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Front matter pg P001; DOI: 10.1039/P197300FP001 |
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Syntheses of flufenamic acid metabolites I and II and other N-aryl-anthranilic acids R. E. Bowman K. D. Brunt K. E. Godfrey (Miss) L. Kruszynska A. A. Reynolds R. I. Thrift D. Waite and W. R. N. Williamson pg 1; DOI: 10.1039/P19730000001 |
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Errata pg X001; DOI: 10.1039/P1973000X001 |
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Rules for conformation nomenclature for five- and six-membered rings in monosaccharides and their derivatives J. C. P. Schwarz pg X002; DOI: 10.1039/P1973000X002 |
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Front matter pg P003; DOI: 10.1039/P197300FP003 |
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Front matter pg P005; DOI: 10.1039/P197300FP005 |
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N-fluoro-compounds. Part V. Photochemical reactions of perfluoro-N-fluoromorpholine, and a re-investigation of its thermal decomposition; preparation and properties of perfluoromorpholin-N-oxyl R. E. Banks A. J. Parker M. J. Sharp and G. F. Smith pg 5; DOI: 10.1039/P19730000005 |
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Notices to authors pg X006; DOI: 10.1039/P1973000X006 |
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New corynanth alkaloids from Strychnos angustiflora T. Y. Au H. T. Cheung and S. Sternhell pg 13; DOI: 10.1039/P19730000013 |
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Reaction between mono-olefins and ferrocenylcarbene complexes of chromium; formation of 3-amino- and 5-amino-pent-1-enes J. A. Connor and J. P. Lloyd pg 17; DOI: 10.1039/P19730000017 |
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Studies related to dihydro-1,4-thiazines. Part II. Reduction of methyl (6S)-7-hydroxy-5,5,9,9-tetramethyl-8-oxa-4-thia-1-azabicyclo[4,3,0]non-2-ene-3-carboxylate and its 4-oxide J. Kitchin and R. J. Stoodley pg 22; DOI: 10.1039/P19730000022 |
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Annulation of pyridine as a route to quinolines, isoquinolines, and cycloheptapyridines Gurnos Jones and R. K. Jones pg 26; DOI: 10.1039/P19730000026 |
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Studies related to penicillins. Part IX. Degradation of penicillanic acid derivatives by mercury(II) acetate R. J. Stoodley and N. R. Whitehouse pg 32; DOI: 10.1039/P19730000032 |
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Reactions of lead(IV). Part XXVII. Oxidative rearrangement of styrene and related compounds to aldehydes or ketones in the presence of trifluoroacetic acid A. Lethbridge R. O. C. Norman and C. B. Thomas pg 35; DOI: 10.1039/P19730000035 |
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Reaction of chlorosulphonyl isocyanate with unsaturated sugars R. H. Hall A. Jordaan and G. J. Lourens pg 38; DOI: 10.1039/P19730000038 |
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1,7-Dimethylchrysene. Photocyclisation of 1,6-diarylhexa-1,3,5-trienes W. Carruthers N. Evans and R. Pooranamoorthy pg 44; DOI: 10.1039/P19730000044 |
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3-Amino- and 3-cyano-1,2,4-oxadiazole G. I. Gregory P. W. Seale W. K. Warburton and M. J. Wilson pg 47; DOI: 10.1039/P19730000047 |
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Bridge fission in the bicyclo[4,2,1]nonan-9-one series W. Carruthers and M. I. Qureshi pg 51; DOI: 10.1039/P19730000051 |
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Syntheses of some polyfluoro-aromatic derivatives of carbohydrates and polyols A. H. Haines and K. C. Symes pg 53; DOI: 10.1039/P19730000053 |
Studies of fluorinated  -diketones and related compounds. Part II. Synthetic and infrared spectral studies of 1,3-diketonatochromium derivatives, and their substitution reactionsKrishna C. Joshi and Vijai N. Pathak pg 57; DOI: 10.1039/P19730000057 |
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Elimination–addition. Part XXI. Addition–dealkylation reactions of acetylenic sulphonium salts with oxygen, sulphur, and nitrogen nucleophiles J. W. Batty P. D. Howes and C. J. M. Stirling pg 59; DOI: 10.1039/P19730000059 |
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Elimination–addition. Part XXII. Addition of enolates to allenic sulphonium salts; a new general furan synthesis J. W. Batty P. D. Howes and C. J. M. Stirling pg 65; DOI: 10.1039/P19730000065 |
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Bromination of 3-amino- and 3-dimethylamino-pyridine G. J. Fox J. D. Hepworth and G. Hallas pg 68; DOI: 10.1039/P19730000068 |
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Reactions of the enol sulphite of 3-acetoxy-5-hydroxycholestan-6-one P. E. Georghiou and G. Just pg 70; DOI: 10.1039/P19730000070 |
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Chemistry of sulphines. Part XVI. Aliphatic sulphines from non-enethiolisable thioketones and their cycloaddition reactions with diazoalkanes B. Zwanenburg A. Wagenaar L. Thijs and J. Strating pg 73; DOI: 10.1039/P19730000073 |
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Studies on terpenes. Part II. Elaboration of 9-methyl-6-p-tolyl-7-oxatricyclo[4,3,0,03,9]nonane into (+)-(1R,3S)-3-isopropenyl-1-p-tolylcyclopentane-1-carboxylic acid, a model for sesquiterpene synthesis N. Bosworth and P. D. Magnus pg 76; DOI: 10.1039/P19730000076 |
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Studies in mycological chemistry. Part XXX and last. Isolation and structure of purpuride, a metabolite of Penicillium purpurogenum stoll T. J. King John C. Roberts and D. J. Thompson pg 78; DOI: 10.1039/P19730000078 |
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Nitroxide chemistry. Part IV. Reaction of bistrifluoromethyl nitroxide with aldehydes R. E. Banks D. R. Choudhury and R. N. Haszeldine pg 80; DOI: 10.1039/P19730000080 |
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Free-radical reactions of halogenated bridged polycyclic compounds. Part XV. The reaction of methyl-lithium with some chlorine-substituted norbornenes and norbornadienes Richard Alexander and D. I. Davies pg 83; DOI: 10.1039/P19730000083 |
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Reaction of phosphoryl chloride in pyridine with halogenohydrins A. Guzmán P. Ortiz de Montellano and Pierre Crabbé pg 91; DOI: 10.1039/P19730000091 |
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Quinoline alkaloids. Part XIII. A convenient synthesis of furoquinoline alkaloids of the dictamnine type J. F. Collins G. A. Gray M. F. Grundon D. M. Harrison and (Mrs.) C. G. Spyropoulos pg 94; DOI: 10.1039/P19730000094 |
Polypeptides. Part XXIII. The synthesis of peptides of  -benzylphenylalanine by unconventional methods, with a note on magnetic non-equivalence in derivatives of -benzylphenylalanineH. L. Maia B. Ridge and H. N. Rydon pg 98; DOI: 10.1039/P19730000098 |
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Unsymmetrically disubstituted ferrocenes. Part XIII. Neighbouring group participation in the conversion of 2-substituted ferrocenylaceto-nitriles into ferrocenylacetamides J. H. Peet and B. W. Rockett pg 106; DOI: 10.1039/P19730000106 |
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Studies in the stereochemistry of 2-alkyl-3-hydroxy- and 2-alkyl-3-methoxy-butyric acids K. Maskens and N. Polgar pg 109; DOI: 10.1039/P19730000109 |
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Stereoselective -labelling of aromatic amino-acids with deuterium and tritium G. W. Kirby and J. Michael pg 115; DOI: 10.1039/P19730000115 |
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Spirans. Part VIII. 1,2-Naphthoquinone 1-methide and its spiro-dimer in chroman syntheses M. S. Chauhan F. M. Dean D. Matkin and M. L. Robinson pg 120; DOI: 10.1039/P19730000120 |
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Condensed thiophen ring systems. Part X. Synthesis and reactions of 2-aryl-1H-[1]benzothieno[2,3-b]pyrroles and 2-aryl-1H-[1]benzothieno[3,2-b]pyrroles K. E. Chippendale B. Iddon and H. Suschitzky pg 125; DOI: 10.1039/P19730000125 |
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Condensed thiophen ring systems. Part XI. Synthesis of 2-aryl[1]-benzothieno[3,2-c]pyrazoles and 2-aryl[1]benzothieno[2,3-c]pyrazoles K. E. Chippendale B. Iddon and H. Suschitzky pg 129; DOI: 10.1039/P19730000129 |
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A new stereoselective synthesis of trans-chrysanthemic acid [2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylic acid] R. W. Mills R. D. H. Murray and R. A. Raphael pg 133; DOI: 10.1039/P19730000133 |
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Simple methods of preparing substituted deuteriobenzenes and -deuteriotoluenes of high isotopic purity W. A. Asomaning C. Eaborn and D. R. M. Walton pg 137; DOI: 10.1039/P19730000137 |
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Synthesis of tricarbonylcyclobuta[I]phenanthreneiron Takuji Miyamoto Souichi Tanaka and Yoshinobu Odaira pg 138; DOI: 10.1039/P19730000138 |
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Natural acetylenes. Part XXXVI. Polyacetylenes from the lobeliaceae plant family. A C14 enediyne triol from Lobelia cardinalis L. R. K. Bentley Sir Ewart R. H. Jones R. A. M. Ross and V. Thaller pg 140; DOI: 10.1039/P19730000140 |
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Natural acetylenes. Part XXXVII. Polyacetylenes from the campanulaceae plant family. Tetrahydropyranyl and open chain C14 polyacetylenic alcohols from Campanula pyramidalis L. and Campanula medium L. Sh. O. Badanyan R. K. Bentley J. K. Jenkins Sir Ewart R. H. Jones and V. Thaller pg 145; DOI: 10.1039/P19730000145 |
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Natural acetylenes. Part XXXVIII. Biosyntheses of acetylenedicarboxamide (cellocidin) in Streptomyces SF-536 cultures Sir Ewart R. H. Jones J. W. Keeping M. G. Pellatt and V. Thaller pg 148; DOI: 10.1039/P19730000148 |
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Natural acetylenes. Part XXXIX. Synthesis of methyl [1,9-14C]-, [9-14C]-, and [10-3H]-crepenynate, methyl [9-14C]- and [10-3H]-linoieate, and methyl [9-14C]- and [10-3H]-oleate G. C. Barley Sir Ewart R. H. Jones V. Thaller and R. A. Vere Hodge pg 151; DOI: 10.1039/P19730000151 |
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Stereochemical course of the reduction of 5-cholest-8(14)-en-7-one by metal–ammonia; a ready synthesis of 14-steroids Ian Midgley and Carl Djerassi pg 155; DOI: 10.1039/P19730000155 |
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Absolute configuration of aromatic oxygenated isoprenoid derivatives: formation of 3-hydroxy-4,4-dimethyl-4-butyrolactone by ozonolysis and a study of its stereochemistry J. F. Collins and M. F. Grundon pg 161; DOI: 10.1039/P19730000161 |
Cyclic sulphones. Part XV. Benzo-and dibenzo-thiopyran SS-dioxides,  active methylene compounds in substitution and condensation reactions(Mrs.) Silvia Bradamante and Giorgio Pagani pg 163; DOI: 10.1039/P19730000163 |
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Azole N-oxides. Part III. Thermal rearrangements of 1-methoxypyrazole 2-oxides F. T. Boyle and Richard A. Y. Jones pg 167; DOI: 10.1039/P19730000167 |
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Azole N-oxides. Part IV. Deoxygenation and side-chain substitution reactions of some 1-methoxypyrazole 2-oxides F. T. Boyle and Richard A. Y. Jones pg 170; DOI: 10.1039/P19730000170 |
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The chemistry of fungi. Part LXVII. Synthesis of di-O-methylcitromycinone and related pyrano[3,2-c][1]benzopyran-4,5-diones S. A. Ali J. W. Powell and W. B. Whalley pg 173; DOI: 10.1039/P19730000173 |
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The chemistry of fungi. Part LXVIII. Absolute configuration of 2-iso-propyl-2-methyl-succinic and -glutaric acids: some resultant stereo-chemical corrections M. R. Cox H. P. Koch and W. B. Whalley pg 174; DOI: 10.1039/P19730000174 |
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The pigments of dragon's blood resin. Part VII. Synthesis of ()-draconol, ()-O-methyldraconol, ()-O-methylisodraconol, and derivatives; the structure of dracorubin A. A. Olaniyi J. W. Powell and W. B. Whalley pg 179; DOI: 10.1039/P19730000179 |
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The chemistry of the insoluble red woods. Part XI. Revised structures of santalin and santarubin D. W. Mathieson B. J. Millard J. W. Powell and W. B. Whalley pg 184; DOI: 10.1039/P19730000184 |
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Preparation of -diazo--disulphones; a novel sulphinate elimination in their coupling reactions G. Heyes and G. Holt pg 189; DOI: 10.1039/P19730000189 |
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Fungal products. Part. IV. The structure of heveadride, a new nonadride from Helminthosporium heveae R. I. Crane P. Hedden J. MacMillan and W. B. Turner pg 194; DOI: 10.1039/P19730000194 |
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Convenient preparations of deuterium-substituted furan-, thiophen-, and N-methylpyrrole-2-carboxylic acids, and of tetradeuteriofuran D. J. Chadwick J. Chambers G. D. Meakins and R. L. Snowden pg 201; DOI: 10.1039/P19730000201 |
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Aromatic substitution of olefins. Part XVIII. Reactions of cycloalkenes with benzene M. Yamamura I. Moritani A. Sonoda S. Teranishi and Y. Fujiwara pg 203; DOI: 10.1039/P19730000203 |
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Conformational behaviour of medium-sized rings. Part I. 5,6,11,12-Tetrahydrodibenzo[a,e]cyclo-octene (1,2,5,6-dibenzocyclo-octa-1,5-diene) and heterocyclic analogues R. Crossley A. P. Downing M. Nógrádi A. Braga de Oliveira W. D. Ollis and I. O. Sutherland pg 205; DOI: 10.1039/P19730000205 |
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Hydroxylation of phenylalanine by Pseudomonas sp.: measurement of an isotope effect following the NIH shift W. R. Bowman W. R. Gretton and G. W. Kirby pg 218; DOI: 10.1039/P19730000218 |
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Reactive intermediates. Part XXI. Thermal decarboxylation of 2,6-diazatricyclo[5,2,1,0]deca-4,8-diene-3,10-diones to pyrazolo[1,5-a]-pyridines C. W. Rees and M. Yelland pg 221; DOI: 10.1039/P19730000221 |
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Bis-(6,6-dimethylnorpinane-2,2-diyl) diperoxide K. H. Overton and P. Owen pg 226; DOI: 10.1039/P19730000226 |
Synthesis of 2 ,2-difluoro-6,7-dihydro-16-methylenecyclopropa[6,7]progesterone analoguesHumberto Carpio Pierre Crabbé and John H. Fried pg 227; DOI: 10.1039/P19730000227 |
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N-phthaloylation of chloro- and hydroxy-2-amino-acids S. Clarke R. C. Hider and D. I. John pg 230; DOI: 10.1039/P19730000230 |
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Quinone epoxides. Part VII. Stereospecific elaboration of 2-acetyl-1,4-naphthoquinone epoxides G. Read and V. M. Ruiz pg 235; DOI: 10.1039/P19730000235 |
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Synthesis of imidazo[4,5-b]pyrazine nucleosides Raymond P. Panzica and Leroy B. Townsend pg 244; DOI: 10.1039/P19730000244 |
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Reactions of mono-olefins in the presence of alkali metals. The effect of lithium and Group 2A metals J. R. Jones M. R. Chambers and E. D. Lowther pg 248; DOI: 10.1039/P19730000248 |
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Circular dichroism of some vitamin B12 derivatives R. Bonnett J. M. Godfrey V. B. Math P. M. Scopes and R. N. Thomas pg 252; DOI: 10.1039/P19730000252 |
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Anodic oxidation. Part XI. Carbon anodes in electrosyntheses based on carboxylate ions M. P. J. Brennan and R. Brettle pg 257; DOI: 10.1039/P19730000257 |
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Organometallic oxides, alkoxides, and peroxides. Part IV. Reaction of phenylmercury(II) alkoxides, oxide, and hydroxide with organic isocyanates A. J. Bloodworth and J. Serlin pg 261; DOI: 10.1039/P19730000261 |
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Reactions between 2,5-di-t-butyl-1,4-benzoquinone and certain primary aliphatic amines I. Baxter and W. R. Phillips pg 268; DOI: 10.1039/P19730000268 |
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Metal ions and complexes in organic reactions. Part XV. Copper-catalysed substitutions of aryl halides by phthalimide ion R. G. R. Bacon and Amna Karim pg 272; DOI: 10.1039/P19730000272 |
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Metal ions and complexes in organic reactions. Part XVI. Extension of copper-catalysed Gabriel reactions to vinylic halides and to analogues of phthalimide salts R. G. R. Bacon and Amna Karim pg 278; DOI: 10.1039/P19730000278 |
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Pseudohalogen chemistry. Part I. Heterolytic addition of thiocyanogen chloride to some symmetrical alkenes and cycloalkenes R. G. Guy and I. Pearson pg 281; DOI: 10.1039/P19730000281 |
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Synthetic studies in the diterpene series. Part VIII. Synthesis of miltirone, a diterpenoid quinone D. Nasipuri and Alok K. Mitra pg 285; DOI: 10.1039/P19730000285 |
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Chemical modification of trehalose. Part XII. Synthesis of azido- and amino-trehaloses via epoxide derivatives L. Hough P. A. Munroe A. C. Richardson Y. Ali and S. T. K. Bukhari pg 287; DOI: 10.1039/P19730000287 |
Synthetic analogues of polynucleotides. Part IX. Synthesis of 3-O-carboxymethyl-2-deoxyribonucleosides and their use in the synthesis of an analogue of 2-deoxyadenylyl-(3 5-)-thymidine 3-phosphateM. D. Edge A. Hodgson A. S. Jones M. MacCoss and R. T. Walker pg 290; DOI: 10.1039/P19730000290 |
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Cation radicals: reaction of methoxylated benzil and bibenzyl derivatives with tris-(p-bromophenyl)ammoniumyl hexachloroantimonate L. J. Kricka and A. Ledwith pg 294; DOI: 10.1039/P19730000294 |
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Lythraceous alkaloids. Part VII. The absolute configurations of lythrancines-I–IV and lythrancepines-I–III E. Fujita and Y. Saeki pg 297; DOI: 10.1039/P19730000297 |
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Lythraceous alkaloids. Part VIII. The mass spectra of lythrancine and lythrancepine alkaloids E. Fujita and Y. Saeki pg 301; DOI: 10.1039/P19730000301 |
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Lythraceous alkaloids. Part IX. The structure and absolute configuration of lythrancine-V, -VI, and -VII E. Fujita and Y. Saeki pg 306; DOI: 10.1039/P19730000306 |
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The irradiation of 2-methylbenzophenone in the presence of dienophiles Elliott Block and Robert Stevenson pg 308; DOI: 10.1039/P19730000308 |
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Purine nucleosides. Part XXXII. Synthesis and reactivity of 6-alkyl-seleno-9-(-D-ribofuranosyl)purines George H. Milne and Leroy B. Townsend pg 313; DOI: 10.1039/P19730000313 |
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Studies on morphine alkaloids. Part X. Some reactions of 14-bromocodeine derivatives with various substituents at C-6 K. Abe M. Onda and S. Okuda pg 316; DOI: 10.1039/P19730000316 |
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Pyrazolopyridines. Part II. Preparation of 3-substituted 2-aryl-2H-pyrazolo[4,3-b]pyridines. Acid-catalysed cyclisation of 2-arylaminomethyl-3-nitropyridines H. E. Foster and J. Hurst pg 319; DOI: 10.1039/P19730000319 |
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Reactions of lead(IV). Part XXVIII. Oxidative coupling of methylsubstituted benzenoid compounds: formation of biaryls and diarylmethanes in trifluoroacetic acid Richard O. C. Norman C. Barry Thomas and John S. Willson pg 325; DOI: 10.1039/P19730000325 |
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Oxidation of ribonucleic acids with m-chloroperbenzoic acid Michael R. Harnden Allan G. Brown and R. Anthony Vere Hodge pg 333; DOI: 10.1039/P19730000333 |
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Studies on the meso, racemic, and optically active forms of 3,6-bis-[1-hydroxy-1-(4-methylphenyl)ethyl]-1,2,4,5-tetrazines and related systems along with the corresponding 3,5-disubstituted 1,2,4-triazoles, their 4-amino-derivatives and 2,5-disubstituted 1,3,4-oxadiazoles including their circular dichroism spectra D. G. Neilson Safia Mahmood and K. M. Watson pg 335; DOI: 10.1039/P19730000335 |
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Formylation and bromination ortho to the hydroxy-group of 2-carbonylsubstituted phenols in the presence of titanium(VI)chloride T. M. Cresp M. V. Sargent J. A. Elix and D. P. H. Murphy pg 340; DOI: 10.1039/P19730000340 |
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Synthesis and stereochemistry of some 3-substituted 2-methylbut-2-enoic acid derivatives R. Brettle P. C. Hydes D. Seddon J. R. Sutton and R. Tooth pg 345; DOI: 10.1039/P19730000345 |
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Synthesis of ()-neolitsine (Miss) G. Y. Moltrasio R. M. Sotelo and D. Giacopello pg 349; DOI: 10.1039/P19730000349 |
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Furazans and furazan oxides. Part II. Preparation and tautomerism of some acyl furoxans; examples of steric hindrance to conformational mobility in alicyclic six-membered rings J. Ackrell and A. J. Boulton pg 351; DOI: 10.1039/P19730000351 |
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1,2-Benzisothiazoles. Part IV. Preparation of the 3-methyl derivative from o-mercaptoacetophenone oxime: a re-examination K. Clarke C. G. Hughes and R. M. Scrowston pg 356; DOI: 10.1039/P19730000356 |
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Spirans. Part IX. Dimers and trimers of o-quinone methides M. S. Chauhan F. M. Dean S. McDonald and M. S. Robinson pg 359; DOI: 10.1039/P19730000359 |
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Iodination of thebaine and synthesis of 9-substituted indolinocodeinone derivatives R. M. Allen and G. W. Kirby pg 363; DOI: 10.1039/P19730000363 |
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Quinone epoxides. Part VIII. C-acetyl fission and CO-acetyl migration in reactions of acetylquinone epoxides and related compounds G. Read and V. M. Ruiz pg 368; DOI: 10.1039/P19730000368 |
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A convenient stereoselective synthesis of syn-bishomoquinone (tri-cyclo[5,1,0,0]octane-2,6-dione) G. L. Buchanan R. A. Raphael and R. Taylor pg 373; DOI: 10.1039/P19730000373 |
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Studies of heteroaromaticity. Part LXV. Reactions of valence tautomers of three medium-sized ring unsaturated compounds with iodine azide Tadashi Sasaki Ken Kanematsu and Yusuke Yukimoto pg 375; DOI: 10.1039/P19730000375 |
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Organophosphorus chemistry. Part XIII. The reaction of phosphorus trichloride with primary aromatic amines A. R. Davies A. T. Dronsfield R. N. Haszeldine and D. R. Taylor pg 379; DOI: 10.1039/P19730000379 |
Synthesis of locked half-chair and boat  -lactones from the sesquiterpenoid drimenolG. A. Lindsay and K. H. Overton pg 385; DOI: 10.1039/P19730000385 |
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N-alkylation of thymine and uracil with trialkyl phosphates Kiyoshi Yamauchi and Masayoshi Kinoshita pg 391; DOI: 10.1039/P19730000391 |
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Robinson annulation of 2-hydroxymethylene-ketones. A new route to spiro-diketones V. Dave and J. S. Whitehurst pg 393; DOI: 10.1039/P19730000393 |
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Synthesis of compounds containing the isoprene unit: condensation of 3-methylbut-3-enoic and 3-methylbut-2-enoic acids with carbonyl compounds G. Cainelli G. Cardillo M. Contento G. Trapani and A. Umani Ronchi pg 400; DOI: 10.1039/P19730000400 |
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Pyrazine chemistry. Part V. Diels-Alder reactions of some 2,5-dihydroxypyrazines P. J. Machin A. E. A. Porter and P. G. Sammes pg 404; DOI: 10.1039/P19730000404 |
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Synthesis and conformation of substituted isothiochromans and derivatives. X-Ray analysis of cis-1,4-dimethylisothiochroman 2,2-dioxide, an S-heterocycle with preferred boat conformation D. A. Pulman and D. A. Whiting pg 410; DOI: 10.1039/P19730000410 |
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Dimethylallylation products of phloroacetophenone; a convenient one-stage synthesis of deoxyhumulones E. Collins and P. V. R. Shannon pg 419; DOI: 10.1039/P19730000419 |
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Electrochemical reactions. Part XII. Reduction of the 1,3-dibromides, endo-2,endo-6-and exo-2,10-dibromobornane pg 425; DOI: 10.1039/P19730000425 |
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Partially fluorinated heterocyclic compounds. Part XI. The reactions of lithium pentafluorobenzenethiolate with acetylenic compounds giving benzo[b]thiophen derivatives and/or olefins G. M. Brooke and Md. Abul Quasem pg 429; DOI: 10.1039/P19730000429 |
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Addition of thiols to some 5-substituted norborn-2-enes D. I. Davies D. J. A. Pearce and E. C. Dart pg 433; DOI: 10.1039/P19730000433 |
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1,3,4,5-Tetrahydrobenz[cd]indoles and related compounds. Part III R. E. Bowman D. D. Evans J. Guyett H. Nagy J. Weale and D. J. Weyell pg 438; DOI: 10.1039/P19730000438 |
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Rearrangements of diphenylamine derivatives. Part IV. Rearrangements of N-aroyldiphenylamines catalysed by aluminium chloride J. M. Birchall M. T. Clark and D. H. Thorpe pg 442; DOI: 10.1039/P19730000442 |
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Allene cycloadditions. Part IV. Reactions of tetramethylallene with unsymmetrically substituted olefins David R. Taylor and D. Bruce Wright pg 445; DOI: 10.1039/P19730000445 |
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Aspects of mass spectra of organic compounds. Part XI. Rearrangements in benzoylhydrazines T. W. Bentley R. A. W. Johnstone and A. F. Neville pg 449; DOI: 10.1039/P19730000449 |
Cyclic amidines. Part XXIV. Cyclisation of N-allyl-N -arylacetamidines to imidazolines, dihydroquinazolines, and dihydrobenzodiazepinesMaurice W. Partridge and Alan Smith pg 453; DOI: 10.1039/P19730000453 |
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Nitroxide radicals. Part XII. Decomposition of ortho-, meta-, and para-halogenophenyl t-butyl nitroxides Alan Calder Alexander R. Forrester and Stuart P. Hepburn pg 456; DOI: 10.1039/P19730000456 |
Action of 2-phenyl- 2-oxazolin-5-one on 2-alkyl-2-thiazolinesDavid C. Cook and Alexander Lawson pg 465; DOI: 10.1039/P19730000465 |
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Photolysis of 5-aryloxy-1-phenyl-1H-tetrazoles, and photo-Fries rearrangement of 2-aryloxybenzimidazole Peter D. Hobbs and Philip D. Magnus pg 469; DOI: 10.1039/P19730000469 |
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Studies on the syntheses of heterocyclic compounds. Part DII. Synthesis of 1-substituted 1,2,3,4-tetrahydrophthalazines by a pictet–spengler-type reaction of 3-hydroxybenzylhydrazine with carbonyl compounds Tetsuji Kametani Kazuo Kigasawa Mineharu Hiiragi Haruhide Ishimaru Tuneo Uryu and Seiji Haga pg 471; DOI: 10.1039/P19730000471 |
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Asymmetric synthesis. Part VI. Reactions of 3,3,5-trimethylcyclohexanone with Grignard reagents and configurational interrelationships of 1-alkyl(alkenyl and alkynyl)-3,3,5-trimethylcyclohexanols and compounds derived from 1-hydroxy-3,3,5-trimethylcyclohexanecarbonitriles S. R. Landor P. W. O'Connor A. R. Tatchell and I. Blair pg 473; DOI: 10.1039/P19730000473 |
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Synthetic studies related to nuclear analogues of the penicillins and cephalosporins G. Lowe and M. V. J. Ramsay pg 479; DOI: 10.1039/P19730000479 |
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Crystal and molecular structure of a synthetic compound related to the penicillins and cephalosporins, 3-benzyl 7-t-butyl 2,2-dimethyl-8-oxo-4-thia-1-aza-6H-bicyclo[4.2.0]octane-3,7-dicarboxylate Kalyani Vijayan B. F. Anderson and D. C. Hodgkin pg 484; DOI: 10.1039/P19730000484 |
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Poly-(4-and 5-acrylamidosalicylic acids). Part I. Preparation and properties J. F. Kennedy S. A. Barker J. Epton and G. R. Kennedy pg 488; DOI: 10.1039/P19730000488 |
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Further C32 triterpenoids from Neolitsea pulchella Wai-Shing Chan and (Miss) Wai-Haan Hui pg 490; DOI: 10.1039/P19730000490 |
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A photochemical reaction of 2-acetyl-3-alkylamino-1,4-benzoquinones: formation of benzoxazoles Robin G. F. Giles Peter R. K. Mitchell Gregory H. P. Roos and Ian Baxter pg 493; DOI: 10.1039/P19730000493 |
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Photoreactions of polycyclic aromatic hydrocarbons with N-arylglycines D. R. G. Brimage and R. S. Davidson pg 496; DOI: 10.1039/P19730000496 |
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N-alkylation of indole and pyrroles in dimethyl sulphoxide Harry Heaney and Steven V. Ley pg 499; DOI: 10.1039/P19730000499 |
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Sulphonohydrazides and related compounds. Part XIII. Some sulphanilohydrazides Richard J. W. Cremlyn David Leonard and Ramesh Motwani pg 500; DOI: 10.1039/P19730000500 |
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A convenient method for the synthesis of baicalein (5,6,7-trihydroxyflavone) and 4-methylgamatin (4-methoxy-3-methyl-7-phenylfuro-[3,2-g][1]benzopyran-5-one) Y. S. Agasimundin and S. Siddappa pg 503; DOI: 10.1039/P19730000503 |
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Photocyclisation of enamides. Part I. Photochemical reactions of N-acyl enamines Ichiya Ninomiya Takeaki Naito and Takako Mori pg 505; DOI: 10.1039/P19730000505 |
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Chemistry of the aminochromes. Part XVII. Formation of addition products with bisulphite and thiols W. S. Powell and R. A. Heacock pg 509; DOI: 10.1039/P19730000509 |
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Organophosphorus chemistry. Part XIV. Reaction of phosphorodiamidous chlorides with sulphonamides: a new route to diazadiphosphetidines F. L. Bowden A. T. Dronsfield R. N. Haszeldine and D. R. Taylor pg 516; DOI: 10.1039/P19730000516 |
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New diterpenoids from Pterodon emarginatus vog. Jasurant R. Mahajan and Maria B. Monteiro pg 520; DOI: 10.1039/P19730000520 |
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Use of heterocyclic compounds as photosensitisers for the decarboxylation of carboxylic acids David R. G. Brimage R. Stephen Davidson and Peter R. Steiner pg 526; DOI: 10.1039/P19730000526 |
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Preparation and properties of a series of alkyl-4,4-dimethylcyclohexa-2,5-dienones, and related cyclohexenones and cyclohexanones Kenneth L. Cook and Anthony J. Waring pg 529; DOI: 10.1039/P19730000529 |
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Action of isoxazol-5-ones on Schiff's bases Ashley M. Knowles and Alexander Lawson pg 537; DOI: 10.1039/P19730000537 |
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A simple and convenient deamination of aromatic amines J. I. G. Cadogan and G. A. Molina pg 541; DOI: 10.1039/P19730000541 |
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Steroids and Walden inversion. Part LXIX. Substitution reactions of the 5-androstan-11-ols C. W. Shoppee and J. Nemorin pg 542; DOI: 10.1039/P19730000542 |
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Ring contraction of 1,2,4-triazin-3-ones to imidazolin-2-ones and 1,2,3-triazoles Charles W. Rees and Alan A. Sale pg 545; DOI: 10.1039/P19730000545 |
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Reactive intermediates. Part XXII. Formation of 2H-azirines by oxidation of N-aminophthalimide in the presence of alkynes David J. Anderson Thomas L. Gilchrist Geoffrey E. Gymer and Charles W. Rees pg 550; DOI: 10.1039/P19730000550 |
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Reactive intermediates. Part XXIII. Pyrolysis of 1-phthalimido-1,2,3-triazoles: formation and thermal reactions of 2H-azirines Thomas L. Gilchrist Geoffrey E. Gymer and Charles W. Rees pg 555; DOI: 10.1039/P19730000555 |
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Alkyl exchange reactions in trifluoroacetic acid. t-Butyl trifluoroacetate, an efficient alkylation agent for aromatic compounds Ulla Svanholm and Vernon D. Parker pg 562; DOI: 10.1039/P19730000562 |
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Amine oxidation. Part VIII. Evidence for intramolecular hydrogen-atom transfer in amine radical cations John R. Lindsay Smith Richard O. C. Norman and Alan G. Rowley pg 566; DOI: 10.1039/P19730000566 |
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High resolution mass spectrometry. Part X. Loss of water from the molecular ions of aromatic amides George H. Lord Brian J. Millard and Joachim Memel pg 572; DOI: 10.1039/P19730000572 |
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Addition of free radicals to unsaturated systems. Part XX. The direction of radical addition of heptafluoro-2-iodopropane to vinyl fluoride, trifluoroethylene, and hexafluoropropene George L. Fleming Robert N. Haszeldine and Anthony E. Tipping pg 574; DOI: 10.1039/P19730000574 |
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Preparation of some nitrogen-containing polyether crown compounds J. C. Lockhart A. C. Robson (née Lindsell) M. E. Thompson Sister D. Furtado C. K. Kaura and A. R. Allan pg 577; DOI: 10.1039/P19730000577 |
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Diels–Alder reactions. Part I. The dienophilic properties of cis- and trans--formylcrotonic acid and their derivatives Barend V. Burger Eberhard du Plessis Christoph F. Garbers and Johannes P. van der Merwe pg 581; DOI: 10.1039/P19730000581 |
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Diels–Alder reactions. Part II. Condensation of methyl trans--formyl-crotonate with dienols and their acetates Barend V. Burger Eberhard du Plessis Christoph F. Garbers and Klaus G. R. Pachler pg 584; DOI: 10.1039/P19730000584 |
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Diels–Alder reactions. Part III. Condensation of methyl trans--formylcrotonate with retinol acetate, with a note on the structure and stereochemistry of kitol Barend V. Burger and Christoph F. Garbers pg 590; DOI: 10.1039/P19730000590 |
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Polyfluorocyclopentadienes. Part VII. Synthesis of perfluoronorbornadiene and perfluoronorbornene from perfluorocyclopentadiene Ronald E. Banks Robert N. Haszeldine and Alan Prodgers pg 596; DOI: 10.1039/P19730000596 |
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Transformations of penicillin. Part III. A new route to 2,2-dimethyl-6-phenylacetamidopenam-3-ol S-oxide and its esters; o-nitrobenzoate as a protecting group for alcohols and phenols D. H. R. Barton I. H. Coates and P. G. Sammes pg 599; DOI: 10.1039/P19730000599 |
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Formation of 1,1-dimethylallyl derivatives by reaction of 3,3-dimethylallyl halides with copper(II) chelates of acetylacetone and methyl acetoacetate J. Allen Miller Charles M. Scrimgeour (Miss) Rona Black John Larkin Derek C. Nonhebel and Hamish C. S. Wood pg 603; DOI: 10.1039/P19730000603 |
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Heterocyclic imines and amines. Part XVI. 2,6-Diaminopyrazine and its 1-oxide from iminodiacetonitrile Nandkishor R. Barot and John A. Elvidge pg 606; DOI: 10.1039/P19730000606 |
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Reactions of prop-2-yne-1-sulphonyl chloride with -morpholinostyrene (Mrs.) S. Bradamante (Mrs.) P. Del Buttero and S. Maiorana pg 612; DOI: 10.1039/P19730000612 |
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Stereochemistry of the ethoxyethynyl carbinol–-unsaturated ester conversion Malcom H. Tankard and John S. Whitehurst pg 615; DOI: 10.1039/P19730000615 |
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Substitution reactions of benzo[b]thiophen derivatives. Part VI. Reactions of 4-methoxybenzo[b]thiophen and its 3-methyl derivative Kenneth Clarke Richard M. Scrowston and Terence M. Sutton pg 623; DOI: 10.1039/P19730000623 |
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Quinoline alkaloids. Part XIV. Asymmetric synthesis by the peroxy-acid–olefin reaction. The absolute stereochemistry of balfourodine, isobalfourodine, and related compounds, and the biosynthesis of isomeric dihydrofuro- and dihydropyrano-derivatives Robert M. Bowman James F. Collins and Michael F. Grundon pg 626; DOI: 10.1039/P19730000626 |
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Branched-chain sugars. Part XIV. Reactions of some glycosulose derivatives with diazomethane: ring expansion of glycosulose derivatives B. Flaherty (Mrs.) S. Nahar W. G. Overend and N. R. Williams pg 632; DOI: 10.1039/P19730000632 |
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Metabolites of proteaceae. Part VII. Lacticolorin, a phenolic glucoside ester, and other metabolites of Protea lacticolor Salisb. Guido W. Perold Peter Beylis and Arthur S. Howard pg 638; DOI: 10.1039/P19730000638 |
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Metabolites of proteaceae. Part VIII. The occurrence of (+)-D-allose in nature: rubropilosin and pilorubrosin from Protea rubropilosa beard Guido W. Perold Peter Beylis and Arthur S. Howard pg 643; DOI: 10.1039/P19730000643 |
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Fluoro-olefins. Part VIII. Preparation and some reactions of perfluoro-2,3-dimethylbut-2-ene and of some tristrifluoromethyl ethylenes Henry H. Evans Roy Fields Robert N. Haszeldine and Michael Illingworth pg 649; DOI: 10.1039/P19730000649 |
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Some applications of nickel boride as a desulphurising agent. An improved route to triterpene 2-enes Robin B. Boar David W. Hawkins James F. McGhie and Derek H. R. Barton pg 654; DOI: 10.1039/P19730000654 |
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Studies of heterocyclic compounds. Part XIII. Pyrrolo[2,1-b]thiazole thioaldehydes: synthesis and spectral studies R. K. Mackie S. McKenzie D. H. Reid and R. G. Webster pg 657; DOI: 10.1039/P19730000657 |
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Synthesis of 2- and 3-O-acyluridines Jennifer Baker Michael Jarman and John A. Stock pg 665; DOI: 10.1039/P19730000665 |
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Reactivity of vinyl sulphonic esters. Part XIV. Addition of trinitrobenzenesulphonyl hypohalites to acetylene derivatives to give -halogenovinyl sulphonates Pietro Bassi and Umberto Tonellato pg 669; DOI: 10.1039/P19730000669 |
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Position of methylation of 2,3-diaminopyridine and 3-amino-2-methyl-aminopyridine Kiyotaka Oyama and Ross Stewart pg 673; DOI: 10.1039/P19730000673 |
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Perfluoroalkyl derivatives of sulphur. Part XV. Preparation and certain reactions of methyl polyfluoroalkyl sulphoxides and sulphones and their conversion into polyfluoroalkanesulphonic acids Robert N. Haszeldine Rhymer B. Rigby and Anthony E. Tipping pg 676; DOI: 10.1039/P19730000676 |
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Self-condensation and rearrangement of N-alkylphenacylamines J. William Lown and M. Humayoun Akhtar pg 683; DOI: 10.1039/P19730000683 |
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Tetranortriterpenoids. Part XIV. The structure of nyasin, a limonoid from Khaya nyasica; a correction Joseph D. Connolly and David A. H. Taylor pg 686; DOI: 10.1039/P19730000686 |
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Homoallylic rearrangement of spiro cyclopropyl carbinols Peter Bennett John A. Donnelly David C. Meaney and Peter O'Boyle pg 688; DOI: 10.1039/P19730000688 |
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Synthesis of oxophlorins (oxyporphyrins) from magnesium and zinc porphyrin chelates Graham H. Barnett Mervyn F. Hudson Stuart W. McCombie and Kevin M. Smith pg 691; DOI: 10.1039/P19730000691 |
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Syntheses of heterocyclic compounds. Part XXV. Action of acid on NN-disubstituted o-nitroanilines: benzimidazole N-oxide formation and nitro-group rearrangements Rae Fielden Otto Meth-Cohn and Hans Suschitzky pg 696; DOI: 10.1039/P19730000696 |
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Syntheses of heterocyclic compounds. Part XXVI. Photo-rearrangements of benzimidazole N-oxides and related systems Rae Fielden Ott oMeth-Cohn and Hans Suschitzky pg 702; DOI: 10.1039/P19730000702 |
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Syntheses of heterocyclic compounds. Part XXVII. Substitution reactions and rearrangements of benzimidazole N-oxides Rae Fielden Otto Meth-Cohn and Hans Suschitzky pg 705; DOI: 10.1039/P19730000705 |
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Structure of the diterpene clerodendrin A Natsuki Kato Masakazu Shibayama and Katsura Munakata pg 712; DOI: 10.1039/P19730000712 |
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Allenes. Part XXIV. Preparation of -allenic alcohols from the mono-O-tetrahydropyran-2-yl derivatives of butyne-1,4-diols James S. Cowie Phyllis D. Landor and Stephen R. Landor pg 720; DOI: 10.1039/P19730000720 |
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Bufadienolides. Part XXIII. 14,15-epoxy-3,11-dihydroxy-5-bufa-20,22-dienolide (11-hydroxyresibufogenin) George R. Pettit and Yoshiaki Kamano pg 725; DOI: 10.1039/P19730000725 |
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Influence of 11-trimethylsilyloxy- or 11-hydroxy-substituents on the electron-impact-induced fragmentation of trimethylsilyl derivatives of some androstanols Paul Vouros and David J. Harvey pg 727; DOI: 10.1039/P19730000727 |
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Bridged ring systems. Part XVII. The mechanism of a transannular acylation George L. Buchanan and Graham A. R. Young pg 732; DOI: 10.1039/P19730000732 |
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Thiophen derivatives. Part XXII. Preparation of naphtho[2,3:4,5]-thieno[3,2-b][1]benzothiophen and some methyl homologues P. Jacquignon A. Croisy A. Ricci and D. Balucani pg 734; DOI: 10.1039/P19730000734 |
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ent-Kaurene diterpenoids from Solenostoma triste(Nees) K. Mll (hepaticae) Joseph D. Connolly and Ian M. S. Thornton pg 736; DOI: 10.1039/P19730000736 |
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Reactions of some 8-(3-pyridyl)-6-thioxanthines with methyl iodide Mordechai Kleiner pg 739; DOI: 10.1039/P19730000739 |
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Natural acetylenes. Part XL. Syntheses of polyacetylenic C18 and C16 esters with 9-ene-12,14-diyne unsaturation, and their labelling Alexander G. Fallis Milton T. W. Hearn Sir Ewart R. H. Jones Viktor Thaller and John L. Turner pg 743; DOI: 10.1039/P19730000743 |
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Pharmacologically active benzo[b]thiophen derivatives. Part X. 2-(5- and 7-Hydroxy-3-benzo[b]thienyl)ethylamines and related compounds Norman B. Chapman Kenneth Clarke Brian A. Gore Antonios Manolis Harry Porter and Terence M. Sutton pg 750; DOI: 10.1039/P19730000750 |
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Studies in terpenoid biosynthesis. Part X. Incorporation of (5S)-[5-3H1]mevalonic acid into gibberellic acid Roger Evans James R. Hanson and Larry J. Mulheirn pg 753; DOI: 10.1039/P19730000753 |
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Model reactions for the biosynthesis of thyroxine. Part XVII. On the mechanism of the conversion of 4-hydroxy-3,5-di-iodophenylpyruvic acid into thyroxine Akira Nishinaga and Hans J. Cahnmann pg 757; DOI: 10.1039/P19730000757 |
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1,3,4,5-Tetrahydrobenz[c,d]indoles and related compounds. Part IV. Attempted syntheses of lysergic acid R. E. Bowman D. D. Evans J. Guyett J. Weale and A. C. White pg 760; DOI: 10.1039/P19730000760 |
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Deamination of naphthalen-1,4-imines and anthracen-9,10-imines by reaction with benzyne or dimethyl acetylenedicarboxylate Larry J. Kricka and John M. Vernon pg 766; DOI: 10.1039/P19730000766 |
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A new stereospecific synthesis of 5,6-dihydro-4H1,3-thiazines by polar 1,4-cycloaddition of thioamidoalkyl ions to olefins. Configurational and conformational nuclear magnetic resonance analysis of the products Luigi Abis and Claudio Giordano pg 771; DOI: 10.1039/P19730000771 |
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Cobalt(I) tetradehydrocorrin complexes Clive M. Elson Alan Hamilton and Alan W. Johnson pg 775; DOI: 10.1039/P19730000775 |
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Synthesis of some tetrahydro-2- and 3-benzazepines, and of hexahydro-3-benzazocine Leslie W. Deady Nassim H. Pirzada and Ronald D. Topsom pg 782; DOI: 10.1039/P19730000782 |
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Chemical modification of trehalose. Part XIII. Synthesis of some 4,4-difluoro- and 4,4,6,6-tetrafluoro-analogues Leslie Hough Anthony K. Palmer and Anthony C. Richardson pg 784; DOI: 10.1039/P19730000784 |
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Mechanism of hydrogen–deuterium exchange in hypoxanthines Dov Lichtenberg and Felix Bergmann pg 789; DOI: 10.1039/P19730000789 |
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Tautomerism, protonation, and methylation in methylthiopurines; factors determining electrophilic attack on purines Uri Reichman Felix Bergmann Dov Lichtenberg and Zohar Neiman pg 793; DOI: 10.1039/P19730000793 |
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Studies in the norbornene series. Part II. Synthesis and reactions of some norbornanes carrying fused heterocycles John S. Oakland and Feodor Scheinmann pg 800; DOI: 10.1039/P19730000800 |
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Degradation of the lanosterol side-chain Lindsay H. Briggs J. P. Bartley and P. S. Rutledge pg 806; DOI: 10.1039/P19730000806 |
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Synthesis of novel bicyclic prostaglandins by photochemical cycloaddition reactions Pierre Crabbé Gustavo A. García and Carlos Ríus pg 810; DOI: 10.1039/P19730000810 |
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Studies on heterocyclic chemistry. Part XV. Synthesis of phosphine N-styrylimides by the reaction of 2H-azirines with triphenylphosphine and a tetrahalogenomethane, and their transformation into isoquinoline derivatives Tarozaemon Nishiwaki and Fusako Fujiyama pg 817; DOI: 10.1039/P19730000817 |
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Synthesis and some properties of dyes containing the pyrano[2,3-d]-pyrimidine nucleus Joseph Bailey and John A. Elvidge pg 823; DOI: 10.1039/P19730000823 |
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N-quaternary compounds. Part XXIX. Selective removal of the N-chloroacetyl group in peptides Kjell Undheim and Per E. Fjeldstad pg 829; DOI: 10.1039/P19730000829 |
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Intramolecular animation of p-benzoquinones: formation of 1,2,3,5-tetrahydrobenzo[1,2-b:4,5-b]dipyrroles and 1,2,3,4-tetrahydropyrido-[2,3-g]quinolines David B. Baird Ian Baxter Donald W. Cameron and William R. Phillips pg 832; DOI: 10.1039/P19730000832 |
Sulphoxides. Part II. Stereochemistry of the  -disulphoxides 2,5-di-thiahexane 2,5-dioxide and 1,4-diphenyl-1,4-dithiabutane 1,4-dioxideHugo Nieuwenhuyse and Robert Louw pg 839; DOI: 10.1039/P19730000839 |
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Synthesis of 3,3-dimethyl-1,1-azobenzimidazolium salts Edward E. Glover Kenneth T. Rowbottom and Derek C. Bishop pg 842; DOI: 10.1039/P19730000842 |
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Free radical substitution in aliphatic compounds. Part XXVI. The gas-phase bromination of halogenocycloalkanes David S. Ashton John M. Tedder John C. Walton Anthony Nechvatal and Ian K. Stoddart pg 846; DOI: 10.1039/P19730000846 |
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Chemistry of quinones. Part II. Some base-catalysed reactions of alkylanthraquinones David G. Davies Philip Hodge and Paul Yates pg 850; DOI: 10.1039/P19730000850 |
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The pimarane cassane rearrangement. Synthesis of a potential intermediate from isopimaric acid James P. Johnston and Karl H. Overton pg 853; DOI: 10.1039/P19730000853 |
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Reactions of condensed N-heteroaromatic molecules. Part II. Electrophilic substitution of N-acetylcarbazole, N-acetyl-10,11-dihydrodibenz-[b,f]azepine, and derivatives Larry J. Kricka and Anthony Ledwith pg 859; DOI: 10.1039/P19730000859 |
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Analysis of structural characteristics of chemical compounds in a large computer-based file. Part IV. Cyclic fragments George W. Adamson Jeanne Cowell Michael F. Lynch William G. Town and A. Margaret Yapp pg 863; DOI: 10.1039/P19730000863 |
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Tetranortriterpenoids. Part XV. Base-induced fragmentation of some swietenine derivatives Joseph D. Connolly Robert Henderson Robert McCrindle Karl H. Overton and Norman S. Bhacca pg 865; DOI: 10.1039/P19730000865 |
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Formation of fused azetinones by photolysis and pyrolysis of triazinones. N-aminonaphth[2,3-b]azet-2(1H)-one and N-1-adamantylbenzazet-2-(1H)-one Naz Bashir and Thomas L. Gilchrist pg 868; DOI: 10.1039/P19730000868 |
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Phosphorylated sugars. Part XIII. A new synthesis of D-arabinose 5-(dilithium phosphate) Judith Stverteczky Patricia Szabó and Ladislas Szabó pg 872; DOI: 10.1039/P19730000872 |
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Phenol oxidation and biosynthesis. Part XXII. The alkaloids of Erythrina lysistemon, E. abyssinica, E. poeppigiana, E. fusca, and E. Lithosperma; the structure of erythratidine Derek H. R. Barton Abeysinghe A. L. Gunatilaka Roy M. Letcher Awa M. F. T. Lobo and David A. Widdowson pg 874; DOI: 10.1039/P19730000874 |
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The meso-reactivity of porphyrins and related compounds. Part VI. Oxidative cleavage of the haem system. The four isomeric biliverdins of the IX series Raymond Bonnett and Antony F. McDonagh pg 881; DOI: 10.1039/P19730000881 |
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Cycloadducts of ergosterol with azo-type dienophiles, and their chemical reactivities Paris E. Georghiou and George Just pg 888; DOI: 10.1039/P19730000888 |
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Medium-sized cyclophanes. Part XIV. An aromatic displacement reaction in veratrylic compounds. Attempted nitration and halogenation of cyclotriveratrylene (10,15-dihydro-2,3,7,8,12,13-hexamethoxy-5H-tri-benzo[a,d,g]cyclononene) Takeo Sato Toshio Akima and Kazuo Uno pg 891; DOI: 10.1039/P19730000891 |
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Medium-sized cyclophanes. Part XV. 10,15-Dihydro-5H-tribenzo-[a,d,g]cyclononene and analogues Takeo Sato and Kazuo Uno pg 895; DOI: 10.1039/P19730000895 |
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Steroids. Part XVI. Long-range substituent effects on boron tri-fluoride-catalysed rearrangements of 5,6-epoxy-steroids Ian G. Guest and Brian A. Marples pg 900; DOI: 10.1039/P19730000900 |
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Tuberosin, a new pterocarpan from Pueraria tuberosa DC Balawant Shankar Joshi and Venkatesh Narsinh Kamat pg 907; DOI: 10.1039/P19730000907 |
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Mechanism of the reaction between pyrrole esters and styrene oxide G. Cooper and W. J. Irwin pg 911; DOI: 10.1039/P19730000911 |
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The chemistry of santonene. Part VIII. Photoreaction of 4H-pyrosantonin Kiyoyasu Ishikawa and T. Brian H. McMurry pg 914; DOI: 10.1039/P19730000914 |
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Transformations of 2-substituted 1-dialkylaminoanthraquinones. A reinvestigation Joseph Lynch and Otto Meth-Cohn pg 920; DOI: 10.1039/P19730000920 |
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o-Quinonoid compounds. Part VI. Spiroconjugation in the ethylene acetal of 1,3-diphenylinden-2-one and derivatives of benzo[c]phosphole 2-oxide J. Murray Holland and David W. Jones pg 927; DOI: 10.1039/P19730000927 |
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Preparation and deoxygenation of 6-epi-penicillin S-oxides Paul Claes Arnold Vlietinck Eugene Roets Hubert Vanderhaeghe and Suzanne Toppet pg 932; DOI: 10.1039/P19730000932 |
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Preparation of 6-epi-phenoxymethyl- and 6-epi-benzyl-penicillin Arnold Vlietinck Eugene Roets Paul Claes Gerard Janssen and Hubert Vanderhaeghe pg 937; DOI: 10.1039/P19730000937 |
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The chemistry of polyazaheterocyclic compounds. Part VI. Condensation reactions of 5-amino-1H-1,2,3-triazoles with ethyl acetoacetate and a new type of dimroth rearrangement Derek R. Sutherland George Tennant and Robin J. S. Vevers pg 943; DOI: 10.1039/P19730000943 |
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Structural biochemistry. Part XII. Synthesis of tobacco mosaic virus protein unit 150–158 George R. Pettit Shyam K. Gupta and Richard H. Ode pg 950; DOI: 10.1039/P19730000950 |
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Biosynthesis of amaryllidaceae alkaloids. Stereochemistry of hydrogen removal to the tertiary nitrogen atom in the biological conversion of norpluviine into lycorenine Claudio Fuganti and Mareo Mazza pg 954; DOI: 10.1039/P19730000954 |
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Ene reactions of allenes. Part I. Reactions of alkylallenes with hexafluoroacetone David R. Taylor and D. Bruce Wright pg 956; DOI: 10.1039/P19730000956 |
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Use of tertiary amino-groups as substituents to stabilise compounds towards attack by singlet oxygen Robert S. Atkinson David R. G. Brimage R. Stephen Davidson and (Miss) Elizabeth Gray pg 960; DOI: 10.1039/P19730000960 |
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Interconversion of neoflavanoids Dervilla M. X. Donnelly Philip J. Kavanagh Gerhard Kunesch and Judith Polonsky pg 965; DOI: 10.1039/P19730000965 |
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Synthesis of 4H-cyclohepta[b]thiophen-4-ones, 4H-cyclohepta[b]furan-4-one, and 9H-cyclohepta[b]pyridin-9-one Gurnos Jones Ronald K. Jones and Michael J. Robinson pg 968; DOI: 10.1039/P19730000968 |
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Hexafluoroacetone adducts of phosphines containing a group susceptible to nucleophilic attack Elaine Duff Stuart Trippett and Peter J. Whittle pg 972; DOI: 10.1039/P19730000972 |
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Organocobalt complexes. Part I. Arene complexes derived from dodecacarbonyltetracobalt Ihsan U. Khand Graham R. Knox Peter L. Pauson and William E. Watts pg 975; DOI: 10.1039/P19730000975 |
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Organocobalt complexes. Part II. Reaction of acetylenehexacarbonyldicobalt complexes, (R1C2R2)Co2(CO)6, with norbornene and its derivatives Ihsan U. Khand Graham R. Knox Peter L. Pauson William E. Watts and Michael I. Foreman pg 977; DOI: 10.1039/P19730000977 |
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Addition of carbon tetrachloride to 3,3,4,4-tetrafluorohexa-1,5-diene Paolo Piccardi Pietro Massardo Mario Modena and Ettore Santoro pg 982; DOI: 10.1039/P19730000982 |
Selective reduction of organic compounds with bis-( -cyclopentadienyl)dihydridotungstenMalcolm L. H. Green and Peter J. Knowles pg 989; DOI: 10.1039/P19730000989 |
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The course of hydrogenation of nickel(II)-alkylated 1,19-dimethyltetradehydrocorrin salts Alan W. Johnson William R. Overend and Alan L. Hamilton pg 991; DOI: 10.1039/P19730000991 |
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Reaction of N-(4-chlorobutyryl)isatin with potassium hydroxide P. Lakshminarayana K. K. Balasubramanian and P. Shanmugam pg 998; DOI: 10.1039/P19730000998 |
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Sequential polypeptides. Synthesis of poly-(L-tyrosyl-L-glutamyl-L-tyrosyl-L-glutamyl), poly-(L-glutamyl-L-tyrosyl-L-glutamyl), and poly-(L-glutamyl-L-glutamyl-L-tyrosyl-L-glutamyl) by use of catechol esters Yves Trudelle pg 1001; DOI: 10.1039/P19730001001 |
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Reactions of lndane-1,3-diones with 1,4-naphthoquinones Katherine Buggle John A. Donnelly and Lorcan J. Maher pg 1006; DOI: 10.1039/P19730001006 |
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Formation of 3-substituted 2-iminocyclopentanedithiocarboxylic acids and N-[amino(dimercapto)methyl]-2-methylcyclopentanimine from 2-substituted cyclopentanones. Some reactions of the imino-dithiocarb-oxylic acids Tatsuo Takeshima Tetsuko Miyauchi Naoaki Fukada Shuichi Koshizawa and Motomu Muraoka pg 1009; DOI: 10.1039/P19730001009 |
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Stereospecific ring-contraction of 7,7-dichlorobicyclo[3.2.0]hept-2-en-6-ols with base Peter R. Brook and A. Jonathan Duke pg 1013; DOI: 10.1039/P19730001013 |
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Synthesis of the 8-cycloheptatrienylheptafulvenyl cation Ian Fleming pg 1019; DOI: 10.1039/P19730001019 |
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Pyranopyran derivatives related to citromycetin, and their sulphurization to give derivatives of 1-oxa-6,6-dithia(6a-SIV)pentalene and 1,6,6a-trithia(6a-SIV)pentalene Francis M. Dean John Goodchild and Andrew W. Hill pg 1022; DOI: 10.1039/P19730001022 |
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Electrocyclic reactions. Part III. Some reactions of 2,4-dimethyl-1,5-diphenylpenta-1,4-dien-3-one (-dimethyldibenzylideneacetone) Charles W. Shoppee and Burgess J. A. Cooke pg 1026; DOI: 10.1039/P19730001026 |
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The chemistry of trisulphenamides [N(SR)3]. Part I. Preparation, thermal decomposition, and reactions of tribenzenesulphenamide [N(SPh)3] Derek H. R. Barton Ian A. Blair Philip D. Magnus and Robert K. Norris pg 1031; DOI: 10.1039/P19730001031 |
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The chemistry of trisulphenamides [N(SR)3]. Part II. Reactions of tribenzenesulphenamide with electron-rich molecules Derek H. R. Barton Ian A. Blair Philip D. Magnus and Robert K. Norris pg 1037; DOI: 10.1039/P19730001037 |
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Studies in the indole series. Part VII. Indolo[1,7-ab][1]benzazepines and related compounds Christopher J. Cattanach Aaron Cohen and Basil Heath-Brown pg 1041; DOI: 10.1039/P19730001041 |
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Triterpenoids from Trichilia havanensis Jacq. Part I. The acetates of havanensin and trichilenone, new tetracarbocyclic tetranortriterpenes Wilfred R. Chan John A. Gibbs and David R. Taylor pg 1047; DOI: 10.1039/P19730001047 |
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Quinoline alkaloids. Part XV. Reactions of a quinoline isoprenyl epoxide with hydride reagents. Asymmetric synthesis and stereochemistry of lunacridine and related Lunasia alkaloids Robert M. Bowman Gerald A. Gray and Michael F. Grundon pg 1051; DOI: 10.1039/P19730001051 |
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Quinoline alkaloids. Part XVI. 2,2-Dimethylpyranoquinolines from base-catalysed rearrangement of isoprenyl epoxides. Synthesis and biogenesis of flindersine Robert M. Bowman Michael F. Grundon and Kevin J. James pg 1055; DOI: 10.1039/P19730001055 |
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Preparation of 2-C-cyano-glycals Richard H. Hall and Amor Jordaan pg 1059; DOI: 10.1039/P19730001059 |
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Polyfluoroalkyl derivatives of nitrogen. Part XXXVIII. Reaction of N-bromobistrifluoromethylamine with allyl chloride; preparation of NN-bistrifluoromethylprop-2-enylamine David H. Coy Robert N. Haszeldine Michael J. Newlands and Anthony E. Tipping pg 1062; DOI: 10.1039/P19730001062 |
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Polyfluoroalkyl derivatives of nitrogen. Part XXXIX. Preparation of NN-bistrifluoromethylamino-substituted allenes David H. Coy Robert N. Haszeldine Michael J. Newlands and Anthony E. Tipping pg 1066; DOI: 10.1039/P19730001066 |
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Cyclopropane chemistry. Part II. Cyclopropanes as sources of difluorocarbene J. Michael Birchall Robert N. Haszeldine and David W. Roberts pg 1071; DOI: 10.1039/P19730001071 |
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Nitrenes generated from nitro-compounds by various phosphorus reagents in heterocyclic synthesis. A convenient route to substituted 3H-azepines Frank R. Atherton and Robert W. Lambert pg 1079; DOI: 10.1039/P19730001079 |
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Azabenzocycloheptenones. Part XVI. Amino-ketones of the tetrahydro-2-benzazepin-5-one series Angus McLean and George R. Proctor pg 1084; DOI: 10.1039/P19730001084 |
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Synthesis of convicine (6-amino-5--D-glucopyranosyloxyuracil) Shlomo Bien Drorah Amith and Menuha Ber pg 1089; DOI: 10.1039/P19730001089 |
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Nitroxide chemistry. Part V. Reactions between bistrifluoromethyl nitroxide and alkylbenzenes; mechanism of formation of carbonyl compounds Ronald E. Banks Dilip R. Choudhury and Robert N. Haszeldine pg 1092; DOI: 10.1039/P19730001092 |
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The direct bradsher reaction. Part I. Synthesis of thiophen analogues of linear polycyclic hydrocarbons Munir Ahmed John Ashby Mehdi Ayad and Otto Meth-Cohn pg 1099; DOI: 10.1039/P19730001099 |
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The direct bradsher reaction. Part II. Synthesis of pyrylium and thiopyrylium salts John Ashby Mehdi Ayad and Otto Meth-Cohn pg 1104; DOI: 10.1039/P19730001104 |
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Allenes. Part XXVI. The synthesis of enaminic nitriles by the nucleophilic addition of amines to allenic nitriles Zacharias T. Fomum Peter M. Greaves Phyllis D. Landor and Stephen R. Landor pg 1108; DOI: 10.1039/P19730001108 |
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N-fluoro-compounds. Part VI. Preparation and some reactions of perfluoro-NN-difluoropiperazine; cross-linking of a nitroso rubber Ronald. E. Banks Phillip A. Carson and Robert N. Haszeldine pg 1111; DOI: 10.1039/P19730001111 |
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Pyridazines. Part V. Preparation and reactions of some dialkylaminopyridazinones Justus K. Landquist and Craig W. Thornber pg 1114; DOI: 10.1039/P19730001114 |
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Stereochemistry of the methoxyphthioceranes Kenneth Maskens and Nicholas Polgar pg 1117; DOI: 10.1039/P19730001117 |
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Polyfluoroarenes. Part XVIII. Some reactions of 2,3,4,5,6-pentafluorobiphenyl and related compounds J. Michael Birchall Robert N. Haszeldine and Howard Woodfine pg 1121; DOI: 10.1039/P19730001121 |
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Polyhalogeno-aromatic compounds. Part XXVI. Photochemistry of pentachloropyridine and some derivatives Ernest Ager Geoffrey E. Chivers and Hans Suschitzky pg 1125; DOI: 10.1039/P19730001125 |
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Reaction of aromatic nitroso-compounds with enamines. Part II. Reaction of 1-nitroso-2-naphthol with enamines John W. Lewis Peter L. Myers and Joseph A. Ormerod pg 1129; DOI: 10.1039/P19730001129 |
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Synthesis of 3-substituted furans and the formation of 3-(4,8,12-tri-methyltridecyl)furan Derek L. Dare Ian D. Entwistle and Robert A. W. Johnstone pg 1130; DOI: 10.1039/P19730001130 |
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Synthesis of 2-alkoxy-2-acylaminopropionic acids by alkoxymercuration–demercuration of 2-acylaminoacrylic acids Carlo Gallina Massimo Maneschi and Aurelio Romeo pg 1134; DOI: 10.1039/P19730001134 |
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1,3,12,14-Tetramethyldibenzo[a,i]dithieno[3,4-e;3,4-m]cyclohexadecene. Reactions of the bis-ylide from 2,5-dimethylthiophen-3,4-diylbis(methylenetriphenylphosphonium chloride) with 2,5-dimethylthiophen-3,4-dicarbaldehyde and with o-phthalaldehyde William Carruthers and Martin G. Pellatt pg 1136; DOI: 10.1039/P19730001136 |
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Pyrido[1,2-a]pyrimidinium salts. Part I. Synthesis from 2-aminopyridines and interconversion with 2-(2-acylvinylamino)pyridines James R. H. Sawyer and D. George Wibberley pg 1138; DOI: 10.1039/P19730001138 |
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Steroids. Part XVII. Functionalisation of the 5-methyl group in 9,10-epoxy-5-methyl-19-nor-5-steroids and 5-methyl-18,19-bisnor-13(17)-5,8,9,10,14,-steroids J. Gareth Ll. Jones and Brian A. Marples pg 1143; DOI: 10.1039/P19730001143 |
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Nomenclature of a class of biologically active mould metabolites: the cytochalasins, phomins, and zygosporins Michael Binder Christoph Tamm W. B. Turner and Hitoshi Minato pg 1146; DOI: 10.1039/P19730001146 |
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Isoxazoline derivatives. Part VI. Regioselectivity in the 1,3-dipolar cycloaddition of nitrile oxides to -unsaturated ketones Giorgio Bianchi Carlo De Micheli Remo Gandolfi Paolo Grünanger Paolo Vita Finzi and Orso Vajna de Pava pg 1148; DOI: 10.1039/P19730001148 |
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Chemical investigation of ceylonese plants. Part III. Extractives of the fruits of Argyreia populifolia choisy (convolvulaceae) A. A. Leslie Gunatilake and M. Uvais S. Sultanbawa pg 1155; DOI: 10.1039/P19730001155 |
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Azasteroids. Part X. Synthesis of 3,4-dihydro-8-methoxybenzo[c]phenanthridin-1(2H)-one Satinder V. Kessar (the late) Narasimha Parkash and Gurdev S. Joshi pg 1158; DOI: 10.1039/P19730001158 |
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Total synthesis of acephenanthren-5-one Robert E. Harmon Mohammed Mazharuddin and Surendra K. Gupta pg 1160; DOI: 10.1039/P19730001160 |
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Amino-acids and peptides. Part XXXVII. Trifluoroacetylation during the coupling of t-butoxycarbonylamino-acids with peptide esters in the presence of trifluoroacetate anion George A. Fletcher Miklos Löw and Geoffrey T. Young pg 1162; DOI: 10.1039/P19730001162 |
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Partial synthesis of ent-kaur-16-ene-15,18-diol and ent-kaur-16-ene-7,15,18-triol Franco Piozzi Pietro Venturella Aurora Bellino and Maria L. Marino pg 1164; DOI: 10.1039/P19730001164 |
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The dianion of benzyl phenyl sulphone. A general method for obtaining -unsaturated phenyl sulphones from aldehydes and ketones V. Pascali N. Tangari and A. Umani-Ronchi pg 1166; DOI: 10.1039/P19730001166 |
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1,2,3-Benzotriazin-4-ones and related systems. Part II. Thermolytic decomposition of substituted 1,2,3-benzotriazin-4-ones and isatoic anhydrides John G. Archer Alan J. Barker and Robert K. Smalley pg 1169; DOI: 10.1039/P19730001169 |
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Rutaceous constitutents. Part II. Two acridone alkaloids from Atalantia ceylanica(Rutaceae) Alan W. Fraser and John R. Lewis pg 1173; DOI: 10.1039/P19730001173 |
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Synthesis and acidic degradation of 3-deoxy-ketoaldonic acids Daniel Charon and Ladislas Szabó pg 1175; DOI: 10.1039/P19730001175 |
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Chemical constituents of the combretaceae. Part IV. Phenanthrene derivatives from the heartwood of Combretum hereroense Roy M. Letcher and Llewellyn R. M. Nhamo pg 1179; DOI: 10.1039/P19730001179 |
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1,6-Diacetylnaphthalene William Carruthers and Ratnam Pooranamoorthy pg 1181; DOI: 10.1039/P19730001181 |
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Transformations of penicillins. Part IV. On the trapping of sulphenic acids from penicillins with thiols Robin D. Allan Derek H. R. Barton Moopil Girijavallabhan Peter G. Sammes and Michael V. Taylor pg 1182; DOI: 10.1039/P19730001182 |
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Transformations of penicillins. Part V. Reactions of olefin and acetylene derivatives with the sulphenic acid intermediates from penicillin S-oxides Ian Ager Derek H. R. Barton David G. T. Greig Gino Lucente Peter G. Sammes Michael V. Taylor Graham H. Hewitt Brian E. Looker (Miss) Ann Mowatt (Mrs.) Caroline A. Robson and William G. E. Underwood pg 1187; DOI: 10.1039/P19730001187 |
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Substitution reactions of benzo[b]thiophen derivatives. Part VII. Reactions of 4-hydroxybenzo[b]thiophen, its 3-methyl derivative, and related compounds Kenneth Clarke Richard M. Scrowston and Terence M. Sutton pg 1196; DOI: 10.1039/P19730001196 |
Thienyl analogues of the alkaloids. Part II. 3-Thienyl analogues of ephedrine and  -ephedrineJohn M. Barker and Patrick R. Huddleston pg 1200; DOI: 10.1039/P19730001200 |
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Steroids and related studies. Part XX. 4,17a-Diaza-D-homo-steroids Harkishan Singh Dharam Paul and Veerendra V. Parashar pg 1204; DOI: 10.1039/P19730001204 |
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Thermal rearrangement of -diazo--diketones Graham Heyes and Geoffrey Holt pg 1206; DOI: 10.1039/P19730001206 |
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Rearrangement and elimination reactions in 1,2,4-triazole derivatives Tadashi Hirata Harry B. Wood (jun.) and John S. Driscoll pg 1209; DOI: 10.1039/P19730001209 |
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Studies on the syntheses of heterocyclic compounds. Part DXIV. Synthesis of 6a,7-didehydroaporphine and indolo[2,1-a]isoquinoline systems by benzyne reactions Tetsuji Kametani Shiroshi Shibuya and Shinzo Kano pg 1212; DOI: 10.1039/P19730001212 |
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Reaction between vicinal diols and hydrogen bromide in acetic acid; synthesis of chiral propylene oxide Bernard T. Golding David R. Hall and Satish Sakrikar pg 1214; DOI: 10.1039/P19730001214 |
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Characterisation of threo- and erythro-2-benzyl-3-phenylsuccinic acids Augustine E. Opara and Gordon Read pg 1221; DOI: 10.1039/P19730001221 |
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A novel synthetic route to 3,4-benzotropolones: the expansion of a six-membered carbocycle under reducing conditions Gordon Read and Victor M. Ruiz pg 1223; DOI: 10.1039/P19730001223 |
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6-Methylthiopurin-8-ones. A study of their tautomerism and their reactions with electrophilic reagents F. Bergmann Miriam Rahat and D. Lichtenberg pg 1225; DOI: 10.1039/P19730001225 |
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Mechanism and stereochemistry of nucleophilic substitutions in alkoxysulphonium salts (Miss) Rita Annunziata Mauro Cinquini and Stefano Colonna pg 1231; DOI: 10.1039/P19730001231 |
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Fluorinated sterols. Part I. 26,26,26,27,27,27-Hexafluorodesmosterol Josef E. Herz and Sergio Cruz Montalvo pg 1233; DOI: 10.1039/P19730001233 |
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Studies of artefacts of the acid treatment of (23S)-lanosta-8,24-diene-3,23-diol Norman Entwistle and Alexander D. Pratt pg 1235; DOI: 10.1039/P19730001235 |
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An algorithm for finding the synthetically important rings of a molecule Malcolm Bersohn pg 1239; DOI: 10.1039/P19730001239 |
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Synthesis and reactions of 1,1-dichloro-2,2,6,6-tetramethyl-4-oxaspiro-[2.3]hexan-5-one Edwin S. Olson and Avon J. Whitehead pg 1242; DOI: 10.1039/P19730001242 |
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Photodecomposition of alkyl benzoates and S-alkyl thiobenzoates. Possibility of a barton-type transition state Y. Ogata K. Takagi and Y. Takayanagi pg 1244; DOI: 10.1039/P19730001244 |
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Minor diterpenoid constituents of Andrographis paniculata Nees Alan Balmain and Joseph D. Connolly pg 1247; DOI: 10.1039/P19730001247 |
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Potentially carcinogenic cyclopenta[a]phenanthrenes. Part VI. 1,2,3,4-Tetrahydro-17-ketones Maurice M. Coombs and Tarochan S. Bhatt pg 1251; DOI: 10.1039/P19730001251 |
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Potentially carcinogenic cyclopenta[a]phenanthrenes. Part VII. Ring-D diols and related compounds Maurice M. Coombs and (Mrs.) Maureen Hall pg 1255; DOI: 10.1039/P19730001255 |
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Rearrangements of diphenylamine derivatives. Part V. Rearrangements of 4-substituted N-acyldiphenylamines and related reactions J. Michael Birchall and Michael T. Clark pg 1259; DOI: 10.1039/P19730001259 |
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Structure of orchinol, loroglossol, and hircinol Roy M. Letcher and Llewellyn R. M. Nhamo pg 1263; DOI: 10.1039/P19730001263 |
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Photochemical reactions. Part I. A new route to tetradehydropodophyllotoxin, taiwanin E, and related compounds B. J. Arnold S. M. Mellows and P. G. Sammes pg 1266; DOI: 10.1039/P19730001266 |
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Cytotoxic compounds. Part XVI. Reactions of the bismethanesulphonates of 3-(N-methylanilino)propane-1,2-diol and of 2-(N-methylanilino)-propane-1,3-diol with nucleophiles Graham Durrant Peter D. Edwards and Leonard N. Owen pg 1271; DOI: 10.1039/P19730001271 |
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Electrochemical reactions. Part XIII. Reduction of some styrylpyrazole derivatives James Grimshaw and Jadwiga Trocha-Grimshaw pg 1275; DOI: 10.1039/P19730001275 |
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A new synthesis of rotenoids. Application to 9-demethylmunduserone, mundeserone, rotenonic acid, dalpanol, and rotenone Leslie Crombie Peter W. Freeman and Donald A. Whiting pg 1277; DOI: 10.1039/P19730001277 |
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Biosynthesis of rotenoids. Chalcone, isoflavone, and rotenoid stages in the formation of amorphigenin by Amorpha fruticosa seedlings Leslie Crombie Paul M. Dewick and Donald A. Whiting pg 1285; DOI: 10.1039/P19730001285 |
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Syntheses of derivatives of L-tolyposamine and L-forosamine John S. Brimacombe Landis W. Doner Anthony J. Rollins and Adnan K. Al-Radhi pg 1295; DOI: 10.1039/P19730001295 |
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Keten. Part XII. Addition reactions of ketens with azo-compounds Gerald Brooks Munawer A. Shah and Giles A. Taylor pg 1297; DOI: 10.1039/P19730001297 |
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Reactions of 1-substituted 2,2,3,4,4-pentamethylphosphetans with hexafluoroacetone and the 19F nuclear magnetic resonance spectra of the resulting 1,3,2-dioxaphospholans Robert K. Oram and Stuart Trippett pg 1300; DOI: 10.1039/P19730001300 |
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o-Nitroaniline derivatives. Part III. Cyclisation of N-p-nitrobenzyl-N-p-tolylsulphonyl-o-nitroaniline by sodium methoxide: formation of an N-methoxybenzimidazole derivative Hamish McNab and David M. Smith pg 1310; DOI: 10.1039/P19730001310 |
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Cyclic amidines. Part XXV. Derivatives of 1-alkyl-2-aminoquinolin-4(1H)-ones and 2,3-dihydroimidazo[1,2-a]quinolin-5(1H)-one Raymond J. Grout Brian M. Hynam and Maurice W. Partridge pg 1314; DOI: 10.1039/P19730001314 |
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Total synthesis of nuclear analogues of 7-methylcephalosporin David M. Brunwin and Gordon Lowe pg 1321; DOI: 10.1039/P19730001321 |
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Studies in the xanthone series. Part XII. A general synthesis of polyoxygenated xanthones from benzophenone precursors Augustus J. Quillinan and Feodor Scheinmann pg 1329; DOI: 10.1039/P19730001329 |
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Addition reactions of heterocyclic compounds. Part LII. Further adducts from substituted 2-methylquinolines and dimethyl acetylenedicarboxylate R. Morrin Acheson and Donald F. Nisbet pg 1338; DOI: 10.1039/P19730001338 |
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Allenes. Part XXVII. Reaction of dialkyl(lithio)copper reagents with 1-bromoallenes, 1-iodoallenes, and 3-chloroalk-1-ynes Michael Kalli Phyllis D. Landor and Stephen R. Landor pg 1347; DOI: 10.1039/P19730001347 |
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Allenes. Part XXVIII. Synthesis of antibiotic lactols and an allenic ester by Claisen rearrangement of prop-2-ynyl vinyl ethers Donald K. Black Zacharias T. Fomum Phyllis D. Landor and Stephen R. Landor pg 1349; DOI: 10.1039/P19730001349 |
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Naturally occurring quinones. Part XXII. Terpenoid quinones in Cordia spp. Michael Moir and Ronald H. Thomson pg 1352; DOI: 10.1039/P19730001352 |
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Stable heterocyclic primary nitroso-amines Richard N. Butler Terence M. Lambe James C. Tobin and Francis L. Scott pg 1357; DOI: 10.1039/P19730001357 |
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17,21-Dihydroxy-5-pregn-2-ene-1,11,20-trione, a new analogue of cortisone. Methods for distinguishing between 2-1-oxo- and 1-3-oxo-steroids John J. Schneider pg 1361; DOI: 10.1039/P19730001361 |
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Equilibrations of 3-methoxycarbonylcycloalkenones Jerry A. Hirsch and Lynda Y. Lin pg 1366; DOI: 10.1039/P19730001366 |
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The megalomicins. Part III. D-Rhodosamine, a new dimethylamino-sugar Alan K. Mallams pg 1369; DOI: 10.1039/P19730001369 |
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The megalomicins. Part IV. The structures of megalomicins A, B, C1, and C2 Robert S. Jaret Alan K. Mallams and Hans Reimann pg 1374; DOI: 10.1039/P19730001374 |
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The megalomicins. Part V. Mass spectral studies Robert S. Jaret Alan K. Mallams and H. Frederick Vernay pg 1389; DOI: 10.1039/P19730001389 |
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The relayed introduction of alkylthio-groups into carbohydrate derivatives: a novel synthesis of amicetose Geoffery S. Bethell and Robert J. Ferrier pg 1400; DOI: 10.1039/P19730001400 |
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Reactions involving fluoride ion. Part VI. Reactions of tetrafluoroethylene with pentafluoropyridine and tetrafluoropyridazine Richard D. Chambers and Michael Y. Gribble pg 1405; DOI: 10.1039/P19730001405 |
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Reactions involving fluoride ion. Part VII. Reactions of polyfluoroethylenes with pentafluoropyridine and tetrafluoropyridazine Richard D. Chambers and Michael Y. Gribble pg 1411; DOI: 10.1039/P19730001411 |
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Natural and synthetic pyrrol-2-ylpolyenes Yasmeen Badar William J. S. Lockley Trevor P. Toube Basil C. L. Weedon and L. R. Guy Valadon pg 1416; DOI: 10.1039/P19730001416 |
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Additions to porphins involving the formation of new carbon–carbon bonds Henry J. Callott Alan W. Johnson and Anthony Sweeney pg 1424; DOI: 10.1039/P19730001424 |
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Reactions of bromonitroalkenes with tervalent phosphorus. Part I. Reaction in aprotic solvents Celestine J. Devlin and Brian J. Walker pg 1428; DOI: 10.1039/P19730001428 |
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Isoindole Raymond Bonnett Roger F. C. Brown and Roy G. Smith pg 1432; DOI: 10.1039/P19730001432 |
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Lichens and fungi. Part XI. Isolation and structural elucidation of a new group of triterpenes from Sticta coronata, S. colensoi, and S. flavicans Wah J. Chin R. Edward Corbett Ching K. Heng and Alistair L. Wilkins pg 1437; DOI: 10.1039/P19730001437 |
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Polar addition of olefins. Part I. Stereochemistry of the halogenation of cis- and trans-2-t-butylstyrene. Rotational isomerism of the products Raymond J. Abraham and Jose R. Monasterios pg 1446; DOI: 10.1039/P19730001446 |
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Cyclohexenone derivatives. Part VII. Novel aromatisation reaction of some aryloxocyclohexenylacetic acid derivatives Dhanonjoy Nasipuri Swadesh R. Roy Choudhury and Amitava Bhattacharya pg 1451; DOI: 10.1039/P19730001451 |
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Reactions of acylated pentoses and acylated methyl pentosides with dibromomethyl methyl ether. Preparation of bromo-deoxy-pentoses Klaus Bock Christian Pedersen and Poul Rasmussen pg 1456; DOI: 10.1039/P19730001456 |
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Regiospecific syntheses of modified steroid hormones. Part V. 6-Fluoro-7-hydroxy-17-oestradiol, 7-fluoro-6-hydroxy-17-oestradiol, and 7-fluoro-17-oestradiol M. Neeman Y. Osawa and T. Mukai pg 1462; DOI: 10.1039/P19730001462 |
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A novel synthesis of an ochotensine-type isoquinoline by thermolysis Tetsuji Kametani Tamiko Takahashi and Kunio Ogasawara pg 1464; DOI: 10.1039/P19730001464 |
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Studies on the syntheses of heterocyclic compounds. Part DXXVI. A novel synthesis of isopavine-type alkaloids. Total synthesis of ()-reframidine Tetsuji Kametani Shoji Hirata and Kunio Ogasawara pg 1466; DOI: 10.1039/P19730001466 |
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The photochemistry of ketones derived from carbohydrates. Part IV. Photochemical additions of 2,3-dimethylbut-2-ene to 1,5-anhydrohex-enuloses Peter M. Collins and Brian R. Whitton pg 1470; DOI: 10.1039/P19730001470 |
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Rearrangements of the gibbane skeleton during reactions with 2,3-di-chloro-5,6-dicyanobenzoquinone Brian E. Cross and Roger E. Markwell pg 1476; DOI: 10.1039/P19730001476 |
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Fungal products. Part V. The absolute stereochemistry of colletodiol and the structures of related metabolites of Colletotrichum capsici Jake MacMillan and Thomas J. Simpson pg 1487; DOI: 10.1039/P19730001487 |
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Microbiological hydroxylation of steroids. Part VII. The pattern of dihydroxylation of mono-oxo-5-androstanes and -5-estranes with the fungus Rhizopus nigricans John W. Browne William A. Denny Sir Ewart R. H. Jones G. Denis Meakins Yasu Morisawa Anthony Pendlebury and John Pragnell pg 1493; DOI: 10.1039/P19730001493 |
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Microbiological hydroxylation of steroids. Part VIII. The pattern of monohydroxylation of diketones and keto-alcohols derived from 5-androstane with cultures of the fungus, Rhizopus nigricans (Mrs.) Virginia E. M. Chambers William A. Denny John M. Evans Sir Ewart R. H. Jones Alexander Kasal G. Denis Meakins and John Pragnell pg 1500; DOI: 10.1039/P19730001500 |
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1,4,6-Trimethylanthracene and 1,4,6-trimethylfluorene. N.m.r. spectra of methylfluorenes William Carruthers and David Whitmarsh pg 1511; DOI: 10.1039/P19730001511 |
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Enamine chemistry. Part XVII. Reaction of -unsaturated acid chlorides with enamines. Further mechanistic investigations. Effect of triethylamine on the reaction path Peter W. Hickmott Geoffrey J. Miles George Sheppard Raymond Urbani and Charles T. Yoxall pg 1514; DOI: 10.1039/P19730001514 |
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Chemical modification of trehalose. Part XIV. Some tetra- and hexadeoxy-derivatives and their amino-analogues Anthony C. Richardson and Edward Tarelli pg 1520; DOI: 10.1039/P19730001520 |
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Sucrochemistry. Part XII. Reaction of sucrose with sulphuryl chloride John M. Ballard Leslie Hough Anthony C. Richardson and Peter H. Fairclough pg 1524; DOI: 10.1039/P19730001524 |
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Constituents of the higher fungi. Part XII. Identification of involutin as (–)-cis-5-(3,4-dihydroxyphenyl)-3,4-dihydroxy-2-(4-hydroxyphenyl)-cyclopent-2-enone and synthesis of ()-cis-involutin trimethyl ether from isoxerocomic acid derivatives Raymond L. Edwards and Melvyn Gill pg 1529; DOI: 10.1039/P19730001529 |
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Constituents of the higher fungi. Part XIII. 2-Aryl-3-methoxymaleic anhydrides from pulvinic acid derivatives. A convenient method for determination of structure of fungal and lichen pulvinic acid derivatives Raymond L. Edwards and Melvyn Gill pg 1538; DOI: 10.1039/P19730001538 |
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Valence-bond isomer chemistry. Part IV. The valence-bond isomers of pentakis(pentafluoroethyl)pyridine Michael G. Barlow Robert N. Haszeldine and John G. Dingwall pg 1542; DOI: 10.1039/P19730001542 |
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Biosynthesis of porphyrins and related macrocycles. Part I. Synthesis of 14C-labelled pyrromethanes Alan R. Battersby David A. Evans Keith H. Gibson Edward McDonald and Leon Nixon pg 1546; DOI: 10.1039/P19730001546 |
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Naturally occurring quinones. Part XXIII. Cordiachromes from Patagonula americana L. Michael Moir and Ronald H. Thomson pg 1556; DOI: 10.1039/P19730001556 |
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Polyfluoroalkyl derivatives of nitrogen. Part XL. Reaction of trifluoronitrosomethane with NN-bistrifluoromethylamino-substituted allenes David H. Coy Robert N. Haszeldine Michael J. Newlands and Anthony E. Tipping pg 1561; DOI: 10.1039/P19730001561 |
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Some dehydrogenation reactions of steroidal arylhydrazones Derek H. R. Barton John C. Coll John F. McGarrity and David A. Widdowson pg 1565; DOI: 10.1039/P19730001565 |
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Photochemical transformations. Part XXX. Photolysis of thiobenzoic acid O-esters. Part I. Photolysis of O-cholesteryl thiobenzoate Selim Achmatowicz Derek H. R. Barton Philip D. Magnus Gerald A. Poulton and Peter J. West pg 1567; DOI: 10.1039/P19730001567 |
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Photochemical transformations. Part XXXI. Photolysis of thiobenzoic acid O-esters. Part II. General methods for the preparation of thiobenzoic acid O-esters Derek H. R. Barton Claude Chavis Moses K. Kaloustian Philip D. Magnus Gerald A. Poulton and Peter J. West pg 1571; DOI: 10.1039/P19730001571 |
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Photochemical transformations. Part XXXII. Photolysis of thiobenzoic acid O-esters. Part III. Photolysis of O-phenethyl thiobenzoates and other thiobenzoates Derek H. R. Barton Michael Bolton Philip D. Magnus Keshav G. Marathe Gerald A. Poulton and Peter J. West pg 1574; DOI: 10.1039/P19730001574 |
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Photochemical transformations. Part XXXIII. Photolysis of thiobenzoic acid O-esters. Part IV. Photolysis of O-phenethyl thiobenzoate derivatives and the formation of thioketones Derek H. R. Barton Michael Bolton Philip D. Magnus and Peter J. West pg 1580; DOI: 10.1039/P19730001580 |
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Isolation and some reactions of lanosterol. A synthesis of agnosterol Robin B. Boar Dennis A. Lewis and James F. McGhie pg 1583; DOI: 10.1039/P19730001583 |
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Reactions of 2-aminobenzimidazoles with propiolic esters and diethyl ethoxymethylenemalonate David W. Dunwell and Delme Evans pg 1588; DOI: 10.1039/P19730001588 |
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Fusicoccin. Part III. The structure of fusicoccin H Kevin D. Barrow Derek H. R. Barton Sir Ernst Chain Ulrich F. W. Ohnsorge and Ram P. Sharma pg 1590; DOI: 10.1039/P19730001590 |
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The structure of fissinolide and angustidienolide, limonoids from species of meliaceae David A. H. Taylor and Felix W. Wehrli pg 1599; DOI: 10.1039/P19730001599 |
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Further examination of the reactions of simple indoles with arenesulphonyl azides A. Sydney Bailey and Alan J. Buckley pg 1602; DOI: 10.1039/P19730001602 |
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Studies on heterocyclic chemistry. Part XVI. Reaction of 4-o-nitrobenzylidene-2-pyrazolin-5-ones with trialkyl phosphites: synthesis of phosphorus-substituted pyrazolo[3,4-b]quinoline derivatives Tarozaemon Nishiwaki Genji Fukuhara and Tamiyoshi Takahashi pg 1606; DOI: 10.1039/P19730001606 |
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Studies of enzyme-mediated reactions. Part III. Stereoselective labelling at C-2 of tyramine: stereochemistry of hydroxylation at saturated carbon Alan R. Battersby John E. Kelsey James Staunton and Keith E. Suckling pg 1609; DOI: 10.1039/P19730001609 |
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Pteridine studies. Part XLIII. Reactions of pteridine with some Michael reagents Adrien Albert and Hatsuhiko Mizuno pg 1615; DOI: 10.1039/P19730001615 |
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v-Triazolo[4,5-d]pyrimidines (8-azapurines). Part XII. Cleavage of the pyrimidine ring in 8-azapurines by some active methylene reagents and eventual closure to give v-triazolo[4,5-b]pyridines Adrien Albert and William Pendergast pg 1620; DOI: 10.1039/P19730001620 |
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v-Triazolo[4,5-d]pyrimidines (8-azapurines). Part XIII. Reaction of 8-azapurines with bifunctional nucleophiles Adrien Albert and William Pendergast pg 1625; DOI: 10.1039/P19730001625 |
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1,2,3-Triazoles. Part I. Some 4-aminotriazole-5-carbaldehydes Adrien Albert and Hiroyasu Taguchi pg 1629; DOI: 10.1039/P19730001629 |
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1,2,3-Triazoles. Part II. 4-Amino-5-aminomethyl-1,2,3-triazoles Adrien Albert pg 1634; DOI: 10.1039/P19730001634 |
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Long-chain phenols. Part III. Identification of the components of a novel phenolic fraction in anacardium occidentale(cashew nut-shell liquid) and synthesis of the saturated member John H. P. Tyman pg 1639; DOI: 10.1039/P19730001639 |
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Cyclisation of biphenyl-2-carboxamides Stephen A. Glover André Goosen and Hugh A. H. Laue pg 1647; DOI: 10.1039/P19730001647 |
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Reactions of cyclohexadienes. Part XIII. Catalytic conversion of 1-methoxycyclohexa-1,4-dienes into 1-methoxycyclohexa-1,3-dienes Arthur J. Birch and Khurshid P. Dastur pg 1650; DOI: 10.1039/P19730001650 |
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A synthesis of (–)-(R)-trans--(1,2,3-trimethylcyclopent-2-enyl)acrylic acid Ian Fleming and R. B. Woodward pg 1653; DOI: 10.1039/P19730001653 |
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The intramolecular reaction between a diazoalkane group and an ester group: the first example Eric H. Billett and Ian Fleming pg 1658; DOI: 10.1039/P19730001658 |
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The intramolecular reaction between a diazoalkane group and an ester group: a search for other examples Eric H. Billett Ian Fleming and Steven W. Hanson pg 1661; DOI: 10.1039/P19730001661 |
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The intramolecular reaction between a diazoalkane group and an ester group: the second example Ian Fleming and Steven W. Hanson pg 1669; DOI: 10.1039/P19730001669 |
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Modifications of lincomycin involving the carbohydrate portion. Part III. The 7-O-methyl and 6-de-(1-hydroxyethyl) analogues Brian Bannister pg 1676; DOI: 10.1039/P19730001676 |
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Medicinal nitro-compounds. Part I. Photo-rearrangement of N-aryl-2-nitrobenzamides Brian C. Gunn and Malcolm F. G. Stevens pg 1682; DOI: 10.1039/P19730001682 |
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Polyhalogeno-aromatic compounds. Part XXVII. Reactions of polyhalogenopyridines and their N-oxides with benzenethiols, with nitrite, and with trialkyl phosphites, and of pentachloropyridine N-oxide with magnesium Jack Bratt and Hans Suschitzky pg 1689; DOI: 10.1039/P19730001689 |
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Thermal rearrangements of 2,3-diphenyl-2H-azirine John H. Bowie and Brian Nussey pg 1693; DOI: 10.1039/P19730001693 |
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Photocyclisation of enamides. Part II. Photocyclisation of N-benzoyl enamines of 1-tetralone to benzo[c]phenanthridines Ichiya Ninomiya Takeaki Naito Toshiko Kiguchi and Takako Mori pg 1696; DOI: 10.1039/P19730001696 |
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Diterpenoids of Leonotis species. Part IV. Dubiin, a furanoid labdane derivative from L. dubia E. Mey Garth A. Eagle and Douglas E. A. Rivett pg 1701; DOI: 10.1039/P19730001701 |
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Aromatization of some steroidal enediols Derek Baldwin James R. Hanson and Ann M. Holtom pg 1704; DOI: 10.1039/P19730001704 |
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Reaction of benzylidenecyclohexanone with borane Esra Dunkelblum and Dorit Hoffer pg 1707; DOI: 10.1039/P19730001707 |
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Reactions involving fluoride ion. Part VIII. Syntheses from perfluorocycloalkenes Richard D. Chambers Michael Y. Gribble and Eric Marper pg 1710; DOI: 10.1039/P19730001710 |
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Reactions involving fluoride ion. Part IX. Syntheses involving octafluoroisobutene Stephen L. Bell Richard D. Chambers Michael Y. Gribble and Jerzy R. Maslakiewicz pg 1716; DOI: 10.1039/P19730001716 |
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Purines, pyrimidines, and imidazoles. Part XL. A new synthesis of a D-ribofuranosylamine derivative and its use in the synthesis of pyrimidine and imidazole nucleosides Noel J. Cusack Brian J. Hildick David H. Robinson Peter W. Rugg and Gordon Shaw pg 1720; DOI: 10.1039/P19730001720 |
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Synthesis and transformations of phthalanylideneammonium salts Gerhard V. Boyd pg 1731; DOI: 10.1039/P19730001731 |
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Dalbergia species. Part IX. Phytochemical examination of Dalbergia stevensonii standl Dervilla M. X. Donnelly John C. Thompson W. B. Whalley and Saboor Ahmad pg 1737; DOI: 10.1039/P19730001737 |
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Marine steroids. Part I. Structures of the principal aglycones from the saponins of the starfish, Marthasterias glacialis Derek S. H. Smith Alan B. Turner and Alexander M. Mackie pg 1745; DOI: 10.1039/P19730001745 |
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Synthetic studies in the diterpene series. Part IX. Synthesis of 1,2,3,4-tetrahydro-1,1,5,7-tetramethyl-6-(3-methylpentyl)naphthalene (Ruzicka's hydrocarbon) Dhanonjoy Nasipuri Ila De Dalal and Dibyendu N. Roy pg 1754; DOI: 10.1039/P19730001754 |
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Reactions of cyclohexadienes. Part XIV. Addition reactions of dienamines and electrophilic olefins Arthur J. Birch and Ewen G. Hutchinson pg 1757; DOI: 10.1039/P19730001757 |
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Terpenoids. Part XXV. Structures and absolute configurations of isodoacetal, nodosinin, and odonicin, novel diterpenoids of Isodon japonicus Eiichi Fujita Manabu Taoka Yoshimitsu Nagao and Tetsuro Fujita pg 1760; DOI: 10.1039/P19730001760 |
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Esters of furan-, thiophen-, and N-methylpyrrole-2-carboxylic acids. Bromination of methyl furan-2-carboxylate, furan-2-carbaldehyde, and thiophen-2-carbaldehyde in the presence of aluminium chloride Derek J. Chadwick John Chambers G. Denis Meakins and Roger L. Snowden pg 1766; DOI: 10.1039/P19730001766 |
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Cyclopropane chemistry. Part III. Thermal decomposition of some halogenopolyfluorocyclopropanes J. Michael Birchall Roy Fields Robert N. Haszeldine and Norman T. Kendall pg 1773; DOI: 10.1039/P19730001773 |
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Synthesis of a benzo[a]fluorenone lactone related to etiojervine Sunil K. Roy pg 1780; DOI: 10.1039/P19730001780 |
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Synthesis of unsaturated sulphur compounds containing seventeen-and twenty-one-membered rings Terry M. Cresp and Melvyn V. Sargent pg 1786; DOI: 10.1039/P19730001786 |
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Unsaturated carbohydrates. Part XVII. Synthesis of branched-chain sugar derivatives by application of the Claisen rearrangement Robert J. Ferrier and Nadarajah Vethaviyasar pg 1791; DOI: 10.1039/P19730001791 |
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Cleavage of pyrimidines and fused pyrimidines by active methylene reagents with closure to give pyridine derivatives Adrien Albert and William Pendergast pg 1794; DOI: 10.1039/P19730001794 |
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Valence-bond isomer chemistry. Part V. Hexafluorobicyclo[2.2.0]-hexa-2,5-diene and its derivatives as dipolarophiles Michael G. Barlow Robert N. Haszeldine William D. Morton and David R. Woodward pg 1798; DOI: 10.1039/P19730001798 |
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Coumarins and related compounds. Part XIX. Synthesis of 3-phenyl-benzo[h]coumarin Arun K. Das Gupta and Rabindra M. Chatterje pg 1802; DOI: 10.1039/P19730001802 |
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Studies in terpenoids. Part XXIII. An approach to the 1-aryl-1,2,2-trimethylcyclopentane skeleton by intramolecular ketocarbene insertion. Synthesis of -cuparenone Ramachandra B. Mane and G. S. Krishna Rao pg 1806; DOI: 10.1039/P19730001806 |
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Further examination of the reactions between arenesulphonyl azides and tetrahydrocarbazoles A. Sydney Bailey Alan J. Buckley and John F. Seager pg 1809; DOI: 10.1039/P19730001809 |
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Studies on the metabolites of Verticillium sp. Structures of verticillins A, B, and C Hitoshi Minato Makoto Matsumoto and Teruaki Katayama pg 1819; DOI: 10.1039/P19730001819 |
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The biosynthesis of phenols. Part XXIV. Arugosin C, a metabolite of a mutant strain of Aspergillus rugulosus James A. Ballantine Victor Ferrito Cedric H. Hassall and Malcolm L. Jenkins pg 1825; DOI: 10.1039/P19730001825 |
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Some observations on the preparation of 2-hydroxy-steroid 4-En-3-ones Raymond D. Burnett and David N. Kirk pg 1830; DOI: 10.1039/P19730001830 |
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6,7-Unsaturated 5-steroids as intermediates for labelling with isotopic hydrogen David N. Kirk and David R. A. Leonard pg 1836; DOI: 10.1039/P19730001836 |
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Rearrangement reactions of bicyclic systems. Part I. Synthesis of a model compound related to flavothebaone trimethyl ether. The abnormal ultraviolet absorption spectrum of flavothebaone and its trimethyl ether Harry Heaney John H. Hollinshead Gordon W. Kirby Steven V. Ley Ram Prakash Sharma and Kenneth W. Bentley pg 1840; DOI: 10.1039/P19730001840 |
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Total synthesis of ()-seychellene Narihiko Fukamiya Michiharu Kato and Akira Yoshikoshi pg 1843; DOI: 10.1039/P19730001843 |
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Studies on conformation and reactivity. Part XII. Acetolysis and stereospecific rearrangement of 4-bromocholest-4-en-3-one Toshitaka Koga and Munemitsu Tomoeda pg 1848; DOI: 10.1039/P19730001848 |
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Metal hydride reduction of 9-anthryl ketones. Steric influence on reaction path Hugh J. Williams pg 1852; DOI: 10.1039/P19730001852 |
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Clarification of the ring-closure of certain 4,5-diaminopyrimidines to 6-substituted 8-alkylpurines Carmen V. Z. Smith Roland K. Robins and Richard L. Tolman pg 1855; DOI: 10.1039/P19730001855 |
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The allyl ether as a protecting group in carbohydrate chemistry. Part IV. The 2-methylallyl ether group Patricia A. Gent Roy Gigg and Roy Conant pg 1858; DOI: 10.1039/P19730001858 |
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The chemistry of 2,1-benzisothiazoles. Part VI. Quaternary salts and their decomposition by base to o-aminobenzaldehydes Michael Davis Enno Homfeld and K. S. Lal Srivastava pg 1863; DOI: 10.1039/P19730001863 |
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Preparation and stability of 4-fluoropyridine Prabhakar B. Desai pg 1865; DOI: 10.1039/P19730001865 |
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Stereochemical studies on aromatic -alkyl--amino-acids. Part III. Absolute configuration of 2-amino-2-phenylbutyric acid Juan A. Garbarino Jorge Sierra and Ricardo Tapia pg 1866; DOI: 10.1039/P19730001866 |
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Oxidative dimerizations of (E)- and (Z)-isoeugenol (2-methoxy-4-pro-penylphenol) and (E)- and (Z)-2,6-dimethoxy-4-propenylphenol Kyösti V. Sarkanen and Adrian F. A. Wallis pg 1869; DOI: 10.1039/P19730001869 |
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Oxidative dimerization of methyl (E)-4-hydroxy-3,5-di-t-butylcinnamate with potassium ferricyanide Kyösti V. Sarkanen and Adrian F. A. Wallis pg 1878; DOI: 10.1039/P19730001878 |
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Organometallic complexes in synthesis. Part IV. Abstraction of hydride from some tricarbonylcyclohexa-1,3-dieneiron complexes and reactions of the complexed cations with some nucleophiles Arthur J. Birch Kevin B. Chamberlain Michael A. Haas and David J. Thompson pg 1882; DOI: 10.1039/P19730001882 |
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Organometallic complexes in synthesis. Part V. Some tricarbonyliron derivatives of cyclohexadienecarboxylic acids Arthur J. Birch and David H. Williamson pg 1892; DOI: 10.1039/P19730001892 |
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Organometallic complexes in synthesis. Part VI. Some oxidative cyclisations of tricarbonylcyclohexadieneiron complexes Arthur J. Birch Kevin B. Chamberlain and David J. Thompson pg 1900; DOI: 10.1039/P19730001900 |
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A concise synthesis of substituted 4-alkylaminopyrazolo[3,4-d]pyrimidines Sidney M. Hecht and Dieter Werner pg 1903; DOI: 10.1039/P19730001903 |
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Purine studies. Part VIII. Formation of alkylthiopurines from 4,5-di-aminopyrimidine- or purine-thiones by means of orthoester–anhydride mixtures Rodney J. Badger Desmond J. Brown and John H. Lister pg 1906; DOI: 10.1039/P19730001906 |
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Absolute configuration of the CH(OMe)CHMe system in the phthiocerols Kenneth Maskens and Nicholas Polgar pg 1909; DOI: 10.1039/P19730001909 |
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Site specificity of [3,3] sigmatropic rearrangements of 3-allyl- and 3-(prop-2-ynyl)-3H-indoles Robert K. Bramely Joseph Caldwell and Ronald Grigg pg 1913; DOI: 10.1039/P19730001913 |
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Constituents of the higher fungi. Part XIV. 3,4,4-Trihydroxypulvinone, thelephoric acid, and novel pyrandione and furanone pigments from Suillus grevillei(Klotsch) Sing. [Boletus elegans(Schum. per Fries)] Raymond L. Edwards and Melvyn Gill pg 1921; DOI: 10.1039/P19730001921 |
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Unconventional nucleotide analogues. Part IX. N-substituted 3-( pyrimidin-1-yl)pyrrolidin-2-ones Gerrit J. Koomen and Upendra K. Pandit pg 1929; DOI: 10.1039/P19730001929 |
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Unconventional nucleotide analogues. Part X. Synthesis of N-substituted 3-(adenin-9-yl)pyrrolidin-2-ones Gerrit J. Koomen Abraham P. Kroon Franciso R. Mas Cabré Alfred P. Goores Rob Peereboom and Upendra K. Pandit pg 1934; DOI: 10.1039/P19730001934 |
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Microbial modification of diosgenin and hecogenin Ralph Howe Ronald H. Moore Balbir S. Rao and David T. Gibson pg 1940; DOI: 10.1039/P19730001940 |
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Some reactions of 3-diazo-1-methyl-2-p-tolylsulphonyliminoindoline and of 2-arylsulphonylimino-1-methylindolines A. Sydney Bailey and Alan J. Buckley pg 1943; DOI: 10.1039/P19730001943 |
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Base-promoted rearrangement of 2,3,5,6-tetrachloropentacyclo-[5.4.0.02,6.03,10.05,9]undecane-4,8,11-trione Alan P. Marchand and Teh-chang Chou pg 1948; DOI: 10.1039/P19730001948 |
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Photoreactions of 3a,7a-dihydro-3,3a,5,6-tetraphenylinden-1 -one David W. Jones pg 1951; DOI: 10.1039/P19730001951 |
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Reaction of benzofurazan oxides with sodium azide; a new synthesis of benzofurazans L. Di Nunno S. Florio and P. E. Todesco pg 1954; DOI: 10.1039/P19730001954 |
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Organometallic derivatives. Part VI. Synthesis and reactivity of some (ferrocenylmethyl)phosphines George Marr and Trevor M. White pg 1955; DOI: 10.1039/P19730001955 |
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Claisen rearrangement of tropolone ethers. Part II. Roy M. Harrison and John D. Hobson pg 1958; DOI: 10.1039/P19730001958 |
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Claisen rearrangement of tropolone ethers. Part III Roy M. Harrison John D. Hobson and Alan W. Midgley pg 1960; DOI: 10.1039/P19730001960 |
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18-Norandrosta-8,11,13-trienes. Part I. 11-Hydroxy-derivatives Colin L. Hewett Samuel G. Gibson Iain M. Gilbert James Redpath and David S. Savage pg 1967; DOI: 10.1039/P19730001967 |
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Friedel–Crafts acylation–cyclisation reactions of 3-bromophenyl ethers with phosphorus trichloride and oxalyl chloride to give the corresponding phenoxaphosphine and xanthen-9-one derivatives Itshak Granoth Yoffi Segall and Asher Kalir pg 1972; DOI: 10.1039/P19730001972 |
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Pteridine studies. Part XLIV. Self-condensation of some methylpteridines, and reactions with other nucleophiles Adrien Albert and Hatsuhiko Mizuno pg 1974; DOI: 10.1039/P19730001974 |
 -Complex formation and aromatic substitution with thiolates and nitroaryl thioethersGino Biggi and Francesco Pietra pg 1980; DOI: 10.1039/P19730001980 |
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Synthesis of a 1,2,3,6b,7,8,12b,12c-octahydrobenzo[j]fluoranthene David Kidd and (Mrs.) Berit Viig Swingland pg 1983; DOI: 10.1039/P19730001983 |
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Studies related to dihydro-1,4-thiazines. Part III. Transformations of methyl (6S)-7-hydroxy-5,5,9,9-tetramethyl-8-oxa-4-thia-1-azabicyclo-[4.3.0]non-2-ene-3-carboxylate John Kitchin and Richard J. Stoodley pg 1985; DOI: 10.1039/P19730001985 |
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Total synthesis of ()-trichodermin Ernest W. Colvin Swiatoslaw Malchenko Ralph A. Raphael and James S. Roberts pg 1989; DOI: 10.1039/P19730001989 |
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The deamination of pyranose amines. Part II. Methyl 2-amino-2-deoxy--D-mannopyranoside Jeffery W. Llewellyn and J. Michael Williams pg 1997; DOI: 10.1039/P19730001997 |
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Synthesis of -amino-acid peptides by aminolysis of substituted di-hydro-1,3-oxazinones and amino-protected -lactams Charles N. C. Drey John Lowbridge and Richard J. Ridge pg 2001; DOI: 10.1039/P19730002001 |
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Reaction between 2-phenyl-1,3-benzodioxole and n-butyl-lithium; an unsuccessful attempt to synthesize benzyne E. J. Thomas pg 2006; DOI: 10.1039/P19730002006 |
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Reactions of some -unsaturated pyrazolyl compounds with bromine and with grignard reagents Ivor F. Finar and Eric Okoh pg 2008; DOI: 10.1039/P19730002008 |
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Chemistry of hop constituents. Part XXXIX. A novel alkenylation reaction giving hop constituents and related compounds Malcom Collins and Derek R. J. Laws pg 2013; DOI: 10.1039/P19730002013 |
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Stereospecific formation of a vinyl sulphide via a sulphonium ylide–salt coupling reaction Christoph F. Garbers A. Johan H. Labuschagne Cornelius J. Meyer and David F. Schneider pg 2016; DOI: 10.1039/P19730002016 |
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Reactions of some 6-mercapto-8-(3-pyridyl)purines with methyl iodide Mordechai Kleiner pg 2019; DOI: 10.1039/P19730002019 |
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Synthesis of 2,3-dihydrothiazolo[3,2-c]pyrimidines George R. Brown pg 2022; DOI: 10.1039/P19730002022 |
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Synthesis of -lactams by photolytic Wolff rearrangement Gordon Lowe and Damon D. Ridley pg 2024; DOI: 10.1039/P19730002024 |
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Rearrangement of cyclopropyl epoxides to 3,6-dihydro-2H-pyrans John A. Donnelly James G. Hoey Simon O'Brien and John O'Grady pg 2030; DOI: 10.1039/P19730002030 |
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Fungal metabolites. Part I. Stereochemical features and mass spectrometry of secalonic acids Colin C. Howard and Robert A. W. Johnstone pg 2033; DOI: 10.1039/P19730002033 |
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v-Triazolo[4,5-d]pyrimidines (8-azapurines). Part XIV. Synthesis of 6-unsubstituted 8-azapurines from ring N-alkylated 4-amino-1,2,3-tri-azole-5-carbaldehydes Adrien Albert and Hiroyasu Taguchi pg 2037; DOI: 10.1039/P19730002037 |
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An assessment of the fractionation of carbohydrates on Concanavalin A–Sepharose 4B by affinity chromatography John F. Kennedy and Alan Rosevear pg 2041; DOI: 10.1039/P19730002041 |
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Structure of dibromoticonine, a bromination product of nicotine Herbert McKennis jun. Edward R. Bowman Louis D. Quin and Ronald C. Denney pg 2046; DOI: 10.1039/P19730002046 |
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N-quaternary compounds. Part XXXIV. Addition of pyridine-2-thiones to -bromo--unsaturated cyclic ketones Reidar Lie and Kjell Undheim pg 2049; DOI: 10.1039/P19730002049 |
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Isomerisation and addition reactions of some monoterpene–tricarbonyliron complexes Derek V. Banthorpe Harry Fitton and Jack Lewis pg 2051; DOI: 10.1039/P19730002051 |
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The chemistry of 2,1-benzisothiazoles. Part VII. Reaction of -substituted o-toluidines with thionyl chloride. A one-stage synthesis of 2,1-benzisothiazole-3-carboxylic acid Michael Davis Terry G. Paproth and Laurence J. Stephens pg 2057; DOI: 10.1039/P19730002057 |
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Lignans and related phenols. Part XIV. Selective oxidation of aryltetrahydronaphthalenes David C. Ayres and John A. Harris pg 2059; DOI: 10.1039/P19730002059 |
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Enamine chemistry. Part XVIII. Reaction of crotonoyl and methacryloyl chlorides with dialkyl 4-(pyrrolidin-1-yl)cyclohex-3-ene-1,1-dicarboxylates. One-step synthesis of adamantanes Peter W. Hickmott Hans Suschitzky and Raymond Urbani pg 2063; DOI: 10.1039/P19730002063 |
Phosphinidenes and related intermediates. Part I. Reactions of phosphinoylidenes (R–  O) and phosphinothioylidenes (R–S) with diethyl disulphideand benzilMasaaki Yoshifuji Shigenobu Nakayama Renji Okazaki and Naoki Inamoto pg 2065; DOI: 10.1039/P19730002065 |
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Phosphinidenes and related intermediates. Part II. Reactions of phosphonic or phosphonothioic dichlorides with benzil in the presence of an excess of magnesium. Formation of diphenylacetylene Shigenobu Nakayama Masaaki Yoshifuji Renji Okazaki and Naoki Inamoto pg 2069; DOI: 10.1039/P19730002069 |
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Analysis of structural characteristics of chemical compounds in a large computer-based file. Part V. More detailed cyclic fragments George W. Adamson Susan E. Creasey John P. Eakins and Michael F. Lynch pg 2071; DOI: 10.1039/P19730002071 |
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A general method for removal of a 4-methyl group from triterpenoids. Synthesis of 4-demethylglycyrrhetinic acid Keith F. Cohen Rymantas Kazlauskas and John T. Pinhey pg 2076; DOI: 10.1039/P19730002076 |
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Synthetic studies on terpenoids. Part XVI. Synthesis of 3,17-diacetoxyphyllocladen-15-one Debabrata Mukherjee Sunil Kumar Mukhopadhyay Kumur Kanti Mahalanabis Amitabha Das Gupta and Phanindra Chandra Dutta pg 2083; DOI: 10.1039/P19730002083 |
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Molecular design by cycloaddition reactions. Part IX. Further investigation of the cycloaddition reactions of pyridinium allylides [1-(1-pyridinio)prop-2-enides] to give indolizines Tadashi Sasaki Ken Kanematsu Akikazu Kakehi and Gin-ichi Ito pg 2089; DOI: 10.1039/P19730002089 |
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Synthesis and thermal reaction of pyridinium 3,3-diacyl-1-benzoylallylides [3,3-diacyl-1-benzoyl-1-(1-pyridinio)prop-2-enides]: formation of indolizine derivatives Yasumitsu Tamura Yoshio Sumida and Masazumi Ikeda pg 2091; DOI: 10.1039/P19730002091 |
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Synthesis of 9-methyl-19-norsteroids Robert V. Coombs Judit Koletar Robert Danna Henry Mah and Eugene Galantay pg 2095; DOI: 10.1039/P19730002095 |
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Studies related to penicillins. Part X. Some transformations of 4-iso-propylidene-3-oxo-7-phenoxyacetamidocepham Richard J. Stoodley and Nigel S. Watson pg 2105; DOI: 10.1039/P19730002105 |
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Synthesis of ()-camphor John C. Fairlie Gordon L. Hodgson and Thomas Money pg 2109; DOI: 10.1039/P19730002109 |
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Synthesis of ()-campherenone, ()-epicampherenone, ()--santalene, ()-epi--santalene, ()--santalene, ()-ylangocamphor, ()-copacamphor, and ()-sativene Gordon L. Hodgson D. F. MacSweeney and Thomas Money pg 2113; DOI: 10.1039/P19730002113 |
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Microbiological hydroxylation of steroids. Part IX. Hydroxylation of diketones and keto-alcohols derived from 5-androstane with the fungi Rhizopus arrhizus and Rhizopus circinnans. Steroidal 18- and 19-proton magnetic resonance signals Alan M. Bell Ian M. Clark William A. Denny Sir Ewart R. H. Jones G. Denis Meakins Wilhelm E. Müller and (Mrs.) Eva E. Richards pg 2131; DOI: 10.1039/P19730002131 |
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Microbiological hydroxylation of steroids. Part X. 1,11-Dihydroxylation of 3-hydroxy-5-pregnan-20-one and the hydroxylation of other 20-oxo-5-pregnanes with the fungus Aspergillus ochraceus Andrew S. Clegg William A. Denny Sir Ewart R. H. Jones G. Denis Meakins and John T. Pinhey pg 2137; DOI: 10.1039/P19730002137 |
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Synthesis and properties of thallium(III) porphyrin chelates Raymond J. Abraham Graham H. Barnett and Kevin M. Smith pg 2142; DOI: 10.1039/P19730002142 |
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Transformation of chlorins into bile pigment analogues José A. S. Cavaleiro and Kevin M. Smith pg 2149; DOI: 10.1039/P19730002149 |
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1,5-Radical rearrangements during oxaziridine–iron(II) reactions Edwin G. E. Hawkins pg 2155; DOI: 10.1039/P19730002155 |
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Naturally occurring compounds related to phenalenone. Part V. Synthetic approaches to structures based on 8,9-dihydro-8,8,9-trimethylphenaleno[1,2-b]furan-7-one David A. Frost and George A. Morrison pg 2159; DOI: 10.1039/P19730002159 |
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Isomeric spiro-diketones from 1,1-epoxybicyclohexyl-2-one Edwin G. E. Hawkins and Robert Large pg 2169; DOI: 10.1039/P19730002169 |
Carrageenans. Part VII. Polysaccharides from Eucheuma spinosum and Eucheuma cottonii. The covalent structure of  -carrageenanNorman S. Anderson Timothy C. S. Dolan and David A. Rees pg 2173; DOI: 10.1039/P19730002173 |
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Carrageenans. Part VIII. Repeating structures of galactan sulphates from Furcellaria fastigiata, Gigartina canaliculate, Gigartina chamissoi, Gigartina atropurpurea, Ahnfeltia durvillaei, Gymnogongrus furcellatus, Eucheuma cottonii, Eucheuma spinosum, Eucheuma isiforme, Eucheuma uncinatum, Aghardhiella tenera, Pachymenia hymantophora, and Gloiopeltis cervicornis Christopher J. Lawson David A. Rees Dimitri J. Stancioff and Norman F. Stanley pg 2177; DOI: 10.1039/P19730002177 |
Carrageenans. Part IX. Methylation analysis of galactan sulphates from Furcellaria fastigiata, Gigartina canaliculate, Gigartina chamissoi, Gigartina atropurpurea, Ahnfeltia durvillaei, Gymnogongrus furcellatus, Eucheuma isiforme, Eucheuma uncinatum, Aghardhiella tenera, Pachymenia hymantophora, and Gloiopeltis cervicornis. Structure of  -carrageenanAlistair Penman and David A. Rees pg 2182; DOI: 10.1039/P19730002182 |
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Carrageenans. Part X. Synthesis of 3,6-di-O-methyl-D-galactose, a new sugar from the methylation analysis of polysaccharides related to -carrageenan Alistair Penman and David A. Rees pg 2188; DOI: 10.1039/P19730002188 |
Carrageenans. Part XI. Mild oxidative hydrolysis of  - and -carrageenans and the characterisation of oligosaccharide sulphatesAlistair Penman and David A. Rees pg 2191; DOI: 10.1039/P19730002191 |
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Electrocyclic reactions. Part IV. Some reactions of 2,4-dibromo-1,5-diphenylpenta-1,4-dien-3-one (-dibromodibenzylideneacetone) Charles W. Shoppee and Burgess J. A. Cooke pg 2197; DOI: 10.1039/P19730002197 |
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Formation of styrene derivatives from dibromocarbene adducts of cyclohexa-1,4-dienes George M. Iskander pg 2202; DOI: 10.1039/P19730002202 |
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Steric and electrostatic effects in the addition of thiols to substituted norbornenes Maxwell J. Parrott and David I. Davies pg 2205; DOI: 10.1039/P19730002205 |
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Simmondsin, an unusual 2-cyanomethylenecyclohexyl glucoside from Simmondsia californica Carl A. Elliger Anthony C. Waiss jun. and Robert E. Lundin pg 2209; DOI: 10.1039/P19730002209 |
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Cope rearrangement of some germacrane-type furan sesquiterpenes. Part IV. Preparation of some cyclodeca-cis,trans-diene derivatives and their Cope rearrangements Ken'ichi Takeda Isao Horibe and Hitoshi Minato pg 2212; DOI: 10.1039/P19730002212 |
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Unusual base-induced transformations of 2,6-dihydroxyacetophenone oxime P. Crabbé A. Villarino and J. M. Muchowski pg 2220; DOI: 10.1039/P19730002220 |
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Isoflavonoid constituents of the heartwood of Cordyla africana Rodwill V. M. Campbell and James Tannock pg 2222; DOI: 10.1039/P19730002222 |
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Syntheses and properties of novel polyphosphines containing various combinations of primary, secondary, and tertiary phosphorus atoms R. B. King J. C. Cloyd jun. and Pramesh N. Kapoor pg 2226; DOI: 10.1039/P19730002226 |
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Tetra-alkylammonium cyanides as nucleophilic and basic reagents Donald A. White and Manuel M. Baizer pg 2230; DOI: 10.1039/P19730002230 |
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Potentially carcinogenic cyclopenta[a]phenanthrenes. Part VIII. Bromination of 17-ketones Maurice M. Coombs (Mrs.) Maureen Hall and Colin W. Vose pg 2236; DOI: 10.1039/P19730002236 |
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Some 5-unsubstituted acetylenic and vinylic 1,2,4-oxadiazoles John A. Claisse Michael W. Foxton Gordon I. Gregory Alan H. Sheppard Edward P. Tiley William K. Warburton and Michael J. Wilson pg 2241; DOI: 10.1039/P19730002241 |
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1,2-Sulphur shift in the acid-catalysed cyclisation of o-arylthiophenyl-substituted carbinols to thioxanthen derivatives Giuseppe Capozzi Giovanni Melloni and Giorgio Modena pg 2250; DOI: 10.1039/P19730002250 |
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Wittig reactions of 1,2-dihydro-1,2-bis(triphenylphosphoranylidene) benzocyclobutene. Synthesis of all-cis- and mono-trans-1,2,3,4,6,7,8,9-octahydrodibenzo[b,h]benzo[3,4]cyclobuta[1,2-e]thionin, analogues of biphenylene containing a thionin ring Peter J. Garratt Andrew B. Holmes Franz Sondheimer and K. Peter C. Vollhardt pg 2253; DOI: 10.1039/P19730002253 |
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Photocyclisation of enamides. Part III. Photocyclisation of N-benzoylenamines of cyclohexanone and 2-substituted cyclohexanones Ichiya Ninomiya Takeaki Naito and Toshiko Kiguchi pg 2257; DOI: 10.1039/P19730002257 |
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Photocyclisation of enamides. Part IV. A new stereoselective synthesis of ()-crinan Ichiya Ninomiya Takeaki Naito and Toshiko Kiguchi pg 2261; DOI: 10.1039/P19730002261 |
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Free-radical addition of alkanethiols to some acyclic olefins David W. Grattan J. Michael Locke and Stanley R. Wallis pg 2264; DOI: 10.1039/P19730002264 |
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Biphenylenes. Part XXVIII. Synthesis of some benzo[b]-, naphtho-[2,3-b]-, and anthra[2,3-b]-derivatives of biphenylene Barry E. Ayres Reda A. Kabli and John F. W. McOmie pg 2267; DOI: 10.1039/P19730002267 |
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Wittig-type reactions of 2-lithio-2-trimethylsilyl-1,3-dithian and related reactions Peter F. Jones Michael F. Lappert and Anne C. Szary pg 2272; DOI: 10.1039/P19730002272 |
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Terpenoids. Part XXVII. Structure and stereochemistry of ponicidin, a diterpenoid of Isodon japonicus Eiichi Fujita Manabu Taoka Masayuki Shibuya Tetsuro Fujita and Tetsuro Shingu pg 2277; DOI: 10.1039/P19730002277 |
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Structure and reactions of cobalt corroles Michael Conlon Alan W. Johnson William R. Overend Dayananda Rajapaksa and Clive M. Elson pg 2281; DOI: 10.1039/P19730002281 |
A new synthesis of vitamin K via -allyinickel intermediatesKikumasa Sato Seiichi Inoue and Kenji Saito pg 2289; DOI: 10.1039/P19730002289 |
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Preparation of a water-insoluble trans-2,3-cyclic carbonate derivative of macroporous cellulose and its use as a matrix for enzyme immobilisation John F. Kennedy S. Alan Barker and Alan Rosevear pg 2293; DOI: 10.1039/P19730002293 |
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Chemistry of quinones. Part III. Cleavage of the methyl ethers of some naturally occurring hydroxyanthraquinones David G. Davies Philip Hodge and Paul Yates pg 2299; DOI: 10.1039/P19730002299 |
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The hexafluoroacetone adducts of diphenyl phosphoramidites; a distinction between P–N bond rotation and pseudorotation Stuart Trippett and Peter J. Whittle pg 2302; DOI: 10.1039/P19730002302 |
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New intermediates and dyestuffs for synthetic fibres. Part VI. 1-Arylaminoanthraquinones W. Martin Lord and Arnold T. Peters pg 2305; DOI: 10.1039/P19730002305 |
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Alkylation of disodiopentane-2,4-dione with halogeno-acetals K. Gerald Hampton and Richard E. Flannery pg 2308; DOI: 10.1039/P19730002308 |
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Carcinogenic nitrogen compounds. Part LXXXIII. New condensed acridines derived from benz[c]indeno[1,3-mn]-, benz[c]indeno[1,3-kl]-, and phenanthro[9,10,1-mna]-acridines P. Jacquignon and O. Périn-Roussel pg 2311; DOI: 10.1039/P19730002311 |
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Sulphines. Part V. Configurational assignment and interconversion barriers for syn- and anti-isomers of aromatic sulphines Bianca F. Bonini Lodovico Lunazzi Gaetano Maccagnani and Germana Mazzanti pg 2314; DOI: 10.1039/P19730002314 |
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An -sulphonyl dianion and its E1cB elimination Nigel Bosworth and Philip Magnus pg 2319; DOI: 10.1039/P19730002319 |
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Configuration and stereochemistry of photoproducts by application of the nuclear Overhauser effect. Adducts of benzophenone with methyl-substituted furans and 2,5-dimethylthiophen, and of methyl-substituted maleic anhydrides with thiophen and its methyl derivatives, and benzo-[b]thiophen Tatsuhiko Nakano C. Rivas C. Perez and Kazuo Tori pg 2322; DOI: 10.1039/P19730002322 |
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Preparation of substituted furan- and thiophen-2-carbaldehydes and -2-[2H]carbaldehydes, and of 2-furyl ketones Derek J. Chadwick John Chambers H. Edwin Hargraves G. Denis Meakins and Roger L. Snowden pg 2327; DOI: 10.1039/P19730002327 |
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Some reactions of benzaldehyde acetals with alkyl-lithium reagents; a stereospecific olefin synthesis from 1,2-diols James N. Hines Michael J. Peagram Eric J. Thomas and Gordon H. Whitham pg 2332; DOI: 10.1039/P19730002332 |
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Anodic oxidation of phenolic compounds. Part III. Anodic hydroxylation of phenols. A simple general synthesis of 4-alkyl-4-hydroxycyclo-hexa-2,5-dienones from 4-alkylphenols Anders Nilsson Alvin Ronlán and Vernon D. Parker pg 2337; DOI: 10.1039/P19730002337 |
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Synthesis and reactions of 2-(5-amino-4-carbamoylimidazol-1-yl)-2-de-oxy-D-glucose, an analogue of a naturally occurring imidazole nucleoside Clifford G. Beddows and Donald V. Wilson pg 2345; DOI: 10.1039/P19730002345 |
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Addition reactions of heterocyclic compounds. Part LIII. Reactions of benzimidazoles with propiolic esters R. Morrin Acheson and Michael S. Verlander pg 2348; DOI: 10.1039/P19730002348 |
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Studies of heterocyclic compounds. Part XIV. 1,6a-Dithia-6-azapentalenes John G. Dingwall Alexander S. Ingram David H. Reid and John D. Symon pg 2351; DOI: 10.1039/P19730002351 |
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Stereoselective total syntheses of the norlignan derivatives ()-tri-O-methylsequirin-B and ()-tri-O-methylsequirin-C Richard V. Davies Natiq A. R. Hatam and Donald A. Whiting pg 2359; DOI: 10.1039/P19730002359 |
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Synthesis of 12-fluoro-corticosteroids Derek H. R. Barton Robert H. Hesse Maurice M. Pechet and Timothy J. Tewson pg 2365; DOI: 10.1039/P19730002365 |
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Methylation of indazoles and related reactions Ghayoor A. Jaffari and Arthur J. Nunn pg 2371; DOI: 10.1039/P19730002371 |
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Synthesis and some reactions of 4-hydroxy-2-methoxycarbonylquinoline-5,8-quinone Ian Baxter and William R. Phillips pg 2374; DOI: 10.1039/P19730002374 |
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Experiments in the biosynthesis of curcumin Peter J. Roughley and Donald A. Whiting pg 2379; DOI: 10.1039/P19730002379 |
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Naturally occurring compounds related to phenalenone. Part VI. Synthesis of atrovenetin (8,9-dihydro-3,4,5,6-tetrahydroxy-1,8,8,9-tetra-methylphenaleno[1,2-b]furan-7-one) and related compounds David A. Frost and George A. Morrison pg 2388; DOI: 10.1039/P19730002388 |
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Cytotoxic compounds. Part XVII. o-, m-, and p-(Bis-2-chloroethylamino)phenol, p-[N-(2-chloroethyl)methylamino]phenol, NN-bis-2-chloroethyl-p-phenylenediamine, and NN-bis-2-chloroethyl-N-methyl-p-phenylenediamine as sources of biologically active carbamates Peter D. Edwards Duncan L. D. Foster Leonard N. Owen and Michael J. Pringle pg 2397; DOI: 10.1039/P19730002397 |
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Nitrite photolysis in the presence of oxygen. An improved synthesis of 32-oxygenated lanostanes John Allen Robin B. Boar James F. McGhie and Derek H. R. Barton pg 2402; DOI: 10.1039/P19730002402 |
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Bridged ring systems. Part XVIII. A total synthesis of ()-guaiol Geo. L. Buchanan and Graham A. R. Young pg 2404; DOI: 10.1039/P19730002404 |
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Tetranortriterpenoids. Part XVI. Partial syntheses of andirobin, methyl angolensate, mexicanolide, and 1-deoxymexicanolide Joseph D. Connolly Ian M. S. Thornton and David A. H. Taylor pg 2407; DOI: 10.1039/P19730002407 |
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Synthesis of oligosaccharides on polymer supports. Part II. Synthesis of -D-gentiobiose derivatives on soluble support copolymers of styrene and 6-O-(p-vinylbenzoyl) or 6-O-(p-vinylphenylsulphonyl) derivatives of D-glucopyranose Roy D. Guthrie Aubrey D. Jenkins and George A. F. Roberts pg 2414; DOI: 10.1039/P19730002414 |
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A simple general synthesis of 2,4-dinitrophenyl glycopyranosides Francis Ballardie Brian Capon J. Derek G. Sutherland David Cocker and Michael Sinnott pg 2418; DOI: 10.1039/P19730002418 |
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Steroid intermediates. Synthesis and transformations of 7-aryl-4,7-dioxoheptanoic acids (Miss) Vijaya M. Kapoor and Arvind M. Mehta pg 2420; DOI: 10.1039/P19730002420 |
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13C nuclear magnetic resonance spectra of glucobioses, glucotrioses, and glucans Taichi Usui Naotaka Yamaoka Kazuo Matsuda Katura Tuzimura Hiroshi Sugiyama and Shuichi Seto pg 2425; DOI: 10.1039/P19730002425 |
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Heterocyclic syntheses with malonyl chloride. Part X. 2-Aryl- and -alkyl-thio-7-chloropyrano[3,4-e][1,3]oxazine-4,5-diones from thiocyanates, and their behaviour with amines Jasim M. A. Al-Rawi and John A. Elvidge pg 2432; DOI: 10.1039/P19730002432 |
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Thermal decomposition of bismesitylsulphonyl- and bis-2,4-xylylsulphonyl-diazomethanes William T. Flowers Graham Heyes and Geoffrey Holt pg 2438; DOI: 10.1039/P19730002438 |
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Fungal metabolites. Part III. Isolation of secalonic acids fromPhoma terrestris Colin C. Howard and Robert A. W. Johnstone pg 2440; DOI: 10.1039/P19730002440 |
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Tautomerism and ionisation processes in 6-methylthio-2-oxopurines Dov Lichtenberg Felix Bergmann and Zohar Neiman pg 2445; DOI: 10.1039/P19730002445 |
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2,3-Benzoxazin-1-ones. Part I. Reactions of aluminium chloride, sulphuric acid, and hydrazine hydrate with 4-aryl-2,3-benzoxazin-1-ones Fawzi G. Baddar Amin F. M. Fahmy and Nawal (Mrs.) F. Aly pg 2448; DOI: 10.1039/P19730002448 |
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Synthesis of indoles and carbazoles: Diels–Alder reactions of nitrovinyl-pyrroles and -benzindoles Ramachandra S. Hosmane Shivayogi P. Hiremath and Stewart W. Schneller pg 2450; DOI: 10.1039/P19730002450 |
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Synthetic studies on terpenoids. Part XVII. Synthetic approaches to hirsutic acid Tarun K. Sarkar pg 2454; DOI: 10.1039/P19730002454 |
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Studies related to dihydro-1,4-thiazines. Part IV. Stereochemical consequences of 1,3-sulphur migrations John Kitchin and Richard J. Stoodley pg 2460; DOI: 10.1039/P19730002460 |
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Studies related to dihydro-1,4-thiazines. Part V. Intramolecular cyclisations of 3,4-dihydro-3-hydroxymethyl-6-methoxycarbonyl-2H-1,4-thiazines John Kitchin and Richard J. Stoodley pg 2464; DOI: 10.1039/P19730002464 |
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Structure of a dimer of ageratochromene T. R. Kasturi E. M. Abraham and Peter Brown pg 2468; DOI: 10.1039/P19730002468 |
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Pyrroles and related compounds. Part XXII. Syntheses of pyrromethanes and a tripyrrane José A. S. Cavaleiro António M. d'A. Rocha Gonsalves George W. Kenner and Kevin M. Smith pg 2471; DOI: 10.1039/P19730002471 |
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Pyrroles and related compounds. Part XXIII. Protoporphyrin-I José A. S. Cavaleiro George W. Kenner and Kevin M. Smith pg 2478; DOI: 10.1039/P19730002478 |
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The chemistry of terpenes. Part XVI. Some oxidation products of -pyronene Wesley Cocker Kevin J. Crowley and Krishnaswamy Srinivasan pg 2485; DOI: 10.1039/P19730002485 |
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Electrophilic additions to acetylenes. Part I. Addition of some alkyl chlorides to phenylacetylene Roberto Maroni Giovanni Melloni and Giorgio Modena pg 2491; DOI: 10.1039/P19730002491 |
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Photochemistry of -unsaturated carbonyl compounds. 3,3-Dimethyl-5,5-diphenylpent-4-en-2-one and 2,2-dimethyl-4,4-diphenylbut-3-enal Albert C. Pratt pg 2496; DOI: 10.1039/P19730002496 |
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s-Triazines. Part I. Synthesis and reactions of dihalogeno-heteroaryl-s-triazines Jiban K. Chakrabarti Ronald W. Goulding and Alec Todd pg 2499; DOI: 10.1039/P19730002499 |
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2-Substituted 3,4-unsubstituted isoxazolin-5-ones: synthesis and comparison with the natural compounds Ludo Van Rompuy Niceas Schamp Norbert De Kimpe and Roger Van Parijs pg 2503; DOI: 10.1039/P19730002503 |
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Esters of phosphorus oxy-acids as alkylating agents. Part II. N-Alkylation of imidazole and related heterocyclic compounds with trialkyl phosphates Kiyoshi Yamauchi and Masayoshi Kinoshita pg 2506; DOI: 10.1039/P19730002506 |
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Mechanisms of hydrogenation. Part X. Homogeneous hydrogenolysis of organic halides and hydrogenation of the carbonyl, epoxy-, and nitro-groups Christopher J. Love and Francis J. McQuillin pg 2509; DOI: 10.1039/P19730002509 |
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The synthesis of oligoribonucleotides. Part X. Preparation of 2,3-cyclic phosphates of ribonucleosides and diribonucleoside phosphates via phosphotriester intermediates Jacques H. van Boom Jan F. M. de Rooy and Colin B. Reese pg 2513; DOI: 10.1039/P19730002513 |
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Pyrroles and related compounds. Part XXIV. Separation and oxidative degradation of chlorophyll derivatives George W. Kenner Stuart W. McCombie and Kevin M. Smith pg 2517; DOI: 10.1039/P19730002517 |
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Synthesis and reactions of 2-dialkylaminofurans Gerhard V. Boyd and Kenneth Heatherington pg 2523; DOI: 10.1039/P19730002523 |
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Ring transformations of 2-morpholinofurans and N-(2,3-dihydro-2-furylidene)morpholinium salts Gerhard V. Boyd and Kenneth Heatherington pg 2532; DOI: 10.1039/P19730002532 |
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Pyran-2-ylidene carbene complexes Thomas L. Gilchrist Rosemary Livingston Charles W. Rees and Erwin von Angerer pg 2535; DOI: 10.1039/P19730002535 |
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2-Halogeno-3-morpholinothietan 1,1-dioxides. Syntheses, configurations, and conformations (Mrs.) Paola Del Buttero and Stephano Maiorana pg 2540; DOI: 10.1039/P19730002540 |
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Cyclisation of -(o-alkenylaryl)diazoalkanes: a route to 2,3-benzodiazepines via a novel 1,7-electrocyclic ring closure Andrew A. Reid John T. Sharp Hem R. Sood and Peter B. Thorogood pg 2543; DOI: 10.1039/P19730002543 |
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Constituents of Annona coriacea. The structure of a new diterpenoid Patrizia Mussini Fulvia Orsini Francesca Pelizzoni and Giorgio Ferrari pg 2551; DOI: 10.1039/P19730002551 |
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Structure of a fungal metabolite of the phytoalexin wyerone acid fromVicia faba L. J. W. Mansfield A. E. A. Porter and D. A. Widdowson pg 2557; DOI: 10.1039/P19730002557 |
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Reaction of norbornadiene with a mixture of 1,1-dichloroethylene, sulphuric acid, and boron trifluoride–ether complex David I. Davies and Desmond J. A. Pearce pg 2559; DOI: 10.1039/P19730002559 |
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Chemistry of santonene. Part IX. Photolysis products of santonene, and their chemical transformations D. Stuart R. East Kiyoyasu Ishikawa and T. Brian H. McMurry pg 2563; DOI: 10.1039/P19730002563 |
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Aryne chemistry. Part XXXII. Reactions of tetrahalogenobenzynes with 6,6-dialkylfulvenes, and the photoisomerisation and thermal reactions of derived products Barry Hankinson Harry Heaney Anthony P. Price and Ram Prakash Sharma pg 2569; DOI: 10.1039/P19730002569 |
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Stereochemistry of the four diastereoisomeric 1,2,5-trimethyl-4-phenylpiperidines Alan J. Jones Alan F. Casy and Keith M. J. McErlane pg 2576; DOI: 10.1039/P19730002576 |
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A convenient synthesis of ()-occidol Tse-Lok Ho pg 2579; DOI: 10.1039/P19730002579 |
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Synthesis and thermal reaction of 2,2-diacyl-N-(1-pyridinio)vinylaminides: formation of pyrazolo[1,5-a]pyridines and isoxazoles Yasumitsu Tamura Yasuyoshi Miki Yoshio Sumida and Masazumi Ikeda pg 2580; DOI: 10.1039/P19730002580 |
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Electrochemical reactions. Part XVI. Stereochemistry of two known diketonic hydrodimers from reduction of carvone James Grimshaw and Jadwiga Trocha-Grimshaw pg 2584; DOI: 10.1039/P19730002584 |
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Cyclisation of N-(prop-2-ynyl)benzylamines. Part II. Synthesis of 1,2-dihydro-3-phenylisoquinolines and an isopavine derivative J. Robin Brooks David N. Harcourt and Roger D. Waigh pg 2588; DOI: 10.1039/P19730002588 |
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Synthesis of grifolin and dihydrodeoxytauranin Kiyoto Ima-ye and Hiroshi Kakisawa pg 2591; DOI: 10.1039/P19730002591 |
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Synthesis and quaternization of some heterocyclic mono- and disulphides Edward E. Glover Kenneth D. Vaughan and Derek C. Bishop pg 2595; DOI: 10.1039/P19730002595 |
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Hyalodendrin: a new fungitoxic epidithiodioxopiperazine produced by a Hyalodendron species George M. Strunz Masatoshi Kakushima Merlyn A. Stillwell and Christopher J. Heissner pg 2600; DOI: 10.1039/P19730002600 |
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Steroidal sulphur compounds. Part IX. 6- and 6-Methylsulphinylcholest-4-ene and related compounds; stereochemical aspects of the allyl sulphoxide–sulphenate rearrangement D. Neville Jones John Blenkinsopp Anthony C. F. Edmonds Essam Helmy and Richard J. K. Taylor pg 2602; DOI: 10.1039/P19730002602 |
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Amino-acids and peptides. Part XIV. Modification of peptides by amino-acid insertion John S. Davies Cedric H. Hassall and Keith H. Hopkins pg 2614; DOI: 10.1039/P19730002614 |
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Photoaddition of p-quinones to N-(cyclohexyl)dimethylketenimine Nobuyuki Ishibe and Yukio Yamaguchi pg 2618; DOI: 10.1039/P19730002618 |
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N-oxides and related compounds. Part XLII. Amine N-nitroimides derived from trimethylamine, 1-methylpiperidine, 1,4-diazabicyclo[2.2.2]octane (triethylenediamine), pyridines, quinoline, and isoquinoline Jan Epsztajn Alan R. Katritzky Edward Lunt James W. Mitchell and Gilberto Roch pg 2622; DOI: 10.1039/P19730002622 |
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N-oxides and related compounds. Part XLIII. Formation of N-nitroimides by base-catalysed nitration Alan R. Katritzky and James W. Mitchell pg 2624; DOI: 10.1039/P19730002624 |
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New metabolic products of Aspergillus flavus. Part III. Biosynthesis of asperentin L. Cattel John Frederick Grove and D. Shaw pg 2626; DOI: 10.1039/P19730002626 |
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Pteridine studies. Part XLV. Addition of sodium hydrogen sulphite and other nucleophilic agents to pteridin-4-one and related compounds Adrien Albert and John J. McCormack pg 2630; DOI: 10.1039/P19730002630 |
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Reduction of steroidal ketones with aminoiminomethanesulphinic acid Josef E. Herz and Lilia Albert de Márquez pg 2633; DOI: 10.1039/P19730002633 |
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Sequential Claisen and Cope rearrangements: the propenyl ether and acetate of 3-methylhept-6-en-1-yn-3-ol Bruce Bowden Richard C. Cookson and Harry A. Davis pg 2634; DOI: 10.1039/P19730002634 |
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Marine natural products of the Atlantic zone. Part VI. Base-catalysed rearrangement of taondiol Antonio G. González Miguel A. Alvarez José Darias and Julio D. Martín pg 2637; DOI: 10.1039/P19730002637 |
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Natural acetylenes. Part XLI. Polyacetylenes from fungal fruiting bodies Iain W. Farrell John W. Keeping Martin G. Pellatt and Viktor Thaller pg 2642; DOI: 10.1039/P19730002642 |
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Heterocyclic syntheses with isothiocyanatoformic esters and their derivatives P. R. Atkins S. E. J. Glue and I. T. Kay pg 2644; DOI: 10.1039/P19730002644 |
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Tautomerism, ionisation, and methylation of 2-(methylthio)- and 2,8-bis(methylthio)-hypoxanthines Uri Reichman Felix Bergmann and Dov Lichtenberg pg 2647; DOI: 10.1039/P19730002647 |
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Biosynthesis of isoprenoids. Part III. Mechanism of alkylation during biosynthesis of stigmasterol in tissue cultures of higher plants Yutaka Tomita and Atsuko Uomori pg 2656; DOI: 10.1039/P19730002656 |
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The Dimroth rearrangement. Part XV. Catalysis by methylamine salts. Preparation of 7-methylamino- and 6,7-dihydro-7-imino-v-triazolo[4,5-d]pyrimidines via 4-ethoxymethyleneamino-1,2,3-triazoles Adrien Albert pg 2659; DOI: 10.1039/P19730002659 |
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Preparation, mass spectra, and acid-catalysed rearrangement of aryl-substituted azetidin-2-ones P. G. Bird and W. J. Irwin pg 2664; DOI: 10.1039/P19730002664 |
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Photochemical transformations of -phellandrene Kevin J. Crowley Karen L. Erickson Albrecht Eckell and Jerrold Meinwald pg 2671; DOI: 10.1039/P19730002671 |
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Stereochemistry and regiochemistry of the addition of lodonium nitrate to alkenes J. William Lown and Alummoottil V. Joshua pg 2680; DOI: 10.1039/P19730002680 |
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Reactions of derivatives of steroidal 3,4,5- and 3,5,6-triols with hydrobromic acid Derek Baldwin James R. Hanson and Ann M. Holtom pg 2687; DOI: 10.1039/P19730002687 |
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Nucleophilic displacement reactions in carbohydrates. Part XXII. Formation of 1,4-anhydropyranoses from 1-O-acetyl-6-deoxy-2,3-O-isopropylidene-4-O-methylsulphonyl--L-manno- and -talo-pyranose with sodium azide John S. Brimacombe Jonathan Minshall and Leslie C. N. Tucker pg 2691; DOI: 10.1039/P19730002691 |
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Nucleophilic displacement by hydrogen carbonate anion, and its implications in the oxidation of alkyl toluene-p-sulphonates with dimethyl sulphoxide–sodium hydrogen carbonate Nigel Bosworth Philip Magnus and Richard Moore pg 2694; DOI: 10.1039/P19730002694 |
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Semmler-Wolff aromatisation and abnormal Beckmann and Schmidt reactions of 3-alkyl-4-oxo-1-phenyl-4,5,6,7-tetrahydroindazoles and their oximes in polyphosphoric acid Arthur J. Nunn and Frederick J. Rowell pg 2697; DOI: 10.1039/P19730002697 |
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New metabolic products of Aspergillus flavus. Part IV. 4-Hydroxyasperentin and 5-hydroxyasperentin 8-methyl ether John Frederick Grove pg 2704; DOI: 10.1039/P19730002704 |
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Quinoxaline precursors of fungitoxic benzimidazolylcarbamates: syntheses and photochemically-induced transformations Raymond A. Burrell John M. Cox and Eric G. Savins pg 2707; DOI: 10.1039/P19730002707 |
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Anodic syntheses. Part XV. Further studies with ethylenic acids pg 2714; DOI: 10.1039/P19730002714 |
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Tingenone and hydroxytingenone, triterpenoid quinone methides from Euonymus tingens P. Margaret Brown Michael Moir Ronald H. Thomson Trevor J. King Velagalety Krishnamoorthy and Tiruvenkata R. Seshadri pg 2721; DOI: 10.1039/P19730002721 |
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The structure of tingenone, a quinonoid triterpene related to pristimerin Franco Delle Monache G. B. Marini Bettòlo Oswaldo Gonçalves de Lima Ivan Leôncio d'Albuquerque and José Sidney de Barros Coêlho pg 2725; DOI: 10.1039/P19730002725 |
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Lengthening the chain of a dicarboxylic acid by one carbon atom Ernest W. Della and Michael Kendall pg 2729; DOI: 10.1039/P19730002729 |
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(22S)-hydroxyvitamin D4 Douglas R. Crump Dudley H. Williams and Bohumil Pelc pg 2731; DOI: 10.1039/P19730002731 |
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Cytotoxic compounds. Part XVIII. Some 2-aryl-2-(arylthio)ethanols, 1-aryl-2-(arylthio)ethanols, and their methanesulphonates Afarin Behzadi and Leonard N. Owen pg 2733; DOI: 10.1039/P19730002733 |
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1.5-Dienes from allylic alcohols and carbonyl compounds by successive Claisen rearrangement, Wittig reaction, and Cope rearrangement: an attempted synthesis of propylure Richard C. Cookson and Norman W. Hughes pg 2738; DOI: 10.1039/P19730002738 |
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Synthesis of unsaturated aldehydes by sequential Claisen and Cope rearrangements Richard C. Cookson and Nigel R. Rogers pg 2741; DOI: 10.1039/P19730002741 |
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Optical rotatory dispersion and circular dichroism. Part LXXIX. Circular dichroism of some carbohydrate azides Diana R. Dunstan Wendy P. Mose and P. Molly Scopes pg 2749; DOI: 10.1039/P19730002749 |
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Metal–ammonia reduction of aromatic nitrogen heterocycles. Part I. Reductive alkylation of quinoline and some methyl derivatives Arthur J. Birch and Peter G. Lehman pg 2754; DOI: 10.1039/P19730002754 |
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Purine studies. Part IX. Nucleophilic addition of barbituric acids to purines William Pendergast pg 2759; DOI: 10.1039/P19730002759 |
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Oxidation of a simple alkene by thallium(III) trifluoroacetate Andrew Lethbridge Richard O. C. Norman and C. Barry Thomas pg 2763; DOI: 10.1039/P19730002763 |
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Some 2-nitrothiazoles Alan D. Borthwick Michael W. Foxton Brian V. Gray Gordon I. Gregory Peter W. Seale and Willam K. Warburton pg 2769; DOI: 10.1039/P19730002769 |
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Fungal products. Part VIII. New kaurenolides from Gibberella fujikuroi Peter Hedden Jake MacMillan and Martin J. Grinsted pg 2773; DOI: 10.1039/P19730002773 |
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Alkanediazoates. Part XIII. Synthesis of azoxyalkanes: L-dihydroelaiomycin [4-methoxy-3-(octyl-ONN-azoxy)butan-2-ol] Robert A. Moss and Thomas B. K. Lee pg 2778; DOI: 10.1039/P19730002778 |
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Benzopyrones. Part X. Bromination of chromones and coumarins with dibromoisocyanuric acid. Nitrations of chromones Gwynn P. Ellis and Idris L. Thomas pg 2781; DOI: 10.1039/P19730002781 |
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Natural acetylenes. Part XLII. Novel C7, C8, C9, and C10 polyacetylenes from fungal cultures Milton T. W. Hearn Sir Ewart R. H. Jones Martin G. Pellatt Viktor Thaller and John L. Turner pg 2785; DOI: 10.1039/P19730002785 |
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Friedel–Crafts reactions of alkenones with benzene Martin F. Ansell and S. Aleem Mahmud pg 2789; DOI: 10.1039/P19730002789 |
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Prostaglandin synthesis: design and execution David Brewster Malcolm Myers Joseph Ormerod Philip Otter Alan C. B. Smith Margaret E. Spinner and Stephen Turner pg 2796; DOI: 10.1039/P19730002796 |
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2-Arylmethyleneindolin-3-ones: photodimerisation to cyclobutane derivatives Malcolm Hooper and William N. Pitkethly pg 2804; DOI: 10.1039/P19730002804 |
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Photochemical binding of anthracene and other aromatic hydrocarbons to deoxyribonucleic acid with attendant loss of tritium G. M. Blackburn J. Buckingham R. G. Fenwick P. Taussig and M. H. Thompson pg 2809; DOI: 10.1039/P19730002809 |
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Quinazolines. Part XIX. Reduction of 2-amino-5,6,7,8-tetrahydroquinazoline-4-carboxylic acid and 1,2,5,6,7,8-hexahydro-2-oxoquinazoline-4-carboxylic acid Wilfred L. F. Armarego and Beverly A. Milloy pg 2814; DOI: 10.1039/P19730002814 |
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Synthesis of 4,5-bridged carbazoles Donald E. Ames Kristian J. Hansen and Nigel D. Griffiths pg 2818; DOI: 10.1039/P19730002818 |
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Fungal products. Part IX. Gibberellins A16, A36, A37, A41, and A42 from Gibberella fujikuroi John R. Bearder and Jake MacMillan pg 2824; DOI: 10.1039/P19730002824 |
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Chemical and X-ray studies of a [1,4]diazepino[7,1-a]isoquinolin-2-one, a Schmidt reaction product from 3-ethyl-1,6,7,11b-tetrahydro-9,10-dimethoxy-4H-benzo[a]quinolizin-2(3H)-one Michael J. Begley and Norman Whittaker pg 2830; DOI: 10.1039/P19730002830 |
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Thermal reversal of the photochemically induced cis–trans-isomerisation of -(3H-1,2-dithiol-3-ylidene) ketones and aldehydes. Substituent effects Carl Th. Pedersen and Christian Lohse pg 2837; DOI: 10.1039/P19730002837 |
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Polyhalogeno-aromatic compounds. Part XXV. Quaternisation of polyhalogenopyridines and reactions of the pyridinium salts E. Ager and H. Suschitzky pg 2839; DOI: 10.1039/P19730002839 |
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The structure and absolute configuration of the antibiotic aphidicolin: a tetracyclic diterpenoid containing a new ring system William Dalziel Barrie Hesp Karen M. Stevenson and John A. J. Jarvis pg 2841; DOI: 10.1039/P19730002841 |
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Metal-catalysed oxidation of acetylenes and diazo-ketones Stephen A. Matlin and Peter G. Sammes pg 2851; DOI: 10.1039/P19730002851 |
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Tetracycline studies. Part IV. Some novel cyclisations through benzophenone carbanions, including a new synthesis of anthraquinones Cedric H. Hassall and Barry A. Morgan pg 2853; DOI: 10.1039/P19730002853 |
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Reactions of thioketones. Part II. Thio-ozonide formation in some nucleophilic reactions of thioketones with amines and with benzenethiol Malcolm M. Cambell and D. M. Evgenios pg 2862; DOI: 10.1039/P19730002862 |
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Reactions of thioketones. Part III. Reaction of chloramine T with aliphatic and aromatic thioketones Malcolm M. Campbell and D. M. Evgenios pg 2866; DOI: 10.1039/P19730002866 |
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Isomerisation of allyl phenyl ethers and allylphenols with transition metal catalysts Peter Golborn and Feodor Scheinmann pg 2870; DOI: 10.1039/P19730002870 |
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Synthesis of [3,5-3H2-Tyr23]--corticotrophin-(1–24)-tetracosapeptide Derek E. Brundish and Roy Wade pg 2875; DOI: 10.1039/P19730002875 |
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Studies on terpenes. Part III. Synthesis of (–)-neoverbanol (pinan-4-ol) Peter D. Hobbs and Philip D. Magnus pg 2879; DOI: 10.1039/P19730002879 |
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Determination of stereochemistry of vinyl phosphates from proton nuclear magnetic resonance chemical shifts Clive B. C. Boyce Shirley B. Webb Lawrence Phillips and Paul A. Worthington pg 2881; DOI: 10.1039/P19730002881 |
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Diquaternary salts of 1,5- and 1,8-naphthyridines and the structure of their derived pseudo-bases John E. Dickeson Ian F. Eckhard Rae Fielden and Lindsay A. Summers pg 2885; DOI: 10.1039/P19730002885 |
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Steroid conjugates. Part V. Glucuronosides of 19-oxygenated 3-hydroxyandrost-5-en-17-ones Sydney H. Nicholson Derek S. H. Smith and Alan B. Turner pg 2887; DOI: 10.1039/P19730002887 |
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Insulin peptides. Part XXIII. The synthesis of a hexadecapeptide derivative related to the B chain of human insulin Gerald P. Schwartz and Panayotis G. Katsoyannis pg 2890; DOI: 10.1039/P19730002890 |
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Insulin peptides. Part XXIV. A novel synthesis of the human insulin B chain S-sulphonate Gerald P. Schwartz and Panayotis G. Katsoyannis pg 2894; DOI: 10.1039/P19730002894 |
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Pyrazolopyridines. Part III. Preparation and reactions of pyrazolo[4,3-b]pyridines Hylton E. Foster and Jim Hurst pg 2901; DOI: 10.1039/P19730002901 |
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Synthesis of a -lactam related to the cephalosporins Gordon Lowe and H. Wing Yeung pg 2907; DOI: 10.1039/P19730002907 |
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Reactions of heterocycles with thiophosgene. Part II. The chemistry of 3-formylquinoline-2(1H)-thione Roy Hull pg 2911; DOI: 10.1039/P19730002911 |
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Oxidation of some aromatic hydrocarbons by cerium(IV) trifluoroacetate Richard O. C. Norman C. Barry Thomas and Philip J. Ward pg 2914; DOI: 10.1039/P19730002914 |
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Biosynthesis of porphyrins and related macrocycles. Part II. Synthesis of -amino[5-13C]laevulinic acid and [11-13C] porphobilinogen: incorporation of the latter into protoporphyrin-IX Alan R. Battersby Eric Hunt Edward McDonald and Jaqueline Moron pg 2917; DOI: 10.1039/P19730002917 |
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Biosynthesis of porphyrins and related macrocycles. Part III. Rational syntheses of [-13C]-, [-13C]-, and [-13C]-protoporphyrin-IX: assignment of the 13C nuclear magnetic resonance signals from the meso-carbon atoms of protoporphyrin-IX dimethyl ester Alan R. Battersby Gordon L. Hodgson Masataka Ihara Edward McDonald and John Saunders pg 2923; DOI: 10.1039/P19730002923 |
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Friedel–Crafts reactions. Part XXIV. Diacylations of 2,7-dimethylnaphthalene. Deuterium-labelling as an aid to structural determinations Peter H. Gore Adhid Y. Miri and Asif S. Siddiquei pg 2936; DOI: 10.1039/P19730002936 |
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Friedel–Crafts reactions. Part XXV. Acetylation and benzoylation of iodobenzene and of o-, m-, and p-iodotoluenes Peter H. Gore Stewart Thorburn and David J. Weyell pg 2940; DOI: 10.1039/P19730002940 |
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Participation of o-carboxylate groups in aromatic nucleophilic substitution R. Muthukrishnan R. Kannan and S. Swaminathan pg 2949; DOI: 10.1039/P19730002949 |
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Naphtho[1,2-b]thiophen. Part I. Preparation and electrophilic substitution Kenneth Clarke Derek N. Gregory and Richard M. Scrowston pg 2956; DOI: 10.1039/P19730002956 |
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Synthesis and paratropicity of heteroatom-bridged [17]annulenones Terry M. Cresp and Melvyn V. Sargent pg 2961; DOI: 10.1039/P19730002961 |
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Polyhalogeno-aromatic compounds. Part XXVIII. Derivatives of polyhalogenopyridine-4-thiols Brian Iddon Hans Suschitzky and Alan W. Thompson pg 2971; DOI: 10.1039/P19730002971 |
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Pigments of Gnomonia erythrostoma. Part II. Epierythrostominol and epideoxyerythrostominol Brian E. Cross and Leslie J. Zammitt pg 2975; DOI: 10.1039/P19730002975 |
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Index of authors, 1973 pg 2977; DOI: 10.1039/P19730002977 |
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Index of subjects, 1973 pg 3005; DOI: 10.1039/P19730003005 |