contents / sommaire volume 76, 1998

January / Janvier

ARTICLES

A.D.O. Bawagan, L. Fell, and J. Logan Time-resolved structures of electrical discharges in gases: experiment andstochastic model

1

Françoise M. Winnik, André Morneau, Alicja M. Mika, Ronald F. Childs, Anna Roig, Elies Molins, andRonald F. Ziolo Polyacrylic acid pore-filled microporous membranes and their use in membrane-mediatedsynthesis of nanocrystalline ferrihydrite

10

Raphaël Sabbah et Maria Ermelinda da Silva Eusébio Energétique des liaisons inter- et intramoléculaires dansles trois isomères de l’aminopyridine

18

Lee D. Wilson and Ronald E. Verrall A 1H NMR study of cyclodextrin – hydrocarbon surfactant inclusioncomplexes in aqueous solutions

25

Susan Swansburg, Kristin Janz, Gloria Jocys, Alexandra Pincock, and James PincockFacial selectivity in theaddition of nucleophiles to the radical cations of substituted 2-methyleneadamantanes

35

Michael Falk, Warren Chew, John A. Walter, Witold Kwiatkowski, Katherine D. Barclay, andGerald A. Klassen Molecular modelling and NMR studies of the caffeine dimer

48

Marcos Loroño, J.R. Anacona, and Anibal Sierralta Coriolis coupling constants and inertial defect of B2F4 by abinitio calculations and the iterative method

57

Katsuyuki Nakayama, Yuichi Kondo, and Koji Ishihara A kinetic study of the reactions of dimethyl sulfidebridged tetramethylplatinum(II) and octamethylplatinum(IV) complexes with dimethyl sulfide and bidentate ligands

62

Yasuki Yoshimura Salt effect on the solubility ofmer-(+)-tris(L-alaninato)cobalt(III) 71

Daniel Ren and Robert A. McClelland Carbocation-like reactivity patterns in X9-substituted-4-biphenylylnitreniumions

78

Richard A. Beekman, René T. Boeré, Klaus H. Moock, and Masood ParvezSynthesis, electrochemistry,structure, and magnetic susceptibility of 5-tert-butyl-1,3-bis-(1,2,3,5-dithiadiazolyl)benzene. Structural effect of thebulky substituent

85

Richard W. Friesen and Suzanne Bissada Total synthesis of (±)-9-deoxygoniopypyrone. Application of theiodocyclofunctionalization reaction ofa-allenic alcohol derivatives

94

Saul Wolfe, Chan-Kyung Kim, Kiyull Yang, Noham Weinberg, and Zheng Shi Transverse compression and thesecondary H/D isotope effects in intramolecular SN2 methyl-transfer reactions

102

Saul Wolfe, Zheng Shi, Kiyull Yang, Stephen Ro, Noham Weinberg, and Chan-Kyung Kim Hydration of thecarbonyl group. Further evidence for a cooperative mechanism from experimental and theoretical studies of thehydrations of formaldehyde, acetaldehyde, acetone, and cyclohexanone

114

Donald L. Hooper, Ian R. Pottie, Marc Vacheresse, and Keith Vaughan 1,2-Bis(1-aryl-3-alkyltriazen-3-yl)ethanes and related compounds

125

ADDITTIONS AND CORRECTIONS / AJOUTS ET CORRECTIONS

Philippe Couture and John Warkentin Chemistry of cyclic aminooxycarbenes 136

Author Index / Index des auteurs AI-1

C-1

Canadian Journalof Chemistry

Revue canadiennede chimie

Contents SommaireVolume 76, 1998 Volume 76, 1998

February / Février

ARTICLES

Sergey A. Avilov, Olga A. Drozdova, Vladimir I. Kalinin, Anatoly I. Kalinovsky, Valentin A. Stonik,Elena N. Gudimova, Ricardo Riguera, and Carlos Jiménez Frondoside C, a new nonholostane triterpeneglycoside from the sea cucumberCucumaria frondosa: structure and cytotoxicity of its desulfated derivative

137

Alex B. Driega, Gerald W. Buchanan, and Corinne Bensimon Synthesis ofcis-p-dioxano-12-crown-4 and X-raycrystallography of the (1:1) complex with lithium thiocyanate

142

John M. McIntosh, E. Jay Kiser, and Zhigang Tian The stereochemistry of hippurate alkylation 147

Catherine E. Drennan, Rachelle J. Hughes, Vincent C. Reinsborough, and Oladega O. SoriyanRateenhancement of nickel(II) complexation in dilute anionic surfactant solutions

152

Steven M. Barnett, Antonín Vl�ek, Jr., and Ian S. Butler Pressure-tuning infrared and Raman spectroscopic studyof (2,2′-bipyridine)tetracarbonylchromium(0)

158

James Frederick King, Gay Yuyitung, Manjinder Singh Gill, Jeffrey Charles Stewart, andNicholas Charles Payne Stereoelectronic effects in sulfonyl compounds: axial orientation of anN-methyl groupin a six-membered sultam

164

Fengde Xi and L. Ross C. Barclay Cooperative antioxidant effects of ascorbate and thiols with di-tert-butylcatechol during inhibited peroxidation in solution and in sodium dodecyl sulfate (SDS) micelles

171

Eva Vallazza, Alex D. Bain, and Thomas W. Swaddle Dynamics of silicate exchange in highly alkaline potassiumsilicate solutions

183

Costas Stathakis and Richard M. Cassidy Control of relative migration of small inorganic and organic anionswith cyclodextrins in capillary electrophoresis (CE)

194

Surya K. De, Mrinal G. Dhara, and Asok K. Mallik Synthesis oftrans-2,3-dimethoxy-3-(phenylamino)flavanones and related compounds

199

Paule Castan, Christine Viala, Paul-Louis Fabre, Françoise Nepveu, Jean-Pierre Souchard, andGérald Bernardinelli Crystal structure, spectroscopic and magnetic studies, and antioxidative properties ofcatena-[diaqua(dihydro-orotato)manganese(II)]

205

Mitchell D. Refvik and Adrian L. Schwan The reactions of a 1-alkenesulfenate anion with TMS-X reagents; avariable temperature NMR study

213

Heidi M. Muchall, Nick H. Werstiuk, and Biswajit Choudhury A search for an inexpensive calculational methodfor the reliable prediction of the first adiabatic and vertical ionization potentials of carbenes. Photoelectron spectraof two stable carbenes

221

Kiyohisa Ohta, Youko Ueda, Satoshi Nakaguchi, and Takayuki Mizuno Photochemical reduction of CO2 usingCu-loaded silicate rock powder suspended in water

228

Cathy Hubert et Bernard Garrigues Influence des ultrasons sur la diastéréosélectivité. Synthèse d’imidazolidine-4-one chirales

234

COMMUNICATION

H.M. Muchall, N.H. Werstiuk, B. Choudhury, J. Ma, J. Warkentin, and J.P. Pezacki Thermolysis of 2,2-dimethoxy-5,5-dimethyl-∆3- 1,3,4-oxadiazoline studied with photoelectron spectroscopy. He(I) photoelectronspectrum of dimethoxycarbene

238


March / Mars

ARTICLES

Philippe Couture and John Warkentin A benzo-fused oxapenem from aβ-lactam-4-ylidene 241

Richard J. Barton, Sushil K. Manocha, Beverly E. Robertson, and Lynn M. Mihichuk Synthesis, spectroscopy,and structures of the seven-coordinate complexes (CH3)2AsC(CF3)C(CF3)As(CH3)2W(CO)2I2P(OC6H5)3 and[(CH3)2AsC(CF3)C(CF3)As(CH3)2]2W(CO)Br2 and spectroscopy of related seven-coordinate complexes

245

C-2 Can. J. Chem. Vol. 76, 1998

Mehmet KarataÕ, Serap Koni, and ¤lknur Do �an Chiral N-(o-aryl)-thiazolidinediones: synthesis from rhodaninesand investigation on rotational enantiomers by NMR spectroscopy

254

Kazuo Shinozuka, Junya Kohda, and Hiroaki Sawai Oxidation of olefins catalyzed by iron complexes ofbleomycin model compounds bearing a hydrophobic or hydrophilic steric factor

260

Edward P.C. Lai, Ania Fafara, Victoria A. VanderNoot, Mari Kono, and Brandee Polsky Surface plasmonresonance sensors using molecularly imprinted polymers for sorbent assay of theophylline, caffeine, and xanthine

265

Jennifer L. McCann, Arvi Rauk, and Hal Wieser A conformational study of (1S, 2R, 5S)-(+)-menthol usingvibrational circular dichroism spectroscopy

274

R.F.W. Bader and F.J. Martín Interdeterminancy of basin and surface properties of an open system 284

Richard A. Walker, Aaron C. MacDonald, Tanya MacGillivray, D. Gerrard Marangoni, andTruis Smith-Palmer A capillary electrophoresis study of the synthesis and stability of 1,2-decanedisulfate, 1-hydroxy-2-decanesulfate, and 2-hydroxy-1-decanesulfate

292

Krishna C. Majumdar and Gour H. Jana Competitive study of Meisenheimer rearrangement in a substratetertiary amine with allylic and propargylic moieties

297

Sengen Sun, James F. Britten, Christopher N. Cow, Chérif F. Matta, and Paul H.M. Harrison The crystalstructure of 3,4,7,8-tetramethylglycoluril

301

A. Wallace Cordes, Robert C. Haddon, Robin G. Hicks, Richard T. Oakley, and Kristen E. Vajda Iodinecharge-transfer salts of bis(1,2,3,5-diselenadiazolyl)diradicals; solid-state characterization of the thiophene-bridgedderivative [(Se2N2C)C4H2S(CN2Se2)][I]

307

Vito Ferro, Larry Weiler, Stephen G. Withers, and Herman Ziltener N-Glycosyl phosphonamidates: potentialtransition-state analogue inhibitors of glycopeptidases

313

John E. Drake and Jincai Yang Synthesis, spectroscopic characterization, and structuralstudies oforganogermanium tri- and monothiocarbonates.Crystal structures of Me2Ge[S2CSEt]2, Ph3Ge[SCO2Me],Ph3Ge[SCO2(i-Pr)], and Ph2Ge[SCO2Me]2

319

Lorne M. Fell, Peter C. Burgers, Paul J.A. Ruttink, and Johan K. Terlouw The decarbonylation of ionizedβ-hydroxypyruvic acid: the hydrogen-bridged radical cation [CH2O H OL L C-OH]•+ studied by experiment andtheory

335

Beauty Chaudhuri and Rupendranath Banerjee Kinetics and mechanism of hydroxylamine oxidation by[Fe2

III (µ-O)(phen)4(H2O)2]4+ in aqueous media350

COMMUNICATION

Heather Marshall and Marisa A. Devine Precise measurement of fluorescence from uranium taken up in sodiumfluoride

356

ADDITIONS AND CORRECTIONS / AJOUTS ET CORRECTIONS

Saul Wolfe, Chan-Kyung Kim, Kiyull Yang, Noham Weinberg, and Zheng Shi Additions and corrections:Transverse compression and the secondary H/D isotope effects in intramolecular SN2 methyl-transfer reactions

359


April / Avril

ARTICLES

Ian Manners 1997 Canadian Society for Chemistry Award Lecture: Ring-opening polymerization (ROP) of strainedmetallocenophanes: the discovery and development of a new route to high molecular weight poly(metallocenes)

371

Jack M. Miller, David Wails, J. Stephen Hartman, Karla Schebesh, and Jennifer L. Belelie Friedel–Craftscatalysis using supported reagents. Synthesis, characterization, and catalytic application of sol–gel-derived silica

382

Wolfgang Kliegel, Jörg Metge, Steven J. Rettig, and James Trotter Aromatic aldonitrones of 2-(hydroxyamino)benzyl alcohol and their cyclic isomers. Crystal and molecularstructures of a 1-hydroxy-1,2-dihydro-4H-3,1-benzoxazine, a boron chelate, and its parent nitrone ligand

389

Helen A. Joly, Maria Kepes, Natalie Roy, and Jason Prpic The reactivity of the high-energy intermediatesformed in the reactions of Group 13 metal atoms and aromatic alkenes

400

Contents C-3

Yixing Zhao and Gordon R. Freeman Solvent effects on electrical conductivities of sodium tetraphenylboride inwater–methanol, ethanol, and 2-propanol mixed solvents

407

Yixing Zhao and Gordon R. Freeman Optical absorption spectrum of solvated electrons in puretert-butanol:effect of temperature

411

H.R. Hoveyda, Veranja Karunaratne, Christopher J. Nichols, Steven J. Rettig, Ashley K.W. Stephens, andChris Orvig Tripodal trisamides based on nicotinic and picolinic acid derivatives

414

Theresa Fauconnier, Alex D. Bain, Paul Hazendonk, R.A. Bell, and Colin J.L. Lock Structure and dynamics ofazapropazone derivatives studied by crystallography and nuclear magnetic resonance

426

Kelly S.E. Tanaka and Andrew J. Bennet Synthesis and evaluation of a bicyclic deoxymannojirimycin derivativeas a potential glycosidase inhibitor

431

Giuseppe Graziano Thermodynamics of dissolving gaseous argon in different solvents 437

Dian Chen, Arthur E. Martell, Ramunas J. Motekaitis, and Derek McManus Syntheses and Fe(II)/Fe(III)equilibria of the new multidentate ligands pyridine-2-phosphonic-6-carboxylic acid and 2,6-pyridinediphosphonicacid for the use of their iron chelates as catalysts for the oxidation of H2S to S8 by air

445

Sébastien Gregoire, Jean-Charles Mathurin, Raymond E. March et Jean-Claude TabetÉtude d’ions négatifspréparés « in situ » dans un piège ionique quadripolaire

452

Brent Hawrylak, Kim Gracie, and R. Palepu Ultrasonic velocity and volumetric properties of isomericbutanediols plus water systems

464

M.Z.A. Badr, A.A. Geies, M.S. Abbady, and A.A. Dahy New heterocycles from thienopyridocinnolines 469

Youliang Wang and Raymond A. Poirier Generalized valence bond study of rotational singlet structures andπbond energies for systems containing CC, SiSi, and CSi double bonds

477

Sean A.C. McDowell and W.J. Meath Average energy approximations for anisotropic triple-dipole dispersionenergy coefficients using three-body interactions involving O2, NO, CO, N2, H2, and the rare gases as tests

483

Okba Saied, Benoit Bachand, and James D. WuestComplexes of ketodiesters and related compounds with TiCl4.Attempts to use chelation to promote the simultaneous coordination of ketones by two Lewis acids

490


Takashi Tokoroyama and Hisashi Kusaka Additions and corrections: Folding strain stereocontrol in cyclohexanering formation by means of an intramolecular ester enolate alkylation reaction

498


May / Mai

ARTICLES

Bruce A. Thomson 1997 McBryde Medal Award Lecture: Radio frequency quadrupole ion guides in modern massspectrometry

499

Behzad C. Ahvazi, Gerry Pageau, and Dimitris S. Argyropoulos On the formation of diphenylmethane structuresin lignin under kraft, EMCC®, and soda pulping conditions

506

Yimin Sun, Warren E. Piers, and Masood Parvez The solid-state structure of bis(pentafluorophenyl)zinc 513

Edward Paul Segstro, Kerry Davie, Xiaoling Huang, and Alexander Frank Janzen Cyclic–acyclic equilibriumand selective P—O bond cleavage in 2-hydroxyphenyldiphenyl-phosphinate, Ph2P(O)OC6H4OH

518

Duncan H. Hunter, Chantelle McRoberts, and Jagadese J. Vittal Bisthiosemicarbazones of 2,4-pentanedione arepyrazolines

522

R.N. Gedye and J.B. Wei Rate enhancement of organic reactions by microwaves at atmospheric pressure 525

C. Den Auwer, M.P. Andrews, V. Briois, C. Cartier dit Moulin, and H. Dexpert Structure bifurcation incontainerless low-temperature syntheses of solid state niobium chloride compounds from lanthanoid atoms: an X-ray absorption and ab initio EXAFS analysis

533

Reginald H. Mitchell, Danny Y.K. Lau, Thomas C.W. Mak, Bo-mu Wu, and Clemens Anklin Synthesis of thefirst [n]paracyclophane with an annulene as the aromatic, a necklace-like molecule; NMR, X-ray, and MMXstructural comparisons

546

C-4 Can. J. Chem. Vol. 76, 1998

Contents C-5

Paul Ruelle and Ulrich W. Kesselring Solubility prediction ofn-fatty alcohols and sterols in complexing and non-complexing solvents according to the mobile order theory

553

Michael Ramek, Ching-Hsing Yu, and Lothar Schäfer Ab initio conformational analysis of the model tripeptideN-formyl-L-alanyl-L-alanine amide

566

Patricia Gabriela Molina, María Alicia Zón, and Héctor Fernández Determination of the acid dissociationconstants for some mycotoxins of theAlternaria alternatagenus

576

Katherine N. Robertson, Pradip K. Bakshi, Susanne D. Lantos, T. Stanley Cameron, and Osvald KnopCrystalchemistry of tetraradial species. Part 9. The versatileBPh4

− anion, or how organoammonium H(N) atoms competefor hydrogen bonding

583

Zhi-Hua Jiang and Dimitris S. Argyropoulos Coupling P-31 NMR with the Mannich reaction for the quantitativeanalysis of lignin

612

Douglas B. Craig and Norman J. Dovichi Escherichia coliβ-galactosidase is heterogeneous with respect to theactivity of individual molecules

623


June / Juin

This issue is dedicated to Professor Erwin BuncelCe tirage est dédié au Professeur Erwin Buncel

ARTICLES

Michael R. Crampton and Ian A. Robotham Kinetic studies ofs-adduct formation and nucleophilic substitutionin the reactions of ethyl 2,4,6-trinitrophenyl ether, some phenyl 2,4,6-trinitrophenyl ethers, and phenyl 2,4-dinitronaphthyl ether with aniline in dimethyl sulfoxide

627

Alan R. Katritzky, Daming Feng, Hengyuan Lang, Ming Qi, and Peter J. Steel Novel syntheses of 4-alkyl-2(5H)-thiophenones and 8-phenylimino-1,2,4-triazolo[5,1-c]-1,4-thiazines

635

John M.W. Scott and Danny Summers On the relationship between the rate constants for racemization andisotopic exchange

643

Robin A. Cox Lactams in sulfuric acid. The mechanism of amide hydrolysis in weak to moderately strong aqueousmineral acid media

649

Yvonne Chiang, A. Jerry Kresge, Norman P. Schepp, Vladimir V. Popik, Zvi Rappoport, and TzviaSelzer The acid dissociation constant of triphenylethenethiol, a simple thioenol, and that of its oxygen-enol analog

657

Julian M. Dust and Richard A. Manderville Carbon versus oxygen nucleophilic selectivity in the reaction of thearyloxide ions, 2,6- and 3,5-di-tert-butylphenoxide, with the 2-[(nitro)xaryl]-4,6-dinitrobenzotriazole 1-oxide seriesof super-electrophiles. Stereoelectronic factors on C-7 Meisenheimer complex formation versus C-′1 SNArdisplacement

662

N.H. Werstiuk, H.M. Muchall, C.D. Roy, J. Ma, and R.S. Brown A calculational and ultraviolet photoelectronspectroscopic study of distorted amides

672

Matthew J. Colthurst, Angeline J.S.S. Kanagasooriam, Michael S.O. Wong, Christian Contini, andAndrew Williams a-Effect nucleophiles and azide ion: effective charge studies of displacement reactions atesters

678

Christian Reichardt, Stefan Löbbecke, Abdol Mohammed Mehranpour, and Gerhard Schäfer PyridiniumN-phenoxide betaines and their application to the determination of solvent polarities, XXIV. Syntheses and UV-visspectroscopic properties of new lipophilictert-butyl- and 1-adamantyl substituted, negatively solvatochromicpyridinium N-phenolate betaine dyes

686

Wenyi Zhao and Henry J. Shine Primary and secondary 5-(alkyloxy)thianthrenium perchlorates. Characterizationwith 1H NMR spectroscopy, reactions with iodide and bromide ion, and thermal decomposition in solution

695

Michael H. Abraham, Gary S. Whiting, Wendel J. Shuely, and Ruth M. Doherty The solubility of gases andvapours in ethanol—the connection between gaseous solubility and water–solvent partition

703

Han Joong Koh, Ji-Won Lee, Hai Whang Lee, and Ikchoon Lee Kinetics and mechanism of the aminolysis ofethyl aryl carbonates in acetonitrile

710

A. Rauk, J.L. McCann, H. Wieser, P. Bour, I.V. Vystorop, Yu.I. El'natanov, and R.G. Kostyanovsky Skeletalvibrational circular dichroism of a series of bicyclic dilactones: the fingerprint region?

717

Jean M. Barthez, Anton V. Filikov, Lottie B. Frederiksen, Marie-Loire Huguet, John R. Jones, andShui-Yu Lu Microwave-enhanced metal- and acid-catalysed hydrogen isotope exchange reactions

726

Ik-Hwan Um, Eun-Kyung Chung, and So-Mi Lee An unusual ground-state stabilization effect and origins of thea-effect in aminolyses of Y-substituted phenyl X-substituted benzoates

729

Paul Müller, Corine Baud, and Yvan Jacquier The rhodium(II)-catalyzed aziridination of olefins with {[(4-nitrophenyl)sulfonyl]imino}phenyl-λ3 -iodane

738

Dennis N. Kevill, Malcolm J. D'Souza, and Haobo Ren Correlation of the rates of solvolysis of arylmethylp-toluenesulfonates: application of the aromatic ring parameter and a discussion of similarity models

751

Yao-ren Fang, Zhu-gen Lai, and Kenneth Charles Westaway Isotope effects in nucleophilic substitutionreactions X. The effect of changing the nucleophilic atom on ion-pairing in an SN2 reaction

758

Andrew Streitwieser, Daniel Zerong Wang, Manolis Stratakis, Antonio Facchetti, Roustam Gareyev,Alessandro Abbotto, James A. Krom, and Kathleen V. Kilway Extended lithium ion pair indicator scale intetrahydrofuran

765

Antonio Marques, Massimo di Matteo, and Marie-Françoise Ruasse Remarkable efficiency of iron(III) versusmanganese(III) tetraphenylporphyrins as catalysts for fast and quantitative oxidation of sulfides into sulfones byhydrogen peroxide

770

Ruslan M. Minyaev and Vladimir I. Minkin Theoretical study of O→X (S, Se, Te) coordination in organiccompounds

776

Andrew P. Dicks, E. Li, Andrew P. Munro, Helen R. Swift, and D. Lyn H. Williams The reaction of S-nitrosothiols with thiols at high thiol concentration

789

Per I. Arvidsson, Maria Hansson, Agha Zul-Qarnain Khan, and Per Ahlberg Solvent-induced stereospecificisomerization of an allylic alcohol to a homoallylic alcohol catalyzed by a chiral lithium amide

795

George W. Kabalka, Su Yu, and Nan-Sheng Li Selective hydroboration of alkenes and alkynes in the presence ofaldehydes and ketones

800

Teresa B. Freedman, Diane L. Hausch, Steven J. Cianciosi, and John E. BaldwinKinetics of thermalracemization of (2S,3S)-1-13C-1,2,3-d3-cyclopropane followed by vibrational circular dichroism spectroscopy

806

Knut Rang, Jan Sandström, and Christer Svensson The conformational equilibrium ofN, ′N -bis[(S)-1-phenylethyl]-thiourea and its solvent dependence, studied by NMR and CD spectra and by X-ray crystallography

811

James E. Van Verth, William H. Saunders, Jr., and Thomas W. Kermis Identity-reaction proton transfers fromnitrogen acids yielding localized vs. delocalized conjugate bases. An ab initio study

821

Ariel Sella, Shmuel Cohen, and Shmaryahu Hoz 1,3-Diphenylsulphonylcyclobutane: an unprecedented case of ahigher stability of thetrans isomer of 1,3-disubstituted cyclobutane

828

Ariel Sella, Harold Basch, and Shmaryahu Hoz Concerted motion in bicyclobutane 832

Sung Soo Kim, Yu Zhu, In Seok Oh, and Chang Gyeong Lim Reactions of benzyl methyl substituted-benzylphosphites withtert-butyl hypochlorite: "balanced TS" validating reactivity/selectivity principle

836

Angela P. Lyon, Nicola J. Banton, and Donal H. Macartney Kinetics of the self-assembly ofa-cyclodextrin[2]pseudorotaxanes with polymethylene threads bearing quaternary ammonium and phosphonium end groups

843

Gennady V. Shustov and Michael T.H. Liu On the possibility of conversion of strained bridgehead alkenes intocarbenes via 1,2 hydrogen and 1,2 carbon migrations. A theoretical study of the rearrangements in the adamanteneand protoadamantene systems

851

John K. Conner, Johanna Haider, M.N. Stuart Hill, Howard Maskill, and Monique Pestman The mechanismof solvolysis of 2-adamantyl azoxytosylate: isotopic labelling, medium effect, and attempted deoxygenation studies

862

Alfredo Mayall Simas, Joseph Miller, and Petrônio Filgueiras de Athayde Filho Are mesoionic compoundsaromatic?

869

Michael T. Annandale, Gary W. vanLoon, and Erwin Buncel Regioselectivity and stereoelectronic effects in thereactions of the dinitroaniline herbicides trifluralin and benefin with nucleophiles

873

Yuehui Zhou, W.E. Baker, P.M. Kazmaier, and E. Buncel Phenanthroimidazole dimers: structure and free radicalreactivity; piezochromism, thermochromism, and photochromism

884

C-6 Can. J. Chem. Vol. 76, 1998

Contents C-7

Robin A. Cox, Kap-Soo Cheon, Sam-Rok Keum, and Erwin Buncel Mechanism of the benzidinedisproportionation of (arylhydrazo)pyridines. The reactions of 4-(4-chlorophenylazo)pyridine and -hydrazo)pyridinein acid media

896

Jason A. Ardus, Ivan G. Gillman, and Richard A. Manderville On the role of copper and iron in DNA cleavageby ochratoxin A. Structure–activity relationships in metal binding and copper-mediated DNA cleavage

907

Zhao Wang, W. David Chandler, and Donald G. Lee Mechanisms for the oxidation of secondary alcohols bydioxoruthenium(VI) complexes

919

J. Peter Guthrie, Allan R. Stein, and Anthony P. Huntington Thermodynamics of methanesulfonic acid,methanesulfonyl chloride, and methyl methanesulfonate

929

François Terrier, Marie-José Pouet, Khalid Gzouli, Jean-Claude Hallé, Francis Outurquin, and ClaudePaulmier Carbon–carbon coupling of 4,6-dinitrobenzofuroxan with 3-aminothiophenes: a kinetic and structuralstudy

937

Clifford A. Bunton, Houshang J. Foroudian, Nicholas D. Gillitt, and Christy R. Whiddon Dephosphorylationand aromatic nucleophilic substitution in nonionic micelles. The importance of substrate location

946

Nikolai S. Zefirov and Alexandre N. Zakharov Catalysis by topologically anchored metal complexes. Liquid-phase hydroxylation of benzene by H2O2 in the presence of zeolite-supported Fe(II) phthalocyanine

955

Eduardo Humeres, Luiz Fernando Sequinel, Mauricéa Nunes, Célia M.S. Oliveira, andPatrick J. Barrie Kinetic effects induced by cellulose on water-catalyzed reactions. Hydrolysis of 2,4-dinitrophenyl cellulose xanthate and some sugar xanthate ester analogues

960

Maria Cervera and Jordi Marquet Effects of superoxide anion generated from aromatic radical anions producedin nucleophilic aromatic photosubstitution reactions

966

COMMUNICATION

Galina A. Artamkina, Petr K. Sazonov, Vasily A. Ivushkin, and Irina P. Beletskaya Formation ofcis-[Rf(CO)Re(CO)4Hal]Na complexes as an evidence of halogen–metal exchange between [Re(CO)5]Na andpolyfluorinated aryl and vinyl halides

970


July / Juillet

ARTICLES

R.F.W. Bader 1997 Polanyi Award Lecture: Why are there atoms in chemistry? 973

Takehiko Yamato, Mitsuteru Haraguchi, Jun-Ichi Nishikawa, Seiji Ide, and Hirohisa Tsuzuki Synthesis,conformational studies, and inclusion properties of tris[(2-pyridylmethyl)oxy]hexahomotrioxacalix[3]arenes

989

Takehiko Yamato, Hideo Kamimura, and Hirohisa Tsuzuki ipso-Nitration of tert-butyl[n.2]metacyclophanes;through-space electronic interactions between two benzene rings

997

R.H. Abu-Eittah, M. El-Esawy, N. Ghoneim, and A.T. Aly A comparative theoretical study of the electronicstructure of some nickel(II) azides, thiocyanates, and isothiocyanates

1006

T.M. Fyles, D. Loock, and X. Zhou Ion channels based on bis-macrocyclic bolaamphiphiles: effects ofhydrophobic substitutions

1015

Silvia Álvarez-Santos, Àngels González-Lafont, and José M. Lluch Effect of the hydrogen bond network incarbonic anhydrase II zinc binding site. A theoretical study

1027

Elena Cerrada and Mariano Laguna Heteroleptic gold complexes with 4,5-diselenolate-1,3-dithiole-2-thione(C3S3Se2

2-, dsit)1033

Ayman Wahba Erian, Ebtisam Abdul Aziz Hafez, Elham Sayed Darwish, andMohamed Hilmy Elnagdi Studies with polyfunctionally substituted heteroaromatics: synthesis of newheterocyclic aromatic amines as potential intermediates for preparation of dyes for thermal diffusion printing

1038

D.A. Block, D. Yu, D.A. Armstrong, and A. Rauk On the influence of secondary structure on thea-C—H bonddissociation energy of proline residues in proteins: a theoretical study

1042

Scott Brownridge, T. Stanley Cameron, Jack Passmore, Gabriele Schatte, and George W. SutherlandThepreparation, X-ray crystal structure, and spectroscopic characterization of pentafluorophenyl-bis(pentafluorophenylthio)sulfonium hexafluoroarsenate, [(C6F5S)2SC6F5][AsF6]

1050

Craig D. Montgomery, Steven J. Rettig, and Bryn Shurmer Crystal structure of the spirophosphorane(OCMe2C(O)O)2PH

1060

X.-Z. Zhang, R.C. Francis, D.B. Dutton, and R.T. Hill Decomposition of peracetic acid catalyzed by cobalt(II)and vanadium(V)

1064

Andrew G.H. Wee and Fuxing Tang Highly diastereoselective synthesis of 1,2-amino alcohols via nucleophilicaddition of organocerium reagents to 4- and 5-oxazolidinonecarbaldehydes

1070

Wolfgang Kliegel, Jörg Metge, Steven J. Rettig, and James Trotter C-(2-Hydroxyaryl)-N-(2-hydroxyphenylmethyl)nitrones as regioselective bidentate ligands in boron chelate formation. Crystal and molecularstructures of a diphenylboron complex and its parent ligand

1082

Tristram Chivers, Masood Parvez, Ignacio Vargas-Baca, and Gabriele SchatteConformational isomers of1,2,5,6-tetrathiocins and the photoisomerization of a 1,2,5,6-tetrathiocin into a 1,2,3,6-tetrathiocin: X-ray structuresof (C6X4S2)2 (X = F, Cl) and

I I

C F SSSC F S6 4 6 4

1093

Hui-Zhong Kou, Dai-Zheng Liao, Peng Cheng, Zong-Hui Jiang, Shi-Ping Yan, Geng-Lin Wang, Xin-Kan Yao,and Hong-Gen Wang A new one-dimensional thiocyanato-bridged bimetallic compound[Cu(en)2Mn(NCS)4(H2O)2]n. Synthesis, crystal structure, and magnetic properties

1102


Ariel Sella, Shmuel Cohen, and Shmaryahu Hoz Additions and corrections: 1,3-Diphenylsulphonylcyclobutane:an unprecedented case of a higher stability of thetrans isomer of 1,3-disubstituted cyclobutane

1108


August / Août

ARTICLES

France-Isabelle Auzanneau, Mette Knak Christensen, Shannon L. Harris, Morten Meldal, andB. Mario Pinto Synthesis and characterization of polyethylene glycol polyacrylamide copolymer (PEGA) resinscontaining carbohydrate ligands. Evaluation as supports for affinity chromatography

1109

Colin W. Clarke and David N. Glew Aqueous nonelectrolyte solutions. Part XV. The deuterium sulfide –deuterium oxide system and the deuterium sulfideD-hydrate

1119

Alan Storr, David A. Summers, and Robert C. Thompson Transition metal azolates from metallocenes. Part 3:Polymeric manganese(II) and nickel(II) pyrazolates; synthesis, characterization, and magnetochemistry

1130

Alwin Cunje, Christopher F. Rodriquez, Diethard K. Bohme, and Alan C. Hopkinson Noble gas catalysed 1,2-migrations in N2H+ and N2CH3

+1138

Peter D. Wentzell, Ji-Hong Wang, Leon F. Loucks, and Kelli M. Miller Direct optimization of self-modelingcurve resolution: application to the kinetics of the permanganate – oxalic acid reaction

1144

S.S. Abd El Rehim, Magdy A.M. Ibrahim, Hamdy H. Hassan, and Mohammed A. Amin Electrochemicalbehaviour of silver in aqueous chromate solutions

1156

Nick H. Werstiuk, Heidi M. Muchall, Jiagong Ma, and Michael T.H. Liu A study of the vacuum pyrolysis ofpara-substituted diazoacetophenones with He(I) ultraviolet photoelectron spectroscopy

1162

Ana M. Sanz, Pilar Navarro, Fernando Gomez-Contreras, Mercedes Pardo, Gèrard Pèpe, and AndréSamat A new diaza heteroaromatic crown of 3,5-disubstituted 1H-pyrazole which forms solid dinuclearcomplexes with lipophilic phenethylamines

1174

Giancarlo Verardo, Nicoletta Toniutti, and Angelo G. Giumanini Preparation, properties, and reductivealkylation of arylhydrazides

1180

Rose-Marie Dheilly, Yahya Sebaibi, Joseph Tudo et Michèle QueneudecImportance de la présence de magnésiedans le stockage de la chaux : carbonatation de l’oxyde et de l’hydroxyde de magnésium

1188

Joaquim C.G. Esteves da Silva, Adélio A.S.C. Machado, Miguel A. Ferreira, and Francisco ReyMethod for thedifferentiation of leaf litter extracts and study of their interaction with Cu(II) by molecular fluorescence

1197

C-8 Can. J. Chem. Vol. 76, 1998

Contents C-9

Stéphane Duvivier, Mireille Turmine et Pierre Letellier Solubilité de lab-cyclodextrine dans les mélanges eau –nitrate d’éthylammonium à 25°C

1210

Arezki Boudif, Sandrine Gimenez, Bernard Loock, and Michel Momenteau vic-Diacrylic ester porphyrins asstarting materials for monobenzoporphyrin andopp-dibenzoporphyrin syntheses

1215

Scott Brownridge, Jack Passmore, and Xiaoping Sun The electrophilic substitution reaction of thedithionitronium cation [SNS]+ with benzene

1220


September / Septembre

ARTICLES

Robert B. Grossman and Robert J. Trupp The first reagent-controlled asymmetric halolactonizations.Dihydroquinidine–halogen complexes as chiral sources of positive halogen ion

1233

Donald R. Arnold and Kimberly A. McManus Photochemical nucleophile–olefin combination, aromaticsubstitution (photo-NOCAS) reaction: methanol,b-myrcene, and 1,4-dicyanobenzene. Intramolecular cyclization ofan ene–diene radical cation

1238

Katrin Köhler and Warren E. Piers Ketone coordination chemistry of the diboranet-BuCH5C[B(C6F5)2]2 1249

Paul Harrington and Michael A. Kerr The ultra high pressure conjugate addition of indoles to electron-deficientolefins

1256

Gregory D. Boucher, Aaron C. MacDonald, Brent E. Hawrylak, and D. Gerrard Marangoni A nuclearmagnetic resonance investigation of the micellar properties of two-headed surfactant systems: the disodium 4-alkyl-3-sulfonatosuccinates. 1. Equilibrium micellar properties

1266

Lubomír Rulíšek, Zden�k Havlas, Stanislav HeÍmánek, and Jaromír Plešek Regular polyhedral molecules. P20and its inclusion compounds

1274

Jordan H. Wosnick, Frederick G. Morin, and Denis F.R. Gilson 31P chemical shift anisotropies of trimethyl- andtriphenylphosphine-substituted Group 6 metal pentacarbonyl complexes

1280

E.A. Jefferson, A.J. Kresge, L. Matthew, and Z. Wu Ketonization of (Z)-2-methoxy-1,2-diphenylvinyl alcohol.Quantitative evaluation of the remarkable kinetic stability of this enol

1284

M. Parvez, A. Rauk, T.S. Sorensen, and F. Sun Structure reassignment of the major isomer from the Diels–Alderreaction of acryloyl chloride and 4,5,6,6a-tetrahydropentalene

1289

John T. Edward Calculation of octanol–water partition coefficients of organic solutes from their molecularvolumes

1294

Yoshifumi Yuasa, Yoko Yuasa, and Haruki Tsuruta A practical and efficient enantioselective synthesis of (2S)-3-(tert-butylsulfonyl)-2-benzylpropionic acid, a useful chiral building block for renin inhibitors

1304

Thomas E. Goodwin, Jennifer M. Meacham, and Mark E. Smith Observations on the stereochemistry ofreduction of 2,6-dimethylcyclohexanones

1308

Carmen E. Hernández and William E. Acree, Jr. Solubility of fluoranthene in organic nonelectrolyte solvents.Comparison of observed versus predicted values based upon Mobile Order theory

1312

J. Stephen Hartman, Elizabeth I. Ilnicki, James A. W. Shoemaker, Wojciech R. Szerminski, and ZhengYuan Formation of mixed-ligand fluoroboron cations involving C5N donors. A19F and11B NMR study

1317


October / Octobre

ARTICLES

Robert A. McClelland, Timothy A. Gadosy, and Daniel Ren 1997 Alfred Bader Award Lecture: Reactivities ofarylnitrenium ions with guanine derivatives and other nucleophiles

1327

Viviana L. Ponzo and Teodoro S. Kaufman Diastereoselective alkoxymethylation of aromatic aldehydes withchiral lithiomethyl ethers. Synthesis of optically active monoprotected glycols

1338

Agnes M. Modro, Tom A. Modro, Malose J. Mphahlele, Wieslawa Perlikowska, André Pienaar, Marcelo Sales,and Petrus H. van Rooyen Reaction of carbanions generated from arylmethylphosphonates with cyclic enones.Regio- and stereoselectivity of addition

1344

Herbert Höpfl, Mario Sánchez, Norberto Farfán, and Victor Barba Synthesis and comparative study of threemonomeric boronates by spectroscopic methods and X-ray crystallography

1352

Ellie L. Uzunova, Dimitar G. Klissurski, and Stella D. Nemska Surface studies of nano-dimensional particle sizeiron–manganese spinel mixed oxides

1361

Ralph M. Paroli, Denis F.R. Gilson, and Ian S. Butler Spectroscopic and differential scanning calorimetricstudies of the phase transitions in oxanorbornane

1365

Michael Lewis, Charles L. Barnes, and Rainer Glaser The supramolecular architecture of 4-aminoacetophenone(1-(4-fluorophenyl)ethylidene)hydrazone hydrate. Double T-contacts and extremely low-density water layers in amixed azine

1371

Ian R. Baird, Steven J. Rettig, Brian R. James, and Kirsten A. Skov Synthesis and characterization ofhomoleptic ruthenium(II) imidazole complexes, and a carbonyl species derived by CO abstraction from DMF

1379

Igor L. Shamovsky, Gregory M. Ross, Richard J. Riopelle, and Donald F. Weaver Molecular modelling studiesof a nerve growth factor receptor

1389

Gustavo A. Arteca and Denise I. Caughill Temperature dependence of self-entanglements in protein backbonesnear the glass-like transition

1402

Laurence J. Beach, Raymond J. Batchelor, Frederick W.B. Einstein, and Andrew J. Bennet General base-catalyzed hydrolysis and carbonyl-18O exchange ofN-(4-nitrobenzoyl)pyrrole

1410

Juan Antonio González, I. García de la Fuente, and J.C. CobosDISQUAC structure-dependent interactionparameters for mixtures containingsec-alkanols and benzene, toluene, orn-alkanones

1418

Harry W. Gibson, Devdatt S. Nagvekar, Yadollah Delaviz, and William S. Bryant Synthesis of a new class ofdifunctional tetraphenylene crown ethers

1429

John M. Goodings and QingFeng Chen Chemical kinetics and thermodynamics of tin ionization in H2-O2-N2flames and the proton affinity of SnO

1437

Christopher J.A. Daley, Jason A. Wiles, and Steven H. BergensApplication of [Ru((R)-BINAP)(MeCN)(1-3:5,6-h-C8H11)](BF4) as a catalyst precursor for enantioselective hydrogenations

1447

Luigi Cavallo, Tom K. Woo, and Tom Ziegler A combined QM/MM study of ligand substitution enthalpies in theL2Fe(CO)3, RuCpL2Cl, and RuCp*L2Cl systems

1457

Veranja Karunaratne and David Dolphin Oxidation of 2-methylpyrroles with perchlorinated iron(III)metalloporphyrin catalysts: a versatile synthesis of symmetric and asymmetric dipyrromethanes

1467

P.F. McGarry and J.C. Scaiano The absolute kinetics for radical addition and electronic energy transfer to[1.1.1]propellane

1474


November / Novembre

Materials Science Special IssueNuméro spécial sur la science des matériaux

ARTICLES

Sonia Moffatt, Abdellah Ajji, Bernard Lotz, and Josée Brisson Uniaxial deformation of nylon-6 and nylon-11:changes in orientation and crystal phase

1491

Michel Lafleur Phase behaviour of model stratum corneum lipid mixtures: an infrared spectroscopy investigation1501

Boyan B. Bonev and Michael R. Morrow 2H NMR studies of dipalmitoylphosphatidylcholine anddipalmitoylphosphatidylcholine–cholesterol bilayers at high pressure

1512

Jennifer F. Caplan, Christopher A. Murphy, Susan Swansburg, Robert P. Lemieux, T. Stanley Cameron, andManuel A.S. Aquino Evidence for room temperature mesomorphism in a mixed-valent diruthenium(II,III)quintapalmitoleate polymer

1520

Jimmy Lowe, Carl Bartels, and Steven Holdcroft Synthesis and properties of a sterically encumberedpoly(thienylene vinylene): poly[E-1,2-(4,4′-dihexyl-2,2′-dithienyl)ethylene]

1524

C-10 Can. J. Chem. Vol. 76, 1998

Contents C-11

Jonathan G.C. Veinot, Josie Galloro, Linda Pugliese, Valerie Bell, Robert Pestrin, and William J.Pietro Surface functionalization of cadmium sulfide quantum-confined nanoclusters. 4. Formation and reactivityof an aniline surface quantum dot

1530

Patrick W.M. Jacobs and Marcia L. Vernon Phonon dispersion and defect energies for rubidium chloride,bromide, iodide, and sulphide

1540

Ziqiang Qin, Alan R. Allnatt, and E. Loftus Allnatt Computer simulation of time correlation functions and mattertransport coefficients for a model order–disorder alloy

1548

Troy A.E. Loss, Cerrie W. Rogers, and Michael O. Wolf Composite poly(p-phenylenevinylene)–Nafion thinfilms

1554

J. Hugh Horton, Johann Rasmusson, Joseph G. Shapter, and Peter R. NortonThe adsorption ofbis(hexafluoroacetylacetonato)zinc(II) on Si(111)-7×7

1559

Fernande D. Rochon, Marius Andruh, and Robert Melanson Three-dimensional H-bonded supramolecularcomplexes. Synthesis and crystal structures of [Mn(m-bpe)(H2O)4](ClO4)2·4(bpe)·2H2O and[M( m-bpe)(bpe)2(H2O)2](ClO4)2·bpe·H2O, where M = Zn, Ni and bpe = 1,2-bis(4-pyridyl)ethane

1564

Maxime Ranger and Mario Leclerc Optical and electrical properties of fluorene-basedp-conjugated polymers 1571

William D. Machin A simple method for the generation of negative pressure in liquids 1578

A. Alavi, R.M. Lynden-Bell, P.A. Willis, I.P. Swainson, and R.J.C. Brown An ab initio and neutron diffractionstudy of ammonium chloride

1581

Allison M. Mills, Robert Lam, and Arthur Mar Ternary cobalt germanium pnictides CoGexPn1–x (Pn = P, As, Sb)and the structure of Co3Ge2Sb, an intermetallic compound with stuffed Sb2 pairs

1588

B. Heinrich, M. Kowalewski, and J.F. Cochran Engineering of magnetic properties using ultrathin metallicstructures prepared by Molecular Beam Epitaxy

1595

Faraj Asgari and Dimitris S. Argyropoulos Fundamentals of oxygen delignification. Part II. Functional groupformation/elimination in residual kraft lignin

1606

Bozena Borecka-Bednarz, Alan V. Bree, Brian O. Patrick, John R. Scheffer, and James Trotter Second-harmonic generation studies of chiral organic salts

1616

Luc Tremblay, Serge Lacelle, and Charles G. Fry Characterization of macroscopic disorder in a porous glass withNMR microimaging and scanning electron microscopy

1633

Julien Brazeau, Yanick Chénard, and Yue Zhao Orientation in stretched polymer-dispersed liquid crystals 1642

Dennis Hore, Almeria Natansohn, and Paul Rochon Irradiance and temperature dependence of photoinducedorientation in two azobenzene-based polymers

1648

F. Bensebaa, T.H. Ellis, E. Kruus, R. Voicu, and Y. Zhou The self-assembly of a layered material:metal–alkanethiolate bilayers

1654

Garry S.H. Lee, Christopher I. Ratcliffe, and John A. Ripmeester A solid state31P NMR study of the synthesisof phosphorus sulfides from PCl3 and H2S in microporous materials

1660

M. Di Renzo, F. El Feninat, B. Jiménez-Esquivel, S. Poulin, M. Yavari, J. Xu, T.H. Ellis, E. Kruus, E. Sacher,and I. Stangel Adhesion to dentin: studies of surface chemical reactions towards the goal of improved bonding

1668

P. Bernazzani, V.T. Bich, H. Phuong-Nguyen, A. Haine, C. Chapados, Lê H. Dao, and G. DelmasFTIRanalysis of the phase content in low-density polyethylene

1674

Jan C. Myland, Keith B. Oldham, Jörg Schiewe, and Alicia L. Taylor Electrochemical study of the porestructure of sandstone and similar media

1688

Mary Anne White Origins of thermodynamic stability of urea:alkane inclusion compounds 1695

Jonathan Z. Knaul, Mohammad R. Kasaai, V. Tam Bui, and Katherine A.M. Creber Characterization ofdeacetylated chitosan and chitosan molecular weight review

1699

I. Coulthard, S. Degen, Y.-J. Zhu, and T.K. Sham Gold nanoclusters reductively deposited on porous silicon:morphology and electronic structures

1707

Kalaichelvi Saravanamuttu, Xin Min Du, S. Iraj Najafi, and Mark P. Andrews Photoinduced structuralrelaxation and densification in sol-gel-derived nanocomposite thin films: implications for integrated optics devicefabrication

1717

Mathew D. Halls and Ricardo Aroca Vibrational spectra and structure of tris(8-hydroxyquinoline)aluminum(III) 1730

G.R. Carlow and M. Zinke-Allmang Initial stages of cobalt-disilicide formation in mesotaxy 1737

Christine Pizzocaro, Roger A. Lessard, and Michèle Bolte Charge-transfer phenomena in holographic recordingmaterial: dichromated poly(acrylic acid)

1746

Christopher B. Kennedy, Bruce J. Balcom, and Igor V. Mastikhin Three-dimensional magnetic resonanceimaging of rigid polymeric materials using single-point ramped imaging withT1 enhancement (SPRITE)

1753

Chi Ming Yam, Adam Dickie, Aramice Malkhasian, Ashok K. Kakkar, and M.A. Whitehead Molecular self-assembly of rigid-rod alkynyl chromophores on inorganic oxide surfaces

1766

Kazunaga Horiuchi, Yahya Rharbi, Ahmad Yekta, Mitchell A. Winnik, Richard D. Jenkins, andDavid R. Bassett Dissolution behavior in water of a model hydrophobic alkali-swellable emulsion (HASE)polymer with C20H41 groups

1779


December / Décembre

ARTICLES

Wolfgang Kliegel, Ulf Riebe, Steven J. Rettig, and James Trotter Reaction of ketoximes with aliphatic aldehydesand diphenylborinic acid. Crystal and molecular structure of a diphenylboron chelate derived from the pivaldehydeadduct to cyclohexanone oxime

1789

K. Shimizu, B.J. Flinn, P.C. Wong, and K.A.R. Mitchell SIMS studies of the effect of H at interfaces formed byoxidized zirconium

1796

Peter N. Preston, Steven J. Rettig, Alan Storr, and James Trotter Coordination complexes derived from3,6-di(2-pyridyl)-1,4-dihydro-1,2,4,5-tetrazine (DPDHT). Synthesis and molecular structure of [(DPT)(GaMe2)2]

1800

L. Ross C. Barclay, Jennifer K. Grandy, Heather D. MacKinnon, Heather C. Nichol, andMelinda R. Vinqvist Peroxidations initiated by lignin model compounds: investigating the role of singlet oxygenin photo-yellowing

1805

Leif A. Eriksson, C. Magnus Jansson, Donald R. Arnold, and Russell J. Boyd Cleavage of neutral alkenes andalkene radical cations; hybrid Hartree–Fock/density functional theory results

1817

Ivor Wharf, Ryszard Wojtowski, Carol Bowes, Anne-Marie Lebuis, and Mario Onyszchuk Spectroscopicstudies of triphenyltin azide and of its adducts withO- andN-donor ligands; the crystal and molecular structures oftriphenyltin azide and of azido(hexamethylphosphoramide)triphenyltin(IV)

1827

G. Kalita, N.N. Dass, and S. Mahiuddin Mixed anion effect in sodium thiocyanate + sodium thiosulfate + watersystems

1836

Fernande D. Rochon, Robert Melanson, and Margaret M. Kayser Crystal structures of highly stabilized ylides:methyl(3-methoxy,2-methoxycarbonylbenzoyl)triphenylphosphoranylideneacetate and methyl(2-methoxycarb-onyl,6-nitrobenzoyl)triphenylphosphoranylideneacetate and the salt methyl(triphenylphosphoranylidene)acetatetetrafluoroborate

1844

Herbert Höpfl and Norberto Farfán Synthesis and structural characterization of (2′-hydroxyacetophenoneazine)mono(diphenylboron)chelate

1853

Mohamed M. El-Banna and Mervette M. El-Batouti Temperature dependence of the excess volumes of binarymixtures containing cyclohexane + some highern-alkanes

1860

A. Ahrika, M. Anouti, J.E. Robert, and J.L. Paris Spectroelectrochemical study of the nucleophilic substitutionof diacyl disulfides by 2-nitrophenyl thiolate ions inN,N-dimethylacetamide

1867

N. Kopytko et F. Baronnet Valorisation chimique du méthane par plasmas micro-ondes 1875

Lionel Roué, Emmanuel Briot et Fethi Bedioui Synthèse critique de la caractérisation électrochimique dezéolithes et d’aluminophosphates chimiquement modifiés

1886

Robert A. McClelland, Victoria E. Licence, John P. Richard, Kathleen B. Williams, andShrong-Shi Lin Remarkable kinetic stability ofa-thiocarbamoyl substituted 4-methoxybenzyl cations

1910

Shigetaka Yakabe, Masao Hirano, and Takashi Morimoto Alumina-assisted reduction of carbonyl compoundswith sodium borohydride in hexane

1916

C-12 Can. J. Chem. Vol. 76, 1998

Contents C-13

Nouria A. Al-Awadi, Kamini Kaul, and Osman M.E. El-Dusouqui Gas-phase pyrolysis in organic synthesis. Part2. Novel rearrangement of esters and ethers into aryl ketones

1922

COMMUNICATION

Heidi M. Muchall and Nick H. Werstiuk A computational study on the sources of deuterium secondary kineticisotope effects in carbocation-forming reactions

1926


A. Rauk, J.L. McCann, H. Wieser, P. Bour, I.V. Vystorop, Yu.I. El’natanov, andR.G. Kostyanovsky Additions and corrections: Skeletal vibrational circular dichroism of a series of bicyclicdilactones: the fingerprint region?

1931

Carmen E. Hernández and William E. Acree, Jr. Additions and corrections: Solubility of fluoranthene in organicnonelectrolyte solvents. Comparison of observed versus predicted values based upon Mobile Order theory

1931


Contents for volume 76 / Sommaire pour volume 76 C-1

contents / sommaire volume 76, 1998

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