Errata pg X001; DOI: 10.1039/P2972000X001 |
Index of authors, 1972 pg 2391; DOI: 10.1039/P29720002391 |
Index of subjects, 1972 pg 2411; DOI: 10.1039/P29720002411 |
Contents pages pg P001; DOI: 10.1039/P297200FP001 |
Carbon-13 and nitrogen-15 nuclear magnetic resonance spectroscopy: a fourier N.m.r. study of [15N]quinoline P. S. Pregosin E. W. Randall and A. I. White pg 1; DOI: 10.1039/P29720000001 |
Covalent hydrates as transient species in heterocyclic rearrangements. Part I. The ring fission of some s-triazolopyrazines S. Nicholson G. J. Stacey and P. J. Taylor pg 4; DOI: 10.1039/P29720000004 |
Mutarotation of 2-amino-2-deoxy-D-glucose A. P. Fletcher and A. Neuberger pg 12; DOI: 10.1039/P29720000012 |
Photochromism: nature of the coloured form of 1,2-dihydroquinolines Jaroslav Kolc and Ralph S. Becker pg 17; DOI: 10.1039/P29720000017 |
Solvolysis of exo- and endo-5,6-(o-phenylene)- and -(1,8-naphthylene)-2-norbornyl toluene-p-sulphonates R. Baker and T. J. Mason pg 18; DOI: 10.1039/P29720000018 |
Rearrangements of pinane derivatives. Part IV. Solvolysis of the myrthanyl toluene-p-sulphonates P. I. Meikle J. R. Salmon and D. Whittaker pg 23; DOI: 10.1039/P29720000023 |
The synthesis and fluorescent characteristics of some heteroaromatic derivatives of 2,2-bithienyl R. E. Atkinson and F. E. Hardy pg 27; DOI: 10.1039/P29720000027 |
The carbon-13 and phosphorus-31 nuclear magnetic resonance spectra of some tertiary phosphines B. E. Mann pg 30; DOI: 10.1039/P29720000030 |
The conformational analysis of saturated heterocycles. Part XLII. 1,2-Dimethylhexahydropyridazine Richard A. Y. Jones A. R. Katritzky D. L. Ostercamp K. A. F. Record and A. C. Richards pg 34; DOI: 10.1039/P29720000034 |
The conformational analysis of saturated heterocycles. Part XLIII. 1-t-Butylpiperidine-4-spiro-2-aziridine, -oxiran, and -thiiran Richard A. Y. Jones A. R. Katritzky P. G. Lehman A. C. Richards and R. Scattergood pg 41; DOI: 10.1039/P29720000041 |
The kinetics of nitrilimine formation in base-catalysed hydrolysis of hydrazonyl halides A. F. Hegarty M. P. Cashman and F. L. Scott pg 44; DOI: 10.1039/P29720000044 |
Kinetics of reactions of Friedel–Crafts acylating agents. Part II. Effect of substituents in the acid chloride on the acylation of aromatic substrates L. R. Pettiford pg 52; DOI: 10.1039/P29720000052 |
Organosilicon compounds. Part XLIX. Some reactions of bis(triphenylsilyl)mercury C. Eaborn R. A. Jackson and M. T. Rahman pg 55; DOI: 10.1039/P29720000055 |
Thermal equilibration of substituted trans-1,2-dibromocyclohexanes P. L. Barili G. Bellucci G. Berti F. Marioni A. Marsili and I. Morelli pg 58; DOI: 10.1039/P29720000058 |
The chemistry of heteroarylphosphorus compounds. Part II. The importance of inductive effects on pre-equilibria in the alkaline hydrolysis of heteroarylphosphonium salts; phosphorus-31 nuclear magnetic resonance studies David W. Allen B. G. Hutley and Malcolm T. J. Mellor pg 63; DOI: 10.1039/P29720000063 |
The chemistry of heteroarylphosphorus compounds. Part III. The alkaline hydrolysis of heteroarylmethyl analogues of benzyltriphenyl-phosphonium bromide; relative stabilities of heteroarylmethyl carbanions David W. Allen and B. G. Hutley pg 67; DOI: 10.1039/P29720000067 |
The dependence of the values of electrophilic substitutions upon the nature of the aromatic substrate: trifluoroacetylation of substituted furans, thiophens, and pyrroles Sergio Clementi and Gianlorenzo Marino pg 71; DOI: 10.1039/P29720000071 |
Kinetics and mechanism of the Fischer–Hepp rearrangement. Part I. Rearrangement of N-nitroso-N-methylaniline in hydrochloric acid T. D. B. Morgan and D. L. H. Williams pg 74; DOI: 10.1039/P29720000074 |
Antimony halides as solvents. Part IX. The dimerisation of trans-stilbene in molten antimony trichloride M. Hiscock and G. B. Porter pg 79; DOI: 10.1039/P29720000079 |
Aromatic substitution in the gas phase. Part III. Reaction of the D2T+ ion with gaseous arenes. General remarks on the reactivity of gaseous Brnsted acids Fulvio Cacace Romano Cipollini and Giorgio Occhiucci pg 84; DOI: 10.1039/P29720000084 |
Deuterium solvent isotope effects on reactions involving the aqueous hydroxide ion V. Gold and S. Grist pg 89; DOI: 10.1039/P29720000089 |
Aromatic reactivity. Part XLIX. Detritiation of [3H]phenanthrenes and 9,10-dihydro[2-3H]phenanthrene K. C. C. Bancroft R. W. Bott and C. Eaborn pg 95; DOI: 10.1039/P29720000095 |
Aromatic reactivity. Part L. Thiophen, benzo[b]thiophen, anisole, and thioanisole in detritiation. Substituent constants for use in electrophilic aromatic substitution R. Baker C. Eaborn and R. Taylor pg 97; DOI: 10.1039/P29720000097 |
Long-range coupling in the proton nuclear magnetic resonance spectra of some benzothiophen and benzofuran analogues E. V. Blackburn T. J. Cholerton and C. J. Timmons pg 101; DOI: 10.1039/P29720000101 |
The stereochemistry of organometallic compounds. Part XII. The acid strengths of some tricarbonyl(alkylbenzoic acid)chromium compounds, their nuclear magnetic resonance spectra, and the spectra of some related compounds M. Ashraf and W. R. Jackson pg 103; DOI: 10.1039/P29720000103 |
Electric dipole moments and molecular conformations of benzophenones, benzils, benzhydrols, and benzoins C. W. N. Cumper and A. P. Thurston pg 106; DOI: 10.1039/P29720000106 |
Polyfluoroalkyl derivatives of nitrogen. Part XXXII. The kinetics and mechanism of the copolymerisation of trifluoronitrosomethane and tetrafluoroethylene J. D. Crabtree R. N. Haszeldine A. J. Parker K. Ridings R. F. Simmons and S. Smith pg 111; DOI: 10.1039/P29720000111 |
Polyfluoroalkyl derivatives of nitrogen. Part XXXIII. The kinetics of the reaction between trifluoronitrosomethane and tetrafluorethylene to form perfluoro-2-methyl-1,2-oxazetidine J. D. Crabtree R. N. Haszeldine K. Ridings R. F. Simmons and S. Smith pg 119; DOI: 10.1039/P29720000119 |
Contents pages pg P005; DOI: 10.1039/P297200FP005 |
Nuclear magnetic resonance experiments on acetals. Part XXXIII. Conformational equilibria in some 4,4-gem-substituted cyclohexanone dimethyl acetals W. Vandenbroucke and M. Anteunis pg 123; DOI: 10.1039/P29720000123 |
Enthalpy of dissociation of nitric acid in aqueous sulphuric acid and its relation to the activation energies of encounter-controlled nitrations S. R. Hartshorn R. B. Moodie and K. Stead pg 127; DOI: 10.1039/P29720000127 |
Stereochemical aspects of Michael-type additions to 5-t-butylcyclohex-2-enone P. Chamberlain and G. H. Whitham pg 130; DOI: 10.1039/P29720000130 |
The thermodynamics of hydration of phenols G. H. Parsons C. H. Rochester A. Rostron and P. C. Sykes pg 136; DOI: 10.1039/P29720000136 |
The ultraviolet absorption spectra of 2,2-biphenyls with bridges containing ether, sulphide, and sulphone groups Peter N. Braunton Ian T. Millar and John C. Tebby pg 138; DOI: 10.1039/P29720000138 |
Calculation of molecular geometries of some halogeno- and piperidino-cyclohexenones by dipole moment analysis D. Pitea and G. Favini pg 142; DOI: 10.1039/P29720000142 |
Trityl cation as a leaving group in electrophilic vinylic substitution Zvi Rappoport and Ilan Schnabel pg 146; DOI: 10.1039/P29720000146 |
Intramolecular general acid catalysis of phosphate monoester hydrolysis. The hydrolysis of salicyl phosphate R. H. Bromilow and A. J. Kirby pg 149; DOI: 10.1039/P29720000149 |
Studies on nitroaromatic compounds. Part IV. Electron acceptor properties of polynitronaphthalene-1,8-dicarboxylic anhydrides in complex formation C. H. J. Wells and J. A. Wilson pg 156; DOI: 10.1039/P29720000156 |
Heteroaromatic rings as substituents. Part IV. The non-constancy of the p+ constants of the 2-thienyl and 2-furyl groups Francesco Fringuelli Gianlorenzo Marino and Aldo Taticchi pg 158; DOI: 10.1039/P29720000158 |
The infrared spectrum of phthalocyanine: assignment of N–H modes M. P. Sammes pg 160; DOI: 10.1039/P29720000160 |
Electrophilic aromatic reactivities via pyrolysis of 1-arylethyl acetates. Part VIII. The 1-position of biphenylene R. Taylor M. P. David and J. F. W. McOmie pg 162; DOI: 10.1039/P29720000162 |
The kinetic isotope effect in the pyrolysis of esters and the nature of the transition state R. Taylor pg 165; DOI: 10.1039/P29720000165 |
Kinetics of hydrogen exchange in 1,3-dinitrobenzene in sodium methoxide–methan[2H]ol solutions I. R. Bellobono and G. Sala pg 169; DOI: 10.1039/P29720000169 |
Aromatic reactivity. Part LI. Nitrosodesilylation as a route to nitrodesilylation products from aryltrimethylsilanes and nitric acid in acetic anhydride C. Eaborn Z. S. Salih and D. R. M. Walton pg 172; DOI: 10.1039/P29720000172 |
Kinetics and mechanism of the thalliation of benzene and toluene by thallium(III) acetate catalysed by perchloric and sulphuric acid in aqueous acetic acid J. M. Briody and R. A. Moore pg 179; DOI: 10.1039/P29720000179 |
The hydrolysis of amides, esters, and related compounds in acid solution. Part IV. Phenyl chloroformate and the 1-(methoxycarbonyl)-imidazolium and -pyridinium ions R. B. Moodie and R. Towill pg 184; DOI: 10.1039/P29720000184 |
Potentially bifunctional reactants. The kinetics of aromatic nucleo-philic substitution by benzamidine and n-butylamine Gino Biggi Francesco Del Cima and Francesco Pietra pg 188; DOI: 10.1039/P29720000188 |
Thiophen-containing radicals. Anions of isomeric dithienylethylenes L. Lunazzi A. Mangini G. Placucci P. Spagnolo and M. Tiecco pg 192; DOI: 10.1039/P29720000192 |
Trichloronitrosomethane. Part II. Thermal decomposition, and an improved synthesis, of trichloronitrosomethane V. Astley and H. Sutcliffe pg 197; DOI: 10.1039/P29720000197 |
Reaction of the chloroallyl radical with molecular chlorine G. J. Martens M. Godfroid and L. Ramoisy pg 200; DOI: 10.1039/P29720000200 |
Ring–chain tautomerism. Part III. Substituted cis-3-benzoylacrylic acids K. Bowden and M. P. Henry pg 201; DOI: 10.1039/P29720000201 |
Ring–chain tautomerism. Part IV. cis-3-Acylacrylic acids K. Bowden and M. P. Henry pg 206; DOI: 10.1039/P29720000206 |
Transmission of polar effects. Part XIV. Ionisation of substituted trans-3-benzoylacrylic acids K. Bowden and M. P. Henry pg 209; DOI: 10.1039/P29720000209 |
Kinetics of the four-centre elimination of keten from bicyclo[3,2,0]hept-2-en-6-one in the gas phase Kurt W. Egger and Alan T. Cocks pg 211; DOI: 10.1039/P29720000211 |
The structural dependence of the inductive effect. Part III. The calculation of geminal substituent effects upon 1H and 13C chemical shifts, and directly-bonded substituent effects upon 13C, 11B, 31P, and 119Sn shielding L. Phillips and V. Wray pg 214; DOI: 10.1039/P29720000214 |
The structural dependence of the inductive effect. Part IV. The calculation of vicinal substituent effects upon 19F shielding in freely-rotating fluoroethanes and higher fluoroalkanes L. Phillips and V. Wray pg 220; DOI: 10.1039/P29720000220 |
The structural dependence of the inductive effect. Part V. Effects of vicinal substituents on the shielding of fluorine-19 nuclei in saturated compounds of fixed conformation, and in fluoro-olefins and ortho-substituted fluorobenzenes L. Phillips and V. Wray pg 223; DOI: 10.1039/P29720000223 |
Contents pages pg P007; DOI: 10.1039/P297200FP007 |
Primary photoprocesses in isoquinoline N-oxides Christian Lohse pg 229; DOI: 10.1039/P29720000229 |
Heterocyclic studies. Part XXVII. Mass spectra of 6-(meta- and para-substituted-phenyl)-uracil and -thiouracil derivatives Jim Clark Z. Munawar and A. W. Timms pg 233; DOI: 10.1039/P29720000233 |
Possible role of electron donor–acceptor complexes in chemical reactions: kinetic and spectroscopic studies P. C. Dwivedi and C. N. R. Rao pg 238; DOI: 10.1039/P29720000238 |
Absolute rate constants for the autoxidation of organometallic compounds. Part II. Benzylboranes and 1-phenylethylboranes S. Korcek G. B. Watts and K. U. Ingold pg 242; DOI: 10.1039/P29720000242 |
Crystal structure of N-(p-bromophenylcarbamoyl)thiamine anhydride (N,S-cis-type) H. Nakai and H. Koyama pg 248; DOI: 10.1039/P29720000248 |
The proton magnetic resonance spectra of six-membered cyclic acetals. Part III. The vicinal coupling constants of alkyl-substituted 1,3-dioxans existing in non-chair conformations Kalevi Pihlaja G. M. Kellie and F. G. Riddell pg 252; DOI: 10.1039/P29720000252 |
Molecular complexes. Part II. Kinetic studies of reactions of tetracyanoethylene with benz[a]anthracene and 9-bromo- and 9,10-dibromoanthracene C. C. Thompson and D. D. Holder pg 257; DOI: 10.1039/P29720000257 |
207Pb Satellite spectra and 207Pb–H long-range coupling constants of the symmetrical isomers of tetrafuryl- and tetrathienyl-lead G. Barbieri and F. Taddei pg 262; DOI: 10.1039/P29720000262 |
The kinetics and mechanisms of aromatic halogen substitution. Part XXX. Chlorination of triphenylene: linear free-energy relationships in chlorinations of some aromatic hydrocarbons G. W. Burton P. B. D. de la Mare L. Main and B. N. B. Hannan pg 265; DOI: 10.1039/P29720000265 |
Phenyl ester hydrolysis catalysed by alcalase. Case for electrophilic participation at ester carbonyl oxygen A. Williams and G. Woolford pg 272; DOI: 10.1039/P29720000272 |
Crystal structure of 5,6-dihydro-1-methyl-4-thiouracil M. J. E. Hewlins pg 275; DOI: 10.1039/P29720000275 |
Eliminations promoted by thiolate ions. Part IV. A Hammett equation study of the reactions of 1,1-diaryl-2,2,2-trichloro- and 1,1-diaryl-2,2-dichloro-ethane with benzenethiolate ions in ethanol D. J. McLennan and R. J. Wong pg 279; DOI: 10.1039/P29720000279 |
A study of rotational isomerism in 1,2-diphenylethane, its pp-disubstituted derivatives (Cl, Br, and CN), 2,3-diphenylbutane, and its pp-dibromo-substituted derivatives, by infrared and Raman spectroscopy and molecular polarisability measurements K. K. Chiu H. H. Huang and L. H. L. Chia pg 286; DOI: 10.1039/P29720000286 |
Nucleophilic substitution by piperidine in some 3-halogenocyclohex-2-enones D. Pitea and G. Favini pg 291; DOI: 10.1039/P29720000291 |
Molecular polarisability. The electronic anisotropy of the CAr–CF3 group K. E. Calderbank and R. K. Pierens pg 293; DOI: 10.1039/P29720000293 |
Kinetics of -chlorination of sulphoxides by iodobenzene dichloride M. Cinquini S. Colonna and D. Landini pg 296; DOI: 10.1039/P29720000296 |
Organic reactions in melts and solids. Part IX. Thermogravimetric studies of reactions between acetanilide and aromatic monocarboxylic acids Michael Michman and David Meidar pg 300; DOI: 10.1039/P29720000300 |
Rearrangements of a cation of the neopentyl-type containing a diphenyl-phosphinyl substituent P. F. Cann D. Howells and Stuart Warren pg 304; DOI: 10.1039/P29720000304 |
Activation of electrophilic aromatic substitution by the substituent –CH2Co(dmgH)2py. Products of reaction of benzylcobaloximes with halogens in acetic acid S. N. Anderson D. H. Ballard and M. D. Johnson pg 311; DOI: 10.1039/P29720000311 |
Substituent effects on the chemical shift of the hydroxy-proton of 2,6-dimethylphenols and 1-naphthols in dimethyl sulphoxide A. Fischer M. C. A. Opie J. Vaughan and G. J. Wright pg 319; DOI: 10.1039/P29720000319 |
Reactions of keten. Part III. Kinetics of the spontaneous and acetic acid-catalysed reactions of keten with water P. G. Blake and H. H. Davies pg 321; DOI: 10.1039/P29720000321 |
Accurate X-ray diffraction analysis of fibrous polysaccharides containing pyranose rings. Part I. The linked-atom approach Struther Arnott and W. E. Scott pg 324; DOI: 10.1039/P29720000324 |
Internal rotation barriers of carbonium ions Muthana Shanshal pg 335; DOI: 10.1039/P29720000335 |
A calorimetric study of phenol–pyridine complexes in carbon tetrachloride solution S. S. Barton J. P. Kraft T. R. Owens and L. J. Skinner pg 339; DOI: 10.1039/P29720000339 |
Crystal structures of complexes between alkali-metal salts and cyclic polyethers. Part III. Aquo-(2,3-benzo-1,4,7,10,13-pentaoxacyclopentadec-2-ene)sodium iodide M. A. Bush and Mary R. Truter pg 341; DOI: 10.1039/P29720000341 |
Crystal structures of complexes between alkali-metal salts and cyclic polyethers. Part IV. The crystal structures of dibenzo-30-crown-10 (2,3:17,18-dibenzo-1,4,7,10,13,16,19,22,25,28-decaoxacyclotriaconta-2,17-diene) and of its complex with potassium iodide M. A. Bush and Mary R. Truter pg 345; DOI: 10.1039/P29720000345 |
Contents pages pg P009; DOI: 10.1039/P297200FP009 |
Crystal structure of spirodienone II H. Koyama and T. Irie pg 351; DOI: 10.1039/P29720000351 |
The application of proton magnetic resonance spectra to the determination of configuration and conformation of 1,2,3,4,4a,9a-hexahydrocarbazoles H. Booth and T. Masamune pg 354; DOI: 10.1039/P29720000354 |
Structure and conformation of heterocycles. Part VI. The cis-1,4,5,8-tetraoxadecalin (hexahydro-p-dioxino[2,3-b]-p-dioxin) system: a chemical, conformational, and crystallographic study Benzion Fuchs Israel Goldberg and Uri Shmueli pg 357; DOI: 10.1039/P29720000357 |
Base-catalysed prototropic rearrangement. Part I. Comparison of the base-catalysed and the metal carbonyl-catalysed isomerisation of allyl ethers A. J. Hubert A. Georis R. Warin and P. Teyssié pg 366; DOI: 10.1039/P29720000366 |
The photoreaction of naphthalene with pyrrole; products and reaction mechanism J. J. McCullough W. S. Wu and C. W. Huang pg 370; DOI: 10.1039/P29720000370 |
Deuterium exchange at the 7-methyl group in 6,7,8-trimethyl-lumazine [6,7,8-trimethylpteridine-2(1H),4(3H)-dione]. An unusual example of general acid–general base catalysis Ross Stewart and J. M. McAndless pg 376; DOI: 10.1039/P29720000376 |
Preparation and nuclear magnetic resonance spectral analysis of some 1,3,2-dithiaphospholans S. C. Peake M. Fild R. Schmutzler R. K. Harris Mrs. J. M. Nichols and R. G. Rees pg 380; DOI: 10.1039/P29720000380 |
Nucleophilic aromatic substitution of the nitro-group Francesco Pietra and Dario Vitali pg 385; DOI: 10.1039/P29720000385 |
The reactions of organometallic compounds containing silicon. Part V. The spectra of triphenylsilyl-lithium, -sodium, -potassium, -rubidium, and -caesium and the reactions of these compounds with 1,1-diphenylethylene in tetrahydrofuran Alwyn G. Evans M. Ll. Jones and N. H. Rees pg 389; DOI: 10.1039/P29720000389 |
The basicities of some pyridazine derivatives R. F. Cookson and G. W. H. Cheeseman pg 392; DOI: 10.1039/P29720000392 |
The photochemical transformation of 3-methylcar-4-en-2-one into derivatives of 3,3,7-trimethylocta-4,6-dienoic acid. Revised stereochemical assignments A. J. Bellamy and W. Crilly pg 395; DOI: 10.1039/P29720000395 |
Conformations of some -unsaturated carbonyl compounds. Part III. Infrared solution spectra of methyl, [2H3]methyl, ethyl, and [2H5]ethyl acrylates and trans-crotonates W. O. George D. V. Hassid and W. F. Maddams pg 400; DOI: 10.1039/P29720000400 |
Aromatic mercuration. The reaction of mercury(II) acetate with p-tolyltrimethylsilane and with anisole J. R. Chipperfield G. D. France and D. E. Webster pg 405; DOI: 10.1039/P29720000405 |
The kinetics of solvolysis of 1-(3-chloro-4-methylphenyl)- and 1-(3-chloro-4-t-butylphenyl)-1-methylethyl chlorides in aqueous acetone M. Hassan A. Salama and M. Ubolo Bombala pg 410; DOI: 10.1039/P29720000410 |
Substituent effects in homolytic substitution reactions: phenylation of some 2-substituted thiophens C. M. Camaggi G. De Luca and A. Tundo pg 412; DOI: 10.1039/P29720000412 |
Crystal and molecular structure of cis-6-chloro-trans-7-chloro-cis-bicyclo[3,2,0]heptan-2-one F. P. Boer and P. P. North pg 416; DOI: 10.1039/P29720000416 |
The charge-transfer complex and photochemical reaction of 9-anthraldehyde hydrazone in sulphur dioxide–oxygen Hiroshi Takeuchi Toshikazu Nagai and Niichiro Tokura pg 420; DOI: 10.1039/P29720000420 |
Crystal and molecular structure of 1,6:8,13-propane-1,3-diylidene[14]-annulene A. Gavezzotti A. Mugnoli M. Raimondi and M. Simonetta pg 425; DOI: 10.1039/P29720000425 |
Phenanthrene–silver ion complexes in trifluoroacetic acid, and their influence on the rates of detritiation of [9-3H]phenanthrene in the presence of silver trifluoroacetate C. Eaborn D. R. Killpack J. N. Murrell and R. J. Suffolk pg 432; DOI: 10.1039/P29720000432 |
Carbon-13 nuclear magnetic resonance studies of piperidine and piperazine compounds. Part I. Empirical substituent parameters for C-methyl and N-methyl groups G. Ellis and R. G. Jones pg 437; DOI: 10.1039/P29720000437 |
Transmission of substituent effects in systems with bonds of different order. Kinetics of the reactions of 3-bromo-2-nitro-4-X-thiophens and 3-bromo-4-nitro-2-X-thiophens with sodium benzenethiolate in methanol D. Spinelli G. Guanti and C. Dell'Erba pg 441; DOI: 10.1039/P29720000441 |
Radical-anion intermediates. Part IV. Radical anions of some 9-substituted fluorenes B. J. Tabner and T. Walker pg 445; DOI: 10.1039/P29720000445 |
Transmission of substituent effects in phenoltricarbonylchromium compounds A. Wu E. R. Biehl and P. C. Reeves pg 449; DOI: 10.1039/P29720000449 |
Barriers to rotation in dialkylaminopyrimidines J. Almog A. Y. Meyer and H. Shanan-Atidi pg 451; DOI: 10.1039/P29720000451 |
Chemistry of the SO bond. Part I. Nuclear magnetic resonance and infrared studies on trimethylene sulphite C. H. Green and D. G. Hellier pg 458; DOI: 10.1039/P29720000458 |
Influence of protonic solvents on spin–spin coupling involving phosphorus directly bonded to hydrogen, fluorine, or another phosphorus atom in phosphoryl and thiophosphoryl molecules Wojciech J. Stec John R. Van Wazer and Nicholas Goddard pg 463; DOI: 10.1039/P29720000463 |
Nucleophilic substitution at four-co-ordinate sulphur. Mobility of the leaving group Ennio Ciuffarin Lucio Senatore and Mauro Isola pg 468; DOI: 10.1039/P29720000468 |
Steric hindrance in the reaction of aromatic sulphonyl chlorides with anilines. Effect of 2-methyl and 2,6-dimethyl substituents in aniline O. Rogne pg 472; DOI: 10.1039/P29720000472 |
Kinetic and equilibrium aspects of the effects of salts and nonelectrolytes upon the ionization equilibrium of tris-p-methoxyphenylmethanol in aqueous solution at 25 M. J. Postle and P. A. H. Wyatt pg 474; DOI: 10.1039/P29720000474 |
Theoretical studies of aromatic substitution. Part I. Pyrrole and its protonated species J. T. Gleghorn pg 479; DOI: 10.1039/P29720000479 |
Determination of the absolute configuration of (–)-N-ethyl-N-methylaniline oxide by X-ray analysis: the molecular geometry of an N-oxide salt Ronald L. Muntz William H. Pirkle and Iain C. Paul pg 483; DOI: 10.1039/P29720000483 |
Contents pages pg P011; DOI: 10.1039/P297200FP011 |
Substituent effects on the kinetics of pyridine-catalysed hydrolysis of aromatic sulphonyl chlorides; Brnsted and Hammett correlations O. Rogne pg 489; DOI: 10.1039/P29720000489 |
Kinetics of the reaction of trimethyl phosphite with cyclic -diketones Y. Ogata and M. Yamashita pg 493; DOI: 10.1039/P29720000493 |
Kinetics and salt effects on the alkaline hydrolysis of perbenzoate ion F. Secco M. Venturini and S. Celsi pg 497; DOI: 10.1039/P29720000497 |
A probe for homolytic reactions in solution. Part VI. Reactions of polyhalogenomethyl radicals with nitrosobutane C. M. Camaggi R. J. Holman and M. J. Perkins pg 501; DOI: 10.1039/P29720000501 |
A probe for homolytic reactions in solution. Part VII. Hindered phenols as spin traps C. M. Camaggi and M. J. Perkins pg 507; DOI: 10.1039/P29720000507 |
Electrolytic reduction and cleavage of cyclohexane-1,4-dione E. Kariv and B. J. Cohen pg 509; DOI: 10.1039/P29720000509 |
Nitrogen-15 chemical shifts in ring-substituted benzamides and benzonitriles P. S. Pregosin E. W. Randall and A. I. White pg 513; DOI: 10.1039/P29720000513 |
Intramolecular nucleophilic assistance in reactions of acetals E. Anderson and B. Capon pg 515; DOI: 10.1039/P29720000515 |
The kinetics and mechanism of the hydrolysis of 2,3-(phenylmethylenedioxy)benzene (Oo-benzylidenecatechol) and benzaldehyde diphenyl acetal B. Capon and M. I. Page pg 522; DOI: 10.1039/P29720000522 |
The kinetics and mechanism of the hydrolysis of 2,3-(phenylmethylenedioxy)benzoic acid (OO-benzylidene-2,3-dihydroxybenzoic acid) B. Capon M. I. Page and G. H. Sankey pg 529; DOI: 10.1039/P29720000529 |
Nuclear magnetic resonance studies of rate processes and conformations. Part XX. Nitrogen inversion in the gas phase T. Drakenberg and J. M. Lehn pg 532; DOI: 10.1039/P29720000532 |
The structural dependence of the inductive effect. Part VI. The calculation of vicinal proton–proton spin–spin coupling constants in substituted ethanes L. Phillips and V. Wray pg 536; DOI: 10.1039/P29720000536 |
Benzoquinone imines. Part IX. Mechanism and kinetics of the reaction of p-benzoquinone di-imines with m-aminophenols John F. Corbett pg 539; DOI: 10.1039/P29720000539 |
Application of the RRKM theory of unimolecular reactions to the thermal reactions of spiropentane M. C. Flowers and A. R. Gibbons pg 548; DOI: 10.1039/P29720000548 |
The kinetics of the thermal gas phase reactions of methylspiro[2,2]-pentane at low pressure M. C. Flowers and A. R. Gibbons pg 555; DOI: 10.1039/P29720000555 |
Crystal and molecular structure of 5-chloro-2,1-benzisothiazole M. Davis M. F. Mackay and W. A. Denne pg 565; DOI: 10.1039/P29720000565 |
The kinetics and mechanism of the oxidation of benzyl alcohol to benzaldehyde by bromine Peter Aukett and I. R. L. Barker pg 568; DOI: 10.1039/P29720000568 |
Conjugation in sulphones. Electronic spectra and polarographic behaviour of thiophen dioxides Feike de Jong and Matthijs Janssen pg 572; DOI: 10.1039/P29720000572 |
The photoreaction of aromatic carbonyl compounds with amines: evidence for electron transfer from tertiary aromatic amines to triplet benzophenone R. F. Bartholomew R. S. Davidson P. F. Lambeth J. F. McKellar and P. H. Turner pg 577; DOI: 10.1039/P29720000577 |
Crystal structure of 3,6-anhydro--D-glucosyl-1,4:3,6-dianhydro--D-fructoside N. W. Isaacs and C. H. L. Kennard pg 582; DOI: 10.1039/P29720000582 |
Application of the MINDO method to the tautomers of purine Zohar Neiman pg 585; DOI: 10.1039/P29720000585 |
Oxidation of 4a,4b-dihydrophenanthrene. Part V. Tunnelling effect on the kinetics of the initiation step A. Bromberg K. A. Muszkat E. Fischer and F. S. Klein pg 588; DOI: 10.1039/P29720000588 |
Crystal and molecular structure of 6-chloro-5,6,7,12-tetrahydro-2,5,7,10-tetramethyldibenzo[d,g][1,3,2]diazaphosphocine 6-oxide T. S. Cameron pg 591; DOI: 10.1039/P29720000591 |
Acetolysis of 2-(2,3-dihydro-1H-cyclopenta[l]phenanthren-2-yl)ethyl derivatives: participation by the 9,10-bond of phenanthrene to give an analogue of a classical norbornyl cation R. M. Cooper M. C. Grossel and M. J. Perkins pg 594; DOI: 10.1039/P29720000594 |
Liquid crystal proton magnetic resonance spectrum of thieno[2,3-b]thiophen C. A. Boicelli A. Mangini L. Lunazzi and M. Tiecco pg 599; DOI: 10.1039/P29720000599 |
Conformational study of some component peptides of pentagastrin J. Feeney G. C. K. Roberts J. P. Brown A. S. V. Burgen and H. Gregory pg 601; DOI: 10.1039/P29720000601 |
Further refinement of the crystal structure of neovitamin B12 Helen Stoeckli-Evans E. Edmond and Dorothy Crowfoot Hodgkin pg 605; DOI: 10.1039/P29720000605 |
Proton magnetic resonance studies of cyclic compounds. Part VIII. The conformations of cis- and trans-decahydroquinolines and their acyl derivatives H. Booth and A. H. Bostock pg 615; DOI: 10.1039/P29720000615 |
Proteolytic enzymes. Papain-catalysed hydrolysis of specific aryl esters A. Williams E. C. Lucas and A. R. Rimmer pg 621; DOI: 10.1039/P29720000621 |
Proteolytic enzymes. Nature of binding forces between papain and its substrates and inhibitors A. Williams E. C. Lucas A. R. Rimmer and (Mrs.) H. C. Hawkins pg 627; DOI: 10.1039/P29720000627 |
Studies on the nuclear magnetic resonance contact shifts induced by interaction with free radicals. Part IV. Utility of 13C contact shifts for the study of weak hydrocarbon–radical interaction Isao Morishima Takeshi Matsui Teijiro Yonezawa and Kojitsu Goto pg 633; DOI: 10.1039/P29720000633 |
A spectroscopic study of carbanions and corresponding nitranions: ion pair formation in the ground state and the first excited state H. W. Vos H. H. Blom N. H. Velthorst and C. MacLean pg 635; DOI: 10.1039/P29720000635 |
The chemistry of reactive lignin intermediates. Part I. Transients in coniferyl alcohol photolysis Gordon Leary pg 640; DOI: 10.1039/P29720000640 |
Crystal and molecular structure of hexamethylmelamine [2,4,6-tris(dimethylamino)-1,3,5-triazine] G. J. Bullen D. J. Corney and F. S. Stephens pg 642; DOI: 10.1039/P29720000642 |
Proton magnetic resonance spectra of amino-acids and peptides relevant to wool structure. Part II. Relative residence times of sulphur-containing -amino-acids K. D. Bartle D. W. Jones and R. L'Amie pg 646; DOI: 10.1039/P29720000646 |
Proton magnetic resonance spectra of amino-acids and peptides relevant to wool structure. Part III. Relative residence times of dipeptides of asparagine, aspartic acid, phenylalanine, and tyrosine K. D. Bartle D. W. Jones and R. L'Amie pg 650; DOI: 10.1039/P29720000650 |
Rearrangements accompanying the formation of alkynyl- and allyl-cobaloximes and their reactions with sulphur dioxide C. J. Cooksey D. Dodd C. Gatford M. D. Johnson G. J. Lewis and D. M. Titchmarsh pg 655; DOI: 10.1039/P29720000655 |
N-oxides and related compounds. Part XL. Chemical and X-ray crystallographic investigation of the oxidation products of -diketone bisacylhydrazones H. Bauer A. J. Boulton W. Fedeli A. R. Katritzky A. Majid-Hamid F. Mazza and A. Vaciago pg 662; DOI: 10.1039/P29720000662 |
N-oxides and related compounds. Part XLI. Substituent–ring interactions in methyl- and chloro-pyrazines and -pyrazine 1-oxides R. P. Duke Richard A. Y. Jones A. R. Katritzky J. M. Lagowski and Yu. Sheinker pg 668; DOI: 10.1039/P29720000668 |
Acidity functions and the protonation of weak bases. Part VII. The protonation behaviour of dimethylaminopyridines and their N-oxides P. Forsythe R. Frampton C. D. Johnson and A. R. Katritzky pg 671; DOI: 10.1039/P29720000671 |
The conformational analysis of saturated heterocycles. Part XLV. N-Alkyldihydro-1,3,5-dithiazines and N-alkyltetrahydro-1,3,5-thiadiazines L. Angiolini R. P. Duke Richard A. Y. Jones and A. R. Katritzky pg 674; DOI: 10.1039/P29720000674 |
The validity of the spectrophotometric method for determination of the kinetics of the reduction of ketones with sodium borohydride Donald C. Wigfield and David J. Phelps pg 680; DOI: 10.1039/P29720000680 |
Temperature effects in the photochemistry of cycloalkanones in solution J. D. Coyle pg 683; DOI: 10.1039/P29720000683 |
Crystal structure of di-p-tolylcarbodi-imide, MeC6H4N:C:NC6H4Me A. T. Vincent and P. J. Wheatley pg 687; DOI: 10.1039/P29720000687 |
Contents pages pg P015; DOI: 10.1039/P297200FP015 |
Bond scission in sulphur compounds. Part IV. Sulphur–oxygen versus sulphur–chlorine bond scission in the methanolysis of phenyl chlorosulphate. Kinetics and mechanism E. Buncel (Miss) L. I. Choong and A. Raoult pg 691; DOI: 10.1039/P29720000691 |
Crystal and molecular structure of 4-isopropyltropolone (-thujaplicin) J. E. Derry and T. A. Hamor pg 694; DOI: 10.1039/P29720000694 |
Synthesis and novel mass spectral rearrangements of 10-phenylphenoxaphosphine and some of its derivatives Itshak Granoth Jack B. Levy and Courtland Symmes jun. pg 697; DOI: 10.1039/P29720000697 |
Nuclear magnetic resonance study of -halogenobutyraldehydes and a re-appraisal of rotational isomerism in dihalogenoaldehydes and related sp2–sp3 hybridised systems D. F. Ewing pg 701; DOI: 10.1039/P29720000701 |
Solvent effects on the kinetics of alkaline hydrolysis of dimethylacetylacetone. Part I. Influence of alcohol–water mixtures Jean-Pierre Calmon and Jean-Louis Canavy pg 706; DOI: 10.1039/P29720000706 |
Naphthalene dichloride and its derivatives. Part II. 1,2,3-Trichloro-1,2-dihydronaphthalene from the dehydrochlorination of naphthalene -tetrachloride; a comparison of vicinal coupling constants in the 1H nuclear magnetic resonance spectra of some 1,2-dihydronaphthalenes, tetralins, and related compounds G. W. Burton M. D. Carr P. B. D. de la Mare and M. J. Rosser pg 710; DOI: 10.1039/P29720000710 |
Effect of some protic and dipolar aprotic solvents on the H function in ethylene glycol K. K. Kundu and Lakshmi Aiyar pg 715; DOI: 10.1039/P29720000715 |
Nuclear magnetic resonance study of cis–trans-isomerism in some N-alkylformamides and N-alkylacetamides and their O-protonated cations in anhydrous acids M. Liler pg 720; DOI: 10.1039/P29720000720 |
Reactions of phosphonic acid esters with nucleophiles. Part IV. Hydrazines and hydroxylamines with p-nitrophenyl methylphosphonate Herbert J. Brass John O. Edwards and Nick J. Fina pg 726; DOI: 10.1039/P29720000726 |
Kinetics of the autoxidation of trimethyl phosphite, methyl diphenyl-phosphinite, and triphenylphosphine Y. Ogata and M. Yamashita pg 730; DOI: 10.1039/P29720000730 |
A spectroscopic study of the formation of isomeric Meisenheimer complexes from 1-methoxycarbonyl-3,5-dinitrobenzene M. R. Crampton and H. A. Khan pg 733; DOI: 10.1039/P29720000733 |
Crystal structure of tricyclo[4,4,0,02,8]dec-3-ene-7,10-dione Cyril S. Gibbons and James Trotter pg 737; DOI: 10.1039/P29720000737 |
Crystal structure of isozygosporin A p-bromobenzoate (Miss) Y. Tsukuda and H. Koyama pg 739; DOI: 10.1039/P29720000739 |
Homolytic organometallic reactions. Part VI. The reaction of t-butyl hypochlorite with organoboranes. Rate constants for bimolecular t-butoxydealkylation at boron Alwyn G. Davies Takao Maki and B. P. Roberts pg 744; DOI: 10.1039/P29720000744 |
The electron spin resonance spectra and decarboxylation of alkoxycarbonyl radicals D. Griller and B. P. Roberts pg 747; DOI: 10.1039/P29720000747 |
Conformational analysis in heteroaromatic carbonyl compounds. Part I. Radical anions of thiophen-2,5-dicarbaldehyde and related derivatives L. Lunazzi G. F. Pedulli M. Tiecco C. Vincenzi and C. A. Veracini pg 751; DOI: 10.1039/P29720000751 |
Conformational analysis in heteroaromatic carbonyl compounds. Part II. Nuclear magnetic resonance investigation of thiophen-2,5-dicarbaldehyde in liquid crystals L. Lunazzi G. F. Pedulli M. Tiecco and C. A. Veracini pg 755; DOI: 10.1039/P29720000755 |
Crystal and molecular structure of viridin S. Neidle D. Rogers and M. B. Hursthouse pg 760; DOI: 10.1039/P29720000760 |
Aromatic detritiation. Part IV. 1,3,5-Triphenylbenzene: a possible example of steric hindrance to hydrogen exchange H. V. Ansell R. B. Clegg and R. Taylor pg 766; DOI: 10.1039/P29720000766 |
Pyrolysis of thiocyanates and isothiocyanates. Part IV. Effect of structure on thiocyanate elimination N. Barroeta V. De Santis and R. Mazzali pg 769; DOI: 10.1039/P29720000769 |
Polyfluoroalkyl derivatives of nitrogen. Part XXXIV. The kinetics of the gas-phase thermal decomposition of trifluoroacetyl nitrite. The slow reaction R. Gibbs R. N. Haszeldine and R. F. Simmons pg 773; DOI: 10.1039/P29720000773 |
Identification of isomeric di- and poly-nitrobiphenyls by mass spectrometry C. B. Thomas and J. S. Willson pg 778; DOI: 10.1039/P29720000778 |
Ebulliometric and spectroscopic kinetic studies on the reaction between tetracyanoethylene and NN-dimethylaniline S. Garbutt and D. L. Gerrard pg 782; DOI: 10.1039/P29720000782 |
Electron spin resonance studies. Part XXXII. Information from hyperfine splittings for aliphatic radicals about shape and conformation A. J. Dobbs B. C. Gilbert and R. O. C. Norman pg 786; DOI: 10.1039/P29720000786 |
Electron spin resonance studies. Part XXXIII. Evidence for heterolytic and homolytic transformations of radicals from 1,2-diols and related compounds B. C. Gilbert J. P. Larkin and R. O. C. Norman pg 794; DOI: 10.1039/P29720000794 |
The reaction between azo-compounds and trialkylboranes Alwyn G. Davies B. P. Roberts and J. C. Scaiano pg 803; DOI: 10.1039/P29720000803 |
Alkaline hydrolysis of substituted phenyl N-phenylcarbamates. Structure–reactivity relationships consistent with an E1cB mechanism A. Williams pg 808; DOI: 10.1039/P29720000808 |
Contents pages pg P017; DOI: 10.1039/P297200FP017 |
The nitration of bibenzyl. Part II. Comparison of the products from nitrations by nitric acid in acetic anhydride and by nitronium salts in organic solvents A. Gastaminza and J. H. Ridd pg 813; DOI: 10.1039/P29720000813 |
Nuclear magnetic resonance spectra of [15N]acetamide in sulphuric and fluorosulphuric acid. The question of the cation tautomeric equilibrium M. Liler pg 816; DOI: 10.1039/P29720000816 |
The reactivity of O-acylglycosyl halides. Part IX. Reaction between alkali-metal halides and tetra-O-acetylglycosyl bromides M. J. Duffy M. Jeffries G. Pass and G. O. Phillips pg 821; DOI: 10.1039/P29720000821 |
Crystal structures of the acid salts of some monobasic acids. Part XIV. Neutron-diffraction studies of potassium hydrogen bis(trifluoroacetate) and potassium deuterium bis(trifluoroacetate): crystals with short and symmetrical hydrogen bonds A. L. Macdonald J. C. Speakman and D. Hadi pg 825; DOI: 10.1039/P29720000825 |
Crystal structures of the acid salts of some monobasic acids. Part XV. Potassium hydrogen diacetate Murdoch Currie pg 832; DOI: 10.1039/P29720000832 |
Ion pairing in alkali-metal salts of 1,3-diphenylalkenes. Part II. The determination of equilibrium constants from absorption spectra J. W. Burley and R. N. Young pg 835; DOI: 10.1039/P29720000835 |
Crystal structure of 1,3-dimethylimidazole-2(3H)-thione (C5H8N2S) Gerald B. Ansell pg 841; DOI: 10.1039/P29720000841 |
1H nuclear magnetic resonance studies of solutions of aromatic bases. Part I. Proton exchange in ethanol solutions of pyridines R. Large and M. R. Willis pg 844; DOI: 10.1039/P29720000844 |
Polarography of electrophilic alkenes and alkynes bearing sulphonyl, sulphinyl, and sulphonium groups R. W. Howsam and C. J. M. Stirling pg 847; DOI: 10.1039/P29720000847 |
Solvent effects and Brnsted coefficients in nucleophilic substitutions at tetraco-ordinate sulphur L. J. Stangeland L. Senatore and E. Ciuffarin pg 852; DOI: 10.1039/P29720000852 |
Mass spectra of tetrahydroisoquinolines: a novel concerted fragmentation G. A. Charnock and A. H. Jackson pg 856; DOI: 10.1039/P29720000856 |
Nuclear magnetic resonance study of charge-transfer complexes of 1,3,5-trinitrobenzene, picric acid, and fluoranil with methoxy- and methyl-substituted benzenes and biphenyls. Indication of the structure of the complexes in solution H. J. M. Andriessen W. H. Laarhoven and R. J. F. Nivard pg 861; DOI: 10.1039/P29720000861 |
Mechanism of benzidine and semidine rearrangements. Part XXV. The acid-catalysed disproportionation of hydrazobenzenes D. V. Banthorpe and June G. Winter pg 868; DOI: 10.1039/P29720000868 |
Mechanism of benzidine and semidine rearrangements. Part XXVI. Solvent isotope effects and conclusions concerning the nature of the proton transfers D. V. Banthorpe and June G. Winter pg 874; DOI: 10.1039/P29720000874 |
Classification of isomeric C4H9O+ ions according the their unimolecular gas-phase decompositions T. J. Mead and Dudley H. Williams pg 876; DOI: 10.1039/P29720000876 |
Proteolytic enzymes: models for electrophilic assistance by NH in acylation A. Williams and G. Salvadori pg 883; DOI: 10.1039/P29720000883 |
Enamine chemistry. Part XV. Mass spectra of dienamines P. W. Hickmott and C. T. Yoxall pg 890; DOI: 10.1039/P29720000890 |
Intermediates in the decomposition of aliphatic diazo-compounds. Part IX. Kinetics and mechanism of the decomposition of diaryldiazomethanes catalysed by zinc halides D. Bethell and K. C. Brown pg 895; DOI: 10.1039/P29720000895 |
Crystallographic studies in the pyrrole series. Part I. Crystal and molecular structure of ethyl 4-acetyl-3-ethyl-5-methylpyrrole-2-carboxylate R. Bonnett M. B. Hursthouse and S. Neidle pg 902; DOI: 10.1039/P29720000902 |
Classical carbonium ions. Part III. The preparation and acetolysis of some alkyl 2,4-dinitrophenyl ethers I. D. Page J. R. Pritt and M. C. Whiting pg 906; DOI: 10.1039/P29720000906 |
Intramolecular catalysis of phosphate triester hydrolysis. Nucleophilic catalysis by the neighbouring carboxy-group of the hydrolysis of diaryl 2-carboxyphenyl phosphates R. H. Bromilow S. A. Khan and A. J. Kirby pg 911; DOI: 10.1039/P29720000911 |
Contents pages pg P019; DOI: 10.1039/P297200FP019 |
Chemistry of a colour test for abscisic acid R. Mallaby and G. Ryback pg 919; DOI: 10.1039/P29720000919 |
EZ isomerization of 2,4-dinitrophenylhydrazones John P. Idoux and James A. Sikorski pg 921; DOI: 10.1039/P29720000921 |
Participation of an upper excited n–* triplet state in the photoreduction of 1-dimethylaminoanthraquinone A. K. Davies R. Ford J. F. McKellar and G. O. Phillips pg 923; DOI: 10.1039/P29720000923 |
Pyrolysis of carbonates. Part I. The gas-phase pyrolysis of some symmetrical primary alkyl carbonates D. B. Bigley and C. M. Wren pg 926; DOI: 10.1039/P29720000926 |
Solvolysis of methyl OS-ethylene phosphorothioate D. C. Gay and N. K. Hamer pg 929; DOI: 10.1039/P29720000929 |
Crystal structure of racemic trans-1a,7b-dihydro-oxireno[a]naphthalene-3-spiro-2-oxiran-2(3H)-one B. M. Gatehouse and D. J. Lloyd pg 932; DOI: 10.1039/P29720000932 |
Crystal and molecular structure of 7-oxabicyclo[2,2,1]hept-5-ene-2,3-exo-dicarboxylic anhydride S. Baggio A. Barriola and P. K. de Perazzo pg 934; DOI: 10.1039/P29720000934 |
Stereochemistry of carbohydrate derivatives. Part IV. Crystal structure of 3,6-(acetylepimino)-3,6-dideoxy-1,2-O-isopropylidene--L-ido-furanose J. S. Brimacombe J. Iball and J. N. Low pg 937; DOI: 10.1039/P29720000937 |
Crystal structures of the acid salts of some dibasic acids. Part VI. An X-ray study of potassium hydrogen glutarate A. L. Macdonald and J. C. Speakman pg 942; DOI: 10.1039/P29720000942 |
Conformational studies. Part III. Crystal and molecular structures of N-(2,4-dichlorobenzylidene)aniline J. Bernstein pg 946; DOI: 10.1039/P29720000946 |
Conformational studies. Part IV. Crystal and molecular structure of the metastable form of N-(p-chlorobenzylidene)-p-chloroaniline, a planar anil J. Bernstein and (the late) G. M. J. Schmidt pg 951; DOI: 10.1039/P29720000951 |
Nucleophilic attacks on carbon–carbon double bonds. Part XV. Further evidence for base-catalysis in the reaction of 1,1-dicyano-2-p-dimethylaminophenyl-2-fluoroethylene with substituted anilines in acetonitrile Zvi Rappoport and Nella Ronen pg 955; DOI: 10.1039/P29720000955 |
Protonation and sulphonation reactions of anisole in sulphuric and fluorosulphuric acid Ulla Svanholm and Vernon D. Parker pg 962; DOI: 10.1039/P29720000962 |
Free-radical substitution in aliphatic compounds. Part XXV. The gas-phase chlorination of chlorocyclobutane and methylcyclobutane D. S. Ashton and J. M. Tedder pg 965; DOI: 10.1039/P29720000965 |
Charge-transfer complexes in organic chemistry. Part VI. Solvent effects on charge-transfer absorption bands. Interpretation of the behaviour of n-donor solvents O. B. Nagy J. B. Nagy and A. Bruylants pg 968; DOI: 10.1039/P29720000968 |
Solvent effects on the kinetics of alkaline hydrolysis of dimethylacetylacetone. Part II. Influence of dipolar aprotic solvent–water mixtures Jean-Pierre Calmon and Jean-Louis Canavy pg 972; DOI: 10.1039/P29720000972 |
Reactions in strongly basic media. Part III. Kinetic acidity-dependences in methanolic solutions of sodium methoxide R. A. More O'Ferrall pg 976; DOI: 10.1039/P29720000976 |
The isomerisation of 1,4-diarylbutenes by ruthenium–phosphine complexes Jochanan Blum and Yigal Becker pg 982; DOI: 10.1039/P29720000982 |
Mechanism of iodine migration during the nitrodeiodination of 4-iodoanisole Anthony R. Butler and Anthony P. Sanderson pg 989; DOI: 10.1039/P29720000989 |
Homolytic organometallic reactions. Part VII. An electron spin resonance study of the reaction of t-butoxyl radicals with trialkyl phosphites: kinetics of -scission of the t-butoxytriethoxyphosphoranyl radical Alwyn G. Davies D. Griller and B. P. Roberts pg 993; DOI: 10.1039/P29720000993 |
Benzoquinone imines. Part X. The mechanism and kinetics of the reactions of p-benzoquinone di-imine and p-benzoquinone monoimine with C-methoxy-m-diamines and p-methoxy- and p-chloro-phenols John F. Corbett pg 999; DOI: 10.1039/P29720000999 |
Nuclear magnetic resonance spectroscopy of diphenylallyl carbanions. Part I. The determination of equilibrium constants for ion pairing J. W. Burley and R. N. Young pg 1006; DOI: 10.1039/P29720001006 |
Nucleophilic substitution in carbonic acid derivatives. Part II. Kinetics and mechanism of the solvolyses of NN-dialkylcarbamoyl chlorides R. Bacaloglu C. Daescu and G. Ostrogovich pg 1011; DOI: 10.1039/P29720001011 |
Substituent effect on polarographic reduction of aryl diphenylmethyl sulphides in NN-dimethylformamide G. Farnia A. Ceccon and P. Cesselli pg 1016; DOI: 10.1039/P29720001016 |
Proton ionisation constants and kinetics of base hydrolysis of some -amino-acid esters in aqueous solution. Part III. Hydrolysis and intramolecular aminolysis of -diamino-acid methyl esters R. W. Hay and P. J. Morris pg 1021; DOI: 10.1039/P29720001021 |
Conformations of some saturated carbonyl compounds. Part I. Infrared spectra of methyl formate, acetate, propionate, and n-butyrate; [2H3]methyl propionate and [2H3]methyl n-butyrate W. O. George D. V. Hassid and W. F. Maddams pg 1029; DOI: 10.1039/P29720001029 |
Crystal and molecular structure of the 1 : 1 complex of urea and syn-5-nitro-2-furaldehyde oxime M. Mathew and Gus J. Palenik pg 1033; DOI: 10.1039/P29720001033 |
Crystal and molecular structure of hippuric acid W. Harrison S. Rettig and J. Trotter pg 1036; DOI: 10.1039/P29720001036 |
Infrared and nuclear magnetic resonance study of the acetic anhydride–sulphuric acid system. An acknowledgement C. J. Clemett pg 1040; DOI: 10.1039/P29720001040 |
Contents pages pg P021; DOI: 10.1039/P297200FP021 |
Micellar catalysis of the reaction of hydroxide ion with tetranitromethane J. H. Fendler and R. R. Liechti pg 1041; DOI: 10.1039/P29720001041 |
Migration of the trimethylsilyl group in silylated acylamides Mitsuyo Fukui Kenji Itoh and Yoshio Ishii pg 1043; DOI: 10.1039/P29720001043 |
Determination of H acidity function for glycolic sodium glycoxide by use of t-butylphenols as indicators and a comparison with that found by use of amine indicators Lakshmi Aiyar Amar Nath Datta and K. K. Kundu pg 1046; DOI: 10.1039/P29720001046 |
Nucleophilic displacement reactions on the new acyl system, 1-bromo-1-(alkyl- or arylthio)-4-aryl-2,3-diazabuta-1,3-diene J. Donovan J. Cronin F. L. Scott and A. F. Hegarty pg 1050; DOI: 10.1039/P29720001050 |
Solid–gas reactions. Part I. Bromination E. Hadjoudis E. Kariv and (the late) G. M. J. Schmidt pg 1056; DOI: 10.1039/P29720001056 |
Solid–gas reactions. Part II. Solid-state cis–trans isomerisation of alkoxycinnamic acids in iodine vapour E. Hadjoudis and (the late) G. M. J. Schmidt pg 1060; DOI: 10.1039/P29720001060 |
Acid-catalysed hydrolyses of 3,4,6-tri-O-methyl-1,2-O-(1-alkoxyethylidene)--D-glucopyranoses Leland R. Schroeder David P. Hultman and Donald C. Johnson pg 1063; DOI: 10.1039/P29720001063 |
Structural investigations of ylides. Part I. Crystal and molecular structures of trimethylammoniobenzamidate and trimethylammonionitramidate: two stabilised nitrogen–nitrogen ylides A. F. Cameron N. J. Hair and D. G. Morris pg 1071; DOI: 10.1039/P29720001071 |
The decarboxylation of some heterocyclic acetic acids P. J. Taylor pg 1077; DOI: 10.1039/P29720001077 |
Crystal and molecular structure of 2,6-bis(bromomethyl)-1,4-diphenylpiperazine B. Morosin and J. Howatson pg 1087; DOI: 10.1039/P29720001087 |
The kinetics of the catalysed photolysis of diethyl peroxide in solution G. A. Holder pg 1089; DOI: 10.1039/P29720001089 |
The photochemistry of phosphorus compounds. Part VII. The far-ultraviolet spectroscopy and photochemistry of glycerol 1-phosphate and of glycerol 2-phosphate in aqueous solutions J. Greenwald and M. Halmann pg 1095; DOI: 10.1039/P29720001095 |
Vinylic cations from solvolysis. Part XI. Solvolysis of triarylvinyl arenesulphonates and bromides Zvi Rappoport and Joseph Kaspi pg 1102; DOI: 10.1039/P29720001102 |
Heteroaromatic hydrogen exchange reactions. Part IV. Base-catalysed protodetritiation of 3-3H1-indoles in aqueous sodium hydroxide B. C. Challis and E. M. Millar pg 1111; DOI: 10.1039/P29720001111 |
Heteroaromatic hydrogen exchange reactions. Part V. Isotope effects for the acid-catalysed exchange of 3-3H1-2-methylindole and 3-2H1-2-methylindole B. C. Challis and E. M. Millar pg 1116; DOI: 10.1039/P29720001116 |
Condensation of 2-methylquinoline with benzaldehydes in acetic anhydride Y. Ogata A. Kawasaki and H. Hirata pg 1120; DOI: 10.1039/P29720001120 |
Molecular conformations. Part XII. Conformational distortions in tetracyclic diterpenoids: X-ray diffraction studies of the p-bromobenzenesulphonyl derivatives of beyeran-3-ol and 7-hydroxykaurenolide J. R. Hanson G. M. McLaughlin and G. A. Sim pg 1124; DOI: 10.1039/P29720001124 |
Secondary radicals in the autoxidation of hydroquinones and quinones P. Ashworth and W. T. Dixon pg 1130; DOI: 10.1039/P29720001130 |
Crystal and molecular structure of exo-7,11-methano-5,6a,7,7a,10,11,11a-octahydrobenz[c]indeno[5,6-e]thiazine 6-oxide D. J. Pointer J. B. Wilford and K. M. Chui pg 1134; DOI: 10.1039/P29720001134 |
Crystal and molecular structure of cis-2-isopropyl-3-(4-nitrophenyl)-oxaziridine J. F. Cannon J. Daly J. V. Silverton D. R. Boyd and D. M. Jerina pg 1137; DOI: 10.1039/P29720001137 |
Cycloheptatriene and tropylium metal complexes. Part IX. [1,5] Hydrogen migrations in cycloheptatrienes complexed to chromium M. I. Foreman G. R. Knox P. L. Pauson K. H. Todd and W. E. Watts pg 1141; DOI: 10.1039/P29720001141 |
Homolytic aromatic substitution by heterocyclic free radicals. Part II. Reaction of thiazol-2-yl and benzothiazol-2-yl radicals with aromatic compounds Gaston Vernin Robert Jauffred Claude Ricard Henri J. M. Dou and Jacques Metzger pg 1145; DOI: 10.1039/P29720001145 |
Studies in vacuum ultraviolet photochemistry. Part I. 2,2,3,3-Tetramethylbutane B. G. Gowenlock and C. A. F. Johnson pg 1150; DOI: 10.1039/P29720001150 |
Racemisation and oxygen exchange reactions of the trimethylnorbornan-2-ols C. A. Bunton K. Khaleeluddin and D. Whittaker pg 1154; DOI: 10.1039/P29720001154 |
The interaction of proline and other imino-acids with p-benzoquinone G. H. Moxon and M. A. Slifkin pg 1159; DOI: 10.1039/P29720001159 |
Steric effects of methoxy-groups in 2,2-bridged biphenyls. Part I D. Muriel Hall and Joan M. Insole pg 1164; DOI: 10.1039/P29720001164 |
Steric effects of methoxy-groups in 2,2-bridged biphenyls. Part II Joan M. Insole pg 1168; DOI: 10.1039/P29720001168 |
The stabilities of Meisenheimer complexes. Part I. Adducts from sodium methoxide and highly activated anisoles in methanol M. R. Crampton and H. A. Khan pg 1173; DOI: 10.1039/P29720001173 |
The stabilities of Meisenheimer complexes. Part II. Equilibrium constants for the formation of methoxide adducts of low stability and the JM acidity function in methanol–dimethyl sulphoxide M. R. Crampton M. A. El Ghariani and H. A. Khan pg 1178; DOI: 10.1039/P29720001178 |
The radiation-induced oxidation of aqueous solutions of hydroquinone T. J. Fellows and G. Hughes pg 1182; DOI: 10.1039/P29720001182 |
Stereoselectivity in reactions involving the hydrolysis of acetoxonium ions Julia Atkin Ruth E. Gall (née Lack) and Arlene M. Slee pg 1185; DOI: 10.1039/P29720001185 |
Kinetics of iodination of para-substituted phenols Ivan Dobá Antonín Choulík Vojeslav trba and Miroslav Veea pg 1189; DOI: 10.1039/P29720001189 |
Meisenheimer complexes: reaction of methoxide ions with 2-chloro-4,6-dinitroanisole in methanol and in methanol–dimethyl sulphoxide F. Terrier F. Millot and R. Schaal pg 1192; DOI: 10.1039/P29720001192 |
Assignement of the configuration of optical isomers by gas chromatography with asymmetric phases. The order of emergence of amino-alkanes, and -, -, and -amino-acids on carbonylbis-(N-L-valine isopropyl ester) B. Feibush E. Gil-Av and T. Tamari pg 1197; DOI: 10.1039/P29720001197 |
Mechanism of rearrangement of alkyl phenyl ethers catalysed by aluminium bromide M. J. S. Dewar and P. A. Spanninger pg 1204; DOI: 10.1039/P29720001204 |
Structure and efficiency in intramolecular and enzymic catalysis. Catalysis of amide hydrolysis by the carboxy-group of substituted maleamic acids A. J. Kirby and P. W. Lancaster pg 1206; DOI: 10.1039/P29720001206 |
Influence of structure on -diketo–enol equilibria: a kinetic study by the relaxation technique Pierre Alcais and Raymond Brouillard pg 1214; DOI: 10.1039/P29720001214 |
Crystal structure and absolute configuration of dihydro-O-methyl-cancentrinemethine hydrobromide, a derivative of the alkaloid cancentrine G. R. Clark and G. J. Palenik pg 1219; DOI: 10.1039/P29720001219 |
Molecular orbital studies of aminoanthraquinones J. O. Morley pg 1223; DOI: 10.1039/P29720001223 |
An attempt to effect allenic elimination by a thiolate ion in NN-dimethylformamide M. Ballabio P. L. Beltrame and P. Beltrame pg 1229; DOI: 10.1039/P29720001229 |
Intra- and inter-molecular catalysis and hydrogen isotope effects in the iodination of o- and p-carboxyacetophenone R. P. Bell B. G. Cox and J. B. Henshall pg 1232; DOI: 10.1039/P29720001232 |
Electronic effects of bridgehead alkyl substituents: adamantan-1-yl and bicyclo[2,2,2]octan-1-yl T. J. Broxton G. Capper L. W. Deady A. Lenko and R. D. Topsom pg 1237; DOI: 10.1039/P29720001237 |
Medium effects on protonation equilibria in ethylene glycol for some t-butyl-substituted phenols and nitro-substituted amines K. K. Kundu and Lakshmi Aiyar pg 1240; DOI: 10.1039/P29720001240 |
Reaction of p-benzoquinone monoimines with benzoylacetanilides E. Pelizzetti C. Verdi and G. Saini pg 1243; DOI: 10.1039/P29720001243 |
E1cB eliminations. Substituent and solvent effects on the E1cB elimination of the second type from 2-aryl-1,1,2-tricyanopropanes Michael Albeck Shmaryahu Hoz and Zvi Rappoport pg 1248; DOI: 10.1039/P29720001248 |
Kinetics and mechanism of the pyrolysis of cyclohexa-1,3-diene G. R. De Maré G. Huybrechts and M. Toth pg 1256; DOI: 10.1039/P29720001256 |
Rearrangement of aromatic N-nitroamines. Part VII. The acid-catalysed transformation of N-methyl-N-nitro-9-aminoanthracene D. V. Banthorpe and June G. Winter pg 1259; DOI: 10.1039/P29720001259 |
Studies of the reactions of anhydrosulphites of -hydroxycarboxylic acids. Part VIII. Polymerisation of anhydrosulphites of -hydroxycycloalkanecarboxylic acids G. P. Blackbourn and B. J. Tighe pg 1263; DOI: 10.1039/P29720001263 |
Structure of new alkaloids, evonine and neoevonine: X-ray analysis of bromoacetylneoevonine monohydrate Kyoyu Sasaki and Yoshimasa Hirata pg 1268; DOI: 10.1039/P29720001268 |
Electron spin resonance studies. Part XXXIV. The use of the aci-anion from nitromethane as a spin trap for organic radicals in aqueous solution B. C. Gilbert J. P. Larkin and R. O. C. Norman pg 1272; DOI: 10.1039/P29720001272 |
X-Ray study of the molecular structure of 4-demethylhasubanonine p-bromobenzenesulphonate D. N. J. White A. T. McPhail and G. A. Sim pg 1280; DOI: 10.1039/P29720001280 |
Aromatic nucleophilic exchange reactions. Part II. Solvent effects D. F. Maundrell C. H. Bovington and B. Dacre pg 1284; DOI: 10.1039/P29720001284 |
Acylation. Part XXXV. The silver ion-catalysed n-butaminolysis of S-ethyl thiobenzoate in aqueous solutions Barbara Boopsingh and D. P. N. Satchell pg 1288; DOI: 10.1039/P29720001288 |
Contents pages pg P025; DOI: 10.1039/P297200FP025 |
The carbonyl group frequency. Part IV. Aliphatic aldehydes J. S. Byrne P. F. Jackson and K. J. Morgan pg 1291; DOI: 10.1039/P29720001291 |
Aromaticity and tautomerism. Part I. The aromatic resonance energy of 2-pyridone and the related thione, methide, and imine M. J. Cook A. R. Katritzky P. Linda and R. D. Tack pg 1295; DOI: 10.1039/P29720001295 |
Conformations of some substituted diphenylmethanes and their dehydrogeno-dimers by electric birefringence, dipole moment, and infrared measurements S. P. Chen and H. H. Huang pg 1301; DOI: 10.1039/P29720001301 |
Radiation chemistry of carbohydrates. Part XVIII. The extreme and variable susceptibility of crystalline lactose to ionising radiations N. U. Ahmed P. J. Baugh and G. O. Phillips pg 1305; DOI: 10.1039/P29720001305 |
Studies on the reaction of aromatic bases with epoxides, and anucleophilic buffer for the acid-catalysed hydrolysis of epoxides J. G. Pritchard and I. A. Siddiqui pg 1309; DOI: 10.1039/P29720001309 |
Sesquiterpenoids. Part XIII. Constitution and absolute stereochemistry of elephantol: X-ray analysis of elephantol p-bromobenzoate A. T. McPhail and G. A. Sim pg 1313; DOI: 10.1039/P29720001313 |
Intramolecular catalysis by a carboxy-group in the reduction and racemization of sulphoxides by halide ion. 16O/18O exchange as a test for the mechanism D. Landini and F. Rolla pg 1317; DOI: 10.1039/P29720001317 |
Reactions of lead tetra-acetate with substituted benzaldehyde 5-phenyl-1,2,4-triazol-3-ylhydrazones T. A. F. O'Mahony R. N. Butler and F. L. Scott pg 1319; DOI: 10.1039/P29720001319 |
1H nuclear magnetic resonance study of (d–p) interactions in stannanes containing unsaturated systems G. Barbieri and F. Taddei pg 1323; DOI: 10.1039/P29720001323 |
117Sn, 119Sn–proton long-range coupling constants in the 1H nuclear magnetic resonance spectra of alkylhalogenostannanes G. Barbieri and F. Taddei pg 1327; DOI: 10.1039/P29720001327 |
Structural investigations of ylides. Part II. Crystal and molecular structure of (+)-3-diazocamphor A. F. Cameron N. J. Hair and D. G. Morris pg 1331; DOI: 10.1039/P29720001331 |
Crystallographic studies in the pyrrole series. Part II. Crystal and molecular structure of 5,5-diethoxycarbonyl-3,3,4,4-tetraethyldipyrrol-2-ylmethane R. Bonnett M. B. Hursthouse and S. Neidle pg 1335; DOI: 10.1039/P29720001335 |
Polyfluoroalkyl derivatives of nitrogen. Part XXXV. The kinetics of the gas-phase thermal decomposition of trifluoroacetyl nitrite. The explosive reaction R. Gibbs R. N. Haszeldine and R. F. Simmons pg 1340; DOI: 10.1039/P29720001340 |
Substitution at saturated carbon. Part XIV. Solvent effects on the free energies of ions, ion-pairs, non-electrolytes, and transition states in some SN and SE reactions M. H. Abraham pg 1343; DOI: 10.1039/P29720001343 |
Mechanism of the photoinduced decarboxylation of carboxylic acids sensitised by aromatic ketones and quinones R. S. Davidson and P. R. Steiner pg 1357; DOI: 10.1039/P29720001357 |
Rearrangement reactions in aromatic systems upon electron impact: the cases of pyridine and fluorobenzene R. J. Dickinson and Dudley H. Williams pg 1363; DOI: 10.1039/P29720001363 |
Strain effects in acyl transfer reactions. Part I. The kinetics of hydrolysis of some N-aryl-lactams G. M. Blackburn and J. D. Plackett pg 1366; DOI: 10.1039/P29720001366 |
Reaction orders in the addition of methanol to chloral in 1,4-dioxan R. P. Bell and D. G. Horne pg 1371; DOI: 10.1039/P29720001371 |
Stereochemical studies with derivatives of octahydro-2H-pyrido[1,2-a]-pyrazine R. Cahill and T. A. Crabb pg 1374; DOI: 10.1039/P29720001374 |
Mechanism of the reaction of nitrogen dioxide with 2-methyl-2-nitrosopropane P. J. Carmichael B. G. Gowenlock and C. A. F. Johnson pg 1379; DOI: 10.1039/P29720001379 |
Synthesis of aliphatic hydrazonyl bromides and kinetics of their conversion into hydrazides A. F. Hegarty M. P. Cashman and F. L. Scott pg 1381; DOI: 10.1039/P29720001381 |
Studies in vacuum-ultraviolet photochemistry. Part II. 2,2,4-Trimethylpentane B. G. Gowenlock C. A. F. Johnson and E. Senogles pg 1386; DOI: 10.1039/P29720001386 |
Succinamic acids. Part II. Anhydrides as intermediates in the aminolysis of N-alkylanilic acids in toluene M. J. Gregory pg 1389; DOI: 10.1039/P29720001389 |
The proton magnetic resonance spectra of protoberberinium salts K. Jewers A. H. Manchanda and P. N. Jenkins pg 1393; DOI: 10.1039/P29720001393 |
The kinetics and mechanism of the oxidation of amines and alcohols at oxide-covered nickel, silver, copper, and cobalt electrodes M. Fleischmann K. Korinek and D. Pletcher pg 1396; DOI: 10.1039/P29720001396 |
Intermediates in nucleophilic aromatic substitution. Part XIII. Kinetic and proton magnetic resonance investigations of the interaction of methoxide ions with 1-methoxy-2,4,7-trinitronaphthalene E. J. Fendler and J. H. Fendler pg 1403; DOI: 10.1039/P29720001403 |
Reactions in strongly basic solutions. Part VI. Correlation of the rates of rearrangement of weak carbon acids in aqueous dimethyl sulphoxide with an acidity function. Substituent and kinetic isotope effects K. Bowden and R. S. Cook pg 1407; DOI: 10.1039/P29720001407 |
X-Ray crystal structure determination of a new alkaloid, daphnilactone A, C23H35O2N Kyoyu Sasaki and Yoshimasa Hirata pg 1411; DOI: 10.1039/P29720001411 |
Electron-impact induced fragmentation of three-membered heterocycles. Part III. N-t-alkylaziridine-1-carboxamides I. Lengyel D. B. Uliss and F. D. Greene pg 1415; DOI: 10.1039/P29720001415 |
Potentially bifunctional reactants. Aromatic nucleophilic substitution by imidazole or pyrazole Francesco Pietra and Francesco Del Cima pg 1420; DOI: 10.1039/P29720001420 |
Nucleophilic catalysis with rearrangement. The reactivity of pseudoaromatic compounds. Part VII. The 1-azabicyclo[2,2,2]octane-catalysed reaction of 2-iodocyclohepta-2,4,6-trien-1-one with piperidine Gino Biggi Francesco Del Cima and Francesco Pietra pg 1424; DOI: 10.1039/P29720001424 |
Antiparasitic nitroimidazoles. Part II. The decomposition of 5-nitro-2-(4-trans-styryl)-1-vinylimidazoles by sodium hydroxide Anthony F. Cockerill R. C. Harden and D. N. B. Mallen pg 1428; DOI: 10.1039/P29720001428 |
Conformations of mesityl 1-naphthyl ketone and mesityl 2-naphthyl ketone C. L. Cheng G. L. D. Ritchie P. H. Gore and M. Jehangir pg 1432; DOI: 10.1039/P29720001432 |
The carbanionic mechanism in the prototropy of 1,3-diphenylpropenes and 2-methyl-1,3-diphenylpropenes J. M. Figuera J. M. Gamboa and J. Santos pg 1434; DOI: 10.1039/P29720001434 |
Dipalmitoyl-lecithin: assignment of the 1H and 13C nuclear magnetic resonance spectra, and conformational studies N. J. M. Birdsall J. Feeney A. G. Lee Y. K. Levine and J. C. Metcalfe pg 1441; DOI: 10.1039/P29720001441 |
Intramolecular catalysis by the ionised carboxy-group of the hydrolysis of enol esters, and of the general acid catalysed ketonisation of the enols produced A. J. Kirby and G. Meyer pg 1446; DOI: 10.1039/P29720001446 |
Crystal structure of 6,6,12,12-tetrachloro-3,3,9,9-tetramethoxytricyclo-[9,1,0,0]dodecane: C16H24Cl4O4 Roy W. Baker and Peter J. Pauling pg 1451; DOI: 10.1039/P29720001451 |
E1cB mechanisms. Part II. Base hydrolysis of substituted phenyl phosphorodiamidates Andrew Williams and Kenneth T. Douglas pg 1454; DOI: 10.1039/P29720001454 |
Ionization constants of heterocyclic substances. Part X. Protonation of aminopyridine-2 (and-4)-thiones G. B. Barlin pg 1459; DOI: 10.1039/P29720001459 |
Photo-oxidation of triarylmethanes sensitised by carbonium ions D. Bethell and P. N. Clare pg 1464; DOI: 10.1039/P29720001464 |
Kinetics and mechanism of hydrolysis of trialkyl(phenylthio)silanes R. Danieli and A. Ricci pg 1471; DOI: 10.1039/P29720001471 |
Nitrophenylcarbenes. Part III. Kinetics of the decomposition of 4-nitrobenzyl chloride and dimethyl-4-nitrobenzylsulphonium ion in sodium hydroxide. A reinvestigation G. L. Closs and S. H. Goh pg 1473; DOI: 10.1039/P29720001473 |
Nucleophilic character of acyl radicals. Substituent effects on the homolytic acylation of protonated heteroaromatic bases T. Caronna G. Fronza F. Minisci O. Porta and G. P. Gardini pg 1477; DOI: 10.1039/P29720001477 |
Mechanism of the permanganate oxidation of unsaturated compounds. Part I. Short-lived intermediates of the oxidation of acetylenedicarboxylic acid M. Jáky and L. I. Simándi pg 1481; DOI: 10.1039/P29720001481 |
The decomposition of nitrourea in aqueous solution Barbara Boopsingh and J. M. Briody pg 1487; DOI: 10.1039/P29720001487 |
Nuclear relaxation and molecular properties. Part VIII. Molecular dynamics of glycine and glycylglycine J. P. Behr and J. M. Lehn pg 1488; DOI: 10.1039/P29720001488 |
Contents pages pg P031; DOI: 10.1039/P297200FP031 |
Proteolytic enzymes. Models for hydrolyses catalysed by papin Andrew Williams Ernest C. Lucas and Kenneth T. Douglas pg 1493; DOI: 10.1039/P29720001493 |
Spectrochemical study of aminoiminomethanesulphinic acid and related NN-substituted derivatives D. De Filippo G. Ponticelli E. F. Trogu and A. Lai pg 1500; DOI: 10.1039/P29720001500 |
ortho-Effect in some aromatic ethers, sulphides, and sulphoxides under electron impact Itshak Granoth pg 1503; DOI: 10.1039/P29720001503 |
Nuclear magnetic resonance spectra of cations of 4,4-dialkylcyclohexa-2,5-dienones K. L. Cook M. J. Hughes and A. J. Waring pg 1506; DOI: 10.1039/P29720001506 |
Electron spin resonance studies. Part XXXV. The generation, and some reactions, of the radicals PO32–, PO2OH–, HPO2–, and PhPO2– in aqueous solution B. C. Gilbert J. P. Larkin R. O. C. Norman and P. M. Storey pg 1508; DOI: 10.1039/P29720001508 |
Nuclear magnetic resonance spectra of adamantyl-substituted phenols and solvent-induced shifts of sterically hindered protons Soon Ng pg 1514; DOI: 10.1039/P29720001514 |
Electronic structure of syndnones. An investigation by means of ESCA and molecular orbital calculations M. Barber S. J. Broadbent J. A. Connor M. F. Guest I. H. Hillier and H. J. Puxley pg 1517; DOI: 10.1039/P29720001517 |
Kinetics and mechanism of trifluoroacetylation of aromatic compounds Sergio Alunni and Sergio Clementi pg 1521; DOI: 10.1039/P29720001521 |
Carbohydrate orthoesters. Part II. Acid-catalysed ethanolysis of 1-O-(1,1-diethoxyethyl)-2,3,4,6-tetra-O-methyl--D-glucopyranose D. P. Hultman L. R. Schroeder and F. C. Haigh pg 1525; DOI: 10.1039/P29720001525 |
Benzoquinone imines. Part XI. Mechanism and kinetics of the reaction of p-benzoquinone di-imines with aniline and its derivatives John F. Corbett and Edward P. Gamson pg 1531; DOI: 10.1039/P29720001531 |
Hydrogen bonding in mass spectral activated complexes. A correction Steven A. Benezra and Maurice M. Bursey pg 1537; DOI: 10.1039/P29720001537 |
Kinetics of the desulphuration of 35S-labelled thiourea in sodium hydroxide studied by chromatographic methods G. Marcotrigiano G. Peyronel and R. Battistuzzi pg 1539; DOI: 10.1039/P29720001539 |
Crystal structure of mycophenolic acid W. Harrison H. M. M. Shearer and J. Trotter pg 1542; DOI: 10.1039/P29720001542 |
Inductive and field effects in aromatic substitution. Part IV. The nitration of 1- and 2-phenylcyclohexylammonium ions A. Ricci and J. H. Ridd pg 1544; DOI: 10.1039/P29720001544 |
Inductive and field effects in aromatic substitution. Part V. Kinetics of nitration of the quaternary salts of diazacyclophanes and of related unbridged ions A. Ricci R. Danieli and J. H. Ridd pg 1547; DOI: 10.1039/P29720001547 |
The SN mechanism in aromatic compounds. Part XXXIX. Halogen mobility and reagent strength in reactions of some heavy atom neutral nucleophiles (thiourea, N-acetylthiourea, and selenourea) with 1-chloro- and 1-fluoro-2,4-dinitrobenzenes J. Miller and H. W. Yeung pg 1553; DOI: 10.1039/P29720001553 |
Infrared and Raman studies of some monounsaturated olefinic and acetylenic fatty acids and their derivatives J. E. D. Davies P. Hodge J. A. Barve F. D. Gunstone and I. A. Ismail pg 1557; DOI: 10.1039/P29720001557 |
Studies of silicon-29 chemical shifts in methylsilyl carboxylates by heteronuclear magnetic double resonance W. McFarlane and J. M. Seaby pg 1561; DOI: 10.1039/P29720001561 |
Crystal structures of the acid salts of some monobasic acids. Part XVI. Potassium hydrogen bis-m-chlorobenzoate A. L. Macdonald and J. C. Speakman pg 1564; DOI: 10.1039/P29720001564 |
Crystal structure of bis-p-nitrophenylcarbodi-imide, O2NC6H4N:C:NC6H4NO2 A. T. Vincent and P. J. Wheatley pg 1567; DOI: 10.1039/P29720001567 |
Approximate minimum energy reaction surfaces for the cyclobutene–cis-butadiene thermal isomerization A. Rastelli A. S. Pozzoli and G. Del Re pg 1571; DOI: 10.1039/P29720001571 |
Evidence for the electrophilic character of the toluene-p-sulphonyl free radical: relative rates of its addition to some substituted styrenes C. M. M. da Silva Corrêa and William A. Waters pg 1575; DOI: 10.1039/P29720001575 |
A re-examination of the unifiedSN2–E2 mechanism D. J. McLennan pg 1577; DOI: 10.1039/P29720001577 |
Studies in heterocyclic chemistry. Part IV. Kinetics and mechanisms for the hydrolysis of benzoxazoles P. F. Jackson K. J. Morgan and A. M. Turner pg 1582; DOI: 10.1039/P29720001582 |
Rotational isomerism. Part XIV. Medium effects on the conformational equilibria of halogenocyclohexanes R. J. Abraham and T. M. Siverns pg 1587; DOI: 10.1039/P29720001587 |
Substituent effects in homolytic substitution reactions. The phenylation of some 3-substituted thiophens C. M. Camaggi G. De Luca and A. Tundo pg 1594; DOI: 10.1039/P29720001594 |
The catalytic action of anionic catalysts. Part XIII. The reaction of n-butyl-lithium with triphenylmethane and with triphenylethylene, and of triphenylmethyl-lithium with tetrahydrofuran J. G. Carpenter Alwyn G. Evans and N. H. Rees pg 1598; DOI: 10.1039/P29720001598 |
Addition reactions of conjugated double bonds. Part IV. The stereochemistry of cyanide ion addition to some -unsaturated ketones and their -allylpalladium derivatives C. W. Alexander and W. R. Jackson pg 1601; DOI: 10.1039/P29720001601 |
Reactions of the helium tritiide ion with liquid arenes Fulvio Cacace and Sergio Caronna pg 1604; DOI: 10.1039/P29720001604 |
The vibrational spectra of compounds containing the dimethylamino-group. Part II. p-NN-dimethylaminobenzonitrile and the N-methyltoluidines P. N. Gates D. Steele R. A. R. Pearce and K. Radcliffe pg 1607; DOI: 10.1039/P29720001607 |
Crystal and molecular structure of 1,1,2,2-tetrakis-(2-methoxyphenyl)-ethane. Phenyl group conformations in XPhn compounds J. J. Daly F. Sanz R. P. A. Sneeden and H. H. Zeiss pg 1614; DOI: 10.1039/P29720001614 |
Heteroaromatic hydrogen exchange reactions. Part VI. Isotope effect for the acid-catalysed exchange of some 3-2H1- and 3-3H1-indoles B. C. Challis and E. M. Millar pg 1618; DOI: 10.1039/P29720001618 |
Heteroaromatic hydrogen exchange reactions. Part VII. Isotope effects for the base-catalysed exchange of 3-2H1- and 3-3H1-indoles in aqueous sodium hydroxide B. C. Challis and E. M. Millar pg 1625; DOI: 10.1039/P29720001625 |
Crystal structure of 1,5-dimethylnaphthalene: a neutron diffraction study G. Ferraris D. W. Jones J. Yerkess and K. D. Bartle pg 1628; DOI: 10.1039/P29720001628 |
A study of the conformation of syn-3,7-dibromo-cis,cis-cyclo-octa-1,5-diene in the crystal and in solution by X-ray crystallography and nuclear magnetic resonance R. K. Mackenzie D. D. MacNicol H. H. Mills R. A. Raphael F. B. Wilson and J. A. Zabkiewicz pg 1632; DOI: 10.1039/P29720001632 |
Conformations of substituted benzaldehydes and acetophenones by molecular polarisability measurements and infrared spectroscopy C. T. Aw H. H. Huang and E. L. K. Tan pg 1638; DOI: 10.1039/P29720001638 |
The 13C and 1H nuclear magnetic resonance spectra and methods of their assignment for nucleotides related to dihydronicotinamide adenine dinucleotide phosphate (NADPH) Berry Birdsall and J. Feeney pg 1643; DOI: 10.1039/P29720001643 |
Charge-transfer complexes. Part XI. Quenching of anthracene fluorescence by anions C. A. G. Brooks and K. M. C. Davis pg 1649; DOI: 10.1039/P29720001649 |
Electrophilic aromatic substitution. Part XII. The nitration of 1-acetamidonaphthalene in acetic anhydride, in acetic acid, and in sulphuric acid S. R. Hartshorn and K. Schofield pg 1652; DOI: 10.1039/P29720001652 |
Heteroaromatic reactivity. Part VII. The kinetics, products, and mechanism of nitration of some 1-arylpyrazoles and 1-phenylimidazole M. R. Grimmett S. R. Hartshorn K. Schofield and J. B. Weston pg 1654; DOI: 10.1039/P29720001654 |
Conformational studies on some 5,6,11,12-tetrahydrodibenzo[b,f][1,4]-diazocine and 11,12-dihydro-6H-dibenzo[b,f][1,4]thiazocine derivatives A. Saunders and J. M. Sprake pg 1660; DOI: 10.1039/P29720001660 |
Electrochemical reactions. Part X. 4-Styrylpyridine: polarography and cyclic voltammetry in dimethylformamide and reduction in protic solvents Khaled Alwair J. F. Archer and James Grimshaw pg 1663; DOI: 10.1039/P29720001663 |
The kinetics of photochemical reactions. Part I. Application of a modified bond-energy–bond-order method to the atom abstraction reactions of excited carbonyl compounds Carlos M. Previtali and Juan C. Scaiano pg 1667; DOI: 10.1039/P29720001667 |
The kinetics of photochemical reactions. Part II. Calculation of kinetic parameters for the intermolecular hydrogen abstraction reactions of the triplet state of carbonyl compounds Carlos M. Previtali and Juan C. Scaiano pg 1672; DOI: 10.1039/P29720001672 |
Tautomerism and ionization processes in 6-thioxanthine and its N-methyl derivatives D. Lichtenberg F. Bergmann and Z. Neiman pg 1676; DOI: 10.1039/P29720001676 |
The proton resonance spectra of heterocycles. Part VIII. Substituent effects on coupling constants in bicyclic heteroaromatic compounds and the prediction of chemical shifts from coupling constants A. R. Katritzky and Y. Takeuchi pg 1682; DOI: 10.1039/P29720001682 |
The phosphoryl cation as an intermediate in the reaction of benzoyl phosphates W. S. Wadsworth Jun. pg 1686; DOI: 10.1039/P29720001686 |
The effects of electronic excitation on heterolytic side-chain reactions of substituted benzenes M. Godfrey pg 1690; DOI: 10.1039/P29720001690 |
Contents pages pg P035; DOI: 10.1039/P297200FP035 |
Covalent hydrates as intermediates in heterocyclic rearrangements. Part II. The hydrolysis of 2-amino-6-methyl-4-n-propyl-s-triazolo-[1,5-a]pyrimidin-5 (4H)-one M. Dukes S. Nicholson and P. J. Taylor pg 1695; DOI: 10.1039/P29720001695 |
Through-space interaction between nonconjugated naphthalene and phenanthrene in a rigid molecule Nicolae Filipescu Frederick L. Minn and Anna V. Thomas pg 1697; DOI: 10.1039/P29720001697 |
Acylation. Part XXXVI. The kinetics and mechanism of the alkaline hydrolysis and the n-butaminolysis of ethyl thiolbenzoate in aqueous solution B. Boopsingh and D. P. N. Satchell pg 1702; DOI: 10.1039/P29720001702 |
Acid–base equilibria of nitropyridines in protium oxide and in deuterium oxide I. R. Bellobono and E. Diani pg 1707; DOI: 10.1039/P29720001707 |
The cathodic reduction of anthracene in lithium chloride–hexamethylphosphoramide L. A. Avaca and A. Bewick pg 1709; DOI: 10.1039/P29720001709 |
The reduction of acetamide by solvated electrons electrochemically generated in lithium chloride–hexamethylphosphoramide L. A. Avaca and A. Bewick pg 1712; DOI: 10.1039/P29720001712 |
Rearrangements and the intervention of protonated cyclopropanes in the thermal decompositions of cycloalkyl chloroformates W. E. Dupuy and H. R. Hudson pg 1715; DOI: 10.1039/P29720001715 |
Crystal structure of methyl 3,6-anhydro--D-galactoside J. W. Campbell and M. M. Harding pg 1721; DOI: 10.1039/P29720001721 |
The catalytic action of anionic catalysts. Part XIV. The reaction of n-butyl-lithium with fluorene in tetrahydrofuran studied by a new vacuum-type stopped-flow apparatus Alwyn G. Evans N. H. Rees and A. Walker pg 1723; DOI: 10.1039/P29720001723 |
X-Ray crystal structure of 1,3,8,10-tetraoxacyclotetradecane I. W. Bassi R. Scordamaglia and L. Fiore pg 1726; DOI: 10.1039/P29720001726 |
The absolute stereochemistry of isotopic exchange and methylation in benzyl methyl sulphoxide K. Nishihata and M. Nishio pg 1730; DOI: 10.1039/P29720001730 |
The nuclear magnetic resonance spectra of fluoroaromatics. Part V. The 13C spectra of some fluorobenzenes and fluorobenzofurans R. J. Abraham D. F. Wileman G. R. Bedford and D. Greatbanks pg 1733; DOI: 10.1039/P29720001733 |
Electronic transmission of substituent effects through the tellurophen ring F. Fringuelli G. Marino and A. Taticchi pg 1738; DOI: 10.1039/P29720001738 |
Thermodynamic and activation parameters in the reversible hydration of 1,3-dichloroacetone in dioxan R. P. Bell and P. E. Sörensen pg 1740; DOI: 10.1039/P29720001740 |
Pyrolysis of carbonates. Part II. The gas-phase pyrolysis of some symmetrical 1-methylalkyl carbonates. Kinetic deuterium isotope effect D. B. Bigley and C. M. Wren pg 1744; DOI: 10.1039/P29720001744 |
Orbital correlations for aza-derivatives of butadiene and hexatriene Z. Neiman pg 1746; DOI: 10.1039/P29720001746 |
Molecular packing modes. Part IV. Crystal and molecular structures of three cinnamic acids S. E. Filippakis L. Leiserowitz D. Rabinovich and G. M. J. Schmidt pg 1750; DOI: 10.1039/P29720001750 |
Molecular packing modes. Part V. Crystal and molecular structures of fumaramic acid V. Benghiat H. W. Kaufman L. Leiserowitz and G. M. J. Schmidt pg 1758; DOI: 10.1039/P29720001758 |
Molecular packing modes. Part VI. Crystal and molecular structures of two modifications of tetrolic acid V. Benghiat and L. Leiserowitz pg 1763; DOI: 10.1039/P29720001763 |
Molecular packing modes. Part VII. Crystal and molecular structures of anhydrous acetylenedicarboxylic acid V. Benghiat L. Leiserowitz and G. M. J. Schmidt pg 1769; DOI: 10.1039/P29720001769 |
Molecular packing modes. Part VIII. Crystal and molecular structures of but-3-ynoic acid V. Benghiat and L. Leiserowitz pg 1772; DOI: 10.1039/P29720001772 |
Molecular packing modes. Part IX. Crystal and molecular structures of pentafluorobenzoic acid and mesitoic acid V. Benghiat and L. Leiserowitz pg 1778; DOI: 10.1039/P29720001778 |
-Radiolysis of crystalline oleic acid A. Faucitano P. Locatelli A. Perotti and F. Faucitano Martinotti pg 1786; DOI: 10.1039/P29720001786 |
Addition of hydrogen cyanide to benzylideneanilines. Oxidation products Y. Ogata and A. Kawasaki pg 1792; DOI: 10.1039/P29720001792 |
Conformations of some saturated carbonyl compounds. Part II. Infrared spectra of ethyl formate, acetate, propionate, and n-butyrate, and [2H5]ethyl n-butyrate W. O. George D. V. Hassid and W. F. Maddams pg 1798; DOI: 10.1039/P29720001798 |
Aromatic substitution with rearrangement. Part IV. Catalysis by halide ions of the acid-catalysed prototropic rearrangement of 4-bromo-2,6-di-t-butylcyclohexa-2,5-dienone in acetic acid P. B. D. de la Mare and A. Singh pg 1801; DOI: 10.1039/P29720001801 |
A kinetic study of chlorine-isotopic exchange between lithium chloride and nitro-derivatives of chlorobenzene D. E. Caddy P. H. Gore S. D. Hammond and D. F. C. Morris pg 1807; DOI: 10.1039/P29720001807 |
Electron impact fragmentation of isomeric trimethylstannylnorbornenes and some related compounds John D. Kennedy and Henry G. Kuivila pg 1812; DOI: 10.1039/P29720001812 |
Crystal structures of complexes between alkali-metal salts and cyclic polyethers. Part V. The 1 : 2 complex formed between potassium iodide and 2,3,5,6,8,9,11,12-octahydro-1,4,7,10,13-benzopentaoxacyclopentadecin (benzo-15-crown-5) P. R. Mallinson and Mary R. Truter pg 1818; DOI: 10.1039/P29720001818 |
Nucleophilic attacks on carbon–carbon double bonds. Part XVI. Some relative reactivities of the leaving groups (kBr/kCl, kOMs/kCl, and kOBs/kOTs) in vinylic substitutions Zvi Rappoport and Alain Topol pg 1823; DOI: 10.1039/P29720001823 |
The chemistry of nitroso-compounds. Part III. The nitrosation of substituted benzenes in concentrated acids B. C. Challis R. J. Higgins and A. J. Lawson pg 1831; DOI: 10.1039/P29720001831 |
Fluvenes and thermochromic ethylenes. Part LXVIII. The stereochemistry of the Wittig–Horner reaction with fulvenic and related ketones M. Rabinovitz A. Solomonovici and H. Weiler-Feilchenfeld pg 1836; DOI: 10.1039/P29720001836 |
Hydrogen bonding in complexes of heterocyclic N-oxides with halogenoacetic acids. Part IV. Osmometric and nuclear magnetic resonance study of lepidine N-oxide complexes with trifluoroacetic and monochloroacetic acids in toluene at 27 C Z. Dega-Szafran E. Grech and M. Szafran pg 1839; DOI: 10.1039/P29720001839 |
Nuclear magnetic resonance spectroscopy of diphenylallyl carbanions. Part II. Conformational studies J. W. Burley and R. N. Young pg 1843; DOI: 10.1039/P29720001843 |
Proton magnetic resonance studies of cyclic compounds. Part IX. The spectra of protonated piperidines and morpholines H. Booth and J. H. Little pg 1846; DOI: 10.1039/P29720001846 |
The electronic spectra of diphenylmethyl carbonium ions A. Atkinson A. C. Hopkinson and E. Lee-Ruff pg 1854; DOI: 10.1039/P29720001854 |
Nucleophilic addition and substitution reactions of polyhalogenated norbornadienes with alkenoxide and alkenoxide anions. A novel Claisen rearrangement of allyl norbornadienyl ethers C. H. M. Adams K. Mackenzie and P. R. Young pg 1856; DOI: 10.1039/P29720001856 |
Application of the Hammett relationship to a series of tetrasubstituted thiophens. Kinetics of piperidino-debromination of some 2-bromo-3-nitro-5-X-thiophens and 2-bromo-4-methyl-3-nitro-5-X-thiophens in methanol D. Spinelli G. Consiglio and A. Corrao pg 1866; DOI: 10.1039/P29720001866 |
Solvent effects on the acid catalysed hydrolysis of benzamide, N-methylbenzamide, and NN-dimethylbenzamide C. A. Bunton S. J. Farber A. J. G. Milbank Charmian J. O'Connor and T. A. Turney pg 1869; DOI: 10.1039/P29720001869 |
Thermodynamic considerations in co-ordination. Part XI. Enthalpies and entropies of protonating asparaginyl, aspartyl, cysteinyl, and phenylalanyl anions Robert D. Graham David R. Williams and Paul A. Yeo pg 1876; DOI: 10.1039/P29720001876 |
Melting mechanisms of n-alkanecarboxylates (CnH2n+1CO2–; n? 6) H. J. Michels and A. R. Ubbelohde pg 1879; DOI: 10.1039/P29720001879 |
Anodic oxidation of Schiff bases. Part I. Oxidation of N-benzylidene-p-anisidines in acetonitrile Masaichiro Masui and Hidenobu Ohmori pg 1882; DOI: 10.1039/P29720001882 |
Role of neighbouring imidazole groups in the solvolysis of hydrazonyl chlorides A. F. Hegarty J. O'Driscoll J. K. O'Halloran and F. L. Scott pg 1887; DOI: 10.1039/P29720001887 |
Electrophilic substitution in a basic hydrazone system: the first synthesis of N-pyridylhydrazonyl bromides A. F. Hegarty P. J. Moroney A. Moynihan and F. L. Scott pg 1892; DOI: 10.1039/P29720001892 |
Contents pages pg P039; DOI: 10.1039/P297200FP039 |
The acid–base function in non-aqueous solution. Part IV. Evidence for entropy production by solvent exclusion in an aprotic solvent D. M. Parbhoo and J. W. Bayles pg 1897; DOI: 10.1039/P29720001897 |
Conformational analysis of substituted 1,2-dihydronaphthalenes M. J. Cook and N. L. Dassanayake pg 1901; DOI: 10.1039/P29720001901 |
A dipole moment study of the electrical effect of the trifluoromethyl group J. D. Hepworth J. A. Hudson D. A. Ibbitson and G. Hallas pg 1905; DOI: 10.1039/P29720001905 |
Dipole moments and configuration of imidoyl chlorides A. Dondoni and O. Exner pg 1908; DOI: 10.1039/P29720001908 |
Acyl derivatives of hydroxylamine. Part XVII. Dipole moments, configuration, and conformation of benzohydroxamoyl chlorides A. Battaglia A. Dondoni and O. Exner pg 1911; DOI: 10.1039/P29720001911 |
1,3-Cycloadditions of 3,5-dichloro-2,4,6-trimethylbenzonitrile oxide to 1,1-diphenylallene P. Beltrame P. L. Beltrame A. Filippi and G. Zecchi pg 1914; DOI: 10.1039/P29720001914 |
Proton magnetic resonance studies of compounds with bridgehead nitrogen atoms. Part XXII. The stereochemistry and 1H nuclear magnetic resonance spectra of some perhydro-2-methylimidazo[1,5-a]-pyridin-1-ones and perhydro-2-methylpyrido[1,2-c]pyrimidin-3-ones T. A. Crabb and R. F. Newton pg 1920; DOI: 10.1039/P29720001920 |
Radical intermediates in the photochemical decomposition of benzoin and related compounds A. Ledwith P. J. Russell and L. H. Sutcliffe pg 1925; DOI: 10.1039/P29720001925 |
An X-ray examination of geometrical factors affecting conjugative overlap between a cyclopropane ring and an adjacent chromophore in two 3,5-cyclosteroid derivatives Roger C. Pettersen Olga Kennard and William G. Dauben pg 1929; DOI: 10.1039/P29720001929 |
The dependence of vicinal proton–proton coupling constants on dihedral angle and substituents K. G. R. Pachler pg 1936; DOI: 10.1039/P29720001936 |
The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part XXVIII. The preparation and kinetic nitration of 2-, 3-, and 4-dimethylaminopyridines and their 1-oxides in sulphuric acid A. G. Burton R. D. Frampton C. D. Johnson and A. R. Katritzky pg 1940; DOI: 10.1039/P29720001940 |
The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part XXIX. The nitration of the 1-methyl cations of 2-methylamino-, 2-methylamino-5-nitro-, and 4-dimethylamino-pyridine G. Bianchi A. G. Burton C. D. Johnson and A. R. Katritzky pg 1950; DOI: 10.1039/P29720001950 |
The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part XXX. The orientation of the nitration of 2-pyridones A. G. Burton P. J. Halls and A. R. Katritzky pg 1953; DOI: 10.1039/P29720001953 |
Determination of the energy differences between the rotameric forms of furan and thiophen esters in carbon tetrachloride solution by infrared spectrometry D. J. Chadwick J. Chambers G. D. Meakins and R. L. Snowden pg 1959; DOI: 10.1039/P29720001959 |
Nuclear magnetic resonance investigations of carbonium ion intermediates. Part I. Kinetics and mechanism of formation of the Vilsmeier–Haack reagent Gerard J. Martin and Serge Poignant pg 1964; DOI: 10.1039/P29720001964 |
Electron impact studies. Part LXXVI. Scrambling processes in ions derived from diphenylmethane derivatives J. H. Bowie P. Y. White and T. K. Bradshaw pg 1966; DOI: 10.1039/P29720001966 |
The acid-catalysed hydrolysis of diaryl carbonates P. H. Nicholls and J. G. Tillett pg 1970; DOI: 10.1039/P29720001970 |
Kinetics of the gas-phase unimolecular thermal isomerisation and decomposition of 1,1-dichloro-2,3-dimethylcyclopropane. Part II. trans-1,1-Dichloro-2,3-dimethylcyclopropane R. P. Clifford and K. A. Holbrook pg 1972; DOI: 10.1039/P29720001972 |
19F nuclear magnetic resonance studies of aromatic compounds. Part I. The effect of solvents on the chemical shift of fluorine nuclei in para-substituted fluorobenzenes, 4-substituted 4-fluoro-trans-stilbenes, and 4-substituted 3-fluoro-trans-stilbenes I. R. Ager and L. Phillips pg 1975; DOI: 10.1039/P29720001975 |
19F nuclear magnetic resonance studies of aromatic compounds. Part II. The 19F chemical shifts in meta- and para-substituted fluorobenzenes, and 4-substituted 3- and 4-fluoro-trans-stilbenes I. R. Ager L. Phillips T. J. Tewson and V. Wray pg 1979; DOI: 10.1039/P29720001979 |
19F nuclear magnetic resonance studies of aromatic compounds. Part III. The transmission of substituent effects across bridged ring systems I. R. Ager L. Phillips and S. J. Roberts pg 1988; DOI: 10.1039/P29720001988 |
Allenes. Part XXIII. Mechanistic studies on the formation of 1-bromoallenes from prop-1-yn-3-ols S. R. Landor B. Demetriou R. J. Evans R. Grzeskowiak and P. Davey pg 1995; DOI: 10.1039/P29720001995 |
The circular dichroism of (–)-S-trans-1,2-di-4-pyridyloxiran G. Gottarelli and B. Samorì pg 1998; DOI: 10.1039/P29720001998 |
Crystal structure of a [1,2,5]oxaselenazolo[2,3-b][1,2,5]oxaselenazole-7-SeIV: a molecule with short intramolecular Se O distances, or long Se–O bonds Elma C. Llaguno and Iain C. Paul pg 2001; DOI: 10.1039/P29720002001 |
Crystal and molecular structure of sceletium alkaloid A4 by X-ray analysis P. A. Luhan and A. T. McPhail pg 2006; DOI: 10.1039/P29720002006 |
Radical-anion intermediates. Part V. Electron spin resonance spectra of radical anions and dianion radicals of some 9-substituted fluorenes B. J. Tabner and T. Walker pg 2010; DOI: 10.1039/P29720002010 |
The gas-phase thermal unimolecular elimination of keten from bicyclo[32.0]heptan-6-one Alan T. Cocks and Kurt W. Egger pg 2014; DOI: 10.1039/P29720002014 |
Contents pages pg P041; DOI: 10.1039/P297200FP041 |
Organic carbonates. Part XIV. Polar and steric effects of substituents influencing the modes of ring-opening of highly-branched ethylene and trimethylene carbonates by various nucleophiles: a nuclear magnetic resonance study Jeoshua Katzhendler Israel Ringel and Shalom Sarel pg 2019; DOI: 10.1039/P29720002019 |
Reactivity of vinyl sulphonic esters. Part XIII. Pronounced anchimeric assistance in the solvolysis of dialkyl--alkyl(or aryl)thiovinyl sulphonates A. Burighel G. Modena and U. Tonellato pg 2026; DOI: 10.1039/P29720002026 |
Mass spectrometry of 'onium compounds. Part XIV. Methiodides of methyl pyridylacetates G. Hvistendahl and K. Undheim pg 2030; DOI: 10.1039/P29720002030 |
Investigations of keto–enol tautomerism by carbon-13 nuclear magnetic resonance spectroscopy John H. Billman Stanley A. Sojka and Philip R. Taylor pg 2034; DOI: 10.1039/P29720002034 |
Homolytic acylation of protonated pyridine and pyrazine derivatives T. Caronna G. Fronza F. Minisci and O. Porta pg 2035; DOI: 10.1039/P29720002035 |
Cyclitols. Part XXXIV. X-Ray crystal and molecular structure of 1,2:5,6-Di-O-isopropylidene-3,4-di-O-tosyl-L-chiro-inostol, and its conformation in solution by nuclear magnetic resonance J. F. McConnell S. J. Angyal and J. D. Stevens pg 2039; DOI: 10.1039/P29720002039 |
Electric dipole moments of some imidazolin-2(3H)-ones, benzimidazol-2(3H)-ones, and analogous thiones C. W. N. Cumper and G. D. Pickering pg 2045; DOI: 10.1039/P29720002045 |
The role of pentaco-ordinate species in the mechanism of the Arbusov reaction C. L. Bodkin and P. Simpson pg 2049; DOI: 10.1039/P29720002049 |
Electron spin resonance studies. Part XXXVI. Formation of ion-pairs by semidiones and related radicals in aqueous solution A. J. Dobbs B. C. Gilbert and R. O. C. Norman pg 2053; DOI: 10.1039/P29720002053 |
Intramolecular nucleophilic assistance in the reactions of OO-benzylidenecatechols B. Capon and M. I. Page pg 2057; DOI: 10.1039/P29720002057 |
Solvent effect on the dissociation of protonated tris(hydroxymethyl)-methylamine and p-nitroanilinium ion in water–ethylene glycol media at 25 C K. K. Kundu A. L. De and M. N. Das pg 2063; DOI: 10.1039/P29720002063 |
The mechanism of the Vilsmeier–Haack reaction. Part II. A kinetic study of the formylation of thiophen derivatives with dimethylformamide and phosphorus oxychloride or carbonyl chloride in 1,2-dichloroethane S. Alunni P. Linda G. Marino S. Santini and G. Savelli pg 2070; DOI: 10.1039/P29720002070 |
Constitution and absolute stereochemistry of the biphenyl alkaloid lythranine: X-ray analysis of the crystal structure of bromolythranine hydrobromide ethanol solvate R. J. McClure (jun.) and G. A. Sim pg 2073; DOI: 10.1039/P29720002073 |
Kinetics of reduction of 1,5-diarylpenta-1,4-dien-3-ones with sodium borohydride in propan-2-ol Anthony F. Cockerill and David M. Rackham pg 2076; DOI: 10.1039/P29720002076 |
The thermal unimolecular decomposition of 2-methoxy-3,4-dihydro-2H-pyran H. M. Frey R. G. Hopkins and N. S. Isaacs pg 2082; DOI: 10.1039/P29720002082 |
Charge-transfer complexes in organic chemistry. Part VII. Influence of charge-transfer complexes on the quaternisation of triethylamine by tetrachlorophthalic anhydride J. B. Nagy O. B. Nagy and A. Bruylants pg 2084; DOI: 10.1039/P29720002084 |
Aromatic sulphonation. Part XXXVI. The sulphuric acid sulphonation of some o-dialkylbenzenes, benzocycloalkenes, and their 4-sulphonic acids. Formation of polyxylylene from benzocyclobutene H. Cerfontain (Mrs.) Z. R. H. Nienhuis and W. A. Zwart Voorspuy pg 2087; DOI: 10.1039/P29720002087 |
Aromatic sulphonation. Part XXXVII. The sulphur trioxide sulphonation of toluene and some o-dialkylbenzenes and benzocycloalkenes H. Cerfontain (Mrs.) A. Koeberg-Telder and E. van Kuipers pg 2091; DOI: 10.1039/P29720002091 |
Crystal structure of 1,2-bis-(4-bromophenyl)-3,5-dimethyl-4-oxo-6,7-diazabicyclo[3,2,0]hept-2-ene-6,7-dicarboxylate P. C. Chieh D. Mackay and L. Wong pg 2094; DOI: 10.1039/P29720002094 |
Micellar effects on the hydrolysis and aminolysis of 2,4-dinitrophenyl sulphate J. H. Fendler E. J. Fendler and L. W. Smith pg 2097; DOI: 10.1039/P29720002097 |
Crystal and molecular structure of 2,3,5,6-tetrachloro-4-(methylthio)-benzonitrile D. R. Carter and F. P. Boer pg 2104; DOI: 10.1039/P29720002104 |
Inductive and field effects in aromatic substitution. Part VI. The kinetics of hydrogen isotope exchange in quaternary salts of diazacyclophanes and in the related unbridged ions R. Danieli A. Ricci and J. H. Ridd pg 2107; DOI: 10.1039/P29720002107 |
Kinetics of the thermal decompositions of 4-chlorocyclohexene and 3-chlorocyclohexene J. L. Holmes and M. Dakubu pg 2110; DOI: 10.1039/P29720002110 |
E1cB mechanisms. Part III. Effect of ionisation of amido-NH on reaction of hydroxide ion with methyl 3- and 4-benzamidobenzoates Andrew Williams and Kenneth T. Douglas pg 2112; DOI: 10.1039/P29720002112 |
Crystal and molecular structure of thiocarbonohydrazide hemihydrochloride A. Braibanti A. Tiripicchio and M. Tiripicchio Camellini pg 2116; DOI: 10.1039/P29720002116 |
Crystal and molecular structure of thiocarbonohydrazide sulphate F. Bigoli A. Braibanti A. M. Manotti Lanfredi and A. Tiripicchio pg 2121; DOI: 10.1039/P29720002121 |
Study of the alkaline hydrolysis of ethyl 2-(1,2-benzisothiazolin-3-ylidene)cyanoacetate: spectroscopic properties, and X-ray crystal analysis of 2,4-bis-(1,2-benzisothiazol-3-yl)3-aminocrotononitrile–dimethylformamide E. Gaetani T. Vitali A. Mangia M. Nardelli and G. Pelizzi pg 2125; DOI: 10.1039/P29720002125 |
Syntheses and chiroptical properties of some optically active decahydroquinoline nitroxide radicals J. S. Roberts and C. Thomson pg 2129; DOI: 10.1039/P29720002129 |
Insecticides. Part I. Crystal structures of 1,1-bis-(p-chlorophenyl)-2,2-dichlorocyclopropane and 1,1-bis-(p-ethoxyphenyl)-2,2-dimethylpropane T. P. DeLacy and C. H. L. Kennard pg 2141; DOI: 10.1039/P29720002141 |
Insecticides. Part II. Crystal structures of 1,1-bis-(p-chlorophenyl)-2,2,2-trichloroethane (p,p-DDT) and 1-(o-chlorophenyl)-1-(p-chlorophenyl)-2,2,2-trichloroethane (o,p-DDT) T. P. DeLacy and C. H. L. Kennard pg 2148; DOI: 10.1039/P29720002148 |
Insecticides. Part III. Crystal structures of endrin (1,2,3,4,10,10-hexachloro-6,7-epoxy-1,4,4a,5,6,7,8,8a-octahydro-endo-1,4,-endo-5,8-dimethanonaphthalene) and aldrin (1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro-endo-1,4-exo-5,8-dimethanonaphthalene) T. P. DeLacy and C. H. L. Kennard pg 2153; DOI: 10.1039/P29720002153 |
Kinetics of the reactions of nitrous acid with olefins. Kinetic identification of probable nitrosating agents J. R. Park and D. L. H. Williams pg 2158; DOI: 10.1039/P29720002158 |
Spin trapping by use of nitroso-compounds. Part IV. Electron spin resonance studies on oxidation with nickel peroxide Shigeru Terabe and Ryusei Konaka pg 2163; DOI: 10.1039/P29720002163 |
Aziridines related to some -adrenergic blocking agents. Kinetics of formation and reaction, and some unusual salt effects G. A. Cockayne and P. J. Taylor pg 2173; DOI: 10.1039/P29720002173 |
Kinetic isotope effects and aliphatic diazo-compounds. Part I. General acid catalysis and the Brnsted coefficients W. J. Albery A. N. Campbell-Crawford and K. S. Hobbs pg 2180; DOI: 10.1039/P29720002180 |
Kinetic isotope effects and aliphatic diazo-compounds. Part II. Experiments at high buffer concentrations W. J. Albery J. S. Curran and A. N. Campbell-Crawford pg 2185; DOI: 10.1039/P29720002185 |
Kinetic isotope effects and aliphatic diazo-compounds. Part III. Solvent isotope effects for 3-diazobutan-2-one and ethyl diazopropionate W. J. Albery and A. N. Campbell-Crawford pg 2190; DOI: 10.1039/P29720002190 |
Kinetic isotope effects and aliphatic diazo-compounds. Part IV. Primary isotope effects in general acid catalysis W. J. Albery A. N. Campbell-Crawford and R. W. Stevenson pg 2198; DOI: 10.1039/P29720002198 |
Kinetic isotope effects and aliphatic diazo-compounds. Part V. Secondary isotope effects in general acid catalysis W. J. Albery J. R. Bridgeland and J. S. Curran pg 2203; DOI: 10.1039/P29720002203 |
Kinetic isotope effects and aliphatic diazo-compounds. Part VI. The values of and the Marcus theory W. J. Albery A. N. Campbell-Crawford and J. S. Curran pg 2206; DOI: 10.1039/P29720002206 |
Hydrogen abstraction from 2- and 3-methylthiophens investigated by spin trapping L. Lunazzi G. Placucci M. Tiecco and G. Martelli pg 2215; DOI: 10.1039/P29720002215 |
Nitro-heteroaromatic derivatives of amino-acids and peptides. Part V. Photochemical formation of 2-isobutylpyrido[2,3-d]imidazole 1-oxide from 3-nitro-2-pyridyl-DL-leucine G. G. Aloisi E. Bordignon and A. Signor pg 2218; DOI: 10.1039/P29720002218 |
Contents pages pg P045; DOI: 10.1039/P297200FP045 |
Homolytic organometallic reactions. Part VIII. Kinetics of the homolytic reaction between N-halogenosuccinimides and tetra-alkyltins Alwyn G. Davies B. P. Roberts and J. M. Smith pg 2221; DOI: 10.1039/P29720002221 |
Homolytic organometallic reactions. Part IX. An electron spin resonance study of the mechanism of -scission of tetra-alkoxyphosphoranyl radicals. Formation of trialkoxy(methyl)phosphoranyl radicals Alwyn G. Davies D. Griller and B. P. Roberts pg 2224; DOI: 10.1039/P29720002224 |
Homolytic organometallic reactions. Part X. Kinetics of the homolytic photoreductions of aromatic ketones by trialkylboranes Alwyn G. Davies and J. C. Scaiano pg 2234; DOI: 10.1039/P29720002234 |
Pyrolyses of some highly branched secondary acetates G. Chuchani G. Martin N. Barroeta and Allan Maccoll pg 2239; DOI: 10.1039/P29720002239 |
The cellulose–dye adsorption process. A study by the monolayer method V. G. Agnihotri and C. H. Giles pg 2241; DOI: 10.1039/P29720002241 |
Low-temperature oxidation of n-alkanes by cobaltic acetate activated by strong acids J. Hanotier Ph. Camerman M. Hanotier-Bridoux and P. de Radzitzky pg 2247; DOI: 10.1039/P29720002247 |
Slow ring-inversion of the nine-membered lactam in 4-azabicyclo[5,2,2]-undeca-8,10-dien-3-one systems Keiji Hemmi Hideo Nakai Shunji Naruto and Osamu Yonemitsu pg 2252; DOI: 10.1039/P29720002252 |
Infrared intensities as a quantitative measure of intermolecular interactions. Part XX. The electronic nature of amino-, ammonio-, and diazonio-substituents N. C. Cutress T. B. Grindley A. R. Katritzky M. V. Sinnott and R. D. Topsom pg 2255; DOI: 10.1039/P29720002255 |
Crystal and molecular structure of 1,1-azo-2-phenylimidazo[1,2-a]-pyridinium dibromide: a new curariform agent D. J. Pointer and J. B. Wilford pg 2259; DOI: 10.1039/P29720002259 |
Formal 1,1-elimination of hydrogen cyanide from o-nitrobenzyl cyanide under electron impact A. Kalir E. Sali and Asher Mandelbaum pg 2262; DOI: 10.1039/P29720002262 |
Electron spin resonance spectra of radicals derived from arylhydroquinones P. Ashworth and W. T. Dixon pg 2264; DOI: 10.1039/P29720002264 |
The acid–base behaviour of sulphides P. Bonvicini A. Levi V. Lucchini and G. Scorrano pg 2267; DOI: 10.1039/P29720002267 |
The hydration and polymerisation of succinaldehyde, glutaraldehyde, and adipaldehyde P. M. Hardy A. C. Nicholls and H. N. Rydon pg 2270; DOI: 10.1039/P29720002270 |
In situ Raman spectroscopic analysis of thin layer chromatograms D. M. Adams and Jacqueline A. Gardner pg 2278; DOI: 10.1039/P29720002278 |
Extended conjugation in di- and tri-arylmethanes. Part III. Electronic absorption spectra of transversely conjugated naphthalene analogues of Crystal Violet, Malachite Green, and Michler's hydrol blue G. Hallas K. N. Paskins and D. R. Waring pg 2281; DOI: 10.1039/P29720002281 |
The stabilities of Meisenheimer complexes. Part III. Specific effects of cations in methanol solution M. R. Crampton and H. A. Khan pg 2286; DOI: 10.1039/P29720002286 |
Stable carbonium ions. Part III. Reactions involving 1,3-diarylallyl and 1-ferrocenyl-3-arylallyl cations A. M. Easton M. J. A. Habib J. Park and W. E. Watts pg 2290; DOI: 10.1039/P29720002290 |
A dipole moment study of the ortho-effects of methyl and trifluoromethyl groups J. D. Hepworth D. A. Ibbitson A. J. Williams and G. Hallas pg 2298; DOI: 10.1039/P29720002298 |
The kinetics and mechanism of the spontaneous alcoholysis of p-chlorophenyl isocyanate in diethyl ether. The association of alcohols in diethyl ether S. A. Lammiman and R. S. Satchell pg 2300; DOI: 10.1039/P29720002300 |
Kinetics of the reduction of some perbenzoic acids by iodide ions F. Secco and M. Venturini pg 2305; DOI: 10.1039/P29720002305 |
Chloride-ion promoted dehydrochlorination of 1,1-diaryl-2,2,2-trichloroethanes in dipolar aprotic solvents O. R. Jackson D. J. McLennan S. A. Short and R. J. Wong pg 2308; DOI: 10.1039/P29720002308 |
Reactions of thiolsulphonates with amines Ennio Ciuffarin Lucio Senatore and Giacomo Giovannini pg 2314; DOI: 10.1039/P29720002314 |
Vinylic cations from solvolysis. Part XII. Solvolysis of cis- and trans--bromo- and--dibromo-4,4-dimethoxystilbenes Zvi Rappoport and Micha Atidia pg 2316; DOI: 10.1039/P29720002316 |
Molecular polarisability. The apparent dipole moments and molar Kerr constants of six polypropylene glycols as solutes in benzene R. J. W. Le Fèvre and K. M. S. Sundaram pg 2323; DOI: 10.1039/P29720002323 |
Mechanism of the permanganate oxidation of unsaturated compounds. Part II. Stopped-flow kinetic study of the oxidation of acetylenedicarboxylic acid L. I. Simándi and M. Jáky pg 2326; DOI: 10.1039/P29720002326 |
Crystal and molecular structure of 20(S)-hydroxypregn-4-en-3-one [20(S)-hydroxyprogesterone] N. W. Isaacs W. D. S. Motherwell J. C. Coppola and Olga Kennard pg 2331; DOI: 10.1039/P29720002331 |
Crystal and molecular structure of 17-hydroxyandrost-4-en-3-one (epitestosterone) N. W. Isaacs W. D. S. Motherwell J. C. Coppola and Olga Kennard pg 2335; DOI: 10.1039/P29720002335 |
Crystal structure and absolute configuration of (R)-(–)-3-acetoxyquinuclidine methiodide Roy W. Baker and Peter J. Pauling pg 2340; DOI: 10.1039/P29720002340 |
Substituent effects in the electrophilic substitution of deactivated systems. Part II. The Mills–Nixon effect and the nitration of strained 1,2,3,4-tetrahydroquinolinium ions J. H. P. Utley and T. A. Vaughan pg 2343; DOI: 10.1039/P29720002343 |
The photoreactions of aromatic carbonyl compounds with amines. Part II. The reactions of triplet benzophenone and other ketones with primary and secondary aromatic amines R. S. Davidson P. F. Lambeth and M. Santhanam pg 2351; DOI: 10.1039/P29720002351 |
The photoreactions of aromatic carbonyl compounds with amines. Part III. The photoreactions of fluorenone with tertiary amines R. S. Davidson and M. Santhanam pg 2355; DOI: 10.1039/P29720002355 |
Carbonate pyrolysis. Part III. The gas-phase pyrolysis of some unsymmetrical and t-alkyl carbonates D. B. Bigley and C. M. Wren pg 2359; DOI: 10.1039/P29720002359 |
Proton magnetic resonance studies of cyclic compounds. Part X. The spectrum and conformation of trans-decahydroquinoline co-ordinated to tris(dipivaloylmethanato)europium H. Booth and D. V. Griffiths pg 2361; DOI: 10.1039/P29720002361 |
The chemistry of nitroso-compounds. Part IV. Acid-catalysed nitrosation of para-substituted phenols B. C. Challis and R. J. Higgins pg 2365; DOI: 10.1039/P29720002365 |
Crystal and molecular structure of cis-1,1-bismethoxycarbonyl-4a-methyldecahydronaphthalene A. T. McPhail Pui-Suen Wong and D. M. S. Wheeler pg 2369; DOI: 10.1039/P29720002369 |
Crystal and molecular structure of trans-2,trans-3-dimethylcyclopro-panecarboxylic acid P. A. Luhan and A. T. McPhail pg 2372; DOI: 10.1039/P29720002372 |
Crystal structure and absolute configuration of a derivative of dothistromin, a fungal toxin implicated in pine-needle blight C. A. Bear J. M. Waters and T. N. Waters pg 2375; DOI: 10.1039/P29720002375 |
Acid-catalysed hydrolysis of substituted acetanilides J. W. Barnett and Charmian J. O'Connor pg 2378; DOI: 10.1039/P29720002378 |
The gas-phase unimolecular thermal isomerization of pentachlorocyclopropane J. C. Ferrero J. J. Cosa and E. H. Staricco pg 2382; DOI: 10.1039/P29720002382 |
Crystal and molecular structure of 2-(4-bromophenyl)-r-2,4,4,c-6-tetramethyl-1,3-dioxan G. M. Kellie P. Murray-Rust and F. G. Riddell pg 2384; DOI: 10.1039/P29720002384 |
Orientation effects in the sulphonation of anisidinium ions in sulphuric acid J. R. Blackborow pg 2387; DOI: 10.1039/P29720002387 |