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Front cover pg X001; DOI: 10.1039/P299100FX001 |
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Contents pages pg P001; DOI: 10.1039/P299100FP001 |
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Charge-transfer nitration of naphthalene and the methylnaphthalenes. Part 1. Direct comparison with electrophilic aromatic nitrations S. Sankararaman and J. K. Kochi pg 1; DOI: 10.1039/P29910000001 |
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Back cover pg X003; DOI: 10.1039/P299100BX003 |
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Hydrolysis of toxic organophosphorus esters. The behaviour of the perborate anion Henri-Jean Cristau Eliane Torreilles and Jean-François Ginieys pg 13; DOI: 10.1039/P29910000013 |
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Nitrosation of Meldrum's acid (2,2-dimethyl-1,3-dioxane-4,6-dione) and ethyl acetoacetate Pablo Hérves Beloso Panchali Roy and D. Lyn H. Williams pg 17; DOI: 10.1039/P29910000017 |
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An empirical method for the evaluation of electron affinities Ivan P. de Arruda Campos Daisy B. Rezende Maria Eunice R. Marcondes and Vicente G. Toscano pg 23; DOI: 10.1039/P29910000023 |
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Model systems for cytochrome P450 dependent monooxygenases. Part 8. A study of the epoxidation of (Z)-cyclooctene by iodosylbenzene catalysed by cationic iron(III) tetra(N-methylpyridyl)porphyrins adsorbed on Dowex MSC1 Donald R. Leanord and John R. Lindsay Smith pg 25; DOI: 10.1039/P29910000025 |
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The mechanism of the reaction between t-butyl hydroperoxide and 5,10,15,20-tetra(N-methyl-4-pyridyl)porphyrinatoiron(III) pentachloride in aqueous solution John R. Lindsay Smith and Russell J. Lower pg 31; DOI: 10.1039/P29910000031 |
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Mechanisms of reductive methylation of NAD+ analogues by a trans-dimethylcobalt(III) complex Shunichi Fukuzumi and Toshiaki Kitano pg 41; DOI: 10.1039/P29910000041 |
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Clathrate formation with Troeger base analogues Dianne R. Bond and Janet L. Scott pg 47; DOI: 10.1039/P29910000047 |
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Stereoelectronic control of the tertiary ketol rearrangement: implications for the mechanism of the reaction catalysed by the enzymes of branched-chain amino acid metabolism, reductoisomerase and acetolactate decarboxylase David H. G. Crout C. Rupert McIntyre and Nathaniel W. Alcock pg 53; DOI: 10.1039/P29910000053 |
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Kinetics and mechanism of the aminolysis of 2,4-dinitrophenyl and 2,4,6-trinitrophenyl thiolacetates Enrique A. Castro and Carmen Ureta pg 63; DOI: 10.1039/P29910000063 |
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Conformation of 1-benzyloxy-4-methoxypyridinium perchlorate: X-ray, AM1 and PM3 studies Zofia Dega-Szafran Mariusz Jaskólski Zofia Kosturkiewicz Miros  aw Szafran and Ewa Tykarska pg 69; DOI: 10.1039/P29910000069 |
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Reduction of substituted nitro compounds with tri-n-butyltin hydride W. Russell Bowman David Crosby and Paul J. Westlake pg 73; DOI: 10.1039/P29910000073 |
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Triazene drug metabolites. Part 10. Metal-ion catalysed decomposition of monoalkyltriazenes in ethanol solutions Jim Iley Rui Moreira and Eduarda Rosa pg 81; DOI: 10.1039/P29910000081 |
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Structure and solution stability of indium and gallium complexes of 1,4,7-triazacyclononanetriacetate and of yttrium complexes of 1,4,7,10-tetraazacyclododecanetetraacetate and related ligands: kinetically stable complexes for use in imaging and radioimmunotherapy. X-Ray molecular structure of the indium and gallium complexes of 1,4,7-triazacyclononane-1,4,7-triacetic acid Christopher J. Broan Jonathan P. L. Cox Andrew S. Craig Ritu Kataky David Parker Alice Harrison Amanda M. Randall and George Ferguson pg 87; DOI: 10.1039/P29910000087 |
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IR Laser-induced chemistry of some perhaloethene–silane mixtures at different single irradiating wavelengths Josel Pola and Sawa Simeonov pg 101; DOI: 10.1039/P29910000101 |
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Reactions in strongly basic media. Part 10. Base-catalysed isomerisation of Z- to E-substituted chalcones Keith Bowden Christiana K. Duah and Richard J. Ranson pg 109; DOI: 10.1039/P29910000109 |
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Configurational isomerism in crystalline forms of benzophenone anils John H. Matthews Iain C. Paul and David Y. Curtin pg 113; DOI: 10.1039/P29910000113 |
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Influence of solvent and cation on the properties of oxygen-containing organic anions. Part 4. Mechanism and reactivity of tetraaryloxirane cleavage with alkali metals M. Luisa T. M. B. Franco Bernardo J. Herold and Adalbert Maercker pg 119; DOI: 10.1039/P29910000119 |
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A novel parameter (S1) for three-dimensional shape similarity between groups: correlation with molecular recognition and biological activity Jun-ichi Kato Masato M. Ito Miho Tsuyuki Shoji Skimizu Yoshikatsu Kainami Takashi Inakuma Harumitsu Matsuoka Takashi Isago Koki Tajima and Tadashi Endo pg 131; DOI: 10.1039/P29910000131 |
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Protonation scheme for some triaza macrocycles studied by potentiometry and NMR spectroscopy Carlos F. G. C. Geraldes A. Dean Sherry M. Paula M. Marques M. Carmen Alpoim and Sergio Cortes pg 137; DOI: 10.1039/P29910000137 |
The mechanism of water loss from the oxonium ions CH3CH2CH2+O CH2 and (CH3)2CH+OCH2Richard D. Bowen Alex W. Colburn and Peter J. Derrick pg 147; DOI: 10.1039/P29910000147 |
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Non-linear Brnsted correlations: evidence for a levelling off in the reactivity of oximate ions in aqueous solution François Terrier Patricio MacCormack Elyane Kizilian Jean-Claude Hallé Pierre Demerseman Frédéric Guir and Claude Lion pg 153; DOI: 10.1039/P29910000153 |
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Crystal structure of a cyclohexanespiropropane derivative prepared from 1-(nitromethyl)-1,2-epoxycyclohexene and methyl sodiocyanoacetate Yoshinobu Yokomori and Rui Tamura pg 159; DOI: 10.1039/P29910000159 |
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Corrigendum Lorraine B. Jackson and Anthony J. Waring pg 163; DOI: 10.1039/P29910000163 |
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Instructions for authors (1991) pg v; DOI: 10.1039/P2991000000v |
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IUPAC publications on nomenclature and symbolism pg xx; DOI: 10.1039/P299100000xx |
Issue 2
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Front cover pg X005; DOI: 10.1039/P299100FX005 |
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Contents pages pg P005; DOI: 10.1039/P299100FP005 |
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Back cover pg X007; DOI: 10.1039/P299100BX007 |
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Kinetics and mechanisms of charge-transfer nitration. Part 2. Time-resolved spectral evolution of the ipso adducts from 1,4-dimethylnaphthalene cation radical S. Sankararaman and J. K. Kochi pg 165; DOI: 10.1039/P29910000165 |
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Limitations of the transition state variation model. Part 2. Dual reaction channels for solvolyses of 2,4,6-trimethylbenzenesulphonyl chloride In Sun Koo T. William Bentley Dae Ho Kang and Ikchoon Lee pg 175; DOI: 10.1039/P29910000175 |
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Refinement of molecular mechanics parameters for ethers based on the conformational energies of Me–O–X (X = Me, Et, Pri and But) obtained by ab initio molecular orbital calculations Seiji Tsuzuki and Kazutoshi Tanabe pg 181; DOI: 10.1039/P29910000181 |
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Heterocyclic photorearrangements. Some investigations of the photochemical behaviour of 3-acylamino-1,2,4-oxadiazoles. Synthesis of the quinazolin-4-one system Silvestre Buscemi and Nicolò Vivona pg 187; DOI: 10.1039/P29910000187 |
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Photochemical reactions of aromatic compounds. Part 49. An exciplex chain mechanism for the 1,4-dicyanonaphthalene-photosensitised isomerisation of hexamethyl-(Dewar benzene) Yasuhiro Masaki Yoshikazu Uehara Shozo Yanagida and Chyongjin Pac pg 191; DOI: 10.1039/P29910000191 |
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Optical rotations and conformations of (S)-propane-1,2-diol, D-threo-butane-2,3-diol and some alditols in aqueous and non-aqueous media David Lewis pg 197; DOI: 10.1039/P29910000197 |
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NMR spectroscopic and X-ray crystallographic studies on the structure, stereochemistry and conformation of a series of 9,11-cyclic aminals of (9S)-9-N-methylerythromycylamine A J. Sydney Davies Jeremy R. Everett Ian K. Hatton Eric Hunt John W. Tyler Iskander I. Zomaya Alexandra M. Z. Slawin and David J. Williams pg 201; DOI: 10.1039/P29910000201 |
Intramolecular catalysis. Part 7. The Smiles rearrangement of substituted 2-hydroxy-2 -nitro- and -2,4-dinitro-diphenyl sulphones, as well as 2-amino-2,4-dinitrodiphenyl sulphide, 2-[(2-aminophenyl)thio]-3-nitropyridine and 2-hydroxy-2,4-dinitrodiphenyl etherKeith Bowden and Philip R. Williams pg 215; DOI: 10.1039/P29910000215 |
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A combined quantum mechanical/molecular mechanical model of the potential energy surface of ester hydrolysis by the enzyme phospholipase A2 Bohdan Waszkowycz Ian H. Hillier Nigel Gensmantel and David W. Payling pg 225; DOI: 10.1039/P29910000225 |
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Synthesis and structure of tricarbonylchromium mono-, bis- and tris-complexes of 10-methyltribenzotriquinacene Alberto Ceccon Alessandro Gambaro Francesco Manoli Alfonso Venzo Dietmar Kuck Thomas E. Bitterwolf Paolo Ganis and Giovanni Valle pg 233; DOI: 10.1039/P29910000233 |
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One-electron reduction of sulphonium salts in aqueous solution: a pulse radiolysis study Marija Bonifa  i and Elke Anklam pg 243; DOI: 10.1039/P29910000243 |
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Mechanism of reaction of isomeric nitrolic acids to nitrile oxides in aqueous solution Carmel Egan Maurice Clery Anthony F. Hegarty and Alan J. Welch pg 249; DOI: 10.1039/P29910000249 |
Steroidal cyclobutanones. Part 2. Diastereofacial selection in the cycloaddition of dichloroketene and 3 -acetoxy-20a-homopregna-5,20-diene. Crystal structure of the cycloadduct, (20S)-3-acetoxy-20,24-cyclo-22,22-dichlorochol-5-en-23-oneKrzysztof B aszczyk Ewa Tykarska and Zdzisaw Paryzek pg 257; DOI: 10.1039/P29910000257 |
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Synthesis and hydrolysis studies of phosphonopyruvate Sally Freeman William J. Irwin and Carl H. Schwalbe pg 263; DOI: 10.1039/P29910000263 |
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Conformational analysis of methylsulphinyl derivatives of furan and thiophene by employing nuclear magnetic relaxation and lanthanide induced shifts Ugo Folli Dario Iarossi Adele Mucci Luisa Schenetti and Ferdinando Taddei pg 269; DOI: 10.1039/P29910000269 |
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Band-shape analysis and resolution of electronic spectra of pyridoxal 5-phosphate with amino acids M. A. Vázquez F. Muñoz J. Donoso and F. García Blanco pg 275; DOI: 10.1039/P29910000275 |
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Report on the Perkin Journals for the period January 1990–December 1990 Professor Stanley M. Roberts and Dr. Sheila R. Buxton pg iv; DOI: 10.1039/P299100000iv |
Issue 3
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Front cover pg X009; DOI: 10.1039/P299100FX009 |
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Contents pages pg P009; DOI: 10.1039/P299100FP009 |
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Back cover pg X011; DOI: 10.1039/P299100BX011 |
The reaction of geminal bromonitroalkanes with nucleophiles. Part 1. The decomposition of 2-bromo-2-nitropropane-1,3-diol ( Bronopol ) in aqueous baseBrian C. Challis and Taher I. Yousaf pg 283; DOI: 10.1039/P29910000283 |
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Stereochemical studies of complex molecules by collisionally induced decomposition of doubly charged ions: Nuphar alkaloids O. Bortolini O. Curcuruto P. Traldi A. Iwanow and J. T. Wróbel pg 287; DOI: 10.1039/P29910000287 |
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Triphenylpyrylium-salt-sensitized electron transfer oxygenation of adamantylideneadamantane. Product, fluorescence quenching, and laser flash photolysis studies Ryoichi Akaba Hirochika Sakuragi and Katsumi Tokumaru pg 291; DOI: 10.1039/P29910000291 |
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The eclipsed non-alternating ground-state conformation for 1,1,2-tri-t-butylethane. Molecular mechanics calculations and NMR spectrum J. Edgar Anderson pg 299; DOI: 10.1039/P29910000299 |
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The kinetics and mechanism of the hydrolysis of p-nitrophenyl isothiocyanate promoted by soft metal ions Derek P. N. Satchell and Rosemary S. Satchell pg 303; DOI: 10.1039/P29910000303 |
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Nucleophilic displacement reactions at carbon, phosphorus and sulphur centres: reaction of aryl methanesulphonates with ethoxide; change in mechanism with change in leaving group Marko J. Pregel and Erwin Buncel pg 307; DOI: 10.1039/P29910000307 |
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Correlation of molecular mechanics with NMR spectroscopy: molecular geometry of nitrogen heterocycles Paul S. Son Tay-Yean Lin Thomas Grzybowski Norman H. Cromwell and Charles A. Kingsbury pg 313; DOI: 10.1039/P29910000313 |
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Investigations of oxonium ions John M. Tedder and G. Stewart Walker pg 317; DOI: 10.1039/P29910000317 |
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Structure and stability, as a function of pH, of borate esters of carbohydrate oximes and related compounds in aqueous media studied by 11B and 13C NMR spectroscopy Jacco van Haveren Michael H. B. van den Burg Joop A. Peters Jan G. Batelaan Antonius P. G. Kieboom and Herman van Bekkum pg 321; DOI: 10.1039/P29910000321 |
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FeIII-ion-catalysed non-enzymatic transformation of ADP in to ATP Akira Kitani Shu-ichi Tsunetsugu and Kazuo Sasaki pg 329; DOI: 10.1039/P29910000329 |
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Photoisomerization and photodegradation of metanilic acid John M. Lally and William J. Spillane pg 333; DOI: 10.1039/P29910000333 |
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Kinetic and mechanistic study of the reaction between dithiomalonamides and diiodine. Crystal structure of the compounds 3,5-bis(ethylamino)-1,2-dithiolylium triiodide and 3,5-bis(morpholino)-1,2-dithiolylium iodide monohydrate Roberto Ambrosetti Giuseppe Bellucci Roberto Bianchini Francesco Bigoli Paola Deplano Maria Angela Pellinghelli and Emanuele F. Trogu pg 339; DOI: 10.1039/P29910000339 |
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Studies on decarboxylation reactions. Part 7. Kinetic study of the decarboxylation of 2-amino- and 2-phenylamino-thiazole-5-carboxylic acids Renato Noto Maurizio Ciofalo Francesco Buccheri Giuseppe Werber and Domenico Spinelli pg 349; DOI: 10.1039/P29910000349 |
 OH radical induced decarboxylation of methionine-containing peptides. Influence of peptide sequence and net chargeKrzysztof Bobrowski Christian Schöneich Jerzy Holcman and Klaus-Dieter Asmus pg 353; DOI: 10.1039/P29910000353 |
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Evaluation of the equilibrium constants, chemical shifts and stoichiometries for reactions of lanthanide shift reagents containing -diketones with carbohydrate derivatives Michael J. Hynes Jennifer M. Keely Elizabeth E. Lee P. McArdle J. O'Callaghan and Noel Gavin pg 363; DOI: 10.1039/P29910000363 |
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Micellar promoted photoreduction of ethylenediaminetetraacetato cobaltate(III) by 1-benzyl-1,4-dihydronicotinamide Kohichi Yamashita Masahiro Chiba Hitoshi Ishida and Katsutoshi Ohkubo pg 367; DOI: 10.1039/P29910000367 |
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Protonation of some 4-substituted benzamides and 2,6-dimethylbenzamides Paolo De Maria Cristina Lea Barbieri Domenico Spinelli Carlo Dell'Erba Marino Novi Giovanni Petrillo and Fernando Sancassan pg 373; DOI: 10.1039/P29910000373 |
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The electrochemistry of 1-substituted-1,4-diazaspiro[5.5]undecane-3,5-diones in non-aqueous media Gouda M. Abou-Elenien Mohamed A. Aboutabl Amr O. Sherin and Hussein M. Fahmy pg 377; DOI: 10.1039/P29910000377 |
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Stereoelectronic control of the base-catalysed rearrangement of 2-hydroxy-3-oxocarboxylates David H. G. Crout Edward R. Lee and David P. J. Pearson pg 381; DOI: 10.1039/P29910000381 |
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FT-IR spectrometric study of N-t-butoxycarbonylglycine N,N-dimethylamide and its interaction with proton donors J. Parmentier C. Samyn M. Van Beylen and Th. Zeegers-Huyskens pg 387; DOI: 10.1039/P29910000387 |
Chlorination of  ,-unsaturated ketones and esters in the presence of acid scavengersVictor L. Heasley Stephen L. Elliott Paul E. Erdman Daphne E. Figueroa Kevin W. Krosley Timothy J. Louie Hal B. Moore Brad P. Mudge Danny F. Nogales John Nordeen Melanie L. Oakes James W. Rosbrugh Jr. Andreas M. Sauerbrey Terry Y. Shibuya Mark S. Stanley Cary C. Stewart Dale F. Shellhamer and Gene E. Heasley pg 393; DOI: 10.1039/P29910000393 |
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Reaction of xenon difluoride with indene in aqueous 1,2-dimethoxyethane and tetrahydrofuran Dale F. Shellhamer David L. Carter Michael Chua Chiaco Tyler E. Harris Rodney D. Henderson William S. C. Low Brett T. Metcalf Michael C. Willis Victor L. Heasley and Robert D. Chapman pg 401; DOI: 10.1039/P29910000401 |
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Hydrophobic vitamin B12. Part 9. An artificial holoenzyme composed of hydrophobic vitamin B12 and synthetic bilayer membrane for carbon-skeleton rearrangements Yukito Murakami Yoshio Hisaeda and Teruhisa Ohno pg 405; DOI: 10.1039/P29910000405 |
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Kinetics and mechanism of the formation of methacrylamide from 2-methyl-2-sulphatopropionamide in strong acid media C. Dennis Hall Christopher J. Leeding Stephen Jones Stephen Case-Green Ian Sanderson and Marielle van Hoorn pg 417; DOI: 10.1039/P29910000417 |
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Thermodynamic nitration rates of aromatic compounds. Part 3. Nitration of aromatic compounds in concentrated aqueous trifluoromethanesulphonic acid Nunziata C. Marziano Claudio Tortato and Marco Sampoli pg 423; DOI: 10.1039/P29910000423 |
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Nucleophilic displacement in polyhalogenoaromatic compounds. Part 14. Chloroazulenes Roger Bolton Darren G. Hamilton and John P. B. Sandall pg 431; DOI: 10.1039/P29910000431 |
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Corrigenda Toshio Ogino Kazuyuki Awano Yoshimasa Fukazawa Daniel Krois Harald Lehner Vinod K. Gupta Rajendra N. Goyal and Alok Mittal pg 437; DOI: 10.1039/P29910000437 |
Issue 4
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Front cover pg X013; DOI: 10.1039/P299100FX013 |
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Contents pages pg P013; DOI: 10.1039/P299100FP013 |
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Back cover pg X015; DOI: 10.1039/P299100BX015 |
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Steric effects in the dimerization of 2,5-dialkyl-3,4-diphenylcyclopentadienones Hilton M. Weiss pg 439; DOI: 10.1039/P29910000439 |
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Skeletal rearrangements during the fluorination of C6-hydrocarbons over cobalt(III) trifluoride James Burdon Jeremy C. Creasey Lee D. Proctor Raymond G. Plevey and J. R. Neil Yeoman pg 445; DOI: 10.1039/P29910000445 |
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Optical resolution, absolute configuration and empirical force-field calculations of ()-5,8,15,18-tetramethyl-2,11-diaza[3.3]paracyclophane P. Finocchiaro A. Mamo S. Pappalardo W. Weissensteiner and M. Widhalm pg 449; DOI: 10.1039/P29910000449 |
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Kinetics and mechanism of reserpine oxidation by nitrous acid M. A. Muñoz D. González-Arjona and M. Balón pg 453; DOI: 10.1039/P29910000453 |
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Solid–solid–liquid reaction systems. A mechanistic study Onn Arrad and Yoel Sasson pg 457; DOI: 10.1039/P29910000457 |
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Solvent effects on the conformational equilibrium of 1,1,2-trichloroethane Michael H. Abraham Raymond J. Abraham Paul Leonard Nancy S. True and Cristina Suarez pg 463; DOI: 10.1039/P29910000463 |
High diastereofacial selectivity in the conjugate addition of phenylmagnesium bromide to acyclic -enones with an asymmetric carbon at the  -positionCarlos Alvarez Ibarra María Selma Arias Pérez Irene de Castro and María Jose Fernandez pg 467; DOI: 10.1039/P29910000467 |
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Kinetic isotope effects for proton abstraction from methanol by polyhalogenomethyl carbanions. Cleavage of Me3SiCHX2 and Me3SiCX3 by base in methanol Colin Eaborn and W odzimierz A. Sta czyk pg 471; DOI: 10.1039/P29910000471 |
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Adsorption behaviour of local anaesthetics in synthetic lipid membranes coated on a quartz-crystal microbalance and correlations with their anaesthetic potencies Yoshio Okahata and Hiroshi Ebato pg 475; DOI: 10.1039/P29910000475 |
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Preparation of heteroaryl phenylmethanes and a 13C and 15N NMR spectroscopic study of their conjugate carbanions. Rotational isomerism and charge maps of the anions and ranking of the charge demands of the heterocycles Alessandro Abbotto Vito Alanzo Silvia Bradamante and Giorgio A. Pagani pg 481; DOI: 10.1039/P29910000481 |
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Fused heterocycles. Part 4. Synthesis and stereochemistry of hexahydrobenzo[6,7]cyclohepta[1,2-c]pyrazoles Áron Szöllösy Gábor Tóth Tamás Lóránd Tibor Kónya Ferenc Aradi and Albert Lévai pg 489; DOI: 10.1039/P29910000489 |
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Synthesis and study of intramolecularly-quenched fluorogenic substrates containing aminocoumarin or aminoquinolinone-type fluorophores George Kokotos and Chryssa Tzougraki pg 495; DOI: 10.1039/P29910000495 |
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1H and 13C NMR studies on the positional isomers of methyl selenalaurate and telluralaurate Marcel S. F. Lie Ken Jie Cheung Yan-Kit Sherman H. Chau and Bonnie F. Y. Yan pg 501; DOI: 10.1039/P29910000501 |
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The mechanisms of nucleophilic substitution reactions of aromatic ethers with amines in benzene Thomas A. Emokpae Patrick U. Uwakwe and Jack Hirst pg 509; DOI: 10.1039/P29910000509 |
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NMR spectra of the porphyrins. Part 40. Self-aggregation in zinc(II) and nickel(II) 2-vinylphyllperythrins Raymond J. Abraham Alan E. Rowan Kathryn E. Mansfield and Kevin M. Smith pg 515; DOI: 10.1039/P29910000515 |
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Novel photosensitizers for the E/Z-isomerization of trienes. Part 1. Syntheses and application Karl-Heinz Pfoertner pg 523; DOI: 10.1039/P29910000523 |
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Novel photosensitizers for the E/Z-isomerization of trienes. Part 2. Mechanistic and photophysical aspects Karl-Heinz Pfoertner and Manfred Voelker pg 527; DOI: 10.1039/P29910000527 |
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An AM1 and PM3 molecular orbital and self-consistent reaction-field study of the aqueous solvation of glycine, alanine and proline in their neutral and zwitterionic forms Henry S. Rzepa and Man Yin Yi pg 531; DOI: 10.1039/P29910000531 |
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Theoretical studies of substituent effects on stationary structures of amidine decomposition Juan Andrés Jirí Krechl and Estanislao Silla pg 539; DOI: 10.1039/P29910000539 |
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Kinetics and molecular modelling studies on the stereoselective hydrolysis of enantiomeric esters by dipeptide catalysts Yasuji Ihara Satoko Asakawa Kayo Igata Y  ko Matsumoto and Ryuichi Ueoka pg 543; DOI: 10.1039/P29910000543 |
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Oxoiron(IV) porphyrins derived from charged iron(III) tetraarylporphyrins and chemical oxidants in aqueous and methanolic solutions Steven E. J. Bell Paul R. Cooke Paul Inchley Donald R. Leanord John R. Lindsay Smith and Angus Robbins pg 549; DOI: 10.1039/P29910000549 |
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Corrigenda Thomas A. Emokpae Jack Hirst Patrick U. Uwakwe Pablo Hérves Beloso Panchali Roy and D. Lyn H. Williams pg 561; DOI: 10.1039/P29910000561 |
Issue 5
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Front cover pg X017; DOI: 10.1039/P299100FX017 |
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Contents pages pg P017; DOI: 10.1039/P299100FP017 |
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Back cover pg X019; DOI: 10.1039/P299100BX019 |
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Acyloxymethyl as a drug protecting group. Kinetics and mechanism of the hydrolysis of N-acyloxymethylbenzamides Jim Iley Rui Moreira and Eduarda Rosa pg 563; DOI: 10.1039/P29910000563 |
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Proton transfer reactions of 2-alkyl-4-(4-nitrophenylazo)resorcinol monoanions with hydroxide ion in Me2SO–H2O mixtures Frank Hibbert and Siân C. Phillips pg 571; DOI: 10.1039/P29910000571 |
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Kinetics and mechanism of the hydrolysis of diethyl thioacetals of substituted benzaldehydes in aqueous perchloric acid Muhammad Ali and Derek P. N. Satchell pg 575; DOI: 10.1039/P29910000575 |
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Effect of metal ion complexation on the rate of the alkaline ester hydrolysis of 4-(4-nitrophenoxycarbonyl)benzo-15-crown-5 in ethanol–water mixtures Robert J. M. Hedderwick Frank Hibbert and (the late) Victor Gold pg 579; DOI: 10.1039/P29910000579 |
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A 1H NMR investigation of the conformational properties of 1,2-dimethoxybenzene James W. Emsley Sven Hadenfeldt Timothy J. Horne Giorgio Celebre and Marcello Longeri pg 583; DOI: 10.1039/P29910000583 |
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Chemistry of isocyanides. Part 2. Nucleophilic addition of hydroxide to aromatic isocyanides in aqueous dimethyl sulphoxide. Correlations of rate with a nucleophilicity function Ian D. Cunningham Gabriel J. Buist and Stephen R. Arkle pg 589; DOI: 10.1039/P29910000589 |
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Kinetics and mechanism of the acid-catalysed hydrolysis of regioisomeric benzotriazole and 8-azaadenine nucleosides Rainer Käppi Zygmunt Kazimierczuk Pia Järvinen Frank Seela and Harri Lönnberg pg 595; DOI: 10.1039/P29910000595 |
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1H NMR studies on cyclo[-Arg(Mtr)-Gly-Asp(But)-Ser(But)-Lys(Boc)-] and cyclo(-Arg-Gly-Asp-Ser-Lys-), cyclic analogues of the adhesion domain of fibronectin Michael P. Williamson John S. Davies and W. Anthony Thomas pg 601; DOI: 10.1039/P29910000601 |
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Conformational preferences and energetics of N–O heterolyses in aryl nitrenium ion precursors: ab initio and semiempirical molecular orbital calculations George P. Ford and P. S. Herman pg 607; DOI: 10.1039/P29910000607 |
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Oxygen exchange between sulphoxides and sulphides. Part 3. The HCl-catalysed reduction of aryl methyl sulphoxides by dialkyl sulphides in aqueous methanol Umberto Miotti pg 617; DOI: 10.1039/P29910000617 |
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15N nuclear polarisation in nitration and related reactions. Part 5. The borderline between the classical and the electron transfer mechanisms in nitration by the nitronium ion James F. Johnston John H. Ridd and John P. B. Sandall pg 623; DOI: 10.1039/P29910000623 |
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Mechanisms of peroxide decomposition. An EPR investigation of the reactions between some transition metal ions (TiIII, FeII, CuI) and monoperoxyphthalic acid and its anion Bruce C. Gilbert (the late) Jonathan K. Stell Adrian C. Whitwood Carol Halliwell and William R. Sanderson pg 629; DOI: 10.1039/P29910000629 |
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Geometry optimisation at the semiempirical self-consistent-reaction-field level using the AMPAC and MOPAC programs Henry S. Rzepa Man Yin Yi Mati M. Karelson and Michael C. Zerner pg 635; DOI: 10.1039/P29910000635 |
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The basicity of alkali metal methoxides in methanol. The effects of ion association on methoxide additions to activated anisoles Paula C. M. F. Castilho Michael R. Crampton and Jack Yarwood pg 639; DOI: 10.1039/P29910000639 |
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Electrophilic aromatic substitution. Part 37. Products of aromatic nitrations of some chloronitrobenzenes and substituted benzoic acids in solutions of dinitrogen pentaoxide and of nitronium salts in nitric acid Roy B. Moodie Andrew J. Sanderson and Richard Willmer pg 645; DOI: 10.1039/P29910000645 |
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Kinetics of nucleophilic aromatic substitution in concentrated solutions of alkali metal methoxides in methanol Alessandro Bagno Gianfranco Scorrano and François Terrier pg 651; DOI: 10.1039/P29910000651 |
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Mechanistic studies on the reaction of nitro- and nitrosoarenes with vinyl Grignard reagents Marcella Bosco Renato Dalpozzo Giuseppe Bartoli Gianni Palmieri and Marino Petrini pg 657; DOI: 10.1039/P29910000657 |
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Kinetics, deuterium isotope effect and mechanism of the reaction of 1,1,1-trifluoro-2,2-bis(4-nitrophenyl)ethane with 1,1,3,3-tetramethylguanidine in aprotic solvents Arnold Jarczewski Grzegorz Schroeder Mieczyslaw Waligorski and Miroslaw Dworniczak pg 665; DOI: 10.1039/P29910000665 |
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Protonation–deprotonation equilibria in tetrapyrroles. Part 1. Protonation titrations of 132-(demethoxycarbonyl)pheophytin a in methanolic hydrochloric acid by electronic absorption spectroscopy Paavo H. Hynninen pg 669; DOI: 10.1039/P29910000669 |
Thermal isomerization of photochemically synthesized (Z)-9-styrylacridines. An unusually high enthalpy of Z E conversion for stilbene-like compoundsCarlo Bastianelli Vincenzo Caia Giampietro Cum Raffaele Gallo and Vittorio Mancini pg 679; DOI: 10.1039/P29910000679 |
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Nitrosation by alkyl nitrites. Part 7. Comparison with thionitrites: reactions with phenols Shirlene M. N. Y. F. Oh and Lyn H. Williams pg 685; DOI: 10.1039/P29910000685 |
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Does the Lossen rearrangement occur in the gas phase? Gregory W. Adams John H. Bowie and Roger N. Hayes pg 689; DOI: 10.1039/P29910000689 |
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Comparison of the NMR coupling paths in leucodrin and conocarpin by low-temperature X-ray structure analysis D. G. Billing J. C. A. Boeyens L. Carlton D. C. Levendis and G. W. Perold pg 695; DOI: 10.1039/P29910000695 |
Protonation of triaminobenzenes in aqueous solution: reactions involving aromatic compounds,  -complexes and cyanine ionsWerner Sachs Wilhelm Knoche and Christian Herrmann pg 701; DOI: 10.1039/P29910000701 |
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Radical cations of cyclohexanes alkyl-substituted on one carbon: an ESR study of the Jahn–Teller distorted HOMO of cyclohexane Maseru Shiotani Mikael Lindgren Nobuaki Ohta and Takahisa Ichikawa pg 711; DOI: 10.1039/P29910000711 |
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Stereoselectivity in the Ene reaction of syn- and anti-1-(4-tert-butylcyclohexylidene)-4-tert-butylcyclohexane with singlet oxygen, nitrosyl hydride, nitrosoformaldehyde, 4-phenyl-1,2,4-triazol-3,5-dione, diethyl azodicarboxylate and methyl propiolate Hai-Shan Dang and Alwyn G. Davies pg 721; DOI: 10.1039/P29910000721 |
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Identification of the condensation products of 1,2- and 1,3-amino alcohols with keto esters by NMR spectroscopy, mass spectrometry and X-ray crystallography studies. Open or ring forms? Pirjo Vainiotalo Pirjo-Liisa Savolainen Markku Ahlgrén Pentti J. Mälkönen and Jouko Vepsäläinen pg 735; DOI: 10.1039/P29910000735 |
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Reactions of carbonyl compounds in basic solutions. Part 17. The alkaline hydrolysis of substituted (E)-5,5-diphenylbifuranylidenediones and 3,7-diphenylpyrano[4,3-c]pyran-1,5-diones Keith Bowden Razieh Etemadi and Richard J. Ranson pg 743; DOI: 10.1039/P29910000743 |
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Effect of pressure on cyclodextrin-catalysed hydrolysis of nucleotide 2:3-cyclic monophosphates S. Kunugi T. Kawade H. Kabata A. Nomura and M. Komiyama pg 747; DOI: 10.1039/P29910000747 |
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Electroactive poly(amino acids). Part 4. Poly(-ethyl L-glutamate) modified by side chain reaction with ferrocenylmethylamine James Grimshaw and Jadwiga Trocha-Grimshaw pg 751; DOI: 10.1039/P29910000751 |
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-Ray- and UV-induced generation of methyl(phenyl)silylene and silene species from heptamethyl-2-phenyltrisilane Ren Nakao Kunio Oka Setsuko Irie Takaaki Dohmaru Yasuo Abe Toyokazu Horii and Teijiro Kitao pg 755; DOI: 10.1039/P29910000755 |
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Kinetics and mechanism of oxidation of organic sulphides by lead tetraacetate Kalyan K. Banerji pg 759; DOI: 10.1039/P29910000759 |
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Synthesis and crystal structure of propane-1,2,3-triamine trihydrochloride monohydrate. Reactions of propane-1,2,3-triamine with hydrogen ion. Thermodynamic functions and molecular mechanics calculations Renzo Cini Gianluca Giorgi Dante Masi Antonio Sabatini and Alberto Vacca pg 765; DOI: 10.1039/P29910000765 |
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Is the molecular structure of 1,4,7-trithiacyclononane([9]aneS3) as symmetrical in the gas phase as it is in the crystal? An electron diffraction study Richard Blom David W. H. Rankin Heather E. Robertson Martin Schröder and Anne Taylor pg 773; DOI: 10.1039/P29910000773 |
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Stereochemical control in meta photocycloaddition of alkenes to the benzene ring: the anomalous behaviour of cyclohexene Derek Bryce-Smith Michael G. B. Drew Gary A. Fenton Andrew Gilbert and Andrew D. Proctor pg 779; DOI: 10.1039/P29910000779 |
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Cross-interaction constants as a measure of the transition state structure. Part 11. Solvolyses of 1-phenyl-2-propyl benzenesulphonates Ikchoon Lee Won Heui Lee Hai Whang Lee and Byung Choon Lee pg 785; DOI: 10.1039/P29910000785 |
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1H and 13C nuclear magnetic resonance relaxation-time studies of ionophoric calixarene esters Akio Yamada Tatsuya Murase Kiyoshi Kikukawa Takashi Arimura and Seiji Shinkai pg 793; DOI: 10.1039/P29910000793 |
Issue 6
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Front cover pg X021; DOI: 10.1039/P299100FX021 |
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Contents pages pg P021; DOI: 10.1039/P299100FP021 |
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Back cover pg X023; DOI: 10.1039/P299100BX023 |
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A theoretical study of the protomeric equilibrium of 6-chloro-2-hydroxypyridine in the gas phase and in solution Oswald G. Parchment Ian H. Hillier and Darren V. S. Green pg 799; DOI: 10.1039/P29910000799 |
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The photochemistry of para-substituted phenylsulphamates—photo-Fries rearrangements John M. Lally and William J. Spillane pg 803; DOI: 10.1039/P29910000803 |
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The ferrocenylmethyl radical Richard A. Jackson Michael Scarmoutsos and Antonios K. Zarkadis pg 809; DOI: 10.1039/P29910000809 |
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Effect of metal-ion complexation on the rate of the alkaline ester hydrolysis and the carbon acid dissociation of crown malonates in ethanol–water mixtures Robert J. M. Hedderwick Frank Hibbert and (the late) Victor Gold pg 811; DOI: 10.1039/P29910000811 |
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Nucleophilic substitution of nitroaromatic halides by electrogenerated polysulphide ions in dimethylacetamide Meriem Benaïchouche Gérard Bosser Jacky Paris and Vincent Plichon pg 817; DOI: 10.1039/P29910000817 |
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Quantitative formulation of reactivity in terms of solvent and substrate properties. Solvolysis of tert-butyl halides in hydroxylic solvents Raquel M. C. Gonçalves Ana M. N. Simões and Lidia M. P. C. Albuquerque pg 825; DOI: 10.1039/P29910000825 |
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Photochromism of alkylisophthalaldehydes in the solid state: structure–reactivity correlations V. Amarendra Kumar and K. Venkatesan pg 829; DOI: 10.1039/P29910000829 |
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1H chemically induced dynamic nuclear polarization in the photodecomposition of uranyl carboxylates Stanislav V. Rykov Igor V. Khudyakov Eugeniy D. Skakovsky Hugh D. Burrows Sebastião J. Formosinho and Maria da Graça M. Miguel pg 835; DOI: 10.1039/P29910000835 |
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Kinetics of the reaction of hexachlorocyclotriphosphazene with 2,2,2-trifluoroethanol by phase-transfer catalysis Maw-Ling Wang and Ho-Sheng Wu pg 841; DOI: 10.1039/P29910000841 |
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Novel generation of parent, alkyl, dialkyl and alicyclic nitrenium ions in photolyses of pyridinium, quinolinium, bipyridinium and phenanthrolinium salts and aromatic N-substitution by nitrenium ions Hiroshi Takeuchi Satoshi Hayakawa Toshikatsu Tanahashi Atsushi Kobayashi Taki Adachi and Dai Higuchi pg 847; DOI: 10.1039/P29910000847 |
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Protonation of 1,8-bis(dimethylamino)naphthalene by various acids in acetonitrile Bogumi Brzeziski Eugeniusz Grech Zbigniew Malarski and Lucjan Sobczyk pg 857; DOI: 10.1039/P29910000857 |
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Synthesis and absorption/emission spectral properties of styrylstilbene and distyrylanthracene derivatives Shin'ichi Nakatsuji Kosei Matsuda Yukiko Uesugi Kenichiro Nakashima Shuzo Akiyama Gernot Katzer and Walter Fabian pg 861; DOI: 10.1039/P29910000861 |
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Nature of the transient species in the one-electron oxidation of diethyl dithiocarbamate as studied by pulse radiolysis Kamal Kishore and Pervaje N. Moorthy pg 869; DOI: 10.1039/P29910000869 |
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Light-intensity dependence in the photochromism of dibenzo[2.2](4,4)-azobenzenophane Nobuyuki Tamaoki and Tsuguo Yamaoka pg 873; DOI: 10.1039/P29910000873 |
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Reductive properties of low-valent titanium reagents. Mechanistic studies Marek Malinowski  ukasz Kaczmarek and Franciszek Rozpoch pg 879; DOI: 10.1039/P29910000879 |
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Helical superstructures and related spectral changes of bilayer membranes of a single-chain, phosphate amphiphile Toyoki Kunitake Jong-Mok Kim and Yuichi Ishikawa pg 885; DOI: 10.1039/P29910000885 |
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A theoretical study of flavylium salts Dragan Ami and Nenad Trinajsti pg 891; DOI: 10.1039/P29910000891 |
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Spin trapping of oxygen-centred radicals by substituted N-benzylidene-tert-butylamine N-oxides Yukino Abe Shin-ya Seno Kazuhisa Sakakibara and Minoru Hirota pg 897; DOI: 10.1039/P29910000897 |
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Structural studies of chiral receptors incorporating D-glucose Cristina Vicent Jesús Jiméhez-Barbero Manuel Martín-Lomas Soledad Penadés Félix H. Cano and Concepción Foces-Foces pg 905; DOI: 10.1039/P29910000905 |
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4-Acyl-1,2-dithiole-3-thiones and their S–oxides. Synthesis, crystal structures, and UV and circular dichroism spectra Agha Zul-Qarnain Khan Jan Sandström and Sue-Lein Wang pg 913; DOI: 10.1039/P29910000913 |
n– * Circular dichroism of planar zig-zag carbonyl compoundsAlison Rodger and Mark G. Moloney pg 919; DOI: 10.1039/P29910000919 |
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Chromone studies. Part 3. NMR analysis of rotational isomerism in 4-oxo-4H-chromene-2-carboxamides Deborah N. Davidson and Perry T. Kaye pg 927; DOI: 10.1039/P29910000927 |
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Solvent and temperature effects on the rate constants of solvolysis of tert-butyl bromide in mono- and di-alcohols Raquel M. C. Gonçalves Ama M. N. Simões Lídia M. P. C. Albuquerque and Sebastião J. Formosinho pg 931; DOI: 10.1039/P29910000931 |
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Corrigendum Bee Geok Tan Yu Lin Lam Hsing Hua Huang Lawrence Hock Leong Chia François Terrier Patricio MacCormack Elyane Kizilian Jean-Claude Hallé Pierre Demerseman Frédéric Guir and Claude Lion pg 937; DOI: 10.1039/P29910000937 |
Issue 7
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Front cover pg X025; DOI: 10.1039/P299100FX025 |
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Contents pages pg P025; DOI: 10.1039/P299100FP025 |
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Back cover pg X027; DOI: 10.1039/P299100BX027 |
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Back matter pg P029; DOI: 10.1039/P299100BP029 |
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Transition state structure in cycloaddition reactions as a function of ring size and geometry Henry S. Rzepa and William A. Wylie pg 939; DOI: 10.1039/P29910000939 |
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Intramolecular participation of the amide group in acid- and base-catalysed phosphonate monoester hydrolysis J. Rahil and R. F. Pratt pg 947; DOI: 10.1039/P29910000947 |
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Effect of reduction potential on the rate of reduction of nitroacridines by xanthine oxidase and by dihydro-flavin mononucleotide Charmian J. O'Connor Duncan J. McLennan Bridget M. Sutton William A. Denny and William R. Wilson pg 951; DOI: 10.1039/P29910000951 |
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Crystal and molecular structure of cis-[dichlorobis(methyl phenyl sulphoxide)]platinum(II) and cis-[dichlorobis(benzyl methyl sulphoxide)]platinum(II). An X-ray and NMR spectroscopic study Luciano Antolini Ugo Folli Dario Iarossi Luisa Schenetti and Ferdinando Taddei pg 955; DOI: 10.1039/P29910000955 |
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Synthesis and NMR and conformational studies of the four anomeric methyl glycosides of the trisaccharide D-Glcp-(12)-D-Glcp-(13)--D-Glcp Adenrele Adeyeye Per-Erik Jansson Lennart Kenne and Göran Widmalm pg 963; DOI: 10.1039/P29910000963 |
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OH radical induced decarboxylation of -glutamylmethionine and S-alkylglutathione derivatives: evidence for two different pathways involving C- and N-terminal decarboxylation Krzysztof Bobrowski Christian Schöneich Jerzy Holcman and Klaus-Dieter Asmus pg 975; DOI: 10.1039/P29910000975 |
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Studies in crystal engineering. Photochemical and crystallographic investigations of bromocoumarins and ()-7-(p-bromobenzylidene)piperitone P. Venugopalan T. Bharati Rao and K. Venkatesan pg 981; DOI: 10.1039/P29910000981 |
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Reactivity scale for sizeable molecules Hiroshi Fujimoto Kazuya Hatakeyama Shinichi Kawasaki and Yasuo Oishi pg 989; DOI: 10.1039/P29910000989 |
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Thermal and photochemical decomposition of 9-arylxanthen-9-yl hydroperoxides and peroxides André Goosen Cedric W. McCleland and Benjamin Taljaard pg 995; DOI: 10.1039/P29910000995 |
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Unexpected products from the reaction of tert-butoxyl radicals with acetylenes in the presence of an aminoxyl radical scavenger Steven Bottle W. Ken Busfield Ian D. Jenkins Brian W. Skelton Allan H. White Ezio Rizzardo and David H. Solomon pg 1001; DOI: 10.1039/P29910001001 |
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Sandmeyer reactions. Part 1. A comparative study of the transfer of halide and water ligands from complexes of CuII to aryl radicals Peter Hanson Jason R. Jones Bruce C. Gilbert and Allan W. Timms pg 1009; DOI: 10.1039/P29910001009 |
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Chemical and electrochemical reduction of ortho-nitroanilides. A combined chemical, polarographic and EPR study Angelo Alberti Patricia Carloni Lucedio Greci Pierluigi Stipa Romano Andruzzi Giancarlo Marrosu and Antonio Trazza pg 1019; DOI: 10.1039/P29910001019 |
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Iminophosphorane-substituted proton sponges. Part 1. X-ray molecular structures of 1,8-diaminonaphthalene and 1-amino-8-triphenylphosphoranylideneaminonaphthalene Antonio L. Llamas-Saiz Concepción Foces-Foces Pedro Molina Mateo Alajarin Angel Vidal Rosa M. Claramunt and José Elguero pg 1025; DOI: 10.1039/P29910001025 |
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The mechanism of alkylation reactions. Part 2. The effect of pressure and substituents on the reaction of phenacyl bromide with pyridine in methanol William Forster and Robert M. Laird pg 1033; DOI: 10.1039/P29910001033 |
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Photoreaction of a stable thioaldehyde 2,4,6-tri-tert-butylthiobenzaldehyde Mauro A. Cremonini Lodovico Lunazzi Giuseppe Placucci Naoko Kumon Akihiko Ishii Takaguki Kawashima and Renji Okazaki pg 1045; DOI: 10.1039/P29910001045 |
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Diels–Alder reaction of fumaronitrile and cyclopentadiene in water: the influence of cosolutes Ian Hunt and C. David Johnson pg 1051; DOI: 10.1039/P29910001051 |
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Solvent-dependent stereoselectivity in the non-stereospecific reactions of the diastereoisomers of a phosphonamidothioic chloride with tert-butylamine. A pointer to the lifetime of the thiometaphosphonimidate intermediate Martin J. P. Harger pg 1057; DOI: 10.1039/P29910001057 |
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Synthesis and solvent extraction studies of novel calixarene-based uranophiles bearing hydroxamic groups Takeshi Nagasaki and Seiji Shinkai pg 1063; DOI: 10.1039/P29910001063 |
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Kinetics of the enolisation reaction of 2- and 3-acetylthiophenes Paolo De Maria Antonella Fontana and Domenico Spinelli pg 1067; DOI: 10.1039/P29910001067 |
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Perfluoro- and polyfluoro-sulphonic acids. Part 22. Polyfluorophenyl pentafluorobenzenesulphonates and their electron transfer reaction with sodium iodide Qing-Yun Chen and Ming-Fang Chen pg 1071; DOI: 10.1039/P29910001071 |
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Combined X-ray crystallographic and infrared and Raman spectroscopic study of hydrogen bonding patterns in keto acid phosphoranes Andrew D. Abell John O. Trent and Kathryn B. Morris pg 1077; DOI: 10.1039/P29910001077 |
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Route of triacylamine formation in the thermal conversion of 2,3,7-trioxa-5-azabicyclo[2.2.1]hept-5-enes investigated by nuclear magnetic resonance experiments M. Rosaria Iesce M. Liliana Graziano Guido Cimminiello Flavio Cermola Michelangelo Parrilli and Rachele Scarpati pg 1085; DOI: 10.1039/P29910001085 |
Issue 8
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Front cover pg X029; DOI: 10.1039/P299100FX029 |
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Contents pages pg P031; DOI: 10.1039/P299100FP031 |
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Back cover pg X031; DOI: 10.1039/P299100BX031 |
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Back matter pg P037; DOI: 10.1039/P299100BP037 |
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Reactions of organic anions. Part 180. Orientation of the carbanion attack of chloromethyl p-tolyl sulphone on 1-cyanonaphthalene derivatives Mieczys aw M kosza and Stanisaw Ostrowski pg 1093; DOI: 10.1039/P29910001093 |
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Denitrosation of nitrosamines—a quantitative study. Reactions of N-methyl-N-nitrosoaniline, N-nitrosoproline, dimethylnitrosamine and N-nitrososarcosine Leslie R. Dix Shirlene M. N. Y. F. Oh and D. Lyn H. Williams pg 1099; DOI: 10.1039/P29910001099 |
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Mechanisms of peroxide decomposition. EPR studies of the one-electron oxidation of the peroxymonosulphate anion (HOOSO3–) and the reactions of SO5– John E. Bennett Bruce C. Gilbert and the late Jonathan K. Stell pg 1105; DOI: 10.1039/P29910001105 |
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Electron spin resonance spectroscopy of pyrrole radical cations David V. Avila and Alwyn G. Davies pg 1111; DOI: 10.1039/P29910001111 |
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Mechanism of thermal eliminations. Part 29. The effect of different silyl groups upon thermal elimination of ketene from ethyl silylacetates Sara E. Chapman and Roger Taylor pg 1119; DOI: 10.1039/P29910001119 |
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Carboxylic and phosphate ester hydrolysis catalysed by bivalent zinc and copper metallosurfactants John G. J. Weijnen Arie Koudijs and Johan F. J. Engbersen pg 1121; DOI: 10.1039/P29910001121 |
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Anionic rearrangement in the gas phase. The negative ion Wolff rearrangement Albert T. Lebedev Roger N. Hayes and John H. Bowie pg 1127; DOI: 10.1039/P29910001127 |
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Effect of fluoro substitution on the packing motifs of benzylidene- and dibenzylidene-cyclopentanones Siân E. Hopkin Maxwell Muir and Charis R. Theocharis pg 1131; DOI: 10.1039/P29910001131 |
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Cleavage of an Si–Me bond by intramolecular alkoxide-ion attack. Crystal structure of 6,6-bis(trimethylsilyl)norbornan-endo-2-ol Colin Eaborn and Peter B. Hitchcock pg 1137; DOI: 10.1039/P29910001137 |
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Formation of Schiff bases of 5-deoxypyridoxal and hexylamine in aqueous and non-aqueous media Miguel A. Vázquez Josefa Donoso Francisco Muñoz Francisco García Blanco M. Angeles García del Vado and Gerardo Echevarria pg 1143; DOI: 10.1039/P29910001143 |
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The Friedel–Crafts acetylation of naphthalene in 1,2-dichloroethane solution. Kinetics and mechanism David Dowdy Peter H. Gore and David N. Waters pg 1149; DOI: 10.1039/P29910001149 |
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Differentiation of substituent effects from hydrogen bonding and protonation effects in carbon-13 NMR spectra of pyridine N-oxides Miroslaw Szafran Bogumil Brycki Zofia Dega-Szafran and Barbara Nowak-Wydra pg 1161; DOI: 10.1039/P29910001161 |
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Role of structure, medium and pathway in electrophilic aromatic substitutions. Part 2. Incidence of -complexes and influence of medium on stability of incipient moieties in molecular chlorination of aromatic hydrocarbons Osman M. E. El-Dusouqui Karima A. M. Mahmud and Yousif Sulfab pg 1167; DOI: 10.1039/P29910001167 |
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Role of structure, medium and pathway in electrophilic aromatic substitutions. Part 3. Influence of isotope and solvent effects on electron release from phenolic O–H -bonds Osman M. E. El-Dusouqui and Mohamed N. Mousa pg 1171; DOI: 10.1039/P29910001171 |
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Limitations of the transition-state variation model. Part 3. Solvolyses of electron-rich benzenesulphonyl chlorides In Sun Koo T. William Bentley Gareth Llewellyn and Kiyull Yang pg 1175; DOI: 10.1039/P29910001175 |
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Chromone studies. Part 4. Structural analysis of chromone-derived 2-amino-3-(2-hydroxybenzoyl)acrylamides Deborah N. Davidson Robin B. English and Perry T. Kaye pg 1181; DOI: 10.1039/P29910001181 |
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Investigations of halonium ions in the gas phase Jane Hollis John M. Tedder and G. Stewart Walker pg 1187; DOI: 10.1039/P29910001187 |
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Electronic interactions in 2-(ethylsulphonyl) ketones studied by ultraviolet photoelectron spectroscopy Giuseppe Distefano Maurizio Dal Colle Valerio Bertolasi Paulo R. Olivato Élida Bonfada and Mirta G. Mondino pg 1195; DOI: 10.1039/P29910001195 |
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Sulphonate esters as sources of sulphonyl radicals; ring-closure reactions of alk-4- and -5-enesulphonyl radicals Peter N. Culshaw and John C. Walton pg 1201; DOI: 10.1039/P29910001201 |
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Interactions of 1,8-bis(dimethylamino)naphthalene with pentafluorobenzoic acid in [2H3]acetonitrile Bogumi Brycki Bogumi Brzezinski and Eugeniusz Grech pg 1209; DOI: 10.1039/P29910001209 |
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Alcohol-catalysed hydrolysis of benzylpenicillin Andrew M. Davis Philip Proctor and Michael I. Page pg 1213; DOI: 10.1039/P29910001213 |
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Thiazolidine ring opening in penicillin derivatives. Part 1. Imine formation Andrew M. Davis Mark Jones and Michael I. Page pg 1219; DOI: 10.1039/P29910001219 |
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Thiazolidine ring opening in penicillin derivatives. Part 2. Enamine formation Andrew M. Davis Nicola J. Layland Michael I. Page Frances Martin and Rory More O'Ferrall pg 1225; DOI: 10.1039/P29910001225 |
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Oxidation of primary alcohols to methyl esters using tert-butyl hypochlorite, pyridine and methyl alcohol Jovan N. Milovanovi Miorad Vasojevi and Svetislav Gojkovi pg 1231; DOI: 10.1039/P29910001231 |
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pH and solvent effects on the copigmentation reaction of malvin with polyphenols, purine and pyrimidine derivatives Raymond Brouillard Marie-Claude Wigand Olivier Dangles and Annie Cheminat pg 1235; DOI: 10.1039/P29910001235 |
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Extension of a perturbation molecular orbitals model to the study of regioselectivity in 1,3-dipolar cycloadditions: reactions of 3,5-dichloro-2,4,6-trimethylbenzonitrile oxide with heteroaromatic systems Laura Bonati Tiziana Benincori Gaetano Zecchi and Demetrio Pitea pg 1243; DOI: 10.1039/P29910001243 |
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Decay of electrogenerated dianions of acidic indenes: an indirect self-protonation mechanism Giuseppe Farnia Jirí Ludvík Giancarlo Sandonà and Maria Gabriella Severin pg 1249; DOI: 10.1039/P29910001249 |
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Basis set and electron correlation effects on the internal rotational barrier heights of formamide and acetamide Seiji Tsuzuki and Kazutoshi Tanabe pg 1255; DOI: 10.1039/P29910001255 |
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Preparation of Ca2+ selective sorbents by molecular imprinting using polymerisable ionophores Thomas Rosatzin Lars I. Andersson Wilhelm Simon and Klaus Mosbach pg 1261; DOI: 10.1039/P29910001261 |
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Protonation of 1,8-bis(dimethylamino)naphthalene by N–H proton donors in acetonitrile Bogumi Brzeziski Eugeniusz Grech Zbigniew Malarski and Lucjan Sobczyk pg 1267; DOI: 10.1039/P29910001267 |
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Addition of iodine etectrophiles to buta-1,3-diene: effects of charge distribution and ion-pair stability on product ratios Victor L. Heasley Lester S. Holstein III Rodney J. Moreland James W. Rosbrugh Jr. and Dale F. Shellhamer pg 1271; DOI: 10.1039/P29910001271 |
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Strong aggregation properties of novel naphthalocyanines Seiji Tai and Nobuyuki Hayashi pg 1275; DOI: 10.1039/P29910001275 |
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Structure and bonding in 3,3-dialkyl-2-phosphinoyloxaziridines by X-ray diffraction and nuclear magnetic resonance spectroscopy Simon D. Cook Thomas A. Hamor W. Brian Jennings Andrew A. Tebbutt Stephen P. Watson and Derek R. Boyd pg 1281; DOI: 10.1039/P29910001281 |
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Polyphenol interactions. Part 5. Anthocyanin co-pigmentation Tarankumar V. Mistry Ya Cai Terence H. Lilley and Edwin Haslam pg 1287; DOI: 10.1039/P29910001287 |
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Prodrugs of phosphonoformate: products, kinetics and mechanisms of hydrolysis of dibenzyl (methoxycarbonyl)phosphonate Antony G. Mitchell Dave Nicholls Ian Walker William J. Irwin and Sally Freeman pg 1297; DOI: 10.1039/P29910001297 |
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Electron-acceptor effect of aminoxyl radicals Vitalii Yu. Nagy Oleg M. Petrukhin Yurii A. Zolotov and Leonid B. Volodarskii pg 1305; DOI: 10.1039/P29910001305 |
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Amphiphilic properties of a polymerized glycolipid surfactant Bernard Boyer Sylvie Durand Gérard Lamaty Jean Marie Moussamou-Missima André A. Pavia Bernard Pucci Jean Pierre Roque and Jacques Rouvière pg 1311; DOI: 10.1039/P29910001311 |
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Acylating Friedel–Crafts complexes: multinuclear NMR data and chemical reactivity Franca Bigi Giuseppe Casnati Giovanni Sartori and Giovanni Predieri pg 1319; DOI: 10.1039/P29910001319 |
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Corrigendum John M. Lally and William J. Spillane pg 1323; DOI: 10.1039/P29910001323 |
Issue 9
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Front cover pg X033; DOI: 10.1039/P299100FX033 |
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Back cover pg X035; DOI: 10.1039/P299100BX035 |
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Contents pages pg P039; DOI: 10.1039/P299100FP039 |
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Back matter pg P043; DOI: 10.1039/P299100BP043 |
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Kinetic studies of calixarene-based cyclic and non-cyclic super-uranophiles Takeshi Nagasaki Kazuhiko Kawano Koji Araki and Seiji Shinkai pg 1325; DOI: 10.1039/P29910001325 |
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A kinetic and theoretical study of ring-opening of bicyclo[1.1.1 ]pentylmethyl and bicyclo[2.1.1]hexylmethyl radicals Ernest W. Della Carl H. Schiesser Dennis K. Taylor and John C. Walton pg 1329; DOI: 10.1039/P29910001329 |
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Complexation with diol host compounds. Part 7. Structures and thermal analysis of 1,1,2,2-tetraphenylethane-1,2-diol with lutidine guests Susan A. Bourne Luigi R. Nassimbeni and Fumio Toda pg 1335; DOI: 10.1039/P29910001335 |
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Aromatic rearrangements in the benzene series. Part 6. The Fries rearrangement of phenyl benzoate: the role of tetrabromoaluminate ion as an aluminium bromide transfer agent Julia L. Gibson and Lionel S. Hart pg 1343; DOI: 10.1039/P29910001343 |
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Kinetics of the alkaline hydrolysis of several alkyl phenylcarbazates Adil Safraoui Michelle Calmon and Jean-Pierre Calmon pg 1349; DOI: 10.1039/P29910001349 |
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Significance of bound residual water in the DMSO solution structure of stable peptide hydrates Vassilios Tsikaris Maria Sakarellos-Daitsiotis Nikolaos Theophanidis Constantinos Sakarellos Manh Thong Cung and Michel Marraud pg 1353; DOI: 10.1039/P29910001353 |
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Spectroscopic and kinetic studies of the aldehyde–lactol tautomerization of gossypol in solution Bronislaw Marciniak Grzegorz Schroeder Halina Kozubek and Bogumil Brzezinski pg 1359; DOI: 10.1039/P29910001359 |
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Substituent and solvent effects on the thermal isomerisation of 7H-pyrazolo[5,1-c]-1,2,4-triazole azomethine dyes Peter Douglas and Dave Clarke pg 1363; DOI: 10.1039/P29910001363 |
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Oxidation chemistry of adenine and hydroxyadenines at pyrolytic graphite electrodes Rajendra N. Goyal Anoop Kumar and Alok Mittal pg 1369; DOI: 10.1039/P29910001369 |
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Anodic oxidation of some substituted benzoylacetanilides in non-aqueous media Gouda M. Abou-Elenien Bahgat E. El-Anadouli and Ragaii M. Baraka pg 1377; DOI: 10.1039/P29910001377 |
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Geometrical and electronic features of the benzene ring in benzocycloalkenes and related compounds Rois Benassi S. Ianelli Mario Nardelli and Ferdinando Taddei pg 1381; DOI: 10.1039/P29910001381 |
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Studies on structure–reactivity in the reaction of OH radicals with substituted halobenzenes in aqueous solutions Hari Mohan Mohan Mudaliar C. T. Aravindakumar B. S. Madhav Rao and Jai P. Mittal pg 1387; DOI: 10.1039/P29910001387 |
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Multi-electron reduction of nitrobenzene derivatives by an acid-stable NADH analogue via acid-catalysed electron transfer radical-chain reactions Shunichi Fukuzumi and Makoto Chiba pg 1393; DOI: 10.1039/P29910001393 |
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Isovanillyl sweeteners. Synthesis, conformational analysis, and structure–activity relationship of some sweet oxygen heterocycles Anna Arnoldi Angela Bassoli Lucio Merlini and Enzio Ragg pg 1399; DOI: 10.1039/P29910001399 |
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Comparison of the reactivities of the compounds (Me3Si)2C(SiMe2OMe)(SiMe2Cl) and (MeOMe2Si)3C(SiMe2Cl). Crystal structure of (MeOMe2Si)3CSiPh2H Franklin I. Aigbirhio Salih S. Al-Juaid Colin Eaborn Peter B. Hitchcock and Paul D. Lickiss pg 1407; DOI: 10.1039/P29910001407 |
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Photochemically induced electron transfer from aniline derivatives to pyridine-2,4-dicarbonitrile: synthetic and mechanistic aspects Rosanna Bernardi Tullio Caronna Sergio Morrocchi and Bruno M. Vittimberga pg 1411; DOI: 10.1039/P29910001411 |
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Hydrogen bonding. Part 18. Gas–liquid chromatographic measurements for the design and selection of some hydrogen bond acidic phases suitable for use as coatings on piezoelectric sorption detectors Michael H. Abraham Ian Hamerton John B. Rose and Jay W. Grate pg 1417; DOI: 10.1039/P29910001417 |
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Pseudorotation and ring inversion in 1-substituted cyclooctenes J. Edgar Anderson Daniele Casarini and Lodovico Lunazzi pg 1425; DOI: 10.1039/P29910001425 |
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Ethyl-group rotational barriers in hindered trialkylamines. A dynamic NMR and molecular mechanics investigation J. E. Anderson D. Casarini and L. Lunazzi pg 1431; DOI: 10.1039/P29910001431 |
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Theoretical study of the oxidation mechanism of aromatic amines Daniel Larumbe Miquel Moreno Iluminada Gallardo Juan Bertrán and Claude P. Andrieux pg 1437; DOI: 10.1039/P29910001437 |
N,N,N ,N -(2-Aminoethyl)-1,4,8,11-tetraazacyclotetradecane (TAEC) as a polyammonium receptor for anionsAndrea Bencini Antonio Bianchi Maria I. Burguete Antonio Domenech Enrique García-España Santiago V. Luis Miguel A. Niño and José A. Ramírez pg 1445; DOI: 10.1039/P29910001445 |
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NMR delineation of inner and outer protons from paramagnetic relaxation perturbations in 1 D and 2D spectra of peptides Neri Niccolai Alessandra Bonci Mauro Rustici M. Scarselli Paolo Neri Gennaro Esposito Paolo Mascagni Andrea Motta and Henríette Molinari pg 1453; DOI: 10.1039/P29910001453 |
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Formation of glyoxyloxyl chloride, HC(O)C(O)Cl, in the gas-phase oxidation of trichloroethene by NO2 Joanna Czarnowski pg 1459; DOI: 10.1039/P29910001459 |
Issue 10
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Front cover pg X037; DOI: 10.1039/P299100FX037 |
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Back cover pg X039; DOI: 10.1039/P299100BX039 |
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Contents pages pg P045; DOI: 10.1039/P299100FP045 |
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Ab-initio based 13C NMR shift calculations as a probe for carbocation structure. Homoaromaticity and rearrangements of the C9H9+ ion Peder Svensson Felix Reichel Per Ahlberg and Dieter Cremer pg 1463; DOI: 10.1039/P29910001463 |
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Conformational analysis. Part 17. An NMR and theoretical investigation of the conformation of bicyclo[5.2.1]decane-2,6-dione Raymond J. Abraham Alan E. Rowan Jan M. Bakke and Jon E. Bræden pg 1471; DOI: 10.1039/P29910001471 |
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The protonation of some 5-substituted 3-nitro- and 3-substituted 5-nitro-2-pyrrolidin-1-ylthiophenes Renato Noto Michaelangelo Gruttadauria Domenico Dattolo Caterina Arnone Giovanni Consiglio and Domenico Spinelli pg 1477; DOI: 10.1039/P29910001477 |
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Ketone–hemiacetal tautomerism in erythromycin A in non-aqueous solutions. An NMR spectroscopic study Jeremy R. Everett Eric Hunt and John W. Tyler pg 1481; DOI: 10.1039/P29910001481 |
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The structure of erythromycin A in [2H6]DMSO and buffered D2O: full assignments of the 1H and 13C NMR spectra Jill Barber Jeffrey I. Gyi Luyun Lian Gareth A. Morris David A. Pye and James K. Sutherland pg 1489; DOI: 10.1039/P29910001489 |
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Triazinylaniline derivatives as fluorescence probes. Part 1. Absorption and fluorescence in organic solvents and in aqueous media in relation to twisted intramolecular charge-transfer state formation, hydrogen bonding, and protic equilibria David J. Cowley Eddie O'Kane and Richard S. J. Todd pg 1495; DOI: 10.1039/P29910001495 |
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Mechanistic studies in the chemistry of thiourea. Part 2. Reaction with benzil in acid solution Christopher J. Broan and Anthony R. Butler pg 1501; DOI: 10.1039/P29910001501 |
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Sterically congested molecules. Part 2. Structure of N-(2,2,5,5-tetramethylcyclopentylidene)-4-amino-3,5-dimethylphenol: accommodation of front strain along the CN double bond Rudolf Knorr and Kurt Polborn pg 1505; DOI: 10.1039/P29910001505 |
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Chromone studies. Part 5. Kinetics and mechanism of the reaction of 4-oxo-4H-chromene-2-carboxamides with dimethylamine Deborah N. Davidson and Perry T. Kaye pg 1509; DOI: 10.1039/P29910001509 |
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FTIR spectral study of double cyclic intermolecular hydrogen bonding in glutaric acids Mamoru Takasuka Takashi Saito and Masumi Yamakawa pg 1513; DOI: 10.1039/P29910001513 |
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Intercalation and photochromism of spiropyrans on clay interlayers Katsuhiko Takagi Toshio Kurematsu and Yasuhiko Sawaki pg 1517; DOI: 10.1039/P29910001517 |
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Mercury(II) acetate-assisted oxidative hydrolysis of thiosemicarbazones of benzaldehyde, acetophenone and benzophenone by potassium bromate Kalyani Ramakrishnan and Vangalur S. Srinivasan pg 1523; DOI: 10.1039/P29910001523 |
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Synthesis and multinuclear NMR relaxation study of 2-phenyldiazene-1-carbonitrile 2-oxide and its [15N]-labelled isotopomers Mauro Botta and Roberta Fruttero pg 1527; DOI: 10.1039/P29910001527 |
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Attempted synthesis of esters of tricarballylic acid and 3,5-dibromosalicylic acid. Structure and properties of tricarballylic acid, its anhydrides and some of their derivatives, and an investigation of the reaction pathways of anhydride formation by 1H NMR spectroscopy, MNDO and molecular mechanics methods Anna Ra  yska Janusz Rak Clara Fronticelli and Enrico Bucci pg 1531; DOI: 10.1039/P29910001531 |
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Reactions of cyclohexane derivatives in superacids Christopher Dean and David Whittaker pg 1541; DOI: 10.1039/P29910001541 |
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A mechanistic study of the rearrangement of 1-benzoyloxybenzotriazoles to 3-benzoylbenzotriazole 1-oxides Alan R. Katritzky N. Malhotra Wei-Qiang Fan and Ernst Anders pg 1545; DOI: 10.1039/P29910001545 |
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Kinetics of the hydrolysis and perhydrolysis of tetraacetylethylenediamine, a peroxide bleach activator D. Martin Davies and Michael E. Deary pg 1549; DOI: 10.1039/P29910001549 |
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Factors influencing proton relaxation in the dideuteriomethyl group Joseph B. Lambert Barbara T. Ziemnicka-Merchant Mark A. Hayden and Allen T. Hjelmfelt pg 1553; DOI: 10.1039/P29910001553 |
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13C NMR relaxation study and 2D correlation spectroscopic investigation of some quinazoline- and pyrido(4,3-d)pyrimidine-2(1H)-ones and -thiones András Neszmélyi and Tamás Lóránd pg 1559; DOI: 10.1039/P29910001559 |
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Diazepines, Part 28. Crystal and molecular structures of some dihydrodiazepinium salts and correlation with their reactivity and spectra George Ferguson Douglas Lloyd Hamish McNab Donald R. Marshall Barbara L. Ruhl and Taduesz Wieckowski pg 1563; DOI: 10.1039/P29910001563 |
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Conformational analysis of oligomeric flavanoids. Part 1. 4-Arylflavan-3-ols Jan P. Steynberg E. Vincent Brandt and Daneel Ferreira pg 1569; DOI: 10.1039/P29910001569 |
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Equilibria and nitration of sulphonic acids in concentrated sulphuric acid Nunziata C. Marziano Alberto Tomasin and Claudio Tortato pg 1575; DOI: 10.1039/P29910001575 |
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Molecular structure of vecuronium bromide, a neuromuscular blocking agent. Crystal structure, molecular mechanics and NMR investigations Huub Kooijman Vincent J. van Geerestein Paul van der Sluis Jan A. Kanters Jan Kroon Carel W. Funke and Jan Kelder pg 1581; DOI: 10.1039/P29910001581 |
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Factors influencing the regiochemistry of spiro-oxetane formation from the photocycloaddition of ethenes to 1,4-benzoquinone Derek Bryce-Smith Elizabeth H. Evans Andrew Gilbert and Hilary S. McNeill pg 1587; DOI: 10.1039/P29910001587 |
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Decomposition of N-nitrosopeptides in strong acids Brian C. Challis Jamie R. Milligan and Robert C. Mitchell pg 1595; DOI: 10.1039/P29910001595 |
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Levelling of substituent effects on acidities in the gas phase compared with those in solution Alessandro Bagno and Gianfranco Scorrano pg 1601; DOI: 10.1039/P29910001601 |
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10,10-Dimethyl-9,9-biacridine acting as a unique electron source compared with the corresponding monomer for the efficient reduction of dioxygen, catalysed by a cobalt porphyrin in the presence of perchloric acid Shunichi Fukuzumi and Tomohiro Yorisue pg 1607; DOI: 10.1039/P29910001607 |
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Complexation of NADH analogues with -cyclodextrin: inhibitory effects of -cyclodextrin against hydration and copper(II) and hexacyanoferrate(3–) oxidation of 1,4-dihydronicotinamides Joon Woo Park Seon Yeoung Cha and Kwanghee Koh Park pg 1613; DOI: 10.1039/P29910001613 |
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Crystal structure and spectroscopic analyses of guanylurea hydrochloride. Evidence of the influence of hydrogen bonding on the -electron delocalization Marco Scoponi Eleonora Polo Valerio Bertolasi Vittorio Carassiti and Guido Bertelli pg 1619; DOI: 10.1039/P29910001619 |
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Structure–activity studies on amides inhibiting photosystem II Richard J. Lewis Patrick Camilleri Anthony J. Kirby Craig A. Marby Alexandra A. Slawin and David J. Williams pg 1625; DOI: 10.1039/P29910001625 |
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Meisenheimer-type adducts from thiophene derivatives. Part 7. Interdependence of 13C NMR, thermodynamic and kinetic data Carlo Dell'Erba Fernando Sancassan Marino Novi Domenico Spinelli and Giovanni Consiglio pg 1631; DOI: 10.1039/P29910001631 |
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Photo-induced electron-transfer reaction of naphthalocyanine Seiji Tai Shigeru Hayashida and Nobuyuki Hayashi pg 1637; DOI: 10.1039/P29910001637 |
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1,8-Bis(dimethylaminomethyl)naphthaiene: a new proton sponge Bogumi Brzezinski Tadeusz Gowiak Eugeniusz Grech Zbigniew Malarski and Lucjan Sobczyk pg 1643; DOI: 10.1039/P29910001643 |
Issue 11
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Front cover pg X041; DOI: 10.1039/P299100FX041 |
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Back cover pg X043; DOI: 10.1039/P299100BX043 |
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Contents pages pg P051; DOI: 10.1039/P299100FP051 |
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Photoisomerisation of (E)- to (Z)-N,N-dimethylhydrazones and thermal reversion Leo F. Clarke Fiona O'Sullivan and Anthony F. Hegarty pg 1649; DOI: 10.1039/P29910001649 |
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Dependence of transition-state structure on nucleophile in the reaction of aryl oxide anions with aryl diphenylphosphate esters Salem A. Ba-Saif Mark A. Waring and Andrew Williams pg 1653; DOI: 10.1039/P29910001653 |
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The influence of lone-pair repulsions on C–C bond lengths: a critical evaluation of the experimental and theoretical evidence Ananthaiah Rathna and Jayaraman Chandrasekhar pg 1661; DOI: 10.1039/P29910001661 |
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Iminophosphorane-substituted proton sponges. Part 2. Preparation and crystal structure of four phosphoranylideneammonionaphthalene derivatives Antonio L. Llamas-Saiz Concepción Foces-Foces José Elguero Pedro Molina Mateo Alajarín and Angel Vidal pg 1667; DOI: 10.1039/P29910001667 |
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Amidines. Part 31. pKa values of N1,N1-dialkyl-N2-phenylformamidines in water–ethanol solutions Janusz Oszczapowicz and Jolanta Jaroszewska-Manaj pg 1677; DOI: 10.1039/P29910001677 |
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Redox reactions of thiol free radicals with the antioxidants ascorbate and chlorpromazine: role in radioprotection Maurizio Tamba and Peter O'Neill pg 1681; DOI: 10.1039/P29910001681 |
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Reactions of CO2– radicals with pterin and pterin-6-carboxylate ions Mohsen Farahani Parminder S. Surdhar Scott Allen David A. Armstrong Christian Schöneich Yun Mao and Klaus-Dieter Asmus pg 1687; DOI: 10.1039/P29910001687 |
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Reduction of alkyl alkyl, aryl alkyl and cyclic ketones by catalytic hydrogen transfer over magnesium oxide Jacek Kije ski Marek Gliski and Jacek Czarnecki pg 1695; DOI: 10.1039/P29910001695 |
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Kinetic and mechanistic studies of the reactions between 2-nitrothiazole, 2-nitrobenzothiazole and some nucleophiles Luciano Forlani pg 1699; DOI: 10.1039/P29910001699 |
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Mechanism of thermal eliminations. Part 30. Pyrolysis of 2-trimethylsilylethanol and 1-aryl derivatives Roger Taylor pg 1703; DOI: 10.1039/P29910001703 |
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Complexation with hydroxy host compounds. Part. 4. Structures and thermal stabilities of inclusion compounds with dioxane as the guest Susan A. Bourne Louise Johnson Charles Marais Luigi R. Nassimbeni Edwin Weber Konstantinos Skobridis and Fumio Toda pg 1707; DOI: 10.1039/P29910001707 |
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Intrinsic reactivities of some carbanions in -adduct forming reactions Michael R. Crampton and J. Andrew Stevens pg 1715; DOI: 10.1039/P29910001715 |
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NMR of terminal oxygen. Part 7. 17O NMR spectra of benzoyl derivatives of Ge, Se, Te and I: -bond order and excitation energy in benzoyl compounds Hans Dahn and Péter Péchy pg 1721; DOI: 10.1039/P29910001721 |
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Molecular design of crown ethers. Part 9. Complexation thermodynamics of 1,4,7,10,13-pentaoxacyclohexadecane (16-crown-5) and its lariat derivative in methanol–water: solvent effect upon lariat complexation Yu Liu Lin-Hui Tong Yoshihisa Inoue and Tadao Hakushi pg 1725; DOI: 10.1039/P29910001725 |
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AM1 study of a -carboline set. Part III: substituent effects María Muñoz Manuel Balón José Hidalgo Carmen Carmona Rafael R. Pappalardo and Enrique Sánchez Marcos pg 1729; DOI: 10.1039/P29910001729 |
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Lithium isotope discrimination by the anion radical of an anthraquinone-15-crown-5 lariat ether Servando Muñoz and Luis Echegoyen pg 1735; DOI: 10.1039/P29910001735 |
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Substituent effects on transition-state structures for dissociative and associative SN2 reactions Ikchoon Lee Han Joong Koh Bon-Su Lee Dong Sook Sohn and Byung Choon Lee pg 1741; DOI: 10.1039/P29910001741 |
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Chemistry of amidines. Part 1. Determination of the site of initial protonation in N-pyridylformamidines Ian D. Cunningham James S. Blanden Juan Llor Luis Muñoz and Andrew P. Sharratt pg 1747; DOI: 10.1039/P29910001747 |
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Chemistry of amidines. Part 2. Substituent and solvent effects on rotational barriers in N-pyridylformamidines Ian D. Cunningham Juan Llor and Luis Muñoz pg 1751; DOI: 10.1039/P29910001751 |
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Identifying functional groups in IR spectra using an artificial neural network Ralph J. Fessenden and László Györgyi pg 1755; DOI: 10.1039/P29910001755 |
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Electrochemical reduction of substituted isothiazole-3-thiones in aprotic media Thierry Martens and Maurice-Bernard Fleury pg 1763; DOI: 10.1039/P29910001763 |
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Contributions of electrostatic and hydrophobic interactions to the host–guest complexation of pyrocatecholate anions with cationic cyclodextrins Anatoly K. Yatsimirsky and Alexey V. Eliseev pg 1769; DOI: 10.1039/P29910001769 |
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The nitrous acid catalysed nitration of naphthalene and its derivatives. Part 2. The kinetics of the reactions in methanesulphonic acid and trifluoroacetic acid Peter J. Gross and John H. Ridd pg 1773; DOI: 10.1039/P29910001773 |
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Electron transfer reactions. A reinvestigation of the chlorination of 1-methyl-2-phenylindole with N-chlorobenzotriazole. The role of oxygen and oxygenated solvent Patricia Carloni Lennart Eberson Lucedio Greci Pierluigi Stipa and Giorgio Tosi pg 1779; DOI: 10.1039/P29910001779 |
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Retinylidene Schiff bases in phosphatidylcholine reverse micelles: formation, protonation and stability Mrunalini M. Kapil and Anil K. Singh pg 1785; DOI: 10.1039/P29910001785 |
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Unexpected rearrangements induced by the metal cation in the reduction of cycloocta[b]naphthalene with alkali metals in ethers. An EPR and ENDOR study M. Celina R. L. R. Lazana M. Luisa T. M. B. Franco and Bernardo J. Herold pg 1791; DOI: 10.1039/P29910001791 |
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Structure–lipophilicity relationships of zwitterionic amino acids Ruey-Shiuan Tsai Bernard Testa Nabil El Tayar and Pierre-Alain Carrupt pg 1797; DOI: 10.1039/P29910001797 |
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Photolysis of tris(4-tert-butoxycarbonyloxyphenyl) sulphonium salts. A mechanistic study Reinhold Schwalm Ruth Bug Guang-Song Dai Peter M. Fritz Michael Reinhardt Siegfried Schneider and Wolfram Schnabel pg 1803; DOI: 10.1039/P29910001803 |
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The complex anionic rearrangements of deprotonated -oximino carbonyl derivatives in the gas phase Gregory W. Adams John H. Bowie and Roger N. Hayes pg 1809; DOI: 10.1039/P29910001809 |
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A quantum mechanical/molecular mechanical model of inhibition of the enzyme phospholipase A2 Bohdan Waszkowycz Ian H. Hillier Nigel Gensmantel and David W. Payling pg 1819; DOI: 10.1039/P29910001819 |
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Enantioselective photoreduction of tris(acetylacetonato)cobalt(III) by 1,4-dihydropyridine derivatives in the presence of molecular aggregates Katsutoshi Ohkubo Kohichi Yamashita Hitoshi Ishida Hidefumi Haramaki and Yasutake Sakamoto pg 1833; DOI: 10.1039/P29910001833 |
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Kinetic study of the H2O2 oxidation of phenols, naphthols and anilines catalysed by the haem octapeptide microperoxidase-8 Ian D. Cunningham John L. Bachelor and John M. Pratt pg 1839; DOI: 10.1039/P29910001839 |
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Crystal structures of H2[Me2dibenzo[14]tetraene]N4 and H2[Me2dixylyl[14]tetraene]N4: new tetraaza macrocycles Peter J. Lukes Joe A. Crayston David J. Ando Mary E. Harman and Michael B. Hursthouse pg 1845; DOI: 10.1039/P29910001845 |
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Effect of detergent attached to enzyme molecules on the activity of organic-solvent-soluble lipases Wakako Tsuzuki Takashi Sasaki and Tateo Suzuki pg 1851; DOI: 10.1039/P29910001851 |
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Synthesis and radical-addition stereochemistry of two trimethyl-1-pyrroline 1-oxides as studied by EPR spectroscopy Yong-Kang Zhang Dao-Hui Lu and Guang-Zhi Xu pg 1855; DOI: 10.1039/P29910001855 |
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Reaction between various benzaldehydes and phenylhydroxylamine: special behaviour compared with other amines Inês M. Costa Brighente Rosane Budal and Rosendo A. Yunes pg 1861; DOI: 10.1039/P29910001861 |
Issue 12
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Front cover pg X045; DOI: 10.1039/P299100FX045 |
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Back cover pg X047; DOI: 10.1039/P299100BX047 |
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Contents pages pg P055; DOI: 10.1039/P299100FP055 |
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Back matter pg P059; DOI: 10.1039/P299100BP059 |
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Ionization energies of triazines and tetrazines. Application of Green's function method coupled with semiempirical molecular orbital calculations David Danovich and Yitzhak Apeloig pg 1865; DOI: 10.1039/P29910001865 |
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Alkynylhalocarbenes: generation from 1,1-dihaloalk-2-ynes by base solvolysis and reaction with alkenes Konstantin N. Shavrin Irina V. Krylova Inna B. Shvedova Galina P. Okonnishnikova Igor E. Dolgy and Oleg M. Nefedov pg 1875; DOI: 10.1039/P29910001875 |
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pKa determination of water-soluble calix[4]arenes Seiji Shinkai Koji Araki Peter D. J. Grootenhuis and David N. Reinhoudt pg 1883; DOI: 10.1039/P29910001883 |
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Isomerization and fragmentation of aliphatic thioether radical cations in the gas phase: ion–neutral complexes in the reactions of metastable ethyl propyl thioether ions Herman W. Zappey Steen Ingemann and Nico M. M. Nibbering pg 1887; DOI: 10.1039/P29910001887 |
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Cycloalkylmethyl radicals. Part 8. A conformational study of dioxa- and dithia-cyclohexylmethyl radicals by EPR spectroscopy Finlay MacCorquodale John C. Walton Lise Hughes and Keith U. Ingold pg 1893; DOI: 10.1039/P29910001893 |
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An open transition state in carbonyl acyl group transfer in aqueous solution Salem A. Ba-Saif Matthew Colthurst Mark A. Waring and Andrew Williams pg 1901; DOI: 10.1039/P29910001901 |
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Kinetic and equilibrium solvent isotope effects on the ionisation of a hydrogen-bonded proton and studies of the intramolecular hydrogen bond in phenylazoresorcinols Frank Hibbert and Siân C. Phillips pg 1909; DOI: 10.1039/P29910001909 |
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Control of peptide conformational preferences by intramolecular ion-pairing: a NMR and molecular mechanics analysis of glycyl-containing dipeptides in aqueous solutions Craig Beeson and Thomas A. Dix pg 1913; DOI: 10.1039/P29910001913 |
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Kinetics and mechanism of the aminolysis of phenyl dithioacetate in aqueous solution Enrique A. Castro Fernando Ibáñez José G. Santos and Carmen Ureta pg 1919; DOI: 10.1039/P29910001919 |
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Kinetics and mechanism of the addition of triphenylphosphoniocyclopentadienide to tetrachloro-p-benzoquinone Francisco Pérez Plá Juan Palou Rosa Valero C. Dennis Hall and Peter Speers pg 1925; DOI: 10.1039/P29910001925 |
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Hydrolysis and alkylating reactivity of aromatic nitrogen mustards Charmian J. O'Connor William A. Denny Jun-Yao Fan G. Lance Gravatt Bruce A. Grigor and Duncan J. McLennan pg 1933; DOI: 10.1039/P29910001933 |
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Reactions of indolic radicals produced upon one-electron oxidation of 5,6-dihydroxyindole and its N(1)-methylated analogue Akeel T. Al-Kazwini Peter O'Neill Gerald E. Adams Robert B. Cundall Gerard Lang and Alex Junino pg 1941; DOI: 10.1039/P29910001941 |
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Trico-ordinate phosphorus compounds as catalysts for the isomerization of (Z)-to (E)-azobenzene C. Dennis Hall and Paul D. Beer pg 1947; DOI: 10.1039/P29910001947 |
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Rate and product analytical study of the solvolysis of 3-chlorobenzyl arenesulfonates in aqueous 2,2,2-trifluoroethanol Isobel M. Gordon and H. Maskill pg 1951; DOI: 10.1039/P29910001951 |
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EPR study of radical intermediates from the oxidation of 6-ethoxy-2,2,4-trimethyl- and 6-ethoxy-2,2,4,8-tetramethyl-1,2-dihydroquinoline Frank D. Gunstone Raphael C. Mordi Snorri Thorisson John C. Walton and Richard A. Jackson pg 1955; DOI: 10.1039/P29910001955 |
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Redox behaviour and stable anion radicals of cyclic polycalicenes Jun Yamauchi Toyonari Sugimoto Yoshihisa Arai Masashi Sakaguchi and Zen-ichi Yoshida pg 1959; DOI: 10.1039/P29910001959 |
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Improved synthesis and crystal structure of tetrakis(benzoylthio)tetrathiafulvalene. A useful precursor to functionalised bis(ethylenedithio)tetrathiafulvalene derivatives Thomas K. Hansen Ian Hawkins K. Sukumar Varma Stephen Edge Sine Larsen Jan Becher and Allan E. Underhill pg 1963; DOI: 10.1039/P29910001963 |
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Arylation of heterocyclic ketene aminals with 2,4-dinitrohalobenzenes by a radical nucleophilic substitution mechanism Wen-Yi Zhao and Zhi-Tang Huang pg 1967; DOI: 10.1039/P29910001967 |
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Optical resolution of amino acid and hydroxycarboxylic acid esters by complexation with optically active host compounds: a crystallographic result Fumio Toda Atsushi Sato Luigi R. Nassimbeni and Margaret L. Niven pg 1971; DOI: 10.1039/P29910001971 |
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Mechanism of the photoreaction between 1,4-dicyanonaphthalene and benzylic donors Nicola d'Alessandro Elisa Fasani Mariella Mella and Angelo Albini pg 1977; DOI: 10.1039/P29910001977 |
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Nucleophilic substitution reactions of allyl arenesulphonates with anilines and N,N-dimethylanilines Hyuck Keun Oh Han Joong Koh and Ikchoon Lee pg 1981; DOI: 10.1039/P29910001981 |
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Gas-phase reactions of F– with phenyl acetates. Translational energy and substituent effects on product distribution Jose M. Riveros Steen Ingemann and Nico M. M. Nibbering pg 1985; DOI: 10.1039/P29910001985 |
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Interception of an iminium ion equivalent by intramolecular nucleophilic attack by a silyl ether during lithium aluminium hydride reduction of a tertiary lactam Nigel G. Ramsden George W. J. Fleet and Sung Keon Namgoong pg 1991; DOI: 10.1039/P29910001991 |
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Nitric acid equilibrium in concentrated trifluoromethanesulfonic acid studied by Raman spectroscopy Nunziata C. Marziano Alberto Tomasin and Marco Sampoli pg 1995; DOI: 10.1039/P29910001995 |
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3-Hydroxypyrroles and 1H-pyrrol-3(2H)-ones. Part 11. 1H and 13C NMR spectra of 1-substituted and 1,2-disubstituted 3-hydroxy- and 3-alkoxy-pyrroles Hamish McNab and Lilian C. Monahan pg 1999; DOI: 10.1039/P29910001999 |
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Variable-temperature NMR and X-ray crystallographic studies of 5-dimethylaminomethylene-, 5-dimethylaminopropenylidene-, and 5-(5-dimethylaminopenta-2,4-dienylidene)-derivatives of Meldrum's acid and related dimethyl malonate derivatives Alexander J. Blake Hamish McNab and Lilian C. Monahan pg 2003; DOI: 10.1039/P29910002003 |
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Ene reactions of allylic tin compounds with singlet oxygen and with 4-phenyl-1,2,4-triazoline-3,5-dione Hai-Shan Dang and Alwyn G. Davies pg 2011; DOI: 10.1039/P29910002011 |
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An EPR study of 1-adamantylmethyl radicals Alwyn G. Davies and Anthony G. Neville pg 2021; DOI: 10.1039/P29910002021 |
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Combined quantum mechanical–molecular mechanical study of catalysis by the enzyme phospholipase A2: an investigation of the potential energy surface for amide hydrolysis Bohdan Waszkowycz Ian H. Hillier Nigel Gensmantel and David W. Payling pg 2025; DOI: 10.1039/P29910002025 |
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Iminophosphorane-substituted proton sponges. Part 3. Preparation and crystal structure of three salts of protonated 1-dimethylamino-8-triphenylphosphoranylideneammonionaphthalene Antonio L. Llamas-Saiz Concepción Foces-Foces José Elguero Pedro Molina Mateo Alajarín and Angel Vidal pg 2033; DOI: 10.1039/P29910002033 |
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Photocycloaddition of cyanonaphthalenes with acetylacetone: enhancement of quantum yields by sulphuric acid Yuan L. Chow Gonzalo E. Buono-Core Yu-Hang Zhang and Xiao-Yun Liu pg 2041; DOI: 10.1039/P29910002041 |
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1H and 13C NMR studies on the conformation of N-methyl diastereomers of (+)-glaucine hydrotrifluoroacetate, an aporphine alkaloid salt Robert Glaser and Michael A. Bernstein pg 2047; DOI: 10.1039/P29910002047 |
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Metal-catalysed ionization of a cyclic 1,3-diketone. The effects of nickel(II) and copper(II) on the lonization of 2-acetylcyclohexanone Michael J. Hynes Carlos A. Blanco and Marie T. Mooney pg 2055; DOI: 10.1039/P29910002055 |
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Photochemical reaction of 2,4,4,6-tetraaryl-4H-pyrans and -4H-thiopyrans with colour change by a 1,5-electrocyclic reaction. X-Ray molecular structure of 4-methyl-2,3,6-triphenyl-2H-thiopyran Yukie Mori and Koko Maeda pg 2061; DOI: 10.1039/P29910002061 |
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Evidence for the formation of nitrenium ions in the acid-catalysed solvolysis of mutagenic N-acetoxy-N-alkoxybenzamides John J. Campbell Stephen A. Glover Gerard P. Hammond and Colleen A. Rowbottom pg 2067; DOI: 10.1039/P29910002067 |
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Solid state conformations of six 1,3,2-oxazaphospholidines derived from (–)-ephedrine: X-ray crystal structures of the 2-phenoxy-2-oxo, 2-phenyl-2-oxo and 2-phenyl-2-thio analogues Carl H. Schwalbe Geetanjlee Chopra Sally Freeman John M. Brown and Joseph V. Carey pg 2081; DOI: 10.1039/P29910002081 |
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Solvent-induced mechanistic changes in nitrosation reactions. Part 2. Effect of acetonitrile–water mixtures in the nitrosation of ureas Carlos Bravo Pablo Hervés J. Ramón Leis and M. Elena Peña pg 2091; DOI: 10.1039/P29910002091 |
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Photochemical reaction between acenaphthene and arenecarbonitriles Enrico Boggeri Elisa Fasani Mariella Mella and Angelo Albini pg 2097; DOI: 10.1039/P29910002097 |
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Kinetics and mechanism of reserpine oxidation by nitrous acid. A reinterpretation of recent results M. A. Muñoz D. González-Arjona M. Balón and D. Lyn H. Williams pg 2103; DOI: 10.1039/P29910002103 |