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Front cover pg X001; DOI: 10.1039/P298900FX001 |
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Contents pages pg P001; DOI: 10.1039/P298900FP001 |
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Allowed conformations for protonated and unprotonated lidocaine: three-dimensional isopotential energy surfaces Nagarajan Pattabiraman Robert Langridge and Laurine A. LaPlanche pg 1; DOI: 10.1039/P29890000001 |
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Back cover pg X003; DOI: 10.1039/P298900BX003 |
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Multiple structure–reactivity relationships for a Menschutkin-type SN2 reaction Soo-Dong Yoh Yuho Tsuno Mizue Fujio Masami Sawada and Yasuhide Yukawa pg 7; DOI: 10.1039/P29890000007 |
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Aromatic nitration in aqueous nitric acid David J. Belson and Alec N. Strachan pg 15; DOI: 10.1039/P29890000015 |
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Amidines. Part 28. Influence of substitution at the amidino carbon atom on the sensitivity to substitution at the imino nitrogen atom. pKa Values of N1N1-dimethylbenzamidines Janusz Oszczapowicz and Waldemar Krawczyk pg 21; DOI: 10.1039/P29890000021 |
Kinetics and thermodynamics of the structural transformations of thiamine in basic aqueous media. Part 3. Interpretation of the lability of the 2-proton via an intramolecular  -adductJean Michel El Hage Chahine and Jacques Emile Dubois pg 25; DOI: 10.1039/P29890000025 |
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Spectroscopic studies on the polymerization of benzimidazole with metallic copper Gi Xue Juengfong Zhang Gaoquan Shi Yipei Wu and Biao Shuen pg 33; DOI: 10.1039/P29890000033 |
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A new MINDO/3 study of rearrangements in barbaralyl cations J. Bella J. M. Poblet A. Demoulliens and F. Volatron pg 37; DOI: 10.1039/P29890000037 |
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Electroactive poly(amino acids). Part 1. Modified electrodes from platinum with an adsorbed film of poly(N?-4-nitrobenzoyl-L-lysine) Ajit M. Abeysekera James Grimshaw Sarath D. Perera and David Vipond pg 43; DOI: 10.1039/P29890000043 |
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The role of the ligand in chrysotherapy: a kinetic study of 199Au- and 35S-labelled myocrisin and auranofin Stephanie M. Cottrill Harbans L. Sharma David B. Dyson R. V. Parish and Charles A. McAuliffe pg 53; DOI: 10.1039/P29890000053 |
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Brnsted exponents and activated-complex structure: an AM1 SCF-MO theoretical simulation of a rate–equilibrium correlation for transfer of the methoxycarbonyl group between isoquinoline and substituted pyridines Robert B. Hammond and Ian H. Williams pg 59; DOI: 10.1039/P29890000059 |
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Kinetic studies of the effect of substituents on the strength of the internal hydrogen bond in salicylate ions Frank Hibbert and Karen J. Spiers pg 67; DOI: 10.1039/P29890000067 |
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The cyclisation of geraniol in superacids Graham Carr Christopher Dean and David Whittaker pg 71; DOI: 10.1039/P29890000071 |
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Kinetic studies of the pH dependence of the decomposition of 3,7-dinitro-1,3,5,7-tetra-azabicyclo[3.3.1]nonane (DPT) and related compounds Aidan P. Cooney Michael R. Crampton John K. Scranage and Peter Golding pg 77; DOI: 10.1039/P29890000077 |
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Crystal-state structures of Boc-Pro-Leu-Gly-NH2, hemihydrate and two lactam-restricted analogues Giovanni Valle Marco Crisma Claudio Toniolo Kuo-Long Yu and Rodney L. Johnson pg 83; DOI: 10.1039/P29890000083 |
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Intramolecular acyl transfer between ester and amide groups in 1-acyloxy-8-acylaminonaphthalene-3,6-disulphonates Neil E. Briffett and Frank Hibbert pg 89; DOI: 10.1039/P29890000089 |
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Double-bond fixation in tricyclopenta[cd,f,h]azulene and its higher homologues Azumao Toyota and Masahiro Kataoka pg 93; DOI: 10.1039/P29890000093 |
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An electron spin resonance investigation of the 2-pivaloyl-1,4-benzoquinone radical anion Nicholas J. Flint and Brian J. Tabner pg 97; DOI: 10.1039/P29890000097 |
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Non-linear optical properties of organic molecules. Part 8. Dipole moments and hyperpolarisabilities of some substituted azulenes and aza-azulenes John O. Morley pg 103; DOI: 10.1039/P29890000103 |
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Instructions for authors (1989) pg v; DOI: 10.1039/P2989000000v |
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IUPAC publications on nomenclature and symbolism pg xx; DOI: 10.1039/P298900000xx |
Issue 2
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Front cover pg X005; DOI: 10.1039/P298900FX005 |
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Contents pages pg P005; DOI: 10.1039/P298900FP005 |
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Back cover pg X007; DOI: 10.1039/P298900BX007 |
Spectroscopic study of molecular associations between riboflavin and some  -carboline derivativesArmando Codoñer Isidro S. Monzó Carlos Ortiz and Amparo Olba pg 107; DOI: 10.1039/P29890000107 |
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Solid-state stereochemistry of nefopam hydrochloride, a benzoxazocine analgesic drug Robert Glaser Gernot Frenking Gilda H. Loew David Donnell Shmuel Cohen and Israel Agranat pg 113; DOI: 10.1039/P29890000113 |
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Selective aromatic chlorination and bromination with N-halogeno amines in acidic solution Francesco Minisci Eelena Vismara Francesca Fontana Eduardo Platone and Giovanni Faraci pg 123; DOI: 10.1039/P29890000123 |
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Effect of the nature of the starting aromatic ring on the cyclization of o-nitroaryl azides: kinetic and thermodynamic studies of the conversion of two azido(methoxycarbonyl)nitrothiophenes into methoxycarbonylthienofurazan oxides Renato Noto Rosina Rainieri and Caterina Arnone pg 127; DOI: 10.1039/P29890000127 |
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Structures and energies of the lithiated silanes Jerzy Moc Zdzis  aw Latajka Jerzy M. Rudzi ski Henryk Ratajczak and Maria M. Szcze niak pg 131; DOI: 10.1039/P29890000131 |
Synthesis, molecular, and crystal structure of a new, unexpected polycyclic system: 5,12:10,12-dimethano-12H-pyrazolo[3,4-b]pyrazolo[4 ,3:6,7]azapino[2,3-f]azocineGiuseppe Daidone Vincenzo Sprio Salvatore Plescia Maria L. Marino Gabriella Bombieri and Giuseppe Bruno pg 137; DOI: 10.1039/P29890000137 |
Photoelectron spectroscopy and ab-initio study of the conformation of  -ethylthioacetophenonesRenzo Bertoncello Gaetano Granozzi Paulo R. Olivato Sandra A. Guerrero and Giuseppe Distefano pg 143; DOI: 10.1039/P29890000143 |
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Electron spin resonance spectra and structure of the radical cations of 1,3-dichloropropane and other dichloroalkanes Akinori Hasegawa Martyn C. R. Symons and Masaru Shiotani pg 147; DOI: 10.1039/P29890000147 |
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Aminolysis of oxime ethers in protic and aprotic solvents Ajay K. Jain Anurag Kumar and Kula N. Sarma pg 153; DOI: 10.1039/P29890000153 |
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Regioselectivity in the addition reactions of alkoxyxenon fluorides with indene Dale F. Shellhamer Steven L. Carter Robert H. Dunham Stuart N. Graham Mark P. Spitsbergen Victor L. Heasley Robert D. Chapman and Melvin L. Druelinger pg 159; DOI: 10.1039/P29890000159 |
Rate–equilibrium relationships based on the CH-acidity constants of oxocarbenium ions, for proton transfer from hydronium ion to  -methoxystyrenes: evidence for perfect synchronization between bond cleavage, bond formation, and positive-charge delocalizationJean Toullec pg 167; DOI: 10.1039/P29890000167 |
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Non-perfect synchronisation of -scission with product stabilisation in radical ring-opening reactions John C. Walton pg 173; DOI: 10.1039/P29890000173 |
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Reactions of N-heteroaromatic bases with nitrous acid. Part 9. Kinetics of the nitrosation of 1-methyl-3- and 1-methyl-4-methylaminopyridinium perchlorate in aqueous perchloric acid and 13C nuclear magnetic resonance spectra of 1-methyl-4-alkylamino-substituted pyridinium ions Evangelos Kalatzis and Leonidas Kiriazis pg 179; DOI: 10.1039/P29890000179 |
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Simulation of irreversible cyclization of bifunctional chains. A computer-aided approach to the synthesis of many-membered rings and to the evaluation of effective molarities by preparative experiments Gianfranco Ercolani and Paolo Mencarelli pg 187; DOI: 10.1039/P29890000187 |
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An investigation into the mechanism of the phthalonitrile route to copper phthalocyanines using differential scanning calorimetry Robert M. Christie and Derek D. Deans pg 193; DOI: 10.1039/P29890000193 |
Issue 3
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Front cover pg X009; DOI: 10.1039/P298900FX009 |
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Contents pages pg P009; DOI: 10.1039/P298900FP009 |
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Back cover pg X011; DOI: 10.1039/P298900BX011 |
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Intramolecular general base catalysis and the rate-determining step in the nucleophilic cleavage of ionized phenyl salicylate with primary and secondary amines Mohammad Niyaz Khan pg 199; DOI: 10.1039/P29890000199 |
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Simulation of the interconversion path between stable conformations of the furanose ring: methyl -D-2-deoxyribofuranoside and simpler ribose and deoxyribose analogues Pawel Herzyk and Andrzej Rabczenko pg 209; DOI: 10.1039/P29890000209 |
Crystal structure and quantum electronic analyses of pitrazepin, a  -aminobutyric acid (GABA) receptor antagonistThierry Boulanger Daniel P. Vercauteren Guy Evrard and François Durant pg 217; DOI: 10.1039/P29890000217 |
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Studies on clavulanic acid. Part 1. Stability of clavulanic acid in aqueous solutions of amines containing hydroxy groups Javier Martin Rosa Méndez and Teresa Alemany pg 223; DOI: 10.1039/P29890000223 |
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Studies on clavulanic acid. Part 2. The catalytic effect of metal ions on the hydrolysis of clavulanic acid Javier Martin Rosa Méndez and Francisco Salto pg 227; DOI: 10.1039/P29890000227 |
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Co-operative catalysis of the cleavage of an amide by neighbouring carboxy group in alkaline medium Mohammad Niyaz Khan pg 233; DOI: 10.1039/P29890000233 |
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An electron spin resonance study of the radical cations of pyrroles, furans, and thiophenes in liquid solution Alwyn G. Davies Luis Julia and Safieh N. Yazdi pg 239; DOI: 10.1039/P29890000239 |
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The complexation of estrogens and tetralins in the cavities of azoniacyclophanes. A 1H and 13C nuclear magnetic resonance spectroscopic study Surat Kumar and Hans-Jörg Schneider pg 245; DOI: 10.1039/P29890000245 |
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Reactions of trichloromethyl anions with diformylbenzenes. Estimation of Hammett substituent constants of the formyl, trichloroacetyl, and 2,2,2-trichloro-1-hydroxyethyl groups Wasfy N. Wassef and Nadia M. Ghobrial pg 251; DOI: 10.1039/P29890000251 |
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The electronic structure of heteroaromatic molecules. Part 1. Six-membered rings David L. Cooper Stuart C. Wright Joseph Gerratt and Mario Raimondi pg 255; DOI: 10.1039/P29890000255 |
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The electronic structure of heteroaromatic molecules. Part 2. Five-membered rings David L. Cooper Stuart C. Wright Joseph Gerratt and Mario Raimondi pg 263; DOI: 10.1039/P29890000263 |
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Kinetics and mechanism of the sodium–ammonia reduction of 2,2,4,4-tetramethylpentan-3-one Woo M. Song and Robert R. Dewald pg 269; DOI: 10.1039/P29890000269 |
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Photochemistry of cyclohepta-1,3-diene and cyclohepta-1,3,5-triene. Photochemical formation and chemical reactivity of the strained trans-isomer Yoshihiko Daino Shoji Hagiwara Tadao Hakushi Yoshihisa Inoue and Akira Tai pg 275; DOI: 10.1039/P29890000275 |
Comparison of the reaction of  OH and of SO4– radicals with pyrimidine nucleosides. An electron spin resonance study in aqueous solutionKnut Hildenbrand Günter Behrens Dietrich Schulte-Frohlinde and Janko N. Herak pg 283; DOI: 10.1039/P29890000283 |
Issue 4
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Front cover pg X013; DOI: 10.1039/P298900FX013 |
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Contents pages pg P013; DOI: 10.1039/P298900FP013 |
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Back cover pg X015; DOI: 10.1039/P298900BX015 |
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Rotational isomerism in 1,2-dinitro-1,2-diphenylethane and 2,3-dinitro-2,3-diphenylbutane Lawrence H. L. Chia Bee Geok Tan and Hsing Hua Huang pg 291; DOI: 10.1039/P29890000291 |
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Facile aerial oxidation of a porphyrin. Part 4. Unsymmetrical meso-tetra aryl porphyrins with 3,5-di-t-butyl-4-hydroxyphenyl and 4-hydroxyphenyl substituents Lionel R. Milgrom Nasrin Mofidi Christopher C. Jones and Anthony Harriman pg 301; DOI: 10.1039/P29890000301 |
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1,4-Diamino-and 1,4-dibutylamino-anthraquinones: reduction and/or deprotonation-initiated elimination of the butyl groups in dipolar aprotic media Agnès Anne pg 311; DOI: 10.1039/P29890000311 |
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Fused heterocycles. Part 3. Synthesis and stereochemistry of benzopyrano and benzothiapyrano-[4,3-c]pyrazoles Gábor Tóth Áron Szöllösy Tamás Lóránd Tibor Kónya Dezsö Szabó András Földesi and Albert Lévai pg 319; DOI: 10.1039/P29890000319 |
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Nuclear magnetic resonance spectra of heterocycles. Analysis of carbon-13 spectra of thioxanthenones using calculated chemical shifts, substituent constants, and PRDDO molecular-orbital calculations John S. Harwood Dennis S. Marynick and Andrew L. Ternay Jr. pg 325; DOI: 10.1039/P29890000325 |
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Kinetics and mechanism of the reaction between carbon dioxide and amines in aqueous solution John E. Crooks and J. Paul Donnellan pg 331; DOI: 10.1039/P29890000331 |
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Conformational analysis of halochamigrene derivatives by 1H dynamic nuclear magnetic resonance experiments and molecular-mechanics calculations. An unusually high barrier for the 6-methylenecyclohex-2-en-1-one ring inversion Makoto Segawa Minoru Suzuki Etsuro Kurosawa Haruhisa Shirahama Mitsuhiko Ikura and Kunio Hikichi pg 335; DOI: 10.1039/P29890000335 |
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Nitrosation by alkyl nitrites. Part 3. Reactions with cysteine in water in the pH range 6–13 Hanif M. S. Patel and D. Lyn H. Williams pg 339; DOI: 10.1039/P29890000339 |
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Carbanion nitrosation. Reaction of malononitrile with nitrous acid Emilia Iglesias and D. Lyn H. Williams pg 343; DOI: 10.1039/P29890000343 |
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Intramolecular nucleophilic attack by urea nitrogen. Reactivity–selectivity relationships for the general acid–base catalysed cyclisations of ureido acids and esters Iva B. Blagoeva Ivan G. Pojarlieff Denis T. Tashev and Anthony J. Kirby pg 347; DOI: 10.1039/P29890000347 |
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Circular dichroism studies of optically active 1,3-dioxolan-4-ones in the vacuum ultraviolet region Aharon Gedanken and Tadeusz Po oski pg 355; DOI: 10.1039/P29890000355 |
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Cyclic ether formation in superacid media Graham Carr and David Whittaker pg 359; DOI: 10.1039/P29890000359 |
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A theoretical MNDO and AM1 SCF-MO study of dihydrogen elimination reactions Dimitris K. Agrafiotis and Henry S. Rzepa pg 367; DOI: 10.1039/P29890000367 |
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Redox-active films of ferrocene covalently attached to polypyrrole Jeffrey G. Eaves Rasoul Mirrazaei David Parker and Hugh S. Munro pg 373; DOI: 10.1039/P29890000373 |
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Intramolecular catalysis of the hydrolysis of an acetal by an internally hydrogen-bonded hydroxy group Frank Hibbert and Karen J. Spiers pg 377; DOI: 10.1039/P29890000377 |
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Corrigenda Vikram Paul Brian P. Roberts George Ferguson Christopher Glidewell Ian Gosney Douglas Lloyd Shirley Metcalfe Henri Lumbroso Mala Gupta Swapan K. Saha and Pradyot Banerjee pg 381; DOI: 10.1039/P29890000381 |
Issue 5
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Front cover pg X017; DOI: 10.1039/P298900FX017 |
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Contents pages pg P017; DOI: 10.1039/P298900FP017 |
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Back cover pg X019; DOI: 10.1039/P298900BX019 |
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A new method for the synthesis of zinc tetrakis-(3-methylpyridyloxy)phthalocyanine and the physical properties of dimers formed by complexation of the cationic phthalocyanine with anionic porphyrins Serge Gaspard and Thu-Hoa Tran-Thi pg 383; DOI: 10.1039/P29890000383 |
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Electro-organic synthesis and X-ray crystal structure of the novel complex 2,7-dimethyl-6,8-bis(methylthio)pyrrolo[1,2-a]pyrazinium tri-iodomercurate(II) Claude Vaccher Pascal Berthelot Michel Debaert André Darchen Jean Louis Burgot Guy Evrard and François Durant pg 391; DOI: 10.1039/P29890000391 |
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Nucleophilic addition of amines to the activated ethylene bond. Part 3. Kinetics and mechanism of the addition of amines to trans-(2-furyl)nitroethylene Anatoly F. Popov Igor F. Perepichka and Leonid I. Kostenko pg 395; DOI: 10.1039/P29890000395 |
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Modelling of micellar effects upon substitution reactions with moderately concentrated hydroxide ion Raimondo Germani Paolo Ponti Gianfranco Savelli Nicoletta Spreti Clifford A. Bunton and John R. Moffatt pg 401; DOI: 10.1039/P29890000401 |
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Molecular structure analysis of benzamide neuroleptics. Part 13. A tropapride sulphonamidic analogue C15H22N3O3SCl Sonia Collin Daniel P. Vercauteren Guy Evrard and François Durant pg 407; DOI: 10.1039/P29890000407 |
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Relative stability of isomeric methyl nitrate cations (CH3NO3)H+ Fernando Bernardi Fulvio Cacace and Felice Grandinetti pg 413; DOI: 10.1039/P29890000413 |
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Oxidation of tertiary amines by chromium(VI) oxide diperoxide Francesco Ciminale Michele Camporeale Rossella Mello Luigino Troisi and Ruggero Curci pg 417; DOI: 10.1039/P29890000417 |
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A new approach of aromatic solvent-induced shifts (ASIS) in 13C n.m.r. spectroscopy for solving stereochemical problems in some carbonyl compounds Shinichi Ueji Masayuki Kitadani Makiko Sugiura Narao Takao and Toshifumi Miyazawa pg 425; DOI: 10.1039/P29890000425 |
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Structural studies on bio-active compounds. Part 11. Molecular modelling, crystallographic, and biochemical studies of the interactions of ()--vinylserine with the enzyme serine hydroxymethyltransferase Saul J. B. Tendler Carl H. Schwalbe Michael D. Threadgill Michael J. Tisdale and LaVerne Schirch pg 431; DOI: 10.1039/P29890000431 |
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Solvent effects resulting from frontier molecular-orbital interactions. Part 2. The Diels–Alder reaction between 5-substituted 1,4-naphthoquinones and 2,3-dimethylbutadiene Giovanni Desimoni Giuseppe Faita Pierpaolo Righetti Nicola Tornaletti and Massimo Visigalli pg 437; DOI: 10.1039/P29890000437 |
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Hydrolysis and first ionization constant of monoperoxyphthalic acid Peter Jones Max L. Haggett Dennis Holden Peter J. Robinson John O. Edwards Steven J. Bachofer and Yuiko T. Hayden pg 443; DOI: 10.1039/P29890000443 |
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Structural and electronic properties of anticonvulsant drugs: substituted 3-tertiary-amino-6-aryl-pyridazines, -1,2,4-triazines, and -pyrimidines Guy Georges Daniel P. Vercauteren Guy Evrard and François Durant pg 449; DOI: 10.1039/P29890000449 |
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Solvent effects of dipolar substituents in close proximity to a charged reaction centre Allan D. Headley pg 457; DOI: 10.1039/P29890000457 |
The reaction between N-methyl-p-toluohydroxamic acid and tervalent phosphorous compounds: a thermal PIII PV rearrangement proceeding by a radical mechanismMalcom R. Banks and Robert F. Hudson pg 463; DOI: 10.1039/P29890000463 |
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X-Ray crystallographic and theoretical studies of factors affecting the ease of reduction of dioxathiadiazaheteropentalenes Patrick Camilleri Henry S. Rzepa Alexandra M. Z. Slawin and David J. Williams pg 469; DOI: 10.1039/P29890000469 |
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A theoretical MNDO and AM1 SCF-MO study of dihydrogen transfer reactions Dimitris K. Agrafiotis and Henry S. Rzepa pg 475; DOI: 10.1039/P29890000475 |
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Eliminations from (E)-O-arylbenzaldehyde oximes promoted by hydroxide in 60% aq. Dimethyl sulphoxide. Mechanism and transition-state characteristics of nitrile-forming eliminations Bong Rae Cho Jong Chan Lee Nam Soon Cho and Kee Dong Kim pg 489; DOI: 10.1039/P29890000489 |
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The mechanism of liquid-phase catalytic hydrogenation of the olefinic double bond on supported nickel catalysts Felipa M. Bautista Juan M. Campelo Angel Garcia Rafael Guardeño Diego Luna and Jose M. Marinas pg 493; DOI: 10.1039/P29890000493 |
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A spectrophotometric study of the tautomeric monoanions of (Z)-5-arylmethylenehydantoins Sau-Fun Tan Kok-Peng Ang Gee-Fung How and Harilakshmi Jayachandran pg 499; DOI: 10.1039/P29890000499 |
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Efficient Wittig–Horner synthesis of acyclic -enones with an asymmetric carbon at the -position using barium hydroxide Carlos Alvarez Ibarra Selma Arias Maria J. Fernández and José V. Sinisterra pg 503; DOI: 10.1039/P29890000503 |
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Electronic structure of Friedel-Crafts catalysts, an ab initio study of the RF-BF3 adducts Arturo Arnau Juan Bertrán and Estanislao Silla pg 509; DOI: 10.1039/P29890000509 |
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A study of the thermal racemisation of (–)-3,3-diphenyl-2-(t-butyl)oxaziridine and (–)-1-chloro-2,2-diphenylaziridine in several nematic solvents using a microscopic technique Gian Piero Spada Anna Tampieri Giovanni Gottarelli Irene Moretti and Giovanni Torre pg 513; DOI: 10.1039/P29890000513 |
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Conformational study of substituted methyl phenyl sulphoxides. A multinuclear (1H, 13C, and 17O) approach Rois Benassi Ugo Folli Dario Iarossi Adele Mucci Luisa Schenetti and Ferdinando Taddei pg 517; DOI: 10.1039/P29890000517 |
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13C Spin-lattice relaxation times of piperidines. Molecular motions and interactions with solvents Torei Sai Makiko Sugiura Narao Takao and Hideaki Fujiwara pg 523; DOI: 10.1039/P29890000523 |
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-Diketone interactions. Part 8. The hydrogen bonding of the enol tautomers of some 3-substituted pentane-2,4-diones John Emsley Lewina Y. Y. Ma Paul A. Bates Majid Motevalli and Michael B. Hursthouse pg 527; DOI: 10.1039/P29890000527 |
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Internal and external heavy-atom effects on the photolysis of 1-benzyloxy-2-pyridone Tadamitsu Sakurai Takashi Obana Tatsuya Inagaki and Hiroyasu Inoue pg 535; DOI: 10.1039/P29890000535 |
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Homolytic reactions of ligated boranes. Part 11. Electron spin resonance studies of radicals derived from primary amine–boranes J. Nicholas Kirwan and Brian P. Roberts pg 539; DOI: 10.1039/P29890000539 |
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Structure of the trans-dimer of 2,6-di-isopropylnitrosobenzene Brian G. Gowenlock and Kevin J. McCullough pg 551; DOI: 10.1039/P29890000551 |
Issue 6
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Front cover pg X021; DOI: 10.1039/P298900FX021 |
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Contents pages pg P021; DOI: 10.1039/P298900FP021 |
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Back cover pg X023; DOI: 10.1039/P298900BX023 |
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The reaction of the CCl3O2 radical with indoles Xinhua Shen Johan Lind Trygve E. Eriksen and Gábor Merényi pg 555; DOI: 10.1039/P29890000555 |
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Empirical correlations of partial molar volumes at infinite dilution of organic solutes and transition states for SN2 hydrolysis and ethanolysis of n-alkyl bromides Hidenori Itsuki Mikizo Kuwabara Kouji Hayase and Seiji Terasawa pg 563; DOI: 10.1039/P29890000563 |
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Addition and redox processes in the reaction of Grignard reagents with 1,4-dinitrobenzene. Factors affecting product distribution Giuseppe Bartoli Renato Dalpozzo and Loris Grossi pg 573; DOI: 10.1039/P29890000573 |
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Gas-phase pyrolytic reactions. Rate data for pyrolysis of N-t-butylthioacetamide and N-acetylthioacetamide: role of polarity of transition state and -carbonyl group protophilicity Nouria A. Al-Awadi Rasha F. Al-Bashir and Osman M. E. El-Dusouqui pg 579; DOI: 10.1039/P29890000579 |
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Conformations of 1,3,5-triaryl-1,3,5-triazacyclohexanes: comparison of the o-, m-, and p-fluorophenyl compounds Ahcene Bouchemma Peter H. McCabe and George A. Sim pg 583; DOI: 10.1039/P29890000583 |
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Fragmentation of methyl hydrogen -hydroxyiminophosphonates to monomeric methyl metaphosphate: stereochemistry and mechanism Jehoshua Katzhendler Rafik Karaman Dan Gibson Eli Breuer and Haim Leader pg 589; DOI: 10.1039/P29890000589 |
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Divergent thermal behaviour of phenoxymethyl phenyl sulphoxide under gas and condensed-phase conditions Malcolm R. Banks Angus R. Brown Donald K. Cameron Ian Gosney and J. I. G. Cadogan pg 595; DOI: 10.1039/P29890000595 |
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Crystal structure of tolazoline hydrochloride (priscoline), an -adrenergic antagonist Sutapa Ghose and Jiban K. Dattagupta pg 599; DOI: 10.1039/P29890000599 |
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Structural effects and transition state acidities in the hydrolysis of 2-aryloxytetrahydrofurans by concerted proton transfer; shortcuts to the Brnsted coefficient Markku Lahti Rauno Lindström and Harri Lönnberg pg 603; DOI: 10.1039/P29890000603 |
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Electrochemical determination of new Hammett constants corresponding to PhSe, PhTe, Se–, and Te– substituents Rita Prest and Chantal Degrand pg 607; DOI: 10.1039/P29890000607 |
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Crystal and molecular structure of pyrylium salts. Part 1. Crystal and molecular structure of 2,6-diphenyl-4-(2-phenylpropan-2-yl)pyrylium perchlorate and aromaticity of the pyrylium ring Maria Gdaniec Iloma Turowska-Tyrk and Tadeusz Marek Krygowski pg 613; DOI: 10.1039/P29890000613 |
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Reduction of aromatic nitro compounds with 2-mercaptoethanol and oxidation of thiophenol with molecular oxygen mediated by trinuclear iron acetate complexes Satoru Murata Masahiro Miura and Masakatsu Nomura pg 617; DOI: 10.1039/P29890000617 |
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Effects of anionic micelles on intramolecular general base-catalysed aminolysis of phenyl and methyl salicylates Mohammad Niyaz Khan Mohammad Dahiru and Janaidu Naaliya pg 623; DOI: 10.1039/P29890000623 |
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Kinetics and thermodynamics of the formation of inclusion complexes between cyclodextrins and DNA-intercalating agents. Inclusion of ellipticine in -cyclodextrin Jean Michel El Hage Chahine Jean-Pierre Bertigny and Marc-Antoine Schwaller pg 629; DOI: 10.1039/P29890000629 |
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Kinetics and mechanism of the aminolysis of S-ethoxycarbonyl O-ethyl dithiocarbonate and related pyrothiocarbonates Enrique A. Castro Noemí E. Alvarado Sergio A. Peña and José G. Santos pg 635; DOI: 10.1039/P29890000635 |
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The syn conformers of several 2,11-dithia[3.3](1,4)naphthalenometacyclophanes: novel preference for a conformation with parallel benzenoid rings from direct confrontation of two different modes of non-bonding interaction Yee-Hing Lai pg 643; DOI: 10.1039/P29890000643 |
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X-Ray, n.m.r., and theoretical studies of the structures of (ethylthio)bullvalene Peter Luger and Klaus Roth pg 649; DOI: 10.1039/P29890000649 |
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Electron spin resonance spectra and structure of the radical cations of dibromoalkanes and monobromoalkanes Akinori Hasegawa Martyn C. R. Symons and Maseru Shiotani pg 657; DOI: 10.1039/P29890000657 |
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Electrophilic aromatic substitution. Part 35. Chlorination of 1,3-dinitrobenzene, 1-chloro-2,4-dinitrobenzene, and 2,4-dinitrotoluene with nitric acid and hydrogen chloride or chlorine in sulphuric acid or oleum Martin W. Melhuish and Roy B. Moodie pg 667; DOI: 10.1039/P29890000667 |
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Reactions of 1-X-2,4,6-trinitrobenzenes and 1-X-2,4-dinitrobenzenes with hydroxide ions. Comparison of the relative rates of nucleophilic attack at substituted and unsubstituted ring-positions Michael R. Crampton Antony B. Davis Colin Greenhalgh and J. Andrew Stevens pg 675; DOI: 10.1039/P29890000675 |
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A theoretical investigation of the intermediacy of alkylidenecarbenes and isonitriles in the formation of furans and oxazoles Seamus Malone Anthony F. Hegarty and Minh Tho Nguyen pg 683; DOI: 10.1039/P29890000683 |
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Substituent effects on the free-radical addition reactions of arylthiyl radicals with arylacetylenes Osamu Ito and Maria Daniela C. M. Fleming pg 689; DOI: 10.1039/P29890000689 |
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Crystallographic studies of intra- and inter-molecular interactions. Crystal and molecular structure of N,N-dimethyl-4-nitro-3,5-xylidine. Structural evidence against the classical through-resonance concept in p-nitroaniline and derivatives Tadeusz Marek Krygowski and Jan Maurin pg 695; DOI: 10.1039/P29890000695 |
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Hydrogen bonding. Part 7. A scale of solute hydrogen-bond acidity based on log K values for complexation in tetrachloromethane Michael H. Abraham Priscilla L. Grellier David V. Prior Philip P. Duce Jeffrey J. Morris and Peter J. Taylor pg 699; DOI: 10.1039/P29890000699 |
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Sterically hindered N-aryl pyrroles: chromatographic separation of enantiomers and barriers to racemization Jasna Vorkapi  -Fura Mladen Mintas Thomas Burgemeister and Albrecht Mannschreck pg 713; DOI: 10.1039/P29890000713 |
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The electronic structure of heteroaromatic molecules. Part 3. A comparison of benzene, borazine, and boroxine David L. Coopera Stuart C. Wright Joseph Gerratt Peter A. Hyams and Mario Raimondi pg 719; DOI: 10.1039/P29890000719 |
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Corrigendum Manthos G. Papadopoulos and John Waite pg 725; DOI: 10.1039/P29890000725 |
Issue 7
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Front cover pg X025; DOI: 10.1039/P298900FX025 |
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Contents pages pg P025; DOI: 10.1039/P298900FP025 |
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Back cover pg X027; DOI: 10.1039/P298900BX027 |
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Radical cations and anions of benzo[c]cinnolines: an electron spin resonance study Hans Fischer Franz A. Neugebauer Harish Chandra and Martyn C. R. Symons pg 727; DOI: 10.1039/P29890000727 |
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Mechanistic studies in the chemistry of thiourea. Part 1. Reaction with benzil under alkaline conditions Christopher J. Broan Anthony R. Butler David Reed and Ian H. Sadler pg 731; DOI: 10.1039/P29890000731 |
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Semi-quantitative and quantitative structure–taste relationships for carboand hetero-sulphamate (RNHSO3–) sweeteners William J. Spillane and Maryanne B. Sheahan pg 741; DOI: 10.1039/P29890000741 |
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Stereochemistry of nucleophilic reductions of 2-methyl-4-t-butylcyclohexanones. Further support for the linear combination of SSC and PSC stereochemical models Jim-Min Fang Shih-Feng Sun and Min-Hon Rei pg 747; DOI: 10.1039/P29890000747 |
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Redox reactions of organic radicals with ferrocene/ferricenium species in aqueous solution. Part 1. Radicals derived from carboxylic acids S. R. Logan pg 751; DOI: 10.1039/P29890000751 |
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Mechanism of S-nitrosation of cysteine derivatives in the pH range 6–12 using N-methyl-N-nitrosotoluene-p-sulphonamide Shirlene M. N. Y. F. Oh and D. Lyn H. Williams pg 755; DOI: 10.1039/P29890000755 |
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Nitrosation by alkyl nitrites. Part 4. S-nitrosation in acidic alcohol solvents Michael J. Crookes and D. Lyn H. Williams pg 759; DOI: 10.1039/P29890000759 |
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Alkaline hydrolysis of dibenzoylaminonaphthalenes in 70%(v/v) Me2SO–H2O and the effect of a neighbouring amide group Neil E. Briffett and Frank Hibbert pg 765; DOI: 10.1039/P29890000765 |
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Reactions of some p-substituted triphenylmethyl chlorides with alcohols, alkali-metal alcoholates, and tributylamine Gyöngyi Izsó(née Gergácz) Péter Huszthy Károly Lempert József Fetter Gyula Simig József Tamás and Judith Hegedüs-Vajda pg 769; DOI: 10.1039/P29890000769 |
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Molecular orbital and experimental studies on the photoinduced decarboxylation of pyrethroid model esters Toshiyuki Katagi Nobuyoshi Mikami Tadashi Matsuda and Junshi Miyamoto pg 779; DOI: 10.1039/P29890000779 |
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The synthesis of bichromophoric rigid norbornylogous systems containing the porphyrin group as one of the chromophores Michael Antolovich Anna M. Oliver and Michael N. Paddon-Row pg 783; DOI: 10.1039/P29890000783 |
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The protonation of some 3-substituted 2-(N,N-dialkylamino)-5-nitrothiophenes Paolo De Maria Renato Noto Giovanni Consiglio and Domenico Spinelli pg 791; DOI: 10.1039/P29890000791 |
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Phthalocyanine analogues. Part 1. Synthesis, spectroscopy, and theoretical study of 8,18-dihydrodibenzo[b,l]-5,7,8,10,15,17,18,20-octa-azaporphyrin and MNDO calculations on its related Hckel heteroannulene Fernando Fernández-Lázaro Javier De Mendoza Otilia Mó Salomé Rodríguez-Morgade Tomás Torres Manuel Yáñez and Josá Elguero pg 797; DOI: 10.1039/P29890000797 |
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Facile aerial oxidation of a porphyrin. Part 5. Unsymmetrical meso-tetra-aryl porphyrins with 3,5-di-t-butyl-4-hydroxyphenyl and 3-hydroxyphenyl substituents Lionel R. Milgrom Nasrin Mofidi and Anthony Harriman pg 805; DOI: 10.1039/P29890000805 |
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Efficient photoelectrochemical in-situ regeneration of NAD(P)+ coupled to enzymatic oxidation of alcohols Romain Ruppert and Eberhard Steckhan pg 811; DOI: 10.1039/P29890000811 |
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The mechanisms of the rearrangements of allylic hydroperoxides: 5-hydroperoxy-3-hydroxycholest-6-ene and 7-hydroperoxy-3-hydroxycholest-5-ene Athelstan L. J. Beckwith Alwyn G. Davies Ian G. E. Davison Allan Maccoll and Margaret H. Mruzek pg 815; DOI: 10.1039/P29890000815 |
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The rearrangements of allylic hydroperoxides derived from (+)-valencene Alwyn G. Davies and Ian G. E. Davison pg 825; DOI: 10.1039/P29890000825 |
Conformations of derivatives of 3,7-diazabicyclo[3.3.1]nonan-9-one. Comparison of 3-ethoxycarbonyl-7-methyl-1,5-diphenyl-3,7-diazabicyclo[3.3.1]nonan-9-one and 3,7-di(ethoxycarbonyl)-1,5-diphenyl-3,7-diazabicyclo[3.3.1]nonan-9-one: effect of a nucleophile  electrophile interaction on molecular geometryPeter H. McCabe Neal J. Milne and George A. Sim pg 831; DOI: 10.1039/P29890000831 |
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Permeability-controllable membranes. Part 8. Electrical redox sensitive permeation through a multibilayer-immobilized film containing a ferrocenyl group as a redox site Voshio Okahata Gen-ichiro En-na and Kazuya Takenouchi pg 835; DOI: 10.1039/P29890000835 |
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Solvent effect as the result of frontier molecular-orbital interaction. Part 3. Hetero Diels–Alder reaction with inverse electron demand between 4-arylidenepyrazol-5-ones and isobutyl vinyl ether Marina Burdisso Giovanni Desimoni Giuseppe Faita Pierpaolo Righetti and Gianfranco Tacconi pg 845; DOI: 10.1039/P29890000845 |
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Primary 2H kinetic isotope effects in the base-catalysed 1,3-prototropic rearrangement of 1-methylindene and 1,3-dimethylindene Anita Hussénius Olle Matsson and Göran Bergson pg 851; DOI: 10.1039/P29890000851 |
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A nuclear magnetic resonance and X-ray diffraction study on the metal salt complexes of dicarbonyl-stabilized ammonium and sulphonium ylides Erkki Kolehmainen Reino Laatikainen Kari Rissanen Jussi Valkonen David  amen and Vladimir Král pg 859; DOI: 10.1039/P29890000859 |
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Base cleavage of the benzyl–silicon bonds in m-ClC6H4CH2SiMe(OH)2 and m-ClC6H4CH2Si(OH)3. Proposed formation of metasilicate intermediates Jadwiga Chmielecka Julian Chojnowski W ogdzimierz A. Staczyk and Colin Eaborn pg 865; DOI: 10.1039/P29890000865 |
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Polarity and acidity of solvents. Part 3. Polarity of non-aromatic polychloro-substituted solvents Christian Laurence Pierre Nicolet Maryvonne Lucon Tawfik Dalati and Christian Reichardt pg 873; DOI: 10.1039/P29890000873 |
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Anionic substitution at carbonyl carbon. Implications for the chemistry of ions in solution Michael J. S. Dewar and Donn M. Storchb pg 877; DOI: 10.1039/P29890000877 |
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Polyelectrolyte effects exerted by poly(ethyleneimine) on the ionization constant of substituted phenols Antonio Arcelli and Carlo Concilio pg 887; DOI: 10.1039/P29890000887 |
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o-Nitroaniline derivatives. Part 12. The reaction of N-(2,4-dinitrophenyl)-sarcosine ethyl ester with bases: some novel redox processes revealed by X-ray crystallography Michael D. McFarlane David M. Smith George Ferguson and Branko Kaitner pg 893; DOI: 10.1039/P29890000893 |
The aza-di- -methane rearrangement of 1-aryl-4,4-dimethyl-6,6-diphenyl-2-azahexa-2,5-dienes. The influence of substituents on the N-benzyl groupDiego Armesto William M. Horspool and Fernando Langa pg 903; DOI: 10.1039/P29890000903 |
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Intramolecular proton-transfer catalysis of nucleophilic catalysis of acetal hydrolysis. The hydrolysis of 8-dimethylamino-1-methoxymethoxynaphthalene Anthony J. Kirby and Jonathan M. Percy pg 907; DOI: 10.1039/P29890000907 |
Reactions of isolated organic ions. Alkene loss from the immonium ions CH3CH N+HC2H5 and CH3CHN+HC3H7Richard D. Bowen pg 913; DOI: 10.1039/P29890000913 |
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Chemistry of the SO bond. Part 11. trans,trans-4,6-Di-t-butyl-trans-5-methyl-1,3,2-dioxathiane 2-oxide and cis,cis-4,6-di-t-butyl-cis-5-methyl-1,3,2-dioxathiane 2-oxide, synthesis and crystal structure determination Ben Bracke Albert T. H. Lenstra Herman J. Geise and Desmond G. Hellier pg 919; DOI: 10.1039/P29890000919 |
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Kinetic and equilibrium studies of the reactions of some thiolate ions with trinitro-aromatic compounds: intrinsic reactivities Michael R. Crampton and J. Andrew Stevens pg 925; DOI: 10.1039/P29890000925 |
Issue 8
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Front cover pg X029; DOI: 10.1039/P298900FX029 |
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Contents pages pg P029; DOI: 10.1039/P298900FP029 |
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Back cover pg X031; DOI: 10.1039/P298900BX031 |
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Theoretical calculations of chemical interactions. Part 6. An MNDO study of the intermediates involved in CO insertion into lithium–nitrogen bonds in lithium dialkylamides Norma S. Nudelman and Daniel G. Perez pg 931; DOI: 10.1039/P29890000931 |
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Internal hydrogen bonding in benzo[a]pyrene diol and diol epoxide metabolites Anthony C. Capomacchia Vijay Kumar and Robert N. Jennings pg 937; DOI: 10.1039/P29890000937 |
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A simple harmonic oscillator model of the intrinsic barrier to group transfer Ikchoon Lee pg 943; DOI: 10.1039/P29890000943 |
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Epoxidation catalysed by MnIIITPPCl using dioxygen activated by a system containing N-hydroxyphthalimide and styrene, 2-norbornene or indene Shigeko Ozaki Tomomi Hamaguchi Keiichi Tsuchida Yukio Kimata and Masaichiro Masui pg 951; DOI: 10.1039/P29890000951 |
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Ring closure to ynone systems: 5- and 6-endo- and -exo-dig modes Colin M. Brennan C. David Johnson and Peter D. McDonnell pg 957; DOI: 10.1039/P29890000957 |
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The resolution and absolute configuration by X-ray crystallography of the isomeric octopamines and synephrines John M. Midgley C. Mohan Thonoor Alex F. Drake Clyde M. Williams Anna E. Koziol and Gus J. Palenik pg 963; DOI: 10.1039/P29890000963 |
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A benzoquinone Di-imine from the oxidation of pentafluoroaniline by hypochlorite. X-Ray crystal structure and possible formation via pentafluorophenylnitrene John J. Deadman Michael Jarman Raymond McCague Robert McKenna and Stephen Neidle pg 971; DOI: 10.1039/P29890000971 |
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Substituent effects. Part 11. Anomalous dissociation constants of benzoic acids in water–organic solvent mixtures. An extended Hammett equation comprising the hydrophobic constant as an additional parameter Anthonius J. Hoefnagel and Bartholomeus M. Wepster pg 977; DOI: 10.1039/P29890000977 |
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Alkoxohydridoaluminates. Part 2. The influence of alkyl substituents, solvent, and temperature on the molar fractions of components, equilibrium constants, and 27Al n.m.r. data for equilibrium mixtures containing Bu4N+AlH4-n(OR)n– Stanislav He  mánek Otomar Kí Jiri Fusek Zbyn k  erný and Bohuslav ásenský pg 987; DOI: 10.1039/P29890000987 |
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Absorption spectra and structure of substituted benzo[b]thiin-4-one 1,1-dioxides as new chromophores Shigeru Watanabe Hiroyuki Nakazumi and Teijiro Kitao pg 993; DOI: 10.1039/P29890000993 |
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Solvent effect on the kinetics of the reaction of 2,3-[9,10-dihydroanthracene-endo-9,10-diyl]-N-(2,4-dinitrophenoxy)succinimide with piperidine Gurudas Bhattacharjee Ashok Kumar Singh and Ranjumoni Saikia pg 999; DOI: 10.1039/P29890000999 |
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An electron spin resonance study of the formation of radical cations in FSO3H/SO2 solution Alwyn G. Davies and Charles J. Shields pg 1001; DOI: 10.1039/P29890001001 |
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Reaction of phenyl-substituted allyl-lithiums with secondary alkyl halides. A polar process versus single-electron transfer Jiro Tanaka Hiroaki Morishita Masatomo Nojima and Shigekazu Kusabayashi pg 1009; DOI: 10.1039/P29890001009 |
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Nitrosation of acetylacetone (pentane-2,4-dione) and some of its fluorinated derivatives Michael J. Crookes Panchali Roy and D. Lyn H. Williams pg 1015; DOI: 10.1039/P29890001015 |
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Solvent effects on the dissociation of benzoic acid in aqueous mixtures of 2-methoxyethanol and 1,2-dimethoxyethane at 25 C Saroj K. Ghosh and Dilip. K. Hazra pg 1021; DOI: 10.1039/P29890001021 |
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Polar host–guest interactions. Solubilization of some polar compounds with lipophilic calix[6]arenes containing polar groups in apolar media Yasuhiro Aoyama Yoskiyuki Nonaka Yasutaka Tanaka Hiroo Toi and Hisanobu Ogoshi pg 1025; DOI: 10.1039/P29890001025 |
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Stereochemistry and conformation in solution of diltiazem hydrochloride, a 1,5-benzothiazepine coronary vasodilator Robert Glaser and Benjamin Sklarz pg 1031; DOI: 10.1039/P29890001031 |
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Mechanisms of photo-oxidation of NADH model compounds by oxygen Shunichi Fukuzumi Masashi Ishikawa and Toshio Tanaka pg 1037; DOI: 10.1039/P29890001037 |
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Acid-catalysed reduction of flavin analogues by an NADH model compound, 10-methyl-9,10-dihydroacridine and cis-dialkylcobalt(III) complexes Shunichi Fukuzumi Sadaki Kuroda Tatsushi Goto Kunio Ishikawa and Toshio Tanaka pg 1047; DOI: 10.1039/P29890001047 |
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Weakly nucleophilic leaving groups. Solvolyses of 1-adamantyl and t-butyl heptafluorobutyrates and trifluoroacetates T. William Bentley and Karl Roberts pg 1055; DOI: 10.1039/P29890001055 |
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The mechanism of the reaction of 2,3-dimethoxy-1,4-naphthoquinone with pyrrolidine in ethanol–water Noemí Alvarado and José G. Santos pg 1061; DOI: 10.1039/P29890001061 |
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Mechanistic investigations on N-halosulphonamides. Kinetics of oxidation of thiocarbonohydrazide in the free and metal-bound states and diethylidene thiocarbonohydrazide, in aqueous and partially aqueous media B. Thimme Gowda and P. Ramachandra pg 1067; DOI: 10.1039/P29890001067 |
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The conformational analysis of bafilomycin A1 Geoffrey H. Baker Paul J. Brown Roderick J. J. Dorgan and Jeremy R. Everett pg 1073; DOI: 10.1039/P29890001073 |
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Solvent and micellar effects upon the cyclisation of o-3-halopropyloxyphenoxide ions Giorgio Cerichelli Luciana Luchetti Giovanna Mancini Maria Novella Muzzioli Raimondo Germani Pier Paolo Ponti Nicoletta Spreti Gianfranco Savelli and Clifford A. Bunton pg 1081; DOI: 10.1039/P29890001081 |
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The effects of cyclic terminal groups on the electronic absorption spectra of di- and tri-phenylmethane dyes Steven F. Beach John D. Hepworth Peter Jones Donald Mason John Sawyer Geoffrey Hallas and Meta M. Mitchell pg 1087; DOI: 10.1039/P29890001087 |
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Theoretical study of the acid-catalysed Friedel–Crafts reaction between CH3F and CH4 Vicenç Branchadell Antonio Oliva and Juan Bertrán pg 1091; DOI: 10.1039/P29890001091 |
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Cathodic oligomerisation of bis(diazo) compounds of the indenofluorene series. Part I. General features Donald Bethell Peter Gallagher and David C. Bott pg 1097; DOI: 10.1039/P29890001097 |
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Cathodic oligomerisation of bis(diazo) compounds of the indenofluorene series Part 2. Kinetic and mechanistic aspects Donald Bethell Peter Gallagher David P. Self and Vernon D. Parker pg 1105; DOI: 10.1039/P29890001105 |
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Electron spin resonance studies of the structures and reactions of trialkoxysilyl radicals Karen M. Johnson and Brian P. Roberts pg 1111; DOI: 10.1039/P29890001111 |
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The thermodynamic metal–ligand stability constants of hydroxamic acids with some divalent metal ions Prakash C. Parekh Sobhana K. Manon and Yadvendra K. Agrawal pg 1117; DOI: 10.1039/P29890001117 |
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Methoxide-induced fragmentation of 2,2,3-trihalogeno- and 2,2-dihalogeno-3-methoxy-1,3-diphenylpropanones Rosana S. Montani Raul O. Garay and Mercedes C. Cabaleiro pg 1125; DOI: 10.1039/P29890001125 |
The small cage 12,17-dimethyl-5-oxa-1,9,12,17-tetra-azabicyclo[7.5.5]nonadecane (L): its synthesis, characterization, and  proton sponge behaviour. The crystal structure of the dipicrate salt [H2(L)](picrate)2Antonio Bianchi Mario Ciampolini Mauro Micheloni Nicoletta Nardi Barbara Valtancoli Stefano Mangani Enrique Garcia-España and Jose Antonio Ramirez pg 1131; DOI: 10.1039/P29890001131 |
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The relation between reduction potential and solvation energy for some arylmethylium ions Peter H. Plesch pg 1139; DOI: 10.1039/P29890001139 |
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Conformational analysis for the ligands CH2OR (R = Me, CH2Ph, and menthyl) and CH2SR (R = Me, Et, CH2Ph, and Ph) attached to the iron chiral auxiliary [(C5H5)Fe(CO)(PPh3)] Brent K. Blackburn Lindsay Bromley Stephen G. Davies Mark Whittaker and Richard H. Jones pg 1143; DOI: 10.1039/P29890001143 |
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On the inapplicability of the Lehnert reagent for 1,2-dicyanomethylation of 2,5- and 2,6-diphenylthiobenzoquinones: synthesis and structure of isomeric 2-amino-5-hydroxy-4,6- and 2-amino-5-hydroxy-4,7-diphenylthiobenzo[b]furan-3-carbonitriles James Y. Becker Joel Bernstein Shmuel Bittner Eli Harlev and Jagarlapudi A. R. P. Sarma pg 1157; DOI: 10.1039/P29890001157 |
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1,4-Bishomo[6]prismane (garudane): molecular structure and strain analysis of reactions potentially leading to prismanes Eiji  sawa Dora A. Barbiric Oh Seuk Lee Yukishige Kitano S. Padma and Goverdhan Mehta pg 1161; DOI: 10.1039/P29890001161 |
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Selective extraction and transport of UO22+ with calixarene-based uranophiles Seiji Shinkai Yoshiharu Shiramama Hiroshi Satoh Osamu Manabe Takashi Arimura Kiyoshi Fujimoto and Tsutomu Matsuda pg 1167; DOI: 10.1039/P29890001167 |
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F.t.i.r. spectral study of intramolecular hydrogen bonding in thromboxane A2 receptor antagonist S-145 and related compounds. Part I Mamoru Takasuka Masumi Yamakawa and Fumihiko Watanabe pg 1173; DOI: 10.1039/P29890001173 |
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Quantitative treatment and micellar effects in the reaction of t-butyl perbenzoate and 2-naphthyl benzoate Hamad A. Al-Lohedan pg 1181; DOI: 10.1039/P29890001181 |
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The electronic structure of 1,3-dipoles: hypervalent atoms David L. Cooper Joseph Garrett and Mario Raimondi pg 1187; DOI: 10.1039/P29890001187 |
Issue 9
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Front cover pg X033; DOI: 10.1039/P298900FX033 |
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Contents pages pg P033; DOI: 10.1039/P298900FP033 |
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Back cover pg X035; DOI: 10.1039/P298900BX035 |
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Molecular structure and smectic properties. Part 1. The effect of linkages on smectic a thermal stability in three aromatic ring compounds linked by ester groups Yoshiaki Sakurai Shunsuke Takenaka Hajime Miyake Hidefumi Morita and Tetsuya Ikemoto pg 1199; DOI: 10.1039/P29890001199 |
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Cross-interaction constants as a measure of the transition-state structure. Part 4. Brnsted-type cross-interaction constants Ikchoon Lee Chang Sub Shim and Hai Whang Lee pg 1205; DOI: 10.1039/P29890001205 |
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Intramolecular cyclization of 1-(3-bromopropyl)uracils Maria Dezor-Mazur Henryk Koraniak Jerzy J. Langer and Krzysztof Golankiewicz pg 1209; DOI: 10.1039/P29890001209 |
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N-hydroxy amides. Part 8. Synthesis and iron(III)-holding properties of di- and tri-hydroxamic acids extending from benzene-di- and -tri-carbonyl units through oligo(ethyleneoxy) arms Masayasu Akiyama Akira Katoh and Takuya Ogawa pg 1213; DOI: 10.1039/P29890001213 |
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The reactivity of some primary amines in SN2Ar reactions with 2- and 4-chloro-1-methylpyridinium ions Eugênia Cristina Souza Brenelli and Paulo José Samenho Moran pg 1219; DOI: 10.1039/P29890001219 |
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The kinetic effects of water and of cyclodextrins on Diels–Alder reactions. Host–guest chemistry. Part 18 Naresh K. Sangwan and Hans-Jörg Schneider pg 1223; DOI: 10.1039/P29890001223 |
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The Schiff base between pyridoxal-5-phosphate and hexylamine. Equilibria in solution Manuel Blazquez Jose M. Sevilla Juana Perez Manuel Dominguez and Francisco Garcia-Blanco pg 1229; DOI: 10.1039/P29890001229 |
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Guanidinium trinitromethanide Ashwin M. Krishnan Per Sjoberg Peter Politzer and Joseph H. Boyer pg 1237; DOI: 10.1039/P29890001237 |
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Conformational equilibra of hydrochloride salts of pethidine, ketobemidone, and related central analgesics of the 4-arylpiperidine class Alan F. Casy George H. Dewar and Omar A. A. Al-Deeb pg 1243; DOI: 10.1039/P29890001243 |
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A nuclear magnetic resonance and molecular-modelling study of cyclohexylamine and several N-substituted derivatives and their hydrochloride salts J. Graham Dawber and Jeremy Massey-Shaw pg 1249; DOI: 10.1039/P29890001249 |
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Dehalogenation reactions in chemical ionization mass spectrometry Kunnath P. Madhusudanan Vemisetty S. Murthy and Daniel Fraisse pg 1255; DOI: 10.1039/P29890001255 |
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Proton transfer from amides to hydroxide ion and buffers in 70%(v/v) Me2SO–H2O Neil E. Briffett and Frank Hibbert pg 1261; DOI: 10.1039/P29890001261 |
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Isoxazolinyldioxepins. Part 1. Structure–reactivity studies of the hydrolysis of oxazolinyldioxepin derivatives Patrick Camilleri David Munro Karen Weaver David J. Williams Henry S. Rzepa and Alexandra M. Z. Slawin pg 1265; DOI: 10.1039/P29890001265 |
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Isoxazolinyldioxepins. Part 2. The partitioning characteristics and the complexing ability of some oxazolinyldioxepin diastereoisomers Patrick Camilleri David Munro Karen Weaver David J. Williams and Henry S. Rzepa pg 1271; DOI: 10.1039/P29890001271 |
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Structural studies on bio-active compounds. Part 12. Tautomerism and conformation of aryl-substituted 1-(2-hydroxyphenyl)-3-phenylpropane-1,3-diones in the solid phase and in solution Bernadette D. M. Cunningham Philip R. Lowe and Michael D. Threadgill pg 1275; DOI: 10.1039/P29890001275 |
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Preparation and magnetic properties of a range of metal and organic cation salts of 2,3-dicyano-1,4-naphthoquinone (DCNQ). X-Ray crystal structure of (methyltriphenylphosphonium)1(DCNQ)1(H2O)1 and 2-dicyanomethylene-indan-1,3-dione (DCID). The rearrangement of DCID to DCNQ Martin R. Bryce Stephen R. Davies Masihul Hasan Geoffrey J. Ashwell Marek Szablewski Michael G. B. Drew Richard Short and Michael B. Hursthouse pg 1285; DOI: 10.1039/P29890001285 |
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Photochemically induced hydrogen abstraction by carbon radicals in an adamantane matrix: generation and photochemical cleavage of 2-adamantyl radicals Hans-Gert Korth Fritz Lange Fritz Lübbe Wolfgang Müller Margret Seidel and Reiner Sustmann pg 1293; DOI: 10.1039/P29890001293 |
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Studies of intramolecular hydrogen bonds: protonation of keto and enol forms of -diketones by hydrogen bromide in dibromodifluoromethane David R. Clark John Emsley and Frank Hibbert pg 1299; DOI: 10.1039/P29890001299 |
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Oxidation of 2,4-di-t-butylphenol with t-butyl hydroperoxide catalysed by copper(II)–ethylenediamine complexes Keiko Kushioka Iwao Tanimoto and Kazuhiro Maruyama pg 1303; DOI: 10.1039/P29890001303 |
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Thermal stability of phosphinoacetic acids Johannes A. van Doorn and Nico Meijboom pg 1309; DOI: 10.1039/P29890001309 |
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Bromination reactions of 2-substituted derivatives of 7-oxabicyclo[2.2.1 ]hept-5-ene Odóan Arjona Roberto Fernandez de la Pradilla Leopoldo García Araceli Mallo and Joaquín Plumet pg 1315; DOI: 10.1039/P29890001315 |
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Nitrosation by alkyl nitrites. Part 5. Kinetics and mechanism of reactions in acetonitrile Michael J. Crookes and D. Lyn H. Williams pg 1319; DOI: 10.1039/P29890001319 |
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Kinetics and mechanism of the oxidation of some chelating agents by perbenzoic acids D. Martin Davies and Roland M. Jones pg 1323; DOI: 10.1039/P29890001323 |
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Charge-transfer complexes of imidazole-2-thiones and N,N-dialkylthioureas with sulphur dioxide Andrzej Suszka pg 1327; DOI: 10.1039/P29890001327 |
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Decomposition of diacyl peroxides. Part 9. Mechanism of the carboxy-inversion process in the thermal decomposition of benzoyl cyclohexanecarbonyl peroxide and related diacyl peroxides Ken Fujimori and Shigeru Oae pg 1335; DOI: 10.1039/P29890001335 |
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2,3-Dihydro-1H-benzo[c]pyrazolo[1,2-a]cinnolines and derived radical cations Franz A. Neugebauer and Hans Fischer pg 1349; DOI: 10.1039/P29890001349 |
Issue 10
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Front cover pg X037; DOI: 10.1039/P298900FX037 |
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Contents pages pg P037; DOI: 10.1039/P298900FP037 |
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Back cover pg X039; DOI: 10.1039/P298900BX039 |
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Hydrogen bonding. Part 9. Solute proton donor and proton acceptor scales for use in drug design Michael H. Abraham Philip P. Duce David V. Prior Derek G. Barratt Jeffrey J. Morris and Peter J. Taylor pg 1355; DOI: 10.1039/P29890001355 |
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Conformational analysis. Part 14. A lanthanide-induced shift n.m.r. analysis of indan-1-one and norcamphor Raymond J. Abraham Derek J. Chadwick Paul E. Smith and Fernando Sancassan pg 1377; DOI: 10.1039/P29890001377 |
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Trends in selectivity. Evidence from rates and products for simultaneous reaction channels in solvolyses of benzoyl chloride and substituted derivatives T. William Bentley and In Sun Koo pg 1385; DOI: 10.1039/P29890001385 |
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Effects of and substituents on the relative reactivity of pyrylium and thiopyrylium cations Giancarlo Doddi and Gianfranco Ercolani pg 1393; DOI: 10.1039/P29890001393 |
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N.m.r. spectroscopic and X-ray crystallographic studies on some o-NO2 substituted aromatic sulphur amides Pirkko Ruostesuo Anna-Maija Häkkinen Raikko Kivekäs and Markku R. Sundberg pg 1397; DOI: 10.1039/P29890001397 |
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The formation of 2-oxopropyl-2-oxopropylidenediphenylphosphorane. Crystal and molecular structure of its lithium enolate Olyana Angelova Emil M. G. Kirilov Marko Kirilov Galin Petrov José Kaneti and Josef Macicek pg 1405; DOI: 10.1039/P29890001405 |
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Dynamic molecular motions of p-methylcinnamic acid included into -cyclodextrin derivatives: a new type of free-energy relationship in complex formation Yasuhisa Kuroda Masahiko Yamada and Iwao Tabushi pg 1409; DOI: 10.1039/P29890001409 |
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Reduction of dioxygen by an NADH model compound and 1,1-dimethylferrocene catalysed by acids in homogeneous and heterogeneous systems Shunichi Fukuzumi Makoto Chiba Masashi Ishikawa Kunio Ishikawa and Toshio Tanaka pg 1417; DOI: 10.1039/P29890001417 |
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Reactivity in SNAr reactions of 2-(4-chloro-3-nitrophenyl)-1,3-diphenyl-1,3,4-triazol-1-ium-5-thiolate with some anionic and neutral nucleophiles Aurea Echevarria and Joseph Miller pg 1425; DOI: 10.1039/P29890001425 |
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Photochromic formazans: X-ray crystal structure magnetic resonance and Raman spectra of 3-methyl-1,5-diphenylformazan and 3-t-butyl-l,5-diphenylformazan Christopher W. Cunningham Gary R. Burns and Vickie McKee pg 1429; DOI: 10.1039/P29890001429 |
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Unusual co-ordination of water to iron(II) amino acid basket-handle porphyrins P. Maillard C. Schaeffer C. Tétreau D. Lavalette J-M. Lhoste and M. Momenteau pg 1437; DOI: 10.1039/P29890001437 |
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Characterization of two polymorphic forms of tolfenamic acid, N-(2-methyl-3-chlorophenyl)anthranilic acid: their crystal structures and relative stabilities Kim Vilbour Andersen Sine Larsen Børge Alhede Niels Gelting and Ole Buchardt pg 1443; DOI: 10.1039/P29890001443 |
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Interchromophoric homoconjugation effect and intramolecular charge-transfer transition of the triptycene system containing a tetracyanoquinodimethane chromophore Nobuyuki Harada Hisashi Uda Kazuhiro Nakasuji and Ichiro Murata pg 1449; DOI: 10.1039/P29890001449 |
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Protonation of carboxylic acids by hydrogen bromide in dibromodifluoromethane: rates of proton exchange, relative basicities, and the acidity of HBr–CBr2F2 David R. Clark John Emsley and Frank Hibbert pg 1455; DOI: 10.1039/P29890001455 |
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Conformational study of bridgehead lactams. Preparation and X-ray structural analysis of 1-azabicyclo[3.3.1]nonane-2,6-dione Peter H. McCabe Neal J. Milne and George A. Sim pg 1459; DOI: 10.1039/P29890001459 |
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An e.s.r. investigation of radical cations formed in Friedel–Crafts reactions Hanging Wang Lowell D. Kispert and Hong Sang pg 1463; DOI: 10.1039/P29890001463 |
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N-nitroso compounds. Part 1. Structure and decomposition of N-nitroso-2-arylimidazolines in aqueous acidic media Jim Iley Fátima Norberto and Eduarda Rosa pg 1471; DOI: 10.1039/P29890001471 |
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Photoresponsive peptide and polypeptide systems. Part 7. Reversible chiral photochromism and solubility change of azo aromatic L-lysine related compounds Hiroyuki Yamamoto Ayako Nishida and Takashi Shimozawa pg 1477; DOI: 10.1039/P29890001477 |
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Unimolecular reactions of isolated C4H8O+ ions derived from unbranched butenols Richard D. Bowen and Alex G. Harrison pg 1483; DOI: 10.1039/P29890001483 |
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Unusual host properties. X-Ray structures of three salt-like crystalline aggregates of 1,1-binaphthyl-8,8-dicarboxylic acid Ingeborg Csöregh Mátyás Czugler Karl W. Törnroos Edwin Weber and Jochen Ahrendt pg 1491; DOI: 10.1039/P29890001491 |
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The tautomeric equilibria of thio analogues of nucleic acid bases. Part 1. 2-Thiouracil: background, preparation of model compounds, and gas-phase proton affinities Alan R. Katritzky Gokhan Baykut Stanislaw Rachwal Miroslaw Szafran Kenneth C. Caster and John Eyler pg 1499; DOI: 10.1039/P29890001499 |
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The tautomeric equilibria of thio analogues of nucleic acid bases. Part 2. AM1 and ab initio calculations of 2-thiouracil and its methyl derivatives Alan R. Katritzky Miroslaw Szafran and John Stevens pg 1507; DOI: 10.1039/P29890001507 |
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The reaction of triphenylmethyl halides with tributylphosphine and tributylamine in apolar solvents Péter Huszthy Gyöngyi Izsó(née Gergácz) Károly Lempert Mária Kajtár-Peredy Miklós Gy  r Antal Rockenbauer and József Tamás pg 1513; DOI: 10.1039/P29890001513 |
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Chemical ionization mass spectra of urethanes Andrew D. Wright Richard D. Bowen and Keith R. Jennings pg 1521; DOI: 10.1039/P29890001521 |
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Highly selective aromatic chlorination. Part 3. Kinetics and mechanism of chlorination of electron-rich aromatic compounds by N-chloroamines in acidic solution John R. Lindsay Smith Linda C. McKeer and Jonathan M. Taylor pg 1529; DOI: 10.1039/P29890001529 |
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Highly selective aromatic chlorination. Part 4. The chlorination of aromatic hydrocarbons with N-chloroamines in acidic solution John R. Lindsay Smith Linda C. McKeer and Jonathan M. Taylor pg 1537; DOI: 10.1039/P29890001537 |
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Cyclisation of 3-phenylpropan-1-ol via alkoxyl radical and aryl radical-cation intermediates. A product and e.s.r. study Bruce C. Gilbert and Cedric W. McCleland pg 1545; DOI: 10.1039/P29890001545 |
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Structure and conformation of polynitrodiphenylmethanes and related carbanions Marie-Paule Simonnin Hai-Qi Xie François Terrier Jacques Lelievre and Patrick G. Farrell pg 1553; DOI: 10.1039/P29890001553 |
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Cyclisation of -(isocyanatocarbonyl)alkyl radicals: acyclic precursors of imidyl radicals Parveen Kaushal and Brian P. Roberts pg 1559; DOI: 10.1039/P29890001559 |
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Pulse radiolysis of monohalogenated biphenyls. Correlation of absorption spectra of the radical cations with photoelectron spectroscopic data Elke Anklam Klaus-Dieter Asmus and Larry W. Robertson pg 1569; DOI: 10.1039/P29890001569 |
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Radical cations of polychlorinated and polybrominated biphenyls in 1,2-dichlorethane: a pulse radiolysis study Elke Anklam Klaus-Dieter Asmus and Larry W. Robertson pg 1573; DOI: 10.1039/P29890001573 |
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The effect of the carboxy group on the chemical and -lactamase reactivity of -lactam antibiotics Andrew P. Laws and Michael I. Page pg 1577; DOI: 10.1039/P29890001577 |
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Photoreduction of phenacyl halides by NADH analogues. Origins of different mechanistic pathways Shunichi Fukuzumi Seiji Mochizuki and Toshio Tanaka pg 1583; DOI: 10.1039/P29890001583 |
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Corrigendum Anthony C. Capomacchia Vijay Kumar and Robert N. Jennings pg 1591; DOI: 10.1039/P29890001591 |
Issue 11
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Front cover pg X041; DOI: 10.1039/P298900FX041 |
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Contents pages pg P041; DOI: 10.1039/P298900FP041 |
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Back cover pg X043; DOI: 10.1039/P298900BX043 |
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Acid catalysis in the mutarotation of N-(p-chlorophenyl)--D-glucopyranosylamine in methanolic medium Kazimiera Smiataczowa pg 1593; DOI: 10.1039/P29890001593 |
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Single-crystal electron paramagnetic resonance studies of the action of red light on the needle form of humulene nitrosite, C15H24N2O3: the first nitroxide radical formed in the photochemical reaction Zia F. Khan and Andrew L. Porte pg 1599; DOI: 10.1039/P29890001599 |
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Single-crystal electron paramagnetic resonance studies of the action of red light on the platelet form of humulene nitrosite, C15H24N2O3: the first nitroxide radical formed in the photochemical reaction Zia F. Khan Andrew L. Porte and Janette E. Schubert pg 1605; DOI: 10.1039/P29890001605 |
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Meisenheimer-type adducts from thiophene derivatives. Part 6. A kinetic and thermodynamic study of substituent effects on the formation of some non-gem adducts Caterina Arnone Giovanni Consiglio Domenico Spinelli Carlo Dell'Erba Fernando Sancassan and François Terrier pg 1609; DOI: 10.1039/P29890001609 |
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Nitrogen bridgehead compounds. Part 75. Study of tautomerism of 9-oxalyl derivatives of condensed pyrimidinones by 1H and 13C nuclear magnetic resonance and ultraviolet spectroscopy Károly Horváth József Kökösi and István Hermecz pg 1613; DOI: 10.1039/P29890001613 |
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Kinetic study of the Schiff-base formation between glycine and pyridoxal 5-phosphate (PLP), pyridoxal (PL), and 5-deoxypyridoxal (DPL) Miguel Angel Vázquez Gerardo Echevarría Francisco Muñoz Josefa Donoso and Francisco García Blanco pg 1617; DOI: 10.1039/P29890001617 |
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Kinetics and mechanism of the cyclisation of 2,6-dihydroxychalcone and derivatives Christopher O. Miles and Lyndsay Main pg 1623; DOI: 10.1039/P29890001623 |
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N.m.r. spectra of porphyrins. Part 37. The structure of the methyl pyrochlorophyllide a dimer Raymond J. Abraham Alan E. Rowan Dane A. Goff Kathryn E. Mansfield and Kevin M. Smith pg 1633; DOI: 10.1039/P29890001633 |
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Chlorine abstraction from arenesulphonyl chlorides by substituted phenyl radicals Carlos M. M. da Silva Corrêa Maria Augusta B. C. S. Oliveira Maria de Lurdes S. Almeida Paula C. M. Rodrigues Maria M. B. Fonseca and Jorge M. A. C. Estrada pg 1643; DOI: 10.1039/P29890001643 |
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Kinetics, isotope effects, and mechanism of the reaction of 1-nitro-1(4-nitrophenyl)alkanes with DBU in acetonitrile W odzimierz Gaezowski and Arnold Jarczewski pg 1647; DOI: 10.1039/P29890001647 |
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Oxygen-17 n.m.r. spectra of C(2)-substituted thioxanthones, thioxanthone sulphoxide, and thioxanthone sulphone John S. Harwood and Andrew L. Ternay Jr. pg 1657; DOI: 10.1039/P29890001657 |
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Studies of tertiary amine oxides. Part 14. Protic solvent effects on the rate of thermal rearrangement of N-(2,4-dinitrophenyl)piperidine N-oxide Abdul-Khalik S. Al-Kazzaz Salim Y. Hanna and Abdul-Hussain Khuthier pg 1661; DOI: 10.1039/P29890001661 |
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1H n.m.r. spectroscopic studies of rotational isomers of several 1,2-diarylacenaphthylenes: conformational barriers and buttressing effects Yee-Hing Lai and Pu Chen pg 1665; DOI: 10.1039/P29890001665 |
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Piezochemical interpretation of (C H X) hydrogen transfer in ene reactions Gérard Jenner Ridha Ben Salem Boris El'yanov and Elena M. Gonikberg pg 1671; DOI: 10.1039/P29890001671 |
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Studies on internal nitroso group transfer. Nitrosation of thiomorpholine Adela Coello Francisco Meijide and José Váquez Tato pg 1677; DOI: 10.1039/P29890001677 |
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On the analysis of substituent effects. Part 3. The geometry of the ring in substituted benzenes Martin Godfrey pg 1681; DOI: 10.1039/P29890001681 |
The reaction of 2,2-thiodiethanol with chloramine-T (sodium N-chlorotoluene-p-sulphonamide): crystal and molecular structures of 2,2-(p-tolylsulphonylimino- 4-sulphanyl)diethanol monohydrate and 2,2-sulphinyldiethanolGeorge Ferguson Alan J. Lough Christopher Glidewell and John Low pg 1685; DOI: 10.1039/P29890001685 |
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Photophysical studies of luminarosine—A new, highly fluorescent ribonucleoside with pteridine-like betaine as the aglycone Bohdan Skalski Stefan Paszyc Ryszard W. Adamiak Ronald P. Steer and Ronald E. Verrall pg 1691; DOI: 10.1039/P29890001691 |
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Methanolyses of para-substituted benzoyl chlorides in isodielectric binary mixtures Ikchoon Lee Dae Dong Sung Tae Seop Uhm and Zoon Ha Ryu pg 1697; DOI: 10.1039/P29890001697 |
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Oxidation of basic zinc dibutyl dithiophosphate by cumyl hydroperoxide at 25 C; kinetic studies by h.p.l.c. John L. Paddy Peter S. Brook and David N. Waters pg 1703; DOI: 10.1039/P29890001703 |
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The anodic oxidation of 2-(4-nitrophenylthio)ethyl esters in acetonitrile Cristina M. Delerue-Matos Hernani L. S. Maia M. Irene Montenegro and Derek Pletcher pg 1707; DOI: 10.1039/P29890001707 |
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Electroactive poly(amino acids). Part 2. Copolymers of N?-4-nitrobenzoyl-L-lysine with inactive amino acids: modified electrodes with these polymers and poly(pyrrole) and with poly{1-[2-(4-nitrobenzoyl)aminoethyl]pyrrole} James Grimshaw and Sarath D. Perera pg 1711; DOI: 10.1039/P29890001711 |
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The conformational analysis of derivatives of erythromycin A. X-Ray crystallographic and nuclear magnetic resonance spectroscopic studies of (E)-11-O-(2-dimethylaminoethoxy)methyl-9-deoxo-9-methoxyiminoerythromycin A Jeremy R. Everett Ian K. Hatton Eric Hunt John W. Tyler and David J. Williams pg 1719; DOI: 10.1039/P29890001719 |
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Conformational studies of substituted five-membered cyclic carbonates and related compounds by MNDO, and the X-ray crystal structure of 4-chlorophenyloxymethyl-l,3-dioxolan-2-one Jehoshua Katzhendler Israel Ringel Amiram Goldblum Dan Gibson and Zeev Tashmaa pg 1729; DOI: 10.1039/P29890001729 |
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Conformational analysis of organic carbonyl compounds. Part 11. Conformational properties of difuryl, dithienyl, and furyl thienyl ketones studied by X-ray crystallography, n.m.r. lanthanide-induced shifts and ab-initio MO calculations Rois Benassi Ugo Folli Dario Iarossi Luisa Schenetti Ferdinando Taddei Amos Musatti and Mario Nardelli pg 1741; DOI: 10.1039/P29890001741 |
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Complex formation between NADH model compounds and metalloporphyrins Shunichi Fukuzumi Yuji Kondo Seiji Mochizuki and Toshio Tanaka pg 1753; DOI: 10.1039/P29890001753 |
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1H N.m.r. spectra and conformations of three heptitols in deuterium oxide David Lewis and Stephen J. Angyal pg 1763; DOI: 10.1039/P29890001763 |
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Decarboxylation of 6-nitrobenzisoxazole-3-carboxylate ion in surfactant self assemblies Raimondo Germani Pier Paolo Ponti Gianfranco Savelli Nicoletta Spreti Antonio Cipiciani Giorgio Cerichelli and Clifford A. Bunton pg 1767; DOI: 10.1039/P29890001767 |
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Studies of 13C n.m.r. substituent chemical shifts of disubstituted benzenes using multivariate data analysis Dan Johnels Ulf Edlund Erik Johansson and Marina Cocchi pg 1773; DOI: 10.1039/P29890001773 |
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A 13C n.m.r. study of 5-cyano-, 5-methoxycarbonyl-, 5-carbamoyl-, and 5-acetyl-3-nitro-2-X-thiophenes: substituent effects and their relation to the charge distribution in corresponding 2,2-dimethoxy Meisenheimer adducts Carlo Dell'Erba Fernando Sancassan Marino Novi Domenico Spinelli Giovanni Consiglio Caterina Arnone and Fiammetta Ferroni pg 1779; DOI: 10.1039/P29890001779 |
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Aromatic nucleophilic substitution reactions of 1-dialkylamino-2,4-dinitronaphthalenes with various amines in dimethyl sulphoxide. Part 26. Shizen Sekiguchi Thoru Suzuki and Masaru Hosokawa pg 1783; DOI: 10.1039/P29890001783 |
Prediction of tautomeric equilibria for N,N,N -trisubstituted, N,N-disubstituted and N-monosubstituted guanidinesEwa D. Raczy ska pg 1789; DOI: 10.1039/P29890001789 |
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Aspects of the mechanism of catalysis in phospholipase A2. A combined ab initio molecular orbital and molecular mechanics study Bohdan Waszkowycz Ian H. Hillier Nigel Gensmantel and David W. Payling pg 1795; DOI: 10.1039/P29890001795 |
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Reversible transformation between the oxidized and reduced forms of redox coenzyme analogues Shunichi Fukuzumi Kumiko Tanii Masashi Ishikawa and Toshio Tanaka pg 1801; DOI: 10.1039/P29890001801 |
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The conformation of ,,,-trifluoroanisoles investigated via the n.m.r. spectra of liquid crystalline solutions Mark Barnes James W. Emsley Timothy J. Horne Gavin M. Warnes Giorgio Celebre and Marcello Longeri pg 1807; DOI: 10.1039/P29890001807 |
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Acid-catalysed reduction of p-benzoquinone derivatives by an NADH analogue, 9,10-dihydro-10-methylacridine. The energetic comparison of one-electron vs. two-electron pathways Shunichi Fukuzumi Masashi Ishikawa and Toshio Tanaka pg 1811; DOI: 10.1039/P29890001811 |
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Heteroaromatic azo-activated substitutions. Part 4. Kinetics and mechanism of the hydrolysis of 3-(4-methoxyphenylazo)-5-methylisoxazole in aqueous sulphuric acid media Ikenna Onyido and Lawrence U. Opara pg 1817; DOI: 10.1039/P29890001817 |
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The nucleophilic catalysed decomposition of N-methyl-N-nitroamides in aqueous buffers Brian C. Challis Eduarda Rosa Fátima Norberto and Jim Iley pg 1823; DOI: 10.1039/P29890001823 |
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A kinetic study of the reaction of diazoalkanes with triphenylphosphine: structure and reactivity in a biphilic process Donald Bethell Sara F. C. Dunn Medhi M. Khodaei and A. Raymond Newall pg 1829; DOI: 10.1039/P29890001829 |
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Crystal structures and conformational analysis of ochratoxin A and B: probing the chemical structure causing toxicity Martin W. Bredenkamp Jan L. M. Dillen Petrus H. van Rooyen and Pieter S. Steyn pg 1835; DOI: 10.1039/P29890001835 |
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F.t.i.r. study of ynamines and ketenimines produced by thermolysis of substituted isoxazolones Julie August Klaus Klemm Harold W. Kroto and David R. M. Walton pg 1841; DOI: 10.1039/P29890001841 |
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Enthalpies of transfer of pyridines from the gas phase to solution in weakly and moderately polar aprotic solvents Irmina Uruska and Ma gorzata Koschmidder pg 1845; DOI: 10.1039/P29890001845 |
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Stereochemistry of 1,2,3-trisubstituted tetra hydro--carbolines Gábor Tóth Csaba Szántay Jr. György Kalaus György Thaler and Günther Snatzke pg 1849; DOI: 10.1039/P29890001849 |
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6-Cycloadditions of aryl and new heteroaryl N-sulphinylamines with 2,3-dimethylbuta-1,3-diene: synthesis, kinetics, substituent effects, theoretical calculations, and reaction mechanism Richard N. Butler Gerard A. O'Halloran and Luke A. Burke pg 1855; DOI: 10.1039/P29890001855 |
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Decomposition of N-methyl-N-nitrosotoluene-p-sulphonamide in basic media: hydrolysis and transnitrosation reactions Albino Castro J. Ramón Leis and M. Elena Peña pg 1861; DOI: 10.1039/P29890001861 |
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The conformation of eight-membered 3,2-O-isopropylidene acetals of some common disaccharides Manuel Bernabe Alfonso Fernandez-Mayoralas Jesús Jimenez-Barbero Manuel Martin-Lomas and Alfonso Rivera pg 1867; DOI: 10.1039/P29890001867 |
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Solid-state stereochemistry of anhydrous (–)-scopolamine hydrobromide Robert Glaser Jean-Pierre Charland and André Michel pg 1875; DOI: 10.1039/P29890001875 |
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Cross interaction constants as a measure of transition state structure. Part 7. Aminolysis of alkyl benzenesulphonates Ikchoon Lee Young Hoon Choi Keun Woo Rhyu and Chang Sub Shim pg 1881; DOI: 10.1039/P29890001881 |
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The conformation of some di-, tetra-, and hexa-hydropyridazines in the solid state Menahem Kaftory Thomas H. Fisher and Stephen M. Dershem pg 1887; DOI: 10.1039/P29890001887 |
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[5]Metacyclophane: ab initio STO-3G molecular structure and strain energy Leonardus W. Jenneskens Jaap N. Louwen and Friedrich Bickelhaupt pg 1893; DOI: 10.1039/P29890001893 |
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Photoisomerization of (E)-1-(2-naphthyl)-2-pyrazin-2-ylethylene Sang Chul Shim and Mi Suk Kim pg 1897; DOI: 10.1039/P29890001897 |
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The tautomerism of 1,2,3-triazole in aqueous solution Adrien Albert and Peter J. Taylor pg 1903; DOI: 10.1039/P29890001903 |
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The effect of -cyclodextrin on the oxidation of formic acid by aqueous bromine: inhibition despite overall rate increase Liang-Feng Han Wolfgang Linert Roland Schmid and Reginald F. Jameson pg 1907; DOI: 10.1039/P29890001907 |
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The quantitative electrophilic reactivity of annulenes. Part 5. Trithiadiazepine, its 6-bromo- and 6-nitro-derivatives, and trithiatriazepine Andrew P. Laws and Roger Taylor pg 1911; DOI: 10.1039/P29890001911 |
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The nature of the exchange of free crowns with a cation crown complex studied by 1H n.m.r. Joyce C. Lockhart Martin B. McDonnell M. N. Stuart Hill and Martin Todd pg 1915; DOI: 10.1039/P29890001915 |
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Vinyl-radical rearrangements. E.s.r. evidence for the formation of enol radical cations by the protonation at carbon of -hydroxyvinyl radicals and for a 1,4-hydrogen shift in some -sulphur-substituted analogues Bruce C. Gilbert and Adrian C. Whitwood pg 1921; DOI: 10.1039/P29890001921 |
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Isoxazolinyldioxepins. Part 1. Structure–reactivity studies of the hydrolysis of oxazolinyldioxepin derivatives Patrick Camilleri David Munro Karen Weaver David J. Williams Henry S. Rzepa and Alexandra M. Z. Slawin pg 1929; DOI: 10.1039/P29890001929 |
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Isoxazolinyldioxepins. Part 2. The partitioning characteristics and the complexing ability of some oxazolinyldioxepin diastereoisomers Patrick Camilleri David Munro Karen Weaver David J. Williams and Henry S. Rzepa pg 1935; DOI: 10.1039/P29890001935 |
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Corrigenda Peter Bamfield David Greenwood Harvinder Lotey Charles J. M. Stirling Fernando Fernández-Lázaro Javier de Mendoza Otilia Mó Salomé Rodríguez-Morgade Tomás Torres Manuel Yáñez José Elguero Geoffrey H. Baker Paul J. Brown Roderick J. J. Dorgan and Jeremy R. Everett pg 1939; DOI: 10.1039/P29890001939 |
Issue 12
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Front cover pg X045; DOI: 10.1039/P298900FX045 |
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Contents pages pg P045; DOI: 10.1039/P298900FP045 |
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Back cover pg X047; DOI: 10.1039/P298900BX047 |
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U.V. and 15N N.M.R. integrated study of the protonation of aminoazoles Adele Garrone Roberta Fruttero Carla Tironi and Alberto Gasco pg 1941; DOI: 10.1039/P29890001941 |
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The role of reaction energy and transition state bond order on the reactivity of ambifunctional compounds in solution Sebastião J. Formosinho and Luís G. Arnaut pg 1947; DOI: 10.1039/P29890001947 |
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Homolytic reactions of ligated boranes. Part 12. Amine–alkylboranes as polarity reversal catalysts for hydrogen-atom abstraction by t-butoxyl radicals Vikram Paul Brian P. Roberts and Colin R. Willis pg 1953; DOI: 10.1039/P29890001953 |
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Homolytic reactions of ligated boranes. Part 13. An electron spin resonance study of radical addition to aminoboranes Iain G. Green Karen M. Johnson and Brian P. Roberts pg 1963; DOI: 10.1039/P29890001963 |
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Are tetrahedral intermediates formed by addition of nucleophiles to organoboranes in the gas phase? Graeme J. Currie John H. Bowie Kevin M. Downard and John C. Sheldon pg 1973; DOI: 10.1039/P29890001973 |
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Reactions of some cyclic ethers in superacids Mirza Azam Baig Derek V. Banthorpe Graham Carr and David Whittaker pg 1981; DOI: 10.1039/P29890001981 |
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Hel photoelectron studies of unstable ketenes: mono- and di-phenylketenes, and their gas-phase conformations Ramaswami Sammynaiken and Nicholas P. C. Westwood pg 1987; DOI: 10.1039/P29890001987 |
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E.S.R. observation of enamine radical cations from thiamine (vitamin B1) and related compounds Daniel Rüegge and Hanns Fischer pg 1993; DOI: 10.1039/P29890001993 |
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Anomalous shielding and hidden partner chemical exchange in the 1H NMR spectra of the bisurethane diazetidines, the 1,2-diaryl-3,5-dialkyl-6,7-dialkoxycarbonyl-4-oxo-6,7-diazabicyclo [3.2.0]hept-2-enes Donald Mackay Deane D. McIntyre and Ian D. Wigle pg 1999; DOI: 10.1039/P29890001999 |
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The use of crown ethers in peptide chemistry. Part 2. Syntheses of dipeptide complexes with cyclic polyether 18-crown-6 and their derivatisation with DMSO Carolyn B. Hyde Kevin J. Welham and Paolo Mascagni pg 2011; DOI: 10.1039/P29890002011 |
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Electronic reduction of haloaromatic compounds. A theoretical study Miquel Moreno Iluminada Gallardo and Juan Bertrán pg 2017; DOI: 10.1039/P29890002017 |
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Direct and bromine-atom initiated photodecompositions of N-acetyl-N-bromohexanamide Yuan L. Chow and Da-Chuan Zhao pg 2023; DOI: 10.1039/P29890002023 |
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Mechanism of solid/liquid phase-transfer catalysis in the presence of potassium carbonate: alkylation of pyrrolidin-2-one Yoel Sasson and Nissim Bilman pg 2029; DOI: 10.1039/P29890002029 |
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Peroxidation of polyunsaturated fatty acids, initiated by the direct interaction between a cobalt porphyrin complex and polyunsaturated fatty acids Shunichi Fukuzumi Kumiko Tanii and Toshio Tanaka pg 2035; DOI: 10.1039/P29890002035 |
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The synthesis and transition temperatures of some 4,4-dialkyl- and 4,4-alkoxyalkyl-1,1 :4,1-terphenyls with 2,3- or 2,3-difluoro substituents and of their biphenyl analogues George W. Gray Michael Hird David Lacey and Kenneth J. Toyne pg 2041; DOI: 10.1039/P29890002041 |
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A mechanistic study of the reaction between aryldiazonium ions and imidazoles Lesley M. Anderson Anthony R. Butler Christopher Glidewell Dorothy Hart and Neil Isaacs pg 2055; DOI: 10.1039/P29890002055 |
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X-Ray crystal and molecular structure of a trimeric o-quinone methide derived from 2,6-dibromomethyl-4-methylphenyl Claude Bavoux Monique Perrin Helmut Goldmann and Volker Böhmer pg 2059; DOI: 10.1039/P29890002059 |
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The reactions of triarylphosphines and triarylarsines with chloramines B and T: crystal and molecular structures of triphenylarsine oxide–benzenesulphonamide (1 : 1) hemi-acetone solvate and tri-m-tolylphosphine oxide–toluene-p-sulphonamide (1 : 1) George Ferguson Alan J. Lough and Christopher Glidewell pg 2065; DOI: 10.1039/P29890002065 |
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Oxidation of cyclic dipeptide radicals in aqueous solution: the rapid hydration of the intermediate 1,6-dihydropyrazine-2,5-diones (cyclic dehydrodipeptides). A pulse-radiolysis study Oliver J. Mieden and Clemens von Sonntag pg 2071; DOI: 10.1039/P29890002071 |
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Radical cations from one-electron oxidation of aliphatic sulphoxides in aqueous solution. A radiation chemical study Kamal Kishore and Klaus-Dieter Asmus pg 2079; DOI: 10.1039/P29890002079 |
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Resolution of chiral interconvertible diastereoisomers of a 2,18-bridged biliverdin mediated by first-order asymmetric transformation Daniel Krois and Harald Lehner pg 2085; DOI: 10.1039/P29890002085 |
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Micellar effects on the reduction of tris(acetylacetonato)cobalt (III) by 1-benzyl-1,4-dihydronicotinamide with ionic surfactants Kohichi Yamashita Hitoshi Ishida and Katsutoshi Ohkubo pg 2091; DOI: 10.1039/P29890002091 |
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Electrochemical reduction of the antitumour anthrapyrazole Cl-941: mechanism of formation and isolation of the leuco form Agnès Anne and Jacques Moiroux pg 2097; DOI: 10.1039/P29890002097 |
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Flavin-sensitized photo-oxidation of unsaturated fatty acids Shunichi Fukuzumi Kumiko Tanii and Toshio Tanaka pg 2103; DOI: 10.1039/P29890002103 |
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Influence of intramolecular hydrogen bonds on the acid hydrolysis of di(ethoxycarbonyl)pyridine N-oxides Bogumi Brycki Bogumi Brzezinski and Jerzy Olejnik pg 2109; DOI: 10.1039/P29890002109 |
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A comparison of semi-empirical and ab initio SCF-MO potential energy surfaces for the reaction of H2CO with R3PCH2 and RPCH2 Henry S. Rzepa pg 2115; DOI: 10.1039/P29890002115 |
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1H and 13C N.M.R. studies on the positional isomers of methyl thialaurate and methyl thiastearate Marcel S. F. Lie Ken Jie and Oladapo Bakare pg 2121; DOI: 10.1039/P29890002121 |
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The product distribution of DNA base alkylation by N-nitroso compounds: an INDO SCF MO theoretical study Richard H. Duncan and Gerard S. Davies pg 2127; DOI: 10.1039/P29890002127 |
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Aromatic rearrangements in the benzene series. Part 5. The Fries rearrangement of phenyl benzoate: the rearranging species. The effect of tetrabromoaluminate ion on the ortho/para ratio: the non-involvement of the proton as a co-catalyst Ian M. Dawson Julia L. Gibson Lionel S. Hart and Catherine R. Waddington pg 2133; DOI: 10.1039/P29890002133 |
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Oxidation by cobalt(III) acetate. Part 12. Stereoselective formation of threo-1-phenylpropane-1,2-diol monoacetate in oxidation of -methylstyrenes unsubstituted and substituted with electron-donating groups by cobalt(III) and manganese(III) acetate in acetic acid Masao Hirano Takayoshi Hamaguchi Xiumin Zhang and Takashi Morimoto pg 2141; DOI: 10.1039/P29890002141 |
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Photochemical addition of methanol to stilbenes Jan Woning Albert Oudenampsen and Wim H. Laarhoven pg 2147; DOI: 10.1039/P29890002147 |
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Kinetics of thermal decomposition of dianilinium sulphate Gurdip Singh and Inder Pal Singh Kapoor pg 2155; DOI: 10.1039/P29890002155 |
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Gas-phase rearrangements of deprotonated ketoximes, ketoxime ethers, and aldoximes. A negative-ion beckmann rearrangement Gregory W. Adams John H. Bowie and Roger N. Hayes pg 2159; DOI: 10.1039/P29890002159 |
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Structural fluxionality in the tricyclo[3.3.1.0]nona-3,6-dienyl and bicyclo[3.2.2]nona-2,6,8-trienyl radicals John C. Walton pg 2169; DOI: 10.1039/P29890002169 |