adam R. Renslo, Christoph A. Schalley, Brendan M. O'Leary, and Julius Rebek, Jr. pp 7455–7456 DOI: 10.1021/ja991747w Supporting Info

Quantitative Formation of Coordination Nanotubes Templated by Rodlike Guests Masaru Aoyagi, Kumar Biradha, and Makoto Fujita pp 7457–7458 DOI: 10.1021/ja991301f Supporting Info

Self-Complementary Cavitands Adam R. Renslo, Dmitry M. Rudkevich, and Julius Rebek, Jr. pp 7459–7460 DOI: 10.1021/ja991537j Supporting Info

Probing the Structure of an RNA Tertiary Unfolding Transition State Emily J. Maglott, Jay T. Goodwin, and Gary D. Glick pp 7461–7462 DOI: 10.1021/ja9913075 Supporting Info

Issue 33

Class II Ribonucleotide Reductases Catalyze Carbon−Cobalt Bond Reformation on Every Turnover Stuart S. Licht, Christopher C. Lawrence, and JoAnne Stubbe pp 7463–7468 DOI: 10.1021/ja9913840 Supporting Info

Quantitative Assessment of Metabolic Flux by 13C NMR Analysis. Biosynthesis of Anthraquinones in Rubia tinctorum Dietmar Eichinger, Adelbert Bacher, Meinhart H. Zenk, and Wolfgang Eisenreich pp 7469–7475 DOI: 10.1021/ja990622o

Carbene−Bridgehead Olefin−Carbene Rearrangement:  Formation of the Tetracyclo[4.3.0.02,8.04,7]nonane Skeleton by Carbene CH Insertion1 Thomas Ströter and Günter Szeimies pp 7476–7484 DOI: 10.1021/ja984114a

Broad Spectrum Catalytic System for the Deep Oxidation of Toxic Organics in Aqueous Medium Using Dioxygen as the Oxidant Anne Pifer, Terrence Hogan, Benjamin Snedeker, Robert Simpson, Minren Lin, Chengyu Shen, and Ayusman Sen pp 7485–7492 DOI: 10.1021/ja990244n

Hydrogen and the Structure of the Transition Aluminas Karl Sohlberg, Stephen J. Pennycook, and Sokrates T. Pantelides pp 7493–7499 DOI: 10.1021/ja991098o

Investigation of the Binding of Fluorolumazines to the 1-MDa Capsid of Lumazine Synthase by 15N{19F} REDOR NMR Jon M. Goetz, Barbara Poliks, Daniel R. Studelska, Markus Fischer, Karl Kugelbrey, Adelbert Bacher, Mark Cushman, and Jacob Schaefer pp 7500–7508 DOI: 10.1021/ja983792u

Investigations of a Nucleophilic Alaninol Synthon Derived from Serine Mukund P. Sibi, Drew Rutherford, Paul A. Renhowe, and Biqin Li pp 7509–7516 DOI: 10.1021/ja9906249 Supporting Info

Free Radical-Mediated Intermolecular Conjugate Additions. Effect of the Lewis Acid, Chiral Auxiliary, and Additives on Diastereoselectivity Mukund P. Sibi, Jianguo Ji, Justin B. Sausker, and Craig P. Jasperse pp 7517–7526 DOI: 10.1021/ja991205e Supporting Info

Palladium-Catalyzed Synthesis of Pure, Regiodefined Polymeric Triarylamines Felix E. Goodson, Sheila I. Hauck, and John F. Hartwig pp 7527–7539 DOI: 10.1021/ja990632p

Total Synthesis of Bryostatin 2 David A. Evans, Percy H. Carter, Erick M. Carreira, André B. Charette, Joëlle A. Prunet, and Mark Lautens pp 7540–7552 DOI: 10.1021/ja990860j Supporting Info

Complex-Induced Proximity Effects in Directed Lithiations:  Analysis of Intra- and Intermolecular Kinetic Isotope Effects in Directed Aryl and Benzylic Lithiations David R. Anderson, Neil C. Faibish, and Peter Beak pp 7553–7558 DOI: 10.1021/ja991043m Supporting Info

Chiral Bis(oxazoline)copper(II) Complexes as Lewis Acid Catalysts for the Enantioselective Diels−Alder Reaction David A. Evans, Scott J. Miller, Thomas Lectka, and Peter von Matt pp 7559–7573 DOI: 10.1021/ja991190k Supporting Info

Synthesis and Structural Characterization of Helix-Forming β-Peptides:  trans-2-Aminocyclopentanecarboxylic Acid Oligomers Daniel H. Appella, Laurie A. Christianson, Daniel A. Klein, Michele R. Richards, Douglas R. Powell, and Samuel H. Gellman pp 7574–7581 DOI: 10.1021/ja991185g Supporting Info

Bis(oxazoline) and Bis(oxazolinyl)pyridine Copper Complexes as Enantioselective Diels−Alder Catalysts:  Reaction Scope and Synthetic Applications David A. Evans, David M. Barnes, Jeffrey S. Johnson, Thomas Lectka, Peter von Matt, Scott J. Miller, Jerry A. Murry, Roger D. Norcross, Eileen A. Shaughnessy, and Kevin R. Campos pp 7582–7594 DOI: 10.1021/ja991191c Supporting Info

(2-Vinylcyclopropyl)carbenes. More Stepwise Mechanisms for Ring-Expansion Jordan M. Cummins, Istvàn Pelczer, and Maitland Jones, Jr. pp 7595–7599 DOI: 10.1021/ja991254r

Cuprous Chloride Accelerated Stille Reactions. A General and Effective Coupling System for Sterically Congested Substrates and for Enantioselective Synthesis Xiaojun Han, Brian M. Stoltz, and E. J. Corey pp 7600–7605 DOI: 10.1021/ja991500z Supporting Info

Modeling the Hydrodesulfurization Reaction at Nickel. Unusual Reactivity of Dibenzothiophenes Relative to Thiophene and Benzothiophene David A. Vicic and William D. Jones pp 7606–7617 DOI: 10.1021/ja9905997 Supporting Info

Preferred Alignment of Mesochannels in a Mesoporous Silica Film Grown on a Silicon (110) Surface Hirokatsu Miyata and Kazuyuki Kuroda pp 7618–7624 DOI: 10.1021/ja990758m

Ionic Hydrogen Bond Effects on the Acidities, Basicities, Solvation, Solvent Bridging, and Self-Assembly of Carboxylic Groups Michael Meot-Ner (Mautner), Donald E. Elmore, and Steve Scheiner pp 7625–7635 DOI: 10.1021/ja982173i Supporting Info

Solid-State NMR Line Shapes of Uniaxially Oriented Immobile Systems Alexander A. Nevzorov, Stephan Moltke, Maarten P. Heyn, and Michael F. Brown pp 7636–7643 DOI: 10.1021/ja9821910

A Density Functional Theory Study of the Interaction between CO and O on a Pt Surface: CO/Pt(111), O/Pt(111), and CO/O/Pt(111) K. Bleakley and P. Hu pp 7644–7652 DOI: 10.1021/ja983363w

1D- and 2D-ESEEM Study of the Semiquinone Radical QA- of Photosystem II Yiannis Deligiannakis, Jonathan Hanley, and A. William Rutherford pp 7653–7664 DOI: 10.1021/ja984209c

Competitive Binding in Magnesium Coordination Chemistry:  Water versus Ligands of Biological Interest Todor Dudev, J. A. Cowan, and Carmay Lim pp 7665–7673 DOI: 10.1021/ja984470t

129Xe NMR Spectroscopy of Metal Carbonyl Clusters and Metal Clusters in Zeolite NaY Andrea Labouriau, Ghansham Panjabi, Bryan Enderle, Tanja Pietrass, Bruce C. Gates, William L. Earl, and Kevin C. Ott pp 7674–7681 DOI: 10.1021/ja990532j

Packing Stress Relaxation in Polymer−Lipid Monolayers at the Air−Water Interface:  An X-ray Grazing-Incidence Diffraction and Reflectivity Study T. L. Kuhl, J. Majewski, P. B. Howes, K. Kjaer, A. von Nahmen, K. Y. C. Lee, B. Ocko, J. N. Israelachvili, and G. S. Smith pp 7682–7688 DOI: 10.1021/ja991048j

The Ionization Energy of CF3:  When Does Entropy Matter in Gas-Phase Reactions? Karl K. Irikura pp 7689–7695 DOI: 10.1021/ja991350s Supporting Info

Stoichiometric and Catalytic B−C Bond Formation from Unactivated Hydrocarbons and Boranes Carl N. Iverson and Milton R. Smith, III pp 7696–7697 DOI: 10.1021/ja991258w Supporting Info

Engineering and Chemical Synthesis of a Transmembrane Protein:  The HCV Protease Cofactor Protein NS4A Elisabetta Bianchi, Raffaele Ingenito, Reyna J. Simon, and Antonello Pessi pp 7698–7699 DOI: 10.1021/ja9901617 Supporting Info

Long-Range Structural Information in NMR Studies of Paramagnetic Molecules from Electron Spin−Nuclear Spin Cross-Correlated Relaxation Jérôme Boisbouvier, Pierre Gans, Martin Blackledge, Bernhard Brutscher, and Dominique Marion pp 7700–7701 DOI: 10.1021/ja991228t Supporting Info

Direct Stereo- and Enantiocontrolled Synthesis of Vicinal Stereogenic Quaternary Carbon Centers. Total Syntheses of meso- and (−)-Chimonanthine and (+)-Calycanthine Larry E. Overman, Daniel V. Paone, and Brian A. Stearns pp 7702–7703 DOI: 10.1021/ja991714g Supporting Info

Catalysis of Nucleobase via Multiple Hydrogen-Bonding Interactions:  Acceleration of Aminolysis of 6-Chloropurine Derivatives by Uracils Masahide Tominaga, Katsuaki Konishi, and Takuzo Aida pp 7704–7705 DOI: 10.1021/ja990944s Supporting Info

Modulation of Sequence Specificity of Duocarmycin-Dependent DNA Alkylation by Pyrrole−Imidazole Triamides Tsuyoshi Fujiwara, Zhi-Fu Tao, Yohei Ozeki, Isao Saito, Andrew H.-J. Wang, Moses Lee, and Hiroshi Sugiyama pp 7706–7707 DOI: 10.1021/ja991331i Supporting Info

Highly Enantioselective Cyclocarbonylation of Allylic Alcohols Catalyzed by Novel Pd-1,4-bisphosphine Complexes Ping Cao and Xumu Zhang pp 7708–7709 DOI: 10.1021/ja991547k Supporting Info

Electron Transport in a Conjugated Metallopolymer Containing Binuclear Osmium Centers with Strong Electronic Communication Colin G. Cameron and Peter G. Pickup pp 7710–7711 DOI: 10.1021/ja9915246

Intensity-Based Measurement of Homonuclear Residual Dipolar Couplings from CT-COSY Fang Tian, Pascal J. Bolon, and J. H. Prestegard pp 7712–7713 DOI: 10.1021/ja9910558

Palladium(II) Complexes of 2-Dimethylamino-2‘- diphenylphosphino-1,1‘-binaphthyl (MAP) with Unique P,Cσ-Coordination and Their Catalytic Activity in Allylic Substitution, Hartwig−Buchwald Amination, and Suzuki Coupling Pavel Koovský, Štěpán Vyskoil, Ivana Císařová, Jan Sejbal, Iva Tišlerová, Martin Smrina, Guy C. Lloyd-Jones, Susanna C. Stephen, Craig P. Butts, Martin Murray, and Vratislav Langer pp 7714–7715 DOI: 10.1021/ja990309m Supporting Info

Selective Inhibition, Separation, and Purification of Serine Proteases:  A Strategy Based on a Photoremovable Inhibitor Ned. A. Porter, Jan Willem Thuring, and Hui Li pp 7716–7717 DOI: 10.1021/ja990802y Supporting Info

Kinetic Resolution of Racemic Cyclic Olefins via Chiral Dioxirane Michael Frohn, Xiaoming Zhou, Jian-Rong Zhang, Yong Tang, and Yian Shi pp 7718–7719 DOI: 10.1021/ja9830039 Supporting Info

Chiral SEM Ether−Tin Tetrachloride as an Enantioselective Hydroxymethylating Reagent for Silyl Enol Ethers:  γ-Effect of Silicon Kazuaki Ishihara, Hiroko Nakamura, and Hisashi Yamamoto pp 7720–7721 DOI: 10.1021/ja9916613 Supporting Info

Biosynthesis of Vitamin B6:  Enzymatic Conversion of 1-Deoxy-d-xylulose-5-phosphate to Pyridoxol Phosphate David E. Cane, Shoucheng Du, J. Kenneth Robinson, Yuju Hsiung, and Ian D. Spenser pp 7722–7723 DOI: 10.1021/ja9914947

Intrinsic Barriers in Identity SN2 Reactions and the Periodic Table Shmaryahu Hoz, Harold Basch, Joel L. Wolk, Tova Hoz, and Esther Rozental pp 7724–7725 DOI: 10.1021/ja984315e Supporting Info

Triplet States with Unusual Spin Polarization Resulting from Radical Ion Pair Recombination at Short Distances Gary P. Wiederrecht, Walter A. Svec, and Michael R. WasielewskiTamar Galili and Haim Levanon pp 7726–7727 DOI: 10.1021/ja991828s Supporting Info

Advances in Carbene Chemistry. Volume 2 Edited by Udo Brinker (Universität Wien, Austria). JAI Press:  Stamford, CT. 1998. x + 295 pp. $109.50. ISBN 1-55938-837-4. Christopher M. Hadad p 7728 DOI: 10.1021/ja985703j

Advances in Metal and Semiconductor Clusters:  Cluster Materials. Volume 4 Edited by M. A. Duncan. JAI Press:  New York. 1998. 402 pp. $109.50. ISBN 0-7623-0058-2. C. M. Lukehart p 7728 DOI: 10.1021/ja9857155

Issue 34

Silyl Triflate-Mediated Ring-Closure and Rearrangement in the Synthesis of Potential Bisfuran-Containing Intermediates of Aflatoxin Biosynthesis Todd L. Graybill, Eduard G. Casillas, Kollol Pal, and Craig A. Townsend pp 7729–7746 DOI: 10.1021/ja990591x

Peroxidase Activity of Myoglobin Is Enhanced by Chemical Mutation of Heme-Propionates Takashi Hayashi, Yutaka Hitomi, Tsutomu Ando, Tadashi Mizutani, Yoshio Hisaeda, Susumu Kitagawa, and Hisanobu Ogoshi pp 7747–7750 DOI: 10.1021/ja9841005 Supporting Info

Mechanism of Inactivation of γ-Aminobutyric Acid Aminotransferase by (S)-4-Amino-4,5-dihydro-2-thiophenecarboxylic Acid Mengmeng Fu, Dejan Nikolic, Richard B. Van Breemen, and Richard B. Silverman pp 7751–7759 DOI: 10.1021/ja9915551

Polar Effects in Free-Radical Reactions. The Paradox of Reduction of Alkyl Iodides and Reductive Alkylation of Alkenes by Strong Oxidants (t-BuOOH, Pb(OAc)4) Francesco Minisci, Francesca Fontana, Francesco Recupero, Anna Bravo, Elvira Pagano, Cinzia Rinaldi, Marco di Luca, Flavia Grossi, and Hans-René Bjørsvik pp 7760–7765 DOI: 10.1021/ja9904179

Ab Initio Calculations on Spiropentane Stereomutations Lead to a Reinterpretation of the Experimental Results William T. G. Johnson, David A. Hrovat, and Weston Thatcher Borden pp 7766–7772 DOI: 10.1021/ja9906305 Supporting Info

5-F2t-Isoprostane, A Human Hormone? Douglass F. Taber, Kazuo Kanai, and Richard Pina pp 7773–7777 DOI: 10.1021/ja990859k Supporting Info

Total Synthesis of (−)-FR901483 Barry B. Snider and Hong Lin pp 7778–7786 DOI: 10.1021/ja991160h Supporting Info

Fluorinated Distyrylbenzene Chromophores:  Effect of Fluorine Regiochemistry on Molecular Properties and Solid-State Organization Michelle L. Renak, Glenn P. Bartholomew, Shujun Wang, Pascal J. Ricatto, Rene J. Lachicotte, and Guillermo C. Bazan pp 7787–7799 DOI: 10.1021/ja984440q Supporting Info

Non-Pyrolytic Syntheses of Buckybowls:  Corannulene, Cyclopentacorannulene, and a Semibuckminsterfullerene Andrzej Sygula and Peter W. Rabideau pp 7800–7803 DOI: 10.1021/ja991169j Supporting Info

Synthesis of Corannulene and Alkyl Derivatives of Corannulene T. Jon Seiders, Eric L. Elliott, Gunther H. Grube, and Jay S. Siegel pp 7804–7813 DOI: 10.1021/ja991310o Supporting Info

Efficient Total Syntheses of Resin Glycosides and Analogues by Ring-Closing Olefin Metathesis Alois Fürstner and Thomas Müller pp 7814–7821 DOI: 10.1021/ja991361l Supporting Info

Titanium and Zirconium Complexes That Contain the Tridentate Diamido Ligands [(i-PrN-o-C6H4)2O]2- ([i-PrNON]2-) and [(C6H11N-o-C6H4)2O]2- ([CyNON]2-) Robert Baumann, Rüdiger Stumpf, William M. Davis, Lan-Chang Liang, and Richard R. Schrock pp 7822–7836 DOI: 10.1021/ja983549v Supporting Info

Electron-Deficient Early−Late Heterobimetallic Sulfido Clusters. Unusual Reactivities of Ti2Ru2S4 Cubane-Type Clusters with Four Cyclopentadienyl Coligands Shin-ichiro Kabashima, Shigeki Kuwata, and Masanobu Hidai pp 7837–7845 DOI: 10.1021/ja990034a Supporting Info

Mössbauer Spectroscopy of the Spin Coupled Fe2+−{FeNO}7 Centers of Nitrosyl Derivatives of Deoxy Hemerythrin and Density Functional Theory of the {FeNO}7(S = 3/2) Motif Jorge H. Rodriguez, Yao-M. Xia, and Peter G. Debrunner pp 7846–7863 DOI: 10.1021/ja990129c Supporting Info

Competition between 1,2-Diol and 2-Hydroxy Acid Coordination in Cr(V)-Quinic Acid Complexes:  Implications for Stabilization of Cr(V) Intermediates of Relevance to Cr(VI)-Induced Carcinogenesis Rachel Codd and Peter A. Lay pp 7864–7876 DOI: 10.1021/ja9909780 Supporting Info

Electronic Structure of the H Cluster in [Fe]-Hydrogenases Codrina V. Popescu and Eckard Münck pp 7877–7884 DOI: 10.1021/ja991243y

Critical Role of Anisotropy for the Dimerization Energies of Two Protein−Protein Recognition Motifs: cis-N-Methylacetamide versus a β-Sheet Conformer of Alanine Dipeptide. A Joint ab Initio, Density Functional Theory, and Molecular Mechanics Investigation Nohad Gresh, Hong Guo, Dennis R. Salahub, Bernard P. Roques, and Sherif A. Kafafi pp 7885–7894 DOI: 10.1021/ja9742489

Electrical Breakdown of Aliphatic and Aromatic Self-Assembled Monolayers Used as Nanometer-Thick Organic Dielectrics Rainer Haag, Maria Anita Rampi, R. Erik Holmlin, and George M. Whitesides pp 7895–7906 DOI: 10.1021/ja990230h Supporting Info

Competing 1,3- and 1,2-Hydrogen Shifts in Gaseous Fluoropropyl Cations Thomas A. Shaler, Dan Borchardt, and Thomas Hellman Morton pp 7907–7913 DOI: 10.1021/ja990567j

Modeling Hindered-Amine Light Stabilizer-Promoted Polymer Stabilization:  Computational Insight into the Mechanism for Nitroxyl Radical Regeneration from Aminoethers Ivan Rossi, Alessandro Venturini, and Alessandro Zedda pp 7914–7917 DOI: 10.1021/ja9906655 Supporting Info

Metal Fragments and Extended Arrays on a Si(100)-(2×1) Surface. I. Theoretical Study of MLn Complexation to Si(100) Robert Konecny and Roald Hoffmann pp 7918–7924 DOI: 10.1021/ja991200h

A Porous Silicon Optical Biosensor:  Detection of Reversible Binding of IgG to a Protein A-Modified Surface Keiki-Pua S. Dancil, Douglas P. Greiner, and Michael J. Sailor pp 7925–7930 DOI: 10.1021/ja991421n

A General Mechanism for CO Oxidation on Close-Packed Transition Metal Surfaces Changjun Zhang, Peijun Hu, and Ali Alavi pp 7931–7932 DOI: 10.1021/ja991475x

Water-Soluble Colloidal Adams Catalyst:  Preparation and Use in Catalysis Manfred T. Reetz and Michael G. Koch pp 7933–7934 DOI: 10.1021/ja9906498

Multiple Scattering by NMR Yuan Cheng and David G. Cory pp 7935–7936 DOI: 10.1021/ja9843324 Supporting Info

Stereospecific and Structure-Dependent Insulin-Mimetic Oxovanadium(IV) Complexes with N,N‘-Ethylenebis(amino acids) Kenji Kawabe, Makoto Tadokoro, Akio Ichimura, Yoshitane Kojima, Toshikazu Takino, and Hiromu Sakurai pp 7937–7938 DOI: 10.1021/ja984225+ Supporting Info

Evidence for Sulfur-Based Radicals in Thiolate Compound I Intermediates Michael T. Green pp 7939–7940 DOI: 10.1021/ja991541v

Highly Regioselective Alkyne Cyclotrimerization Catalyzed by Titanium Complexes Supported by Proximally Bridged p-tert-Butylcalix[4]arene Ligands Oleg V. Ozerov, Folami T. Ladipo, and Brian O. Patrick pp 7941–7942 DOI: 10.1021/ja990740b Supporting Info

Pd(0)-Catalyzed Insertion−Cyclization Reaction of 2,3-Allenols with Aryl or Alkenyl Halides. Diastereoselective Synthesis of Highly Optically Active trans-2,3-Disubstituted Vinylic Oxiranes Shengming Ma and Shimin Zhao pp 7943–7944 DOI: 10.1021/ja9904888 Supporting Info

Reductive Elimination of Alkanes and Arenes from [Pd2R2(μ-H)(μ-dppm)2]PF6 Complexes Robert A. Stockland, Jr., Gordon K. Anderson, and Nigam P. Rath pp 7945–7946 DOI: 10.1021/ja990815b Supporting Info

Template Catalysis:  Catalytic Metalation of Porphyrins by Apocytochrome b562 Yasuhiro Ishida, Katsuaki Konishi, Teruyuki Nagamune, and Takuzo Aida pp 7947–7948 DOI: 10.1021/ja990868t Supporting Info

High Throughput Proteome-Wide Precision Measurements of Protein Expression Using Mass Spectrometry Ljiljana Paša-Tolić, Pamela K. Jensen, Gordon A. Anderson, Mary S. Lipton, Kim K. Peden, Suzana Martinović, Nikola Tolić, James E. Bruce, and Richard D. Smith pp 7949–7950 DOI: 10.1021/ja991063o

A Novel Synthesis of 4,5-Didehydrotropone−Co2(CO)4•dppm Complexes Nobuharu Iwasawa and Hiroyoshi Satoh pp 7951–7952 DOI: 10.1021/ja990338x Supporting Info

Resonance Raman Spectra of Legitimate Models for the Ubiquitous Compound I Intermediates of Oxidative Heme Enzymes Kazimierz Czarnecki, James R. Kincaid, and Hiroshi Fujii pp 7953–7954 DOI: 10.1021/ja991712w

Glycyl Radical Is a Stable Species in the Gas Phase František Tureek, F. Howland Carpenter, Michael J. Polce, and Chrys Wesdemiotis pp 7955–7956 DOI: 10.1021/ja991564+

Preparation of Macroporous Metal Films from Colloidal Crystals Peng Jiang, Joel Cizeron, Jane F. Bertone, and Vicki L. Colvin pp 7957–7958 DOI: 10.1021/ja991321h Supporting Info

1-Adamantyl-tert-butyltetrathiolane 2,3-Dioxide:  First Isolable vic-Disulfoxide and Efficient Precursor of S2O Akihiko Ishii, Masaaki Nakabayashi, and Juzo Nakayama pp 7959–7960 DOI: 10.1021/ja9915955 Supporting Info

Rigid Push−Pull Oligo(p-Phenylene) Rods:  Depolarization of Bilayer Membranes with Negative Membrane Potential Jean-Yves Winum and Stefan Matile pp 7961–7962 DOI: 10.1021/ja991133r Supporting Info

Nucleophilic Catalysis of Amide Isomerization Christopher Cox, Harald Wack, and Thomas Lectka pp 7963–7964 DOI: 10.1021/ja991487i Supporting Info

A Model for Hydride Transfer in Thymidylate Synthase Based on Unnatural Amino Acid Mutagenesis J. E. Barrett, C. M. Lucero, and P. G. Schultz pp 7965–7966 DOI: 10.1021/ja991040+

Printing Small Molecules as Microarrays and Detecting Protein−Ligand Interactions en Masse Gavin MacBeath, Angela N. Koehler, and Stuart L. Schreiber pp 7967–7968 DOI: 10.1021/ja991083q

In Situ Observation of a Surface Chemical Reaction by Fast X-Ray Photoelectron Spectroscopy Adam F. Lee, Karen Wilson, Ruth L. Middleton, Alessandro Baraldi, Andrea Goldoni, Giorgio Paolucci, and Richard M. Lambert pp 7969–7970 DOI: 10.1021/ja991858v

The First Structurally Characterized Homofullerene (Fulleroid) Andrew F. Kiely, Robert C. Haddon, Mark S. Meier, John P. Selegue, Carolyn Pratt Brock, Brian O. Patrick, Guan-Wu Wang, and Yongsheng Chen pp 7971–7972 DOI: 10.1021/ja991692y Supporting Info

Nitrogen−Halogen Intermolecular Forces in Solution Paul L. Wash, Shihong Ma, Ulrike Obst, and Julius Rebek, Jr. pp 7973–7974 DOI: 10.1021/ja991653m Supporting Info

Directed Growth of Free-StandingSingle-Walled Carbon Nanotubes Alan M. Cassell, Nathan R. Franklin, Thomas W. Tombler, Emory M. Chan, Jie Han, and Hongjie Dai pp 7975–7976 DOI: 10.1021/ja992083t

A Pyropheophorbide Dimer with Single Pyrrole π Overlap and a Low-Energy Q Absorption Spencer Knapp, Buwen Huang, Thomas J. Emge, Suzie Sheng, Karsten Krogh-Jespersen, Joseph A. Potenza, and Harvey J. Schugar pp 7977–7978 DOI: 10.1021/ja991632s Supporting Info

Issue 35

Exploring Ground-State Heterogeneity of Hypericin and Hypocrellin A and B:  Dynamic and 2D ROESY NMR Study A. Smirnov, D. B. Fulton, A. Andreotti, and J. W. Petrich pp 7979–7988 DOI: 10.1021/ja9906002

Stereochemical Dependence of the Self-Assembly of the Immunoadjuvants Pam3Cys and Pam3Cys-Ser Frank Reichel, Annie M. Roelofsen, Hubertus P. M. Geurts, Taina I. Hämäläinen, Martinus C. Feiters, and Geert-Jan Boons pp 7989–7997 DOI: 10.1021/ja991319q Supporting Info

Conformational Study of 2,2‘-Homosubstituted 1,1‘-Binaphthyls by Means of UV and CD Spectroscopy Lorenzo Di Bari, Gennaro Pescitelli, and Piero Salvadori pp 7998–8004 DOI: 10.1021/ja990326b

A Remarkable Family of Rhodium Acetonitrile Compounds Spanning Three Oxidation States and with Nuclearities Ranging from Mononuclear and Dinuclear to One-Dimensional Chains M. E. Prater, L. E. Pence, R. Clérac, G. M. Finniss, C. Campana, P. Auban-Senzier, D. Jérome, E. Canadell, and K. R. Dunbar pp 8005–8016 DOI: 10.1021/ja991130e Supporting Info

Directed Self-Assembly to Create Molecular Terraces with Molecularly Sharp Boundaries in Organic Monolayers L. A. Bumm, J. J. Arnold, L. F. Charles, T. D. Dunbar, D. L. Allara, and P. S. Weiss pp 8017–8021 DOI: 10.1021/ja982157l Supporting Info

An Exceedingly Long-Lived Fluorescent State as a Distinct Structural and Dynamic Probe for Supramolecular Association:  An Exploratory Study of Host−Guest Complexation by Cyclodextrins Werner M. Nau and Xiangyang Zhang pp 8022–8032 DOI: 10.1021/ja990626t

Inclusion of Solvation in Ligand Binding Free Energy Calculations Using the Generalized-Born Model Xiaoqin Zou, Yaxiong Sun, and Irwin D. Kuntz pp 8033–8043 DOI: 10.1021/ja984102p

A Multistep Chemical Modification Procedure To Create DNA Arrays on Gold Surfaces for the Study of Protein−DNA Interactions with Surface Plasmon Resonance Imaging Jennifer M. Brockman, Anthony G. Frutos, and Robert M. Corn pp 8044–8051 DOI: 10.1021/ja991608e

Chemical Effects of Methyl and Methyl Ester Groups on the Nucleation and Growth of Vapor-Deposited Aluminum Films A. Hooper, G. L. Fisher, K. Konstadinidis, D. Jung, H. Nguyen, R. Opila, R. W. Collins, N. Winograd, and D. L. Allara pp 8052–8064 DOI: 10.1021/ja9835234

Control of the Chlorine Dioxide−Iodine−Malonic Acid Oscillating Reaction by Illumination Alberto P. Muñuzuri, Milos Dolnik, Anatol M. Zhabotinsky, and Irving R. Epstein pp 8065–8069 DOI: 10.1021/ja9910457

Kinetics of Nitroxide Reaction with Iron(II) Pazit Bar-On, Mohammad Mohsen, Renliang Zhang, Elad Feigin, Mordechai Chevion, and Amram Samuni pp 8070–8073 DOI: 10.1021/ja990623g

α-Helix Peptide Folding and Unfolding Activation Barriers:  A Nanosecond UV Resonance Raman Study Igor K. Lednev, Anton S. Karnoup, Mark C. Sparrow, and Sanford A. Asher pp 8074–8086 DOI: 10.1021/ja991382f

14-Electron Four-Coordinate Ru(II) Carbyl Complexes and Their Five-Coordinate Precursors:  Synthesis, Double Agostic Interactions, and Reactivity Dejian Huang, William E. Streib, John C. Bollinger, Kenneth G. Caulton, Rainer F. Winter, and Thomas Scheiring pp 8087–8097 DOI: 10.1021/ja990621w Supporting Info

M(dmit)2 Salts with Nitronyl Nitroxide Radical Cations (M = Ni and Au, dmit = 1,3-Dithiol-2-thione-4,5-dithiolate). Nonmagnetic Single-Chain Formation vs Antiferromagnetic Spin-Ladder-Chain Formation of M(dmit)2 Hiroyuki Imai, Takeo Otsuka, Toshio Naito, Kunio Awaga, and Tamotsu Inabe pp 8098–8103 DOI: 10.1021/ja991058k Supporting Info

Exceptional Triplet and Quartet States in Highly Charged Hexabenzocoronenes Lileta Gherghel, Johann Diedrich Brand, Martin Baumgarten, and Klaus Müllen pp 8104–8105 DOI: 10.1021/ja991702v Supporting Info

The First in Situ Direct Observation of the Light-Induced Radical Pair from a Hexaarylbiimidazolyl Derivative by X-ray Crystallography Masaki Kawano, Tomokatsu Sano, Jiro Abe, and Yuji Ohashi pp 8106–8107 DOI: 10.1021/ja9903173 Supporting Info

Langmuir Film Polymerization of 1,22-Bis(2-aminophenyl)docosane:  A Two-Dimensional Cross-linked Polyalkylaniline L. J. Kloeppner and R. S. Duran pp 8108–8109 DOI: 10.1021/ja990142x Supporting Info

Unprecedented Transformation of a Hydrotris(pyrazolyl)borate Ligand at a Metal Center:  Synthesis and Rearrangement of the First Mixed Tp/Cp Lanthanide Complex, Sm(TpMe2)2(Cp) I. Lopes, G. Y. Lin, A. Domingos, R. McDonald, N. Marques, and J. Takats pp 8110–8111 DOI: 10.1021/ja984227u Supporting Info

Intramolecular Nucleophilic Substitution on Coordinated Borabenzenes:  A New Entry into Boratabenzene Complexes Markus A. Putzer, Jonathan S. Rogers, and Guillermo C. Bazan pp 8112–8113 DOI: 10.1021/ja9910661 Supporting Info

Rate Acceleration below 20 K in the H-Atom Tunneling of Triplet ortho-Methyltetralones Brent A. Johnson and Miguel A. Garcia-Garibay pp 8114–8115 DOI: 10.1021/ja990803q Supporting Info

Selective and Facile C−F Bond Activation of Trifluoromethyl Groups on Cu(111) Ya-Ching Hou and Chao-Ming Chiang pp 8116–8117 DOI: 10.1021/ja991596x

Synthesis and X-ray Molecular Structure of the First Stable Organic Radical Lacking Resonance Stabilization Yitzhak Apeloig, Dmitry Bravo-Zhivotovskii, Michael Bendikov, David Danovich, Mark Botoshansky, Tamara Vakul'skaya, Mikhail Voronkov, Rimma Samoilova, Marietta Zdravkova, Vladimir Igonin, Valery Shklover, and Yuri Struchkov pp 8118–8119 DOI: 10.1021/ja991109d Supporting Info

Assembly of Dynamic Heterometallic Oligoporphyrins Using Cooperative Zinc−Nitrogen, Ruthenium−Nitrogen, and Tin−Oxygen Coordination Hee-Joon Kim, Nick Bampos, and Jeremy K. M. Sanders pp 8120–8121 DOI: 10.1021/ja9915652 Supporting Info

Programmed Assembly of DNA Functionalized Quantum Dots Gregory P. Mitchell, Chad A. Mirkin, and Robert L. Letsinger pp 8122–8123 DOI: 10.1021/ja991662v Supporting Info

Biosynthesis of Mycarose:  Isolation and Characterization of Enzymes Involved in the C-2 Deoxygenation Huawei Chen, Gautam Agnihotri, Zhihong Guo, Nanette L. S. Que, Xuemei H. Chen, and Hung-wen Liu pp 8124–8125 DOI: 10.1021/ja991713o

The First Examples of Bridgehead Bicyclic Sultams Leo A. Paquette and Silvana M. Leit pp 8126–8127 DOI: 10.1021/ja992161c Supporting Info

A General Inhibitor Scaffold for Serine Proteases with a (Chymo)trypsin-Like Fold:  Solution-Phase Construction and Evaluation of the First Series of Libraries of Mechanism-Based Inhibitors Rongze Kuang, Jeffrey B. Epp, Sumei Ruan, Hongyi Yu, Peng Huang, Shu He, Juan Tu, Norman M. Schechter, Jane Turbov, Christopher J. Froelich, and William C. Groutas pp 8128–8129 DOI: 10.1021/ja990160e

Creating Spatially Addressed Arrays of Planar Supported Fluid Phospholipid Membranes Paul S. Cremer and Tinglu Yang pp 8130–8131 DOI: 10.1021/ja991453a

Intramolecular Electron Transfer of Diporphyrins Comprised of Electron-Deficient Porphyrin and Electron-Rich Porphyrin with Photocontrolled Isomerization [J. Am. Chem. Soc. 1999, 121, 6521 (Addition and Correction)]. Shinji Tsuchiya p 8132 DOI: 10.1021/ja995523p

A pH-Modulated, Self-Replicating Peptide [J. Am. Chem. Soc. 1997, 119, 10559−10560]. Shao Yao, Indraneel Ghosh, Reena Zutshi, and Jean Chmielewski p 8132 DOI: 10.1021/ja995525+

Issue 36

Computational Alanine Scanning To Probe Protein−Protein Interactions:  A Novel Approach To Evaluate Binding Free Energies Irina Massova and Peter A. Kollman pp 8133–8143 DOI: 10.1021/ja990935j Supporting Info

Cytosine and Uracil Synthesis by Quenching with High-Temperature Plasma Shin Miyakawa, Ken-ichi Murasawa, Kensei Kobayashi, and Akira B. Sawaoka pp 8144–8145 DOI: 10.1021/ja990961h

Exciton and Charge-Transfer Interactions in Nonconjugated Merocyanine Dye Dimers:  Novel Solvatochromic Behavior for Tethered Bichromophores and Excimers Liangde Lu, Rene J. Lachicotte, Thomas L. Penner, Jerry Perlstein, and David G. Whitten pp 8146–8156 DOI: 10.1021/ja983778h Supporting Info

Improved Enzyme Activity and Enantioselectivity in Organic Solvents by Methyl-β-cyclodextrin Kai Griebenow, Yanira Díaz Laureano, Angélica M. Santos, Ileana Montañez Clemente, Luiz Rodríguez, Michael W. Vidal, and Gabriel Barletta pp 8157–8163 DOI: 10.1021/ja990515u

Molecular Dynamics Simulations of Ground and Transition States for the Hydride Transfer from Formate to NAD+ in the Active Site of Formate Dehydrogenase Rhonda A. Torres, Birgit Schiøtt, and Thomas C. Bruice pp 8164–8173 DOI: 10.1021/ja9912731

Enhanced Inhibition of Human Anti-Gal Antibody Binding to Mammalian Cells by Synthetic α-Gal Epitope Polymers Jianq-Qiang Wang, Xi Chen, Wei Zhang, Sima Zacharek, Yongsheng Chen, and Peng George Wang pp 8174–8181 DOI: 10.1021/ja990219h Supporting Info

Stepwise Assembly of Site Specifically Functionalized Dehydrobenzo[18]annulenes Joshua J. Pak, Timothy J. R. Weakley, and Michael M. Haley pp 8182–8192 DOI: 10.1021/ja991749g Supporting Info

Surprising Reactions of Iodo Pt(IV) and Pt(II) Complexes with Human Albumin:  Detection of Cys34 Sulfenic Acid Nicole A. Kratochwil, Andrei I. Ivanov, Marina Patriarca, John A. Parkinson, Adam M. Gouldsworthy, Piedad del Socorro Murdoch, and Peter J. Sadler pp 8193–8203 DOI: 10.1021/ja990768n

Variable Pore Size, Variable Chemical Functionality, and an Example of Reactivity within Porous Phenylacetylene Silver Salts Y.-H. Kiang, Geoffrey B. Gardner, Stephen Lee, Zhengtao Xu, and Emil B. Lobkovsky pp 8204–8215 DOI: 10.1021/ja991100b Supporting Info

Metal−Alq3 Complexes:  The Nature of the Chemical Bonding Alessandro Curioni and Wanda Andreoni pp 8216–8220 DOI: 10.1021/ja991060b

Tandem Cyclizations Involving Carbene as an Intermediate:  Photochemical Reactions of Substituted 1,2-Diketones Conjugated with Ene-Yne Kazuhiko Nakatani, Kaoru Adachi, Kazuhito Tanabe, and Isao Saito pp 8221–8228 DOI: 10.1021/ja990763q

Ferroelectric Liquid Crystals Induced by Atropisomeric Dopants:  Dependence of the Polarization Power on the Core Structure of the Smectic C Host Despina Vizitiu, Carmen Lazar, Brian J. Halden, and Robert P. Lemieux pp 8229–8236 DOI: 10.1021/ja990965m

Studies on Chromium(0)-Promoted Higher-Order Cycloaddition-Based Benzannulation. Total Synthesis of (+)-Estradiol James H. Rigby, Namal C. Warshakoon, and Anne J. Payen pp 8237–8245 DOI: 10.1021/ja991016w

Kinetic and Mechanistic Study on Single-Crystal-to-Single-Crystal Photodimerization of 2-Benzyl-5-benzylidenecyclopentanone Utilizing X-ray Diffraction Kazumasa Honda, Fusae Nakanishi, and Neil Feeder pp 8246–8250 DOI: 10.1021/ja991386k Supporting Info

Chiral Mo−Binol Complexes:  Activity, Synthesis, and Structure. Efficient Enantioselective Six-Membered Ring Synthesis through Catalytic Metathesis S. Sherry Zhu, Dustin R. Cefalo, Daniel S. La, Jennifer Y. Jamieson, William M. Davis, Amir H. Hoveyda, and Richard R. Schrock pp 8251–8259 DOI: 10.1021/ja991432g Supporting Info

Rapid Reduction of Nitric Oxide to Dinitrogen by Zirconium(II):  Kinetic Studies on a Reaction Controlled by Gas−Liquid Transport Kristopher McNeill and Robert G. Bergman pp 8260–8269 DOI: 10.1021/ja983011p

Convenient Synthesis of Chiral Cyclophanes that Can Coordinate to Metals Masayuki Sato, Fumiaki Uehara, Kayo Sato, Masahiko Yamaguchi, and Chizuko Kabuto pp 8270–8276 DOI: 10.1021/ja983907u Supporting Info

Reversible Dioxygen Binding to Hemerythrin. 1. Electronic Structures of Deoxy- and Oxyhemerythrin Thomas C. Brunold and Edward I. Solomon pp 8277–8287 DOI: 10.1021/ja990334s Supporting Info

Reversible Dioxygen Binding to Hemerythrin. 2. Mechanism of the Proton-Coupled Two-Electron Transfer to O2 at a Single Iron Center Thomas C. Brunold and Edward I. Solomon pp 8288–8295 DOI: 10.1021/ja992234s Supporting Info

A Synthetic Methodology to Niobium Alkylidenes:  Reactivity of a NbNb Double Bond Anchored to a Calix[4]arene Oxo Surface with Ketones, Aldehydes, Imines, and Isocyanides Alessandro Caselli, Euro Solari, Rosario Scopelliti, and Carlo Floriani pp 8296–8305 DOI: 10.1021/ja990647n Supporting Info

Photocatalytic Reactions at Microcrystalline fac-Mn(CO)3(η2-Ph2PCH2PPh2)Cl−Electrode−Aqueous (Electrolyte) Interfaces John C. Eklund and Alan M. Bond pp 8306–8312 DOI: 10.1021/ja9908974

Reactivity of Permethylzirconocene and Permethyltitanocene toward Disubstituted 1,3-Butadiynes:  η4- vs η2-Complexation or C−C Coupling with the Permethyltitanocene Paul-Michael Pellny, Frank G. Kirchbauer, Vladimir V. Burlakov, Wolfgang Baumann, Anke Spannenberg, and Uwe Rosenthal pp 8313–8323 DOI: 10.1021/ja991046z Supporting Info

Morphology and Topochemical Reactions of Novel Vanadium Oxide Nanotubes F. Krumeich, H.-J. Muhr, M. Niederberger, F. Bieri, B. Schnyder, and R. Nesper pp 8324–8331 DOI: 10.1021/ja991085a

Structure−Reactivity Relationships in Radical Reactions:  A Novel Method for the Simultaneous Determination of Absolute Rate Constants and Structural Features Iwo Gatlik, Piotr Rzadek, Georg Gescheidt, Günther Rist, Bruno Hellrung, Jakob Wirz, Kurt Dietliker, Gebhard Hug, Martin Kunz, and Jean-Pierre Wolf pp 8332–8336 DOI: 10.1021/ja991008f

Pressure−Temperature Effects on Oxygen Quenching of Protein Phosphorescence Giovanni B. Strambini and Patrizia Cioni pp 8337–8344 DOI: 10.1021/ja9915596

The 4,4,4-Trifluoroacetoacetic Acid Keto−Enol System in Aqueous Solution. Generation of the Enol by Hydration of Trifluoroacetylketene Y. Chiang, A. J. Kresge, Q. Meng, Y. Morita, and Y. Yamamoto pp 8345–8351 DOI: 10.1021/ja991561x Supporting Info

Potential-Independent Electron Transfer Rate at the Liquid/Liquid Interface Biao Liu and Michael V. Mirkin pp 8352–8355 DOI: 10.1021/ja991316d

Patterning Disorder in Monolayer Resists for the Fabrication of Sub-100-nm Structures in Silver, Gold, Silicon, and Aluminum Andrew J. Black, Kateri E. Paul, Joanna Aizenberg, and George M. Whitesides pp 8356–8365 DOI: 10.1021/ja990858s

From Benzene to Muconaldehyde:  Theoretical Mechanistic Investigation on Some Tropospheric Oxidation Channels Giovanni Ghigo and Glauco Tonachini pp 8366–8372 DOI: 10.1021/ja990552l

Determination of Torsion Angles in Proteins and Peptides Using Solid State NMR Peter V. Bower, Nathan Oyler, Manish A. Mehta, Joanna R. Long, Patrick S. Stayton, and Gary. P. Drobny pp 8373–8375 DOI: 10.1021/ja991330q

A CASSCF Study on Photodissociation of Acrolein in the Gas Phase Wei-Hai Fang pp 8376–8384 DOI: 10.1021/ja982334i Supporting Info

Inversion of Configuration during the Hydrolysis of d-1-Sp-myo-Inositol [17O]Thiophosphate Catalyzed by myo-Inositol Monophosphatase Christine M. J. Fauroux, Michael Lee, Paul M. Cullis, Kenneth T. Douglas, Sally Freeman, and Michael G. Gore pp 8385–8386 DOI: 10.1021/ja991939r

Structure and Mechanism of Silicon Cluster Formation in Y Zeolite from 1H-Enhanced 29Si−27Al REAPDOR NMR Spectroscopy Yong Ba, Jiliang He, Christopher I. Ratcliffe, and John A. Ripmeester pp 8387–8388 DOI: 10.1021/ja990380s

Zinc Phosphate with Gigantic Pores of 24 Tetrahedra Guo-Yu Yang and Slavi C. Sevov pp 8389–8390 DOI: 10.1021/ja991985r Supporting Info

Formation and Interconversion of Ruthenium−Silene and 16-Electron Ruthenium Silyl Complexes Vladimir K. Dioumaev, Karl Plössl, Patrick J. Carroll, and Donald H. Berry pp 8391–8392 DOI: 10.1021/ja984363z Supporting Info

Total Synthesis of Tartrolon B Markus Berger and Johann Mulzer pp 8393–8394 DOI: 10.1021/ja9919433 Supporting Info

Covalent Grafting of a Patterned, Hyperbranched Polymer onto a Plastic Substrate Using Microcontact Printing Pradyut Ghosh and Richard M. Crooks pp 8395–8396 DOI: 10.1021/ja991488a

The First Direct Observation of the Trifluoride Anion (F3-) in the Gas Phase Albert A. Tuinman, Andrei A. Gakh, Robert J. Hinde, and Robert N. Compton pp 8397–8398 DOI: 10.1021/ja991757x

Interfacial Charge-Transfer Pathways:  Evidence for Marcus-Type Inverted Electron Transfer in Metal Oxide Semiconductor/Inorganic Dye Systems Xiaojun Dang and Joseph T. Hupp pp 8399–8400 DOI: 10.1021/ja990709+ Supporting Info

Preparation of Chiral, C-Protected α-Amino Aldehydes of High Optical Purity and Their Use as Condensation Components in a Linear Synthesis Strategy Andrew G. Myers, Daniel W. Kung, Boyu Zhong, Mohammad Movassaghi, and Soojin Kwon pp 8401–8402 DOI: 10.1021/ja9911824 Supporting Info

Intrinsic Barriers for the Reactions of an Oxocarbenium Ion in Water John P. Richard, Kathleen B. Williams, and Tina L. Amyes pp 8403–8404 DOI: 10.1021/ja9915293 Supporting Info

Cation-π Complexation of Potassium Cation with the Phenolic Sidechain of Tyrosine Stephen L. De Wall, Leonard J. Barbour, and George W. Gokel pp 8405–8406 DOI: 10.1021/ja991618f Supporting Info

Efficient Solid-Phase Synthesis of Compounds Containing Phenylalanine and Its Derivatives via Side-Chain Attachment to the Polymer Support Younghee Lee and Richard B. Silverman pp 8407–8408 DOI: 10.1021/ja991679d Supporting Info

A Chemical Model of a Protein β-Sheet Dimer James S. Nowick, James H. Tsai, Quoc-Chuong D. Bui, and Santanu Maitra pp 8409–8410 DOI: 10.1021/ja992109g Supporting Info

Centerband-Only Detection of Exchange:  Efficient Analysis of Dynamics in Solids by NMR E. R. deAzevedo, W.-G. Hu, T. J. Bonagamba, and K. Schmidt-Rohr pp 8411–8412 DOI: 10.1021/ja992022v

Electrochemistry By Carl H. Hamann (Universitat Oldenburg, Germany), Andrew Hamnett (University of Newcastle, United Kingdom), and Wolf Vielstich (Universitat der Bundes-wehr Munchen, Germany). Wiley-VCH:  New York. 1998. xvii + 423 pp. $61.95. ISBN 3-527-29096-6. Maryanne M. Collinson p 8413 DOI: 10.1021/ja985686y

Migration of an Excess Proton upon Asymmetric Hydration:  H+[(CH3)2O](H2O)n as a Model System [J. Am. Chem. Soc. 1999, 121, 4443−4450]. Hai-Chou Chang, Jyh-Chiang Jiang, Ina Hahndorf, Sheng H. Lin, Yuan T. Lee, and Huan-Cheng Chang p 8413 DOI: 10.1021/ja995524h

Integration of Pharmaceutical Discovery and Development:  Case Histories. Volume 11. Pharmaceutical Biotechnology Edited by Ronald T. Borchardt, Roger M. Freidinger, Tomi K. Sawyer, and Philip L. Smith. Plenum Press:  New York. 1998. xxix + 607 pp. $125.00. ISBN 0-306-45743-1. Richard B. van Breemen pp 8413–8414 DOI: 10.1021/ja985750b

Handbook of Surface and Colloid Chemistry Edited by K. S. Birdi. CRC Press:  Boca Raton, FL. 1998. $139.95. 738 pp. ISBN 0-8493-9459-7. Jean-Claude Bradley p 8414 DOI: 10.1021/ja995686d

Issue 37

The Kinetic Characterization of Escherichia coli MurG Using Synthetic Substrate Analogues Sha Ha, Emmanuel Chang, Mei-Chu Lo, Hongbin Men, Peter Park, Min Ge, and Suzanne Walker pp 8415–8426 DOI: 10.1021/ja991556t

Clustering of Fluorine-Substituted Alcohols as a Factor Responsible for Their Marked Effects on Proteins and Peptides Dong-Pyo Hong, Masaru Hoshino, Ryoichi Kuboi, and Yuji Goto pp 8427–8433 DOI: 10.1021/ja990833t

The Class II/III Transition in Triarylamine Redox Systems Christoph Lambert and Gilbert Nöll pp 8434–8442 DOI: 10.1021/ja991264s

The Measure of Interior Disorder in a Folded Protein and Its Contribution to Stability Y. Bruce Yu, Pierre Lavigne, Peter L. Privalov, and Robert S. Hodges pp 8443–8449 DOI: 10.1021/ja991271g

Photochromism of 1,2-Bis(2-methyl-6-nitro-1-benzothiophen-3-yl)perfluorocyclopentene in a Single-Crystalline Phase:  Dichroism of the Closed-Ring Form Isomer Seiya Kobatake, Motoki Yamada, Taro Yamada, and Masahiro Irie pp 8450–8456 DOI: 10.1021/ja991013j Supporting Info

Core−Shell Gyroid Morphology in a Poly(isoprene-block-styrene-block-dimethylsiloxane) Triblock Copolymer T. A. Shefelbine, M. E. Vigild, M. W. Matsen, D. A. Hajduk, M. A. Hillmyer, E. L. Cussler, F. S. Bates pp 8457–8465 DOI: 10.1021/ja991442h

π-Arene/Cation Structure and Bonding. Solvation versus Ligand Binding in Iron(III) Tetraphenylporphyrin Complexes of Benzene, Toluene, p-Xylene, and [60]Fullerene Daniel R. Evans, Nathanael L. P. Fackler, Zuowei Xie, Clifton E. F. Rickard, Peter D. W. Boyd, and Christopher A. Reed pp 8466–8474 DOI: 10.1021/ja9910816 Supporting Info

Difluoromethionine as a Novel 19F NMR Structural Probe for Internal Amino Acid Packing in Proteins Mark D.Vaughan, Paul Cleve, Valerie Robinson, Henry S. Duewel, and John F. Honek pp 8475–8478 DOI: 10.1021/ja9911418

Vibrational Analysis of Single Molecule Chemistry:  Ethylene Dehydrogenation on Ni(110) J. Gaudioso, H. J. Lee, and W. Ho pp 8479–8485 DOI: 10.1021/ja991218s

Enantiodifferentiating Anti-Markovnikov Photoaddition of Alcohols to 1,1-Diphenylalkenes Sensitized by Chiral Naphthalenecarboxylates Sadayuki Asaoka, Toshiya Kitazawa, Takehiko Wada, and Yoshihisa Inoue pp 8486–8498 DOI: 10.1021/ja9909374 Supporting Info

Structures and Partial Stereochemical Assignments for Prymnesin-1 and Prymnesin-2:  Potent Hemolytic and Ichthyotoxic Glycosides Isolated from the Red Tide Alga Prymnesium parvum Tomoji Igarashi, Masayuki Satake, and Takeshi Yasumoto pp 8499–8511 DOI: 10.1021/ja991740e Supporting Info

Cation-Directed Structure Changes in Polyoxometalate Chemistry. Equilibria between Isomers of Bis(9-tungstophosphatodioxouranate(VI)) Complexes Kee-Chan Kim and Michael T. Pope pp 8512–8517 DOI: 10.1021/ja9909125 Supporting Info

Gold Particles as Templates for the Synthesis of Hollow Polymer Capsules. Control of Capsule Dimensions and Guest Encapsulation Stella M. Marinakos, James P. Novak, Louis C. Brousseau III, A. Blaine House, Efe M. Edeki, James C. Feldhaus, and Daniel L. Feldheim pp 8518–8522 DOI: 10.1021/ja990945k

Alterations in the Binding of [Cl(NH3)5RuIII]2+ to DNA by Glutathione:  Reduction, Autoxidation, Coordination, and Decomposition Dominic R. Frasca and M. J. Clarke pp 8523–8532 DOI: 10.1021/ja991113p Supporting Info

Surfactant-Induced Modification of Dopants Reactivity in Sol−Gel Matrixes Claudio Rottman, Gideon Grader, Yoram De Hazan, Sharona Melchior, and David Avnir pp 8533–8543 DOI: 10.1021/ja991269p

Stability of Novel Oxo- and Chloro-Substituted Trioxanes Matthew L. Shirel and Peter Pulay pp 8544–8548 DOI: 10.1021/ja984451j

Reactivity of Cr+(6S,4D), Mn+(7S,5S), and Fe+(6D,4F): Reaction of Cr+, Mn+, and Fe+ with Water Arantxa Irigoras, Joseph E. Fowler, and Jesus M. Ugalde pp 8549–8558 DOI: 10.1021/ja984469u Supporting Info

Ab Initio Study of the Electronic Spectrum of Formamide with Explicit Solvent Nicholas A. Besley and Jonathan D. Hirst pp 8559–8566 DOI: 10.1021/ja990064d Supporting Info

Origin of Stereoselectivities in Asymmetric Alkoxyselenenylations Xue Wang, K. N. Houk, Martin Spichty, and Thomas Wirth pp 8567–8576 DOI: 10.1021/ja990473+

An Approach to Direct Determination of Protein Dynamics from 15N NMR Relaxation at Multiple Fields, Independent of Variable 15N Chemical Shift Anisotropy and Chemical Exchange Contributions David Fushman, Nico Tjandra, and David Cowburn pp 8577–8582 DOI: 10.1021/ja9904991 Supporting Info

The Riddle of Resorcinol Crystal Growth Revisited:  Molecular Dynamics Simulations of α-Resorcinol Crystal−Water Interface Mumtaz Hussain and Jamshed Anwar pp 8583–8591 DOI: 10.1021/ja990853v

Water Complexation as a Means of Stabilizing the Metastable HO3 Radical Simone Aloisio and Joseph S. Francisco pp 8592–8596 DOI: 10.1021/ja991001y

A Theoretical Study of Mechanisms of 1,3-Silyl Migration in Formylmethylsilane and Related Migrations. Comparison with Allylsilane Masae Takahashi and Mitsuo Kira pp 8597–8603 DOI: 10.1021/ja9911263 Supporting Info

An Artificial Photosynthetic Antenna-Reaction Center Complex Darius Kuciauskas, Paul A. Liddell, Su Lin, Thomas E. Johnson, Steven J. Weghorn, Jonathan S. Lindsey, Ana L. Moore, Thomas A. Moore, and Devens Gust pp 8604–8614 DOI: 10.1021/ja991255j

Myers−Saito versus C2−C6 (“Schmittel”) Cyclizations of Parent and Monocyclic Enyne−Allenes:  Challenges to Chemistry and Computation Peter R. Schreiner and Matthias Prall pp 8615–8627 DOI: 10.1021/ja991282+ Supporting Info

Highly Ordered Thin Films of Octasubstituted Phthalocyanines Paul Smolenyak, Rebecca Peterson, Ken Nebesny, Michael Törker, David F. O'Brien, and Neal R. Armstrong pp 8628–8636 DOI: 10.1021/ja991498b

Molecular Dynamics Simulations of NAD+ in Solution Paul E. Smith and John J. Tanner pp 8637–8644 DOI: 10.1021/ja991624b

Ru3(CO)12-Catalyzed Decarbonylative Cleavage of a C−C Bond of Alkyl Phenyl Ketones Naoto Chatani, Yutaka Ie, Fumitoshi Kakiuchi, and Shinji Murai pp 8645–8646 DOI: 10.1021/ja992048m Supporting Info

Starlike Block Copolymers with Amphiphilic Arms as Models for Unimolecular Micelles Andreas Heise, James L. Hedrick, Curtis W. Frank, and Robert D. Miller pp 8647–8648 DOI: 10.1021/ja984456g Supporting Info

Inorganic Carbonates as Nucleophiles for the Asymmetric Synthesis of Vinylglycidols Barry M. Trost and Ernest J. McEachern pp 8649–8650 DOI: 10.1021/ja990783s Supporting Info

(E)-(Z) Selectivity in 2-Butene Copolymerization by Group 4 Metallocenes. A Combined Density Functional Theory and Molecular Mechanics Study Gaetano Guerra, Pasquale Longo, Paolo Corradini, and Luigi Cavallo pp 8651–8652 DOI: 10.1021/ja9916308

Observation of Spontaneous Base Pair Breathing Events in the Molecular Dynamics Simulation of a Difluorotoluene-Containing DNA Oligonucleotide Elena Cubero, Edward C. Sherer, F. Javier Luque, Modesto Orozco, and Charles A. Laughton pp 8653–8654 DOI: 10.1021/ja991067t Supporting Info

Reactivity Control via Dihydrogen Bonding:  Diastereoselection in Borohydride Reductions of α-Hydroxyketones Sterling C. Gatling and James E. Jackson pp 8655–8656 DOI: 10.1021/ja991784n

First Ruthenium-Catalyzed Allylation of Thiols Enables the General Synthesis of Allylic Sulfides Teruyuki Kondo, Yasuhiro Morisaki, Shin-ya Uenoyama, Kenji Wada, and Take-aki Mitsudo pp 8657–8658 DOI: 10.1021/ja991704f Supporting Info

EPR Detection of the Transient Tyrosyl Radical in DNA Photolyase from Anacystis nidulans Corinne Aubert, Klaus Brettel, Paul Mathis, André P. M. Eker, and Alain Boussac pp 8659–8660 DOI: 10.1021/ja991938z

Quantum-Chemical Characterization of Nuclear Spin−Spin Couplings Across Hydrogen Bonds C. Scheurer and R. Brüschweiler pp 8661–8662 DOI: 10.1021/ja9917417 Supporting Info

Regioselective Hydrolysis of Tryptophan-Containing Peptides Promoted by Palladium(II) Complexes Natalia V. Kaminskaia, T. Wade Johnson, and Nenad M. Kostić pp 8663–8664 DOI: 10.1021/ja9840246 Supporting Info

Synergetic Dimetallic Effects in Gaudemar/Normant Coupling between Allylzinc and Vinyl Grignard Reagents Atsushi Hirai, Masaharu Nakamura, and Eiichi Nakamura pp 8665–8666 DOI: 10.1021/ja9914590 Supporting Info

Chiral Recognition for Control of Alkene Geometry in a Transition Metal Catalyzed Allylic Alkylation Barry M. Trost, Christoph Heinemann, Xavier Ariza, and Stefan Weigand pp 8667–8668 DOI: 10.1021/ja991821a Supporting Info

Fourier Transform Combinatorial Chemistry Alan W. Schwabacher, Yixing Shen, and Christopher W. Johnson pp 8669–8670 DOI: 10.1021/ja991452i Supporting Info

Dynamics of Unfolded Proteins:  Incorporation of Distributions of Correlation Times in the Model Free Analysis of NMR Relaxation Data Alexei V. Buevich and Jean Baum pp 8671–8672 DOI: 10.1021/ja9910412 Supporting Info

Three-Coordinate Cationic Aluminum Alkyl Complexes Incorporating β-Diketiminate Ligands Catherine E. Radzewich, Ilia A. Guzei, and Richard F. Jordan pp 8673–8674 DOI: 10.1021/ja991759h Supporting Info

Asymmetric Conjugate Addition of Thiols to a 3-(2-Alkenoyl)-2-oxazolidinone Catalyzed by the DBFOX/Ph Aqua Complex of Nickel(II) Perchlorate Shuji Kanemasa, Yoji Oderaotoshi, and Eiji Wada pp 8675–8676 DOI: 10.1021/ja991064g Supporting Info

Comprehensive Cellulose Chemistry. Volume 1. Fundamentals and Analytical Methods By D. Klemm, B. Philipp, T. Heinze, U. Heinze, and W. Wagenknecht. Wiley:  Weinheim, Germany. 1998. 260 pp. $236.25. ISBN 3-527-29413-9. p 8677 DOI: 10.1021/ja9857514

Femtosecond Laser Pulses:  Principles and Experiments Edited by C. Rulliere. Springer-Verlag:  New York. 1998. $59.95. 305 pp. ISBN 3-540-63663-3. Professor Marcos Dantus pp 8677–8678 DOI: 10.1021/ja985775a

Drugs:  Photochemistry and Photostability Edited by A. Albini and E. Fasani (Dell' Universita Di Pavia). Royal Society of Chemistry:  Cambridge. 1998. viii + 330 pp. ISBN 0-85404-743-3. Anton W. Jensen p 8678 DOI: 10.1021/ja9857559

Handbook of Chlorination and Alternative Disinfectants. Fourth Edition By George Clifford White. John Wiley & Sons, Inc.:  New York, Chichester, Weinheim, Brisbane, Singapore, and Toronto. 1999. xxi + 1569 pp. $195.00. ISBN 0-471-29297-9. Mark A. Nanny pp 8678–8679 DOI: 10.1021/ja9956932

Natural Products from Plants By Peter B. Kaufman, Leland J. Cseke, Sara Warber, James A. Duke, and Harry L. Brielmann. CRC Press:  Boca Raton, FL, Boston, London, New York, and Washington, D.C. 1999. xi + 343 pp. $129.95. ISBN 0-8493-3134-X. John R. Porter p 8679 DOI: 10.1021/ja985754g

Advances in Molecular Similarity, Vol. 2 Edited by Ramon Carbó-Dorca (University of Girona) and Paul G. Mezey (University of Saskatchewan). JAI Press:  Stamford, CT and London. 1998. xii + 297 pp. $112.50. ISBN 0-7623-0258-5. John H. Block pp 8679–8680 DOI: 10.1021/ja995704r

Introduction to Bioanalytical Sensors By Alice J. Cunningham. Techniques in Analytical Chemistry Series. John Wiley & Sons:  New York, NY. 1998. 418 pp. $69.95 (hard cover). ISBN 0-471-11861-3. Plamen Atanasov p 8680 DOI: 10.1021/ja985726y

Issue 38

Fluorescence-Detected Exciton-Coupled Circular Dichroism:  Scope and Limitation in Structural Studies of Organic Molecules Tatsuo Nehira, Craig A. Parish, Steffen Jockusch, Nicholas J. Turro, Koji Nakanishi, and Nina Berova pp 8681–8691 DOI: 10.1021/ja990936b Supporting Info

α-Thio-APS:  A Stereomechanistic Probe of Activated Sulfate Synthesis Huiping Zhang and Thomas S. Leyh pp 8692–8697 DOI: 10.1021/ja991648i

Residue-Specific pKa Measurements of the β-Peptide and Mechanism of pH-Induced Amyloid Formation Kan Ma, Erin L. Clancy, Yongbo Zhang, Dale G. Ray, Kurt Wollenberg, and Michael G. Zagorski pp 8698–8706 DOI: 10.1021/ja990864o

Dynamics of the Lipopolysaccharide Assembly on the Surface of Escherichia coli Lakshmi P. Kotra, Dasantila Golemi, Nabil A. Amro, Gang-Yu Liu, and Shahriar Mobashery pp 8707–8711 DOI: 10.1021/ja991374z

Experimental and Theoretical Studies on the Selectivity of GGG Triplets toward One-Electron Oxidation in B-Form DNA Yasunori Yoshioka, Yasutaka Kitagawa, Yu Takano, Kizashi Yamaguchi, Takashi Nakamura, and Isao Saito pp 8712–8719 DOI: 10.1021/ja991032t

Chemical Protein Synthesis by Solid Phase Ligation of Unprotected Peptide Segments Lynne E. Canne, Paolo Botti, Reyna J. Simon, Yijun Chen, Edward A. Dennis, and Stephen B. H. Kent pp 8720–8727 DOI: 10.1021/ja9836287 Supporting Info

Iron and Cobalt Ethylene Polymerization Catalysts Bearing 2,6-Bis(Imino)Pyridyl Ligands:  Synthesis, Structures, and Polymerization Studies George J. P. Britovsek, Michael Bruce, Vernon C. Gibson, Brian S. Kimberley, Peter J. Maddox, Sergio Mastroianni, Stuart J. McTavish, Carl Redshaw, Gregory A. Solan, Staffan Strömberg, Andrew J. P. White, and David J. Williams pp 8728–8740 DOI: 10.1021/ja990449w Supporting Info

Structures and Reaction Pathways in Rhodium(I)-Catalyzed Hydrogenation of Enamides:  A Model DFT Study Clark R. Landis, Peter Hilfenhaus, and Steven Feldgus pp 8741–8754 DOI: 10.1021/ja991606u Supporting Info

Catalytic Isomerization and Disproportionation of Olefins Promoted by Group 4/d0 Benzamidinate Complexes Claudia Averbuj and Moris S. Eisen pp 8755–8759 DOI: 10.1021/ja990011w Supporting Info

Structural Control of the Reversible Dimerization of π-Conjugated Oligomeric Cation Radicals Eric Levillain and Jean Roncali pp 8760–8765 DOI: 10.1021/ja990777w

Photochemical Attachment of Polymer Films to Solid Surfaces via Monolayers of Benzophenone Derivatives Oswald Prucker, Christoph A. Naumann, Jürgen Rühe, Wolfgang Knoll, and Curtis W. Frank pp 8766–8770 DOI: 10.1021/ja990962+

Molecular Recognition at an Organic−Aqueous Interface:  Heterocalixarenes as Anion Binding Agents in Liquid Polymeric Membrane Ion-Selective Electrodes Vladimír Král, Jonathan L. Sessler, Tatiana V. Shishkanova, Philip A. Gale, and Radko Volf pp 8771–8775 DOI: 10.1021/ja991044e

Intramolecular C−H Insertion Reactions of Boroxy Fischer Carbene Complexes. Regio- and Diastereoselective Modification of Terpenes José Barluenga, Félix Rodríguez, Jérôme Vadecard, Maximilian Bendix, Francisco J. Fañanás, Fernando López-Ortiz, and Miguel A. Rodríguez pp 8776–8782 DOI: 10.1021/ja991161+ Supporting Info

Synthesis of Highly Functionalized Pyrazines by Ortho-Lithiation Reactions. Pyrazine Ladder Polymers Carol Y. Zhang and James M. Tour pp 8783–8790 DOI: 10.1021/ja991683p

Silicon-Modified Ziegler−Natta Polymerization. Catalytic Approaches to Silyl-Capped and Silyl-Linked Polyolefins Using “Single-Site” Cationic Ziegler−Natta Catalysts Kwangmo Koo and Tobin J. Marks pp 8791–8802 DOI: 10.1021/ja990617k

Polyoxoanion- and Tetrabutylammonium-Stabilized Rh(0)n Nanoclusters:  Unprecedented Nanocluster Catalytic Lifetime in Solution John D. Aiken III and Richard G. Finke pp 8803–8810 DOI: 10.1021/ja991034d Supporting Info

The First Kinetically Stabilized Germanethiones and Germaneselones:  Syntheses, Structures, and Reactivities Tsuyoshi Matsumoto, Norihiro Tokitoh, and Renji Okazaki pp 8811–8824 DOI: 10.1021/ja991147x Supporting Info

Polythiophene Hybrids of Transition-Metal Bis(salicylidenimine)s:  Correlation between Structure and Electronic Properties Richard P. Kingsborough and Timothy M. Swager pp 8825–8834 DOI: 10.1021/ja991285m

Textural Mesoporosity and the Catalytic Activity of Mesoporous Molecular Sieves with Wormhole Framework Structures Thomas R. Pauly, Yu Liu, Thomas J. Pinnavaia, Simon J. L. Billinge, and Thomas P. Rieker pp 8835–8842 DOI: 10.1021/ja991400t

Sodium Hydride as a Powerful Reducing Agent for Topotactic Oxide Deintercalation:  Synthesis and Characterization of the Nickel(I) Oxide LaNiO2 M. A. Hayward, M. A. Green, M. J. Rosseinsky, and J. Sloan pp 8843–8854 DOI: 10.1021/ja991573i Supporting Info

From Inelastic Neutron Scattering to Structural Information. A Two-Dimensional Parametrized Model To Study Metal−(H2) Interaction Eric Clot and Juergen Eckert pp 8855–8863 DOI: 10.1021/ja9836141

A Quantitative Basis for a Scale of Na+ Affinities of Organic and Small Biological Molecules in the Gas Phase S. Hoyau, K. Norrman, T. B. McMahon, and G. Ohanessian pp 8864–8875 DOI: 10.1021/ja9841198

Magnetic Field Dependence of Ultrafast Intersystem-Crossing:  A Triplet Mechanism on the Picosecond Time Scale? Christian Musewald, Peter Gilch, Gerhard Hartwich, Florian Pöllinger-Dammer, Hugo Scheer, and Maria Elisabeth Michel-Beyerle pp 8876–8881 DOI: 10.1021/ja9842520

Hydrogen Atom or Proton Transfer in Neutral and Single Positive Ions of Salicylic Acid and Related Compounds L. Rodríguez-Santiago, M. Sodupe, A. Oliva, and J. Bertran pp 8882–8890 DOI: 10.1021/ja990919m

Insertion of Difluorovinylidene into Hydrogen and Methane Carsten Kötting and Wolfram Sander pp 8891–8897 DOI: 10.1021/ja991003i

Hydration Energies and Structures of Alkaline Earth Metal Ions, M2+(H2O)n, n = 5−7, M = Mg, Ca, Sr, and Ba Sandra E. Rodriguez-Cruz, Rebecca A. Jockusch, and Evan R. Williams pp 8898–8906 DOI: 10.1021/ja9911871

The Reactivity of Gaseous Ions of Bradykinin and Its Analogues with Hydro- and Deuteroiodic Acid T. Gregory Schaaff, James L. Stephenson, Jr., and Scott A. McLuckey pp 8907–8919 DOI: 10.1021/ja991553g

Solid-State Conformation, Molecular Packing, and Electrical and Optical Properties of Processable β-Methylated Sexithiophenes Giovanna Barbarella, Massimo Zambianchi, Luciano Antolini, Paolo Ostoja, Piera Maccagnani, Alessandro Bongini, Elisabeth A. Marseglia, Emilio Tedesco, Giuseppe Gigli, and Roberto Cingolani pp 8920–8926 DOI: 10.1021/ja9916512 Supporting Info

Template-Directed Synthesis, Excited-State Photodynamics, and Electronic Communication in a Hexameric Wheel of Porphyrins Junzhong Li, Arounaguiry Ambroise, Sung Ik Yang, James R. Diers, Jyoti Seth, Christopher R. Wack, David F. Bocian, Dewey Holten, and Jonathan S. Lindsey pp 8927–8940 DOI: 10.1021/ja991730d Supporting Info

Ligand Transfer Selectivity in the Conjugate Addition of a Mixed Organocuprate Bearing a Dummy Ligand Eiichi Nakamura and Masahiro Yamanaka pp 8941–8942 DOI: 10.1021/ja991324u Supporting Info

Asymmetric Coupling of Phenols with Arylleads Susumu Saito, Taichi Kano, Hiroo Muto, Masakazu Nakadai, and Hisashi Yamamoto pp 8943–8944 DOI: 10.1021/ja990646v Supporting Info

Aliphatic Hydroxylation by a Bis(μ-oxo)dinickel(III) Complex Shinobu Itoh, Hideki Bandoh, Shigenori Nagatomo, Teizo Kitagawa, and Shunichi Fukuzumi pp 8945–8946 DOI: 10.1021/ja991326e Supporting Info

Measurement of One Bond Dipolar Couplings through Lanthanide-Induced Orientation of a Calcium-Binding Protein Miquel Àngel Contreras, Josep Ubach, Òscar Millet, Josep Rizo, and Miquel Pons pp 8947–8948 DOI: 10.1021/ja990566r Supporting Info

Design and Creation of a Cu(II)-Binding Site in Cytochrome c Peroxidase that Mimics the CuB-heme Center in Terminal Oxidases Jeffrey A. Sigman, Brian C. Kwok, Alan Gengenbach, and Yi Lu pp 8949–8950 DOI: 10.1021/ja991195h Supporting Info

Recognition of an Essential Adenine at a Protein−RNA Interface:  Comparison of the Contributions of Hydrogen Bonds and a Stacking Interaction Scott J. Nolan, Jerome C. Shiels, Jacob B. Tuite, Kerry L. Cecere, and Anne M. Baranger pp 8951–8952 DOI: 10.1021/ja991617n Supporting Info

A Polyoxometalate Transfer Reagent:  Synthesis, Structure, and Reactivity of Zirconocene Polyoxometalate [(PNbW11O40)2ZrCp2]6- Emil V. Radkov, Victor G. YoungJr., and Robert H. Beer pp 8953–8954 DOI: 10.1021/ja9905039 Supporting Info

Does the Facile Reductive Rearrangement of 2-Allyloxycyclohexenone with Bu3SnH Occur by a Radical-Accelerated Claisen Rearrangement or a Stannyloxy-Accelerated Claisen Rearrangement? Dennis P. Curran and Yoshinori Nishii pp 8955–8956 DOI: 10.1021/ja991663n Supporting Info

[48]Dodecaphyrin-(1.0.1.0.1.0.1.0.1.0.1.0) and [64]Hexadecaphyrin-(1.0.1.0.1.0.1.0.1.0.1.0.1.0.1.0):  The Largest Cyclopolypyrroles Jun-ichiro Setsune, Yasuyuki Katakami, and Noriko Iizuna pp 8957–8958 DOI: 10.1021/ja991669c Supporting Info

Asymmetric Synthesis of β-Amino Acid Derivatives via Catalytic Conjugate Addition of Hydrazoic Acid to Unsaturated Imides Jason K. Myers and Eric N. Jacobsen pp 8959–8960 DOI: 10.1021/ja991621z Supporting Info

Retrieval of DNA Using Soft-Landing after Mass Analysis by ESI-FTICR for Enzymatic Manipulation Bingbing Feng, David S. Wunschel, Christophe D. Masselon, Ljiljana Pasa-Tolic, and Richard D. Smith pp 8961–8962 DOI: 10.1021/ja9923888

Interpretation of NOESY Cross-Relaxation Rates from Molecular Dynamics Simulation of a Lipid Bilayer Scott E. Feller, Daniel Huster, and Klaus Gawrisch pp 8963–8964 DOI: 10.1021/ja991456n

Evolution and Study of Polymer-Supported Metal Catalysts for Oxygen Atom Transfer:  Oxidation of Alkanes and Alkenes by Diamide Manganese Complexes Miroslav Havranek, Arun Singh, and Dalibor Sames pp 8965–8966 DOI: 10.1021/ja991336f Supporting Info

Enzymatic Mechanism of Thyroxine Biosynthesis. Identification of the “Lost Three-Carbon Fragment” You-An Ma, Charles J. Sih, and Amy Harms pp 8967–8968 DOI: 10.1021/ja992052y Supporting Info

Synthesis and Structure of an Unusual Zirconium Hydride Amide Complex. Mechanistic Studies of the Reactions of Transition-Metal Amides with Silanes . [J. Am. Chem. Soc. 1999, 121, 5350−5351]. Xiaozhan Liu, Zhongzhi Wu, Zhihui Peng, Yun-Dong Wu, and Ziling Xue p 8969 DOI: 10.1021/ja9955262

Relative and Absolute Stereochemistry of Mycalolides, Bioactive Macrolides from the Marine Sponge Mycale magellanica [J. Am. Chem. Soc. 1999, 121, 5605−5606]. Shigeki Matsunaga, Ping Liu, Cassandra A. Celatka, James S. Panek, and Nobuhiro Fusetani p 8969 DOI: 10.1021/ja995529e

Molecular and Ionic Recognition with Imprinted Polymers Edited by Richard A. Bartsch and Mizuo Maeda. ACS Symposium Series 703. Oxford University Press:  New York, NY. 1998. 323 pp. $105.00. ISBN 0-8412-3574-0. p 8969 DOI: 10.1021/ja9957377

Advances in Cycloaddition, Vol. 5 Edited by Michael Harmata. JAI Press:  Greenwich, CT. 1999. $109.50. 164 pp. ISBN 0-7623-0346-8. p 8969 DOI: 10.1021/ja995738z

Rational Molecular Design in Drug Research Edited by Tommy Liljefors, Flemming S. Jorgensen, and Povl Krogsgaard-Larsen. Munksgaard:  Copenhagen. 1998. 399 pp. ISBN 87-16-12049-3. Benjamin L. Miller pp 8969–8970 DOI: 10.1021/ja9856809

Advances in Strained and Interesting Organic Molecules, Vol. 7 Edited by Brian Halton. JAI Press:  Greenwich, CT. 1999. $109.50. 235 pp. ISBN 0-7623-0530-4. p 8970 DOI: 10.1021/ja995739r

Advances in Developmental Biochemistry, Vol. 5 Edited by Paul M. Wassarman. JAI Press:  Greenwich, CT. 1999. $128.50. 233 pp. ISBN 0-7623-0202-x. p 8970 DOI: 10.1021/ja995740q

Advances in Electron Transfer Chemistry, Vol. 6 Edited by Patrick S. Mariano. JAI Press:  Greenwich, CT. 1999. $109.50. 165 pp. ISBN 0-7623-0213-5. p 8970 DOI: 10.1021/ja995741i

Advances in Atomic Spectroscopy, Vol. 4 Edited by Joseph Sneddon. JAI Press:  Greenwich, CT. 1998. $109.50. 229 pp. ISBN 0-7623-0342-5. p 8970 DOI: 10.1021/ja995742a

Advances in Chemical Physics, Vol. 108. Global and Accurate Vibration Hamiltonians from High-Resolution Molecular Spectroscopy Edited by Michel Herman, Jacques Lievin, Jean Vander Auwera, and Alain Camparague. J. Wiley & Sons Inc.:  New York, NY. 1999. $175.00. ISBN 0-471-32843-X. p 8970 DOI: 10.1021/ja9957433

Advances in Chemical Physics, Vol. 109 Edited by I. Prigogine. J. Wiley & Sons Inc.:  New York, NY. 1999. $195.00. ISBN 0-471-32920-7. p 8970 DOI: 10.1021/ja995744v

Progress in Inorganic Chemistry, Vol. 48 Edited by Kenneth K. Karlin. J. Wiley & Sons Inc.:  New York, NY. 1999. $145.00. ISBN 0-471-32623-2. p 8970 DOI: 10.1021/ja995745n

The Stille Reaction By V. Farina, V. Krishnamurthy, and W. J. Scott. J. Wiley & Sons Inc.:  New York, NY. 1998. 632 pp. $59.95. ISBN 0-471-31273-8. p 8970 DOI: 10.1021/ja995746f

Issue 39

A Thymine:Thymine Mismatch Enhances the Pluramycin Alkylation Site Downstream of the TBP−TATA Box Complex Seung-Joo Lee and Laurence H. Hurley pp 8971–8977 DOI: 10.1021/ja991607m

Antibody−Metalloporphyrin Catalytic Assembly Mimics Natural Oxidation Enzymes Shai Nimri and Ehud Keinan pp 8978–8982 DOI: 10.1021/ja990314q Supporting Info

Cavitands Are Effective Templates for Inducing Stability and Nativelike Structure in de Novo Four-Helix Bundles Adam R. Mezo and John C. Sherman pp 8983–8994 DOI: 10.1021/ja990487f Supporting Info

Bovine Heart Galectin-1 Selects a Unique (Syn) Conformation of C-Lactose, a Flexible Lactose Analogue J. L. Asensio, J. F. Espinosa, H. Dietrich, F. J. Cañada, R. R. Schmidt, M. Martín-Lomas, S. André, H.-J. Gabius, and J. Jiménez-Barbero pp 8995–9000 DOI: 10.1021/ja990601u

Cooperative Dynamics in Duplexes of Stacked Hydrogen-Bonded Moieties Brigitte J. B. Folmer, Rint P. Sijbesma, Huub Kooijman, Anthony L. Spek, and E. W. Meijer pp 9001–9007 DOI: 10.1021/ja991409v Supporting Info

R-factor, Free R, and Complete Cross-Validation for Dipolar Coupling Refinement of NMR Structures G. Marius Clore and Daniel S. Garrett pp 9008–9012 DOI: 10.1021/ja991789k

Stereospecific Pseudoproline Ligation of N-Terminal Serine, Threonine, or Cysteine-Containing Unprotected Peptides James P. Tam and Zhenwei Miao pp 9013–9022 DOI: 10.1021/ja991153t

Chemistry of the Bleomycin-Induced Alkali-Labile DNA Lesion Mariko Aso, Mitsumasa Kondo, Hiroshi Suemune, and Sidney M. Hecht pp 9023–9033 DOI: 10.1021/ja991574a Supporting Info

The Toxicity of Methylenecyclopropylglycine:  Studies of the Inhibitory Effects of (Methylenecyclopropyl)formyl-CoA on Enzymes Involved in Fatty Acid Metabolism and the Molecular Basis of Its Inactivation of Enoyl-CoA Hydratases Ding Li, Gautam Agnihotri, Srikanth Dakoji, Eugene Oh, Marily Lantz, and Hung-wen Liu pp 9034–9042 DOI: 10.1021/ja991908w

Hydraphile Channels:  Structural and Fluorescent Probes of Position and Function in a Phospholipid Bilayer Ernesto Abel, Glenn E. M. Maguire, Oscar Murillo, Iwao Suzuki, Stephen L. De Wall, and George W. Gokel pp 9043–9052 DOI: 10.1021/ja9909172

Novel Core-Modified Expanded Porphyrins with meso-Aryl Substituents:  Synthesis, Spectral and Structural Characterization Seenichamy Jeyaprakash Narayanan, Bashyam Sridevi, Tavarekere K. Chandrashekar, Ashwani Vij, and Raja Roy pp 9053–9068 DOI: 10.1021/ja991472k Supporting Info

Fluorous Synthesis with Fewer Fluorines (Light Fluorous Synthesis):  Separation of Tagged from Untagged Products by Solid-Phase Extraction with Fluorous Reverse-Phase Silica Gel Dennis P. Curran and Zhiyong Luo pp 9069–9072 DOI: 10.1021/ja991496r Supporting Info

Synthesis and Preliminary Evaluation of a Library of Polycyclic Small Molecules for Use in Chemical Genetic Assays Derek S. Tan, Michael A. Foley, Brent R. Stockwell, Matthew D. Shair, and Stuart L. Schreiber pp 9073–9087 DOI: 10.1021/ja992144n Supporting Info

Synthesis of Naturally Occurring Antitumor Agents:  Stereocontrolled Synthesis of the Azabicyclic Ring System of the Azinomycins Robert S. Coleman, Jian-She Kong, and Thomas E. Richardson pp 9088–9095 DOI: 10.1021/ja992274w Supporting Info

Synthesis, Spectroscopy, and Molecular Orbital Calculations of Subazaporphyrins, Subphthalocyanines, Subnaphthalocyanines, and Compounds Derived Therefrom by Ring Expansion1 Nagao Kobayashi, Takeo Ishizaki, Kazuyuki Ishii, and Hideo Konami pp 9096–9110 DOI: 10.1021/ja983325c

Titanium Aryloxide Catalyzed Cross-Coupling and Oligomerization Reactions Involving 1,3-Cyclohexadiene, 1,3-Cyclooctadiene, and α-Olefins Steven A. Waratuke, Matthew G. Thorn, Phillip E. Fanwick, Arlene P. Rothwell, and Ian P. Rothwell pp 9111–9119 DOI: 10.1021/ja990391l Supporting Info

Aziridination of Alkenes and Amidation of Alkanes by Bis(tosylimido)ruthenium(VI) Porphyrins. A Mechanistic Study Sze-Man Au, Jie-Sheng Huang, Wing-Yiu Yu, Wai-Hong Fung, and Chi-Ming Che pp 9120–9132 DOI: 10.1021/ja9913481 Supporting Info

New Concepts Relevant to Cisplatin Anticancer Activity from Unique Spectral Features Providing Evidence That Adjacent Guanines in d(GpG), Intrastrand-Cross-Linked at N7 by a cis-Platinum(II) Moiety, Can Adopt a Head-to-Tail Arrangement Luigi G. Marzilli, Susan O. Ano, Francesco P. Intini, and Giovanni Natile, pp 9133–9142 DOI: 10.1021/ja9916409 Supporting Info

Utility of a Diene−Tricarbonyliron Complex as a Mobile Chiral Auxiliary:  Regio- and Stereocontrolled Functionalization of Acyclic Diene Ligands Yoshiji Takemoto, Naoki Yoshikawa, Yasutaka Baba, Chuzo Iwata, Tetsuaki Tanaka, Toshiro Ibuka, and Hirofumi Ohishi pp 9143–9154 DOI: 10.1021/ja991889q Supporting Info

Simultaneous Binding of Fluoride and NO to the Nonheme Iron of Photosystem II:  Quantitative EPR Evidence for a Weak Exchange Interaction between the Semiquinone QA- and the Iron-Nitrosyl Complex Yiannis Sanakis, Doros Petasis, Vasili Petrouleas, and Michael Hendrich pp 9155–9164 DOI: 10.1021/ja990533b

Quantitative Measurement of Cross-Correlations between 15N and 13CO Chemical Shift Anisotropy Relaxation Mechanisms by Multiple Quantum NMR Maurizio Pellecchia, Yuxi Pang, Lincong Wang, Alexander V. Kurochkin, Anil Kumar, and Erik R. P. Zuiderweg pp 9165–9170 DOI: 10.1021/ja991155d

Infrared Spectra of RhCO+, RhCO, and RhCO- in Solid Neon:  A Scale for Charge in Supported Rh(CO) Catalyst Systems Mingfei Zhou and Lester Andrews pp 9171–9175 DOI: 10.1021/ja991180j

A Study of Adducts Involving Dimethyl Sulfide Radical Cations and Methyl Halides:  Experiment, Density Functional Theory, and Unimolecular Kinetic Modeling. 2c−3e Bonding vs Hydrogen Bonding Linda S. Nichols and Andreas J. Illies pp 9176–9181 DOI: 10.1021/ja991246a Supporting Info

The Role of Polarization and Charge Transfer in the Solvation of Biomolecules Arjan van der Vaart and Kenneth M. Merz, Jr. pp 9182–9190 DOI: 10.1021/ja9912325

Magnetic Field Effects Due to the Δg Mechanism upon Chemical Reactions through Radical Pairs under Ultrahigh Fields of up to 30 T Masanobu Wakasa, Kiyoshi Nishizawa, Haruo Abe, Giyuu Kido, and Hisaharu Hayashi pp 9191–9197 DOI: 10.1021/ja9912776

Asymmetry of the Hydrogen Bond of Hydrogen Phthalate Anion in Solution. A QM/MM Study Mireia Garcia-Viloca, Àngels González-Lafont, and José M. Lluch pp 9198–9207 DOI: 10.1021/ja9918831

Efficient Raman Enhancement and Intermittent Light Emission Observed in Single Gold Nanocrystals John T. Krug, II, Geoffrey D. Wang, Steven R. Emory, and Shuming Nie pp 9208–9214 DOI: 10.1021/ja992058n

Mn2+−Nitrogen Interactions in RNA Probed by Electron Spin−Echo Envelope Modulation Spectroscopy:  Application to the Hammerhead Ribozyme Susan R. Morrissey, Thomas E. Horton, Christopher V. Grant, Charles G. Hoogstraten, R. David Britt, and Victoria J. DeRose pp 9215–9218 DOI: 10.1021/ja9921571

In-Situ Monitoring of Chemical Vapor Deposition at Ambient Pressure by Surface-Enhanced Raman Spectroscopy:  Initial Growth of Tantalum(V) Oxide on Platinum Ho Yeung H. Chan, Christos G. Takoudis, and Michael J. Weaver pp 9219–9220 DOI: 10.1021/ja991707s

Evidence of a Molecular Tunnel Connecting the Active Sites for CO2 Reduction and Acetyl-CoA Synthesis in Acetyl-CoA Synthase from Clostridium thermoaceticum Ernest L. Maynard and Paul A. Lindahl pp 9221–9222 DOI: 10.1021/ja992120g Supporting Info

Origin of the β-Lactam Carbons in Clavulanic Acid from an Unusual Thiamine Pyrophosphate-Mediated Reaction Nusrat Khaleeli, Rongfeng Li, and Craig A. Townsend pp 9223–9224 DOI: 10.1021/ja9923134

Electrochemical and Chemical Oxidation of Gold(I) Thiolate Phosphine Complexes:  Formation of Gold Clusters and Disulfide Jinhua Chen, Tong Jiang, Gang Wei, Ahmed A. Mohamed, Craig Homrighausen, Jeanette A. Krause Bauer, Alice E. Bruce, and Mitchell R. M. Bruce pp 9225–9226 DOI: 10.1021/ja991986j Supporting Info

Femtosecond Infrared Studies of a Prototypical One-Electron Oxidative-Addition Reaction:  Chlorine Atom Abstraction by the Re(CO)5 Radical Haw Yang, Preston T. Snee, Kenneth T. Kotz, Christine K. Payne, Heinz Frei, and Charles B. Harris pp 9227–9228 DOI: 10.1021/ja991682x Supporting Info

Total Synthesis of Oleandolide Tao Hu, Norito Takenaka, and James S. Panek pp 9229–9230 DOI: 10.1021/ja992370x Supporting Info

DNA Oxidation as a Source of Endogenous Electrophiles:  Formation of Ethenoadenine Adducts in γ-Irradiated DNA Wendelyn R. Jones and Peter C. Dedon pp 9231–9232 DOI: 10.1021/ja991517h

Synthesis of Chiral Diaryliodonium Salts, 1,1‘-Binaphthyl-2-yl(phenyl)iodonium Tetrafluoroborates:  Asymmetric α-Phenylation of β-Keto Ester Enolates Masahito Ochiai, Yutaka Kitagawa, Naoko Takayama, Yoshikazu Takaoka, and Motoo Shiro pp 9233–9234 DOI: 10.1021/ja992236c Supporting Info

Spectroscopic Characterization of a Ternary Phosphatase−Substrate−Fluoride Complex. Mechanistic Implications for Dinuclear Hydrolases Xuedong Wang, Raymond Y. N. Ho, Adam K. Whiting, and Lawrence Que, Jr. pp 9235–9236 DOI: 10.1021/ja990732v Supporting Info

First Homoleptic Isocyanides of Niobium and Tantalum1 Mikhail V. Barybin, Victor G. Young, Jr., and John E. Ellis pp 9237–9238 DOI: 10.1021/ja992252+ Supporting Info

Porphyrin Core Star Polymers:  Synthesis, Modification, and Implication for Site Isolation Stefan Hecht, Henrik Ihre, and Jean M. J. Fréchet pp 9239–9240 DOI: 10.1021/ja9922882 Supporting Info

On−Off Control of Enzymatic Activity Synchronizing with Reversible Formation of Supramolecular Assembly from Enzyme and Charged Block Copolymers Atsushi Harada and Kazunori Kataoka pp 9241–9242 DOI: 10.1021/ja9919175 Supporting Info

A “Universal” Surface Area Correlation for Molecular Hydrophobic Phenomena Henry S. Ashbaugh, Eric W. Kaler, and Michael E. Paulaitis pp 9243–9244 DOI: 10.1021/ja992119h

Oxidative Coupling of Deltahedral [Ge9]4- Zintl Ions Li Xu and Slavi C. Sevov pp 9245–9246 DOI: 10.1021/ja992269s Supporting Info

1H and 15N Hyperfine Shifts of Cytochrome c Jonathan Boyd, Christopher M. Dobson, Artemiza S. Morar, Robert J. P. Williams, and Gary J. Pielak pp 9247–9248 DOI: 10.1021/ja9920361 Supporting Info

Improved NMR Structures of Protein/Ligand Complexes Using Residual Dipolar Couplings Edward T. Olejniczak, Robert P. Meadows, Hong Wang, Mengli Cai, David G. Nettesheim, and Stephen W. Fesik pp 9249–9250 DOI: 10.1021/ja992139j

Advances in Enzymology. Volume 72. Amino Acid Metabolism. Part A Edited by Daniel L. Purich (University of Florida). John Wiley:  New York. 1998. 448 pp. $125.00. ISBN 0-471-24643-3. David B. Berkowitz p 9251 DOI: 10.1021/ja985724d

Chemical Fungal Taxonomy Edited by Jens C. Frisvad (Technical University of Denmark), Paul D. Bridge (International Mycological Institute), and Dilip K. Arora (Banaras Hindu University). Marcel-Dekker:  New York. 1998. viii + 398 pp. $175.00. ISBN 0-8247-0069-4. J. William Louda pp 9251–9252 DOI: 10.1021/ja985713k

Advances in Photochemistry, Vol. 25 Edited by Douglas C. Neckers, David H. Volman, and Gunther Von Bunau. J. Wiley & Sons Inc.:  New York, NY. 1999. 223 pp. $110.00. ISBN 0-471-32708-5. p 9252 DOI: 10.1021/ja9957478

Tailored Polymeric Materials for Controlled Delivery Systems Edited by Iain McCulloch and Shalaby W. Shalaby. Oxford University Press:  New York, NY. 1999. 336 pp. $115.00. ISBN 0-8412-3585-6. p 9252 DOI: 10.1021/ja9957480

Issue 40

Synthesis of a 10-Oxo-Bilirubin:  Effects of the Oxo Group on Conformation, Transhepatic Transport, and Glucuronidation Qingqi Chen, Michael T. Huggins, David A. Lightner, Wilma Norona, and Antony F. McDonagh pp 9253–9264 DOI: 10.1021/ja991814m

1,3-Cyclopentanediyl Diradicals:  Substituent and Temperature Dependence of Triplet−Singlet Intersystem Crossing Fumio Kita, Waldemar Adam, Paul Jordan, Werner M. Nau, and Jakob Wirz pp 9265–9275 DOI: 10.1021/ja991362d Supporting Info

Structure Determination by Restrained Molecular Dynamics Using NMR Pseudocontact Shifts as Experimentally Determined Constraints Kechuan Tu and Miriam Gochin pp 9276–9285 DOI: 10.1021/ja9904540 Supporting Info

Design and Synthesis of a Competent Pyrrolinone−Peptide Hybrid Ligand for the Class II Major Histocompatibility Complex Protein HLA-DR1 Amos B. Smith, III, Andrew B. Benowitz, Paul A. Sprengeler, Joseph Barbosa, Mark C. Guzman, Ralph Hirschmann, Edwin J. Schweiger, David R. Bolin, Zoltan Nagy, Robert M. Campbell, Donald C. Cox, and Gary L. Olson pp 9286–9298 DOI: 10.1021/ja991251e Supporting Info

Kinetic Resolution When the Chiral Auxiliary Is Not Enantiomerically Pure:  Normal and Abnormal Behavior Timo O. Luukas, Christian Girard, David R. Fenwick, and Henri B. Kagan pp 9299–9306 DOI: 10.1021/ja990793t Supporting Info

Nonlinear Effects in Kinetic Resolutions Derrell W. Johnson, Jr., and Daniel A. Singleton pp 9307–9312 DOI: 10.1021/ja991921g

Evidence for a Concerted Mechanism in a Palladium Trimethylenemethane Cycloaddition Daniel A. Singleton and Brian E. Schulmeier pp 9313–9317 DOI: 10.1021/ja9919229 Supporting Info

Life and Death of an Active Ethylene Polymerization Catalyst. Ligand Involvement in Catalyst Activation and Deactivation. Isolation and Characterization of Two Unprecedented Neutral and Anionic Vanadium(I) Alkyls Damien Reardon, Françoise Conan, Sandro Gambarotta, Glenn Yap, and Qinyan Wang pp 9318–9325 DOI: 10.1021/ja990263x Supporting Info

Nine-Coordinate Lanthanide Podates with Predetermined Structural and Electronic Properties:  Facial Organization of Unsymmetrical Tridentate Binding Units by a Protonated Covalent Tripod Fabien Renaud, Claude Piguet, Gérald Bernardinelli, Jean-Claude G. Bünzli, and Gérard Hopfgartner pp 9326–9342 DOI: 10.1021/ja990898w Supporting Info

Transannular Effects in Dicobalta−Superphane Complexes on the Mixed-Valence Class II/Class III Interface:  Distinguishing between Spin and Charge Delocalization by Electrochemistry, Spectroscopy, and ab Initio Calculations Michael E. Stoll, Sherri R. Lovelace, William E. Geiger, Holger Schimanke, Isabella Hyla-Kryspin, and Rolf Gleiter pp 9343–9351 DOI: 10.1021/ja9914792 Supporting Info

Theoretical Study on Side-Chain Control of the 14-Helix and the 10/12-Helix of β-Peptides Yun-Dong Wu and De-Ping Wang pp 9352–9362 DOI: 10.1021/ja990955l Supporting Info

13C- and 15N-NMR Studies on the Intact Bacteriochlorophyll c Dimers in Solutions Zheng-Yu Wang, Mitsuo Umetsu, Masayuki Kobayashi, and Tsunenori Nozawa pp 9363–9369 DOI: 10.1021/ja991050a Supporting Info

Exploring Surfaces and Cavities in Lipoxygenase and Other Proteins by Hyperpolarized Xenon-129 NMR C. R. Bowers, V. Storhaug, C. E. Webster, J. Bharatam, A. Cottone III, R. Gianna, K. Betsey, and B. J. Gaffney pp 9370–9377 DOI: 10.1021/ja991443+

Photoinduced Electron Transfer in Phytochlorin−[60]Fullerene Dyads Nikolai V. Tkachenko, Lasse Rantala, Andrei Y. Tauber, Juho Helaja, Paavo H. Hynninen, and Helge Lemmetyinen pp 9378–9387 DOI: 10.1021/ja9915605

Understanding the Mechanism of B12-Dependent Methylmalonyl-CoA Mutase:  Partial Proton Transfer in Action David M. Smith, Bernard T. Golding, and Leo Radom pp 9388–9399 DOI: 10.1021/ja991649a Supporting Info

Mechanism of Charge Transport in DNA:  Internally-Linked Anthraquinone Conjugates Support Phonon-Assisted Polaron Hopping Danith Ly, Laurie Sanii, and Gary B. Schuster pp 9400–9410 DOI: 10.1021/ja991753s Supporting Info

Fundamental Properties of the CH···O Interaction:  Is It a True Hydrogen Bond? Yanliang Gu, Tapas Kar, and Steve Scheiner pp 9411–9422 DOI: 10.1021/ja991795g

Sequence and Stacking Dependence of 8-Oxoguanine Oxidation:  Comparison of One-Electron vs Singlet Oxygen Mechanisms Robyn P. Hickerson, Ferran Prat, James G. Muller, Christopher S. Foote, and Cynthia J. Burrows pp 9423–9428 DOI: 10.1021/ja991929q Supporting Info

Cleavage Reactions of Radical Anions that Range from Homolytic to Heterolytic within the Same Family of Compounds Zi-Rong Zheng, Dennis H. Evans, Elisa Soazara Chan-Shing, and Jean Lessard pp 9429–9434 DOI: 10.1021/ja9922779

Reactions of Cations Derived from Naphthalene with Molecules and Atoms of Interstellar Interest Valéry Le Page, Yeghis Keheyan, Theodore P. Snow, and Veronica M. Bierbaum pp 9435–9446 DOI: 10.1021/ja983472a

Highly Efficient Blue Electroluminescence of Lithium Tetra-(2-methyl-8-hydroxy-quinolinato) Boron X. T. Tao, H. Suzuki, T. Wada, S. Miyata, and H. Sasabe pp 9447–9448 DOI: 10.1021/ja9924142 Supporting Info

Bio-organometallic Organosulfur Chemistry. Transi- tion Metal-Catalyzed Cross-Coupling Using Coen- zyme M or Thioglycolic Acid as the Leaving Group Jiri Srogl, Wansheng Liu, Daniel Marshall, and Lanny S. Liebeskind pp 9449–9450 DOI: 10.1021/ja991654e Supporting Info

Identification of the Near-Infrared Absorption Band from the Mn Cluster of Photosystem II Richard Baxter, Elmars Krausz, Tom Wydrzynski, and Ron J. Pace pp 9451–9452 DOI: 10.1021/ja9838662 Supporting Info

Mo[N(t-Bu)(Ar)]3 Complexes As Catalyst Precursors:  In Situ Activation and Application to Metathesis Reactions of Alkynes and Diynes Alois Fürstner, Christian Mathes, and Christian W. Lehmann pp 9453–9454 DOI: 10.1021/ja991340r Supporting Info

Simultaneous Determination of Intermolecular and Intramolecular 13C and 2H Kinetic Isotope Effects at Natural Abundance Daniel A. Singleton and Michael J. Szymanski pp 9455–9456 DOI: 10.1021/ja992016z

Detection of a New Radical and FeMo-Cofactor EPR Signal during Acetylene Reduction by the α-H195Q Mutant of Nitrogenase Morten Sørlie, Jason Christiansen, Dennis R. Dean, and Brian J. Hales pp 9457–9458 DOI: 10.1021/ja991599+ Supporting Info

Hydrogen Exchange between Hydride and Methyl Ligands in [Cp*Os(dmpm)(CH3)H+] Richard L. Martin pp 9459–9460 DOI: 10.1021/ja990924q

Utilizing Succinic Acid as a Glucose Adjunct in Fed-Batch Fermentation:  Is Butane a Feedstock Option in Microbe-Catalyzed Synthesis? Kai Li and J. W. Frost pp 9461–9462 DOI: 10.1021/ja992477k Supporting Info

Fluorescence Sensing of Anions via Intramolecular Excimer Formation in a Pyrophosphate-Induced Self-Assembly of a Pyrene-Functionalized Guanidinium Receptor Seiichi Nishizawa, Yuichi Kato, and Norio Teramae pp 9463–9464 DOI: 10.1021/ja991497j

Reaction of Titanate-Type Aldehyde Enolate with Ketones To Provide 3-Hydroxyaldehydes Kentaro Yachi, Hiroshi Shinokubo, and Koichiro Oshima pp 9465–9466 DOI: 10.1021/ja9921975 Supporting Info

Photo-Fries Reactions of 1-Naphthyl Esters in Cation-Exchanged Zeolite Y and Polyethylene Media Weiqiang Gu, Manoj Warrier, V. Ramamurthy, and Richard G. Weiss pp 9467–9468 DOI: 10.1021/ja990818o

A Combined Zirconocene Benzyne−Palladium Cross-Coupling Route to Substituted Biphenyls and Terphenyls Michael Frid, Dolores Pérez, Andrew J. Peat, and Stephen L. Buchwald pp 9469–9470 DOI: 10.1021/ja992345r Supporting Info

Synthesis and Catalytic Activity of Unimolecular Dendritic Reverse Micelles with “Internal” Functional Groups Marcelo E. Piotti, Felix Rivera, Jr., Risha Bond, Craig J. Hawker, and Jean M. J. Fréchet pp 9471–9472 DOI: 10.1021/ja991879p

Asymmetric Conjugate Reduction of α,β-Unsaturated Esters Using a Chiral Phosphine−Copper Catalyst Daniel H. Appella, Yasunori Moritani, Ryo Shintani, Eric M. Ferreira, and Stephen L. Buchwald pp 9473–9474 DOI: 10.1021/ja992366l Supporting Info

Homolytic Substitution (SH2) versus Triplet Diradical (ISC) in the Photochemical Denitrogenation of a DBH Azoalkane:  Temperature-Dependent syn/anti Diastereoselectivity as a Mechanistic Probe for the Doubly Inverted Housane Waldemar Adam, Hermenegildo García, Vicente Martí, and Jarugu N. Moorthy pp 9475–9476 DOI: 10.1021/ja992185j Supporting Info

A Cyclic Dimer of Metalloporphyrin Forms a Highly Stable Inclusion Complex with C60 Kentaro Tashiro, Takuzo Aida, Jiang-Yu Zheng, Kazushi Kinbara, Kazuhiko Saigo, Shigeru Sakamoto, and Kentaro Yamaguchi pp 9477–9478 DOI: 10.1021/ja992416m Supporting Info

Reversible Transformation between a Diaminosilylene and a Novel Disilene Thomas A. Schmedake, Michael Haaf, Yitzhak Apeloig, Thomas Müller, Sergey Bukalov, and Robert West pp 9479–9480 DOI: 10.1021/ja992150j Supporting Info

Relationship between Chirality Content and Stereoinduction:  Identification of a Chiraphore Daquan Gao, Sabine Schefzick, and Kenny B. Lipkowitz pp 9481–9482 DOI: 10.1021/ja991391o

Observation of Zwitterionic d0 Zirconium−Alkyl−Alkene Chelates:  Models for Intermediates in Metallocene-Catalyzed Alkene Polymerizations Charles P. Casey, Donald W. Carpenetti II, and Hidehiro Sakurai pp 9483–9484 DOI: 10.1021/ja9919837 Supporting Info

Intramolecular Nucleophilic Addition of Vinylpalladiums to Aryl Ketones [J. Am. Chem. Soc. 1999, 121, 3545−3546]. Long Gyo Quan, Vladimir Gevorgyan, and Yoshinori Yamamoto p 9485 DOI: 10.1021/ja995527u

Biopolymers at Interfaces Edited by Martin Malmsten (Institute for Surface Chemistry, Stockholm, Sweden). Surfactant Science Series, Vol. 75. Marcel Dekker:  New York. 1998. x + 680 pp. $235.00. ISBN 0-8247-0201-8. James D. Batteas pp 9485–9486 DOI: 10.1021/ja985765+

Chemistry and Mode of Action of Crop Protection Agents By Leonard G. Copping (LGC Consultants, Essex, UK) and H. Geoffrey Hewitt (University of Reading, UK). The Royal Society of Chemistry:  Cambridge, UK. 1998. 146 pp. ISBN 0-854-04559-7. Cynthia Atterholt p 9486 DOI: 10.1021/ja985687q

World Records in Chemistry By H.-J. Quadbeck-Seeger, R. Faust, G. Knaus, and U. Siemeling. Wiley/VCH:  Wienheim, Germany. 1999. 348 pp. $44.95. ISBN 3-527-29754-7. Kevin S. Currie p 9486 DOI: 10.1021/ja9957276

Issue 41

Lipase−Silicone Biocomposites:  Efficient and Versatile Immobilized Biocatalysts Iqbal Gill, Eitel Pastor, and Antonio Ballesteros pp 9487–9496 DOI: 10.1021/ja9924849 Supporting Info

Mechanisms of Sulfoxidation Catalyzed by High-Valent Intermediates of Heme Enzymes:  Electron-Transfer vs Oxygen-Transfer Mechanism Yoshio Goto, Toshitaka Matsui, Shin-ichi Ozaki, Yoshihito Watanabe, and Shunichi Fukuzumi pp 9497–9502 DOI: 10.1021/ja9901359 Supporting Info

Free Energy Calculations of Watson−Crick Base Pairing in Aqueous Solution E. Stofer, C. Chipot, and R. Lavery pp 9503–9508 DOI: 10.1021/ja991092z

Screening Combinatorial Libraries of de Novo Proteins by Hydrogen−Deuterium Exchange and Electrospray Mass Spectrometry Daniel M. Rosenbaum, Sushmita Roy, and Michael H. Hecht pp 9509–9513 DOI: 10.1021/ja991843x

Does Positive Charge at the Active Sites of Phosphatases Cause a Change in Mechanism? The Effect of the Conserved Arginine on the Transition State for Phosphoryl Transfer in the Protein-Tyrosine Phosphatase from Yersinia Richard H. Hoff, Li Wu, Bo Zhou, Zhong-Yin Zhang, and Alvan C. Hengge pp 9514–9521 DOI: 10.1021/ja992361o

Temperature- and Electrophile-Dependent Stereocontrol:  A Structural and Mechanistic Investigation of (−)-Sparteine-Mediated Asymmetric Lithiation−Substitution Sequences of N-Boc-N-(p-Methoxyphenyl)cinnamylamine Gerald A. Weisenburger, Neil C. Faibish, Daniel J. Pippel, and Peter Beak pp 9522–9530 DOI: 10.1021/ja9910560 Supporting Info

Tridentate SCS Palladium(II) Complexes:  New, Highly Stable, Recyclable Catalysts for the Heck Reaction David E. Bergbreiter, Philip L. Osburn, and Yun-Shan Liu pp 9531–9538 DOI: 10.1021/ja991099g Supporting Info

Fluorescence Quenching and Size Selective Heterodimerization of a Porphyrin Adsorbed to Gold and Embedded in Rigid Membrane Gaps Werner Fudickar, Jörg Zimmermann, Laurent Ruhlmann, Johannes Schneider, Beate Röder, Ulrich Siggel, and Jürgen-Hinrich Fuhrhop pp 9539–9545 DOI: 10.1021/ja991738n

Direct Oxidative Carbon−Carbon Bond Formation Using the “Cation Pool” Method. 1. Generation of Iminium Cation Pools and Their Reaction with Carbon Nucleophiles Jun-ichi Yoshida, Seiji Suga, Shinkiti Suzuki, Naoya Kinomura, Atsushi Yamamoto, and Kazuyuki Fujiwara pp 9546–9549 DOI: 10.1021/ja9920112 Supporting Info

Highly Active Palladium Catalysts for Suzuki Coupling Reactions John P. Wolfe, Robert A. Singer, Bryant H. Yang, and Stephen L. Buchwald pp 9550–9561 DOI: 10.1021/ja992130h

Chiral Amino Siloxy Dienes in the Diels−Alder Reaction:  Applications to the Asymmetric Synthesis of 4-Substituted and 4,5-Disubstituted Cyclohexenones and the Total Synthesis of (−)-α-Elemene Sergey A. Kozmin and Viresh H. Rawal pp 9562–9573 DOI: 10.1021/ja9921930 Supporting Info

Total Synthesis of the Antitumor Marine Sponge Alkaloid Agelastatin A Didier Stien, Glen T. Anderson, Charles E. Chase, Yung-hyo Koh, and Steven M. Weinreb pp 9574–9579 DOI: 10.1021/ja992487l Supporting Info

Ru(arene)(amino alcohol)-Catalyzed Transfer Hydrogenation of Ketones:  Mechanism and Origin of Enantioselectivity Diego A. Alonso, Peter Brandt, Sofia J. M. Nordin, and Pher G. Andersson pp 9580–9588 DOI: 10.1021/ja9906610 Supporting Info

Thioalkanoates as Site-Directing Nucleating Centers for the Preparation of Patterns of CdS Nanoparticles within 3-D Crystals and LB Films of Cd Alkanoates Shouwu Guo, Leandro Konopny, Ronit Popovitz-Biro, Hagai Cohen, Horia Porteanu, Efrat Lifshitz, and Meir Lahav pp 9589–9598 DOI: 10.1021/ja991354x

Aerobic Oxidation of Primary Alcohols (Including Methanol) by Copper(II)− and Zinc(II)−Phenoxyl Radical Catalysts Phalguni Chaudhuri, Martina Hess, Jochen Müller, Knut Hildenbrand, Eckhard Bill, Thomas Weyhermüller, and Karl Wieghardt pp 9599–9610 DOI: 10.1021/ja991481t Supporting Info

Novel Mesoporous Materials with a Uniform Distribution of Organic Groups and Inorganic Oxide in Their Frameworks Shinji Inagaki, Shiyou Guan, Yoshiaki Fukushima, Tetsu Ohsuna, and Osamu Terasaki pp 9611–9614 DOI: 10.1021/ja9916658

Clarification of the Nature of the “First Chiral and Highly Lewis Acidic Silyl Cationic Catalyst”. Concerning the Question of Siliconium Ions vs Silyl Cations1 George A. Olah, Golam Rasul, and G. K. Surya Prakash pp 9615–9617 DOI: 10.1021/ja9843167

Polarization-Modulated FT-IR Spectroscopy Studies of Acetylcholinesterase Secondary Structure at the Air−Water Interface Leila Dziri, Bernard Desbat, and Roger M. Leblanc pp 9618–9625 DOI: 10.1021/ja990099d Supporting Info

Intramolecular Triplet Energy Transfer in Flexible Molecules:  Electronic, Dynamic, and Structural Aspects Peter J. Wagner and Petr Klán pp 9626–9635 DOI: 10.1021/ja990224l Supporting Info

Theoretical Studies toward Quantitative Protein Circular Dichroism Calculations Nicholas A. Besley and Jonathan D. Hirst pp 9636–9644 DOI: 10.1021/ja990627l Supporting Info

Internal and Overall Peptide Group Motion in Proteins:  Molecular Dynamics Simulations for Lysozyme Compared with Results from X-ray and NMR Spectroscopy Matthias Buck and Martin Karplus pp 9645–9658 DOI: 10.1021/ja991309p

Determination of the Spin Distribution in Nitronylnitroxides by Solid-State 1H, 2H, and 13C NMR Spectroscopy Henrike Heise, Frank H. Köhler, Fernando Mota, Juan J. Novoa, and Jaume Veciana pp 9659–9667 DOI: 10.1021/ja991188t Supporting Info

The Role and Relevance of the Transfer Coefficient α in the Study of Dissociative Electron Transfers:  Concepts and Examples from the Electroreduction of Perbenzoates Sabrina Antonello and Flavio Maran pp 9668–9676 DOI: 10.1021/ja991407a

H-Atom Transfer Is A Preferred Antioxidant Mechanism of Curcumin Slobodan V. Jovanovic, Steen Steenken, Charles W. Boone, and Michael G. Simic pp 9677–9681 DOI: 10.1021/ja991446m

A Computational Study of Methyl α-D-Arabinofuranoside:  Effect of Ring Conformation on Structural Parameters and Energy Profile Matthew T. Gordon, Todd L. Lowary, and Christopher M. Hadad pp 9682–9692 DOI: 10.1021/ja9915091 Supporting Info

Is There a Covalent Intermediate in the Viral Neuraminidase Reaction? A Hybrid Potential Free-Energy Study Aline Thomas, David Jourand, Celine Bret, Patricia Amara, and Martin J. Field pp 9693–9702 DOI: 10.1021/ja991603h

Molecular-Scale Characterization of the Reaction of Ozone with Decanethiol Monolayers on Au(111) Gregory E. Poirier, Tonya M. Herne, C. Cameron Miller, and Michael J. Tarlov pp 9703–9711 DOI: 10.1021/ja991739f

Reaction of Laser-Ablated Uranium Atoms with CO:  Infrared Spectra of the CUO, CUO-, OUCCO, (η2-C2)UO2, and U(CO)x (x = 1−6) Molecules in Solid Neon Mingfei Zhou, Lester Andrews, Jun Li, and Bruce E. Bursten pp 9712–9721 DOI: 10.1021/ja9921322

The First Isolable Dialkylsilylene Mitsuo Kira, Shintaro Ishida, Takeaki Iwamoto, and Chizuko Kabuto pp 9722–9723 DOI: 10.1021/ja9925305 Supporting Info

Complexation with Barium(II) Allows the Inference of the Absolute Configuration of Primary Amines by NMR Blanca López, Emilio Quiñoá, and Ricardo Riguera pp 9724–9725 DOI: 10.1021/ja990597m Supporting Info

Development of a New Lewis Acid-Catalyzed Claisen Rearrangement Tehshik P. Yoon, Vy M. Dong, and David W. C. MacMillan pp 9726–9727 DOI: 10.1021/ja9919884 Supporting Info

Ruthenium-Catalyzed Cycloisomerization of 1,6-Enynes Initiated by C−H Activation Barry M. Trost and F. Dean Toste pp 9728–9729 DOI: 10.1021/ja991977a Supporting Info

Structural Changes Induced by Catalytic Turnover at the Molybdenum Site of Arabidopsis Nitrate Reductase Graham N. George, Jeffrey A. Mertens, and Wilbur H. Campbell pp 9730–9731 DOI: 10.1021/ja990310l

Spring-Loading at the Molecular Level:  Relaxation of Guest-Induced Strain in Channel Inclusion Compounds Mark D. Hollingsworth, Ulrike Werner-Zwanziger, Michael E. Brown, Jason D. Chaney, John C. Huffman, Kenneth D. M. Harris, and Sharon P. Smart pp 9732–9733 DOI: 10.1021/ja9919534 Supporting Info

First Optically Active Diarylpolysilanes:  Facile Helical Screw Sense Control with Only (S)-Enantiopure Side Chains Julian R. Koe, Michiya Fujiki, and Hiroshi Nakashima pp 9734–9735 DOI: 10.1021/ja991680c Supporting Info

First Generation Analogues of the Binuclear Site in the Fe-Only Hydrogenases:  Fe2(μ-SR)2(CO)4(CN)22- Michael Schmidt, Stephen M. Contakes, and Thomas B. Rauchfuss pp 9736–9737 DOI: 10.1021/ja9924187 Supporting Info

Nitrosation of 1,2-Phenylenediamine by Peroxynitrite/CO2:  Evidence for a Free Radical Mechanism Rao M. Uppu and William A. Pryor pp 9738–9739 DOI: 10.1021/ja9921165

Environmental Dependence of the Dynamics of Protein Hydration Water Mounir Tarek and Douglas J. Tobias pp 9740–9741 DOI: 10.1021/ja990643i

Catalytic Asymmetric Acyl Halide−Aldehyde Cyclocondensations. A Strategy for Enantioselective Catalyzed Cross Aldol Reactions Scott G. Nelson, Timothy J. Peelen, and Zhonghui Wan pp 9742–9743 DOI: 10.1021/ja992369y Supporting Info

General, Efficient Route to Thiophene-1-Oxides and Well-Defined, Mixed Thiophene-Thiophene-1-Oxide Oligomers Biwang Jiang and T. Don Tilley pp 9744–9745 DOI: 10.1021/ja992365t Supporting Info

Electronic Interactions between π-Stacked DNA Base Pairs and Diphenylacetylene-4,4‘-dicarboxamide in Hairpin DNA Frederick D. Lewis, Xiaoyang Liu, Scott E. Miller, and Michael R. Wasielewski pp 9746–9747 DOI: 10.1021/ja9924997

Isoniazid Oxidation by Mycobacterium tuberculosis KatG:  A Role for Superoxide Which Correlates with Isoniazid Susceptibility Nancy L. Wengenack, Heidi M. Hoard, and Frank Rusnak pp 9748–9749 DOI: 10.1021/ja992590a

Direct Growth of Single-Walled Carbon Nanotube Scanning Probe Microscopy Tips Jason H. Hafner, Chin Li Cheung, and Charles M. Lieber pp 9750–9751 DOI: 10.1021/ja992761b

Insertion of a Metal Nitride into Carbon−Carbon Double Bonds Seth N. Brown pp 9752–9753 DOI: 10.1021/ja992385v Supporting Info

Total Synthesis of Novel Subclass of Glyco-amino Acid Structure Motif:  C2-α-l-C-Mannosylpyranosyl-l-tryptophan Shino Manabe and Yukishige Ito pp 9754–9755 DOI: 10.1021/ja990926a Supporting Info

Molecular Orientation Effects on the Rates of Heterogeneous Electron Transfer of Unsymmetric Dendrimers Yun Wang, Claudia M. Cardona, and Angel E. Kaifer pp 9756–9757 DOI: 10.1021/ja991628g Supporting Info

A Carbene Analogue with Low-Valent Gallium as a Heteroatom in a quasi-Aromatic Imidazolate Anion Eva S. Schmidt, Alexander Jockisch, and Hubert Schmidbaur pp 9758–9759 DOI: 10.1021/ja9928780 Supporting Info

Conformational Tuning of Valence Delocalization in Carboxylate-Rich Diiron Complexes John R. Hagadorn, Lawrence Que, Jr., and William B. TolmanIon Prisecaru and Eckard Münck pp 9760–9761 DOI: 10.1021/ja992038l Supporting Info

Ion−Ion Collisions Leading to Formation of C−C Bonds at Surfaces:  An Interfacial Kolbe Reaction Jianwei Shen, Chris Evans, Nathan Wade, and R. Graham Cooks pp 9762–9763 DOI: 10.1021/ja9906094

Spectroscopic Evidence for the Participation of an Allylic Analogue of the 5‘-Deoxyadenosyl Radical in the Reaction of Lysine 2,3-Aminomutase Olafur Th. Magnusson, George H. Reed, and Perry A. Frey pp 9764–9765 DOI: 10.1021/ja9925507

Polar Assembly of N,N‘-Bis(4-substituted benzyl)sulfamides Bing Gong, Chong Zheng, Huaqiang Zeng, and Jin Zhu pp 9766–9767 DOI: 10.1021/ja992432j Supporting Info

Intermolecular Interactions Edited by Werner Gans (Free University of Berlin) and Jan C. A. Boeyens (University of the Witwatersrand). Plenum Press:  New York. 1998. 164 pp. $95.00. ISBN 0-306-45922-1. Robert E. Bachman p 9768 DOI: 10.1021/ja985782z

Charge-Shift Bonding in Group IVB Halides:  A Valence Bond Study of MH3−Cl (M = C, Si, Ge, Sn, Pb) Molecules [J. Am. Chem. Soc. 1999, 121, 822]. Avital Shurki, Philippe C. Hiberty, and Sason Shaik p 9768 DOI: 10.1021/ja995530d

Issue 42

Solution Structure and Stereochemistry of Alkyl- and Silyl-Substituted Allenyl-Propargyllithium Reagents Hans J. Reich, Johnathan E. Holladay, Tamara G. Walker, and Jennifer L. Thompson pp 9769–9780 DOI: 10.1021/ja991719d Supporting Info

Quantitative Analysis of Receptors for Adenosine Nucleotides Obtained via In Vitro Selection from a Library Incorporating a Cationic Nucleotide Analog Thomas R. Battersby, Darwin N. Ang, Petra Burgstaller, Simona C. Jurczyk, Michael T. Bowser, Danielle D. Buchanan, Robert T. Kennedy, and Steven A. Benner pp 9781–9789 DOI: 10.1021/ja9816436 Supporting Info

Synthesis of Difficult Cyclic Peptides by Inclusion of a Novel Photolabile Auxiliary in a Ring Contraction Strategy Wim D. F. Meutermans, Simon W. Golding, Greg T. Bourne, Les P. Miranda, Michael J. Dooley, Paul F. Alewood, and Mark L. Smythe pp 9790–9796 DOI: 10.1021/ja992173y

Theoretical and Biochemical Studies on the Selectivity of Nerve Growth Factor for Transition Metal Cations Igor L. Shamovsky, Gregory M. Ross, Richard J. Riopelle, and Donald F. Weaver pp 9797–9806 DOI: 10.1021/ja983303q Supporting Info

1,6-Diene Complexes of Palladium(0) and Platinum(0):  Highly Reactive Sources for the Naked Metals and [L−M0] Fragments Jochen Krause, Günter Cestaric, Karl-Josef Haack, Klaus Seevogel, Werner Storm, and Klaus-Richard Pörschke pp 9807–9823 DOI: 10.1021/ja983939h

Absolute Rate Expressions for Hydrogen Atom Abstraction from Molybdenum Hydrides by Carbon-Centered Radicals James A. Franz, John C. Linehan, Jerome C. Birnbaum, Kenneth W. Hicks, and M. S. Alnajjar pp 9824–9830 DOI: 10.1021/ja991412e Supporting Info

An All-Inorganic, Polyoxometalate-Based Catechol Dioxygenase That Exhibits >100 000 Catalytic Turnovers Heiko Weiner and Richard G. Finke pp 9831–9842 DOI: 10.1021/ja991503b Supporting Info

Density Functional Calculations on Disaccharide Mimics:  Studies of Molecular Geometries and Trans-O-glycosidic 3JCOCH and 3JCOCC Spin-Couplings Francis Cloran, Ian Carmichael, and Anthony S. Serianni pp 9843–9851 DOI: 10.1021/ja984384t

Supramolecular Materials from Triblock Rodcoil Molecules Containing Phenylene Vinylene Gregory N. Tew, Martin U. Pralle, and Samuel I. Stupp pp 9852–9866 DOI: 10.1021/ja991506o

Unusual Properties of Highly Charged Buffers:  Large Ionization Volumes and Low Barrier Hydrogen Bonds Robert A. Hess and Laurie A. Reinhardt pp 9867–9870 DOI: 10.1021/ja9921726

Silylene Extrusion from a Silane:  Direct Conversion of Mes2SiH2 to an Iridium Silylene Dihydride Jonas C. Peters, Jay D. Feldman, and T. Don Tilley pp 9871–9872 DOI: 10.1021/ja992367d Supporting Info

Total Synthesis of Pumiliotoxins A and 225F Shintaro Hirashima, Sakae Aoyagi, and Chihiro Kibayashi pp 9873–9874 DOI: 10.1021/ja991918x Supporting Info

Tandem Radical Cyclizations Initiated with α-Carbonyl Radicals:  First Total Synthesis of (+)-Paniculatine Chin-Kang Sha, Fang-Kun Lee, and Ching-Jung Chang pp 9875–9876 DOI: 10.1021/ja992315o Supporting Info

Diastereodifferentiating Z-E Photoisomerization of 3-Benzoyloxycyclooctene:  Diastereoselectivity Switching Controlled by Substrate Concentration through Competitive Intra- vs Intermolecular Photosensitization Processes Toru Inoue, Keisuke Matsuyama, and Yoshihisa Inoue pp 9877–9878 DOI: 10.1021/ja9918371

Effect of Hexafluoroisopropanol on the Thermodynamics of Peptide Secondary Structure Formation Niels H. Andersen, R. Brian Dyer, R. Matthew Fesinmeyer, Feng Gai, Zhihong Liu, Jonathan W. Neidigh, and Hui Tong pp 9879–9880 DOI: 10.1021/ja991829k Supporting Info

Engineering a Methymycin/Pikromycin−Calicheamicin Hybrid:  Construction of Two New Macrolides Carrying a Designed Sugar Moiety Lishan Zhao, Joachim Ahlert, Yongquan Xue, Jon S. Thorson, David H. Sherman, and Hung-wen Liu pp 9881–9882 DOI: 10.1021/ja992810k

Reaction Products of Acetylcholinesterase and VX Reveal a Mobile Histidine in the Catalytic Triad Charles B. Millard, Gertraud Koellner, Arie Ordentlich, Avigdor Shafferman, Israel Silman, and Joel L. Sussman pp 9883–9884 DOI: 10.1021/ja992704i

Formation and Characterization of a High-Spin Heme-Copper Dioxygen (Peroxo) Complex Reza A. Ghiladi, Telvin D. Ju, Dong-Heon Lee, Pierre Moënne-Loccoz, Susan Kaderli, Yorck-Michael Neuhold, Andreas D. Zuberbühler, Amina S. Woods, Robert J. Cotter, and Kenneth D. Karlin pp 9885–9886 DOI: 10.1021/ja992296i Supporting Info

Directed Evolution To Investigate Steric Control of Enzymatic Oxidosqualene Cyclization. An Isoleucine-to-Valine Mutation in Cycloartenol Synthase Allows Lanosterol and Parkeol Biosynthesis Elizabeth A. Hart, Ling Hua, Lisa B. Darr, William K. Wilson, Jihai Pang, and Seiichi P. T. Matsuda pp 9887–9888 DOI: 10.1021/ja992589b Supporting Info

Efficient Cross-Coupling of Aryl Chlorides with Aryl Grignard Reagents (Kumada Reaction) Mediated by a Palladium/Imidazolium Chloride System Jinkun Huang and Steven P. Nolan pp 9889–9890 DOI: 10.1021/ja991703n Supporting Info

Total Synthesis of 5(R)- and 5(S)-Polyandrane Daniel P. Walker and Paul A. Grieco pp 9891–9892 DOI: 10.1021/ja992791e Supporting Info

Formation of Fe(III)Fe(IV) Species from the Reaction between a Diiron(II) Complex and Dioxygen:  Relevance to Ribonucleotide Reductase Intermediate X Dongwhan Lee, J. Du Bois, Doros Petasis, Michael P. Hendrich, Carsten Krebs, Boi Hanh Huynh, and Stephen J. Lippard pp 9893–9894 DOI: 10.1021/ja9923686 Supporting Info

Asymmetric Cyclopentannelation. Axial to Tetrahedral Chirality Transfer Huaping Hu, David Smith, Roger E. Cramer, and Marcus A. Tius pp 9895–9896 DOI: 10.1021/ja992669f Supporting Info

Mesoporous Silicate Sequestration and Release of Proteins Yong-Jin Han, Galen D. Stucky, and Alison Butler pp 9897–9898 DOI: 10.1021/ja992138r

Synergistic Effects of Hemilabile Coordination and Counterions in Homogeneous Catalysis:  New Tunable Monophosphine Ligands for Hydrovinylation Reactions Malay Nandi, Jian Jin, and T. V. RajanBabu pp 9899–9900 DOI: 10.1021/ja992493h Supporting Info

Mechanism-Based DNA−Protein Cross-Linking of MutY via Oxidation of 8-Oxoguanosine Robyn P. Hickerson, Cindy Lou Chepanoske, Scott D. Williams, Sheila S. David, and Cynthia J. Burrows pp 9901–9902 DOI: 10.1021/ja9923484 Supporting Info

Identification by NMR Spectroscopy of Residues at Contact Surfaces in Large, Slowly Exchanging Macromolecular Complexes Hiroshi Matsuo, Kylie J. Walters, Kenta Teruya, Takeyuki Tanaka, George T. Gassner, Stephen J. Lippard, Yoshimasa Kyogoku, and Gerhard Wagner pp 9903–9904 DOI: 10.1021/ja991881g Supporting Info

Structure and Photoinduced Electron Transfer in Exceptionally Stable Synthetic DNA Hairpins with Stilbenediether Linkers Frederick D. Lewis, Xiaoyang Liu, Yangsheng Wu, Scott E. Miller, Michael R. Wasielewski, Robert L. Letsinger, Ruslan Sanishvili, Andrzej Joachimiak, Valentina Tereshko, and Martin Egli pp 9905–9906 DOI: 10.1021/ja991934u Supporting Info

Issue 43

General Solid-Phase Method for the Preparation of Mechanism-Based Cysteine Protease Inhibitors Alice Lee, Lily Huang, and Jonathan A. Ellman pp 9907–9914 DOI: 10.1021/ja992009a

Determinants of the FeXO (X = C, N, O) Vibrational Frequencies in Heme Adducts from Experiment and Density Functional Theory Kathleen M. Vogel, Pawel M. Kozlowski, Marek Z. Zgierski, and Thomas G. Spiro pp 9915–9921 DOI: 10.1021/ja990042r

Interactions of Substrate and Product Radicals with CoII in Cobalamin and with the Active Site in Ethanolamine Deaminase, Characterized by ESE-EPR and 14N ESEEM Spectroscopies Shyue-Chu Ke and Kurt Warncke pp 9922–9927 DOI: 10.1021/ja990395q

Quantum Mechanical Calculations of Nucleophilic Attack in the Pseudouridine Synthesis Reaction Tai-Sung Lee and Peter A. Kollman pp 9928–9931 DOI: 10.1021/ja991088n

Surface Enhanced Raman Spectroscopy of Individual Rhodamine 6G Molecules on Large Ag Nanocrystals Amy M. Michaels, M. Nirmal, and L. E. Brus pp 9932–9939 DOI: 10.1021/ja992128q

A Revised Structure and Hydrogen-Bonding System in Cellulose II from a Neutron Fiber Diffraction Analysis P. Langan, Y. Nishiyama, and H. Chanzy pp 9940–9946 DOI: 10.1021/ja9916254

Folding Free Energy Surface of a Three-Stranded β-Sheet Protein Badry D. Bursulaya and Charles L. Brooks III pp 9947–9951 DOI: 10.1021/ja991764l

Formation and Catalytic Roles of Compound I in the Hydrogen Peroxide-Dependent Oxidations by His64 Myoglobin Mutants Toshitaka Matsui, Shin-ichi Ozaki, and Yoshihito Watanabe pp 9952–9957 DOI: 10.1021/ja9914846

Molecular Structure−Property Relationships for Electron-Transfer Rate Attenuation in Redox-Active Core Dendrimers Christopher B. Gorman, Jennifer C. Smith, Michael W. Hager, Brandon L. Parkhurst, Hanna Sierzputowska-Gracz, and Carol A. Haney pp 9958–9966 DOI: 10.1021/ja990875h Supporting Info

A Novel and Efficient Synthesis of a Highly Active Analogue of clasto-Lactacystin β-Lactone François Soucy, Louis Grenier, Mark L. Behnke, Antonia T. Destree, Teresa A. McCormack, Julian Adams, and Louis Plamondon pp 9967–9976 DOI: 10.1021/ja991175f Supporting Info

Selective Photoexcitation of the Thione and Thiol Forms of N-Hydroxypyridine-4(1H)-Thione:  A Tautomeric Heteroaromatic System Béatrice M. Aveline and Robert W. Redmond pp 9977–9985 DOI: 10.1021/ja991951j

Zwitterionic Guanidinium Compounds Serve as Electroneutral Anion Hosts Michael Berger and Franz P. Schmidtchen pp 9986–9993 DOI: 10.1021/ja992028k

Search for Long-Lived 1,3-Carbodications and Preparation of the Persistent 1,1,3,3-Tetracyclopropyl-1,3-propanediyl Dication1 George A. Olah, V. Prakash Reddy, Golam Rasul, and G. K. Surya Prakash pp 9994–9998 DOI: 10.1021/ja992321k

An Exceptionally Short and Simple Enantioselective Total Synthesis of Pentacyclic Triterpenes of the β-Amyrin Family Alan X. Huang, Zhaoming Xiong, and E. J. Corey pp 9999–10003 DOI: 10.1021/ja992411p

Total Synthesis of the Vancomycin Aglycon Dale L. Boger, Susumu Miyazaki, Seong Heon Kim, Jason H. Wu, Steven L. Castle, Olivier Loiseleur, and Qing Jin pp 10004–10011 DOI: 10.1021/ja992577q Supporting Info

Total Synthesis of Clavepictines A and B. Diastereoselective Cyclization of δ-Aminoallenes Jae Du Ha and Jin Kun Cha pp 10012–10020 DOI: 10.1021/ja9925958 Supporting Info

Magnetic Excitations in Polyoxometalate Clusters Observed by Inelastic Neutron Scattering:  Evidence for Ferromagnetic Exchange Interactions and Spin Anisotropy in the Tetrameric Nickel(II) Cluster [Ni4(H2O)2(PW9O34)2]10- and Comparison with the Magnetic Properties Juan M. Clemente-Juan, Hanspeter Andres, Juan J. Borrás-Almenar, Eugenio Coronado, Hans U. Güdel, Michael Aebersold, Gordon Kearly, Herma Büttner, and Markus Zolliker pp 10021–10027 DOI: 10.1021/ja990197z

Magnetic Excitations in Polyoxometalate Clusters Observed by Inelastic Neutron Scattering:  Evidence for Anisotropic Ferromagnetic Exchange Interactions in the Tetrameric Cobalt(II) Cluster [Co4(H2O)2(PW9O34)2]10-. Comparison with the Magnetic and Specific Heat Properties Hanspeter Andres, Juan M. Clemente-Juan, Michael Aebersold, Hans U. Güdel, Eugenio Coronado, Herma Büttner, Gordon Kearly, Julio Melero, and Ramón Burriel pp 10028–10034 DOI: 10.1021/ja990198r

Ligand K-Edge and Metal L-Edge X-ray Absorption Spectroscopy and Density Functional Calculations of Oxomolybdenum Complexes with Thiolate and Related Ligands:  Implications for Sulfite Oxidase Yasuo Izumi, Thorsten Glaser, Kendra Rose, Jonathan McMaster, Partha Basu, John H. Enemark, Britt Hedman, Keith O. Hodgson, and Edward I. Solomon pp 10035–10046 DOI: 10.1021/ja9903678 Supporting Info

Pulsed Sonoelectrochemical Synthesis of Cadmium Selenide Nanoparticles Y. Mastai, R. Polsky, Yu. Koltypin, A. Gedanken, and G. Hodes pp 10047–10052 DOI: 10.1021/ja9908772

Redox-Catalyzed Binding of Dinitrogen by Molybdenum N-tert-Hydrocarbylanilide Complexes:  Implications for Dinitrogen Functionalization and Reductive Cleavage Jonas C. Peters, John-Paul F. Cherry, J. Christopher Thomas, Luis Baraldo, Daniel J. Mindiola, William M. Davis, and Christopher C. Cummins pp 10053–10067 DOI: 10.1021/ja991435t Supporting Info

Charge Ordering with Lattice Distortions in a Conductive MMX-Chain Complex, Pt2(dta)4I (dta = CH3CS2-) Hiroshi Kitagawa, Noriaki Onodera, Takuya Sonoyama, Masahiro Yamamoto, Tadashi Fukawa, Tadaoki Mitani, Makoto Seto, and Yutaka Maeda pp 10068–10080 DOI: 10.1021/ja9915910

Electrochemistry of Multicomponent Systems. Redox Series Comprising up to 26 Reversible Reduction Processes in Polynuclear Ruthenium(II) Bipyridine-Type Complexes Massimo Marcaccio, Francesco Paolucci, Carmen Paradisi, Sergio Roffia, Claudio Fontanesi, Lesley J. Yellowlees, Scolastica Serroni, Sebastiano Campagna, Gianfranco Denti, and Vincenzo Balzani pp 10081–10091 DOI: 10.1021/ja9916456 Supporting Info

An Illuminating Framework:  Understanding the Photoluminescence of α-CuAlCl4 Roger M. Sullivan and James D. Martin pp 10092–10097 DOI: 10.1021/ja9925204

The C−F···H−O Hydrogen Bond in the Gas Phase. Rotational Spectrum and ab Initio Calculations of Difluoromethane-Water Walther Caminati, Sonia Melandri, Ivan Rossi, and Paolo G. Favero pp 10098–10101 DOI: 10.1021/ja9907820 Supporting Info

Photon Avalanche in Cs2ZrBr6:Os4+ Markus Wermuth and Hans U. Güdel pp 10102–10111 DOI: 10.1021/ja990847z

Perturbation of Cope's Rearrangement:  1,3,5-Triphenylhexa-l,5-diene. Chameleonic or Centauric Transition Region? W. v. E. Doering* and Yonghui Wang pp 10112–10118 DOI: 10.1021/ja9908568 Supporting Info

Variability of the 15N Chemical Shift Anisotropy in Escherichia coli Ribonuclease H in Solution Christopher D. Kroenke, Mark Rance, and Arthur G. Palmer III pp 10119–10125 DOI: 10.1021/ja9909273 Supporting Info

Experimental and Theoretical Spin Density in a Ferromagnetic Molecular Complex Presenting Interheteromolecular Hydrogen Bonds Yves Pontillon, Takeyuki Akita, Andre Grand, Keiji Kobayashi, Eddy Lelievre-Berna, Jacques Pécaut, Eric Ressouche, and Jacques Schweizer pp 10126–10133 DOI: 10.1021/ja991042u Supporting Info

Probing Resistance to Protein Adsorption of Oligo(ethylene glycol)-Terminated Self-Assembled Monolayers by Scanning Force Microscopy K. Feldman, G. Hähner, N. D. Spencer, P. Harder, and M. Grunze pp 10134–10141 DOI: 10.1021/ja991049b

Facilitated Transport of Hydrophilic Salts by Mixtures of Anion and Cation Carriers and by Ditopic Carriers Lysander A. J. Chrisstoffels, Feike de Jong, David N. Reinhoudt, Stefano Sivelli, Licia Gazzola, Alessandro Casnati, and Rocco Ungaro pp 10142–10151 DOI: 10.1021/ja991588g Supporting Info

Slow Evaporation of Water from Hydrated Salen Transition Metal Complexes in the Gas Phase Reveals Details of Metal Ligand Interactions Sang-Won Lee, Sukbok Chang, Dmitri Kossakovski, Heather Cox, and J. L. Beauchamp pp 10152–10156 DOI: 10.1021/ja991658j

Nonequilibrium Solvation Effects for a Polyatomic Reaction in Solution Yao-Yuan Chuang and Donald G. Truhlar pp 10157–10167 DOI: 10.1021/ja991809i

Reaction Dynamics Study on the Tunneling Effects of a Microsolvated E2 Reaction: FO-(H2O) + C2H5Cl → HOF(H2O) + C2H4 + Cl- Yin-Ru Wu and Wei-Ping Hu pp 10168–10177 DOI: 10.1021/ja991901e Supporting Info

Reaction Mechanism of Compound I Formation in Heme Peroxidases:  A Density Functional Theory Study Maria Wirstam, Margareta R. A. Blomberg, and Per E. M. Siegbahn pp 10178–10185 DOI: 10.1021/ja991997c

Rationalizing the Stereoselectivity of Osmium Tetroxide Asymmetric Dihydroxylations with Transition State Modeling Using Quantum Mechanics-Guided Molecular Mechanics Per-Ola Norrby, Torben Rasmussen, Jan Haller, Thomas Strassner, and K. N. Houk pp 10186–10192 DOI: 10.1021/ja992023n Supporting Info

π- and σ-Coordinated Al in AlC2- and AlCSi-. A Combined Photoelectron Spectroscopy and ab Initio Study Alexander I. Boldyrev, Jack Simons, Xi Li, and Lai-Sheng Wang pp 10193–10197 DOI: 10.1021/ja992102z

NMR Spectroscopic Studies of Lithium Diethylamide:  Insights into Ring Laddering Jennifer L. Rutherford and David B. Collum pp 10198–10202 DOI: 10.1021/ja992169m Supporting Info

Photoinduced Electron Transfer at Liquid/Liquid Interfaces. Part III. Photoelectrochemical Responses Involving Porphyrin Ion Pairs David J. Fermín, H. Dung Duong, Zhifeng Ding, Pierre-François Brevet, and Hubert H. Girault pp 10203–10210 DOI: 10.1021/ja992215i

Stereoselective Synthesis of Tetrahydropyrans via a Formal [4 + 2]-Cycloaddition of Allylsilanes Steven R. Angle and Nahla A. El-Said pp 10211–10212 DOI: 10.1021/ja991861e Supporting Info

A Triplet Carbene That Can Almost Be Bottled Katsuyuki Hirai and Hideo Tomioka pp 10213–10214 DOI: 10.1021/ja991387c

Catalytic Enantioselective Conjugate Addition of 1,3-Dicarbonyl Compounds to Nitroalkenes Jianguo Ji, David M. Barnes, Ji Zhang, Steven A. King, Steven J. Wittenberger, and Howard E. Morton pp 10215–10216 DOI: 10.1021/ja992314w Supporting Info

Synthesis, X-ray Crystal Structure, and Solution Behavior of Fe(NO)2(1-MeIm)2:  Implications for Nitrosyl Non-Heme-Iron Complexes with g = 2.03 Nada Reginato, Christopher T. C. McCrory, Dmitry Pervitsky, and Lijuan Li pp 10217–10218 DOI: 10.1021/ja982491h Supporting Info

Chiral Amine-Catalyzed Asymmetric Baylis−Hillman Reaction:  A Reliable Route to Highly Enantiomerically Enriched (α-Methylene-β-hydroxy)esters Yoshiharu Iwabuchi, Mari Nakatani, Nobiko Yokoyama, and Susumi Hatakeyama pp 10219–10220 DOI: 10.1021/ja992655+ Supporting Info

Nickel-Catalyzed Carbostannylation of Alkynes with Allyl-, Acyl-, and Alkynylstannanes:  Stereoselective Synthesis of Trisubstituted Vinylstannanes Eiji Shirakawa, Kenji Yamasaki, Hiroto Yoshida, and Tamejiro Hiyama pp 10221–10222 DOI: 10.1021/ja992597s Supporting Info

Does Nitroalkane Anomaly Exist in the Gas Phase? Hiroshi Yamataka, Mustanir, and Masaaki Mishima pp 10223–10224 DOI: 10.1021/ja992572t Supporting Info

Experimental Study of Intermediates from OH-Initiated Reactions of Toluene M. J. Molina, R. Zhang, K. Broekhuizen, W. Lei, R. Navarro, and L. T. Molina pp 10225–10226 DOI: 10.1021/ja992461u

Selective Antibody-Catalyzed Solvolysis of endo-2-Norbornyl Mesylate Lifu Ma, Elizabeth H. Sweet, and Peter G. Schultz pp 10227–10228 DOI: 10.1021/ja990896b

The Intramolecular Diels−Alder Reactions of Photochemically Generated trans-Cycloalkenones Hilary Dorr and Viresh H. Rawal pp 10229–10230 DOI: 10.1021/ja992287+ Supporting Info

An Unexpected Reaction of Silacyclopropene To Form an Organodilithiosilane:  Isolation and Characterization of a 1,1-Dilithiosilane Derivative Akira Sekiguchi, Masaaki Ichinohe, and Shoji Yamaguchi pp 10231–10232 DOI: 10.1021/ja991694i Supporting Info

Circular Dichroism at the Edge:  Large X-ray Natural CD in the 1s → 3d Pre-Edge Feature of 2[Co(en)3Cl3]·NaCl·6H2O Brian Stewart, Robert D. Peacock, Lucilla Alagna, Tommaso Prosperi, Stefano Turchini, José Goulon, Andrei Rogalev, and Chantal Goulon-Ginet pp 10233–10234 DOI: 10.1021/ja9920720

Synthesis and Characterization of Trigonal Gold(I) Cage Complexes:  Luminescent Metallocryptates Encapsulating Tl(I) and Na+ Ions Vincent J. Catalano, Byron L. Bennett, and Heidi M. KarBruce C. Noll pp 10235–10236 DOI: 10.1021/ja991982e Supporting Info

Measurement of 13C−15N Distances in Uniformly 13C Labeled Biomolecules:  J-Decoupled REDOR C. P. Jaroniec, B. A. Tounge, C. M. Rienstra, J. Herzfeld, and R. G. Griffin pp 10237–10238 DOI: 10.1021/ja9921569

Guest-Selected Formation of Pd(II)-Linked Cages from a Prototypical Dynamic Library Shuichi Hiraoka and Makoto Fujita pp 10239–10240 DOI: 10.1021/ja990733n Supporting Info

The Lithium−Ene Cyclization and the Purported Carbanion-Induced Ene Cyclization Dai Cheng, Shirong Zhu, Xiaojun Liu, Steven H. Norton, and Theodore Cohen pp 10241–10242 DOI: 10.1021/ja992583m Supporting Info

Bis(arene) Actinide Sandwich Complexes, (η6-C6H3R3)2An:  Linear or Bent? Jun Li and Bruce E. Bursten pp 10243–10244 DOI: 10.1021/ja9923991

Transfer of Chirality from Circularly Polarized Light to a Bulk Material Property:  Propagation of Photoresolution by a Liquid Crystal Transition Kikue S. Burnham and Gary B. Schuster pp 10245–10246 DOI: 10.1021/ja9923033 Supporting Info

Chalcogen-Rich Lanthanide Clusters from Lanthanide Halide Starting Materials:  A New Approach to the Low-Temperature Synthesis of LnSx Solids from Molecular Precursors Jonathan H. Melman, Mark Fitzgerald, D. Freedman, T. J. Emge, and John G. Brennan pp 10247–10248 DOI: 10.1021/ja991860m Supporting Info

Total Synthesis of (±)-Ginkgolide B Michael T. Crimmins, Jennifer M. Pace, Philippe G. Nantermet, Agnes S. Kim-Meade, James B. Thomas, Scott H. Watterson, and Allan S. Wagman pp 10249–10250 DOI: 10.1021/ja993013p Supporting Info

Issue 44

A Palladium-Catalyzed Method for the Preparation of Indoles via the Fischer Indole Synthesis Seble Wagaw, Bryant H. Yang, and Stephen L. Buchwald pp 10251–10263 DOI: 10.1021/ja992077x

Enantioselective Highly Efficient Synthesis of (−)-Cephalotaxine Using Two Palladium-Catalyzed Transformations Lutz F. Tietze and Hartmut Schirok pp 10264–10269 DOI: 10.1021/ja991650+ Supporting Info

The First Synthesis of Herbicidin B. Stereoselective Construction of the Tricyclic Undecose Moiety by a Conformational Restriction Strategy Using Steric Repulsion between Adjacent Bulky Silyl Protecting Groups on a Pyranose Ring Satoshi Ichikawa, Satoshi Shuto, and Akira Matsuda pp 10270–10280 DOI: 10.1021/ja992608h Supporting Info

Chiral Microenvironments in Self-Assembled Capsules Colin Nuckolls, Fraser Hof, Tomás Martín, and Julius Rebek, Jr. pp 10281–10285 DOI: 10.1021/ja992779m

On the Meaning of Affinity:  Cluster Glycoside Effects and Concanavalin A Sarah M. Dimick, Steven C. Powell, Stephen A. McMahon, Davina N. Moothoo, James H. Naismith, and Eric J. Toone pp 10286–10296 DOI: 10.1021/ja991729e Supporting Info

An X-ray Spectroscopic Investigation of Bis(dithiolene)molybdenum(IV,V,VI) and -tungsten(IV,V,VI) Complexes:  Symmetrized Structural Representations of the Active Sites of Molybdoenzymes in the DMSO Reductase Family and of Tungstoenzymes in the AOR and F(M)DH Families Kristin B. Musgrave, James P. Donahue, Christian Lorber, R. H. Holm, Britt Hedman, and Keith O. Hodgson pp 10297–10307 DOI: 10.1021/ja990753p

Alkyl Rearrangement Processes in Organozirconium Complexes. Observation of Internal Alkyl Complexes during Hydrozirconation Paul J. Chirik, Michael W. Day, Jay A. Labinger, and John E. Bercaw pp 10308–10317 DOI: 10.1021/ja9912022 Supporting Info

Silyl Migration of Me3SiCCPh Coordinated to [RuH(CO)(PtBu2Me)2]BAr‘4 Can Be Reversed:  Synthesis and Structure of [Ru(CHC(SiMe3)(Ph))(CO)(PtBu2Me)2]BAr‘4 Dejian Huang, Kirsten Folting, and Kenneth G. Caulton pp 10318–10322 DOI: 10.1021/ja991351k Supporting Info

Salt-Templated Open Frameworks (CU-2):  Novel Phosphates and Arsenates Containing M3(X2O7)22- (M = Mn, Cu; X = P, As) Micropores 5.3 Å and 12.7 Å in Diameter Qun Huang, Mutlu Ulutagay, Patrick A. Michener, and Shiou-Jyh Hwu pp 10323–10326 DOI: 10.1021/ja991768q Supporting Info

Generation of Perfluoropolyphenylene Oligomers via Carbon−Fluorine Bond Activation by Cp2Zr(C6F5)2:  A Dual Mechanism Involving a Radical Chain and Release of Tetrafluorobenzyne Brian L. Edelbach, Bradley M. Kraft, and William D. Jones pp 10327–10331 DOI: 10.1021/ja991805d Supporting Info

Spectroscopic and Electronic Structural Studies of the Cu(III)2 Bis-μ-oxo Core and Its Relation to the Side-On Peroxo-Bridged Dimer Mark J. Henson, Pulakesh Mukherjee, David E. Root, T. D. P. Stack, and Edward I. Solomon pp 10332–10345 DOI: 10.1021/ja9918425 Supporting Info

Electrospray Mass Spectrometry Studies of Poly(Propylene Imine) Dendrimers:  Probing Reactivity in the Gas Phase Jan-Willem Weener, Joost L. J. van Dongen, and E. W. Meijer pp 10346–10355 DOI: 10.1021/ja984432+ Supporting Info

Electronic Spectra of M(CO)6 (M = Cr, Mo, W) Revisited by a Relativistic TDDFT Approach Angela Rosa, Evert Jan Baerends, Stan J. A. van Gisbergen, Erik van Lenthe, Jeroen A. Groeneveld, and Jaap G. Snijders pp 10356–10365 DOI: 10.1021/ja990747t Supporting Info

Cation−π Interactions in Proteins:  Can Simple Models Provide an Accurate Description? Hervé Minoux and Christophe Chipot pp 10366–10372 DOI: 10.1021/ja990914p

Circular Dichroism Constrains NMR-Derived Structures of a Folded Trinitrophenylated Hexapeptide in Solution Thomas P. Burghardt, Nenad Juranić, Slobodan Macura, Andras Muhlrad, and Katalin Ajtai pp 10373–10378 DOI: 10.1021/ja991445u

Elastic Bounded Diffusion. Dynamics of Ferrocene-Labeled Poly(ethylene glycol) Chains Terminally Attached to the Outermost Monolayer of Successively Self-Assembled Monolayers of Immunoglobulins Agnès Anne, Christophe Demaille, and Jacques Moiroux pp 10379–10388 DOI: 10.1021/ja991780i Supporting Info

Solid-State 15N NMR Chemical Shift Anisotropy of Histidines:  Experimental and Theoretical Studies of Hydrogen Bonding Yufeng Wei, Angel C. de Dios, and Ann E. McDermott pp 10389–10394 DOI: 10.1021/ja9919074

The First Phenalenyl-Based Neutral Radical Molecular Conductor X. Chi, M. E. Itkis, B. O. Patrick, T. M. Barclay, R. W. Reed, R. T. Oakley, A. W. Cordes, and R. C. Haddon pp 10395–10402 DOI: 10.1021/ja992040c Supporting Info

Nuclear and Electronic Relaxation of Eu2+(aq):  An Extremely Labile Aqua Ion1 Peter Caravan, Éva Tóth, Antal Rockenbauer, and André E. Merbach pp 10403–10409 DOI: 10.1021/ja992264v Supporting Info

Solvent Dynamics and Pressure Effects in the Kinetics of the Tris(bipyridine)cobalt(III/II) Electrode Reaction in Various Solvents Yansong Fu, Amanda S. Cole, and Thomas W. Swaddle pp 10410–10415 DOI: 10.1021/ja9923179 Supporting Info

Regio- and Enantioselective Molybdenum-Catalyzed Alkylations of Polyenyl Esters Barry M. Trost, Stefan Hildbrand, and Kalindi Dogra pp 10416–10417 DOI: 10.1021/ja992602s Supporting Info

Deoxynucleic Guanidines/PNA (DNG/PNA) Chimeras:  Oligonucleoside Analogue Containing Cationic Guanidinium and Neutral Amide Linkages Dinesh A. Barawkar and Thomas C. Bruice pp 10418–10419 DOI: 10.1021/ja9923540 Supporting Info

The First Synthesis of Well-Defined Poly(2,5-silole) Shigehiro Yamaguchi, Ren-Zhi Jin, Yujiro Itami, Tomoyuki Goto, and Kohei Tamao pp 10420–10421 DOI: 10.1021/ja9927826 Supporting Info

Formation of η3-Allyl and Its Cryogenic Coupling Reaction with Allyl Bromide on Cu(100) H. Celio, K. C. Smith, and J. M. White pp 10422–10423 DOI: 10.1021/ja9909430

A New Coupled Catalytic System for Dihydroxylation of Olefins by H2O2 Katarina Bergstad, Sandra Y. Jonsson, and Jan-E. Bäckvall pp 10424–10425 DOI: 10.1021/ja991710b Supporting Info

A Cyclometalated Resting State for a Reactive Molybdenum Amide:  Favorable Consequences of β-Hydrogen Elimination Including Reductive Cleavage, Coupling, and Complexation Yi-Chou Tsai, Marc J. A. Johnson, Daniel J. Mindiola, and Christopher C. CumminsWim T. Klooster and Thomas F. Koetzle pp 10426–10427 DOI: 10.1021/ja9917464 Supporting Info

Charge Density in Transition Metal Clusters:  Supported vs Unsupported Metal−Metal Interactions P. Macchi, L. Garlaschelli, S. Martinengo, and A. Sironi pp 10428–10429 DOI: 10.1021/ja9918977 Supporting Info

Metal Encapsulating Carbon Nanostructures from Oligoalkyne Metal Complexes Peter I. Dosa, Christoph Erben, Vivekanantan S. Iyer, K. Peter C. Vollhardt, and Ian M. Wasser pp 10430–10431 DOI: 10.1021/ja9924602 Supporting Info

Further Contraction of ZrW2O8 N. Duan, U. Kameswari, and A. W. Sleight pp 10432–10433 DOI: 10.1021/ja992569+

Self-Assembly of Nanoscopic Dodecahedra from 50 Predesigned Components Bogdan Olenyuk, Michael D. Levin, Jeffery A. Whiteford, Jeffrey E. Shield, and Peter J. Stang pp 10434–10435 DOI: 10.1021/ja9931933 Supporting Info

Communication between Surfaces by Electron Relay in a Doubly Heterogeneous Photochemical Reaction Mohamed Ayadim, Jean L. Habib Jiwan, and Jean Ph. Soumillion pp 10436–10437 DOI: 10.1021/ja990316a Supporting Info

Dipyrrolylquinoxalines:  Efficient Sensors for Fluoride Anion in Organic Solution Christopher B. Black, Bruno Andrioletti, Andrew C. Try, Cristina Ruiperez, and Jonathan L. Sessler pp 10438–10439 DOI: 10.1021/ja992579a Supporting Info

Squeezing a Synthetic Ionophore and Mechanistic Insight Out of a Lipid Bilayer Sijbren Otto, Manette Osifchin, and Steven L. Regen pp 10440–10441 DOI: 10.1021/ja992920r Supporting Info

Transition Metal-Catalyzed [5+2] Cycloadditions with Substituted Cyclopropanes:  First Studies of Regio- and Stereoselectivity Paul A. Wender, Alaric J. Dyckman, Craig O. Husfeld, Dieter Kadereit, Jennifer A. Love, and Heiko Rieck pp 10442–10443 DOI: 10.1021/ja992580+ Supporting Info

Reductive Cleavage of Dinitrogen by a Vanadium Diamidoamine Complex:  the Molecular Structures of [V(Me3SiN{CH2CH2NSiMe3}2)(μ-N)]2 and K[V(Me3SiN{CH2CH2NSiMe3}2)(μ-N)]2 Guy K. B. Clentsmith, Vanessa M. E. Bates, Peter B. Hitchcock, and F. Geoffrey N. Cloke pp 10444–10445 DOI: 10.1021/ja9921219 Supporting Info

Intramolecular, Oxidatively Induced Substitution on a Coordinated Terpyridyl Ligand My Hang V. Huynh, Donald G. Lee, Peter S. White, and Thomas J. Meyer pp 10446–10447 DOI: 10.1021/ja991677t Supporting Info

Synthetic Analogs for the MoFe3S3 Subunit of the Nitrogenase Cofactor:  Structural Features Associated with the Total Number of Valence Electrons and the Possible Role of M−M and Multiple M−S Bonding in the Function of Nitrogenase Jaehong Han, Karsten Beck, Nathan Ockwig, and Dimitri Coucouvanis pp 10448–10449 DOI: 10.1021/ja991880o Supporting Info

Mössbauer Evidence for a Diferrous [2Fe-2S] Cluster in a Ferredoxin from Aquifex aeolicus Sun Jae Yoo, Jacques Meyer, and Eckard Münck pp 10450–10451 DOI: 10.1021/ja992829n

Mispyric Acid, a New Monocyclic Triterpenoid with a Novel Skeleton from Mischocarpus pyriformis that Inhibits DNA Polymerase β  [J. Am. Chem. Soc. 1999, 121 (26), 6120−6124]. Di-An Sun, Jing-Zhen Deng, Shelley R. Starck, and Sidney M. Hecht p 10452 DOI: 10.1021/ja995528m

Nonenzymatic Kinetic Resolution of Propargylic Alcohols by a Planar−Chiral DMAP Derivative:  Crystallographic Characterization of the Acylated Catalyst [J. Am. Chem. Soc. 1999, 121, 5091−5092]. Beata Tao, J. Craig Ruble, Diego A. Hoic, and Gregory C. Fu p 10452 DOI: 10.1021/ja995532y Supporting Info

Issue 45

A General Method for the Synthesis of the N2- and N6- Carcinogenic Amine Adducts of 2‘-Deoxyguanosine and 2‘-Deoxyadenosine1 Francesco De Riccardis, Radha R. Bonala, and Francis Johnson pp 10453–10460 DOI: 10.1021/ja991328z Supporting Info

Catalytically Distinct Antibodies Prepared by the Reactive Immunization versus Transition State Analogue Hapten Manifolds Anita Datta, Paul Wentworth, Jr., Joanne P. Shaw, Anton Simeonov, and Kim D. Janda pp 10461–10467 DOI: 10.1021/ja991274t

Total Synthesis of (+)-Calyculin A and (−)-Calyculin B:  Asymmetric Synthesis of the C(9−25) Spiroketal Dipropionate Subunit Amos B. Smith, III, Gregory K. Friestad, Joseph Barbosa, Emmanuel Bertounesque, Kenneth G. Hull, Makoto Iwashima, Yuping Qiu, Brian A. Salvatore, P. Grant Spoors, and James J.-W. Duan pp 10468–10477 DOI: 10.1021/ja992134m Supporting Info

Total Synthesis of (+)-Calyculin A and (−)-Calyculin B:  Cyanotetraene Construction, Asymmetric Synthesis of the C(26−37) Oxazole, Fragment Assembly, and Final Elaboration Amos B. Smith, III, Gregory K. Friestad, Joseph Barbosa, Emmanuel Bertounesque, James J.-W. Duan, Kenneth G. Hull, Makoto Iwashima, Yuping Qiu, P. Grant Spoors, and Brian A. Salvatore pp 10478–10486 DOI: 10.1021/ja992135e Supporting Info

Selective Supramolecular Porphyrin/Fullerene Interactions1 Peter D. W. Boyd, Michael C. Hodgson, Clifton E. F. Rickard, Allen G. Oliver, Leila Chaker, Penelope J. Brothers, Robert D. Bolskar, Fook S. Tham, and Christopher A. Reed pp 10487–10495 DOI: 10.1021/ja992165h Supporting Info

Photoequilibration of 1-Naphthylcarbene and 4,5-Benzobicyclo[4.1.0]hepta-2,4,6-triene Paul A. Bonvallet and Robert J. McMahon pp 10496–10503 DOI: 10.1021/ja9920157 Supporting Info

NO Disproportionation Reactivity of Fe Tropocoronand Complexes Katherine J. Franz and Stephen J. Lippard pp 10504–10512 DOI: 10.1021/ja991664f Supporting Info

From Molecules to Frameworks:  Variable Dimensionality in the UO2(CH3COO)2·2H2O/HF(aq)/Piperazine System. Syntheses, Structures, and Characterization of Zero-Dimensional (C4N2H12)UO2F4·3H2O, One-Dimensional (C4N2H12)2U2F12·H2O, Two-Dimensional (C4N2H12)2(U2O4F5)4·11H2O, and Three-Dimensional (C4N2H12)U2O4F6 Susan M. Walker, P. Shiv Halasyamani, Simon Allen, and Dermot O'Hare pp 10513–10521 DOI: 10.1021/ja992145f Supporting Info

Identification of a Rearranged-Substrate, Product Radical Intermediate and the Contribution of a Product Radical Trap in Vitamin B12 Coenzyme-Dependent Ethanolamine Deaminase Catalysis Kurt Warncke, Jennifer C. Schmidt, and Shyue-Chu Ke pp 10522–10528 DOI: 10.1021/ja984005w

A Becke3LYP/6-31G* Study of the Cope Rearrangements of Substituted 1,5-Hexadienes Provides Computational Evidence for a Chameleonic Transition State David A. Hrovat, Brett R. Beno, Holger Lange, Hi-Young Yoo, K. N. Houk, and Weston Thatcher Borden pp 10529–10537 DOI: 10.1021/ja990476m Supporting Info

Stereochemistry of Solvation of Benzylic Lithium Compounds:  Structure and Dynamic Behavior Gideon Fraenkel, Joseph H. Duncan, Kevin Martin, and Jinhai Wang pp 10538–10544 DOI: 10.1021/ja990485v Supporting Info

Molecular Control over Semiconductor Surface Electronic Properties:  Dicarboxylic Acids on CdTe, CdSe, GaAs, and InP R. Cohen, L. Kronik, A. Shanzer, David Cahen, A. Liu, Y. Rosenwaks, J. K. Lorenz, and A. B. Ellis pp 10545–10553 DOI: 10.1021/ja9906150 Supporting Info

Dissociative and Reactive Hyperthermal Ion−Surface Collisions with Langmuir−Blodgett Films Terminated by CF3(CH2)n−, n-Perfluoroalkyl, or n-Alkyl Groups Chungang Gu, Vicki H. Wysocki, Atsuhiro Harada, Hiroaki Takaya, and Itsumaro Kumadaki pp 10554–10562 DOI: 10.1021/ja990719a

Of Ortho-Conjugatively Linked Reactive Intermediates:  The Cases of Ortho-Phenylene-(Bis)Nitrene, -Carbenonitrene, and -(Bis)Carbene Athanassios Nicolaides, Takehito Nakayama, Katsuhisa Yamazaki, Hideo Tomioka, Shiro Koseki, Louise L. Stracener, and Robert J. McMahon pp 10563–10572 DOI: 10.1021/ja9913636 Supporting Info

Structural Volume Changes upon Photoexcitation of Porphyrins:  Role of the Nitrogen−Water Interactions Thomas Gensch, Cristiano Viappiani, and Silvia E. Braslavsky pp 10573–10582 DOI: 10.1021/ja9913885

Theoretical Study of the 1,2 Rearrangement of Housane Radical Cations:  Key Role of a Transient Cyclopentane-1,3-diyl Intermediate Lluís Blancafort, Waldemar Adam, David González, Massimo Olivucci, Thom Vreven, and Michael A. Robb pp 10583–10590 DOI: 10.1021/ja991441p Supporting Info

Design of a Novel Magnet Exhibiting Photoinduced Magnetic Pole Inversion Based on Molecular Field Theory Shin-ichi Ohkoshi and Kazuhito Hashimoto pp 10591–10597 DOI: 10.1021/ja991473c

Theoretical Study of Photoinduced Proton-Coupled Electron Transfer through Asymmetric Salt Bridges Alexander Soudackov and Sharon Hammes-Schiffer pp 10598–10607 DOI: 10.1021/ja992380y

Measurement of Methyl 2H Quadrupolar Couplings in Oriented Proteins. How Uniform Is the Quadrupolar Coupling Constant? Anthony Mittermaier and Lewis E. Kay pp 10608–10613 DOI: 10.1021/ja9925047

HCN Synthesis from Methane and Ammonia:  Mechanisms of Pt+-Mediated C−N Coupling Martin Diefenbach, Mark Brönstrup, Massimiliano Aschi, Detlef Schröder, and Helmut Schwarz pp 10614–10625 DOI: 10.1021/ja992642w

Thermodynamics of a Diaminocarbene−Tetraaminoethylene Equilibrium Yufa Liu, Patrick E. Lindner, and David M. Lemal pp 10626–10627 DOI: 10.1021/ja9922678

Protonation of Small Alkanes in Liquid Superacids:  Absence of Intramolecular 13C and 2H Scrambling in Propane and Isobutane Alain Goeppert, Alain Sassi, Jean Sommer, Pierre M. Esteves, Claudio J. A. Mota, Annika Karlsson, and Per Ahlberg pp 10628–10629 DOI: 10.1021/ja991674g Supporting Info

Light Induced Excited Pair Spin State in an Iron(II) Binuclear Spin-Crossover Compound Jean-François Létard, José Antonio Real, Nicolás Moliner, Ana B. Gaspar, Laurence Capes, Olivier Cador, and Olivier Kahn pp 10630–10631 DOI: 10.1021/ja991476p

C−H Bond Activations by New Labile η6-Arene Complexes of Iridium Francisco Torres, Eduardo Sola, Marta Martín, José A. López, Fernando J. Lahoz, and Luis A. Oro pp 10632–10633 DOI: 10.1021/ja9923890 Supporting Info

Low-Temperature Spectroscopic Observation of Chain Growth and Migratory Insertion Barriers in (α-Diimine)Ni(II) Olefin Polymerization Catalysts Steven A. Svejda, Lynda K. Johnson, and Maurice Brookhart pp 10634–10635 DOI: 10.1021/ja991931h Supporting Info

Probing Cell Surface “Glyco-Architecture” through Total Synthesis. Immunological Consequences of a Human Blood Group Determinant in a Clustered Mucin-like Context Peter W. Glunz, Samuel Hintermann, Jacob B. Schwarz, Scott D. Kuduk, Xiao-Tao Chen, Lawrence J. Williams, Dalibor Sames, Samuel J. Danishefsky, Valery Kudryashov, and Kenneth O. Lloyd pp 10636–10637 DOI: 10.1021/ja992309s Supporting Info

Novel Addition Reactions of 2,2,7,7-Tetramethyl-3,5-octadiyne to the Methyl Groups of a η5-Pentamethylcyclopentadienyl Ligand Michal Horáek, Petr Štěpnika, Róbert Gyepes, Ivana Císařová, Miroslav Polášek, Karel Mach, Paul-Michael Pellny, Vladimir V. Burlakov, Wolfgang Baumann, Anke Spannenberg, and Uwe Rosenthal pp 10638–10639 DOI: 10.1021/ja991299s Supporting Info

Carbon−Carbon Bond Activation by Electrophilic Complexes of Cobalt:  Anomalous [3 + 2 + 2] Allyl/Alkyne Cycloaddition Reactions and [5 + 2] Cyclopentenyl/Alkyne Insertion−Ring Expansion Reactions Trevor L. Dzwiniel, Nola Etkin, and Jeffrey M. Stryker pp 10640–10641 DOI: 10.1021/ja992598k Supporting Info

Preparation of Polymer-Coated Functionalized Silver Nanoparticles Luca Quaroni and George Chumanov pp 10642–10643 DOI: 10.1021/ja992088q Supporting Info

Synthesis and Isolation of Stable Hypervalent Carbon Compound (10-C-5) Bearing a 1,8-Dimethoxyanthracene Ligand Kin-ya Akiba, Makoto Yamashita, Yohsuke Yamamoto, and Shigeru Nagase pp 10644–10645 DOI: 10.1021/ja992719g Supporting Info

NMR Spectroscopic Determination of the Absolute Configuration of Chiral Sulfoxides via N-(Methoxyphenylacetyl)sulfoximines Tetsuya Yabuuchi and Takenori Kusumi pp 10646–10647 DOI: 10.1021/ja992730g Supporting Info

A Strategy for Macrocyclic Ring Closure and Functionalization Aimed toward Split-Pool Syntheses Daesung Lee, Jason K. Sello, and Stuart L. Schreiber pp 10648–10649 DOI: 10.1021/ja992658m Supporting Info

High Facial Diastereoselectivity in the Photocycloaddition of a Chiral Aromatic Aldehyde and an Enamide Induced by Intermolecular Hydrogen Bonding Thorsten Bach, Hermann Bergmann, and Klaus Harms pp 10650–10651 DOI: 10.1021/ja992209m Supporting Info

The Mutagenic Damaged DNA Base, 5,6-Dihydrouracil (DHU), Incorporated into a 14-mer Duplex:  NMR Evidence That DHU Is Intrahelical and Causes Minimal DNA Distortion Julie M. Villanueva, Jan Pohl, Paul W. Doetsch, and Luigi G. Marzilli pp 10652–10653 DOI: 10.1021/ja9920516 Supporting Info

EPR and ENDOR of Catalytic Intermediates in Cryoreduced Native and Mutant Oxy-Cytochromes P450cam:  Mutation-Induced Changes in the Proton Delivery System Roman Davydov, Iain D. G. Macdonald, Thomas M. Makris, Stephen G. Sligar, and Brian M. Hoffman pp 10654–10655 DOI: 10.1021/ja9918829

Hydroperoxy-Heme Oxygenase Generated by Cryoreduction Catalyzes the Formation of α-meso-Hydroxyheme as Detected by EPR and ENDOR Roman M. Davydov, Tadashi Yoshida, Masao Ikeda-Saito, and Brian M. Hoffman pp 10656–10657 DOI: 10.1021/ja992425v

A Blue-Luminescent Dendritic Rod:  Poly(phenyleneethynylene) within a Light-Harvesting Dendritic Envelope Takafumi Sato, Dong-Lin Jiang, and Takuzo Aida pp 10658–10659 DOI: 10.1021/ja9922983 Supporting Info

Organometallic Sandwich Chains Made of Conjugated Polyenes and Metal−Metal Chains Tetsuro Murahashi, Eiko Mochizuki, Yasushi Kai, and Hideo Kurosawa pp 10660–10661 DOI: 10.1021/ja992387f Supporting Info

Chemical Genetic and Genomic Approaches Reveal a Role for Copper in Specific Gene Activation Brent R. Stockwell, James S. Hardwick, Jeffrey K. Tong, and Stuart L. Schreiber pp 10662–10663 DOI: 10.1021/ja9921221 Supporting Info

Both an Oxidation/Reduction Sequence and Deprotonation of a Unique Paramagnetic Ligand Lead to a Mixed-Valent Complex David A. Shultz, Scot H. Bodnar, R. Krishna Kumar, and Jeff W. Kampf pp 10664–10665 DOI: 10.1021/ja9931675 Supporting Info

Crystalline Salts of Na- and K- (Alkalides) that Are Stable at Room Temperature Jineun Kim, Andrew S. Ichimura, Rui H. Huang, Mikhail Redko, Richard C. Phillips, James E. Jackson, and James L. Dye pp 10666–10667 DOI: 10.1021/ja992667v Supporting Info

Primary Vinyl Cations in Solution:  Kinetics and Products of β, β-Disubstituted Alkenyl(aryl)iodonium Triflate Fragmentations [J. Am. Chem. Soc. 1999, 121, 7437−7438]. Robert J. Hinkle, Anne J. McNeil, Quinn A. Thomas, and Marie N. Andrews p 10668 DOI: 10.1021/ja995533q

Evolution and Study of Polymer-Supported Metal Catalysts for Oxygen Atom Transfer:  Oxidation of Alkanes and Alkenes by Diamide Manganese Complexes [J. Am. Chem. Soc. 1999, 121, 8965−8966]. Miroslav Havranek, Arun Singh, and Dalibor Sames p 10668 DOI: 10.1021/ja995534i Supporting Info

Advances in Nitrogen Heterocycles, Vol. 3 Edited by Christopher J. Moody (University of Exeter). JAI Press:  Stanford, CT. 1998. x + 224 pp. $109.50. ISBN 0-7623-0209-7. Raymond P. Panzica, Ph.D. pp 10668–10669 DOI: 10.1021/ja995688y

Lysosomal Cysteine Proteinases By Heidrun Kirschke (Martin-Luther-Universitat Halle-Wittenberg, Germany), Alan J. Barrett (The Babraham Institute, United Kingdom), and Neil D. Rawlings (The Babraham Institute, United Kingdom). Oxford University Press:  Oxford, New York, and Tokyo. 1998. xiii+ 131 pp. $45.00. ISBN 0-19-850249-4. Ann Erickson p 10669 DOI: 10.1021/ja985743n

Molecular Symmetry and Spectroscopy, 2nd Edition By P. R. Bunker (National Research Council, Canada) and P. Jensen (Bergische UniversitätGesamthochschule Wuppertal). NRC Press:  Ottawa, Canada. 1998. xix + 747 pp. $64.00. ISBN 0-660-17519-3. Charles D. Pibel p 10669 DOI: 10.1021/ja9857716

Advances in DNA Sequence Specific Agents, Volume 3 Series edited by Graham B. Jones (Clemson University). Volume Edited by Manlio Palumbo (University of Padova). JAI Press Inc.:  Greenwich, CT. 1998. ix + 283 pp. $109.50. ISBN 0-7623-0203-8. Kent S. Gates pp 10669–10670 DOI: 10.1021/ja985646u

Highly Excited Atoms By Jean-Patrick Connerade (Imperial College). Cambridge University Press:  New York. 1998. xxiii + 501 pp. $110.00. ISBN 0-521-43232-4. Robert J. Hinde p 10670 DOI: 10.1021/ja985690+

Tartaric and Malic Acids in Synthesis:  A Source Book of Building Blocks, Ligands, Auxiliaries, and Resolving Agents By Jacek Gawroński and Krystyna Gawrońska (Adam Mickiewicz University, Poznań, Poland). Wiley:  New York and Toronto. 1999. xxii + 591 pp. $149.00. ISBN 0-471-24451-1. Brian L. Pagenkopf p 10670 DOI: 10.1021/ja9957229

Issue 46

Correlations Between the Charge of Proteins and the Number of Ionizable Groups They Incorporate:  Studies Using Protein Charge Ladders, Capillary Electrophoresis, and Debye−Hückel Theory Jeffrey D. Carbeck, Ian J. Colton, Janelle R. Anderson, John M. Deutch, and George M. Whitesides pp 10671–10679 DOI: 10.1021/ja991526q

Fidelity of Deoxynucleic S-Methythiourea (DNmt) Binding to DNA Oligomers:  Influence of C Mismatches Dev P. Arya and Thomas C. Bruice pp 10680–10684 DOI: 10.1021/ja992871i

β-Phosphatoxyalkyl Radical Reactions:  Competing Phosphate Migration and Phosphoric Acid Elimination from a Radical Cation−Phosphate Anion Pair Formed by Heterolytic Fragmentation Martin Newcomb, John H. Horner, Patrick O. Whitted, David Crich, Xianhai Huang, Qingwei Yao, and Hendrik Zipse pp 10685–10694 DOI: 10.1021/ja991012r Supporting Info

Cage-Escape of Geminate Radical Pairs Can Produce Peroxynitrate from Peroxynitrite under a Wide Variety of Experimental Conditions1 George R. Hodges and K. U. Ingold pp 10695–10701 DOI: 10.1021/ja991077u Supporting Info

Trapped Optically Active (E)-Cycloheptene Generated by Enantiodifferentiating Z−E Photoisomerization of Cycloheptene Sensitized by Chiral Aromatic Esters Ralf Hoffmann and Yoshihisa Inoue pp 10702–10710 DOI: 10.1021/ja991315l

The Continuous Acid-Catalyzed Dehydration of Alcohols in Supercritical Fluids:  A New Approach to the Cleaner Synthesis of Acetals, Ketals, and Ethers with High Selectivity William K. Gray, Fiona R. Smail, Martin G. Hitzler, Stephen K. Ross, and Martyn Poliakoff pp 10711–10718 DOI: 10.1021/ja991562p

Synthesis and Structural Characterization of Novel Organometallic Dehydroannulenes with Fused CpCo-Cyclobutadiene and Ferrocene Units Including a Cyclic Fullerenyne Segment Uwe H. F. Bunz, Gaby Roidl, Markus Altmann, Volker Enkelmann, and Ken D. Shimizu pp 10719–10726 DOI: 10.1021/ja992262a Supporting Info

Enantioselective Allylations of Azlactones with Unsymmetrical Acyclic Allyl Esters Barry M. Trost and Xavier Ariza pp 10727–10737 DOI: 10.1021/ja992754n

Syntheses and Structures of Bridge and Chelate Isomers of Tetraplatinum(II) Cluster Complex with Diethyldithiophosphate Ion (Et2dtp) at In-Plane Sites, [Pt4(CH3COO)4(Et2dtp)4], and Their Mutual Isomerization via Cluster Core Rotation Tadashi Yamaguchi, Haruko Saito, Taro Maki, and Tasuku Ito pp 10738–10742 DOI: 10.1021/ja990596u Supporting Info

Assembly of Metal−Anion Arrays within a Perovskite Host. Low-Temperature Synthesis of New Layered Copper−Oxyhalides, (CuX)LaNb2O7, X = Cl, Br Thomas A. Kodenkandath, John N. Lalena, Weilie L. Zhou, Everett E. Carpenter, Claudio Sangregorio, A. U. Falster, W. B. Simmons, Jr., Charles J. O'Connor, and John B. Wiley pp 10743–10746 DOI: 10.1021/ja991566u

Lanthanide Helicates Self-Assembled in Water:  A New Class of Highly Stable and Luminescent Dimetallic Carboxylates Mourad Elhabiri, Rosario Scopelliti, Jean-Claude G. Bünzli, and Claude Piguet pp 10747–10762 DOI: 10.1021/ja991854q Supporting Info

Origin of the High Electrical Conductivity of Neutral [Ni(ptdt)2] (ptdt2- = propylenedithiotetrathiafulvalenedithiolate):  A Route to Neutral Molecular Metal Akiko Kobayashi, Hisashi Tanaka, Mieko Kumasaki, Hajime Torii, Bakhyt Narymbetov, and Takahumi Adachi pp 10763–10771 DOI: 10.1021/ja9921017 Supporting Info

A Density Functional Study on the Coordination of Aldehydes to N-Sulfonyl 1,3,2-Oxazaborolidin-5-one Luis Salvatella and Manuel F. Ruiz-López pp 10772–10780 DOI: 10.1021/ja9905748 Supporting Info

Intramolecular Electron Transfer from Mn or Ligand Phenolate to Photochemically Generated RuIII in Multinuclear Ru/Mn Complexes. Laser Flash Photolysis and EPR Studies on Photosystem II Models Dirk Burdinski, Karl Wieghardt, and Steen Steenken pp 10781–10787 DOI: 10.1021/ja991402d

Conformations of [10]Annulene:  More Bad News for Density Functional Theory and Second-Order Perturbation Theory Rollin A. King, T. Daniel Crawford, John F. Stanton, and Henry F. Schaefer, III pp 10788–10793 DOI: 10.1021/ja991429x Supporting Info

Molecular Beam Scattering of Aligned Oxygen Molecules. The Nature of the Bond in the O2−O2 Dimer Vincenzo Aquilanti, Daniela Ascenzi, Massimiliano Bartolomei, David Cappelletti, Simonetta Cavalli, Miguel de Castro Vìtores, and Fernando Pirani pp 10794–10802 DOI: 10.1021/ja9917215

Electrochemical Study of Electron Transport through Thin DNA Films Gerhard Hartwich, Daren J. Caruana, Thierry de Lumley-Woodyear, Yubin Wu, Charles N. Campbell, and Adam Heller pp 10803–10812 DOI: 10.1021/ja9920664

Examining Trends in the Tetravalent Character of Group 14 Elements (C, Si, Ge, Sn, Pb) with Acids and Hydroperoxides Nancy A. Richardson, Jonathan C. Rienstra-Kiracofe, and Henry F. Schaefer, III pp 10813–10819 DOI: 10.1021/ja9922173 Supporting Info

The Importance of Spin Polarization in Electronic Substituent Effects of the Zero-Field EPR D Parameter in 1,3-Diarylcyclopentane-1,3-diyl Triplet Diradicals Waldemar Adam and Claus van Barneveld pp 10820–10827 DOI: 10.1021/ja9925453 Supporting Info

A Concise, Stereocontrolled Synthesis of (−)-Saframycin A by the Directed Condensation of α-Amino Aldehyde Precursors Andrew G. Myers and Daniel W. Kung pp 10828–10829 DOI: 10.1021/ja993079k Supporting Info

Prediction of the Bond Lengths, Vibrational Frequencies, and Bond Dissociation Energy of Octahedral Seaborgium Hexacarbonyl, Sg(CO)6 Clinton S. NashBruce E. Bursten pp 10830–10831 DOI: 10.1021/ja9928273

Patterned Growth of Well-Aligned Carbon Nanotubes:  A Photolithographic Approach Yongyuan Yang, Shaoming Huang, Huizhu He, Albert W. H. Mau, and Liming Dai pp 10832–10833 DOI: 10.1021/ja992945q

Dynamic Kinetic Asymmetric Transformations of Conduritol B Tetracarboxylates:  An Asymmetric Synthesis of d-myo-Inositol 1,4,5-Trisphosphate Barry M. Trost, Daniel E. Patterson, and Erik J. Hembre pp 10834–10835 DOI: 10.1021/ja992960v Supporting Info

8-Methoxydeoxyguanosine as an Effective Precursor of 2-Aminoimidazolone, a Major Guanine Oxidation Product in One-Electron Oxidation of DNA Hisafumi Ikeda and Isao Saito pp 10836–10837 DOI: 10.1021/ja992020a Supporting Info

Reductive Cleavage of the N−N Bond:  Synthesis of Imidoiron(III) Cubanes Atul K. Verma and Sonny C. Lee pp 10838–10839 DOI: 10.1021/ja9919783 Supporting Info

The Inactivation of Histidine Ammonia-Lyase by l-Cysteine and Oxygen:  Modification of the Electrophilic Center Jason D. Galpin, Brian E. Ellis, and Martin E. Tanner pp 10840–10841 DOI: 10.1021/ja992729h Supporting Info

A Ruthenium-Catalyzed Alkylative Cycloetherification Barry M. Trost and Anthony B. Pinkerton pp 10842–10843 DOI: 10.1021/ja9929537 Supporting Info

Cholesterol Esterase Activity by in Vitro Selection of RNA against a Phosphate Transition-State Analogue Sung-Min Chun, Sunjoo Jeong, Jong-Man Kim, Byong-Oh Chong, Young-Keun Park, Hokoon Park, and Jaehoon Yu pp 10844–10845 DOI: 10.1021/ja991848u Supporting Info

A Molecular Staple for DNA:  Threading Bis-intercalating [Ru(phen)2dppz]2+ Dimer Björn Önfelt, Per Lincoln, and Bengt Nordén pp 10846–10847 DOI: 10.1021/ja991984z Supporting Info

Highly Stereoselective Synthesis of a Chiral Methyl Group by a Facially Controlled Sigmatropic [1,5]-Hydrogen Shift Christoph Dehnhardt, Matthew McDonald, Sungsook Lee, Heinz G. Floss, and Johann Mulzer pp 10848–10849 DOI: 10.1021/ja992498e Supporting Info

Palladium(0)-Catalyzed Cope Rearrangement of Acyclic 1,5-Dienes. Bis(π-allyl)palladium(II) Intermediate Hiroyuki Nakamura, Hideki Iwama, Masateru Ito, and Yoshinori Yamamoto pp 10850–10851 DOI: 10.1021/ja992117x Supporting Info

Synthesis and Characterization of a Hypervalent Tellurium Cation, Ph5Te+:  A Stable Nonclassical Onium Compound Mao Minoura, Takahiro Mukuda, Takao Sagami, and Kin-ya Akiba pp 10852–10853 DOI: 10.1021/ja992828v Supporting Info

Chemistry of Sequence-Dependent Remote Guanine Oxidation:  Photoreaction of Duplex DNA Containing Cyanobenzophenone-Substituted Uridine Kazuhiko Nakatani, Chikara Dohno, and Isao Saito pp 10854–10855 DOI: 10.1021/ja9920213 Supporting Info

Equilibria between α and β Isomers of Keggin Heteropolytungstates [J. Am. Chem. Soc. 1999, 121, 4608-4617]. Ira A. Weinstock, Jennifer J. Cowan, Elena M. G. Barbuzzi, Huadong Zeng, and Craig L. Hill p 10856 DOI: 10.1021/ja9955316

Metal Atom Synthesis of (η6-Toluene)(η2-ethene)iron(σ1-stannandiyls):  Unusual Iron(0) Complexes . [J. Am. Chem. Soc. 1999, 121, 1409−1410].  Jörg J. Schneider, Norbert Czap, Dieter Bläser, and Roland Boese p 10856 DOI: 10.1021/ja995538n

Issue 47

Long-Range Guanine Damage in Single-Stranded DNA:  Charge Transport through a Duplex Bridge and in a Single-Stranded Overhang Yongzhi Kan and Gary B. Schuster pp 10857–10864 DOI: 10.1021/ja992224r

Reinvestigation of the Isotope Effects for the Claisen and Aromatic Claisen Rearrangements:  The Nature of the Claisen Transition States Matthew P. Meyer, Albert J. DelMonte, and Daniel A. Singleton pp 10865–10874 DOI: 10.1021/ja992372h Supporting Info

New Applications of the n-Pentenyl Glycoside Method in the Synthesis and Immunoconjugation of Fucosyl GM1:  A Highly Tumor-Specific Antigen Associated with Small Cell Lung Carcinoma Jennifer R. Allen and Samuel J. Danishefsky pp 10875–10882 DOI: 10.1021/ja992594f Supporting Info

Ab Initio Simulation of Rotational Dynamics of Solvated Ammonium Ion in Water Filippo Brugé, Marco Bernasconi, and Michele Parrinello pp 10883–10888 DOI: 10.1021/ja990520y

Steroid−DNA Interactions Increasing Stability, Sequence-Selectivity, DNA/RNA Discrimination, and Hypochromicity of Oligonucleotide Duplexes Colleen F. Bleczinski and Clemens Richert pp 10889–10894 DOI: 10.1021/ja9920415 Supporting Info

Phosphine Dissociation Mediates C−H Cleavage of Fluoroarenes by OsH(C6H5)(CO)(PtBu2Me)2 Kenton B. Renkema, Ramon Bosque, William E. Streib, Feliu Maseras, Odile Eisenstein, and Kenneth G. Caulton pp 10895–10907 DOI: 10.1021/ja990523a Supporting Info

A Novel Tetrahedral Formally Zerovalent-Palladium Hydrido Complex Stabilized by Divalent Alkaline Earth Counterions Malin Olofsson-Mårtensson, Mikael Kritikos, and Dag Noréus pp 10908–10912 DOI: 10.1021/ja991047r Supporting Info

Oxidation of the Sulfide Ligands to SO42- in the Dinuclear Complex {RuCl[P(OMe)3]2}2(μ-S2)(μ-Cl)(μ-N2H4):  Synthesis and Characterization of {RuCl[P(OMe)3]2}2(μ-S2)(μ-Cl)(μ-N2H4)+HSO4-, {RuCl2[P(OMe)3]2}2(μ-S)(μ-N2H4), and {RuCl[P(OMe)3]2}2(μ-S2O5)(μ-N2H4) Kazuko Matsumoto, Tetsuya Koyama, and Yoshihiro Koide pp 10913–10923 DOI: 10.1021/ja991410u Supporting Info

Cobaloxime π-Cation Steric and Stereoelectronic Effects:  The Amazing Effect of a Single Methyl Group Adjacent to the Site of Reaction Yoshiyuki Nishikubo and Bruce P. Branchaud pp 10924–10927 DOI: 10.1021/ja993556z

Oxidation of Methanol on 2nd and 3rd Row Group VIII Transition Metals (Pt, Ir, Os, Pd, Rh, and Ru):  Application to Direct Methanol Fuel Cells Jeremy Kua and William A. Goddard III pp 10928–10941 DOI: 10.1021/ja9844074 Supporting Info

Preresonance Raman Single-Crystal Measurements of Electronic Transition Moment Orientations in N-Acetylglycinamide Vasil Pajcini and Sanford A. Asher pp 10942–10954 DOI: 10.1021/ja990429u

Theozymes for Intramolecular Ring Cyclization Reactions James M. Coxon and Aaron J. Thorpe pp 10955–10957 DOI: 10.1021/ja991430w Supporting Info

Carbon Rings Snapping Francesco Zerbetto pp 10958–10961 DOI: 10.1021/ja991515x

Binding of 15N-Labeled Isoniazid to KatG and KatG(S315T):  Use of Two-Spin [zz]-Order Relaxation Rate for 15N−Fe Distance Determination Smilja Todorović, Nenad Juranić, Slobodan Macura, and Frank Rusnak pp 10962–10966 DOI: 10.1021/ja9918674

CryptoCope Rearrangement of 1,3-Dicyano-5-phenyl-4,4-d2-hexa-2,5-diene. Chameleonic or Centauric? W. von E. Doering and Yonghui Wang pp 10967–10975 DOI: 10.1021/ja992137z Supporting Info

Solvent-Mediated Electronic Coupling:  The Role of Solvent Placement I. Read, A. Napper, R. Kaplan, M. B. Zimmt, and D. H. Waldeck pp 10976–10986 DOI: 10.1021/ja992281k

Through-Bond Carbon−Carbon Connectivities in Disordered Solids by NMR Anne Lesage, Michel Bardet, and Lyndon Emsley pp 10987–10993 DOI: 10.1021/ja992272b

Spectral Simplification in Vibrational Spectroscopy Using Doubly Vibrationally Enhanced Infrared Four Wave Mixing Wei Zhao and John C. Wright pp 10994–10998 DOI: 10.1021/ja9926414

Explanation of the Observed Dearth of Three-Coordinated Al on γ-Alumina Surfaces Karl Sohlberg, Stephen J. Pennycook, and Sokrates T. Pantelides pp 10999–11001 DOI: 10.1021/ja9926358

Complete Conversion of Racemic Enol Ester Epoxides into Optically Active α-Acyloxy Ketones Xiaoming Feng, Lianhe Shu, and Yian Shi pp 11002–11003 DOI: 10.1021/ja9928982 Supporting Info

In Vivo Electron Spin−Echo Envelope Modulation (ESEEM) Spectroscopy:  First Observation of Vanadyl Coordination to Phosphate in Bone Sergei A. Dikanov, Barry D. Liboiron, Katherine H. Thompson, Erika Vera, Violet G. Yuen, John H. McNeill, and Chris Orvig pp 11004–11005 DOI: 10.1021/ja991567m

Crystal Structure and Reversible O2-Binding of a Room Temperature Stable μ-η2:η2-Peroxodicopper(II) Complex of a Sterically Hindered Hexapyridine Dinucleating Ligand Masahito Kodera, Kou Katayama, Yoshimitsu Tachi, Koji Kano, Shun Hirota, Shuhei Fujinami, and Masatatu Suzuki pp 11006–11007 DOI: 10.1021/ja992295q Supporting Info

Optically Active Polycarbonates:  Asymmetric Alternating Copolymerization of Cyclohexene Oxide and Carbon Dioxide Kyoko Nozaki, Koji Nakano, and Tamejiro Hiyama pp 11008–11009 DOI: 10.1021/ja992433b Supporting Info

Palladium-Catalyzed Arylation of tert-Cyclobutanols with Aryl Bromide via C−C Bond Cleavage:  New Approach for the γ-Arylated Ketones Takahiro Nishimura and Sakae Uemura pp 11010–11011 DOI: 10.1021/ja993023q Supporting Info

Transfer of Chirality in Radical Cyclizations. Cyclization of o-Haloacrylanilides to Oxindoles with Transfer of Axial Chirality to a Newly Formed Stereocenter Dennis P. Curran, Weidong Liu, and Christine Hiu-Tung Chen pp 11012–11013 DOI: 10.1021/ja993329x Supporting Info

Quantitative and Spontaneous Formation of a Doubly Interlocking [2]Catenane Using Copper(I) and Palladium(II) as Templating and Assembling Centers Fumiaki Ibukuro, Makoto Fujita, Kentaro Yamaguchi, and Jean-Pierre Sauvage pp 11014–11015 DOI: 10.1021/ja992391r Supporting Info

Photoinduced Charge Migration in the Picosecond Regime for Thianthrene-Linked Acridinium Ions Guilford Jones, II, Ding-Xue Yan, David J. Gosztola, Scott R. Greenfield, and Michael R. Wasielewski pp 11016–11017 DOI: 10.1021/ja9927319

Thermal Stereomutations and Vinylcyclopropane-to- Cyclopentene Rearrangement of 2-Methylene-3-spiro- cyclopropanebicyclo[2.2.1]heptane John E. Baldwin and Rajesh Shukla pp 11018–11019 DOI: 10.1021/ja992603k Supporting Info

Calix[4]pyrroles Containing Deep Cavities and Fixed Walls. Synthesis, Structural Studies, and Anion Binding Properties of the Isomeric Products Derived from the Condensation of p-Hydroxyacetophenone and Pyrrole Pavel Anzenbacher, Jr., Karolina Jursíková, Vincent M. Lynch, Philip A. Gale, and Jonathan L. Sessler pp 11020–11021 DOI: 10.1021/ja993195n Supporting Info

Does the Active Site Arginine Change the Nature of the Transition State for Alkaline Phosphatase-Catalyzed Phosphoryl Transfer? Patrick J. O'Brien and Daniel Herschlag pp 11022–11023 DOI: 10.1021/ja9932582

Evidence for Two Competing Mechanisms for n-Butane Oxidation Catalyzed by Vanadium Phosphates Bin Chen and Eric J. Munson pp 11024–11025 DOI: 10.1021/ja9929180

Quantum Chemical Analysis of para-Substitution Effects on the Electronic Structure of Phenylnitrenium Ions in the Gas Phase and Aqueous Solution [J. Am. Chem. Soc. 1998, 120, 11778−11783]. Michael B. Sullivan, Kenneth Brown, Christopher J. Cramer, and Donald G. Truhlar p 11026 DOI: 10.1021/ja9955363

Experimental and Theoretical Spin Density in a Ferromagnetic Molecular Complex Presenting Interheteromolecular Hydrogen Bonds  [J. Am. Chem. Soc. 1999, 121, 10126-10133]. Yves Pontillon, Takeyuki Akita, Andre Grand, Keiji Kobayashi, Eddy Lelievre-Berna, Jacques Pécaut, Eric Ressouche, and Jacques Schweizer p 11026 DOI: 10.1021/ja995537v

Issue 48

Radical Cation Transport and Reaction in RNA/DNA Hybrid Duplexes:  Effect of Global Structure on Reactivity Valerie Sartor, Paul T. Henderson, and Gary B. Schuster pp 11027–11033 DOI: 10.1021/ja9925406 Supporting Info

Rhodospirillum rubrum CO-Dehydrogenase. Part 1. Spectroscopic Studies of CODH Variant C531A Indicate the Presence of a Binuclear [FeNi] Cluster Christopher R. Staples, Jongyun Heo, Nathan J. Spangler, Robert L. Kerby, Gary P. Roberts, and Paul W. Ludden pp 11034–11044 DOI: 10.1021/ja990396i

Rhodospirillum rubrum CO-Dehydrogenase. Part 2. Spectroscopic Investigation and Assignment of Spin−Spin Coupling Signals Jongyun Heo, Christopher R. Staples, Joshua Telser, and Paul W. Ludden pp 11045–11057 DOI: 10.1021/ja990397a

Inactivation of the urdGT2 Gene, Which Encodes a Glycosyltransferase Responsible for the C-Glycosyltransfer of Activated d-Olivose, Leads to Formation of the Novel Urdamycins I, J, and K Eva Künzel, Bettina Faust, Carsten Oelkers, Ulrike Weissbach, Daniel W. Bearden, Gabriele Weitnauer, Lucia Westrich, Andreas Bechthold, and Jürgen Rohr pp 11058–11062 DOI: 10.1021/ja9915347 Supporting Info

Conformational and Thermodynamic Properties of Parallel Intramolecular Triple Helices Containing a DNA, RNA, or 2‘-OMeDNA Third Strand Juan Luis Asensio, Reuben Carr, Tom Brown, and Andrew N. Lane pp 11063–11070 DOI: 10.1021/ja991949s Supporting Info

First Interchain Peptide Interaction Detected by ESR in Fully Synthetic, Template-Assisted, Two-Helix Bundles Alessandra Polese, D. Joe Anderson, Glenn Millhauser, Fernando Formaggio, Marco Crisma, Fernando Marchiori, and Claudio Toniolo pp 11071–11078 DOI: 10.1021/ja992079h Supporting Info

“Synapsable” DNA Double Helices:  Self-Selective Modules for Assembling DNA Superstructures Richard P. Fahlman and Dipankar Sen pp 11079–11085 DOI: 10.1021/ja992574d

Reductive Elimination of α-Phosphinozirconocene Iminoacyl Complexes:  First Evidence of Neutral η1-Imine Zirconocene. Synthesis of Bi- or Tricyclic β-Phosphino Imines Victorio Cadierno, Maria Zablocka, Bruno Donnadieu, Alain Igau, Jean-Pierre Majoral, and Aleksandra Skowronska pp 11086–11092 DOI: 10.1021/ja990502g Supporting Info

Carbon−Carbon Bond Formation Reaction of Zirconacyclopentadienes with Alkynes in the Presence of Ni(II)-complexes Tamotsu Takahashi, Fu-Yu Tsai, Yanzhong Li, Kiyohiko Nakajima, and Martin Kotora pp 11093–11100 DOI: 10.1021/ja990750c Supporting Info

Access to Well-Defined Heterogeneous Catalytic Systems via Ring-Opening Metathesis Polymerization (ROMP):  Applications in Palladium(II)-Mediated Coupling Reactions Michael R. Buchmeiser and K. Wurst pp 11101–11107 DOI: 10.1021/ja991501r

Ring Closing Alkyne Metathesis. Comparative Investigation of Two Different Catalyst Systems and Application to the Stereoselective Synthesis of Olfactory Lactones, Azamacrolides, and the Macrocyclic Perimeter of the Marine Alkaloid Nakadomarin A Alois Fürstner, Oliver Guth, Antonio Rumbo, and Günter Seidel pp 11108–11113 DOI: 10.1021/ja992074k Supporting Info

Hemi-Labile Ligands in Organolithium Chemistry:  Rate Studies of the LDA-Mediated α- and β-Metalations of Epoxides Antonio Ramírez and David B. Collum pp 11114–11121 DOI: 10.1021/ja992166+ Supporting Info

Crystal-Lattice Controlled Photopolymerization of Di(benzylammonium) (Z,Z)-Muconates Akikazu Matsumoto, Toru Odani, Masaaki Chikada, Kazuki Sada, and Mikiji Miyata pp 11122–11129 DOI: 10.1021/ja992558g Supporting Info

Preparation and Characterization of Nonpolar Fluorinated Carbosilane Dendrimers by APcI Mass Spectrometry and Small-Angle X-ray Scattering Bamidele A. Omotowa, Keith D. Keefer, Robert L. Kirchmeier, and Jean'ne M. Shreeve pp 11130–11138 DOI: 10.1021/ja992794r

A Stereodivergent Approach to (−)-α-Kainic Acid and (+)-α-Allokainic Acid Utilizing the Complementarity of Alkyne and Allene Cyclizations Maxim V. Chevliakov and John Montgomery pp 11139–11143 DOI: 10.1021/ja993069j Supporting Info

Two Crystalline Forms of Low-Spin [Fe(TMP)(5-MeHIm)2]ClO4. Relative Parallel and Perpendicular Axial Ligand Orientations Orde Q. Munro, Judith A. Serth-Guzzo, Ilona Turowska-Tyrk, K. Mohanrao, Tatjana Kh. Shokhireva, F. Ann Walker, Peter G. Debrunner, and W. Robert Scheidt pp 11144–11155 DOI: 10.1021/ja991551w Supporting Info

Transfer of Chiral Information through Molecular Assembly Ronald K. Castellano, Colin Nuckolls, and Julius Rebek, Jr. pp 11156–11163 DOI: 10.1021/ja993165k Supporting Info

Slow Proton Exchange in Aqueous Solution. Consequences of Protonation and Hydration within the Central Cavity of Preyssler Anion Derivatives, [|M(H2O)|P5W30O110]n- Kee-Chan Kim, Michael T. Pope, Gennaro J. Gama, and Michael H. Dickman pp 11164–11170 DOI: 10.1021/ja992105b Supporting Info

Application of Trajectory Surface Hopping to the Study of a Symmetry-Forbidden Intramolecular Hole Transfer Process in Bismethyleneadamantane Cation Radical Garth A. Jones, Barry K. Carpenter, and Michael N. Paddon-Row pp 11171–11178 DOI: 10.1021/ja9917823

Role of Ground State Structure in Photoinduced Tautomerization in Bifunctional Proton Donor−Acceptor Molecules:  1H-Pyrrolo[3,2-h]quinoline and Related Compounds A. Kyrychenko, J. Herbich, M. Izydorzak, F. Wu, R. P. Thummel, and J. Waluk pp 11179–11188 DOI: 10.1021/ja991817z

Theoretical Study of Peptides Formed by Aminoxy Acids Yun-Dong Wu, De-Ping Wang, Kyle W. K. Chan, and Dan Yang pp 11189–11196 DOI: 10.1021/ja9918019 Supporting Info

Role of Interhelical H-Bonds (Wα14−Tα67 and Wβ15−Sβ72) in the Hemoglobin Allosteric Reaction Path Evaluated by UV Resonance Raman Spectroscopy of Site-Mutants Daojing Wang, Xiaojie Zhao, Tong-Jian Shen, Chien Ho, and Thomas G. Spiro pp 11197–11203 DOI: 10.1021/ja992228w

Gas-Phase Ion Chemistry of Borazine, an Inorganic Analogue of Benzene Barbara Chiavarino, Maria Elisa Crestoni, Annito Di Marzio, Simonetta Fornarini, and Marzio Rosi pp 11204–11210 DOI: 10.1021/ja992220m

Structural and Electronic Properties of Fluorinated and Chlorinated Polyacetylene Michael Springborg pp 11211–11216 DOI: 10.1021/ja9923181

On the Relative Acidities of Organic Compounds:  Electronic and Geometric Relaxation Energies Fredrik Bökman pp 11217–11222 DOI: 10.1021/ja992759k Supporting Info

Highly Chemo-, Regio-, and Stereoselective Carbon−Carbon Bond Formation via Migratory Insertion Reaction of Zirconacyclopentene Derivatives and Alkynyl Metals Containing Li and Mg. Novel Synthesis of 1,5-Dienes and 1,5-Enynes Yves Dumond and Ei-ichi Negishi pp 11223–11224 DOI: 10.1021/ja990266+ Supporting Info

Identification of Two Distinct Structural Transitions in the Dissociation of Peptides from Class II Proteins of the Major Histocompatibility Complex Benjamin J. McFarland, Andrea J. Sant, and Craig Beeson pp 11225–11226 DOI: 10.1021/ja9917767

Magnetic Ordering in the Ammoniated Fulleride (ND3)K3C60 Kosmas Prassides, Serena Margadonna, Denis Arcon, Alexandros Lappas, Hideo Shimoda, and Yoshihiro Iwasa pp 11227–11228 DOI: 10.1021/ja992931k

Catalytic Asymmetric Dihydroxylation of Olefins Using a Recoverable and Reusable Polymer-Supported Osmium Catalyst Shū Kobayashi, Masahiro Endo, and Satoshi Nagayama pp 11229–11230 DOI: 10.1021/ja993099m Supporting Info

Reducible Nanosize Macrocycles Marcel Mayor and Jean-Marie Lehn pp 11231–11232 DOI: 10.1021/ja992617q Supporting Info

A Dramatic Steric Effect on the Rate of Migratory CO Insertion on Rhodium Luca Gonsalvi, Harry Adams, Glenn J. Sunley, Evert Ditzel, and Anthony Haynes pp 11233–11234 DOI: 10.1021/ja992891k Supporting Info

d- and l-Quartz-Promoted Highly Enantioselective Synthesis of a Chiral Organic Compound Kenso Soai, Shunji Osanai, Kousuke Kadowaki, Shigeru Yonekubo, Takanori Shibata, and Itaru Sato pp 11235–11236 DOI: 10.1021/ja993128t

An Unusual Isotope Effect in the Reactions of the Naphthylcarbenes Fengmei Zheng, Michael L. McKee, and Philip B. Shevlin pp 11237–11238 DOI: 10.1021/ja9917013

New Dodecameric n-Propyllithium/Lithium n-Propoxide Mixed Aggregate. Evidence for the First Cuboctahedral Lithium Aggregate Ruthanne D. Thomas and He Huang pp 11239–11240 DOI: 10.1021/ja992352f

Spectroscopic Observation of a FixL Switching Intermediate Kenton R. Rodgers, Gudrun S. Lukat-Rodgers, and Lei Tang pp 11241–11242 DOI: 10.1021/ja991916c

Pressure-Induced Superconducting Transition of λ-(BETS)2FeCl4 with π−d Coupled Antiferromagnetic Insulating Ground State at Ambient Pressure [BETS = Bis(ethylenedithio)tetraselenafulvalene] Hisashi Tanaka, Takafumi Adachi, Emiko Ojima, Hideki Fujiwara, Kiyonori Kato, and Hayao KobayashiAkiko KobayashiPatrick Cassoux pp 11243–11244 DOI: 10.1021/ja992930s

Catalytic in Situ Generation of Zn(II)-Alkynilides under Mild Conditions:  A Novel CN Addition Process Utilizing Terminal Acetylenes Doug E. Frantz, Roger Fässler, and Erick M. Carreira pp 11245–11246 DOI: 10.1021/ja993074n Supporting Info

Environment-Sensitive Stabilization of Core−Shell Structured Polyion Complex Micelle by Reversible Cross-Linking of the Core through Disulfide Bond Y. Kakizawa, A. Harada, and K. Kataoka pp 11247–11248 DOI: 10.1021/ja993057y Supporting Info

A Novel Octupolar Metal−Organic NLO Material Based on a Chiral 2D Coordination Network Wenbin Lin, Zhiyong Wang, and Ling Ma pp 11249–11250 DOI: 10.1021/ja9928327 Supporting Info

Liquid Hydrogen Fluoride with an Excess Proton:  Ab Initio Molecular Dynamics Study of a Superacid Dongsup Kim and Michael L. Klein pp 11251–11252 DOI: 10.1021/ja993098u

Kinetically Stable Caviplexes in Water Takeharu Haino, Dmitry M. Rudkevich, and Julius Rebek, Jr. pp 11253–11254 DOI: 10.1021/ja993365w Supporting Info

Stabilization of Cerium(IV) in the Presence of an Iodide Ligand:  Remarkable Effects of Lewis Acidity on Valence State Colin Morton, Nathaniel W. Alcock, Martin R. Lees, Ian J. Munslow, Christopher J. Sanders, and Peter Scott pp 11255–11256 DOI: 10.1021/ja9920563 Supporting Info

Synthesis of [28]Heptaphyrin(1.0.0.1.0.0.0) and [32]Octaphyrin(1.0.0.0.1.0.0.0) via a Directed Oxidative Ring Closure:  The First Expanded Porphyrins Containing a Quaterpyrrole Subunit Jonathan L. Sessler, Daniel Seidel, and Vincent Lynch pp 11257–11258 DOI: 10.1021/ja992934x Supporting Info

Vibrational Circular Dichroism Is an Incisive Structural Probe:  Ion-Induced Structural Changes in Gramicidin D Chunxia Zhao and Prasad L. Polavarapu pp 11259–11260 DOI: 10.1021/ja992778u

Issue 49

Efficient and Practical Synthesis of a Potent Anti-MRSA β-Methylcarbapenem Containing a Releasable Side Chain Guy R. Humphrey, Ross A. Miller, Philip J. Pye, Kai Rossen, Robert A. Reamer, Ashok Maliakal, Scott S. Ceglia, Edward J. J. Grabowski, R. P. Volante, and Paul J. Reider pp 11261–11266 DOI: 10.1021/ja992486t

External Transesterification of Ribonucleotide Esters Naturally Catalyzed by Large Ribozymes Christo D. Roussev, Gabriela D. Ivanova, Emilia K. Bratovanova, Nikolay G. Vassilev, and Dimiter D. Petkov pp 11267–11272 DOI: 10.1021/ja990491r

Cyclomarins A−C, New Antiinflammatory Cyclic Peptides Produced by a Marine Bacterium (Streptomyces sp.) Matthew K. Renner, Ya-Ching Shen, Xing-Chung Cheng, Paul R. Jensen, Walter Frankmoelle, Christopher A. Kauffman, William Fenical, Emil Lobkovsky, and Jon Clardy pp 11273–11276 DOI: 10.1021/ja992482o Supporting Info

Bis(4-nitrophenyl)tetrafluorosulfuranes:  Synthesis, Isomerization and Structural Characterization Peer Kirsch, Matthias Bremer, Annette Kirsch, and Jens Osterodt pp 11277–11280 DOI: 10.1021/ja9915495 Supporting Info

The “Picrate Effect” on Extraction Selectivities of Aromatic Group-Containing Crown Ethers for Alkali Metal Cations1 Galina G. Talanova, Nazar S. A. Elkarim, Vladimir S. Talanov, Robert E. Hanes, Jr., Hong-Sik Hwang, Richard A. Bartsch, and Robin D. Rogers pp 11281–11290 DOI: 10.1021/ja9915899 Supporting Info

Measuring the Temperature Width of a First-Order Single Crystal to Single Crystal Phase Transition Using Solid-State NMR:  Application to the Polymorphism of 2-(2,4-Dinitrobenzyl)-3-methylpyridine A. Schmidt, S. Kababya, M. Appel, S. Khatib, M. Botoshansky, and Y. Eichen pp 11291–11299 DOI: 10.1021/ja991204m

Using Liquid Crystals To Image Reactants and Products of Acid−Base Reactions on Surfaces with Micrometer Resolution Rahul R. Shah and Nicholas L. Abbott pp 11300–11310 DOI: 10.1021/ja9844837

Cycloaddition Reactions of 1,3-Cyclohexadiene on the Silicon(001) Surface Cheol Ho Choi and Mark S. Gordon pp 11311–11317 DOI: 10.1021/ja9914285

Conformational Behavior of Aza-C-Glycosides:  Experimental Demonstration of the Relative Role of the exo-anomeric Effect and 1,3-Type Interactions in Controlling the Conformation of Regular Glycosides Juan Luis Asensio, F. Javier Cañada, Alicia García-Herrero, María T. Murillo, Alfonso Fernández-Mayoralas, Brian A. Johns, Janusz Kozak, Zhenzyu Zhu, Carl R. Johnson, and Jesús Jiménez-Barbero pp 11318–11329 DOI: 10.1021/ja9922734 Supporting Info

Flash Photolytic Investigation of 4-Diazoisothiochroman-3-one in Aqueous Solution:  Observation of a Short-Lived Carboxylic Acid Enol Y. Chiang, E. A. Jefferson, A. J. Kresge, and V. V. Popik pp 11330–11335 DOI: 10.1021/ja991660a Supporting Info

Synthesis of Stable 2-Silanaphthalenes and Their Aromaticity Keiji Wakita, Norihiro Tokitoh, Renji Okazaki, Shigeru Nagase, Paul von Ragué Schleyer, and Haijun Jiao pp 11336–11344 DOI: 10.1021/ja992024f Supporting Info

The Role of Template in the Enzymatic Synthesis of Conducting Polyaniline Wei Liu, Ashok L. Cholli, Ramaswamy Nagarajan, Jayant Kumar, Sukant Tripathy, Ferdinando F. Bruno, and Lynne Samuelson pp 11345–11355 DOI: 10.1021/ja9926156

β-Secondary Kinetic Isotope Effects in the Clavaminate Synthase-Catalyzed Oxidative Cyclization of Proclavaminic Acid and in Related Azetidinone Model Reactions Dirk Iwata-Reuyl, Amit Basak, and Craig A. Townsend pp 11356–11368 DOI: 10.1021/ja992649d

Solid Phase Synthesis of Peptide C-Terminal Thioesters by Fmoc/t-Bu Chemistry Raffaele Ingenito, Elisabetta Bianchi, Daniela Fattori, and Antonello Pessi pp 11369–11374 DOI: 10.1021/ja992668n

Total Synthesis and Comparative Evaluation of Luzopeptin A−C and Quinoxapeptin A−C Dale L. Boger, Mark W. Ledeboer, Masaharu Kume, Mark Searcey, and Qing Jin pp 11375–11383 DOI: 10.1021/ja993019e Supporting Info

Physical Organic Chemistry of Transition Metal Carbene Complexes. 17.1 Kinetics of the Reactions of (Arylthioalkoxycarbene)pentacarbonyl Complexes of Chromium(0) and Tungsten(0) with Thiolate Ions in Aqueous Acetonitrile:  pKa Values of the Metal-Protonated Tetrahedral Adducts Formed between Carbene Complexes and Thiolate Ion Claude F. Bernasconi and Mahammad Ali pp 11384–11394 DOI: 10.1021/ja992741+

Asymmetric Intramolecular Radical Vinylation Using Enantiopure Sulfoxides as Temporary Chiral Auxiliaries Bénédicte Delouvrié, Louis Fensterbank, Emmanuel Lacôte, and Max Malacria pp 11395–11401 DOI: 10.1021/ja992818u Supporting Info

Mechanistic and Theoretical Analysis of the Oxidative Addition of H2 to Six-Coordinate Molybdenum and Tungsten Complexes M(PMe3)4X2 (M = Mo, W; X = F, Cl, Br, I):  An Inverse Equilibrium Isotope Effect and an Unprecedented Halide Dependence Tony Hascall, Daniel Rabinovich, Vincent J. Murphy, Michael D. Beachy, Richard A. Friesner, and Gerard Parkin pp 11402–11417 DOI: 10.1021/ja9920009 Supporting Info

Ground and Excited State Properties and Vibronic Coupling Analysis of the Creutz−Taube Ion, [(NH3)5Ru-pyrazine-Ru(NH3)5]5+, Using DFT Alessandro Bencini, Ilaria Ciofini, Claude A. Daul, and Alessandro Ferretti pp 11418–11424 DOI: 10.1021/ja9920258 Supporting Info

Porphyrin Receptors for Amines, Amino Acids, and Oligopeptides in Water Tadashi Mizutani, Kenji Wada, and Susumu Kitagawa pp 11425–11431 DOI: 10.1021/ja9922126

Relative Hydride, Proton, and Hydrogen Atom Transfer Abilities of [HM(diphosphine)2]PF6 Complexes (M = Pt, Ni) Douglas E. Berning, Bruce C. Noll, and Daniel L. DuBois pp 11432–11447 DOI: 10.1021/ja991888y Supporting Info

Aqueous Coordination Chemistry of Quinoline-Based Fluorescence Probes for the Biological Chemistry of Zinc Christoph J. Fahrni and Thomas V. O'Halloran pp 11448–11458 DOI: 10.1021/ja992709f

A Novel Aqueous Process for Preparation of Crystal Form-Controlled and Highly Crystalline BiVO4 Powder from Layered Vanadates at Room Temperature and Its Photocatalytic and Photophysical Properties Akihiko Kudo, Keiko Omori, and Hideki Kato pp 11459–11467 DOI: 10.1021/ja992541y

Proteins in Vacuo:  Relaxation of Unfolded Lysozyme Leads to Folding into Native and Non-Native Structures. A Molecular Dynamics Study I. Velázquez, C. T. Reimann, and O. Tapia pp 11468–11477 DOI: 10.1021/ja990911c

Theoretical Studies of the Additions of Germylenes to Ethylene Ming-Der Su and San-Yan Chu pp 11478–11485 DOI: 10.1021/ja990954t Supporting Info

Protonic Conduction in Imidazole:  A Solid-State 15N NMR Study Benjamin S. Hickman, Mark Mascal, Jeremy J. Titman, and Ian G. Wood pp 11486–11490 DOI: 10.1021/ja991401l

Lewis Acid Mediated Hydrosilylation on Porous Silicon Surfaces Jillian M. Buriak, Michael P. Stewart, Todd W. Geders, Matthew J. Allen, Hee Cheul Choi, Jay Smith, Daniel Raftery, and Leigh T. Canham pp 11491–11502 DOI: 10.1021/ja992188w Supporting Info

Lysozyme Aggregation and Solution Properties Studied Using PGSE NMR Diffusion Measurements William S. Price, Fumihiko Tsuchiya, and Yoji Arata pp 11503–11512 DOI: 10.1021/ja992265n

Controlled Functionalization and Multistep Chemical Manipulation of Covalently Modified Si(111) Surfaces1 Rabah Boukherroub and Danial D. M. Wayner pp 11513–11515 DOI: 10.1021/ja992032w Supporting Info

Aqueous Ionization and Electron-Donating Properties of Dinucleotides:  Sequence-Specific Electronic Effects on DNA Alkylation Nancy S. Kim, Qiqing Zhu, and Pierre R. LeBreton* pp 11516–11530 DOI: 10.1021/ja992065b Supporting Info

The Vinylcyclopropane Radical Cation Rearrangement and Related Reactions on the C5H8•+ Hypersurface Jonas Oxgaard and Olaf Wiest pp 11531–11537 DOI: 10.1021/ja9923639 Supporting Info

Cooperative Self-Assembly of Double-Strand Conjugated Porphyrin Ladders Peter N. Taylor and Harry L. Anderson pp 11538–11545 DOI: 10.1021/ja992821d Supporting Info

Bond Dissociation Energies of the N−H Bond and Rate Constants for the Reaction with Alkyl, Alkoxyl, and Peroxyl Radicals of Phenothiazines and Related Compounds Marco Lucarini, Pamela Pedrielli, Gian Franco Pedulli, Luca Valgimigli, Didier Gigmes, and Paul Tordo pp 11546–11553 DOI: 10.1021/ja992904u

Elucidation of Polymorph Mixtures Using Solid-State 13C CP/MAS NMR Spectroscopy and Direct Exponential Curve Resolution Algorithm Nicholas Zumbulyadis, Brian Antalek, Willem Windig, Ray P. Scaringe, Anne M. Lanzafame, Thomas Blanton, and Margaret Helber pp 11554–11557 DOI: 10.1021/ja9929786

Retention of the Cis Proline Conformation in Tripeptide Fragments of Bovine Pancreatic Ribonuclease A Containing a Non-natural Proline Analogue, 5,5-Dimethylproline Seong Soo A. An, Cathy C. Lester, Jin-Lin Peng, Yue-Jin Li, David M. Rothwarf, Ervin Welker, Theodore W. Thannhauser, L. S. Zhang, James P. Tam, and Harold A. Scheraga pp 11558–11566 DOI: 10.1021/ja9930317

Matrix Infrared Spectra of the Osmium and Ruthenium Dinitride Molecules. Evidence for Direct Insertion of Osmium into the Dinitrogen Bond at Cryogenic Temperatures Angelo Citra and Lester Andrews pp 11567–11568 DOI: 10.1021/ja993211g

Enantioselective Discrimination in the Intramolecular Quenching of an Excited Aromatic Ketone by a Ground-State Phenol Miguel A. Miranda, Agustin Lahoz, Ramón Martínez-Máñez, Francisco Boscá, José V. Castell, and Julia Pérez-Prieto pp 11569–11570 DOI: 10.1021/ja990823s Supporting Info

Novel Iron Porphyrin−Alkanethiolate Complex with Intramolecular NH···S Hydrogen Bond:  Synthesis, Spectroscopy, and Reactivity Noriyuki Suzuki, Tsunehiko Higuchi, Yasuteru Urano, Kazuya Kikuchi, Hidehiro Uekusa, Yuji Ohashi, Takeshi Uchida, Teizo Kitagawa, and Tetsuo Nagano pp 11571–11572 DOI: 10.1021/ja992511v Supporting Info

Condensative Chain Polymerization in Solid−Liquid Phase. Synthesis of Polyesters with a Defined Molecular Weight and a Narrow Molecular Weight Distribution by Polycondensation Tsutomu Yokozawa and Hideto Suzuki pp 11573–11574 DOI: 10.1021/ja993224u Supporting Info

1H−15N HMQC for the Identification of Metal-Bound Histidines in 113Cd-Substituted Bacillus cereus Zinc β-Lactamase Christian Damblon, Christelle Prosperi, Lu-Yun Lian, Igor Barsukov, Raquel Paul Soto, Moreno Galleni, Jean-Marie Frère, and Gordon C. K. Roberts pp 11575–11576 DOI: 10.1021/ja992896h

NMR-Based Quantification of β-Sheet Populations in Aqueous Solution through Use of Reference Peptides for the Folded and Unfolded States Faisal A. Syud, Juan F. Espinosa, and Samuel H. Gellman pp 11577–11578 DOI: 10.1021/ja992733t Supporting Info

A Caged Ligatable DNA Strand Break Kaijiang Zhang and John-Stephen Taylor pp 11579–11580 DOI: 10.1021/ja991300n Supporting Info

Laser Trapping of an Individual DNA Molecule Folded Using Various Condensing Agents Yukiko Matsuzawa, Ken Hirano, Kohei Mori, Shinji Katsura, Kenichi Yoshikawa, and Akira Mizuno pp 11581–11582 DOI: 10.1021/ja993038o

Single-Site Catalysts for Ring-Opening Polymerization:  Synthesis of Heterotactic Poly(lactic acid) from rac-Lactide Ming Cheng, Athula B. Attygalle, Emil B. Lobkovsky, and Geoffrey W. Coates pp 11583–11584 DOI: 10.1021/ja992678o Supporting Info

Efforts toward Expansion of the Genetic Alphabet:  DNA Polymerase Recognition of a Highly Stable, Self-Pairing Hydrophobic Base Dustin L. McMinn, Anthony K. Ogawa, Yiqin Wu, Jianquan Liu, Peter G. Schultz, and Floyd E. Romesberg pp 11585–11586 DOI: 10.1021/ja9925150 Supporting Info

Synthesis of Unsymmetrically Substituted Cyclotrigermenes and the First Example of Cis Configuration around the GeGe Double Bond Akira Sekiguchi, Norihisa Fukaya, and Masaaki IchinoheNozomi Takagi and Shigeru Nagase pp 11587–11588 DOI: 10.1021/ja9923080 Supporting Info

Transverse 13C Relaxation of CHD2 Methyl Isotopmers To Detect Slow Conformational Changes of Protein Side Chains Rieko Ishima, John M. Louis, and Dennis A. Torchia pp 11589–11590 DOI: 10.1021/ja992836b

Rhodium-Catalyzed Asymmetric 1,4-Addition to 1-Alkenylphosphonates Tamio Hayashi, Taichi Senda, Yoshiaki Takaya, and Masamichi Ogasawara pp 11591–11592 DOI: 10.1021/ja993184u Supporting Info

A Convenient Method of Preparing High Specific Activity Technetium Complexes Using Thiol-Containing Chelators Adsorbed on Gold Alfred Pollak, David G. Roe, Catherine M. Pollock, Linda F. L. Lu, and John R. Thornback pp 11593–11594 DOI: 10.1021/ja9932941 Supporting Info

A New Nonhydrolytic Single-Precursor Approach to Surfactant-Capped Nanocrystals of Transition Metal Oxides Jörg Rockenberger, Erik C. Scher, and A. Paul Alivisatos pp 11595–11596 DOI: 10.1021/ja993280v Supporting Info

Interaction of Sugar and Anion in Water via Hydrogen Bonding:  Chain-Length Dependent Agglutination of Oligosaccharide Clusters Induced by Multivalent Anion Binding Osamu Hayashida, Masaki Kato, Kazuyuki Akagi, and Yasuhiro Aoyama pp 11597–11598 DOI: 10.1021/ja992876f

Photodynamics of a Constrained Parachute-Shaped Fullerene−Porphyrin Dyad David I. Schuster, Peng Cheng, Stephen R. Wilson, Valentin Prokhorenko, Martin Katterle, Alfred R. Holzwarth, Silvia E. Braslavsky, Gudrun Klihm, René M. Williams, and Chuping Luo pp 11599–11600 DOI: 10.1021/ja992127y

New Conversion Reaction of an Aurivillius Phase into the Protonated Form of the Layered Perovskite by the Selective Leaching of the Bismuth Oxide Sheet Wataru Sugimoto, Masashi Shirata, Yoshiyuki Sugahara, and Kazuyuki Kuroda pp 11601–11602 DOI: 10.1021/ja9927265

Tandem Catalytic Asymmetric Ring-Opening Metathesis/Cross Metathesis Daniel S. La, J. Gair Ford, Elizabeth S. Sattely, Peter J. Bonitatebus, Richard R. Schrock, and Amir H. Hoveyda pp 11603–11604 DOI: 10.1021/ja9931832 Supporting Info

Reactivity of Cationic Organoaluminum Aminotroponiminate Compounds with Unsaturated Substrates. Formation of Dinuclear Dicationic Aluminum Complexes Andrey V. Korolev, Ilia A. Guzei, and Richard F. Jordan pp 11605–11606 DOI: 10.1021/ja992599c Supporting Info

Issue 50

Radical Cation Transport and Reaction in Triplex DNA:  Long-Range Guanine Damage Yongzhi Kan and Gary B. Schuster pp 11607–11614 DOI: 10.1021/ja992712z

Energetics of Weak Interactions in a β-hairpin Peptide:  Electrostatic and Hydrophobic Contributions to Stability from Lysine Salt Bridges Mark S. Searle, Samuel R. Griffiths-Jones, and Henry Skinner-Smith pp 11615–11620 DOI: 10.1021/ja992029c

Sequence Selectivity of 3-Hydroxypyrrole/Pyrrole Ring Pairings in the DNA Minor Groove Adam R. Urbach, Jason W. Szewczyk, Sarah White, James M. Turner, Eldon E. Baird, and Peter B. Dervan pp 11621–11629 DOI: 10.1021/ja9930667

Template-Directed Preparation of Macroporous Polymers with Oriented and Crystalline Arrays of Voids P. Jiang, K. S. Hwang, D. M. Mittleman, J. F. Bertone, and V. L. Colvin pp 11630–11637 DOI: 10.1021/ja9903476

A Biomimetic Approach to Asymmetric Acyl Transfer Catalysis Elizabeth R. Jarvo, Gregory T. Copeland, Nikolaos Papaioannou, Peter J. Bonitatebus, Jr., and Scott J. Miller pp 11638–11643 DOI: 10.1021/ja9931776 Supporting Info

Measurement of Local DNA Reorganization on the Picosecond and Nanosecond Time Scales Eric B. Brauns, Mihaela L. Madaras, Robert S. Coleman, Catherine J. Murphy, and Mark A. Berg pp 11644–11649 DOI: 10.1021/ja992456q Supporting Info

Synthesis, Structure, Strain Energy, and Excess Strain of a Phospha[3]triangulane Koop Lammertsma, Bing Wang, Jui-Te Hung, Andreas W. Ehlers, and Gary M. Gray pp 11650–11655 DOI: 10.1021/ja9905896 Supporting Info

Mechanism of Aqueous Decomposition of Trichloroethylene Oxide Hongliang Cai and F. Peter Guengerich pp 11656–11663 DOI: 10.1021/ja9914240

A Convergent Approach to Coenzyme Q Bruce H. Lipshutz, Gerd Bulow, Fernando Fernandez-Lazaro, Sung-Kyu Kim, Richard Lowe, Paul Mollard, and Kirk L. Stevens pp 11664–11673 DOI: 10.1021/ja992164p Supporting Info

A New and Efficient Hypervalent Iodine−Benzyne Precursor, (Phenyl)[o-(trimethylsilyl)phenyl]iodonium Triflate:  Generation, Trapping Reaction, and Nature of Benzyne Tsugio Kitamura, Masakatsu Yamane, Kensuke Inoue, Mitsuru Todaka, Norihiko Fukatsu, Zhaohong Meng, and Yuzo Fujiwara pp 11674–11679 DOI: 10.1021/ja992324x

Ruthenium-Catalyzed Cycloisomerization−Oxidation of Homopropargyl Alcohols. A New Access to γ-Butyrolactones Barry M. Trost and Young H. Rhee pp 11680–11683 DOI: 10.1021/ja992013m Supporting Info

Fmoc-Based Synthesis of Peptide-αThioesters:  Application to the Total Chemical Synthesis of a Glycoprotein by Native Chemical Ligation Youngsook Shin, Katharine A. Winans, Bradley J. Backes, Stephen B. H. Kent, Jonathan A. Ellman, and Carolyn R. Bertozzi pp 11684–11689 DOI: 10.1021/ja992881j

Dications of Fluorenylidenes. Use of Magnetic Properties To Evaluate the Antiaromaticity of the Dication of Tetrabenzo[5.5]fulvalene and Substituted Fluorenyl Cations Nancy S. Mills pp 11690–11696 DOI: 10.1021/ja9929032 Supporting Info

Regio- and Stereoselective Synthesis of Key 1-Methyl Carbapenem Intermediates via Hydroformylation Using a Zwitterionic Rhodium Catalyst H. S. Park, E. Alberico, and H. Alper pp 11697–11703 DOI: 10.1021/ja993080j

Coordination Compounds of Monoborane−Lewis Base Adducts:  Syntheses and Structures of [M(CO)5(η1-BH3·L)] (M = Cr, Mo, W; L = NMe3, PMe3, PPh3) Mamoru Shimoi, Shin-ichiro Nagai, Madoka Ichikawa, Yasuro Kawano, Kinji Katoh, Mikio Uruichi, and Hiroshi Ogino pp 11704–11712 DOI: 10.1021/ja990828p Supporting Info

Heterovalent Clusters:  Ln4Se(SePh)8 (Ln4 = Sm4, Yb4, Sm2Yb2, Nd2Yb2) Deborah Freedman, Safak Sayan, Thomas J. Emge, Mark Croft, and John G. Brennan pp 11713–11719 DOI: 10.1021/ja991437d Supporting Info

Exfoliated and Restacked MoS2 and WS2:  Ionic or Neutral Species? Encapsulation and Ordering of Hard Electropositive Cations Joy Heising and Mercouri G. Kanatzidis pp 11720–11732 DOI: 10.1021/ja991644d

Photodissociation and Electronic Spectroscopy of Mn(H)(CO)3(H-DAB) (DAB = 1,4-Diaza-1,3-butadiene): Quantum Wave Packet Dynamics Based on ab Initio Potentials Dominique Guillaumont and Chantal Daniel pp 11733–11743 DOI: 10.1021/ja992069g

BH Bond Activation of Trimethylphosphineborane by Transition Metal Complexes:  Synthesis of Metal Complexes Bearing Nonsubstituted Boryl−Trimethylphosphine, Cp*M(CO)3(BH2·PMe3) (M = Mo, W) Yasuro Kawano, Takahiro Yasue, and Mamoru Shimoi pp 11744–11750 DOI: 10.1021/ja992168u Supporting Info

Amide Hydrolysis Effected by a Hydroxo-Bridged Dinickel(II) Complex:  Insights into the Mechanism of Urease Amy M. Barrios and Stephen J. Lippard pp 11751–11757 DOI: 10.1021/ja992447h Supporting Info

Mixed Chloride/Amine Complexes of Dimolybdenum(II,II). 5. Experimental and Theoretical Study of the Rotation Conformational Preferences of Mo2Cl4(R-py)4 (R-py = Substituted Pyridine) Molecules F. Albert Cotton, Evgeny V. Dikarev, Jiande Gu, Santiago Herrero, and Barbara Modec pp 11758–11761 DOI: 10.1021/ja992445x Supporting Info

Synthesis of Unsymmetrical Diolate, Oxametallacyclopentene, Amido-Alkoxide and Thiolato-Alkoxide Complexes Using Dialkyl and Diaryl Titanium Aminotroponiminate Complexes:  A Route to Unsymmetrical Vicinal Diols Dietrich P. Steinhuebel and Stephen J. Lippard pp 11762–11772 DOI: 10.1021/ja992662y Supporting Info

Metal−Metal Interactions in a Novel Hybrid Metallopolymer Colin G. Cameron and Peter G. Pickup pp 11773–11779 DOI: 10.1021/ja9843472 Supporting Info

EXAFS Data Indicate a “Normal” Axial Cobalt−Nitrogen Bond of the Organo-B12 Cofactor in the Two Coenzyme B12-Dependent Enzymes Glutamate Mutase and 2-Methyleneglutarate Mutase Frederic Champloy, Gerwald Jogl, Riikka Reitzer, Wolfgang Buckel, Harald Bothe, Brigitta Beatrix, Gerd Broeker, Alain Michalowicz, Wolfram Meyer-Klaucke, and Christoph Kratky pp 11780–11789 DOI: 10.1021/ja990349q

Translational Energy Dependence and Potential Energy Surfaces of Gas Phase SN2 and Addition−Elimination Reactions Stephen L. Craig, Meili Zhong, and John I. Brauman pp 11790–11797 DOI: 10.1021/ja990556q

Aromatic Side Chain−Porphyrin Interactions in Designed Hemoproteins Dahui Liu, David A. Williamson, Michelle L. Kennedy, Todd D. Williams, Martha M. Morton, and David R. Benson pp 11798–11812 DOI: 10.1021/ja990606r Supporting Info

Surface Recognition and Helix Stabilization of a Tetraaspartate Peptide by Shape and Electrostatic Complementarity of an Artificial Receptor Thomas Haack, Mark W. Peczuh, Xavier Salvatella, Jorge Sánchez-Quesada, Javier de Mendoza, Andrew D. Hamilton, and Ernest Giralt pp 11813–11820 DOI: 10.1021/ja9910154

Simultaneous Measurement of 3JHN,Hα and 3JHα,Hβ Coupling Constants in 13C,15N-Labeled Proteins Frank Löhr, Jürgen M. Schmidt, and Heinz Rüterjans pp 11821–11826 DOI: 10.1021/ja991356h

Evolution of Fragments Formed at the Rupture of a Knotted Alkane Molecule A. Marco Saitta and Michael L. Klein pp 11827–11830 DOI: 10.1021/ja991376j

Mechanism of Chorismate Mutase:  Contribution of Conformational Restriction to Catalysis in the Claisen Rearrangement Nikolai A. Khanjin, James P. Snyder, and F. M. Menger pp 11831–11846 DOI: 10.1021/ja992453d Supporting Info

Distinguishing Anisotropy and Flexibility of the Pentasaccharide LNF-1 in Solution by Carbon-13 NMR Relaxation and Hydrodynamic Modeling Torgny Rundlöf, Richard M. Venable, Richard W. Pastor, Jozef Kowalewski, and Göran Widmalm pp 11847–11854 DOI: 10.1021/ja992675b

Ab Initio Determination of Reversible Potentials and Activation Energies for Outer-Sphere Oxygen Reduction to Water and the Reverse Oxidation Reaction Alfred B. Anderson and Titus V. Albu pp 11855–11863 DOI: 10.1021/ja992735d

On “Pure Axial” Monosubstituted Cyclohexanes:  Cyclohexyl Nitronate Esters Adopt O-Equatorial Conformations Matthew C. Davis, Ben Cornett, Shaoxiong Wu, and James P. Snyder pp 11864–11870 DOI: 10.1021/ja993017u Supporting Info

Improved Resolution and Sensitivity of Triple-Resonance NMR Methods for the Structural Analysis of Proteins by Use of a Backbone-Labeling Strategy Philip E. Coughlin, Frank E. Anderson, Ed J. Oliver, Jonathan M. Brown, Steve W. Homans, Susan Pollak, and Joyce W. Lustbader pp 11871–11874 DOI: 10.1021/ja993083w

An in Situ Radiolysis Time-Resolved ESR Study of the Kinetics of Spin Trapping by 5,5-Dimethyl-1-pyrroline-N-oxide Hitoshi Taniguchi and Keith P. Madden pp 11875–11879 DOI: 10.1021/ja993140l

Mechanistic Variations and Rate Effects of Alkoxy and Thioalkoxy Substituents on Anionic Oxy-Cope Rearrangements Fredrik Haeffner, K. N. Houk, Y. Ravindra Reddy, and Leo A. Paquette pp 11880–11884 DOI: 10.1021/ja993274z

Isotope Effects and the Mechanism of Triazolinedione Ene Reactions. Aziridinium Imides Are Innocent Bystanders Daniel A. Singleton and Chao Hang pp 11885–11893 DOI: 10.1021/ja9933339 Supporting Info

Oxidation of Toluene by [(phen)2Mn(μ-O)2Mn(phen)2]4+ via Initial Hydride Abstraction Mark A. Lockwood, Kun Wang, and James M. Mayer pp 11894–11895 DOI: 10.1021/ja992153w Supporting Info

Photoinduced Protein Cross-Linking Mediated by Palladium Porphyrins Kyonghee Kim, David A. Fancy, Darren Carney, and Thomas Kodadek pp 11896–11897 DOI: 10.1021/ja9916355 Supporting Info

Metal-Mediated C−C Bond Making and Breaking:  First Direct Evidence for a Reversible Migration of a Benzyl Group along a Metal−Carbon Bond Martin Albrecht, Robert A. Gossage, Anthony L. Spek, and Gerard van Koten pp 11898–11899 DOI: 10.1021/ja992494+ Supporting Info

Insertion of Dioxygen into a Platinum−Hydride Bond to Form a Novel Dialkylhydroperoxo Pt(IV) Complex Douglas D. Wick and Karen I. Goldberg pp 11900–11901 DOI: 10.1021/ja992618i Supporting Info

Enhanced Catalyst Reactivity and Separations Using Water/Carbon Dioxide Emulsions Gunilla B. Jacobson, C. Ted Lee, Jr., Keith P. Johnston, and William Tumas pp 11902–11903 DOI: 10.1021/ja993208x

A Chemical Compound Formed from Water and Xenon:  HXeOH Mika Pettersson, Leonid Khriachtchev, Jan Lundell, and Markku Räsänen pp 11904–11905 DOI: 10.1021/ja9932784

Triple Linkage of Two Homooxacalix[3]arenes Creates Capsular Molecules and Self-Threaded Rotaxanes Zhenlin Zhong, Atsushi Ikeda, and Seiji Shinkai pp 11906–11907 DOI: 10.1021/ja9925002 Supporting Info

Electrostatic Attraction of Counterion Dominates the Cation−π Interaction of Acetylcholine and Tetramethylammonium with Aromatics in Chloroform Sandra Bartoli and Stefano Roelens pp 11908–11909 DOI: 10.1021/ja992415u Supporting Info

Binding of Nitric Oxide to Iron(II) Porphyrins:  Radiative Association, Blackbody Infrared Radiative Dissociation, and Gas-Phase Association Equilibrium Ounan Chen, Susan Groh, Alison Liechty, and Douglas P. Ridge pp 11910–11911 DOI: 10.1021/ja991477h

Pantocin B, an Antibiotic from Erwinia herbicola Discovered by Heterologous Expression of Cloned Genes Sean F. Brady, Sandra A. Wright, Julie C. Lee, Amanda E. Sutton, Cathy H. Zumoff, Richard S. Wodzinski, Steven V. Beer, and Jon Clardy pp 11912–11913 DOI: 10.1021/ja992790m Supporting Info

Isotope-Edited Infrared Spectroscopy of Helical Peptides Sean M. Decatur and Jelena Antonic pp 11914–11915 DOI: 10.1021/ja991279q

Development of a Chiral Propionaldehyde Homoenolate Equivalent Which Reacts with Imines with Excellent Stereoselectivity:  Efficient and Practical Synthesis of Optically Active γ-Amino Carbonyl Compounds Xin Teng, Yuuki Takayama, Sentaro Okamoto, and Fumie Sato pp 11916–11917 DOI: 10.1021/ja9933487 Supporting Info

Probing Protein Folding with Substitution-Inert Metal Ions. Folding Kinetics of Cobalt(III)-Cytochrome c F. Akif Tezcan, Jay R. Winkler, and Harry B. Gray pp 11918–11919 DOI: 10.1021/ja993447k Supporting Info

Facile Conversion of [(η6-C6H6)Rh(CO)2][1-Et-CB11F11] into the Nonclassical Rhodium(I) Carbonyl [Rh(CO)4][1-Et-CB11F11] Anthony J. Lupinetti, Matthew D. Havighurst, Susie M. Miller, Oren P. Anderson, and Steven H. Strauss pp 11920–11921 DOI: 10.1021/ja993628m Supporting Info

An Antibiotic Cloaked by Its Own Resistance Enzyme Jalal Haddad, Sergei Vakulenko, and Shahriar Mobashery pp 11922–11923 DOI: 10.1021/ja993452o Supporting Info

Facilitated Phospholipid Translocation across Vesicle Membranes Using Low-Molecular-Weight Synthetic Flippases J. Middleton Boon and Bradley D. Smith pp 11924–11925 DOI: 10.1021/ja9933285 Supporting Info

Powerful Redox Molecular Sieve Catalysts for the Selective Oxidation of Cyclohexane in Air Robert Raja, Gopinathan Sankar, and John Meurig Thomas pp 11926–11927 DOI: 10.1021/ja9935052

Phototriggered DNA Hairpin Formation in a Stilbenediether-Linked Bis(oligonucleotide) Conjugate Frederick D. Lewis and Xiaoyang Liu pp 11928–11929 DOI: 10.1021/ja9932131

Dramatic Effects of Crystal Morphology on Solid State Reaction Course;1 Control by Crystal Disorder; Mechanistic and Exploratory Organic Photochemistry Howard E. Zimmerman, Igor V. Alabugin, Wensheng Chen, and Zhaoning Zhu pp 11930–11931 DOI: 10.1021/ja992208u Supporting Info

A Rationally Designed Synthetic Peptide Mimic of a Discontinuous Viral Antigenic Site Elicits Neutralizing Antibodies Eva Borràs, Ernest Giralt, and David Andreu pp 11932–11933 DOI: 10.1021/ja9917722 Supporting Info

Electrochemical Nanotechnology:  In-Situ Local Probe Tech-niques at Electrochemical Interfaces Edited by Dr. Wolfgang J. Lorenz (Universitat Karlsruhe) and Dr. Waldfried Plieth (Universitat Dresden). Wiley-VCH:  Weinheim, New York, Chichester, Bris-bane, Singapore, Toronto. 1998. xii + 324 pp. $131.95. ISBN 3-527-29520-8. John Brittain Cooper p 11934 DOI: 10.1021/ja985763p

Progress in Inorganic Chemistry, Vol. 48. [J. Am. Chem. Soc. 1999, 121, 8970] (Book Review) p 11934 DOI: 10.1021/ja995535a

Vanadium Compounds:  Chemistry, Biochemistry, and Therapeutic Applications Edited by Alan S. Tracey and Debbie C. Crans. Oxford University Press:  New York. 1998. 366 pp. $135.00. ISBN 0-8412-3589-9. Carl J. Carrano p 11934 DOI: 10.1021/ja995729q

Issue 51

Expression of Binding Energy on an Antibody Reaction Coordinate Herschel Wade and Thomas S. Scanlan pp 11935–11941 DOI: 10.1021/ja9928879

Sequence-Specificity for DNA Interstrand Cross-Linking by α,ω-Alkanediol Dimethylsulfonate Esters:  Evidence for DNA Distortion by the Initial Monofunctional Lesion Yun-Hua Fan and Barry Gold pp 11942–11946 DOI: 10.1021/ja991813u

DNA Binding Mode and Sequence Specificity of Piperazinylcarbonyloxyethyl Derivatives of Anthracene and Pyrene Hans-Christian Becker and Bengt Nordén pp 11947–11952 DOI: 10.1021/ja991844p Supporting Info

Total Synthesis of 5-N-Acetylardeemin and Amauromine:  Practical Routes to Potential MDR Reversal Agents Kristopher M. Depew, Stephen P. Marsden, Danuta Zatorska, Andrzej Zatorski, William G. Bornmann, and Samuel J. Danishefsky pp 11953–11963 DOI: 10.1021/ja991558d Supporting Info

Total Synthesis of Gypsetin, Deoxybrevianamide E, Brevianamide E, and Tryprostatin B:  Novel Constructions of 2,3-Disubstituted Indoles Jeffrey M. Schkeryantz, Jonathan C. G. Woo, Phieng Siliphaivanh, Kristopher M. Depew, and Samuel J. Danishefsky pp 11964–11975 DOI: 10.1021/ja9925249 Supporting Info

Ketone-Catalyzed Decomposition of Peroxynitrite via Dioxirane Intermediates Dan Yang, Yeung-Chiu Tang, Jian Chen, Xue-Chao Wang, Michael D. Bartberger, K. N. Houk, and Leif Olson pp 11976–11983 DOI: 10.1021/ja984358v Supporting Info

Geometrical Effects on Intramolecular Quenching of Aromatic Ketone (π,π*) Triplets by Remote Phenolic Hydrogen Abstraction Edward C. Lathioor, William J. Leigh, and Michael J. St. Pierre pp 11984–11992 DOI: 10.1021/ja991207z Supporting Info

Higher-Order Structure of Polymyxin B:  The Functional Significance of Topological Flexibility Martha D. Bruch, Yolanda Cajal, John T. Koh, and Mahendra K. Jain pp 11993–12004 DOI: 10.1021/ja992376m Supporting Info

Mesostructured Metal Germanium Sulfides Mark J. MacLachlan, Neil Coombs, Robert L. Bedard, Steve White, Laurence K. Thompson, and Geoffrey A. Ozin pp 12005–12017 DOI: 10.1021/ja992663q

Substituent-Induced Circular Dichroism in Phthalocyanines Nagao Kobayashi, Ryuji Higashi, Bruno C. Titeca, Folker Lamote, and Arnout Ceulemans pp 12018–12028 DOI: 10.1021/ja992556w

Ab Initio Computational Study of the Allenyl Cope Rearrangement of syn-7-Allenylnorbornene James A. Duncan, Joseph K. Azar, J. Callan Beathe, Scott R. Kennedy, and Carolyn M. Wulf pp 12029–12034 DOI: 10.1021/ja991838t Supporting Info

Well-Controlled Polymerization of Phenylacetylenes with Organorhodium(I) Complexes:  Mechanism and Structure of the Polyenes Yasuhisa Kishimoto, Peter Eckerle, Tatsuya Miyatake, Masatsune Kainosho, Akira Ono, Takao Ikariya, and Ryoji Noyori pp 12035–12044 DOI: 10.1021/ja991903z Supporting Info

The Photochemistry of trans-ortho-, -meta-, and -para-Aminostilbenes Frederick D. Lewis, Rajdeep S. Kalgutkar, and Jye-Shane Yang pp 12045–12053 DOI: 10.1021/ja992335q Supporting Info

Proton Transfer from the C5-proR/proS Positions of l-Dihydroorotate:  General-Base Catalysis, Isotope Effects, and Internal Return1 Argyrides Argyrou and Michael W. Washabaugh pp 12054–12062 DOI: 10.1021/ja992753v

Chemoenzymatic Synthesis of α-(1→3)-Gal(NAc)-Terminating Glycosides of Complex Tertiary Sugar Alcohols Xiangping Qian, Keiko Sujino, Albin Otter, Monica M. Palcic, and Ole Hindsgaul pp 12063–12072 DOI: 10.1021/ja993004g Supporting Info

Studies in Polyphenol Chemistry and Bioactivity. 1. Preparation of Building Blocks from (+)-Catechin. Procyanidin Formation. Synthesis of the Cancer Cell Growth Inhibitor, 3-O-Galloyl-(2R,3R)-epicatechin-4β,8-[3-O-galloyl-(2R,3R)-epicatechin] Werner Tückmantel, Alan P. Kozikowski, and Leo J. Romanczyk, Jr. pp 12073–12081 DOI: 10.1021/ja993020d Supporting Info

Interconversion and Reactions of In- and Out-Isomers of a Triarylphosphine-Containing Cyclophane Yen Ting Chen, Kim K. Baldridge, Douglas M. Ho, and Robert A. Pascal, Jr. pp 12082–12087 DOI: 10.1021/ja993503h Supporting Info

The Role of the Distal and Proximal Protein Environments in Controlling the Ferric Spin State and in Stabilizing Thiolate Ligation in Heme Systems:  Thiolate Adducts of the Myoglobin H93G Cavity Mutant Mark P. Roach, Alycen E. Pond, Melissa R. Thomas, Steven G. Boxer, and John H. Dawson pp 12088–12093 DOI: 10.1021/ja9915504

Models of Nitric Oxide Synthase:  Iron(III) Porphyrin-Catalyzed Oxidation of Fluorenone Oxime to Nitric Oxide and Fluorenone Charles C.-Y. Wang, Douglas M. Ho, and John T. Groves pp 12094–12103 DOI: 10.1021/ja992373+ Supporting Info

Implications for the Thin-Film Densification of TiO2 from Carboxylic Acid-Modified Titanium Alkoxides. Syntheses, Characterizations, X-ray Structures of Ti3(μ3-O)(O2CH)2(ONep)8, Ti3(μ3-O)(O2CMe)2(ONep)8, Ti6(μ3-O)6(O2CCHMe2)6(ONep)6, [Ti(μ-O2CCMe3)(ONep)3]2, and Ti3(μ3-O)(O2CCH2CMe3)2(ONep)8 (ONep = OCH2CMe3)1 Timothy J. Boyle, Ryan P. Tyner, Todd M. Alam, Brian L. Scott, Joseph W. Ziller, and B. G. Potter, Jr. pp 12104–12112 DOI: 10.1021/ja992521w Supporting Info

A Theoretical Study of Free and Fe(CO)4-Complexed Borylenes (Boranediyls) and Heavier Congeners:  The Nature of the Iron−Group 13 Element Bonding Charles L. B. Macdonald and Alan H. Cowley pp 12113–12126 DOI: 10.1021/ja992573l Supporting Info

Multiple Equilibrium Analysis Description of Adsorption on Na−Mordenite and H−Mordenite Charles Edwin Webster, Andrew Cottone, III, and Russell S. Drago pp 12127–12139 DOI: 10.1021/ja984122r

Catalytic Mechanism of Dihydrofolate Reductase Enzyme. A Combined Quantum-Mechanical/Molecular-Mechanical Characterization of Transition State Structure for the Hydride Transfer Step R. Castillo, J. Andrés, and V. Moliner pp 12140–12147 DOI: 10.1021/ja9843019

Isomerization of the Prenucleation Building Unit during Crystallization of AlPO4-CJ2:  An MQMAS, CP-MQMAS, and HETCOR NMR Study Francis Taulelle, Marek Pruski, Jean Paul Amoureux, David Lang, Alain Bailly, Clarisse Huguenard, Mohamed Haouas, Corine Gérardin, Thierry Loiseau, and Gérard Férey pp 12148–12153 DOI: 10.1021/ja991295n

A First-Principles Quantum Chemical Analysis of the Factors Controlling Ruffling Deformations of Porphyrins:  Insights from the Molecular Structures and Potential Energy Surfaces of Silicon, Phosphorus, Germanium, and Arsenic Porphyrins and of a Peroxidase Compound I Model Torgil Vangberg and Abhik Ghosh pp 12154–12160 DOI: 10.1021/ja992457i

Poly(Propylene Amine) Dendrimers with Peripheral Dansyl Units:  Protonation, Absorption Spectra, Photophysical Properties, Intradendrimer Quenching, and Sensitization Processes Fritz Vögtle, Sven Gestermann, Christopher Kauffmann, Paola Ceroni, Veronica Vicinelli, Luisa De Cola, and Vincenzo Balzani pp 12161–12166 DOI: 10.1021/ja992942d Supporting Info

Quadruple Metal−Metal Bonds with Strong Donor Ligands. Ultraviolet Photoelectron Spectroscopy of M2(form)4 (M = Cr, Mo, W; form = N,N‘-diphenylformamidinate) Dennis L. Lichtenberger, Matthew A. Lynn, and Malcolm H. Chisholm pp 12167–12176 DOI: 10.1021/ja993065e

An Excited State Density Functional Theory Study of the Rhodopsin Chromophore C. Molteni, I. Frank, and M. Parrinello pp 12177–12183 DOI: 10.1021/ja983708a

A New Route to Covalently Attached Monolayers:  Reaction of Hydridosilanes with Titanium and Other Metal Surfaces Alexander Y. Fadeev and Thomas J. McCarthy pp 12184–12185 DOI: 10.1021/ja9931269 Supporting Info

Excited-State Double Proton Transfer in 7-Azaindole Analogues:  Observation of Molecular-Based Tuning Proton-Transfer Tautomerism Pi-Tai Chou, Ching-Yen Wei, Go-Ray Wu, and Wen-Sin Chen pp 12186–12187 DOI: 10.1021/ja9917619

Reactions of Th Atoms with CO:  The First Thorium Carbonyl Complex and an Unprecedented Bent Triplet Insertion Product Mingfei Zhou and Lester AndrewsJun Li and Bruce E. Bursten pp 12188–12189 DOI: 10.1021/ja993300t

New Radical Cascade Reactions Incorporating Multiple One-Carbon Radical Synthons:  A Versatile Synthetic Methodology for Vicinal Singly and Doubly Acylated Oxime Ethers Ilhyong Ryu, Hiroki Kuriyama, Satoshi Minakata, Mitsuo Komatsu, Joo-Yong Yoon, and Sunggak Kim pp 12190–12191 DOI: 10.1021/ja992125d Supporting Info

Enzymatic Conversion of Carbon Dioxide to Methanol:  Enhanced Methanol Production in Silica Sol−Gel Matrices Robyn Obert and Bakul C. Dave pp 12192–12193 DOI: 10.1021/ja991899r

Incorporation of Two Different Nonnatural Amino Acids Independently into a Single Protein through Extension of the Genetic Code Takahiro Hohsaka, Yuki Ashizuka, Hiroshi Sasaki, Hiroshi Murakami, and Masahiko Sisido pp 12194–12195 DOI: 10.1021/ja992204p Supporting Info

First Synthesis of a Bidesmosidic Triterpene Saponin by a Highly Efficient Procedure Biao Yu, Jianming Xie, Shaojiang Deng, and Yongzheng Hui pp 12196–12197 DOI: 10.1021/ja9926818 Supporting Info

Cationic Species Can Be Produced in Soluble Methane Monooxygenase-Catalyzed Hydroxylation Reactions; Radical Intermediates Are Not Formed Seung-Yong Choi, Philip E. Eaton, Daniel A. Kopp, Stephen J. Lippard, Martin Newcomb, and Runnan Shen pp 12198–12199 DOI: 10.1021/ja993259u Supporting Info

De Novo Design of Antibacterial β-Peptides Yoshi Hamuro, Joel P. Schneider, and William F. DeGrado pp 12200–12201 DOI: 10.1021/ja992728p Supporting Info

Catalytic Diastereoselective Reductive Aldol Reaction:  Optimization of Interdependent Reaction Variables by Arrayed Catalyst Evaluation Steven J. Taylor and James P. Morken pp 12202–12203 DOI: 10.1021/ja992952e Supporting Info

Solid-Phase Synthesis and Structural Analysis of Bicyclic β-Turn Mimetics Incorporating Functionality at the i to i + 3 Positions Masakatsu Eguchi, Min S. Lee, Hiroshi Nakanishi, Marcin Stasiak, Scott Lovell, and Michael Kahn pp 12204–12205 DOI: 10.1021/ja992203x Supporting Info

Enantioselective Total Synthesis of the Kinesin Motor Protein Inhibitor Adociasulfate 1 Michael Bogenstätter, Anja Limberg, Larry E. Overman, and Adam L. Tomasi pp 12206–12207 DOI: 10.1021/ja9934091 Supporting Info

A Stereoelectronic Model To Explain the Highly Stereoselective Reactions of Nucleophiles with Five-Membered-Ring Oxocarbenium Ions Catharine H. Larsen, Brian H. Ridgway, Jared T. Shaw, and K. A. Woerpel pp 12208–12209 DOI: 10.1021/ja993349z Supporting Info

Methylated Mono- and Diethyleneglycol Functionalized Polylysines:  Nonionic, α-Helical, Water-Soluble Polypeptides Miaoer Yu, Andrew P. Nowak, and Timothy J. DemingDarrin J. Pochan pp 12210–12211 DOI: 10.1021/ja993637v Supporting Info

Structure Determination of a Lithiated Titanium−Sulfone Jürgen F. K. Müller, Markus Neuburger, and Hans-Peter Weber pp 12212–12213 DOI: 10.1021/ja993048p Supporting Info

Enantiospecific Synthesis of Allylamines via the Regioselective Rhodium-Catalyzed Allylic Amination Reaction  [J. Am. Chem. Soc. 1999, 121, 6761−6762]. P. Andrew Evans, John E. Robinson, and Jade D. Nelson p 12214 DOI: 10.1021/ja995539f

Lewis Acids and Selectivity in Organic Synthesis By Maurice Santelli and Jean-Marc Pons (University of Aix-Marseille). CRC Press:  Boca Raton, FL. 1995. 334 pp. $125.00. ISBN 0-8493-7866-4. Taeboem Oh p 12214 DOI: 10.1021/ja9956831

Stereoselectivity in Synthesis By Tse-Lok Ho (National Chiao Tung University). John Wiley & Sons, Inc.:  New York. 1999. xiii + 333 pp. $94.95. ISBN 0-471-32922-3. Amir H. Hoveyda p 12214 DOI: 10.1021/ja9957027

Organic Molecular Solids:  Properties and Applications Edited by William Jones. CRC Press:  Boca Raton, FL. 1998. 441 pp. $145.00. ISBN 0-8493-9428-7. Omar M. Yaghi pp 12214–12215 DOI: 10.1021/ja995689q

Protein Phosphorylation:  Selected Methods in Enzymology Edited by B. M. Selfton, Tony Hunter. Academic Press:  San Diego, CA. 1998. 598 pp. $59.95. ISBN 0-12-634490-6. Kevin N. Dalby p 12215 DOI: 10.1021/ja9856856

Fieser's Reagents for Organic Synthesis, Volume 18 By Tse-Lok Ho (National Chiao Tung University). John Wiley & Sons, Inc.:  New York. 1999. xii + 504 pp. $79.95. ISBN 0-471-24477-5. Amir H. Hoveyda p 12215 DOI: 10.1021/ja995703z

Humic Substances:  Structures, Properties and Uses Edited by G. Davies and E. A. Ghabbour (Northeastern University). Royal Society of Chemistry:  Cambridge, UK. 1998. 241 pp. $119.00. ISBN 0-85404-704-2. Cynthia K. Larive pp 12215–12216 DOI: 10.1021/ja995692+

Electronic Materials:  The Oligomer Approach Edited by K. Mullen and G. Wegner. Wiley:  Weinheim. 1998. 599 pp. $145.00. ISBN 3-527-29438-4. Stan A. Duraj p 12216 DOI: 10.1021/ja985753o