Front cover pg X001; DOI: 10.1039/P298200FX001 |
Contents pages pg P001; DOI: 10.1039/P298200FP001 |
Studies in decarboxylation. Part 14. The gas-phase decarboxylation of but-3-enoic acid and the intermediacy of isocrotonic (cis-but-2-enoic) acid in its isomerisation to crotonic (trans-but-2-enoic) acid David B. Bigley and Michael J. Clarke pg 1; DOI: 10.1039/P29820000001 |
Back cover pg X003; DOI: 10.1039/P298200BX003 |
O-phosphobiotine analogues. Isolation, X-ray strurcture, and reactivity of the intermediate of the addition of hindered phosphuric esters and thioesters on the carbodi-imide group. O Casimir Blonski Maria-Bénédicte Gasc Alain Klaébé Jean-Jacques Périé Raymond Roques Jean Paul Declercq and Gabriel Germain pg 7; DOI: 10.1039/P29820000007 |
Studies in decarboxylation. Part 15. The effect of 3-substitution on the rate of decarboxylation of -unsaturated acids Amal Al-Borno and David B. Bigley pg 15; DOI: 10.1039/P29820000015 |
Basicity of nitrogen–sulphur(VI) compounds. Part 3. Protonation equilibria of sulphamates using potentiometric and 13C nuclear magnetic resonance methods William J. Spillana Thomas J. Hannigan and Kevin P. Shelly pg 19; DOI: 10.1039/P29820000019 |
The photochemistry of 1-cyano-2-methyl-3-phenylpropone and ring substituted derivatives Aurelio B. B. Ferreira and Kingsley Salisbury pg 25; DOI: 10.1039/P29820000025 |
The stabilities of Meisenheimer complexes. Part 28. The reactions of 2,2,4,4,6,6-hexanitrobibenzyl with alkoxides Michael R. Crampton Paul J. Routledge George C. Corfield Roger M. King and Peter Golding pg 31; DOI: 10.1039/P29820000031 |
Thermal and photoisomerisation of ion pairs of the 1,3-diphenyl-2-azallyl carbanion Ronald N. Young and Mohanad A. Ahmad pg 35; DOI: 10.1039/P29820000035 |
Stereospecific SN2 reactions of exo-4-substituted 3-halogenobicylo[3.2.1]oct-2-enes H. Maskiil and Alan A. Wilson pg 39; DOI: 10.1039/P29820000039 |
Stereodynamical processes in -substituted symmetric isopropyl radicals Lodovico Lunazzi Giuseppe Placucci Loris Grossi and Maurizio Guerra pg 43; DOI: 10.1039/P29820000043 |
An analysis of errors in estimating association constants and molar extinction coefficients from spectrophotometric data for 1 : 1 molecular complexes. Application to literature data Gino Carta and Guido Crisponi pg 53; DOI: 10.1039/P29820000053 |
Lipopolysaccharide solution conformation: antigen shape inferred from high resolution 1H and 13C nuclear magnetic resonance spectroscopy and hard-sphere calculations Klaus Bock Staffan Josephson and David R. Bundle pg 59; DOI: 10.1039/P29820000059 |
n- Interaction between an oxygen lone pair and -electrons in cyclic allylic alcohols and ethers; carbon-13 nuclear magnetic resonance spectra, catalytic hydrogenation, and CNDO/2 calculations Jun-ichi Ishiyama Yasuhisa Senda and Shin Imaizumi pg 71; DOI: 10.1039/P29820000071 |
Reductive coupling of aromatic ketones by low-valent titanium salts Francesco A. Bottino Paolo Finocchiaro Emaanuela Libertini Antonino Reale and Antonino Recca pg 77; DOI: 10.1039/P29820000077 |
Application of the exciton chirality method for the stereochemical assignment of remote groups. Determination of the - or -configuration of a 2-hydroxy-substituent in 2,17- and 2,16-dihydroxy-A-nor-5-androstane and -estrane derivatives Josette Canceill André Collet and Jean Jacques pg 83; DOI: 10.1039/P29820000083 |
Compounds with bridgehead nitrogen. Part 41. The reaction between trans-2-aminocycloalkanols and formaldehyde Peter M. R. Barkworth and Trevor A. Crabb pg 91; DOI: 10.1039/P29820000091 |
Experimental and theoretical investigation on the cycloadditions of nitrile oxides, nitrones, and diazoalkanes with acyclic vinyl sulphones and thiet 1,1-dioxide Pier G. De Benedetti Simona Quartieri Augusto Rastelli Marco De Amici Carlo De Micheli Remo Gandolfi and Pierluigi Gariboldi pg 95; DOI: 10.1039/P29820000095 |
Reactions at high pressure. Part 8. The mechanisms of acid catalysed hydrolyses of glycosides Neil S. Isaacs Khalid Javaid and Brian Capon pg 101; DOI: 10.1039/P29820000101 |
The solution conformation of 17-acetoxy-6-methylprogesterone (medroxyprogesterone acetate) : use of circular dichroism, nuclear overhauser effect difference and two-dimensional J spectroscopy Maria W. Barrett R. Duncan Farrant David N. Kirk John D. Marsh Jeremy K. M. Sanders and William L. Duax pg 105; DOI: 10.1039/P29820000105 |
Cross and parallel cyclisation–rearrangement of face proximate -2p-C cations generated in polycyclic olefins Kenneth B. Astin Adrian V. Fletcher Kenneth Mackenzie Andrew S. Miller Norman M. Ratcliffe Aileen A. Frew and Kenneth W. Muir pg 111; DOI: 10.1039/P29820000111 |
Front cover pg X005; DOI: 10.1039/P298200FX005 |
Contents pages pg P005; DOI: 10.1039/P298200FP005 |
Back cover pg X007; DOI: 10.1039/P298200BX007 |
Coenzyme models. Part 29. On the unusual spectroscopic behaviour of 10-dodecyl-3-methylisoalloxazine (amphiphilic flavin analogue) in aqueous solution Seiji Shinkai Akiko Harada Yu-ichi Ishikawa Osamu Manabe and Fumio Yoneda pg 125; DOI: 10.1039/P29820000125 |
The mechanism of alkylation reactions. Part 1. The effect of substituents on the reaction of phenacyl bromide with pyridine in methanol William Forster and Robert M. Laird pg 135; DOI: 10.1039/P29820000135 |
Free radical substitution. Part 34. The chlorination of 1- and 2-nitrobutanes in the gas and liquid phases pg 139; DOI: 10.1039/P29820000139 |
Free radical substitution. Part 35. A study of the effect of solvent on atomic chlorination of 1,1-dichloroethane Alan Potter John M. Tedder and John C. Walton pg 143; DOI: 10.1039/P29820000143 |
The micelle-catalysed hydrolysis of benzylpenicillin Nigel P. Gensmantel and Michael I. Page pg 147; DOI: 10.1039/P29820000147 |
The effect of increasing the hydrophobicity of penicillin on its micelle-catalysed hydrolysis Nigel P. Gensmantel and Michael I. Page pg 155; DOI: 10.1039/P29820000155 |
Cyanomethylation versus reductive saturation and hydrodimerisation during the electroreduction of -unsaturated nitriles in acetonitrile Anthony J. Bellamy John B. Kerr Christopher J. McGregor and Iain S. MacKirdy pg 161; DOI: 10.1039/P29820000161 |
Radical reactions of carbohydrates. Part 3. An electron spin resonance investigation of base-catalysed rearrangements of radicals derived from D-glucose and related compounds Bruce C. Gilbert David M. King and C. Barry Thomas pg 169; DOI: 10.1039/P29820000169 |
Electrophilic aromatic substitution. Part 30. The effects of the p-bicyclo[2.2.2]octan-1-yl, adamantan-1-yl, exo- and endo-norbornan-2-yl, and neopentyl substituents in detritiation. Steric acceleration of hyperconjugation William J. Archer Morteza A. Hossaini and Roger Taylor pg 181; DOI: 10.1039/P29820000181 |
Electrophilic aromatic reactivities via pyrolysis of esters. Part 20. The electronic effect of large alkyl groups in the gas phase Morteza A. Hossaini and Roger Taylor pg 187; DOI: 10.1039/P29820000187 |
Probable absence of lattice control of cis–trans-isomerization in 2-ethoxy-cis-cinnamic acid Robert F. Bryan and Paul Hartley pg 191; DOI: 10.1039/P29820000191 |
Infrared investigation of hydrogen bonding and proton transfer of some pyridine trifluoroacetates in benzene Zofia Dega-Szafran and Mirosaw Szafran pg 195; DOI: 10.1039/P29820000195 |
Acid and base catalysis of the mutarotation of D-arabinose oxime Paul Finch and Zohar M. Merchant pg 199; DOI: 10.1039/P29820000199 |
The reaction of 1-substituted 3,4-dimethyl-3-phospholens with diethyl peroxide: a correlation between rate and 31P nuclear magnetic resonance shift Philip J. Hammond Graham Scott and C. Dennis Hall pg 205; DOI: 10.1039/P29820000205 |
The Brnsted relationship, hydroxide solvent isotope effects, and isotope exchange in E1cB elimination of 9-(dimethylaminomethyll)fluorene Richard P. Kelly Rory A. More O'Ferrall and Myles O'Brien pg 211; DOI: 10.1039/P29820000211 |
Structure and isotope effects upon the thermal decomposition of carbamates of highly congested tertiary alcohols John S. Lomas and Melanie P. Thorne pg 221; DOI: 10.1039/P29820000221 |
A kinetic investigation of the thionitrite from ()-2-acetylamino2-carboxy-1,1-dimethylethanethiol as a possible nitrosating agent Sharifa S. Al-Kaabi D. Lyn H. Williams Raymond Bonnett and Suan L. Ooi pg 227; DOI: 10.1039/P29820000227 |
The stabilities of Meisenheimer complexes. Part 29. The reactions of 2,4,6-trinitrotoluene and 2,4,6-trinitrobenzyl chloride with aliphatic amines in dimethyl sulphoxide David N. Brooke and Michael R. Crampton pg 231; DOI: 10.1039/P29820000231 |
The molecular conformation of cyclotri--alanyl David N. J. White Christopher Morrow Phillip J. Cox Charles N. C. Drey and John Lowbridge pg 239; DOI: 10.1039/P29820000239 |
Conformation of the sesquiterpenoid zerumbone: X-ray crystallographic analysis of zerumbone 2,4-dinitrophenylhydrazone Marie A. Russell George A. Sim and David N. J. White pg 245; DOI: 10.1039/P29820000245 |
Front cover pg X009; DOI: 10.1039/P298200FX009 |
Contents pages pg P009; DOI: 10.1039/P298200FP009 |
Back cover pg X011; DOI: 10.1039/P298200BX011 |
Anomeric effects in aziridin-1-yltetrahydropyrans Didier Barbry Daniel Couturier and Guy Ricart pg 249; DOI: 10.1039/P29820000249 |
Ring reversal of cis-cyclohexane-1,2,3,4,5,6-hexacarboxylic acid and its hexamethyl ester Giuseppe Gatti Maria Grassi Giuseppe Di Silvestro Mario Farina and Sergio Brückner pg 255; DOI: 10.1039/P29820000255 |
Rate measurements of certain Vilsmeier–Haack reactions. Part 2. The effect of N-substituents in the amide Julian White and George McGillivray pg 259; DOI: 10.1039/P29820000259 |
Resolved librational motions of gramicidin-S and glutathione dimer as studied by nuclear magnetic resonance spectroscopy Oliver W. Howarth and L. Yun Lian pg 263; DOI: 10.1039/P29820000263 |
Stability of quinone and reduced forms in hydrogen fluoride and hydrogen fluoride–antimony pentafluoride superacid systems: an electrochemical and proton nuclear magnetic resonance study Abderaouf Ben Hadid Paul Rimmelin Jean Sommer and Jacques Devynck pg 269; DOI: 10.1039/P29820000269 |
Reaction of trans, trans-1,4-diphenylbutadiene and maleic anhydride. Substituent and solvent effects Francesco P. Ballisteri Emanuele Maccarone Giancarlo Perrini Gaetano A. Tomaselli and Michele Torre pg 273; DOI: 10.1039/P29820000273 |
Gas-phase thermolyses. Part 7. Gas-phase thermolysis of 1,2,3-oxadithiolan 2-oxide and thiiran 1-oxide. On the intermediacy of 1,2-oxathietan Lars Carlsen and Helge Egsgaard pg 279; DOI: 10.1039/P29820000279 |
Electron impact studies. Part 143. An ion cyclotron resonance study of the gas-phase reactions of alkoxide ions with dialkyl carbonates Marie F. Dottore and John H. Bowie pg 283; DOI: 10.1039/P29820000283 |
Tritium nuclear magnetic resonance studies of the specificity in plantinum-catalysed hydrogen isotope exchange of nitrogen heterocyclic compounds John L. Garnett Mervyn A. Long Christopher A. Lukey and Philip G. Williams pg 287; DOI: 10.1039/P29820000287 |
Conformational investigation of dibenzo-p-dioxin by proton magnetic resonance in a liquid crystalline solvent Giovanni Fronza and Enzio Ragg pg 291; DOI: 10.1039/P29820000291 |
Electrophilic aromatic substitution. Part 31. Partial rate factors for detritiation of thieno[2,3-b]thiophen and thieno[3,2-b]thiophen : weak hydrogen bonding to sulphur in trifluoroacetic acid William J. Archer and Roger Taylor pg 295; DOI: 10.1039/P29820000295 |
Electrophilic aromatic substitution. Part 32. Partial rate factors for detritiation of dithieno[2,3-b:3,2-d]thiophen, dithieno[3,2-b:2,3-d]-thiophen, and dithieno[2,3-b:2,3-d]thiophen William J. Archer and Roger Taylor pg 301; DOI: 10.1039/P29820000301 |
Crystal and molecular structure of a 4,5-dimethyoxbilindione derived from etiobiliverdin-IV: a possible model compound for the phytochrome chromophore David L. Cullen Nicole Van Opdenbosch Edgar F. Meyer jun. Kevin M. Smith and Fahimeh Eivazi pg 307; DOI: 10.1039/P29820000307 |
Deuterium–protium fractionation in solutions of methoxide ion in mixtures of methanol and dimethyl sulphoxide Lars Baltzer and Nils-Årke Bergman pg 313; DOI: 10.1039/P29820000313 |
Unsymmetrical bisphosphorus ligands. Phosphorus-31 and carbon-13 nuclear magnetic resonance and mass spectral measurements Josie C. Briggs Charles A. McAuliffe William E. Hill David M. A. Minahan and Geoffrey Dyer pg 321; DOI: 10.1039/P29820000321 |
Carbon-13 and phosphorus-31 nuclear magnetic resonance spectra of some symmetrical long chain ditertiary phosphines and the carbon-13 nuclear magnetic resonance spectra of the arsenic analogues William E. Hill David M. A. Minahan John G. Taylor and Charles A. McAuliffe pg 327; DOI: 10.1039/P29820000327 |
Effect of an aromatic ester conjugate base on E1cB ester hydrolysis. Alkaline hydrolysis of fluorene-9-carboxylate esters Manoochehr Alborz and Kenneth T. Douglas pg 331; DOI: 10.1039/P29820000331 |
The conversion of 2-(methylthio)ethanol into 1-chloro-2-(methylthio)-ethane: a 13C-labelling study with the aid of 13C nuclear magnetic resonance spectroscopy David C. Billington and Bernard T. Golding pg 341; DOI: 10.1039/P29820000341 |
An electron spin resonance investigation of the intermediates and products in the basic reduction of cis- and trans-p-nitro--bromostyrenes Mario Branca Aldo Gamba Antonio Saba Mario Barzaghi and Massimo Simonetta pg 349; DOI: 10.1039/P29820000349 |
13C and 15N nuclear magnetic resonance spectra of Meisenheimer complexes of 1,3,5-trinitrobenzene Vladimir Macháek Vojeslav trba Antonín Lyka and Dobroslav nobil pg 355; DOI: 10.1039/P29820000355 |
Rapid intramolecular 1,4-hydride transfer across a rigid 4-hydroxycycloheptanone Robert Cernik Gabrielle-Anne Craze Owen S. Mills and Ian Watt pg 361; DOI: 10.1039/P29820000361 |
Photoenhanced catalytic dehydrogenation of propan-2-ol with homogeneous rhodium–tin complexes Hiroshi Moriyama Toshiya Aoki Sumio Shinoda and Yasukazu Saito pg 369; DOI: 10.1039/P29820000369 |
Conformational analysis of -D-ribo-, -D-deoxyribo-, -D-arabino-, -D-xylo-, and -D-lyxo-nucleosides from proton–proton coupling constants Frank A. A. M. de Leeuw and Cornelis Altona pg 375; DOI: 10.1039/P29820000375 |
Transient oxygenation of chelated iron(II) porphyrins: improved kinetics of carbon monoxide replacement by oxygen Daniel Lavalette and Michel Momenteau pg 385; DOI: 10.1039/P29820000385 |
Front cover pg X013; DOI: 10.1039/P298200FX013 |
Contents pages pg P013; DOI: 10.1039/P298200FP013 |
Back cover pg X015; DOI: 10.1039/P298200BX015 |
N-substituted granatanine-3-spiro-5-hydantoins as zwitterions. Potentiometric determination of the pK1 and pK2 values for the conjugate acids Emilia Santos Carmen Avendaño Isabel Rosillo and Gregorio G. Trigo pg 389; DOI: 10.1039/P29820000389 |
Electro-organic reactions. Part 18. The competition between cleavage at aryl–oxygen and at tetrazol-5-yl–oxygen bonds in the cathodic reduction of aryl tetrazolyl ethers Ural Akbulut Levent Toppare and James H. P. Utley pg 391; DOI: 10.1039/P29820000391 |
Electrochemical oxidation of allenic hydrocarbons in acetonitrile James Y. Becker and Baruch Zinger pg 395; DOI: 10.1039/P29820000395 |
Potential energy profiles for unimolecular reactions of isolated organic ions: CH3CH2CHNHCH3 and (CH3)2CNHCH3 Richard D. Bowen pg 403; DOI: 10.1039/P29820000403 |
Unimolecular reactions of isolated organic ions: olefin elimination from immonium ions R1R2NCH2 Richard D. Bowen pg 409; DOI: 10.1039/P29820000409 |
Bay region diol epoxides of benzo[c]phenanthrene : force-field molecular structures B. David Silverman and Samuel J. La Placa pg 415; DOI: 10.1039/P29820000415 |
Photolytic generation of radical anions and dianions and Group IVB organometallic adducts of -diketones. An electron spin resonance study on the effects of fluorine substitution and crown ethers Kuang S. Chen and Jeffrey K. S. Wan pg 419; DOI: 10.1039/P29820000419 |
Cyanomethylation during the electroreduction of aromatic carbonyl compounds in acetonitrile Elaine M. Abbot Anthony J. Bellamy John B. Kerr and Iain S. MacKirdy pg 425; DOI: 10.1039/P29820000425 |
An electron spin resonance study of radical intermediates from 1,6,6a4-triheterapentalenes Keith U. Ingold David H. Reid and John C. Walton pg 431; DOI: 10.1039/P29820000431 |
The reaction of nocardicin A in acid: concurrent hydrolysis of an oxime and a -lactam Anthony R. Butler Derek I. Robinson and Derek E. Wright pg 437; DOI: 10.1039/P29820000437 |
Carbon-13 contact shifts and spin delocalization mechanism for substituted anilines complexed with gadolinium(III) chelates Masatoshi Hirayama pg 443; DOI: 10.1039/P29820000443 |
The liquid crystal–linear dichroism (l.c.–l.d.) of organic molecules by a modulation technique. Part 2. The phenylthio and thiophthen chromophores studied by an l. d. substitution approach Bruno Samorì Paolo Mariani and Gian Piero Spada pg 447; DOI: 10.1039/P29820000447 |
Electrophilic ipso-substitutions. Part 2. Reactions of 3-substituted indoles and 4-substituted NN-dimethylanilines with arenediazonium ions Martino Colonna Lucedio Greci and Marino Poloni pg 455; DOI: 10.1039/P29820000455 |
The reactions of cyclopropyl(methyl)bromonium ion with benzene in the gas phase Marcello Colosimo and Roberto Bucci pg 461; DOI: 10.1039/P29820000461 |
The 9,10-dihydrophenanthrene structure as a source of liquid crystals: mesogenic behaviour and spectroscopic properties of 2-benzylideneamino-9,10-dihydrophenanthrenes Basil A. Behnam and D. Muriel Hall pg 465; DOI: 10.1039/P29820000465 |
Carbon-13 nuclear magnetic resonance studies of some organoselenium compounds containing carbon–selenium double bonds Edward R. Cullen Frank S. Guziec Jr. Christopher J. Murphy Tuck C. Wong and Kenneth K. Andersen pg 473; DOI: 10.1039/P29820000473 |
Kinetic and equilibrium protonation of some alkylated 1,8-diaminonaphthalene monocations to form dications: carbon versus nitrogen protonation Roger W. Alder Martin R. Bryce and Nigel C. Goode pg 477; DOI: 10.1039/P29820000477 |
Ab initio molecular orbital calculations on allylic anion–olefin interactions John M. Brown Robert J. Elliott and W. Graham Richards pg 485; DOI: 10.1039/P29820000485 |
The mechanism of asymmetric hydrogenation. Chiral bis(diphenylphosphino)--phenylalkane complexes in catalytic and structural studies John M. Brown and Barry A. Murrer pg 489; DOI: 10.1039/P29820000489 |
Reaction of a highly spiro-activated cyclopropane with pyridines. A novel intramolecular charge transfer interaction of the product Katsuo Ohkata Akira Tamaru Takashi Nagai and Terukiyo Hanafusa pg 499; DOI: 10.1039/P29820000499 |
Kinetics of the reactions of biphenyl-4-carboxylic acids and 1-naphthoic acids with diazodiphenylmethane in various alcohols P. Ananthakrishnanadar N. Kannan and G. Varghesedharumaraj pg 505; DOI: 10.1039/P29820000505 |
Proton magnetic resonance studies of products formed by cyanobenzenes and nitrocyanobenzenes when dissolved in liquid ammonia John A. Chudek and Roy Foster pg 511; DOI: 10.1039/P29820000511 |
Front cover pg X017; DOI: 10.1039/P298200FX017 |
Contents pages pg P017; DOI: 10.1039/P298200FP017 |
Back cover pg X019; DOI: 10.1039/P298200BX019 |
1H, 13C, and 15N nuclear magnetic resonance studies on the tautomerism of the Schiff's bases of 3-acetyl-6-methyl-2H-pyran-2,4(3H)-dione and 3,5-diacetyltetrahydropyran-2,4,6-trione Sau-Fun Tan Kok-Peng Ang H. L. Jayachandran Alan J. Jones and William R. Begg pg 513; DOI: 10.1039/P29820000513 |
The mechanism of trifluoroacetylation of indoles Antonio Cipiciani Sergio Clementi Gianfranco Giulietti Gianlorenzo Marino Gianfranco Savelli and Paolo Linda pg 523; DOI: 10.1039/P29820000523 |
An attempt at interpretation of the goulden plot in terms of an isokinetic relationship Tadeusz M. Krygowski and Jean Guillemé pg 531; DOI: 10.1039/P29820000531 |
Tautomerism of aminothiazoles. pKBH+ Values of 2-aminothiazoles and of some model imines Luciano Forlani and Paolo De Maria pg 535; DOI: 10.1039/P29820000535 |
Chemistry of excited states. Part 13. Assignment of lowest -ionizations in photoelectron spectra of thiophen, furan, and pyrrole Leo Klasinc Aleksandar Sablji Gert Kluge Jürgen Rieger and (the late) Manfred Scholz pg 539; DOI: 10.1039/P29820000539 |
Electrochemical reduction mechanism of rotenone. Part 2. Effect of proton donors Giulio Capobianco Giuseppe Farnia Alessandro Gambaro and Maria Gabriella Severin pg 545; DOI: 10.1039/P29820000545 |
The temperature variation of the HA acidity function for sulphuric acid and the thermodyanamics of protonation of amides Milica Liler and Dragan Markovi pg 551; DOI: 10.1039/P29820000551 |
Resonance Raman studies of para-substituted NN-dimethylaniline free radical cations Ronald E. Hester and Kenneth P. J. Williams pg 559; DOI: 10.1039/P29820000559 |
Enthalpies of formation of some cyclic 1,3- and 1,4-di- and poly-ethers: thermochemical strain in the –O–C–O– and –O–C–C–O– groups Katarina Byström and Margret Månsson pg 565; DOI: 10.1039/P29820000565 |
The remarkable transformation of fused-ring norbornene bridgemethylene alcohols into a product identified by X-ray diffraction as containing the novel tetracyclo[5.3.1.0.0]undecene system Kevin A. Mead Kenneth Mackenzie and Peter Woodward pg 571; DOI: 10.1039/P29820000571 |
Intramolecular reactions. Part 12. Ring size and leaving group effects on inter- and intra-molecular nucleophilic substitution by carbanions Roger Bird Gwerydd Griffiths Gwynfor F. Griffiths and Charles J. M. Stirling pg 579; DOI: 10.1039/P29820000579 |
Infrared studies of intramolecular interactions including ionic hydrogen bonding in tertiary and quaternary ammonium halides having a hydroxy- or acetoxy-group to the ammonium function Mamoru Takasuka and Yoshihiro Terui pg 585; DOI: 10.1039/P29820000585 |
The highly conductive nonstoicheiometric tetrathiafulvalene nitrate: composition, conductivity, and structure Poopathy Kathirgamanathan Muhammed A. Mazid and David R. Rosseinsky pg 593; DOI: 10.1039/P29820000593 |
Classical carbonium ions. Part 12. The deamination of 1- and 4-amino-n-octane Richard M. Southam and Mark C. Whiting pg 597; DOI: 10.1039/P29820000597 |
Classical carbonium ions. Part 13. Rearrangements from secondary to primary alkyl groups during reactions involving carbonium ions Catherine N. Cooper Peter J. Jenner Nigel B. Perry Jonquil Russell-King Hans J. Storesund and Mark C. Whiting pg 605; DOI: 10.1039/P29820000605 |
Classical carbonium ions. Part 14. The lifetime of secondary carbocations in acetic acid Margaret Monitz and Mark C. Whiting pg 613; DOI: 10.1039/P29820000613 |
Crystal structure of 1-(mesityl-2-sulphonyl)-3-nitro-1,2,4-triazole Reiko Kuroda Mark R. Sanderson Stephen Neidle and Colin B. Reese pg 617; DOI: 10.1039/P29820000617 |
Kinetics of piperidino- and benzenethiolate-dehalogenation of some 4-substituted 2,3-dihalogeno-5-nitrothiophens in methanol Giovanni Consiglio Caterina Arnone Domenico Spinelli Renato Noto and Vincenzo Frenna pg 621; DOI: 10.1039/P29820000621 |
Kinetics of the reactions of some 5-bromo-2-nitro-3-R-thiophens, 3,4-dibromo-2-nitro-5-R-thiophens, 3-bromo-2-nitro-5-R-thiophens, and 2-bromo-3-nitro-5-R-thiophens with nucleophiles in methanol Giovanni Consiglio Domenico Spinelli Salo Gronowitz Anna-Britta Hörnfeldt Britta Maltesson and Renato Noto pg 625; DOI: 10.1039/P29820000625 |
An electron spin resonance study of the photolysis of some cyclopentadienyl-lead compounds: the comparison with tin Alwyn G. Davies Jalal A.-A. Hawari Christine Gaffney and Philip G. Harrison pg 631; DOI: 10.1039/P29820000631 |
Front cover pg X021; DOI: 10.1039/P298200FX021 |
Contents pages pg P021; DOI: 10.1039/P298200FP021 |
Back cover pg X023; DOI: 10.1039/P298200BX023 |
Low-temperature proton nuclear magnetic resonance and ultraviolet absorption spectra and photochemistry of the system nitrosobenzene–azodioxybenzene and its methyl derivatives Michel Azoulay and Ernst Fischer pg 637; DOI: 10.1039/P29820000637 |
The effects of ortho-substituents on the stability of the phenyl anion. The base cleavage of aryltrimethylsilanes Giancarlo Seconi Maurizio Taddei Colin Eaborn and John G. Stamper pg 643; DOI: 10.1039/P29820000643 |
Electronic structure of Friedel–crafts catalysts. Boron trifluoride and alkyl fluoride Juan Bertrán Francisco Mora and Estanisloa Silla pg 647; DOI: 10.1039/P29820000647 |
The 1H nuclear magnetic resonance spectra of 6-substituted bicyclo[3.1.0] hex-2-enes Paul Barraclough Douglas W. Young Anthony G. Ferrige and John C. Lindon pg 651; DOI: 10.1039/P29820000651 |
Relationships between the torsion angles in seven-membered rings Angel L. Esteban Cristobal Galiano Ernesto Diez and Francisco J. Bermejo pg 657; DOI: 10.1039/P29820000657 |
The decomposition kinetics of benzoyl peroxide in pyridine and in pyridine–benzene Simone Vidal Jean Court and Jane-Marie Bonnier pg 663; DOI: 10.1039/P29820000663 |
Studies of reaction pathways by X-ray crystallography: a spectroscopic, crystallographic, and theoretical (ab initio) investigation of 6-oxobicyclo[2.2.1 ]heptane-endo-2-carboxylic acid Derek J. Chadwick Stephen N. Whittleton and Ronald H. Small pg 669; DOI: 10.1039/P29820000669 |
Kinetics and mechanism of thalliation of aromatic compounds in trifluoroacetic acid Soad F. Al-Azzawi and Roger M. G. Roberts pg 677; DOI: 10.1039/P29820000677 |
Theoretical study of polar 2 + 2 cycloadditions Miguel Durán and Juan Bertrán pg 681; DOI: 10.1039/P29820000681 |
Aromatic hydroxylation. Part 7. Oxidation of some benzenoid compounds by iron compounds and hydrogen peroxide with the aromatic compound acting as substrate and solvent M. Andrew Brook Laurence Castle John R. Lindsay Smith Raymond Higgins and Kenneth P. Morris pg 687; DOI: 10.1039/P29820000687 |
The chemistry of nitroso-compounds. Part 17. Formation of N-nitrosamines in solution from dissolved nitric oxide in the presence of hydriodic acid or metal iodides Brian C. Challis and Jerry R. Outram pg 693; DOI: 10.1039/P29820000693 |
Mesoionic compounds. Part 8. Acid-catalysed hydrolysis of aryloxatriazoles Zainuddin Said and John G. Tillett pg 701; DOI: 10.1039/P29820000701 |
Tetrapyrroles. Part 2. Synthesis and electronic spectra of some quinone-porphyrins Ai Chin Chan John Dalton and Lionel R. Milgrom pg 707; DOI: 10.1039/P29820000707 |
The mechanism of asymmetric homogeneous hydrogenation. Rhodium complexes formed by dehydroamino-acids co-complexed with trans-4,5-bisdiphenylphosphino-2,2-dimethyldioxolan and achiral models John M. Brown and Penny A. Chaloner pg 711; DOI: 10.1039/P29820000711 |
Catalysis in aromatic nucleophilic substitution. Part 6. Reactions of 2-methoxy-3-nitrothiophen with cyclic secondary amines in methanol and benzene Giovanni Consiglio Caterina Arnone Domenico Spinelli and Renato Noto pg 721; DOI: 10.1039/P29820000721 |
Rearrangement of pinane derivatives. Part 8. Deamination of 2H-pinan-3-ylamine Rodney M. Giddings Richard Jones-Parry J. Roger Salmon and David Whittaker pg 725; DOI: 10.1039/P29820000725 |
An electron spin resonance study of the methylcyclopentadienyl radicals, MenH5 –nC5(n= 1–5) Alwyn G. Davies Ewa Lusztyk and Janusz Lusztyk pg 729; DOI: 10.1039/P29820000729 |
The electron spin resonance spectra of the penta-alkylcyclopentadienyl radicals MeR4C5(R = Et, Pr, and Bu) and 1,3,5-Me3-2,4-Et2C5. Relative substituent effects of the alkyl groups Alwyn G. Davies Jeffrey P. Goddard Ewa Lusztyk and Janusz Lusztyk pg 737; DOI: 10.1039/P29820000737 |
An electron spin resonance study of the effect of Group IV substituents in cyclopentadienyl radicals Philip J. Barker Alwyn G. Davies Roberto Henriquez and Jean-Yves Nedelec pg 745; DOI: 10.1039/P29820000745 |
The spiropentyl radical and some homolytic reactions of spiropentane Alan J. Kennedy John C. Walton and Keith U. Ingold pg 751; DOI: 10.1039/P29820000751 |
Front cover pg X025; DOI: 10.1039/P298200FX025 |
Contents pages pg P025; DOI: 10.1039/P298200FP025 |
Back cover pg X027; DOI: 10.1039/P298200BX027 |
Vibronic analysis and symmetry of the lowest energy ultraviolet transition of thiophen György Varsányi László Nyulászi Tamás Veszprémi and Takatoshi Narisawa pg 761; DOI: 10.1039/P29820000761 |
Site-specific and random degenerate rearrangements in 6- and 4-cycloheptatriene metal complexes John M. Brown Ian Midgley and W. John Albery pg 767; DOI: 10.1039/P29820000767 |
Carbonate pyrolysis. Part 6. The kinetics and mechanism of the pyrolysis of thion- and dithio-carbonates. Implications for the transition state in carbonate pyrolysis Nouria Al-Awadi and David B. Bigley pg 773; DOI: 10.1039/P29820000773 |
Kinetics and mechanism of the nitrosation of alcohols, carbohydrates, and a thiol S. Elaine Aldred D. Lyn H. Williams and Michael Garley pg 777; DOI: 10.1039/P29820000777 |
A theoretical investigation of the role of the solvent on the structure of the intermediates in solvolytic reactions. Part 4. Methanediazonium ion and methyl fluoride in hydrofluoric acid Pierfranco Demontis Ettore Fois Aldo Gamba Bruno Manunza Giuseppe B. Suffritti and Massimo Simonetta pg 783; DOI: 10.1039/P29820000783 |
Crystal and molecular structure of [5]helicene: crystal packing modes Reiko Kuroda pg 789; DOI: 10.1039/P29820000789 |
The photochemistry of 2-vinyldiphenylacetylene and related compounds Paul M. op den Brouw and Wim H. Laarhoven pg 795; DOI: 10.1039/P29820000795 |
Kinetics and mechanism of the Fischer–Hepp rearrangement and denitrosation. Part 10. Reactions of 3-methoxy-N-methyl-N-nitrosoaniline D. Lyn H. Williams pg 801; DOI: 10.1039/P29820000801 |
Radical-cations as reference chromogens in kinetic studies of ono-electron transfer reactions: pulse radiolysis studies of 2,2-azinobis-(3-ethylbenzthiazoline-6-sulphonate) Brian S. Wolfenden and Robin. L. Willson pg 805; DOI: 10.1039/P29820000805 |
The kinetics of the mercury(II) ion-promoted hydrolysis of 2-phenyl-1,3-oxathiolan and the effects of pH and chloride ion concentration David Penn and Derek P. N. Satchell pg 813; DOI: 10.1039/P29820000813 |
X-Ray determination of the stereochemistry and molecular structure of 2,6-dinitrato-9-thiabicyclo[3.3.1]nonane 9,9-dioxide Peter H. McCabe and George A. Sim pg 819; DOI: 10.1039/P29820000819 |
The gas-phase thermal isomerization of some tri- and tetra-fluoro-dewar benzenes Barbara Sztuba and Emil Ratajczak pg 823; DOI: 10.1039/P29820000823 |
The imidazole-catalysed isomerisation of benzylpenicillin Anthony R. Butler Derek I. Robinson and Derek E. Wright pg 827; DOI: 10.1039/P29820000827 |
Mechanism of the photocycloaddition of 1-aminoanthraquinones to olefins by visible light irradiation; oxetan formation via an exciplex Haruo Inoue Atsuo Ezaki and Mitsuhiko Hida pg 833; DOI: 10.1039/P29820000833 |
Intermediates in the decomposition of aliphatic diazo-compounds. Part 17. Formation and reaction of diazodiphenylmethane anion radical in solution Donald Bethell and Vernon D. Parker pg 841; DOI: 10.1039/P29820000841 |
Basicity of nitrogen–sulphur(VI) compounds. Part 4. Ionization of di- and tri-substituted sulphamides Thomas J. Hannigan and William J. Spillane pg 851; DOI: 10.1039/P29820000851 |
Photocyclization of aryl halides. Part 3. Phenanthridone photosynthesis from 2-halogenobenzanilides James Grimshaw and A. Prasanna de Silva pg 857; DOI: 10.1039/P29820000857 |
Conformation preferences in nitro-alcohols: possible donor–acceptor interactions Charles A. Kingsbury Alan E. Sopchik Gary Underwood and Srinavasan Rajan pg 867; DOI: 10.1039/P29820000867 |
Electron spin resonance detection of the intermediate radicals occurring in homolytic aromatic substitutions of furan and thiophen Lodovico Lunazzi Giuseppe Placucci and Loris Grossi pg 875; DOI: 10.1039/P29820000875 |
Solutions of carbonyl compounds in dibromodifluoromethane in the presence of hydrogen bromide: protonation of ketones and formation of 1 -bromo-alcohols from aldehydes John Emsley Victor Gold M. Jamil B. Jais and Leszek Z. Zdunek pg 881; DOI: 10.1039/P29820000881 |
Front cover pg X029; DOI: 10.1039/P298200FX029 |
Contents pages pg P029; DOI: 10.1039/P298200FP029 |
Back cover pg X031; DOI: 10.1039/P298200BX031 |
Carbon-13 nuclear magnetic resonance spectra of ortho-substituted acetophenones: enhanced substituent effects on the carbonyl group Gerard Goethals Raoul Uzan Louis Nadjo and Jean-Pierre Doucet pg 885; DOI: 10.1039/P29820000885 |
Base catalysis of aromatic nucleophilic substitution reactions in aprotic and dipolar aprotic solvents Titus O. Bamkole Jack Hirst and Ikenna Onyido pg 889; DOI: 10.1039/P29820000889 |
Electron spin resonance studies of the anion radicals of pyridinium bis(alkoxycarbonyl)methylides Hideo Fujita Jun Yamauchi Kiyoshi Matsumoto and Hiroaki Ohya-Nishiguchi pg 895; DOI: 10.1039/P29820000895 |
Functional micellar catalysis. Part 5. Catalysis of activated amide hydrolysis by hydroxy and imidazole functionalized surfactant systems Roberto Fornasier and Umberto Tonellato pg 899; DOI: 10.1039/P29820000899 |
Emission in the ultraviolet–visible region produced by the electron-impact excitation of polyatomic molecules. Part 1. Amino-compounds Christopher A. F. Johnson John E. Parker and Howard P. Flitman pg 903; DOI: 10.1039/P29820000903 |
Electrophilic substitution in lndoles. Part 11. The mechanism of substitution in 5-methoxyindoles Denis W. Clack Anthony H. Jackson Noojaree Prasitpan and Patrick V. R. Shannon pg 909; DOI: 10.1039/P29820000909 |
Electronic effects of polar substituents in the gas phase unimolecular elimination of 4-substituted isobornyl acetates Gabriel Chuchani Jose A. Hernandez A David G. Morris and Alistair G. Shepherd pg 917; DOI: 10.1039/P29820000917 |
Linear solvation energy relationships. Part 19. Correlation of the free energies of solution of 41 solutes in select solvents with Hildebrand's solubility parameter, H, and with the solvatochromic parameter, * Michael H. Abraham Mortimer J. Kamlet and Robert W. Taft pg 923; DOI: 10.1039/P29820000923 |
Stereochemistry of protonation at carbon of nitronate adducts from 1,6-conjugate addition of Grignard reagents to 9-nitroanthracenes. Crystal structure of cis-9-benzyl-10-nitro-9,10-dihydroanthracene Giuseppe Bartoli Marcella Bosco Renato Dal Pozzo and Paolo Sgarabotto pg 929; DOI: 10.1039/P29820000929 |
The interpretation of quantitative linear correlations. Studies on the substituent shell concept Ghazwan F. Fadhil and Martin Godfrey pg 933; DOI: 10.1039/P29820000933 |
Quantitative frontier orbital theory. Part 3. Radical reactions Robert J. Elliott and W. Graham Richards pg 943; DOI: 10.1039/P29820000943 |
Photo-promoted oxidation of alcohols with aliphatic N-chloroamines Yoshiro Ogata and Makoto Kimura pg 947; DOI: 10.1039/P29820000947 |
Determination of the structure of a trimer of biacetyl by carbon-13 autocorrelation nuclear magnetic resonance spectroscopy John Hudec and David L. Turner pg 951; DOI: 10.1039/P29820000951 |
Sulphinyl, sulphonyl, and sulphonium groups as leaving groups in aromatic nucleophilic substitutions Alfio Chisari Emanuele Maccarone Giovanni Parisi and Giancarlo Perrini pg 957; DOI: 10.1039/P29820000957 |
Reactions of cerium(IV) ammonium nitrate with aromatic compounds in acetonitrile. Part 1. The mechanism of side-chain substitution Suphi Dinçtürk and John H. Ridd pg 961; DOI: 10.1039/P29820000961 |
Reactions of cerium(IV) ammonium nitrate with aromatic compounds in acetonitrile. Part 2. Nitration; comparison with reactions of nitric acid Suphi Dinçtürk and John H. Ridd pg 965; DOI: 10.1039/P29820000965 |
Effects of ligands on the gold (III)-promoted hydrolysis of (N-cyclohexyl)thiobenzamide Jacob V. Micallef and Derek P. N. Satchell pg 971; DOI: 10.1039/P29820000971 |
Chemical structure and kinetic properties of hydroaromatic compounds Tetsuro Yokono Toshiyuki Obara Yuzo Sanada Haruhisa Shirahama and Eiji sawa pg 979; DOI: 10.1039/P29820000979 |
Kinetics of protiodeacylation of mono- and di-acylmesitylenes in 89.8% sulphuric acid Peter H. Gore Ahmed M. G. Nasser and Esmat F. Saad pg 983; DOI: 10.1039/P29820000983 |
The hydrolysis of Brilliant Green and some derivatives. Part 2. The kinetics of the hydrolysis of 3- and 4-substituted derivatives of Brilliant Green Brenda M. Fox John D. Hepworth Donald Mason and Geoffrey Hellas pg 987; DOI: 10.1039/P29820000987 |
The mechanism of photoinduced fragmentation of alkyl pyruvates R. Stephen Davidson and Dean Goodwin pg 993; DOI: 10.1039/P29820000993 |
Reactions of oxygenated radicals in the gas phase. Part 11. Reaction of isopropylperoxyl radicals with 2,3-dimethylbut-2-ene Mohammed I. Sway and David J. Waddington pg 999; DOI: 10.1039/P29820000999 |
A theoretical investigation of some stereoelectronic effects Robert J. Elliott and W. Graham Richards pg 1005; DOI: 10.1039/P29820001005 |
Model systems for cytochrome P450 dependent mono-oxygenases. Part 1. Oxidation of alkenes and aromatic compounds by tetraphenylporphinatoiron(III) chloride and lodosylbenzene John R. Lindsay Smith and Paul R. Sleath pg 1009; DOI: 10.1039/P29820001009 |
The conformations of cycloalkylmethyl radicals and barriers to internal rotation Mary L. Kemball John C. Walton and Keith U. Ingold pg 1017; DOI: 10.1039/P29820001017 |
Kinetic acidity function Hc. Part 3. Applicability to hydration of styrenes Graham W. L. Ellis and C. David Johnson pg 1025; DOI: 10.1039/P29820001025 |
The kinetics and mechanism of the soft metal ion-promoted hydrolysis of -ethoxy--ethylthiotoluene in aqueous solution David Penn and Derek P. N. Satchell pg 1029; DOI: 10.1039/P29820001029 |
Kinetics of alkene formation in the homogeneous and in the heterogeneously catalysed methanolyses of 2-bromo-2-methyl propane (t-butyl bromide) Roger J. Mortimer and Michael Spiro pg 1031; DOI: 10.1039/P29820001031 |
Steric effects in di- and tri-arylmethane dyes. Part 14. Electronic absorption spectrum of an ,o-bridged analogue of Michler's hydrol blue Andrew T. Brown and Geoffrey Hallas pg 1037; DOI: 10.1039/P29820001037 |
Front cover pg X033; DOI: 10.1039/P298200FX033 |
Contents pages pg P033; DOI: 10.1039/P298200FP033 |
Back cover pg X035; DOI: 10.1039/P298200BX035 |
Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. Part 4. 2,4,6-Triaryl-N-benzylpyridinium cations: rate variation with electronic effects in the leaving group Alan R. Katritzky Jeffrey Adamson E. Michael Elisseou Giuseppe Musumarra Ranjan C. Patel Kumars Sakizadeh and Wing Kai Yeung pg 1041; DOI: 10.1039/P29820001041 |
Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. Part 5. Solvent effects Giuseppe Musumarra Francesco P. Ballistreri Salvatore Muratore Alan R. Katritzky and Svante Wold pg 1049; DOI: 10.1039/P29820001049 |
Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. Part 6. Reactions of N-(substituted benzyl)azaheterocyclonium compounds with piperidine Alan R. Katritzky Wlodzimierz H. Basinski Yu Xiang Ou Giuseppe Musumarra and Ranjan C. Patel pg 1055; DOI: 10.1039/P29820001055 |
Infrared spectral and X-ray studies of polymorphic forms of 2-(2-methyl-3-chloroanilino)nicotinic acid Mamoru Takasuka Hiroshi Nakai and Motoo Shiro pg 1061; DOI: 10.1039/P29820001061 |
In situ electrochemical reduction of some naphthazarin derivatives. An electron spin resonance and INDO study Carlos Sieiro Angela Sanchez Pierre Crouigneau and Claude Lamy pg 1069; DOI: 10.1039/P29820001069 |
Mechanism of the reaction of dialkyl sulphides with bromamine T in alkaline medium Ferenc Ruff and Árpád Kucsman pg 1075; DOI: 10.1039/P29820001075 |
Gas-phase thermolyses. Part 8. Gas-phase thermolysis of methyl and ethyl monothioacetates Lars Carlsen and Helge Egsgaard pg 1081; DOI: 10.1039/P29820001081 |
Oxidation by cobalt(III) acetate. Part 4. Kinetics and mechanism of the oxidation of glycols in acetic acid Takashi Morimoto and Masao Hirano pg 1087; DOI: 10.1039/P29820001087 |
Solvolysis rates of diarylmethyl p-nitrobenzoates in aqueous ethanol. The question of solvent assistance and the validity of selectivity probes Duncan J. McLennan and Peter L. Martin pg 1091; DOI: 10.1039/P29820001091 |
An approach towards identification of product precursors in the solvolyses of diarylmethyl p-nitrobenzoates in ethanol–water solvents Duncan J. McLennan and Peter L. Martin pg 1099; DOI: 10.1039/P29820001099 |
Deuterium isotope effects and the bunnett w factor in elimination reactions of 4-alkoxyimino-5,6-dihydro-6-alkoxyaminopyrimidin-2(1H-)one in strong acid media Paul J. Atkins David J. Palling Nai L. Poon and C. Dennis Hall pg 1107; DOI: 10.1039/P29820001107 |
Thermal and photochemical reactions of the anion radical and dianion of dibenzothiophen Osamu Ito Tamotsu Aruga and Minoru Matsuda pg 1113; DOI: 10.1039/P29820001113 |
Isomers of 3-methylthio-1,5-diarylformazans and their interconversion in solution Alan T. Hutton and Harry M. N. H. Irving pg 1117; DOI: 10.1039/P29820001117 |
Enzymatic in vitro reduction of ketones. Part 8. A new model for the reduction of cyclic ketones by horse liver alcohol dehydrogenase. (HLAD) Guy L. Lemière Tony A. Van Osselaer Josef A. Lepoivre and Frank C. Alderweireldt pg 1123; DOI: 10.1039/P29820001123 |
On the formation of adduct ions in gas-phase aromatic substitution Fulvio Cacace pg 1129; DOI: 10.1039/P29820001129 |
Molecular inclusion in functionalized macrocycles. Part 5. The crystal and molecular structure of 25,26,27,28,29-pentahydroxycalix[5]arene–acetone (1 : 2) clathrate Marilena Coruzzi Giovanni Dario Andreetti Vittorio Bocchi Andrea Pochini and Rocco Ungaro pg 1133; DOI: 10.1039/P29820001133 |
Evidence for the intermediacy of the aryl radical in the Sandmeyer reaction Carlo Galli pg 1139; DOI: 10.1039/P29820001139 |
Methyl radical addition to nitroalkane aci-anions in aqueous solution: rate constants and optical absorption spectra Dieter Veltwisch and Klaus-Dieter Asmus pg 1143; DOI: 10.1039/P29820001143 |
On the reaction of methyl and phenyl radicals with p-benzoquinone in aqueous solution Dieter Veltwisch and Klaus-Dieter Asmus pg 1147; DOI: 10.1039/P29820001147 |
Protonation kinetics of anionic intermediates in the electrochemical reduction of triphenylethylene: a disproportionation mechanism Giuseppe Farnia Flavio Maran Giancarlo Sandonà and Maria Gabriella Severin pg 1153; DOI: 10.1039/P29820001153 |
The syntheses and crystal structures of exo-2,exo-6-dihydroxybicyclo[3.3.1]nonane and exo-2,exo-6-dihydroxy-2,6-diethylbicyclo[3.3.1]nonane which do not contain the host helical canals of crystalline exo-2,exo-6-dihydroxy-2,6-dimethylbicyclo[3.3.1]nonane Roger Bishop Shamima Choudhury and Ian Dance pg 1159; DOI: 10.1039/P29820001159 |
Peptide cyclols. Crystal structure and molecular conformation of the oxacyclol derived from L-2-hydroxyisovaleryl-L-phenylalanyl-L-proline Gino Lucente Francesco Pinnen Giancarlo Zanotti Silvio Cerrini Fernando Mazza Anna L. Segre and Walter Fedeli pg 1169; DOI: 10.1039/P29820001169 |
The mechanisms of thermal eliminations. Part 11. Rate data for pyrolysis of 2-alkoxypyridines to 2-pyridone, and of 2-ethoxypicolines to 2-picolones: nature and polarity of the transition state Nouria Al-Awadi John Ballam Paul R. Hemblade and Roger Taylor pg 1175; DOI: 10.1039/P29820001175 |
The mechanisms of thermal eliminations. Part 12. Relative rates of pyrolysis of ethyl, isopropyl, t-butyl, and n-butyl vinyl ethers: rate spread as an index of elimination mechanisms Ian McEwen and Roger Taylor pg 1179; DOI: 10.1039/P29820001179 |
The chemical reactivity of penicillins and other -lactam antibiotics Philip Proctor Nigel P. Gensmantel and Michael I. Page pg 1185; DOI: 10.1039/P29820001185 |
Electrophilic substitution with rearrangement. Part 10. Some products of bromination of 2.4-dimethylphenol and of 4-t-butyl-2- methylphenol Judith M. Brittain Peter B. D. de la Mare Paul A. Newman and Wong See Chin pg 1193; DOI: 10.1039/P29820001193 |
Molecular mechanics of organic halides. Part 6. Modified Del Re electrostatics and the force field Amatzya Y. Meyer pg 1199; DOI: 10.1039/P29820001199 |
Reactions at high pressure. Part 9. The volume profile for the cycloaddition of methyl acrylate to a pyridinium betaine Neil S. Isaacs and Paul G. J. van der Beeke pg 1205; DOI: 10.1039/P29820001205 |
Conformation of thianthren and 2,7-dichlorothianthren partially oriented in a nematic phase Giovanni Fronza Enzio Ragg and Giuseppe Ronsisvalle pg 1209; DOI: 10.1039/P29820001209 |
Front cover pg X037; DOI: 10.1039/P298200FX037 |
Contents pages pg P037; DOI: 10.1039/P298200FP037 |
Back cover pg X039; DOI: 10.1039/P298200BX039 |
Conformational studies on a 1,2,3,4,5-pentachloro-8-phenyltetralin Maria C. Aversa Gabriella Bombieri Giuseppe Bruno Giampietro Cum Placido Giannetto and Giovanni Romeo pg 1213; DOI: 10.1039/P29820001213 |
A molecular orbital interpretation of the structure of some halogenoalkyl radicals Lluis M. Molino Josep M. Poblet and Enric Canadell pg 1217; DOI: 10.1039/P29820001217 |
Protonation of some 3-, 4-, and 5-substituted thiophen-2-carboxamides Gaetano Alberghina Salvatore Fisichella Salvatore Occhipinti Giovanni Consiglio Domenico Spinelli and Renato Noto pg 1223; DOI: 10.1039/P29820001223 |
Pterins. Part 9. The structure of quinonoid dihydropterins [2-amino-7,8-dihydropteridin-4(6H)-ones] Wilfred L. F. Armarego and Paul Waring pg 1227; DOI: 10.1039/P29820001227 |
The crystal structure of the amino-terminal pentapeptide of suzukacillin. Occurrence of a four-fold peptide helix Athappilly K. Francis Mohammed Iqbal Padmanabhan Balaram and Mamannamana Vijayan pg 1235; DOI: 10.1039/P29820001235 |
The isomerisation of some ortho-substituted nitrobenzenes: a structure correlation analysis Michael G. Hutchings pg 1241; DOI: 10.1039/P29820001241 |
An electron spin resonance study of trialkylsilyl radical addition to alkyl isocyanates Jehan A. Baban Malcolm D. Cook and Brian P. Roberts pg 1247; DOI: 10.1039/P29820001247 |
Reaction of a highly spiro-activated electrophilic cyclopropane with pyridines. The substituent effect on the reaction rate Katsuo Ohkata Takashi Nagai Akira Tamaru Masa-aki Nandate and Terukiyo Hanafusa pg 1255; DOI: 10.1039/P29820001255 |
Photocontrol of micellar catalyses Seiji Shinkai Katsuta Matsuo Akiko Harada and Osamu Manabe pg 1261; DOI: 10.1039/P29820001261 |
Silyl halide radical anions Timothy Clark pg 1267; DOI: 10.1039/P29820001267 |
Indirect detection of carbenes by electron spin resonance: triplet trapping Alexander R. Forrester and John S. Sadd pg 1273; DOI: 10.1039/P29820001273 |
Conformational study of a dinucleoside monophosphate in aqueous solution using the lanthanide probe method Carlos F. G. C. Geraldes and Robert J. P. Williams pg 1279; DOI: 10.1039/P29820001279 |
The conformation of thioanisoles studied using nuclear magnetic resonance spectra of liquid crystalline solutions James W. Emsley Marcello Longeri Carlo Alberto Veracini Donata Catalano and Gian Franco Pedulli pg 1289; DOI: 10.1039/P29820001289 |
Phenylhydrazone derivatives of dimedone: hydrogen bonding, spectral (13C and 1H nuclear magnetic resonance) and conformational considerations. Crystal and molecular structures of 5,5-dimethylcyclohexane-1,2,3-trione 2-(4-methylphenylhydrazone)(1) and 5,5-dimethylcyclohexane-1,2,3-trione 2-(4-nitrophenylhydrazone)(2) Michael G. B. Drew (the late) Brian Vickery and Gerald R. Willey pg 1297; DOI: 10.1039/P29820001297 |
Kinetics of reaction of picryl bromide with substituted biphenyl-4-carboxylate ions Ponnambalanadar Ananthakrishnanadar and Nagaratnam Kannan pg 1305; DOI: 10.1039/P29820001305 |
The kinetics and mechanism of the cyclisation of some 2-hydroxychalcones to flavanones in basic aqueous solution K. Barry Old and Lyndsay Main pg 1309; DOI: 10.1039/P29820001309 |
The mechanism of the gas-phase pyrolysis of esters. Part 13. The very strong activating effects of -trialkylmetal groups Colin Eaborn Foad M. S. Mahmoud and Roger Taylor pg 1313; DOI: 10.1039/P29820001313 |
Front cover pg X041; DOI: 10.1039/P298200FX041 |
Contents pages pg P041; DOI: 10.1039/P298200FP041 |
Back cover pg X043; DOI: 10.1039/P298200BX043 |
Regioselective reactions in heteroaromatic systems. Rules for methyl migration and nucleophilic substitution in methyl cyanurates and thiocyanurates Maria Livia Tosato and Laura Soccorsi pg 1321; DOI: 10.1039/P29820001321 |
The circular dichroism of 3-alkylthio- and 3-arylthio-cyclohexanones: an analysis of through bonds and dynamic coupling contributions to the optical activity Stefano Colonna John Hudec Giovanni Gottarelli Paolo Mariani Gian P. Spada and Paolo Palmieri pg 1327; DOI: 10.1039/P29820001327 |
Infrared and 1H nuclear magnetic resonance studies of hydrogen bonds in some pyridine N-oxide trifluoroacetates and their deuteriated analogues in dichloromethane Bogumi Brycki and Mirosaw Szafran pg 1333; DOI: 10.1039/P29820001333 |
Lichens and fungi. Part 16. The crystal and molecular structures of stictane-3,22-diol and 22-hydroxy-3,4-secostictan-3-oic acid R. Edward Corbett Jim Simpson Eng Meng Goh Brian K. Nicholson Alistair L. Wilkins and Ward T. Robinson pg 1339; DOI: 10.1039/P29820001339 |
Solution chemistry of macrocycles. Part 3. Synthesis and thermodynamics of protonation of some tetra-azamacrocycles Massimo Bartolini Antonio Bianchi Mauro Micheloni and Piero Paoletti pg 1345; DOI: 10.1039/P29820001345 |
Addition reaction with 2-methyl-2-nitrosopropane and pressure dependence of ionized picoline N-oxides in the gas phase Mitsuo Uchida pg 1349; DOI: 10.1039/P29820001349 |
Unstable intermediates. Part 202. The use of spin traps to study trialkylsilyl and related radicals Harish Chandra Iain M. T. Davidson and Martyn C. R. Symons pg 1353; DOI: 10.1039/P29820001353 |
Mechanism of the reactions of substituted anilines with phenyl 2,4,6-trinitrophenyl ether in benzene: evidence for a cyclic transition state involving an eight-membered ring Olayinka Banjoko and Chike Ezeani pg 1357; DOI: 10.1039/P29820001357 |
A molecular orbital study of the mechanism of the oxidation of acetylene by peroxyformic acid Joe Koller and Boo Plesniar pg 1361; DOI: 10.1039/P29820001361 |
1,3-Migration of a cyano-group in substituted 3-cyanopropyl radicals Adrian Bury Peter Bougeard Stephen J. Corker Michael D. Johnson and Michèle Perlmann pg 1367; DOI: 10.1039/P29820001367 |
Aromatic substitution in the gas phase. Alkylation of arenes by C4H9+ ions from the protonation of C4 alkenes and cycloalkanes with gaseous Brnsted acids Fulvio Cacace Giovanna Ciranni and Pierluigi Giacomello pg 1373; DOI: 10.1039/P29820001373 |
The kinetics and mechanism of thioamide hydrolysis promoted by gold(III) bromides in aqueous solution Jacob V. Micallef and Derek P. N. Satchell pg 1379; DOI: 10.1039/P29820001379 |
Denitrosation of N-acetyl-N1-nitrosotryptophan in acid solution Thomas A. Meyer D. Lyn H. Williams Raymond Bonnett and Suan L. Ooi pg 1383; DOI: 10.1039/P29820001383 |
An electron spin resonance study of some trapped primary radicals John C. Bevington Petrina F. Fridd and Brian J. Tabner pg 1389; DOI: 10.1039/P29820001389 |
The photochemistry of azo-dyes. The wavelength-dependent photo-reduction of 4-diethylamino-4-nitroazobenzene Angelo Albini Elisa Fasani and Silvio Pietra pg 1393; DOI: 10.1039/P29820001393 |
Photoinduced ionic and free-radical reactions of some organosilicon iodides Colin Eaborn Kazem D. Safa Alfred Ritter and Werner Binder pg 1397; DOI: 10.1039/P29820001397 |
Electroreduction of methyl 2-bromo-2-phenylpropanoate on a vitreous carbon electrode: meso- and DL-dimethyl 2,3-dimethyl-2,3-diphenylsuccinate Carlo de Luca Achille Inesi and Liliana Rampazzo pg 1403; DOI: 10.1039/P29820001403 |
Prediction of proton affinities and protonation sites using a multivariate linear correlation Javier Catalán Otilia Mó Pilar Pérez and Manuel Yáñez pg 1409; DOI: 10.1039/P29820001409 |
Methodological strategy in locating transition states. Cyclization of the carbonyl ylide CH2O+–CH2– and its cycloaddition to ethylene José M. Lluch and Juan Bertrán pg 1419; DOI: 10.1039/P29820001419 |
Rates and equilibria of aldimine formation between pyridoxal 5-phosphate and N-hexylamine José M. Sánchez-Ruiz Juan M. Rodríguez-Pulido Juan Llor and Manuel Cortijo pg 1425; DOI: 10.1039/P29820001425 |
Asymmetric photodestruction of bicyclo[2.2.2]oct-2-ene-5,7-dione: absolute configuration and 1n-* excited state geometry Peter H. Schippers and Harry P. J. M. Dekkers pg 1429; DOI: 10.1039/P29820001429 |
Orientation of methanol enclathrated in the -hydroquinone lattice: an X-ray crystallographic study Thomas C. W. Mak pg 1435; DOI: 10.1039/P29820001435 |
Electron spin resonance studies. Part 63. Selective radical oxidation by titanium(IV) complexes Bruce C. Gilbert Richard O. C. Norman Peter S. Williams and Jeremy N. Winter pg 1439; DOI: 10.1039/P29820001439 |
Homolytic ring fission reactions of cycloalkylmethyl and bicycloalkyl radicals James R. Bews Christopher Glidewell and John C. Walton pg 1447; DOI: 10.1039/P29820001447 |
A stepwise mechanism in the reaction of amines with carbodi-imides to form guanidines Ibrahim T. Ibrahim and Andrew Williams pg 1455; DOI: 10.1039/P29820001455 |
Direct spectrophotometric observation of an O-acylisourea intermediate: concerted general acid catalysis in the reaction of acetate ion with a water-soluble carbodi-imide Ibrahim T. Ibrahim and Andrew Williams pg 1459; DOI: 10.1039/P29820001459 |
An E1cB mechanism for the alkaline hydrolysis of thiolesters of fluorene-9-carboxylic acid: effect of ester conjugate base structure on differential eliminative reactivity of oxygen and sulphur nucleofuges Manoochehr Alborz Kenneth T. Douglas and Fouad M. Said pg 1467; DOI: 10.1039/P29820001467 |
1H nuclear magnetic resonance studies of the conformations of adrenocorticotropic hormone ACTH(1–10) and related peptides in aqueous and trifluoroethanol solutions Brian J. Rawson James Feeney Barry J. Kimber and H. M. Greven pg 1471; DOI: 10.1039/P29820001471 |
Lanceomigine N-oxide. A structural examination using 1H nuclear magnetic resonance and transient nuclear Overhauser effect measurements Frank Heatley David I. Bishop and John A. Joule pg 1479; DOI: 10.1039/P29820001479 |
Conformational analysis of the cyclopropylacyl, oxiranylacyl, and aziridinylacyl radicals by electron spin resonance spectroscopy Alwyn G. Davies and Roger Sutcliffe pg 1483; DOI: 10.1039/P29820001483 |
Electrophilic aromatic substitution. Part 33. Partial rate factors for protiodetritiation of benzo[b]thiophen; the resonance-dependent reactivity of the ring positions Hassan B. Amin Amin A. Awad William J. Archer and Roger Taylor pg 1489; DOI: 10.1039/P29820001489 |
Front cover pg X045; DOI: 10.1039/P298200FX045 |
Contents pages pg P045; DOI: 10.1039/P298200FP045 |
Back cover pg X047; DOI: 10.1039/P298200BX047 |
The influence of solvation on mesitylene oxidation by oxygen in polar media Roumen A. Tarkalanov Antoaneta D. Stephanova and Dimscho I. Dimitrov pg 1493; DOI: 10.1039/P29820001493 |
Thermal decomposition kinetics of lead(II) decanoate Henry A. Ellis and Eric K. Okoh pg 1497; DOI: 10.1039/P29820001497 |
Solvent and gas-phase effects on the equilibrium between configurational isomers of some 4-t-butyicyclohexanes Michael H. Abraham Luigi E. Xodo Michael J. Cook and Raymundo Cruz pg 1503; DOI: 10.1039/P29820001503 |
Hydrolysis of 3-nitrophenyl acetate by -cyclodextrin in substituted imidazole buffers Masayasu Akiyama Tadatoshi Ohmachi and Masao Ihjima pg 1511; DOI: 10.1039/P29820001511 |
Electron spin resonance study of 10-(3-dimethylamino-2-methylpropyl)phenothiazine cation radical in solution Francisco Lopez Ruperez Jose C. Conesa and Javier Soria pg 1517; DOI: 10.1039/P29820001517 |
Chemical studies of marine invertebrates. Part 46. Confirmation of the molecular structure of sigmosceptrellin-B by X-ray diffraction analysis Carla Piccinni-Leopardi Gabriel Germain Maurice Van Meerssche Martine Albericci Jean-Claude Braekman Désiré Daloze and Bernard Tursch pg 1523; DOI: 10.1039/P29820001523 |
Conformational studies by dynamic nuclear magnetic resonance. Part 24. Gear effect in di-isopropyl-nitrosoamine and -phenyltriazene studied by carbon-13 nuclear magnetic resonance and molecular mechanics Lodovico Lunazzi Maurizio Guerra Dante Macciantelli and Giovanni Cerioni pg 1527; DOI: 10.1039/P29820001527 |
Determination of constants of anionic substituents based on nitrile infrared frequencies and intensities Ivan G. Binev Rositsa B. Kuzmanova José Kaneti and Ivan N. Juchnovski pg 1533; DOI: 10.1039/P29820001533 |
Electron spin resonance spectra of free radicals. Part 1. -Fluoromethylbenzyl radical and related species Kheng H. Lee and Steven Brumby pg 1537; DOI: 10.1039/P29820001537 |
Dipole moments, spectroscopy, and ground and excited state conformations of cycloalkane-1,2-diones Paul L. Verheijdt and Hans Cerfontain pg 1541; DOI: 10.1039/P29820001541 |
1,3-Dialkyltriazenyl radicals: their electron spin resonance spectra. Electronic configuration, and addition to trialkyl phosphites John C. Brand and Brian P. Roberts pg 1549; DOI: 10.1039/P29820001549 |
The role of electron transfer processes in the photoinduced decarboxylation reaction of -oxo-carboxylic acids R. Stephen Davidson and Dean Goodwin pg 1559; DOI: 10.1039/P29820001559 |
Studies on the reactivity of azoxybenzenes. Part 12. -Interconversion of para-monosubstituted azoxybenzenes in the Wallach rearrangement Jiro Yamamoto Hironori Aimi Yasuko Masuda Takashi Sumida Masahiro Umezu and Teruo Matuura pg 1565; DOI: 10.1039/P29820001565 |
The reaction of some cyclic and open-chain disulphides with methyl trifluoromethanesulphonate Michael Ravenscroft Roger M. G. Roberts and John G. Tillett pg 1569; DOI: 10.1039/P29820001569 |
Studies of the borderline between concerted and stepwise mechanisms of elimination: E1cB elimination of fluoren-9-yl-methyl carboxylate esters Rory A. More O'Ferrall Finbar Larkin and Peter Walsh pg 1573; DOI: 10.1039/P29820001573 |
-Elimination of 9-halogeno-9,9-bifluorenyls. An E1cB dehydrohalogenation Edwin Carey Rory A. More O'Ferrall and Nicholas M. Vernon pg 1581; DOI: 10.1039/P29820001581 |
Dynamic aspects of the stereochemistry of phenothiazines in solution. Part 2. Segmental motion and conformational analysis of the side-chain in promazines Enzio Ragg Giovanni Fronza and Rosanna Mondelli pg 1587; DOI: 10.1039/P29820001587 |
Nucleophilic displacement in polyhalogenoaromatic compounds. Part 11. Kinetics of protiodeiodination of iodoarenes in dimethyl sulphoxide–methanol Roger Bolton Clive Moore and John P. B. Sandall pg 1593; DOI: 10.1039/P29820001593 |
Electrochemical oxidation of 1-phenylpyrazolidin-3-ones. Part 1. 4- and 5-Substituted 1-phenylpyrazolidin-3-ones Anthony J. Bellamy David I. Innes and Peter J. Hillson pg 1599; DOI: 10.1039/P29820001599 |
1-Iodoacetylenes. Part 2. Formation constants of their complexes with Lewis bases Christian Laurence Michèle Queignec-Cabanetos and Bruno Wojtkowiak pg 1605; DOI: 10.1039/P29820001605 |
New cyanofluorene derivatives as electron acceptors in semiconducting complexes Giuseppe Sbrana Mirella Scotton and Leonardo Angeloni pg 1611; DOI: 10.1039/P29820001611 |
Alkoxide solutions: 1H nuclear magnetic resonance chemical shifts, deuterium fractionation factors, and the solvation of alkoxide ions Victor Gold Kenneth P. Morris and Charles F. Wilcox pg 1615; DOI: 10.1039/P29820001615 |
The stabilities of Meisenheimer complexes. Part 31. The reactions of 2,2,4,4,6,6-hexanitrostilbene with alkoxides Michael R. Crampton Paul J. Routledge and Peter Golding pg 1621; DOI: 10.1039/P29820001621 |
Alkaline hydrolysis of aryl phenylacetates and aryl 4-nitrophenylacetates. Evidence consistent with an elimination–addition mechanism Ramamurthy Chandrasekar and Nagaswami Venkatasubramanian pg 1625; DOI: 10.1039/P29820001625 |
A study on the structures of 3-methoxycarbonylrifamycins by X-ray crystallography and 1H nuclear magnetic resonance spectroscopy Luciano Cellai Silvio Cerrini Annalaura Segre Mario Brufani Walter Fedeli and Alessandro Vaciago pg 1633; DOI: 10.1039/P29820001633 |
Crystal and molecular structure of schkuhriolid monohydrate, a cis, trans-germacra-1(10),4-dien-cis-8,12-olide Urszula Rychlewska pg 1641; DOI: 10.1039/P29820001641 |
The stereochemistry of alkylation of -aminonitrile anions by chiral 1-methylheptyl halides Jean Chauffaille Eric Hebert and Zoltan Welvart pg 1645; DOI: 10.1039/P29820001645 |
Substituent effects on tautomerisation constants of alkylaryltriazenes Migel A. Kelly Martin Murray and Michael L. Sinnott pg 1649; DOI: 10.1039/P29820001649 |
Pathways for the decomposition of alkylaryltriazenes in aqueous solution Caroline C. Jones Migel A. Kelly Michael L. Sinnott Paul J. Smith and George T. Tzotzos pg 1655; DOI: 10.1039/P29820001655 |
Effect of aryl substituents on the kinetics of inactivation of glycosidases by glycosylmethylaryltriazenes: examination of the suicide nature of these inactivations Michael L. Sinnott George T. Tzotzos and Susan E. Marshall pg 1665; DOI: 10.1039/P29820001665 |
The reduction of triarylcarbenium ions by alcohols: simple hydride transfer or concerted breakdown of ortho-adducts ? Péter Huszthy Károly Lempert Gyula Simig and József Tamás pg 1671; DOI: 10.1039/P29820001671 |
Malonylcoenzyme a models. Part 1. E1cB (keten) Pathway for acyl transfers of malonic acid thiolmonoesters including S-malonylcoenzyme A Kenneth T. Douglas Manoochehr Alborz Gregory R. Rullo and Norbert F. Yaggi pg 1675; DOI: 10.1039/P29820001675 |
Malonylcoenzyme A models. Part 2. The methylene deprotonation step of the E1cB acyl transfer of malonic acid thiolmonoesters Manoochehr Alborz Kenneth T. Douglas Gregory R. Rullo and Norbert F. Yaggi pg 1681; DOI: 10.1039/P29820001681 |
Free radical substitution. Part 37. The effect of solvent on the atomic chlorination of 1-substituted butanes and related compounds Alan Potter and John M. Tedder pg 1689; DOI: 10.1039/P29820001689 |
Metalation shifts in the nuclear magnetic resonance spectra of capped porphyrins Nigel J. Clayden Geoffrey R. Moore Robert J. P. Williams Jack E. Baldwin and Maxwell J. Crossley pg 1693; DOI: 10.1039/P29820001693 |
An electron spin resonance study of the generation and reactions of borane radical anions in solution Jeremy R. M. Giles and Brian P. Roberts pg 1699; DOI: 10.1039/P29820001699 |