0300-922X JCPRB4( 1 1) 1 161-1268( 1976)JOURNALOFTHE CHEMICAL SOCIETYPERKIN TRANSACTIONS IOrganic and Bio-organic ChemistryCONTENTSPAGESelective iodination of phenols in the ortho-positionBy RICHARD C. CAMBIE, PETER S. RUTLEDGE, TRUIS SMITH-PALMER, and PAUL D. WOODGATE . . 1161Cryst a1 and molecular structure of compactin, a new antifungal metabolite from Penicillium brevicomflactumBy ALLAN G. BROWN, TERRY C. SMALE, TREVOR J. KING, RAINER HASENKAMP, and RONALD H. THOMPSON 1165Addition of free radicals to unsaturated systems. Part XXII. Photochemical addition of trifluoroiodo-By ROBERT N. HASZELDINE, ILYAS-UD-D MIR, ANTHONY E. TIPPING, and ANTHONY G. WILSON (in part)Polyhalogenoallenes.By PAUL W. L. BOSBURY, ROY FIELDS, ROBERT N. HASZELDINE, and DANIEL MOWNPerfluoroalkyl derivatives of sulphur.By ROBERT N.HASZELDINE, BARRY HEWITSON, and ANTHONY E. TIPPING . . 1178Carbon- 13 nuclear magnetic resonance assignments and biosynthesis of aflatoxin B, and sterigmatocystinBy KLAUS G. R. PACHLER, PIETER S. STEYN, ROBERT VLEGGAAR, PHILIPPUS L. WESSELS, and DE BUYSSynthesis of some tetrahydronaphthyl- and flavanyl-coumarinsBy (the late) ROY S. SHADBOLT, (in part) DAVID R. WOODWARD, and (in part) PETER J. BIRCHWOOD. . 1190Cyclization of (+)- and (-)-S-(2-methylprop-l-enyl)-~-cysteine S-oxidesBy JOHN F. CARSON and ROBERT E. LUNDIN . . 1195Synthesis of peptides containing cis- or tmns-3- or 4-aminocyclohexanecarboxylic acid residuesPhotocheniistry of 4,6-disubstituted pyrimidine N-oxidesNew, ready degradation reactions of bisphosphinesBy S.MARTIN NELSON, MAXWELL PERKS, and BRIAN J. WALKER . . 1205Steroids and related studies.methane and iodine to perfluoro-(3-methylbut-l-ene) and photochemical dimerisation of the olefin1170Part X. An improved preparation of perfluoro-(3-methylbuta-l ,Z-diene) and thestructure of its dimers. . 1173Part XIX. Reaction of Auoro-olefins with ff uoride ion in the presenceof dimethyl disulphide, and related reactionsSCOTT . . 1182By VINI~O ~KARIC, M I ~ E KOVACEVIC, and D JURD JA amp;URIC . . 1199By FRED ROETERDINK and HENK C. VAN DER PLAS . . 1202Part XXXV. Further studies on the Schmidt reaction with cholest-4-ene-3,GdioneBy HARKISHAN SINGH, KAMLESH K. BHUTANI, and LAYAK R. GUPTA . . 1210By ROGER EVANS, JAMES R.HANSON, and TIM MARTEN . . 1212Studies in terpenoid biosynthesis. Part XVI. Formation of the sesquiterpenoid trichothecinStudies in terpenoid biosynthesis.By ROGER EVANS, JAMES R. HANSON, and ROBERT NYFELER. . . 1214Part XVII. Biosynthesis of the sesquiterpenoids cyclonerodiol andcyclonerotrio..11 ContentsStudies on the syntheses of heterocyclic compounds.By TETSUJI KAMETANI, AKIRA UJIIE, MASATAKA IHARA, KEIICHIRO FUKUMOTO, and SHENG-TEH Lu .A one-step synthesis of the phthalidylisoquinoline alkaloids, cordrastine and hydrastineBy TETSU JI KAMETANI, TOSHIO HONDA, HITOSHI INOUE, and KEIICHIRO FUKUMOTO .Heterocyclic polyfluoro-compounds.Part DCL. Total synthesis of corytenchirine..Part XXIII. Reaction of some 2-, 3-, and 4-substituted pyridineI-oxides, 5-methylpyrimidine 1-oxide, and quinoline 1-oxide with perfluoropropene, and of pyridine 1-oxidewith perfluoro-(2-methylpent-2-ene) : synthesis of 2-( 1,2,2,2-tetrafluoroethyl) -pyridines or -pyrimidines andtheir N-oxides and of 2,2,3-trifluoro-2,3-dihydro-3-trifluoromethylfuro3,2-~pyridineBy RONALD E.BANKS, ROBERT N. HASZELDINE, and JOHN M. ROBINSONX-Ray crystal structures of two pyrethroid insecticides : cis-3-phenoxybenzyl 3-(2,2-dibromovinyl)-2,2-di-met h ylcyclopropanecarbox ylat e and the 3- (2,2-dichlorovinyl) analogueBy JOHN D. OWEN .Palladium-catalysed dibenzofuran synthesis by dehydrogenative ring closureBy AKINORI SHIOTANI and HIROSHI ITATANI .Syntheses with isoxazoles.By GURNOS JONES and JOHK R.PHIPPSWithaphysalin C, a naturally occurring 13,14-seco-steroidBy ISAAC KIRSON, ZErsquo;EV (V. I.) ZARETSKII, and ERWIN GLOTTER .Heterodiene syntheses. A new 4 + 21 cycloaddition pathway in the reaction of 2-oxoindolin-By GIANFRANCO TACCONI, ANDREINA CORSICO PICCOLINI, PIER PAOLO RIGHETTI, ENRICO SELVA, and GIO-..Part IV , Ring-opening react ions of 4,5,6,7- t e t rah ydro-4-oxoisoxazolo Z, 3-a -pyridinium salts and related compounds under the influence of tertiary amines.Part XVI.3-ylideneacetophenones with ethyl vinyl etherVANNI DESIMOKI .Studies in terpenoids. Part XLIV.By BAKTHA4N SINGARAM and JAMES VERGHESEGeneration and reactions of a 3-furylcarbene and of an isoxazol-4-ylcarbeneBy THOMAS L. GILCHRIST and DAVID P. J. PEARSONActivating groups for the ring expansion of coumarin by diazoethane : benzoyl, pivaloyl, arylsulphonyl, aryl-By FRANCIS M. DEAN and B. KEVIN PARK .Structure of the adduct from P-mentha-lJj-diene and P-naphthol, andits isomer..sulphinyl, and nitroPAGE1218122112261231123612411244124812541257126
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