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Front cover pg X001; DOI: 10.1039/P199000FX001 |
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Contents pages pg P001; DOI: 10.1039/P199000FP001 |
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Stereocontrolled conversion of hyodeoxycholic acid into chenodeoxycholic acid and ursodeoxycholic acid Wei-Shan Zhou Zhong-Qi Wang and Biao Jiang pg 1; DOI: 10.1039/P19900000001 |
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Back cover pg X003; DOI: 10.1039/P199000BX003 |
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Synthesis of ()-pisiferin, ()-pisiferol, and related compounds by intramolecular [4 + 2]cycloaddition Tetsuji Kametani Hirotsune Kondoh Masayoshi Tsubuki and Toshio Honda pg 5; DOI: 10.1039/P19900000005 |
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Chiral 2,2-disubstituted cyclohexanones; annulation via Claisen rearrangement products T. J. Grattan and J. S. Whitehurst pg 11; DOI: 10.1039/P19900000011 |
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Phosphorus–carbon exchange promoted by AlCl3: reactivity of heterocyclic systems containing the S–P–P unit Graziano Baccolini and Elisabetta Mezzina pg 19; DOI: 10.1039/P19900000019 |
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Photoinduced fluorination of hexafluoropropene trimers: synthesis of branched perfluoroalkanes Claudio Tonelli and Vito Tortelli pg 23; DOI: 10.1039/P19900000023 |
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Antitumour agents. Part 2. Asymmetric synthesis of (S)-camptothecin Akio Ejima Hirofumi Terasawa Masamichi Sugimori and Hiroaki Tagawa pg 27; DOI: 10.1039/P19900000027 |
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Lead tetra-acetate-mediated oxidative cyclizations of isoquinoline alkyl substituted methylene urethanes (enamides) to isoquinoline hydroxyoxazolidinones George R. Lenz pg 33; DOI: 10.1039/P19900000033 |
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Cyclic selenonium exo-ylides (3,4-dihydro-1H-2-benzoselenin-2-io)methanides; syntheses and reactions Mikio Hori Tadashi Kataoka Hiroshi Shimizu Kazuhiro Tsutsumi Yong-Zhou Hu and Motoo Nishigiri pg 39; DOI: 10.1039/P19900000039 |
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Total synthesis of (+)-macbecin I Raymond Baker and Jose L. Castro pg 47; DOI: 10.1039/P19900000047 |
C-nucleosides. 11. Synthesis of quinoxaline C-nucleosides through condensation of 1,2-diaminobenzenes with 6-hydroxy-6-(2,3,5-tri-O-benzoyl- -D-ribofuranosyl)-2,6-dihydropyran-3-oneIsamu Maeba Kazuhiro Kitaori Yoko Itaya and Chihiro Ito pg 67; DOI: 10.1039/P19900000067 |
C-nucleosides. 12. Synthesis of 2 -deoxy pyridazinone C-nucleoside from 2-(2,3,5-tri-O-benzoyl--D-ribofuranosyl)furanIsamu Maeba Takashi Iijima Yoko Matsuda and Chihiro Ito pg 73; DOI: 10.1039/P19900000073 |
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Structure elucidation of UK-72,051, a novel member of the vancomycin group of antibiotics Nicholas J. Skelton Dudley H. Williams Michael J. Rance and John C. Ruddock pg 77; DOI: 10.1039/P19900000077 |
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Some isoindolo-fused heterocyclic systems by cyclodehydration of N-arylalkyl-3-hydroxyphthalimidines Gregory J. Hitchings Madeleine Helliwell and John M. Vernon pg 83; DOI: 10.1039/P19900000083 |
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6-Diazopenicillanates. Part 1. Reactions with furans Stephen A. Matlin Lam Chan and Bettina Catherwood pg 89; DOI: 10.1039/P19900000089 |
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A study of the photochemically induced reaction of pyridine-2,4-dicarbonitrile with primary and secondary amines. A direct synthesis of aminocyano-pyridines Rosanna Bernardi Tullio Caronna Sergio Morrocchi Maurizio Ursini and Bruno M. Vittimberga pg 97; DOI: 10.1039/P19900000097 |
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Photochemistry of 1,3-dimethyluracil. A novel photochemical reaction leading to 3,5-dialkoxycarbonyl-1,2-and -1,4-dihydropyridines Marianne Kristiansen Jens Eriksen and Karl Anker Jorgensen pg 101; DOI: 10.1039/P19900000101 |
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Biosynthesis of isofucosterol from [2-13C2H3]acetate and [1,2-13C2]acetate in tissue cultures of Physalis peruviana—the stereochemistry of the hydride shift from C-24 to C-25 Shujiro Seo Atsuko Uomori Yohko Yoshimura Haruo Seto Yutaka Ebizuka Hiroshi Noguchi Ushio Sankawa and Ken'ichi Takeda pg 105; DOI: 10.1039/P19900000105 |
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Regioselectivity control in alkylation reactions of indolyl ambident anion Sadaaki Nunomoto Yuhsuke Kawakami Yuya Yamashita Hisato Takeuchi and Shoji Eguchi pg 111; DOI: 10.1039/P19900000111 |
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Phytotoxic compounds produced by Fusarium equiseti. Part 9. Reactions of some 9,10; 12,13-diepoxytrichothecanes John Frederick Grove pg 115; DOI: 10.1039/P19900000115 |
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Novel ring transformations of 5-cyanouracils into 2-thiocytosines, 2,4-diaminopyrimidines, and pyrimido[4,5-d]pyrimidines by the reaction with thioureas and guanidines Kosaku Hirota Hironao Sajiki Yukio Kitade and Yoshifumi Maki pg 123; DOI: 10.1039/P19900000123 |
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Synthesis of the cyclophane tetramethoxyturriane: a derivative of the phenolic cyclophanes of Grevillea striata R. Br. Melvyn V. Sargent and Sirichai Wangchareontrakul pg 129; DOI: 10.1039/P19900000129 |
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A new synthesis of anthraquinones using dihydro-oxazoles and Grignard reagents derived from Mg(anthracene)(THF)3 Teresa M. Nicoletti Colin L. Raston and Melvyn V. Sargent pg 133; DOI: 10.1039/P19900000133 |
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Studies of chromenes. Part 8. Addition versus rearrangement in silver ion-assisted solvolyses of trihalogenocyclopropa[c]chromenes Philip E. Brown William Clegg Qamrul Islam and John E. Steele pg 139; DOI: 10.1039/P19900000139 |
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Preparation and occurrence of gibberellins A75 and A76 and 3-epi-A72 Simon John Castellaro Jake MacMillan Arun Kumar Singh and Christine Louise Willis pg 145; DOI: 10.1039/P19900000145 |
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Synthetic studies on O-heterocycles via cycloadditions. Part 1. Photochemical (electron transfer sensitised) C-C cleavage of diaryloxiranes Paul Clawson Patricia M. Lunn and Donald A. Whiting pg 153; DOI: 10.1039/P19900000153 |
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Synthetic studies on O-heterocycles via cycloadditions. Part 2. Adducts from styrene oxides Paul Clawson Patricia M. Lunn and Donald A. Whiting pg 159; DOI: 10.1039/P19900000159 |
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Zinc(II)-promoted stereospecific rearrangement of 17-hydroxy-20-oxopregnane derivatives Laura Schor Alicia M. Seldes and Eduardo G. Gros pg 163; DOI: 10.1039/P19900000163 |
Perkin communications. Stereoselectivity in the conjugate addition of lithium organocuprate reagents to  ,-unsaturated 2-acyl-2-alkyl-1,3-dithiane 1-oxidesPhilip C. Bulman Page Jeremy C. Prodger Michael B. Hursthouse and Muhammed Mazid pg 167; DOI: 10.1039/P19900000167 |
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Synthesis of the Griseusin A ring system Margaret A. Brimble and Michael R. Nairn pg 169; DOI: 10.1039/P19900000169 |
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Synthesis of ethynylglycine (FR-900130) Robert M. Williams David J. Aldous and Suzanne C. Aldous pg 171; DOI: 10.1039/P19900000171 |
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Facile acylation of alcohols using esters and silica gel-supported metallic sulphates and hydrogen sulphates Takeshi Nishiguchi and Hisashi Taya pg 172; DOI: 10.1039/P19900000172 |
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Imidazo[4,5-e][1,3]diazepine-4,6-dione. A novel xanthine analogue Peter K. Bridson and Steven J. Lambert pg 173; DOI: 10.1039/P19900000173 |
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A crown ether tetrathiafulvalene cage J. Becher T. K. Hansen N. Malhotra G. Bojesen S. Bøwadt K. S. Varma B. Girmay J. D. Kilburn and A. E. Underhill pg 175; DOI: 10.1039/P19900000175 |
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A concise synthesis of the pseudoguaianolide skeleton Luiz-Claudio de Almeida Barbosa and John Mann pg 177; DOI: 10.1039/P19900000177 |
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Functionalization of the methyl group of 2-methylindole by direct generation of a C,N-dianion Satoshi Inagaki Yoshihiro Nishizawa Takashi Sugiura and Hideharu Ishihara pg 179; DOI: 10.1039/P19900000179 |
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Selective synthesis of seven-membered cyclic thione analogues of acid anhydrides and other related derivatives via a benzannelated nickelacycle Juan Cámpora Ernesto Carmona Pilar Palma and Manuel L. Poveda pg 180; DOI: 10.1039/P19900000180 |
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S-vinyl thio-oximes from thioketenes and benzylnitrene Ernst Schaumann Oliver Bolte and Helmut Behr pg 182; DOI: 10.1039/P19900000182 |
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Synthesis of semivioxanthin via a polyketide Masahiko Yamaguchi Tadashi Okuma Shigeo Nakamura and Toru Minami pg 183; DOI: 10.1039/P19900000183 |
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Euferol and melliferol: two novel triterpenoids from Euphorbia mellifera M. José U. Ferreira Ana M. Lobo Caroline A. O'Mahoney David J. Williams and Hugo Wyler pg 185; DOI: 10.1039/P19900000185 |
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1-Tributylstannyl-3,3-diethoxyprop-1 -ene as a d3 acrolein equivalent Jean-Luc Parrain Alain Duchêne and Jean-Paul Quintard pg 187; DOI: 10.1039/P19900000187 |
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Photoinduced electron-transfer reactions of 1,3,5-tricyanobenzene with olefins Mamoru Ohashi Nobuyuki Aoyagi Takashi Miyama Soichiro Kyushin and Shuzo Yamada pg 189; DOI: 10.1039/P19900000189 |
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Synthesis and properties of a bis[(porphyrin-2-yl)methyl] ether, a model for the oligomers in haematoporphyrin derivative (HpD) Raymond Bonnett David Moffat Alexander N. Nizhnik and Alexander D. Osborne pg 191; DOI: 10.1039/P19900000191 |
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Short synthetic routes to sulphur-bridged analogues of 6,7-didehydroleukotriene B3 Sara J. Phythian Richard J. K. Taylor and John R. Bantick pg 194; DOI: 10.1039/P19900000194 |
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A simplified route to a key intermediate in the synthesis of the Chinese nootropic agent huperzine A Alan P. Kozikowski E. Rajarathnam Reddy and Chris P. Miller pg 195; DOI: 10.1039/P19900000195 |
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Synthesis of the 4-alkylidenebutenolide carotenoids, peridinin and pyrrhoxanthin Masayoshi Ito Yumiko Hirata Yuko Shibata and Kiyoshi Tsukida pg 197; DOI: 10.1039/P19900000197 |
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Very high diastereofacial selectivity in the nucleophilic epoxidation of N-(p-tolylsulphonyl)vinylsulphoximines Peter L. Bailey William Clegg Richard F. W. Jackson and Otto Meth-Cohn pg 200; DOI: 10.1039/P19900000200 |
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Instructions for authors (1990) pg v; DOI: 10.1039/P1990000000v |
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IUPAC publications on nomenclature and symbolism pg xx; DOI: 10.1039/P199000000xx |
Issue 2
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Front cover pg X005; DOI: 10.1039/P199000FX005 |
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Contents pages pg P005; DOI: 10.1039/P199000FP005 |
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Back cover pg X007; DOI: 10.1039/P199000BX007 |
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Oligomeric flavanoids. Part 7. Novel base-catalysed pyran rearrangements of procyanidins Jan P. Steynberg Barend C. B. Bezuidenhoudt Johann F. W. Burger Desmond A. Young and Daneel Ferreira pg 203; DOI: 10.1039/P19900000203 |
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Oligomeric flavanoids. Part 8. The first profisetinidins and proguibourtinidins based on C-8 substituted (–)-fisetinidol units and related C-ring isomerized analogues Johannes C. S. Malan Jacobus A. Steenkamp Jan P. Steynberg Desmond A. Young E. Vincent Brandt and Daneel Ferreira pg 209; DOI: 10.1039/P19900000209 |
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Oligomeric flavanoids. Part 9. The first biflavanoids based on mopanol and peltogynol as inceptive electrophiles Johannes C. S. Malan Desmond A. Young Jan P. Steynberg and Daneel Ferreira pg 219; DOI: 10.1039/P19900000219 |
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Oligomeric flavanoids. Part 10. Structure and synthesis of the first tetrahydropyrano[3,2-g]chromenes related to (4,6)-bis-(–)-fisetinidol profisetinidins Johannes C. S. Malan Desmond A. Young Jan P. Steynberg and Daneel Ferreira pg 227; DOI: 10.1039/P19900000227 |
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Oligomeric flavanoids. Part 11. Structure and synthesis of the first phlobatannins related to (4,6:4,8)-bis-(–)-fisetinidol-(+)-catechin profisetinidin triflavanoids Jan P. Steynberg Jacobus A. Steenkamp Johann F. W. Burger Desmond A. Young and Daneel Ferreira pg 235; DOI: 10.1039/P19900000235 |
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Cycloaddition route to 14,17-ethano- and 14-alkyl-19-norsteroids James R. Bull and Russell I. Thomson pg 241; DOI: 10.1039/P19900000241 |
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First total synthesis of coenzyme factor 420 Tetsutaro Kimachi Masahiro Kawase Shinsuke Matsuki Kiyoshi Tanaka and Fumio Yoneda pg 253; DOI: 10.1039/P19900000253 |
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Stereoselective introduction of a carboxy group into a santonin derivative for higher terpene lactone synthesis Masataka Watanabe and Akira Yoshikoshi pg 257; DOI: 10.1039/P19900000257 |
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Functionalised benzocyclo-octenones: synthesis and chemistry Ahmed Chenna John Donnelly Kevin J. McCullough George R. Proctor and James Redpath pg 261; DOI: 10.1039/P19900000261 |
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Synthesis and chiral recognition of optically active crown ethers incorporating a helicene moiety as the chiral centre Koji Yamamoto Tetsuo Ikeda Tomihito Kitsuki Yoshio Okamoto Hiroaki Chikamatsu and Masao Nakazaki pg 271; DOI: 10.1039/P19900000271 |
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Acyloxylation at the 4-position of azetidin-2-ones Christopher J. Easton Stephen G. Love and Peng Wang pg 277; DOI: 10.1039/P19900000277 |
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C-nucleosides. Part 1. Preparation of tiazofurin and N-substituted tiazofurins from benzyl (2,3,5-tri-O-benzoyl--D-ribofuranosyl)penicillinate David C. Humber Keith R. Mulholland and Richard J. Stoodley pg 283; DOI: 10.1039/P19900000283 |
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Oligosaccharides corresponding to biological repeating units of Shigella flexneri variant Y polysaccharide: part 3. Synthesis and 2D-nuclear magnetic resonance analysis of a heptasaccharide hapten B. Mario Pinto Kerry B. Reimer David G. Morissette and David R. Bundle pg 293; DOI: 10.1039/P19900000293 |
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Imines and derivatives. Part 24. Nitrone synthesis by imine oxidation using either a peroxyacid or dimethyldioxirane Derek R. Boyd Peter B. Coulter M. Rosaleen McGuckin Narain D. Sharma W. Brian Jennings and Valerie E. Wilson pg 301; DOI: 10.1039/P19900000301 |
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Ebenaceae extractives. Part 10. Macassaric acid, an o-methoxycarbonylcinnamic acid from macassar ebony Bhim C. Maiti and Oliver C. Musgrave pg 307; DOI: 10.1039/P19900000307 |
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Synthesis of the insect feeding deterrent peramine via Michael addition of a pyrrole anion to a nitroalkene Margaret A. Brimble and Daryl D. Rowan pg 311; DOI: 10.1039/P19900000311 |
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Total syntheses of riccardins A, B, and C, cytotoxic macrocyclic bis(bibenzyls) from liverworts Ágnes Gottsegen Mihály Nógrádi Borbála Vermes Mária Kajtár-Peredy and Éva Bihátsi-Karsai pg 315; DOI: 10.1039/P19900000315 |
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Reactions of aryl azides with alkenes in the presence of aluminium trichloride. Formation of novel aziridines fused to seven- and eight-membered rings Hiroshi Takeuchi Yukihiko Shiobara Hideyuki Kawamoto and Kikuhiko Koyama pg 321; DOI: 10.1039/P19900000321 |
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An easy general synthesis of 2-(N,N-dialkylamino)thiazol-5-yl aldehydes and ketones Indu Sawhney and John R. H. Wilson pg 329; DOI: 10.1039/P19900000329 |
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Synthesis and properties of methanothia-[15]-, -[17]-, -[19]-, -[21]-, -[23]-, -[25]-, -[27]-, -[29]-annulene and dimethanodithia-[26]- and -[30]-annulene J  ro Ojima Tamae Hashimoto Junji Katsuyama Hiroki Miyashita Satoshi Fujita Shigeyasu Kuroda Yoshinari Kano and Gaku Yamamoto pg 333; DOI: 10.1039/P19900000333 |
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Neighbouring group participation in the cleavage of some steroidal hydroxy epoxides George A. Morrison and John B. Wilkinson pg 345; DOI: 10.1039/P19900000345 |
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Studies on intramolecular cycloadditions involving 3-oxidopyridinium Steven M. Bromidge David A. Archer and Peter G. Sammes pg 353; DOI: 10.1039/P19900000353 |
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Iron-catalysed oxidation of N,N-(dialkyl)acylmethylamines with molecular oxygen in the presence of either 2-mercaptoethanol or sodium sulphide Satoru Murata Kaoru Suzuki Masahiro Miura and Masakatsu Nomura pg 361; DOI: 10.1039/P19900000361 |
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Novel reaction of uracil derivatives possessing electron-withdrawing groups at the 5-position with amines: exchange reaction between the N1-portion of uracils and amines Kosaku Hirota Yukio Kitade Hironao Sajiki Yoshifumi Maki and Motoi Yogo pg 367; DOI: 10.1039/P19900000367 |
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2-Methyl-4,5-dihydroimidazole as a doubly nucleophilic unit: preparation of dihydroimidazole azaprostanoids Raymond C. F. Jones and Julie Schofield pg 375; DOI: 10.1039/P19900000375 |
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Tetrahydrofolate coenzyme models: synthesis of tetrahydroimidazoisoquinolines and tetrahydroimidazoquinolines Raymond C. F. Jones Mark J. Smallridge and Christopher B. Chapleo pg 385; DOI: 10.1039/P19900000385 |
Asymmetric synthesis of alpha substituted benzyl alcohols via the stereoselective addition of nucleophiles to homochiral tricarbonyl( 6-o-trialkylsilylbenzaldehyde)chromium(0) complexesStephen G. Davies and Craig L. Goodfellow pg 393; DOI: 10.1039/P19900000393 |
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Stereochemistry of (–)-virantmycin Clive M. Pearce and Jeremy K. M. Sanders pg 409; DOI: 10.1039/P19900000409 |
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Perkin communications. Heterocyclic [4++ 2] cycloadditions: the reactivity of pyridinium salts with electron-rich olefins J. R. Falck Steven J. Wittenberger D. Rajapaksa Charles Mioskowski and Benaissa Boubia pg 413; DOI: 10.1039/P19900000413 |
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The chemistry of bis-spiroacetals. Synthesis of the novel 1,7,9-trioxadispiro[5.1.5.3]hexadecane ring system Margaret A. Brimble Carolyn J. Rush Geoffrey M. Williams and Edward N. Baker pg 414; DOI: 10.1039/P19900000414 |
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An easy synthesis of -chloro--bromo or ,-dichloro ketones José Barluenga Luján Llavona José M. Concellón and Miguel Yus pg 417; DOI: 10.1039/P19900000417 |
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Synthesis of ()-trimethylpeltogynol via 6-endo radical cyclisation S. Asiah Ahmad-Junan and Donald A. Whiting pg 418; DOI: 10.1039/P19900000418 |
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Regiospecific synthesis of 1-silyl substituted 1,4-dienes Ernst Schaumann and Andreas Kirschning pg 419; DOI: 10.1039/P19900000419 |
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Chelation effects in the binding of bidentate ligands by a face-to-face zinc porphyrin Ian P. Danks I. O. Sutherland and Chee Hong Yap pg 421; DOI: 10.1039/P19900000421 |
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Intramolecular cyclisation catalysed by silver(I) ion; a convenient synthesis of aurones Ting-Ting Jong and Shang-Jen Leu pg 423; DOI: 10.1039/P19900000423 |
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Barbier-type allylation of aldehydes mediated by antimony(III) chloride–metallic iron or antimony(III) chloride–metallic aluminium Wei-Bo Wang Li-Lan Shi Ruo-Hui Xu and Yao-Zeng Huang pg 424; DOI: 10.1039/P19900000424 |
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Synthesis of the lignan ()-dihydrosesamin: problems of stereocontrol in the formation of 2,3,4-trisubstituted tetrahydrofurans and tetrahydrofuranones David R. Stevens and Donald A. Whiting pg 425; DOI: 10.1039/P19900000425 |
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Asymmetric Diels–Alder reaction with use of (S)-5-(trityloxymetyl)pyrrolidin-2-one as a chiral auxiliary Kiyoshi Tomioka Noriko Hamada Toshiro Suenaga and Kenji Koga pg 426; DOI: 10.1039/P19900000426 |
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A novel synthesis of (+)-4-demethoxydaunomycinone Walter Cabri Silvia De Bernardinis Franco Francalanci and Sergio Penco pg 428; DOI: 10.1039/P19900000428 |
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A simple and efficient heterogeneous hydrolysis of N,N-dimethylhydrazone derivatives Hiyoshizo Kotsuki Aya Miyazaki Isao Kadota and Masamitsu Ochi pg 429; DOI: 10.1039/P19900000429 |
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Selective monohydrolysis of a calix[4]arene tetraethyl ester with trifluoroacetic acid and its inhibition by Na+ ion: evidence for hydronium ion complexation Volker Böhmer Walter Vogt Stephen J. Harris Raymond G. Leonard Elizabeth M. Collins Mary Deasy M. Anthony McKervey and Michael Owens pg 431; DOI: 10.1039/P19900000431 |
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Synthesis of 3-methoxy-2-iso-oxacephalosporin Hajime Nitta Minoru Hatanaka and Ikuo Ueda pg 432; DOI: 10.1039/P19900000432 |
Issue 3
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Front cover pg X009; DOI: 10.1039/P199000FX009 |
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Contents pages pg P011; DOI: 10.1039/P199000FP011 |
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Back cover pg X011; DOI: 10.1039/P199000BX011 |
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On the reaction of N-vinyliminophosphoranes. Part 11. Convenient synthesis of 9 H-cyclohepta[b]pyridines and pyridotropones Makoto Nitta and Yukio Iino pg 435; DOI: 10.1039/P19900000435 |
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A new route to naphtho[2,3-b]furan-4,9-diones from thio-substituted 1,4-naphthoquinones Wen-Bing Kang Takashi Sekiya Takeshi Toru and Yoshio Ueno pg 441; DOI: 10.1039/P19900000441 |
Preparation and chemistry of some 1,5-diphenyl-1 4,2,4-thiadiazine 1-oxidesStuart D. Jones Peter D. Kennewell W. Roger Tulley Robert Westwood and Peter G. Sammes pg 447; DOI: 10.1039/P19900000447 |
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Synthesis and chemistry of azolenines. Part 16. Preparation of both 3H- and 2H-pyrroles from 2,2-disubstituted 1,4-diketones via the Paal-Knorr reaction, and isolation of intermediate 2-hydroxy-3,4-dihydro-2H-pyrroles Kon-Hung Lui and Michael P. Sammes pg 457; DOI: 10.1039/P19900000457 |
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Synthesis of 2,6-disubstituted dihydronaphthalenes and naphthalenes by electrocyclic reaction of o-quinodimethane. A synthesis of ()-naproxen Kozo Shishido Akitake Yamashita Kou Hiroya Keiichiro Fukumoto and Tetsuji Kametani pg 469; DOI: 10.1039/P19900000469 |
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Diisophorone and related compounds. Part 23. A rearrangement of the tricyclo[7.3.1.02,7] tridecane to the bicyclo[4.2.1]nonane-7-spiro-2-(tetrahydrofuran) ring system Frederick Kurzer and Anthony A. Allen pg 477; DOI: 10.1039/P19900000477 |
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Flash-pyrolysis of 1-vinylbenzotriazoles Stephen J. Barker and Richard C. Storr pg 485; DOI: 10.1039/P19900000485 |
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Bacterial metabolism of 6,7-dihydro-5H-benzocycloheptene by Pseudomonas putida. Synthesis and absolute configuration of benzylic alcohol and cis-diol metabolites of 6,7-dihydro-5H-benzocycloheptene Derek R. Boyd Michael R. J. Dorrity John F. Malone R. Austin S. McMordie Narain D. Sharma Howard Dalton and Paul Williams pg 489; DOI: 10.1039/P19900000489 |
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Synthesis of acylated thioureylenedisaccharides Martin Avalos Reyes Babiano Pedro Cintas Jose L. Jiménez Juan C. Palacios and Jose Fuentes pg 495; DOI: 10.1039/P19900000495 |
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The cyclisation of benzylaminonitriles. Part 7. Regiospecific formation of methoxy-substituted isoquinolin-4-ones using methylthio activating groups James P. Gavin and Roger D. Waigh pg 503; DOI: 10.1039/P19900000503 |
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Organic heterocyclothiazenes. Part 13. Rational synthesis and chemistry of 1,3,5,2,4-trithiadiazines Robin M. Bannister and Charles W. Rees pg 509; DOI: 10.1039/P19900000509 |
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C-Nucleosides. Part 13. Synthesis of 5-nitro-2-(-D-ribofuranosyl)furan Isamu Maeba Kazuya Osaka and Chihiro Ito pg 515; DOI: 10.1039/P19900000515 |
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A short-step synthesis of 14,15-dinoreudesmanolides using intramolecular cyclization of an allylsilane Chiaki Kuroda Shigeru Shimizu and James Y. Satoh pg 519; DOI: 10.1039/P19900000519 |
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Petuniolides. Unusual ergostanoid lactones from Petunia species that inhibit insect development Carl A. Elliger Rosalind Y. Wong Anthony C. Waiss Jr. and Mabry Benson pg 525; DOI: 10.1039/P19900000525 |
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1,3-Dipolar cycloadditions to nitrogen-substituted allenes Gianluigi Broggini Luca Bruché Gaetano Zecchi and Tullio Pilati pg 533; DOI: 10.1039/P19900000533 |
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Reactions of benzotriazole with formaldehyde and aliphatic primary amines: selective formation of 1 : 1 : 1, of 2 : 2 : 1, and of 2 : 3 : 2 adducts and a study of their reactions with nucleophiles Alan R. Katritzky Boguslaw Pilarski and Laszlo Urogdi pg 541; DOI: 10.1039/P19900000541 |
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Reactions of azo and azoxy sulphones with transition metal complexes. Part 7. Arylation of olefins with arylazoxy aryl sulphones catalysed by a palladium(0) phosphine complex Nobumasa Kamigata Takamasa Fukushima Akira Satoh and Masayuki Kameyama pg 549; DOI: 10.1039/P19900000549 |
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A trans-folded alkene system: synthesis, structure and isomerization of 2,2-diaryl-1,1-bi(1,2-dihydrophthalazinylidenes) Richard N. Butler Ann M. Gillan Fiona A. Lysaght Patrick McArdle and D. Cunningham pg 555; DOI: 10.1039/P19900000555 |
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Photochemical reactions of quinoxalin-2-ones and related compounds Takehiko Nishio pg 565; DOI: 10.1039/P19900000565 |
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Stereocontrolled synthesis of necine bases, (+)-heliotridine and (+)-retronecine Tetsuji Kametani Hirotaka Yukawa and Toshio Honda pg 571; DOI: 10.1039/P19900000571 |
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Homochiral fluoro-organic compounds. Synthesis of the two enantiomers of (Z)-3-fluoro-4-phenyl-1-(p-tolylsulphonyl)but-3-en-2-ol through microbial reduction Rosanna Bernardi Pierfrancesco Bravo Rosanna Cardillo Dario Ghiringhelli and Giuseppe Resnati pg 579; DOI: 10.1039/P19900000579 |
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New near-infrared absorbing metal complex dyes with heterocyclic phenyliminoquinone-type ligands Yuji Kubo Hisa Kataoka Masayo Ikezawa and Katsuhira Yoshida pg 585; DOI: 10.1039/P19900000585 |
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Synthesis, NMR, and conformational studies of some 1,2- and 1,3-linked disaccharides Per-Erik Jansson Lennart Kenne Kerstin Persson and Göran Widmalm pg 591; DOI: 10.1039/P19900000591 |
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Sulphur-mediated five-membered ring expansions. Steroidal examples Zdzis  aw Paryzek and Jacek Martynow pg 599; DOI: 10.1039/P19900000599 |
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Dephosphorylation of cyano diethyl phosphates by reduction with lithium–liquid ammonia: an efficient method for conversion of carbonyl compounds into nitriles Ryuji Yoneda Takahiro Osaki Shinya Harusawa and Takushi Kurihara pg 607; DOI: 10.1039/P19900000607 |
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Tetramic acid chemistry. Part 1. Reinvestigation of racemisation during the synthesis of tetramic acids via Dieckmann cyclisation Joël Poncet Patrick Jouin Bertrand Castro Louisette Nicolas Mohamed Boutar and Alain Gaudemer pg 611; DOI: 10.1039/P19900000611 |
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Stabilisation of the thromboxane ring system by electron-withdrawing substituents: synthesis and attempted cyclisation of substituted tetrahydropyran-2,4-diols Anthony J. Kirby Hamish Ryder and Victor Matassa pg 617; DOI: 10.1039/P19900000617 |
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The stereocontrolled synthesis of a 2,3,3-trisubstituted cyclohexanone involving hydroxylactonisation of a tertiary amide Peter M. Cairns Colin Howes and Paul R. Jenkins pg 627; DOI: 10.1039/P19900000627 |
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Substituent effects on the reactivity of 2-morpholinobutadienes in the presence of dienophiles José Barluenga Fernando Aznar María-Paz Cabal and Carlos Valdés pg 633; DOI: 10.1039/P19900000633 |
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Synthesis of optically active 2-furylmethanols as useful chiral building blocks and its application to the synthesis of (5R,6S)-6-acetoxyhexadecan-5-olide and (+)-disparlure Tetsuji Kametani Masayoshi Tsubuki Yoko Tatsuzaki and Toshio Honda pg 639; DOI: 10.1039/P19900000639 |
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Palladium-catalysed 1,4-arylation/alkylation of buta-1,3-diene with halogenoarenes and stabilised anions Mitsunari Uno Terumasa Takahashi and Shigetoshi Takahashi pg 647; DOI: 10.1039/P19900000647 |
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Sulphur trioxide/thiol: a novel system for the reduction of methionine sulphoxide Shiroh Futaki Takeshi Yagami Takashi Taike Tadashi Akita and Kouki Kitagawa pg 653; DOI: 10.1039/P19900000653 |
Design and synthesis of  -oxygenated phosphinothricins as inhibitors of glutamine synthetaseDaniel M. Walker John F. McDonald John E. Franz and Eugene W. Logusch pg 659; DOI: 10.1039/P19900000659 |
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Mono-N-alkylation of -aminoacetonitriles. A novel route to unsymmetrical secondary amines Alan R. Katritzky Muhammad Latif and Laszlo Urogdi pg 667; DOI: 10.1039/P19900000667 |
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Diels–Alder reactivity of pyrano[4,3-b]indol-3-ones, indole 2,3-quinodimethane analogues Christopher J. Moody and Kulsum F. Rahimtoola pg 673; DOI: 10.1039/P19900000673 |
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Preparation and Diels–Alder reactivity of benzothieno[2,3-c]- and benzothieno[3,2-c]-pyran-3-ones, benzothiophene-2,3-quinodimethane analogues; synthesis of dibenzothiophenes P. Mark Jackson and Christopher J. Moody pg 681; DOI: 10.1039/P19900000681 |
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Preparation of tetrahydrobenz[cd]indoles from 1-tetralones Anthony L. Beck William J. Coates and Christopher J. Moody pg 689; DOI: 10.1039/P19900000689 |
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A novel synthesis of -fluoroalkylvinyl- or -fluoroepoxyalkyl-phosphonates Yanchang Shen Qimu Liao and Weiming Qiu pg 695; DOI: 10.1039/P19900000695 |
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Potential glycosidase inhibitors: synthesis of 1,4-dideoxy-1,4-imino derivatives of D-glucitol, D- and L-xylitol, D- and L-allitol, D- and L-talitol, and D-gulitol J. Grant Buchanan Keith W. Lumbard Robert J. Sturgeon Deryk K. Thompson and Richard H. Wightman pg 699; DOI: 10.1039/P19900000699 |
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Dehydrogenation with benzeneseleninic anhydride in the total synthesis of ergot alkaloids Ichiya Ninomiya Chiyomi Hashimoto Toshiko Kiguchi Takeaki Naito Derek H. R. Barton Xavier Lusinchi and Pierre Milliet pg 707; DOI: 10.1039/P19900000707 |
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Reaction of arylboronic acids and their derivatives with lead tetra-acetate. The generation of aryl–lead triacetates, and meta- and para-phenylenebis(lead triacetate), in situ for electrophilic arylation Jacqueline Morgan and John T. Pinhey pg 715; DOI: 10.1039/P19900000715 |
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Reaction of aryl-lead triacetates with sodium azide in dimethyl sulphoxide: a new route to aryl azides Marie-Luise Huber and John T. Pinhey pg 721; DOI: 10.1039/P19900000721 |
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An approach to the cyclohexyl moiety of the immunosuppressive agent FK-506 Anthony J. Pearson and Brian A. Roden pg 723; DOI: 10.1039/P19900000723 |
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The structure of euphorianin, an ingol diterpenoid from Euphorbia poisonii Christopher O. Fakunle Joseph I. Okogun Donald E. Ekong Joseph D. Connolly and David S. Rycroft pg 727; DOI: 10.1039/P19900000727 |
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Support studies for the conversion of actinobolin into bactobolin Russell Underwood and Bert Fraser-Reid pg 731; DOI: 10.1039/P19900000731 |
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Support studies for formulating the nine contiguous chiral centres of streptovaricin A ansa chain David R. Mootoo and Bert Fraser-Reid pg 739; DOI: 10.1039/P19900000739 |
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Generation of -D-glucopyranosylacetonitrilium ions. Concerning the reverse anomeric effect Andrew J. Ratcliffe and Bert Fraser-Reid pg 747; DOI: 10.1039/P19900000747 |
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Intramolecular acetalization of 5-hydroxy ketones and enones. A novel transformation of important prostaglandin intermediates under acidic conditions Sigfrid Schwarz Gisela Weber Hans-Joachim Palme Manfred Wentzke Günther Reck and Hans Schick pg 751; DOI: 10.1039/P19900000751 |
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New method for the selective reduction of amides Shwu-Chen Tsay Jeffrey A. Robl and Jih Ru Hwu pg 757; DOI: 10.1039/P19900000757 |
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Nucleophilic addition to tricarbonyliron(0) complexes of 1-aza-1,3-dienes and the production of pyrroles Timothy N. Danks and Susan E. Thomas pg 761; DOI: 10.1039/P19900000761 |
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The conversion of phenols to primary and secondary aromatic amines via a Smiles rearrangement Ian G. C. Coutts and Mark R. Southcott pg 767; DOI: 10.1039/P19900000767 |
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Total synthesis of analogues of the -lactam antibiotics. Part 5. 3-Thiacepham-4-exo-carboxylates and their 1,1,3,3-tetraoxides Brian Beagley Peter H. Crackett Robin G. Pritchard Richard J. Stoodley and Colin W. Greengrass pg 773; DOI: 10.1039/P19900000773 |
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Synthesis of phospholipids by phosphoramidite methodology Christopher McGuigan and Bernadette Swords pg 783; DOI: 10.1039/P19900000783 |
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Allylic hydroperoxides formed by singlet oxygenation of cholest-5-en-3-one Hai-Shan Dang Alwyn G. Davies and Carl H. Schiesser pg 789; DOI: 10.1039/P19900000789 |
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Nucleoside analogues. Part 10. Synthesis of three unusual 5-fluorouracil seco-nucleosides incorporating N-(2-chloroethyl)-N-nitrosourea residues Neil M. Lucey Joan E. McCormick and R. Stanley McElhinney pg 795; DOI: 10.1039/P19900000795 |
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Perkin communications. 4,4-Dimethoxytrityl and 4-monomethoxytrityl tetrafluoroborate: convenient reagents for the protection of primary alcohols including sugars Christine Bleasdale Simon B. Ellwood and Bernard T. Golding pg 803; DOI: 10.1039/P19900000803 |
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Structural and stereochemical correlations of polypropionate metabolites from marine pulmonates: revision of the relative stereochemistry of pectinatone by X-ray structure analysis Mary J. Garson Christopher J. Small Brian W. Skelton Pongchan Thinapong and Allan H. White pg 805; DOI: 10.1039/P19900000805 |
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Preparation of the parent heterocycles, 1,4,2-dithiazole-5-thione, 1,4,2-dithiazol-5-one, and the 1,4,2-dithiazolium cation Kwok-Fai Wai and Michael P. Sammes pg 808; DOI: 10.1039/P19900000808 |
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Rearrangement of 1-amino- and 1-alkylamino-pyrazoles to 5-aminopyrazoles Dionisia Sanz Rosa M a Claramunt José Elguero Loreto Salazar and Modesta Espada pg 809; DOI: 10.1039/P19900000809 |
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Corrigenda Jonathan M. Brown Chris Christodoulou Anil S. Modak Colin B. Reese and Halina T. Serafinowska pg 811; DOI: 10.1039/P19900000811 |
Issue 4
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Front cover pg X013; DOI: 10.1039/P199000FX013 |
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Back cover pg X015; DOI: 10.1039/P199000BX015 |
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Contents pages pg P017; DOI: 10.1039/P199000FP017 |
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2,3,4,9-Tetrahydrothiopyrano[2,3-b]indoles: synthesis via an intramolecular indole Grignard reaction and conformational study by 1H and 13C NMR spectroscopy Natsuki Ishizuka pg 813; DOI: 10.1039/P19900000813 |
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(R)- and (S)-4-methylaminomethyl-2,3,4,9-tetrahydrothiopyrano[2,3-b]indole: synthesis, absolute configuration, conformation, and analgesic activity Natsuki Ishizuka Motoo Shiro and Yasuo Makisumi pg 827; DOI: 10.1039/P19900000827 |
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Umpolung of tropone: the reaction of 2-halogenocycloheptadienone enolates with tropylium cations and several other cationic electrophiles. Preparation of novel 2-substituted and 2,7-disubstituted tropones Hiroyuki Miyano and Makoto Nitta pg 839; DOI: 10.1039/P19900000839 |
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Aqueous and anhydrous degradations of 6-formamidopenicillins E. Alan Cutmore Angela W. Guest Julia D. I. Hatto Clive J. Moores Terence C. Smale Andrew V. Stachulski and John W. Tyler pg 847; DOI: 10.1039/P19900000847 |
Photochemical reactions of ,-unsaturated , -epoxy ketones and nitriles in the presence of amineKeitaro Ishii Dan Gong Ryo Asai and Masanori Sakamoto pg 855; DOI: 10.1039/P19900000855 |
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Photo-oxygenation of benzene derivatives by a novel derivative of the heterocyclic N-oxide, pyrimido[5,4-g]pteridine 5-oxide, involving a single-electron-transfer process Magoichi Sako Seiji Ohara Kaoru Shimada Kosaku Hirota and Yoshifumi Maki pg 863; DOI: 10.1039/P19900000863 |
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Synthesis and properties of dimethyltetradehydrothia-[19]-, -[21]-, -[23]-, and -[25]-annulene. Diatropic and paratropic analogues of thiophene J ro Ojima Michiaki Nagaya Junji Katsuyama and Gaku Yamamoto pg 869; DOI: 10.1039/P19900000869 |
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Synthesis of 5-epi-7-deoxykalafungin and 5-epi-7-O-methylkalafungin Margaret A. Brimble and Susan J. Stuart pg 881; DOI: 10.1039/P19900000881 |
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Selective functionalisation. Part 11. Selective hydrogenation by a novel palladium salicylidene-ethylenediamine complex and the properties of derivatives of some square planar homogeneous hydrogenation catalysts James M. Kerr Colin J. Suckling and Peter Bamfield pg 887; DOI: 10.1039/P19900000887 |
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Halogenation using quaternary ammonium polyhalides. Part 22. Selective bromination of aromatic ethers with benzyltrimethylammonium tribromide Shoji Kajigaeshi Masayuki Moriwaki Toshio Tanaka Shizuo Fujisaki Takaaki Kakinami and Tsuyoshi Okamoto pg 897; DOI: 10.1039/P19900000897 |
Photocyclization of ( -dialkylamino)alkyl -oxoesters via remote hydrogen transferTadashi Hasegawa Takuya Ogawa Kazuko Miyata Atsushi Karakizawa Mikiko Komiyama Kaori Nishizawa and Michikazu Yoshioka pg 901; DOI: 10.1039/P19900000901 |
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Preparation of 2-arylpropanoic acids by oxidative aryl migration in (-aryl--hydroxy)alkyl phenyl selenides Sakae Uemura Kouichi Ohe Takayoshi Yamauchi Shoichi Mizutaki and Kentaro Tamaki pg 907; DOI: 10.1039/P19900000907 |
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Synthesis and NMR characterization of the trypanosomatid metabolite, N1,N8-bis(glutathionyl)spermidine disulphide (trypanothione disulphide) Graeme B. Henderson John Glushka David Cowburn and Anthony Cerami pg 911; DOI: 10.1039/P19900000911 |
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Reactivity of 10-thiaisoalloxazine. Ring-contraction by water (hydroxide ion) followed by redox reaction Magoichi Sako Reiko Totani Takashi Niwa Kosaku Hirota and Yoshifumi Maki pg 915; DOI: 10.1039/P19900000915 |
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Imidazol-5-yl radicals as reactive intermediates W. Russell Bowman and Peter F. Taylor pg 919; DOI: 10.1039/P19900000919 |
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Preparation of gibberellin hapten–protein conjugates. Part 1. Conjugation via carboxymethylenation at C-17 Michael H. Beale pg 925; DOI: 10.1039/P19900000925 |
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The stereo- and regio-specific formation of 11-oxatetracyclo[6.2.1.0.0]undeca-5,9-dienes by the substituent-directed photocycloaddition of furan to the benzene ring Andrew Gilbert and Paul W. Rodwell pg 931; DOI: 10.1039/P19900000931 |
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Catalytic asymmetric synthesis of optically active alkynyl alcohols by enantioselective alkynylation of aldehydes and by enantioselective alkylation of alkynyl aldehydes Seiji Niwa and Kenso Soai pg 937; DOI: 10.1039/P19900000937 |
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Diastereoselective free-radical reactions. Part 1. Preparation of 2-deoxy--glycosides by synthesis and reductive decarboxylation of 3-deoxyulosonic acid glycosides David Crich and Timothy J. Ritchie pg 945; DOI: 10.1039/P19900000945 |
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The synthesis of 4-alkylsulphonyl-5-amino- and 5-amino-4-phosphono-imidazole nucleosides as potential inhibitors of purine biosynthesis J. Grant Buchanan Avril E. McCaig and Richard H. Wightman pg 955; DOI: 10.1039/P19900000955 |
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Synthetic ionophores. Part 4. Phase transfer-catalysed synthesis of pyridine-containing macrocycles and their ionophore character Harjit Singh Subodh Kumar (Miss) Anupa Jain and Paramjit Singh pg 965; DOI: 10.1039/P19900000965 |
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Approaches to the synthesis of 2-thio analogues of pyrimidine ribosides K. J. Divakar Alexander Mottoh Colin B. Reese and Yogesh S. Sanghvi pg 969; DOI: 10.1039/P19900000969 |
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Photochemistry of halogenocarbon compounds. Part 5. Photolysis of fluorinated 1,2,3-triazine derivatives Richard D. Chambers Thomas Shepherd and Masayuki Tamura pg 975; DOI: 10.1039/P19900000975 |
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Photochemistry of halogenocarbon compounds. Part 6. Direct observation of fluorinated azetes Richard D. Chambers Thomas Shepherd Masayuki Tamura and Peter Hoare pg 983; DOI: 10.1039/P19900000983 |
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Organomercury chemistry of iridoid glucosides. Part 2. Chemoselective methoxymercuriation-demercuriation of aucubin: a new approach to optically active cyclopentenols Giuseppe Carnevale Enrico Davini Carlo Iavarone and Corrado Trogolo pg 989; DOI: 10.1039/P19900000989 |
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Thermal Claisen rearrangement of allyl ethers of isomeric acetylnaphthols Ammanamanchi S. R. Anjaneyulu and Balagopala M. Isaa pg 993; DOI: 10.1039/P19900000993 |
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Substituent effects on the acid-catalyzed isomerization of 2-cyclohepta-2,4,6-trienyltropone derivatives to 2-benzyltropones Hiroyuki Miyano and Makoto Nitta pg 999; DOI: 10.1039/P19900000999 |
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Synthesis and characterisation of some new diazopeptides Brian C. Challis and Farida Latif pg 1005; DOI: 10.1039/P19900001005 |
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Dioxazole and dioxetane intermediates in the thermal rearrangement of endo-peroxides obtained by dye-sensitized photo-oxygenation of 2-alkoxyoxazoles M. Liliana Graziano M. Rosaria Iesce Guido Cimminiello Rachele Scarpati and Michelangelo Parrilli pg 1011; DOI: 10.1039/P19900001011 |
Starfish saponins. Part 40. Structures of two new  asterosaponins from the starfish Patiria miniata: patirioside A and patirioside BM. Valeria D'Auria Maria Iorizzi Luigi Minale and Raffaele Riccio pg 1019; DOI: 10.1039/P19900001019 |
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A study on the reactions of some ketenes with 1-aroyl-1H-pyrazoles Sophia Mitkidou Stelios Papadopoulos Julia Stephanidou-Stephanatou Aristides Terzis and Demetrios Mentzafos pg 1025; DOI: 10.1039/P19900001025 |
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Photoinduced molecular transformations. Part 106. Intramolecular addition vs-scission of oxyl radicals generated from A-homo-5-cholest-1-en-4- and -4-ol hypoiodites and 4-methyl-A-homo-5-cholest-1-en-4- and -4-ol hypoiodites Hiroshi Suginome Yoshimasa Yamamoto and Kazuhiko Orito pg 1033; DOI: 10.1039/P19900001033 |
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Organic synthesis with -chloro sulphides. Preparation of aromatic -lactones from phenols and -chloro sulphide carboxylates Michael Kennedy M. Anthony McKervey Anita R. Maguire and Sean Naughton pg 1041; DOI: 10.1039/P19900001041 |
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The intramolecular Buchner reaction of aryl diazoketones. Substituent effects and scope in synthesis Michael Kennedy M. Anthony McKervey Anita R. Maguire Sarbajna M. Tuladhar and M. Fiona Twohig pg 1047; DOI: 10.1039/P19900001047 |
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The intramolecular Buchner reaction of aryl diazoketones. Synthesis and X-ray crystal structures of some polyfunctional hydroazulene lactones Helmut Duddeck George Ferguson Branko Kaitner Michael Kennedy M. Anthony McKervey and Anita R. Maguire pg 1055; DOI: 10.1039/P19900001055 |
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Synthesis of uridine and 2-deoxyuridine mono- and tri-phosphates alkylated in position 5 by glycosides of -D-mannose and N-acetyl--D-glucosamine: DNA and RNA monomers with tethered lectin targets S. Robert Sarfati Sylvie Pochet Jean-Michel Neumann and Jean Igolen pg 1065; DOI: 10.1039/P19900001065 |
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An improved synthesis of substituted dibenzo[l,4]dioxines Ho H. Lee and William A. Denny pg 1071; DOI: 10.1039/P19900001071 |
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Coenzyme models. Part 52. Diastereo-differentiating hydrogen transfer in 5-deazaflavin oxidation of alcohols and amines Seiji Shinkai Akito Kawase and Osamu Manabe pg 1075; DOI: 10.1039/P19900001075 |
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Novel synthesis of aryl 2,3,4,6-tetra-O-acetyl-D-glucopyranosides Masahiko Yamaguchi Akira Horiguchi Akira Fukuda and Toru Minami pg 1079; DOI: 10.1039/P19900001079 |
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Synthesis and reactions of 2,3,5,6-tetrahydro-2,5-ethano-3-benzazocin-4(1H)-one and a thieno-extended analogue: X-ray structure of 3-methyl-2,3,5,6-tetrahydro-2,5-ethano[1]benzothieno[3,2-d]azocin-4(1H)-one Brian Iddon Alan D. Redhouse and Patrick N. Yat pg 1083; DOI: 10.1039/P19900001083 |
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Acetamides of 1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocine (benzomorphan), 5,6.7,8,9,10-hexahydro-6,9-methanobenzocyclo-octene, and 6,7,8,9,10,11-hexahydro-7,10-methanocyclo-octa[b][1]benzothiophene as potential selective opioid analgesics Brian Iddon and Patrick N. Yat pg 1091; DOI: 10.1039/P19900001091 |
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Photochemical reactions of 6-isobutyrylbenzocycloalken-5-ones with oxygen. Photochemistry of enolic 1,3-diketones Michikazu Yoshioka Hironobu Sawada Masahiro Saitoh and Tadashi Hasegawa pg 1097; DOI: 10.1039/P19900001097 |
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(Z)-stereoselective Wittig olefination of 2-oxygenated indol-3(2H)-ones Tomomi Kawasaki Yoshinori Nonaka Hiroaki Ohtsuka Hiroshi Sato and Masanori Sakamoto pg 1101; DOI: 10.1039/P19900001101 |
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1,4-Dioxene(2,3-dihydro-1,4-dioxine) in organic synthesis. Part 9. Preparation of biologically active side-chains from 17-oxosteroids Marcel Fétizon Pierre Goulaouic and Issam Hanna pg 1107; DOI: 10.1039/P19900001107 |
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Chemistry of fruit flies: composition of the male rectal gland secretions of some species of South-East Asian Dacinae. Re-examination of Dacus cucurbitae(melon fly) Michael V. Perkins William Kitching Richard A. I. Drew Christopher J. Moore and Wilfried A. König pg 1111; DOI: 10.1039/P19900001111 |
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The reactions of N-vinyliminophosphoranes. Part 14. A short new synthesis of [n](2,4)pyridinophane ring system (n= 9–6): static and dynamic structural studies of [7]- and [6](2,4)pyridinophanes Nobuhiro Kanomata and Makoto Nitta pg 1119; DOI: 10.1039/P19900001119 |
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Influence of substrate structure on copper(I)-assisted cyanide substitution in aryl halides Joseph A. Connor Stephen W. Leeming and Raymond Price pg 1127; DOI: 10.1039/P19900001127 |
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Regioselective nucleophilic additions to tricarbonyl(6-arene)chromium(0) complexes: electronic versus chelation control Julian Blagg Stephen G. Davies Craig L. Goodfellow and Kevin H. Sutton pg 1133; DOI: 10.1039/P19900001133 |
The synthesis of two rigid bichromophoric systems in which the chromophores are separated by relays of nine and thirteen  -bonds: two useful models for further exploring the distance dependence of long-range intramolecular electron transferAnna M. Oliver and Michael N. Paddon-Row pg 1145; DOI: 10.1039/P19900001145 |
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Synthesis of heteroaromatic thyrotropin-releasing hormone analogues Christine M. Bladon pg 1151; DOI: 10.1039/P19900001151 |
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Pigments of fungi. Part 11. (+)-Austrocorticin, austrocorticinic acid, austrocorticone, and related pigments; the first naturally occurring anthraquinones derived from a propionate-triggered octaketide Melvyn Gill and Alberto Giménez pg 1159; DOI: 10.1039/P19900001159 |
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Synthesis and characterisation of some 1,4,8,11,15,18,22,25-octa-alkyl- and 1,4,8,11,15,18-hexa-alkyl-22,25-bis(carboxypropyl)phthalocyanines Neil B. McKeown Isabelle Chambrier and Michael J. Cook pg 1169; DOI: 10.1039/P19900001169 |
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A novel probe for free radicals featuring epoxide cleavage Julia M. Dickinson John A. Murphy Christopher W. Patterson and Nicholas F. Wooster pg 1179; DOI: 10.1039/P19900001179 |
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Regioselective and stereospecific palladium(0)-catalyzed reactions of 4-chloroacetoxyalk-2-enoic esters with carbon and nitrogen nucleophiles Rikuhei Tanikaga Tuo Xiao Jun and Aritsune Kaji pg 1185; DOI: 10.1039/P19900001185 |
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Synthetic studies on O-heterocycles via cycloadditions. Part 3. Regiochemical and mechanistic questions in reactions of polarised diaryl carbonyl ylides Paul Clawson and Donald A. Whiting pg 1193; DOI: 10.1039/P19900001193 |
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Phytotoxic compounds produced by Fusarium equiseti. Part 10. The preparation and rearrangement of diacetylneosolaniol 9,10-epoxide John Frederick Grove pg 1199; DOI: 10.1039/P19900001199 |
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The synthesis of nitrogen heterocycles via the intramolecular Khand reaction: formation of tetra- and hexa-hydrocyclopenta[c]pyrrol-5(1H)-ones and hexahydro-6H-2-pyrindin-6-ones Scott W. Brown and Peter L. Pauson pg 1205; DOI: 10.1039/P19900001205 |
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Perkin communications. Radical cyclization in stereospecific introduction of chirality at off template site of 1,2-O-isopropylidene--D-xylo-hexofuranose A. V. Rama Rao J. S. Yadav C. Srinivas Rao and S. Chandrasekhar pg 1211; DOI: 10.1039/P19900001211 |
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Diastereoselective reduction of acyclic N-aryl--amino ketones R. A. Pilli D. Russowsky and L. C. Dias pg 1213; DOI: 10.1039/P19900001213 |
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New preparative and optical resolution method for -lactams Fumio Toda Koichi Tanaka Minoru Yagi Zafra Stein and Israel Goldberg pg 1215; DOI: 10.1039/P19900001215 |
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Zeolites in organic syntheses: a novel route to functionalised ketene S,N-acetals Abdul Rakeeb A. S. Deshmukh T. Indrasena Reddy Baburao M. Bhawal Vasudeo P. Shiralkar and Srinivasachari Rajappa pg 1217; DOI: 10.1039/P19900001217 |
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Novel preparation of 1,3,5-thiadiazine derivatives by cyclocondensation of carbon disulphide with dialkylcyanamides under high pressure Tohru Tsuchiya Masahiko Yasumoto Isao Shibuya and Midori Goto pg 1218; DOI: 10.1039/P19900001218 |
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Reaction of ozone with steroidal allylic alcohols: evidence for intramolecular interception of the Criegee carbonyl/carbonyl oxide intermediate Zdzis aw Paryzek Jacek Martynow and Witold Swoboda pg 1220; DOI: 10.1039/P19900001220 |
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The reaction of cholesterol with ozone and alcohols: a revised mechanism and structure of the principal product Zdzis aw Paryzek Jacek Martynow and Witold Swoboda pg 1222; DOI: 10.1039/P19900001222 |
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The first 15,35,55-triphosphabenzene derivative Ekkehard Fluck Gernot Heckmann Winfried Plass Manfred Spahn and Horst Borrmann pg 1223; DOI: 10.1039/P19900001223 |
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Free radical carboxymethylation of uracils with benzoyl peroxide in acetic acid Toshio Itahara and Naoko Ide pg 1225; DOI: 10.1039/P19900001225 |
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Lewis acid-induced regio- and stereo-selective cyclisation of epoxy-allylic stannanes Makoto Yoshitake Makoto Yamamoto Shigeo Kohmoto and Kazutoshi Yamada pg 1226; DOI: 10.1039/P19900001226 |
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Synthesis of (–)-probetaenone I: structural confirmation of biosynthetic precursor of betaenone B Shokyo Miki Yoshihiro Sato Hiroyasu Tabuchi Hideaki Oikawa Akitami Ichihara and Sadao Sakamura pg 1228; DOI: 10.1039/P19900001228 |
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X-Ray structure of the -cyclodextrin–ferrocene (2 : 1) inclusion compound Yoshihiko Odagaki Ken Hirotsu Taiichi Higuchi Akira Harada and Shigetoshi Takahashi pg 1230; DOI: 10.1039/P19900001230 |
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Synthesis of substituted diphenyl ethers using the Diels–Alder reaction Stephen D. Carter Dean Thetford Martyn Voyle and Peter G. Sammes pg 1231; DOI: 10.1039/P19900001231 |
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An enantiodivergent synthesis of fused bicyclo[2.2.1]heptane lactones via an asymmetric Diels–Alder reaction Yoshitsugu Arai Makoto Matsui and Toru Koizumi pg 1233; DOI: 10.1039/P19900001233 |
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Novel azacrown ethers incorporating sugars: synthesis and complex formation Péter Bakó László Fenichel László T  ke and Bruce E. Davison pg 1235; DOI: 10.1039/P19900001235 |
Issue 5
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Front cover pg X017; DOI: 10.1039/P199000FX017 |
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Back cover pg X019; DOI: 10.1039/P199000BX019 |
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Contents pages pg P023; DOI: 10.1039/P199000FP023 |
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Photoinduced molecular transformations. Part 106. The formation of cyclic anhydrides via regioselective -scission of alkoxyl radicals generated from 5-and 6-membered -hydroxy cyclic ketones Hiroshi Suginome Gen Satoh Jian Bo Wang Shinji Yamada and Kazuhiro Kobayashi pg 1239; DOI: 10.1039/P19900001239 |
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Photoinduced molecular transformations. Part 109. Conformational dependence of the stereochemistry of photochemical 1,3-acyl shifts of ,-unsaturated cyclic ketones: conformation-specific photorearrangements of steroidal ,-unsaturated cyclic ketones, 7a-homocholest-5-en-7a-one and 4a-homo-5-cholest-1-en-4-one Hiroshi Suginome Toshiharu Ohtsuka Yoshimasa Yamamoto Kazuhiko Orito Carlos Jaime and Eiji  sawa pg 1247; DOI: 10.1039/P19900001247 |
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Melanin biosynthesis: a study of polyphenol deoxygenation Fabrice Viviani Michel Gaudry and Andrée Marquet pg 1255; DOI: 10.1039/P19900001255 |
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Biotransformation of ent-13-epi- and ent-manoyl oxides by Rhizopus nigricans cultures Andrés García-Granados Antonio Martínez Juan P. Martínez M. Esther Onorato and J. M. Arias pg 1261; DOI: 10.1039/P19900001261 |
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Unexpected products of the reaction of cycloalkylidene(cyano)thioacetamides with arylmethylenemalononitriles: a different novel synthetic route to condensed pyridine-2(1H)-thiones and condensed carbocyclic nitriles Galal Eldin Hamza Elgemeie Hassan Abdla Regaila and Nadia Shehata pg 1267; DOI: 10.1039/P19900001267 |
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Photocyclisation of enamides. Part 29. A general strategy for the synthesis of ipecac and heteroyohimbine alkaloids Takeaki Naito Noriko Kojima Okiko Miyata Ichiya Ninomiya Masatoshi Inoue and Mitsunobu Doi pg 1271; DOI: 10.1039/P19900001271 |
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Stereospecific synthesis of racemic cis- and trans-6-trifluoromethylshikimic acids Jacques Leroy Nathalie Fischer and Claude Wakselman pg 1281; DOI: 10.1039/P19900001281 |
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The off-template problem: towards a general solution Abdul Rashid G. Mark Taylor William W. Wood and David Alker pg 1289; DOI: 10.1039/P19900001289 |
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Studies on aloe. Part 6. Conformation and absolute configuration of aloins A and B and related 10-C-glucosyl-9-anthrones Paolo Manitto Diego Monti and Giovanna Speranza pg 1297; DOI: 10.1039/P19900001297 |
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Design and synthesis of new 1,4-diaminocyclitol aminoglycosides: use of maltose as the key starting material Nobuo Sakairi Mitsuo Hayashida Akihiro Amano and Hiroyoshi Kuzuhara pg 1301; DOI: 10.1039/P19900001301 |
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Oxygen-bridged tetrahydropyridines, hexahydropyridines, and dihydropyridones via a Hantzsch-like synthesis with 4-(2-hydroxyphenyl)but-3-en-2-one Jan Sv  tlík Igor Goljer and Franti ek Ture ek pg 1315; DOI: 10.1039/P19900001315 |
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Synthetic studies of indoles and related compounds. Part 22. The Vilsmeier–Haack reaction of N-benzyl-1,2,3,4-tetrahydrocarbazoles and its synthetic application to olivacine and ellipticine Yuusaku Yokoyama Naomi Okuyama Shinji Iwadate Tokuko Momoi and Yasuoki Murakami pg 1319; DOI: 10.1039/P19900001319 |
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New formal synthesis of ()-estrone Nurani M. Sunder Prakash A. Patil and Nurani S. Narasimhan pg 1331; DOI: 10.1039/P19900001331 |
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Photoinduced substitution of 1,3,5-tricyanobenzene by toluene Mamoru Ohashi Nobuyuki Aoyagi and Shuzo Yamada pg 1335; DOI: 10.1039/P19900001335 |
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Asymmetric Diels–Alder reactions. Part 4. Influence of anomeric configuration and 2- and 6-O-benzyl substitution on the diastereofacial reactivity of (E)-3-(t-butyldimethylsiloxy)-1-(2,3,4,6-tetra-O-acetyl--D-glucopyranosyloxy)-buta-1,3-diene David S. Larsen and Richard J. Stoodley pg 1339; DOI: 10.1039/P19900001339 |
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Preparation and some reactions of tricyclo[3.3.0.0]octan-2-ones and tricyclo[3.2.0.0]heptan-2-ones Ian C. Cotterill Harry Finch Rona M. Highcock Robert A. Holt Mary F. Mahon Kieran C. Molloy J. Gareth Morris Stanley M. Roberts Kevin M. Short and Vladimir Sik pg 1353; DOI: 10.1039/P19900001353 |
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Absolute configuration of the product of the acetolactate synthase reaction by a novel method of analysis using acetolactate decarboxylase David H. G. Crout Edward R. Lee and Daniel L. Rathbone pg 1367; DOI: 10.1039/P19900001367 |
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The synthesis of pacharin: a dibenzoxepine from the heartwood of Bauhinia racemosa Lamk. Mark F. Comber and Melvyn V. Sargent pg 1371; DOI: 10.1039/P19900001371 |
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Isomer selectivity in stereocontrolled Payne rearrangement–epoxide cleavage of 2,3-epoxy alcohols in aprotic solvents: application to an enantioselective total synthesis of (+)-exo-brevicomin Philip C. Bulman Page Christopher M. Rayner and Ian O. Sutherland pg 1375; DOI: 10.1039/P19900001375 |
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Synthesis, NMR and conformational studies of some 1,4- linked disaccharides Irene Backman Per-Erik Jansson and Lennart Kenne pg 1383; DOI: 10.1039/P19900001383 |
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Synthesis of 4,4-disubstituted cyclohexenones. Part 2. Cycloaddition of 2-chloroacrylonitrile to 5-substituted 1,3-dimethoxycyclohexa-1,4-dienes Richard S. J. Clark Andrew B. Holmes and Victor G. Matassa pg 1389; DOI: 10.1039/P19900001389 |
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Synthesis of 4,4-disubstituted cyclohexenones. Part 3. The reaction of 1,3-bis(trimethylsilyloxy)cyclohexa-1,3-dienes with dienophiles. An unexpected rearrangement of the adducts from the reaction with 2-chloroacrylonitrile Richard S. J. Clark Andrew B. Holmes and Victor G. Matassa pg 1401; DOI: 10.1039/P19900001401 |
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The chemistry of erythromycin. Reactions of erythromycin A imine and its 6-methyl ether with aldehydes and hydrazines J. Sydney Davies Eric Hunt and Iskander I. Zomaya pg 1409; DOI: 10.1039/P19900001409 |
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Synthesis of talaromycins A, B, C, and E Raymond Baker Alastair L. Boyes and Christopher J. Swain pg 1415; DOI: 10.1039/P19900001415 |
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Strategies of synthesis based on cyclohexadienes: part 3. A novel route to macrolide aromatic polyketides Arthur J. Birch Neelakandha S. Mani and G. S. R. Subba Rao pg 1423; DOI: 10.1039/P19900001423 |
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The synthesis of the first natural host germination stimulant for Striga asiatica(witchweed) Melvyn V. Sargent and Sirichai Wangchareontrakul pg 1429; DOI: 10.1039/P19900001429 |
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Stereochemisty of oxygenation of organic sulphides with pig liver microsomal FAD-containing mono-oxygenase: comparison with cytochrome P-450PB oxidations Ken Fujimori Takaharu Matsuura Akihiro Mikami Yoshihito Watanabe Shigeru Oae and Takashi Iyanagi pg 1435; DOI: 10.1039/P19900001435 |
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Asymmetric synthesis of (R)- and (S)-4-(substituted benzyl)dihydrofuran-2(3H)-ones: an application of the ruthenium-binap complex-catalysed asymmetric hydrogenation of alkylidenesuccinic acids Liming Shao Shiro Miyata Hitoshi Muramatsu Hiroyuki Kawano Youichi Ishii Masahiko Saburi and Yasuzo Uchida pg 1441; DOI: 10.1039/P19900001441 |
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Migration of a benzyl group in the Lossen-like rearrangement of an N-phosphinoyl-O-sulphonylhydoxylamine Martin J. P. Harger and Adrian Smith pg 1447; DOI: 10.1039/P19900001447 |
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Synthetic studies towards complex diterpenoids. Part 18. Total synthesis of ()-isopisiferin and the related compounds Soumitra Deb Gopa Bhattacharjee and Usha Ranjan Ghatak pg 1453; DOI: 10.1039/P19900001453 |
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Syntheses of 3-methylpyrrole via methyl 4-methylpyrrole-2-carboxylate. A thermal oxazolone–pyrone rearrangement Sir John Cornforth and Du Ming-Hui pg 1459; DOI: 10.1039/P19900001459 |
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Pyrrolo[1,2-b]isoquinoline-5,10-diones and indolizine-5,8-diones Sir John Cornforth and Du Ming-hui pg 1463; DOI: 10.1039/P19900001463 |
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Asymmetric total synthesis of(–)-protoemetinol,(–)-protoemetine,(–)-emetine, and (–)-tubulosine by highly stereocontrolled radical cyclisations Masataka Ihara Ken Yasui Nobuaki Taniguchi and Keiichiro Fukumoto pg 1469; DOI: 10.1039/P19900001469 |
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Synthetic investigation on isothiazolo-[5,4-b]- and -[4,5-c]-pyridines Stefano Chimichi Rodolfo Nesi Fabio Ponticelli and Piero Tedeschi pg 1477; DOI: 10.1039/P19900001477 |
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Perkin communications. Iodonium-induced cyclisations of 5-silylalk-4-enols Ernst Schaumann and Andreas Kirschning pg 1481; DOI: 10.1039/P19900001481 |
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One-pot construction of the oxapropellane skeleton Chenglin Fang Kyoko Suganuma Hiroshi Suemune and Kiyoshi Sakai pg 1483; DOI: 10.1039/P19900001483 |
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Multiple reductive cleavage of calixarene diethyl phosphate esters: a route to [1n]metacyclophanes Zafrir Goren and Silvio E. Biali pg 1484; DOI: 10.1039/P19900001484 |
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Functionalisation of unsaturated amides: synthesis of chiral - or -hydroxy acids Giuliana Cardillo Md. Abul Hashem and Claudia Tomasini pg 1487; DOI: 10.1039/P19900001487 |
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Novel products in the reaction of 6-cyanotricyclo[5.5.0.0]dodeca-3,6,9,12-tetraene with 2,3-dichloro-5,6-dicyano-1,4-benzoquinone Shigeharu Wakabayashi Yoshikazu Sugihara Yoshihiro Hayakawa and Ichiro Murata pg 1489; DOI: 10.1039/P19900001489 |
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Stereoselective reaction of methyl - and -D-glycopyranosides with acetic anhydride in the presence of trimethylsilyl trifluoromethanesulphonate Pierre Angibeaud and Jean-Pierre Utille pg 1490; DOI: 10.1039/P19900001490 |
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Replacement of aryl by alkyl in 1-substituted 1H-1,2,3-triazole-4-carbaldehydes Gerrit L'abbé and Maria Bruynseels pg 1492; DOI: 10.1039/P19900001492 |
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Some reactions of 2-azabicycio[2.2.1]hept-5-enes with diphenylketene: preparation of polysubstituted piperidin-2-ones Stanley M. Roberts Colin Smith and Russell J. Thomas pg 1493; DOI: 10.1039/P19900001493 |
Issue 6
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Front cover pg X021; DOI: 10.1039/P199000FX021 |
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Back cover pg X023; DOI: 10.1039/P199000BX023 |
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Contents pages pg P027; DOI: 10.1039/P199000FP027 |
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Competitive [4 + 2] and [3 + 2] cycloadditions of nitrosoalkenes to the imino bond of bicyclic 1,2-oxazines Ellen C. K. Lai Donald Mackay Nicholas J. Taylor and Kenneth N. Watson pg 1497; DOI: 10.1039/P19900001497 |
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Reactivity and reactions of aromatic acetylenic acids and ketones Siegfried E. Drewes Deborah Douglass Dean G. S. Malissar Gregory H. P. Roos and Perry T. Kaye pg 1507; DOI: 10.1039/P19900001507 |
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Studies on the biosynthesis of clavulanic acid. Part 4. Synthetic routes to the monocyclic -lactam precursor, proclavaminic acid Keith H. Baggaley Stephen W. Elson Neville H. Nicholson and John T. Sime pg 1513; DOI: 10.1039/P19900001513 |
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Studies on the biosynthesis of clavulanic acid. Part 5. Absolute stereochemistry of proclavaminic acid, the monocyclic biosynthetic precursor of clavulanic acid Keith H. Baggaley Stephen W. Elson Neville H. Nicholson and John T. Sime pg 1521; DOI: 10.1039/P19900001521 |
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Partial syntheses of some isomers of gibberellin A1 and gibberellin A3 methyl ester Braulio M. Fraga Clemente D. Gómez Melchor G. Hernández Emilio de Paz Fernando G. Tellado and Aurea A. Perales pg 1535; DOI: 10.1039/P19900001535 |
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Olivanic acid analogues. Part 5. Synthesis of 3-alkylthio and 3-alkylsulphinyl analogues via Michael addition of thiols to 3-unsubstituted 1-azabicyclo[3.2.0]hept-2-ene-2-carboxylates. X-Ray molecular structure of (2RS,3RS,5SR)-benzyl 3-ethylthio-7-oxo-1-azabicyclo[3.2.0]heptane-2-carboxylate and (2RS,3SR,5SR,6RS,1RS)- and (2RS,3SR,5RS,6SR,1SR)-benzyl 3-chloro-6-(1-hydroxyethyl)-7-oxo-3-[(SR)-phenylsulphinyl]-1-azabicyclo[3.2.0]heptane-2-carboxylate John H. Bateson Patricia M. Roberts Terence C. Smale and Robert Southgate pg 1541; DOI: 10.1039/P19900001541 |
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Antifertility agents: synthesis of yuehchukene analogues: 6-(indol-3-yl)-9,12-dimethyl-6,7,10,11-tetrahydro-7,11-methano-5H-[b]indole and 6-(indol-3-yl)-9,12-dimethyl-6,7,8,11-tetrahydro-7,11-methano-5H-cyclo-oct[b]indole Kin-Fai Cheng Tin-Yau Chan Tze-Tat Wong and Ting-Fong Lai pg 1555; DOI: 10.1039/P19900001555 |
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Synthesis, antinociceptive activity, and opioid receptor profiles of 10-substituted-6-oxamorphinans Andrew B. McElroy David E. Bays David I. C. Scopes Ann G. Hayes and Michael J. Sheehan pg 1563; DOI: 10.1039/P19900001563 |
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Convenient synthesis of mono and cyclic sulphates of carbohydrates via triflate displacement Farzana Latif Mohammed Saleh Shekhani and Wolfgang Voelter pg 1573; DOI: 10.1039/P19900001573 |
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2-Alkyl-5,5-dimethyl-1,3,2-dioxaphosphorinan-2-ones -lithiated carbanions. Synthesis, stability, and conformation Carl Patois Louis Ricard and Philippe Savignac pg 1577; DOI: 10.1039/P19900001577 |
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Pigments of fungi. Part 12. Structure and absolute stereochemistry of antibiotic tetrahydroanthraquinones from the fungus Dermocybe splendida Horak. X-Ray structure determination of austrocortirubin phenylboronate and austrocortilutein acetonide Melvyn Gill Albin F. Smrdel Richard J. Strauch and Michael J. Begley pg 1583; DOI: 10.1039/P19900001583 |
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Spectrometric elucidation of acrimarines, the first naturally occurring acridone–coumarin dimers Hiroshi Furukawa Chihiro Ito Toyoko Mizuno Motoharu Ju-ichi Mami Inoue Ichiro Kajiura and Mitsuo Omura pg 1593; DOI: 10.1039/P19900001593 |
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A total synthesis of the guaiane furanosesquiterpene ()-gnididione, a metabolite of Gnidia latifolia Cheryl D. Buttery Andrew G. Cameron Colin P. Dell and David W. Knight pg 1601; DOI: 10.1039/P19900001601 |
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Sulphur-based directed benzylic metallations: lithiations of alkylarenesulphonates Babajide I. Alo Oluwole B. Familoni Francis Marsais and Guy Queguiner pg 1611; DOI: 10.1039/P19900001611 |
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An enantioselective synthesis of R-(+)--lipoic acid Philip C. Bulman Page Christopher M. Rayner and Ian O. Sutherland pg 1615; DOI: 10.1039/P19900001615 |
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The formation of unsaturated diterpenoid alcohols from 1,4-glycols with N,N-dimethylformamide dimethyl acetal Carole A. Davis Ricardo Guillermo-Alvarez James R. Hanson and Peter B. Hitchcock pg 1619; DOI: 10.1039/P19900001619 |
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Periselectivity between the [1,4] and [3,3] thermal sigmatropic rearrangements of 2-allyloxypyridine N-oxides David Alker W. David Ollis and Hooshang Shahriari-Zavareh pg 1623; DOI: 10.1039/P19900001623 |
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Regiospecific thermal rearrangements of 2-allyloxypyridine N-oxides David Alker Sivapathasuntharam Mageswaran W. David Ollis and Hooshang Shahriari-Zavareh pg 1631; DOI: 10.1039/P19900001631 |
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[1,4] and [5,5] thermal sigmatropic rearrangements of 2-pentadienyloxypyridine N-oxides David Alker W. David Ollis and Hooshang Shahriari-Zavareh pg 1637; DOI: 10.1039/P19900001637 |
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2-Protecting groups for 5-lithiation in the syntheses of imidazoles Raphael I. Ngochindo pg 1645; DOI: 10.1039/P19900001645 |
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Lithium complexation of configurational isomers of tetra-aza macrocycle containing 2,2-bipyridine. X-Ray molecular structure of the trans-isomer of a dibutyl dicyano macrocycle Shojiro Ogawa Tokiko Uchida Tomoaki Uchiya Teruyoshi Hirano Masahiko Saburi and Yasuzo Uchidac pg 1649; DOI: 10.1039/P19900001649 |
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Novel bioactive styryl-lactones: goniofufurone, goniopypyrone, and 8-acetylgoniotriol from Goniothalamus giganteus(annonaceae). X-Ray molecular structure of goniofufurone and of goniopypyrone Xin-ping Fang Jon E. Anderson Ching-jer Chang Phillip E. Fanwick and Jerry L. McLaughlin pg 1655; DOI: 10.1039/P19900001655 |
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Highly enantioselective elimination of meso-compounds Hiroshi Kashihara Hiroshi Suemune Tetsuya Kawahara and Kiyoshi Sakai pg 1663; DOI: 10.1039/P19900001663 |
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Conjugated azoalkenes. Part 8. Reaction of some conjugated azoalkenes with activated nitriles. Synthesis of new pyrrolo[2,3-b]pyrroles and 1,2-diaminopyrroles. X-Ray molecular structure of diethyl 6-amino-1,6-bis-(t-butoxycarbonylamino)-3a-cyano-2,5-dimethyl-1,3a,6,6a-tetrahydropyrrolo-[2,3-b]pyrrole-3,4-dicarboxylate Orazio A. Attanasi Stefania Santeusanio Franco Serra-Zanetti Elisabetta Foresti and Alexander McKillop pg 1669; DOI: 10.1039/P19900001669 |
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1,6-Anhydro--D-glucopyranose derivatives as glycosyl donors for thioglycosidation reactions Lai-Xi Wang Nobuo Sakairi and Hiroyoshi Kuzuhara pg 1677; DOI: 10.1039/P19900001677 |
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Diethylaminosulphur trifluoride (DAST) as an effective reagent for preparation of methyl 2-arylpropanoates from 1-aryl-1,1-dimethoxypropan-2-ols Takayoshi Yamauchi Kaneaki Hattori Shun-ichi Ikeda and Kentaro Tamaki pg 1683; DOI: 10.1039/P19900001683 |
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A convenient preparation of [1,2,4]triazolo[1,5-a]pyridines from acetohydrazide derivatives. Synthetic and mechanistic aspects Maria J. Callejo Pilar Lafuente Nazario Martín-León Margarita Quinteiro Carlos Seoane and José L. Soto pg 1687; DOI: 10.1039/P19900001687 |
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Boron trifluoride-promoted reaction of 4-nitrobenzenesulphenanilide with alkynes. Formal addition of benzenesulphenyl fluoride to carbon–carbon triple bonds Luisa Benati P. Carlo Montevecchi and Piero Spagnolo pg 1691; DOI: 10.1039/P19900001691 |
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A new route to epoxides and ketones by m-chloroperbenzoic acid oxidation of -hydroxyalkyl phenyl selenides and tellurides Sakae Uemura Kouichi Ohe and Nobuyuki Sugita pg 1697; DOI: 10.1039/P19900001697 |
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Synthesis of 5-amino-4-(cyanoformimidoyl)-1H-imidazole: a reactive intermediate for the synthesis of 6-carbamoyl-1,2-dihydropurines and 6-carbamoylpurines M. José Alves Brian L Booth and M. Fernanda J. R. P. Proenç pg 1705; DOI: 10.1039/P19900001705 |
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A synthesis of micandrol-C a novel methylthiophenanthrenediol isolated from the trunkwood of Micandropsis scleroxylon Melvyn V. Sargent and Anna B. Zwicky pg 1713; DOI: 10.1039/P19900001713 |
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Addition of benzotriazole to vinyl ethers. Chemistry of the adducts Alan R. Katritzky Stanislaw Rachwal and Bogumila Rachwal pg 1717; DOI: 10.1039/P19900001717 |
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Preparation and thermal ring-closure of -aryl vinyl carbodi-imides: synthesis of isoquinoline derivatives Pedro Molina Alberto Tárraga and M.a José Lidón pg 1727; DOI: 10.1039/P19900001727 |
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Enantioselective syntheses of (+)-acetylphomalactone and (6R)-(+)-goniothalamin from 2-furylmethanols Toshio Honda the late Tetsuji Kametani Kazuo Kanai Yoko Tatsuzaki and Masayoshi Tsubuki pg 1733; DOI: 10.1039/P19900001733 |
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Use of dimethylformamide–sulphur trioxide complex as a sulphating agent of tyrosine Shiroh Futaki Takashi Taike Takeshi Yagami Toyoko Ogawa Tadashi Akita and Kouki Kitagawa pg 1739; DOI: 10.1039/P19900001739 |
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Synthetic studies on terpenoid compounds. Part 27. Total synthesis of calodendrolide Taskashi Tokoroyama Yasuhito Kotsuji Haruhiko Matsuyama Takashi Shimura Kenji Yokotani and Yoshiyasu Fukuyama pg 1745; DOI: 10.1039/P19900001745 |
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Selective protection of cysteine with ferrocene derivatives. Part 2. Synthesis of glutathione Andrew S. J. Stewart and Charles N. C. Drey pg 1753; DOI: 10.1039/P19900001753 |
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Regioselective formation of hydroxy lactams from pyridine-2,3-dicarboximides and their cyclodehydration to pyrido[2,3:3,4]pyrrolo-fused heterocyclic systems Gregory J. Hitchings and John M. Vernon pg 1757; DOI: 10.1039/P19900001757 |
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Study on the syntheses of brassinolide and related compounds. Part 14. Highly stereoselective construction of the side-chain of brassinosteroids utilizing the -alkylative 1,3-carbonyl transposition of the steroidal 22-En-24-one Shen Zheng-Wu and Zhou Wei-Shan pg 1765; DOI: 10.1039/P19900001765 |
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X-Ray crystallographic and NOE studies on the conformation of periplanones and their analogues Masataka Mori Kentaro Okada Kazuko Shimazaki Tatsuji Chuman Shigefumi Kuwahara Takeshi Kitahara and Kenji Mori pg 1769; DOI: 10.1039/P19900001769 |
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Cycloadditions in syntheses. Part 47. 2-Monosubstituted 1,3-dioxin-4-ones: diastereofacial selectivity in pericyclic reactions and its explanation Masayuki Sato Yoshito Abe and Chikara Kaneko pg 1779; DOI: 10.1039/P19900001779 |
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Oligosaccharides corresponding to the antigenic determinants of the -haemolytic Streptococci Group A. Part 2. Synthesis and 2D nuclear magnetic resonance analysis of a branched tetrasaccharide hapten John S. Andrews and B. Mario Pinto pg 1785; DOI: 10.1039/P19900001785 |
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Olivanic acid analogues. Part 6. Biomimetic synthesis of ()-PS-5, ()-6-Epi-PS-5, and ()-benzyl MM22381 John H. Bateson Roger I. Hickling Terence C. Smale and Robert Southgate pg 1793; DOI: 10.1039/P19900001793 |
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A general synthesis of very high specific activity tritiomethyl iodide Manouchehr Saljoughian Hiromi Morimoto and Philip G. Williams pg 1803; DOI: 10.1039/P19900001803 |
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Synthetic study on 1,3-polyols. An efficient enantioselective synthesis of tarchonanthuslactone Yuji Mori and Makoto Suzuki pg 1809; DOI: 10.1039/P19900001809 |
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Synthesis of some semi-synthetic nemadectins Charles E. Mowbray Michael V. J. Ramsay and Stanley M. Roberts pg 1813; DOI: 10.1039/P19900001813 |
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Perkin communications. Imidazole derivatives. Part 4. A novel and direct synthesis of 7H-pyrrolo-[1,2-a]imidazoles Hans-Joachim Knölker and Roland Boese pg 1821; DOI: 10.1039/P19900001821 |
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A highly convenient procedure for the synthesis of 5-(2-acylvinyl)uracils, a group of novel 5-substituted uracils Nitya G. Kundu Lakshmi N. Chaudhuri and Swapan K. Dasgupta pg 1822; DOI: 10.1039/P19900001822 |
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A new synthesis of (+)-didemnenones A and B Tsutomu Sugahara Tomoko Ohike Motohiro Soejima and Seiichi Takano pg 1824; DOI: 10.1039/P19900001824 |
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Asymmetric reduction of functionalized ketones with a sodium borohydride–(L)-tartaric acid system Masanobu Yotagai and Takashi Ohnuki pg 1826; DOI: 10.1039/P19900001826 |
Issue 7
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Front cover pg X025; DOI: 10.1039/P199000FX025 |
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Back cover pg X027; DOI: 10.1039/P199000BX027 |
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Contents pages pg P031; DOI: 10.1039/P199000FP031 |
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Pyrazole chemistry. Part 4. Directed lithiation of 4-bromo-1-phenyl-sulphonylpyrazole: a convenient approach to vicinally disubstituted pyrazoles Gottfried Heinisch Wolfgang Holzer and Sabine Pock pg 1829; DOI: 10.1039/P19900001829 |
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N-(arylsulphonyl)tetrahydropyridinium salts: intermediates for multi-ring heterocycles. Part 1. Synthesis of hexahydropyrido[1,2-b][1,2,4]benzothiadiazine dioxides Babajide I. Alo and Oluwole B. Familoni pg 1835; DOI: 10.1039/P19900001835 |
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The synthesis of novel prostaglandin analogues via cycloaddition reactions Eric W. Collington Harry Finch John G. Montana and Richard J. K. Taylor pg 1839; DOI: 10.1039/P19900001839 |
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Benzotriazol-1-ylalkyl isocyanides: versatile synthons for preparation of unsymmetrical formamidines Alan R. Katritzky Murugan Sutharchanadevi and Laszlo Urogdi pg 1847; DOI: 10.1039/P19900001847 |
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Benzotriazole-assisted synthesis of -acylaminonitriles and a conceptually novel method for peptide elongation Alan R. Katritzky and Laszlo Urogdi pg 1853; DOI: 10.1039/P19900001853 |
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Asymmetric reduction of ketoxime O-alkyl ethers with chirally modified NaBH4–ZrCl4 Shinichi Itsuno Yoshiki Sakurai Koji Shimizu and Koichi Ito pg 1859; DOI: 10.1039/P19900001859 |
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Enzymatic synthesis of glycosides using the -galactosidase of Escherichia coli: regio- and stereo-chemical studies David H. G. Crout David A. MacManus and Peter Critchley pg 1865; DOI: 10.1039/P19900001865 |
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Some reactions of enaminones with isothiocyanates John V. Greenhill Jalal Hanaee and Peter J. Steel pg 1869; DOI: 10.1039/P19900001869 |
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An efficient entry to highly functionalised C4 chiral synthons via Lewis acid-catalysed ene reaction of (1S)--pinene and -keto esters. Part 4. Giovanni Palmisano Ivana Dosi Diego Monti and Renato Pellegata pg 1875; DOI: 10.1039/P19900001875 |
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A regio- and stereo-selective route to 1,1,3- and 1,2,3-trihalogenobutadienes by dehydrohalogenation of alkyl-substituted 1,1,2,3-tetrahalogenocyclopropanes Mark S. Baird Balvinder S. Mahli and Lee Sheppard pg 1881; DOI: 10.1039/P19900001881 |
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Novel cage compounds from inter- and intra-molecular Diels–Alder reactions of heteroaromatic azadienes and methyl coumalate with cyclo-octa-1,5-diene Ivan Lantos Peter W. Sheldrake and Andrew S. Wells pg 1887; DOI: 10.1039/P19900001887 |
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The effect of metal chelate complexation on the reactivity and absorption spectra of 1,2-naphthoquinones: new types of near-infrared-absorbing metal complex dyes Katsuhira Yoshida Norio Oga Tetsunao Koujiri Miwa Ishiguro and Yuji Kubo pg 1891; DOI: 10.1039/P19900001891 |
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Bakers' yeast reduction of alkyl 6-chloro-3-oxohexanoates: synthesis of (R)-(+)--lipoic acid Aravamudan S. Gopalan and Hollie K. Jacobs pg 1897; DOI: 10.1039/P19900001897 |
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Total synthesis of (+)-perrottetianal A Hisahiro Hagiwara and Hisashi Uda pg 1901; DOI: 10.1039/P19900001901 |
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Biosynthesis of (R)-2-hydroxybut-3-enylglucosinolate (progoitrin) from [3,4-3H]but-3-enylglucosinolate in Brassica napus John T. Rossiter and David C. James pg 1909; DOI: 10.1039/P19900001909 |
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Synthesis of solvatochromic cyanine dyes having a benzo[a]quinolizinium ring Sadao Arai Kimihiko Nagakura Masanori Ishikawa and Mitsuhiko Hida pg 1915; DOI: 10.1039/P19900001915 |
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Partially fluorinated heterocyclic compounds. Part 27. The synthesis of 4,5,6,7-tetrafluorobenzo[c]thiophene and 4,5,6,7,8,9-hexafluoronaphtho-[1,2-c]thiophene; some chemistry and electrochemistry Gerald M. Brooke and Simon D. Mawson pg 1919; DOI: 10.1039/P19900001919 |
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Synthesis and characterisation of the C30-de-ethylaetioporphyrin present in petroleum Paul J. Clewlow and Anthony H. Jackson pg 1925; DOI: 10.1039/P19900001925 |
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The photo-oxidation of meso-tetraphenylporphyrins Jose A. S. Cavaleiro Maria G. P. S. Neves Michael J. E. Hewlins and Anthony H. Jackson pg 1937; DOI: 10.1039/P19900001937 |
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Synthesis and tautomerism of porphyrin -ketoesters Andrei N. Kozyrev Alexander N. Nizhnik and Andrei F. Mironov pg 1945; DOI: 10.1039/P19900001945 |
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Reactions of trifluoromethyl bromide and related halides: part 9. Comparison between additions to carbonyl compounds, enamines, and sulphur dioxide in the presence of zinc Marc Tordeux Catherine Francese and Claude Wakselman pg 1951; DOI: 10.1039/P19900001951 |
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Acylation of pyrrolidine-2,4-diones: a synthesis of 3-acyltetramic acids. X-Ray molecular structure of 3-[1-(difluoroboryloxy)ethylidene]-5-isopropyl-1-methyl-pyrrolidine-2,4-dione Raymond C. F. Jones Michael J. Begley Graeme E. Peterson and Suresh Sumaria pg 1959; DOI: 10.1039/P19900001959 |
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Synthesis of arene oxide and trans-dihydrodiol metabolites of quinoline Shiv K. Agarwal Derek R. Boyd R. Jeremy H. Davies Lynne Hamilton Donald M. Jerina John J. McCullough and H. Patricia Porter pg 1969; DOI: 10.1039/P19900001969 |
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Novel syntheses of near-infrared-absorbing di-iminonaphthalene dyes based on cyanoimino derivatives of indoaniline Yuji Kubo Minoru Kuwana Ken Okamoto and Katsuhira Yoshida pg 1975; DOI: 10.1039/P19900001975 |
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Biosynthesis of porphyrins and related macrocycles. Part 35. Discovery of a novel dipyrrolic cofactor essential for the catalytic action of hydroxymethylbilane synthase (porphobilinogen deaminase) Graham J. Hart Andrew D. Miller Uwe Beifuss Finian J. Leeper and Alan R. Battersby pg 1979; DOI: 10.1039/P19900001979 |
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C-Glycoside synthesis via glycal alkylation by olefinic derivatives Jean Herscovici Kipamga Muleka Lotfi Boumaîza and Kostas Antonakis pg 1995; DOI: 10.1039/P19900001995 |
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Synthesis of and nuclear magnetic resonance and conformational studies on some 1,2-linked disaccharide methyl glycosides containing D-mannose and L-rhamnose Per-Erik Jansson Lennart Kenne and Håkan Ottosson pg 2011; DOI: 10.1039/P19900002011 |
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Di-isophorone and related compounds. Part 26. Reactions of bicyclo[4.2.1]nonane-7-spiro-2-(tetrahydrofuran) derivatives Frederick Kurzer and Anthony A. Allen pg 2019; DOI: 10.1039/P19900002019 |
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Stereospecific removal of the pro-R hydrogen at C-8 of (9S)-hydroperoxyoctadecadienoic acid in the biosynthesis of colneleic acid Per Fahlstadius and Mats Hamberg pg 2027; DOI: 10.1039/P19900002027 |
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Samarium di-iodide initiated addition of polyhalogenomethanes to olefins Shengming Ma and Xiyan Lu pg 2031; DOI: 10.1039/P19900002031 |
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Heterocycles by cycloaddition. Part 9. Bridged heteroannulenes by cycloaddition–extrusion–ring-expansion reactions of mesoionic compounds with benzocyclopropene. A methanothiazonine, a methanothionine, and a methanothiecinone Hiroshi Kato Shigeo toda Yukihiko Arikawa Mayumi Masuzawa Masafumi Hashimoto Keiko Ikoma Shu-Zhong Wang and Akemi Miyasaka pg 2035; DOI: 10.1039/P19900002035 |
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C-25 prochirality in the fragmentation reaction catalysed by fucosterol epoxide lyase from the silkworm, Bombyx mori Yoshinori Fujimoto Yoji Ikuina Mitsuhiro Nagakari Katsumi Kakinuma and Nobuo Ikekawa pg 2041; DOI: 10.1039/P19900002041 |
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The chemical composition of Murraya paniculata. The structure of five new coumarins and one new alkaloid and the stereochemistry of murrangatin and related coumarins Chihiro Ito Hiroshi Furukawa Hisashi Ishii Tsutomu Ishikawa and Joju Haginiwa pg 2047; DOI: 10.1039/P19900002047 |
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The synthesis of a 1,2,3-triacetoxy limonoid Anne R. H. Kehrli David A. H. Taylor and Margaret Niven pg 2057; DOI: 10.1039/P19900002057 |
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A synthesis of methyl 2-acetoxy-3-deoxo-3-hydroxyangolensate Anne R. H. Kehrli and David A. H. Taylor pg 2067; DOI: 10.1039/P19900002067 |
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Synthesis of a naturally occurring dihydrohomopteridine insect metabolite, 6-acetyl-2-amino-7,8-dihydro-9H-pyrimido[4,5-b][1,4]diazepin-4(3H)-one Peter H. Boyle Enid M. Hughes Hassan A. Khattab and Ronan J. Lockhart pg 2071; DOI: 10.1039/P19900002071 |
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Synthesis of the mammalian metabolites of dibenz[a,j]anthracene: dibenz[a,j]anthracene 3,4-oxide and (–)-(3R,4R)-trans-3,4-dihydroxy-3,4-dihydrodibenz[a,j]anthracene Derek R. Boyd and Gerard A. O'Kane pg 2079; DOI: 10.1039/P19900002079 |
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Synthesis of [2,6-3H2-Tyr1]leucine-enkephalin Hiroshi Hasegawa Nobuyoshi Akagawa Yoshihiko Shinohara and Shigeo Baba pg 2085; DOI: 10.1039/P19900002085 |
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1,2-Thiazines and related heterocycles. Part 5. Characterisation of some (N-sulphinylamino)azines and their cycloadducts with 1,4-epoxy-1,4-dihydronaphthalenes and other dienophiles Peter Hanson and Stephen A. C. Wren pg 2089; DOI: 10.1039/P19900002089 |
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Chemical synthesis of 3-ethylcompactin, an inhibitor of 3-hydroxy-3-methylglutarylcoenzyme A reductase Derrick L. J. Clive K. S. Keshava Murthy Rajan George and Mark J. Poznansky pg 2099; DOI: 10.1039/P19900002099 |
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One-pot annulation to tricyclo[5.3.1.03,8]undecane-2,6-diones by sequential three-fold Michael reactions. A formal synthesis of ()-seychellene Hisahiro Hagiwara Akihiro Okano and Hisashi Uda pg 2109; DOI: 10.1039/P19900002109 |
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Esterification of isocyanide carboxylic acids and hydrolysis of their esters A. J. McAlees K. Schwartzentruber and A. Taylor pg 2115; DOI: 10.1039/P19900002115 |
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Synthesis of and reactivity studies with 19-peroxide-androstenedione derivatives: analogues of a proposed aromatase intermediate Philip A. Cole and Cecil H. Robinson pg 2119; DOI: 10.1039/P19900002119 |
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Reactions of ortho-quinones with ethoxycarbonylmethylene(triphenyl)-phosphorane. Trapping of the ortho-quinone methanide intermediates Demetrios N. Nicolaides Spyros G. Adamopoulos Demetrios A. Lefkaditis and Konstantinos E. Litinas pg 2127; DOI: 10.1039/P19900002127 |
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N-allylhydroxylamines from 1,2-addition of allyl Grignard reagents to nitro compounds: generality and drawbacks of the reaction Luciano Barboni Giuseppe Bartoli Enrico Marcantoni Marino Petrini and Renato Dalpozzo pg 2133; DOI: 10.1039/P19900002133 |
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Remarkable differences in the reactivity of echinadiol and shiromodiol, biologically active epimeric germacrane derivatives Giovanni Appendino Paola Tettamanzi and Pierluigi Gariboldi pg 2139; DOI: 10.1039/P19900002139 |
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The synthesis of novel benzomorphan analogues: a new intramolecular acid-catalysed aldol route to benzannelated bicyclo[3.3.1]nonane derivatives. X-Ray molecular structure of 8-hydroxy-1-methoxytricyclo[7.3.1.02,7]trideca-2,4,6-trien-10-one Richard J. K. Taylor Stephen M. Turner David C. Horwell Oliver W. Howarth Mary F. Mahon and Kieran C. Molloy pg 2145; DOI: 10.1039/P19900002145 |
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A convenient synthesis of N-(7-dimethylamino-4-methylcoumarin-3-yl)-maleimide incorporating a novel variant of the Pechmann reaction John E. T. Corrie pg 2151; DOI: 10.1039/P19900002151 |
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Perkin communications. A new synthetic route to ()-magydardienediol via a radical cyclisation-trapping reaction Hajime Nagano Yuko Seko and Kyoko Nakai pg 2153; DOI: 10.1039/P19900002153 |
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Intramolecular Diels–Alder reaction of a sulphonyl-activated 1,3,9-triene Andreas Weichert and H. Martin R. Hoffmann pg 2154; DOI: 10.1039/P19900002154 |
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Diels–Alder reactions of 2,3-dimethylenepyrrole analogues; a new synthesis of indoles P. Mark Jackson and Christopher J. Moody pg 2156; DOI: 10.1039/P19900002156 |
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X-Ray crystal structure of a ligand at the thromboxane A2/prostaglandin H2 receptor site: (4Z)-6-[(2RS,4RS,5SR)-2-(2-chlorophenyl)-4-(2-hydroxyphenyl)-1,3-dioxan-5-yl]hex-4-enoic acid George R. Brown Alan J. Foubister and Mary McPartlin pg 2158; DOI: 10.1039/P19900002158 |
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The 2 : 2 adducts from glutaraldehyde and 1-substituted ethylenediamines Tadashi Okawara Shuji Ehara Shigenori Matsumoto Yoshinari Okamoto and Mitsuru Furukawa pg 2160; DOI: 10.1039/P19900002160 |
Issue 8
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Front cover pg X029; DOI: 10.1039/P199000FX029 |
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Back cover pg X031; DOI: 10.1039/P199000BX031 |
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Contents pages pg P037; DOI: 10.1039/P199000FP037 |
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Back matter pg P041; DOI: 10.1039/P199000BP041 |
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Pyridinium ylides in syntheses of naphthopyrandiones and in regioselective syntheses of acylated anthraquinones related to fungal and bacterial metabolites Michael F. Aldersley Shuhid H. Chishti Francis M. Dean Mark E. Douglas and David S. Ennis pg 2163; DOI: 10.1039/P19900002163 |
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Synthesis of 1-(hydroxyalkoxy)pyrimidines, a novel series of acyclic nucleoside analogues Michael R. Harnden L. John Jennings and Ann Parkin pg 2175; DOI: 10.1039/P19900002175 |
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Regio- and stereo-selectivity in uncatalysed and catalysed Diels–Alder reactions of allenic esters with furan and 2-methylfuran M. P. S. Ishar A. Wali and R. P. Gandhi pg 2185; DOI: 10.1039/P19900002185 |
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Reactivity and selectivity of N-vinylic 5-phosphazenes towards electrophiles. Synthesis of 2-aza-1,3-dienes José Barluenga Miguel Ferrero and Francisco Palacios pg 2193; DOI: 10.1039/P19900002193 |
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Photoinduced molecular transformations. Part 112. Transformation of steroids into ring-A-aromatized steroids and 19-norsteroids involving a regioselective -scission of alkoxyl radicals; synthesis of two marine natural products, 19-nor-5-cholestan-3-ol and 19-norcholest-4-en-3-one, and new synthesis of estrone and 19-nortestosterone Hiroshi Suginome Hisanori Senboku and Shinji Yamada pg 2199; DOI: 10.1039/P19900002199 |
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Palladium-catalysed desulphonylative vinylation of arenesulphonyl chlorides under solid–liquid phase-transfer conditions Masahiro Miura Hideo Hashimoto Kenji Itoh and Masakatsu Nomura pg 2207; DOI: 10.1039/P19900002207 |
(22Z,24S)-Stigmasta-5,22,25-trien-3-ol and other novel sterols from Clerodendrum scandens: first report of the isolation of a cis- 22-unsaturated sterol from a higher plantToshihiro Akihisa Toshitake Tamura Taro Matsumoto W. C. M. C. Kokke Parthasarathi Ghosh and Swapnadip Thakur pg 2213; DOI: 10.1039/P19900002213 |
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Studies in [3,4] sigmatropic rearrangements: a novel synthesis of 9-allenyl-10-substituted anthracenes from 10,10-disubstituted 9-anthrols Krishna C. Majumdar Abu T. Khan and Shital K. Chattopadhyay pg 2219; DOI: 10.1039/P19900002219 |
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Stereocontrolled conversion of 1-(3-hydroxyprop-1-enyl)uracil isomers into polyfunctional 3,9-propano- and 3,9(9,3)-propeno-aza-9H-xanthines Milan Joki  and Vinko  kari pg 2225; DOI: 10.1039/P19900002225 |
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Synthesis based on cyclohexadienes: Part 4. Novel synthesis of the 6-aryl-2,4-dimethoxybenzoates. Alternariol and methyl trimethylaltenusin Charles C. Kanakam N. S. Mani and G. S. R. Subba Rao pg 2233; DOI: 10.1039/P19900002233 |
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A study of rearrangement of some 1,3-dimethoxyalkan-2-ones Yin Yu Guo-qiang Chen Jun Zhu Xu-sheng Zhang Shu-xin Chen Hui-tong Tang and Pang Zhang pg 2239; DOI: 10.1039/P19900002239 |
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New procedures for selectively protected cholic acid derivatives. Regioselective protection of the 12-OH group, and t-butyl esterification of the carboxyl group Richard P. Bonar-Law Anthony P. Davis and Jeremy K. M. Sanders pg 2245; DOI: 10.1039/P19900002245 |
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Synthesis of a deoxyristomycinic acid derivative using organomanganese chemistry Anthony J. Pearson Seung-Han Lee and Fred Gouzoules pg 2251; DOI: 10.1039/P19900002251 |
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Stereoselective synthesis of ()-cis-inos-1,3-diamines Barbara Beier Karsten Schürrle Oleg Werbitzky and Wolfgang Piepersberg pg 2255; DOI: 10.1039/P19900002255 |
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Synthesis of marine toxins. A biomimetic approach to the novel spirobenzoquinonefuran stypoldione Michael J. Begley Paul V. Fish Gerald Pattenden and Simon T. Hodgson pg 2263; DOI: 10.1039/P19900002263 |
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Chemistry of indole glucosinolates: intermediacy of indol-3-ylmethyl isothiocyanates in the enzymic hydrolysis of indole glucosinolates A. Bryan Hanley Keith R. Parsley Jenny A. Lewis and G. Roger Fenwick pg 2273; DOI: 10.1039/P19900002273 |
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Oximation of 2-azido-4,4-dimethyl-3-oxo steroids: formation of -keto oximes and dioximes Thomas T. Takahashi James Y. Satoh and Kouichi Saitoh pg 2277; DOI: 10.1039/P19900002277 |
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Studies on synthesis of plant growth hormone steroids. Part 16. Stereoselective synthesis of 26,27-dinorbrassinolide Zhou Wei-Shan Zhou Hui-Qiang and Wang Zhi-Qin pg 2281; DOI: 10.1039/P19900002281 |
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Asymmetric total synthesis of naturally occurring (R)-(–)-enantiomer of tylophorine via intramolecular double Michael reaction Masataka Ihara Yoshinobu Takino Mayumi Tomotake (née Tsuruta) and Keiichiro Fukumoto pg 2287; DOI: 10.1039/P19900002287 |
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Reactions of trifluoromethyl bromide and related halides: part 10. Perfluoroalkylation of aromatic compounds induced by sulphur dioxide radical anion precursors Marc Tordeux Bernard Langlois and Claude Wakselman pg 2293; DOI: 10.1039/P19900002293 |
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General method for the asymmetric synthesis of anti-diastereoisomers of -substituted L-2-aminobutanoic acids via chiral nickel(II) Schiff's base complexes of dehydroaminobutanoic acid. X-Ray crystal and molecular structure of the nickel(II) complex of the Schiff's base from [(benzylprolyl)amino]benzophenone and dehydroaminobutanoic acid Yuri N. Belokon' Ashot S. Sagyan Silva A. Djamgaryan Vladimir I. Bakhmutov Sergei V. Vitt Andrei S. Batsanov Yuri T. Struchkov and Vasili M. Belikov pg 2301; DOI: 10.1039/P19900002301 |
Structure and spectral properties of -carbolines. Part 3. Synthesis and stereochemistry of 1,2,3,4,6,7,9,10,15b,15c-decahydropyrido[1 ,2:1,2]pyrazino[4,3:1,2]pyrido[3,4-b]indolesStanis aw Misztal Magorzata Dukat and Jerzy L. Mokrosz pg 2311; DOI: 10.1039/P19900002311 |
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Isolation and structure elucidation of punicalagin, a toxic hydrolysable tannin, from Terminalia oblongata Andrew J. Doig Dudley H. Williams Peter B. Oelrichs and Lubomir Baczynskyj pg 2317; DOI: 10.1039/P19900002317 |
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Nitrone cycloadditions: synthesis of ()-andrachamine William Carruthers Peter Coggins and John B. Weston pg 2323; DOI: 10.1039/P19900002323 |
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Reactions of ylides formed from trialkyl phosphites with dialkyl acetylenedicarboxylates in the presence of carbon dioxide Julian C. Caesar D. Vaughan Griffiths Penelope A. Griffiths and John C. Tebby pg 2329; DOI: 10.1039/P19900002329 |
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Making a vinyl-trimethylenemethane precursor through the addition of diethyl azodicarboxylate to tropone Richard Bushby and Christine Jarecki pg 2335; DOI: 10.1039/P19900002335 |
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Perkin communications. Acid-catalysed rearrangement of the Diels–Alder adducts of activated quinones Francisco Fariña M. Carmen Paredes and Jaime A. Valderrama pg 2345; DOI: 10.1039/P19900002345 |
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Biosynthesis of the methylthio side chain of caldariellaquinone Dan Zhou and Robert H. White pg 2346; DOI: 10.1039/P19900002346 |
The aza-di- -methane rearrangement of stable derivatives of 2,2-dimethyl-4,4-diphenylbut-3-enalDiego Armesto William M. Horspool Maria J. Mancheño and Maria J. Ortiz pg 2348; DOI: 10.1039/P19900002348 |
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New protocols for the synthesis of substituted 4-O-methyl tetramates Raymond C. F. Jones and Jacqueline M. Patience pg 2350; DOI: 10.1039/P19900002350 |
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Synthesis of 9-deoxy-8,9-oxaprostaglandins Michael J. Kelly Roger F. Newton Stanley M. Roberts and John F. Whitehead pg 2352; DOI: 10.1039/P19900002352 |
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5,21-Dimethyl-8,24-pentamethylenedioxy-1,10,17,26-tetra-aza[2,2](mo)2cyclophane Martyn Frederickson Neil A. Bailey Harry Adams and Edwin Haslam pg 2353; DOI: 10.1039/P19900002353 |
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Viologen-mediated reductive dehalogenation of -halogeno ketones Kwanghee Koh Park Chul Woo Lee Si-Young Oh and Joon Woo Park pg 2356; DOI: 10.1039/P19900002356 |
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Enantioselective synthesis of monofluorinated chiral building blocks from malonic acid Masataka Ihara Tomoko Kai Nobuaki Taniguchi and Keiichiro Fukumoto pg 2357; DOI: 10.1039/P19900002357 |
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Enzymic preparation of tetrahydrofuran derivatives of high optical purity Robert Seemayer and Manfred P. Schneider pg 2359; DOI: 10.1039/P19900002359 |
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Corrigenda Christine M. Bladon G. E. H. Elgemeie H. A. Regaila and N. Shehata pg 2361; DOI: 10.1039/P19900002361 |
Issue 9
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Front cover pg X033; DOI: 10.1039/P199000FX033 |
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Back cover pg X035; DOI: 10.1039/P199000BX035 |
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Contents pages pg P045; DOI: 10.1039/P199000FP045 |
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Back matter pg P049; DOI: 10.1039/P199000BP049 |
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-Amino acid isomers of a natural substrate of the enzyme -glutamyl-amino acid cyclotransferase. Synthesis of (3S)-3-aminoglutaryl-(S)-alanine and (3R)-3-aminoglutaryl-(S)-alanine Maxwell J. Crossley Megan L. Fisher Jeffrey J. Potter Philip W. Kuchel and Michael J. York pg 2363; DOI: 10.1039/P19900002363 |
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N-substituted benzotriazoles as synthons for 1,3-dipoles Alan R. Katritzky Gregory J. Hitchings and Xiaohong Zhao pg 2371; DOI: 10.1039/P19900002371 |
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Polyhalogenoheterocyclic compounds. Part 39. Reactions of 4,5,6-tris(perfluoroisopropyl)-1,2,3-triazine involving nucleophilic attack at heterocyclic nitrogen. X-Ray crystal structure of a spiro triazinium zwitterion Martin R. Bryce Richard D. Chambers Thomas Shepherd Masayuki Tamura Judith A. K. Howard and Owen Johnson pg 2379; DOI: 10.1039/P19900002379 |
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A new synthesis of -methylene lactones Toru Minami Kazunari Hirakawa Shinichiro Koyanagi Seigo Nakamura and Masahiko Yamaguchi pg 2385; DOI: 10.1039/P19900002385 |
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Rearrangement reactions of oxaziridines to nitrones. X-Ray crystal and molecular structure of N-t-butyl-(o-hydroxyphenyl)nitrone Dorthe Christensen Karl Anker Jørgensen and Rita G. Hazell pg 2391; DOI: 10.1039/P19900002391 |
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Enamine chemistry. Part 36. Alkylation of imines of medium–large ring ketones with electrophilic alkenes Peter W. Hickmott Kasturi K. Jutle and Daniel H. Pienar pg 2399; DOI: 10.1039/P19900002399 |
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Enantioselective synthesis of (+)-endo- and (–)-exo-1,3-dimethyl-2,9-dioxabicyclo[3.3.1]nonane Philip C. Bulman Page Christopher M. Rayner and Ian O. Sutherland pg 2403; DOI: 10.1039/P19900002403 |
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Improved synthesis of 2,3-disubstituted pyridines by metallation of 2-chloropyridine: a convenient route to fused polyheterocycles François Trécourt Francis Marsais Timur Güngör and Guy Quéguiner pg 2409; DOI: 10.1039/P19900002409 |
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Aminoselenenylation of alkenes: syntheses of -phenylseleno carbamates and -phenylseleno cyanamides Cosme G. Francisco Rosendo Hernández Elisa I. León José A. Salazar and Ernesto Suárez pg 2417; DOI: 10.1039/P19900002417 |
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Synthesis of 8-methyltestololactone A. Fernández Mateos J. de Pascual Teresa and R. Rubio González pg 2429; DOI: 10.1039/P19900002429 |
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Ferrocene derivatives. Part 25. Their use in the synthesis of 5H-cyclopenta[c]quinolines and 5,6-dihydro-5-azabenz[e]azulenes Touhami Lanez and Peter L. Pauson pg 2437; DOI: 10.1039/P19900002437 |
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Photolysis of 1,1,1-triarylalk-2-enes and 1,1,1-triarylhept-2-ynes. A novel generation of aryl(alk-1-enyl)carbenes and aryl(alk-1-ynyl)carbenes Min Shi Kouji Shouki Yoshiki Okamoto and Setsuo Takamuku pg 2443; DOI: 10.1039/P19900002443 |
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Reaction of N-trimethylsilyl benzil monoimine with simple lithium ester enolates. A synthetic tool for the regioselective one-pot preparation of novel polyfunctional pyrrolines Benito Alcaide and Julián Rodríguez-López pg 2451; DOI: 10.1039/P19900002451 |
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Synthesis of thiazolidine-2,5-dithiones: characterisation of 4-substituted thiazolidinedithiones Tatsuo Yamamoto Masao Itoh Nobuko Uchiyama Saitoh Motomu Muraoka and Tatsuo Takeshima pg 2459; DOI: 10.1039/P19900002459 |
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Dithiazoles and related compounds. Part 2. Synthesis of 5-aryl-1,4,2-dithiazolium salts Songkai Xie Shiyan Fan Xinyang Wang and Michael P. Sammes pg 2465; DOI: 10.1039/P19900002465 |
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Baker's yeast-mediated preparation of optically active aryl alcohols and diols for the synthesis of chiral hydroxy acids Patrizia Ferraboschi Paride Grisenti Ada Manzocchi and Enzo Santaniello pg 2469; DOI: 10.1039/P19900002469 |
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Synthesis of the indolo[2,3-a]carbazole natural products staurosporinone and arcyriaflavin B Ian Hughes William P. Nolan and Ralph A. Raphael pg 2475; DOI: 10.1039/P19900002475 |
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Total synthesis of (+)-albicanol and (+)-albicanyl acetate via a highly diastereoselective intramolecular [3 + 2] cycloaddition Kozo Shishido Yuji Tokunaga Naomi Omachi Kou Hiroya Keiichiro Fukumoto and Tetsuji Kametani pg 2481; DOI: 10.1039/P19900002481 |
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Polyphosphate ester-catalysed cyclodehydration of monoesters of N-substituted 3-(indol-3-yl)-5-methylcyclohex-4-ene-1,2-dicarboxylic acids; stereoselective synthesis of methyl 9-methyl-6-oxo-5-tosyl-5,6,6a,7,8,10a-hexahydroindeno[2,1-b]indole-7-carboxylate. X-Ray molecular structure of methyl 5-methoxy-9-methyl-6-oxo-5,6,6a,7,8,10a-hexahydroindeno[2,1-b]indole-7-carboxylate Kin-Fai Cheng Tze-Tat Wong Wing-Tak Wong and Ting-Fong Lai pg 2487; DOI: 10.1039/P19900002487 |
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A practical synthesis of an orally potent renin inhibitor, isopropyl (2R,3S)-4-cyclohexyl-2-hydroxy-3-{N-[(2R)-2-morpholinocarbonylmethyl-3-(1-naphthyl)propionyl]-L-histidyl}aminobutyrate Hiromu Harada Akira Iyobe Atsushi Tsubaki Toshiaki Yamaguchi Kazuma Hirata Tetsuhide Kamijo Kinji Iizuka and Yoshiaki Kiso pg 2497; DOI: 10.1039/P19900002497 |
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An (S)-(+)-lactic acid route to (2S,6R,8S)-2,8 dimethyl-1,7-dioxaspiro[5,5]undecane and (2S,6R,8S)-2-ethyl-8-methyl-1,7-dioxaspiro[5,5]undecane and demonstration of their presence in the rectal glandular secretion of Bactrocera nigrotibialis(Perkins) Michael V. Perkins William Kitching Wilfrid A. König and Richard A. I. Drew pg 2501; DOI: 10.1039/P19900002501 |
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Rearrangement reactions of N-phosphinoyl-O-sulphonylhydroxylamines with amines under competitive conditions. Possible involvement of monomeric metaphosphonimidates and phosphonamidic sulphonic mixed anhydrides Martin J. P. Harger and Adrian Smith pg 2507; DOI: 10.1039/P19900002507 |
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Structure of the reaction products from dehydroascorbic acid analogues, o-phenylenediamine, and arylhydrazines. X-Ray molecular structure of 3-[L-threo-2,3,4-triacetoxy-1-(phenylhydrazono)butyl]quinoxalin-2(1H)-one hemihydrate Adel Amer Abdel Moneim El Massry Laila Awad Nagwa Rashed El Sayed H. El Ashry and Douglas M. Ho pg 2513; DOI: 10.1039/P19900002513 |
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Synthesis and reactions of 4-acetoxy-1-oxyazetidin-2-ones Andrew Sheppard and Marvin J. Miller pg 2519; DOI: 10.1039/P19900002519 |
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8-Six-atom rings: 1,3,4,5-oxa- and -thia-triazines and 1,2,3,5-tetrazines from an extended tandem reaction: reactions of 1,2,3-triazolium-1-imides with (E)-cinnamaldehyde, methyl cyanodithioformate, and aryl-N-sulphinylamines: new tetrahydro-oxazolo[4,5-d]-1,2,3-triazoliumides and triazaspiro-[4.4]nonanes. Azolium 1,3-dipoles. Part 4 Richard N. Butler Ann M. Evans Eithne M. McNeela Gerard A. O'Halloran Paul D. O'Shea Desmond Cunningham and Patrick McArdle pg 2527; DOI: 10.1039/P19900002527 |
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Azapropellanes: new fused tetra-azatriazolo[n.3.3.01,x]-dodecenes and tridecenes. Substituted 3,3a,4,5,6,6a-hexahydropyrrolo[2,3-d]-1,2,3-triazoles from a general tandem cycloaddition–rearrangement reaction of 1,2,3-triazolium imides with substituted alkenes: kinetics and mechanism: azolium 1,3-dipoles. Part 3 Richard N. Butler Ann M. Evans Ann M. Gillan John P. James Eithne M. McNeela Desmond Cunningham and Patrick McArdle pg 2537; DOI: 10.1039/P19900002537 |
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Formal total synthesis of (+)-12-deoxyscalarolide Valentine Ragoussis Maria Liapis and Nikitas Ragoussis pg 2545; DOI: 10.1039/P19900002545 |
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Olivanic acid analogues. Part 7. Lead tetra-acetate oxidation of 3-alkylthio-7-oxo-1-azabicyclo[3.2.0]heptane-2-carboxylates John H. Bateson Stephen C. M. Fell Robert Southgate and John W. Tyler pg 2553; DOI: 10.1039/P19900002553 |
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A convenient chemoenzymatic synthesis of (R)- and (S)-(chloromethyl)oxirane Ching-Shih Chen Yeuk-Chuen Liu and Michael Marsella pg 2559; DOI: 10.1039/P19900002559 |
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New symmetrical and unsymmetrical tetrathiafulvalene -donors containing the dithiinoquinoxaline ring system Karikath S. Varma Stephen Edge Allan E. Underhill Jan Becher and Gustav Bojesen pg 2563; DOI: 10.1039/P19900002563 |
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Synthesis of C- and N-functionalised derivatives of 1,4,7-triazacyclononane-1,4,7-triyltriacetic acid (NOTA), 1,4,7,10-tetra-azacyclododecane-1,4,7,10-tetrayltetra-acetic acid (DOTA), and diethylenenetriaminepenta-acetic acid (DTPA): bifunctional complexing agents for the derivatisation of antibodies Jonathan P. L. Cox Andrew S. Craig Ian M. Helps Karl J. Jankowski David Parker Michael A. W. Eaton Andrew T. Millican Kenneth Millar Nigel R. A. Beeley and Byron A. Boyce pg 2567; DOI: 10.1039/P19900002567 |
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The stereochemistry of the chemical ring-contraction of kaurenolides to gibberellins Muzaffar Alam and James R. Hanson pg 2577; DOI: 10.1039/P19900002577 |
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Zinc–acetic acid reduction of the steroid 4-en-3-one: novel conversion of the 4-en-3-one into the 2-en-4-one via a vinyl chloride John F. Templeton Samar Majid Angelina Marr and Kirk Marat pg 2581; DOI: 10.1039/P19900002581 |
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Pigments of fungi. Part 17. (S)-(+)-dermochrysone, (+)-dermolactone, dermoquinone, and related pigments; new nonaketides from the fungus Dermocybe sanguinea(sensu Cleland) Melvyn Gill and Alberto Giménez pg 2585; DOI: 10.1039/P19900002585 |
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Stereoselective syntheses of -isosparteine Hitoshi Oinuma Shigeyuki Dan and Hiroshi Kakisawa pg 2593; DOI: 10.1039/P19900002593 |
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Structure and synthesis of the first flavonoid- and stilbene-related but-2-enolides Barend C. B. Bezuidenhoudt Annelie Swanepoel E. Vincent Brandt and Daneel Ferreira pg 2599; DOI: 10.1039/P19900002599 |
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Oxygen ligation in the nickel–mediated [2 + 2 + 2] co-cyclisation of a hepta-1,6-diyne and alkynol derivatives Parveen Bhatarah and Edward H. Smith pg 2603; DOI: 10.1039/P19900002603 |
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Biosynthesis of anabasine in transformed root cultures of Nicotiana species Allan B. Watson Alison M. Brown Ian J. Colquhoun Nicholas J. Walton and David J. Robins pg 2607; DOI: 10.1039/P19900002607 |
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Perkin communications. Synthesis of 3-amino-4-phenylpyridines: a novel strategy for the preparation of CD ring models of streptonigrin Francis Marsais Jean-Claude Rovera Alain Turck Alain Godard and Guy Quéguiner pg 2611; DOI: 10.1039/P19900002611 |
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A new synthesis of indolizines via thermal cyclisation of 2-pyridyl derivatives Moira L. Bode and Perry T. Kaye pg 2612; DOI: 10.1039/P19900002612 |
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[4 + 2], [2 + 2], and Carbene addition reactions involving cyclohexa-3,5-diene-cis-1,2-diol derivatives Wendy Downing Regine Latouche Carlos A. Pittol Robert J. Pryce Stanley M. Roberts George Ryback and Julian O. Williams pg 2613; DOI: 10.1039/P19900002613 |
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An easy preparation of 11-membered ring compounds via enamine from diethylenetriamine and DMAD Tadashi Okawara Shuji Ehara Shigenori Matsumoto Yoshinari Okamoto Tetsuo Yamasaki and Mitsuru Furukawa pg 2615; DOI: 10.1039/P19900002615 |
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Synthesis and solvent extraction properties of a novel calixarene-based uranophile bearing hydroxamate groups Takeshi Nagasaki Seji Shinkai and Tsutomu Matsuda pg 2617; DOI: 10.1039/P19900002617 |
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A new synthesis of cyclodextrin dimers John H. Coates Christopher J. Easton Stephen J. van Eyk Stephen F. Lincoln Bruce L. May Craig B. Whalland and Michael L. Williams pg 2619; DOI: 10.1039/P19900002619 |
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Stereochemistry of polymethylated ,-dibromoethers formed by bromination of alkene–epoxide mixtures David Neill and Susan E. Thomas pg 2620; DOI: 10.1039/P19900002620 |
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Diastereoselective conjugate addition of ammonia in the synthesis of chiral pyrrolidines Inmaculada Robina R. Patrick Gearing J. Grant Buchanan and Richard H. Wightman pg 2622; DOI: 10.1039/P19900002622 |
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Surface modification of inorganic supports for nucleophilic substitutions Hanfan Liu Hua Lu Ping Wang Pengnian Sun and Fuqing Zhang pg 2624; DOI: 10.1039/P19900002624 |
Issue 10
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Front cover pg X037; DOI: 10.1039/P199000FX037 |
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Back cover pg X039; DOI: 10.1039/P199000BX039 |
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Contents pages pg P053; DOI: 10.1039/P199000FP053 |
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Anthracyclinones. Part 5. Synthesis of some anthracyclinones and 4-hydroxyanthracyclinones containing a tertiary methyl carbinol function in ring A from D-glucose precursors Zulficar Ali Shireen Qureshi Gordon Shaw and Erik de Clercq pg 2627; DOI: 10.1039/P19900002627 |
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Constituents of Dragon's blood. Part 4. Dracoflavan A, a novel secotriflavanoid Alberto Arnone Gianluca Nasini and Lucio Merlini pg 2637; DOI: 10.1039/P19900002637 |
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Synthesis of [D-Ala2]Leu-enkephalin and [D-Ala2, D-Leu5]Leu-enkephalin with high specific tritiated activity in the leucine residue Hiroshi Hasegawa Yoshihiko Shinohara and Shigeo Baba pg 2641; DOI: 10.1039/P19900002641 |
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Vinyl cation formation by decomposition of vinyl-lead triacetates. The reactions of vinylmercury and vinyltin compounds with lead tetra-acetate Mark G. Moloney John T. Pinhey and Martin J. Stoermer pg 2645; DOI: 10.1039/P19900002645 |
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A very short route to fully aromatic 2,3,8,9- and 2,3,8,9,12-oxygenated benzo[c]phenanthridines Tiwalade A. Olugbade Roger D. Waigh and Simon P. Mackay pg 2657; DOI: 10.1039/P19900002657 |
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The influence of a 15-hydroxy group on the rearrangement reactions of steviol and its 16,17-epoxide Anthony G. Avent James R. Hanson Peter B. Hitchcock and Bras Heleno De Oliveira pg 2661; DOI: 10.1039/P19900002661 |
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1:3-Rearrangement of steroidal allylic acetoxy groups during epoxidation Nazar Flaih and James R. Hanson pg 2667; DOI: 10.1039/P19900002667 |
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Biosynthesis of mangostin. Part 1. The origin of the xanthone skeleton Graham J. Bennett Hiok-Huang Lee and Nagaratnam P. Das pg 2671; DOI: 10.1039/P19900002671 |
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An enantiocontrolled synthesis of (–)-malyngolide Toshio Honda Minako Imai Katsuyuki Keino and Masayoshi Tsubuki pg 2677; DOI: 10.1039/P19900002677 |
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Differential reactivity of -amino enones and 3-dimethylaminoacrylaldehyde towards -amino derivatives Angel Alberola José M. Andrés Alfonso González Rafael Pedrosa and Martina Vicente pg 2681; DOI: 10.1039/P19900002681 |
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Oxygenation of 2,6-di-t-butylphenol catalysed by a new cobalt(II) complex [Co(babp)]: a salen analogue having higher catalytic activity, selectivity, and durability Masaki Yamada Koji Araki and Shinsaku Shiraishi pg 2687; DOI: 10.1039/P19900002687 |
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Cobalt-mediated radical reactions in organic synthesis. Oxidative cyclisations of aryl and alkyl halides leading to functionalised reduced heterocycles and butyrolactones Harcharan Bhandal Vinod F. Patel Gerald Pattenden and Jamie J. Russell pg 2691; DOI: 10.1039/P19900002691 |
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Free radical reactions in synthesis. Homolysis of alkylcobalt complexes in the presence of radical-trapping agents Vinod F. Patel and Gerald Pattenden pg 2703; DOI: 10.1039/P19900002703 |
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Cobalt-mediated intermolecular radical additions to carbon-to-carbon double bonds leading to new functionalised alkenes Harcharan Bhandal Amy R. Howell Vinod F. Patel and Gerald Pattenden pg 2709; DOI: 10.1039/P19900002709 |
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Hydrocobaltation reactions of 1,3-dienes. Regioselective hydroxylation of myrcene to geraniol and to ()-linalool via allylcobaloxime intermediates Amy R. Howell and Gerald Pattenden pg 2715; DOI: 10.1039/P19900002715 |
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Acylcobalt salophen reagents. Precursors to acyl radical intermediates for use in carbon-to-carbon bond-forming reactions to alkenes Donal J. Coveney Vinod F. Patel Gerald Pattenden and David M. Thompson pg 2721; DOI: 10.1039/P19900002721 |
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Cobalt-mediated reactions in synthesis. The degradation of carboxylic acids to functionalised noralkanes via acylcobalt salophen intermediates Vinod F. Patel Gerald Pattenden and David M. Thompson pg 2729; DOI: 10.1039/P19900002729 |
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Oenothein B, a dimeric, hydrolysable tannin with macrocyclic structure, and accompanying tannins from Oenothera erythrosepala Tsutomu Hatano Taeko Yasuhara Muneto Matsuda Kazufumi Yazaki Takashi Yoshida and Takuo Okuda pg 2735; DOI: 10.1039/P19900002735 |
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Synthesis of [19-2H3]progesterone and [18-2H3]progesterone David N. Kirk Carmen Z. Smith Michael J. Varley and John W. Honour pg 2745; DOI: 10.1039/P19900002745 |
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Cycloadditions with 1-phenyl-5-vinylpyrazole Mercedes Medio-Simón M. José Alvarez de Laviada and José Seqúlveda-Arques pg 2749; DOI: 10.1039/P19900002749 |
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Investigation of the biosynthesis of 3-hydroxy triterpenoids, ganoderic acids T and S, by application of a feeding experiment using [1,2-13C2]acetate Masao Hirotani Isao Asaka and Tsutomu Furuya pg 2751; DOI: 10.1039/P19900002751 |
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Enzymatic cyclizations mediated by ultrasonically stimulated baker's yeast: synthesis of imidazo-fused heterocycles Ahmed Kamal Maddamsetty V. Rao and Adari B. Rao pg 2755; DOI: 10.1039/P19900002755 |
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Enantioconvergent synthesis of (–)-3-methyl-3-phenylcyclopentanone Milind M. Gharpure and A. S. Rao pg 2759; DOI: 10.1039/P19900002759 |
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Synthesis of per-O-alkylated 5-thio-D-glucono-1,5-lactones and transannular participation of the ring sulphur atom of 5-thio-D-glucose derivatives on solvolysis under acidic conditions Hideya Yuasa Jun-ichi Tamura and Hironobu Hashimoto pg 2763; DOI: 10.1039/P19900002763 |
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Homochiral syntheses of (–)-dihydrocorynantheol Masataka Ihara Nobuaki Taniguchi Ken Yasui and Keiichiro Fukumoto pg 2771; DOI: 10.1039/P19900002771 |
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Approaches to 2,6-diaryl-3,7-dioxabicyclo[3.3.0]octane lignans via asymmetric synthesis of dihydro- and tetrahydro-furan derivatives Andrew Pelter Robert S. Ward and Gillian M. Little pg 2775; DOI: 10.1039/P19900002775 |
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Characterization of light-harvesting pigments of Chloroflexus aurantiacus. Two new chlorophylls: oleyl (octadec-9-enyl) and cetyl (hexadecanyl) bacteriochlorophyllides-c Frédéric Fages Nils Griebenow Kai Griebenow Alfred R. Holzwarth and Kurt Schaffner pg 2791; DOI: 10.1039/P19900002791 |
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Thermal and photochemical reactions of 5-cyclopentadienyl(naphthoyl)(dicarbonyl)iron complexes with alkynes: formation of benzindenones and dihydropentalenones Ian R. Butler Jean-Pierre Charland Joanne L. Elliot Jean Houde Jr. W. Edward Lindsell Kevin J. McCullough Peter N. Preston and Alan B. Rettie pg 2799; DOI: 10.1039/P19900002799 |
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An efficient method for the copper(II)-promoted stereoselective iodofunctionalization of alkenes José Barluenga Miguel A. Rodríguez and Pedro J. Campos pg 2807; DOI: 10.1039/P19900002807 |
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A convenient one-pot synthesis of 4-methoxyalka-2,4-dienoates Ewan F. Birse Michael D. Ironside Leslie McQuire and Alistair W. Murray pg 2811; DOI: 10.1039/P19900002811 |
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The bromination of some B-norandrost-5-enes. X-Ray molecular structure of 17-acetoxy-4,6-dibromo-5-methyl-7,19-dinorandrost-9(10)-ene James R. Hanson Peter B. Hitchcock and Vasuki Thanganvelu pg 2821; DOI: 10.1039/P19900002821 |
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Photoinduced molecular transformations. Part 113. One-step transformations of cyclic ethers into -iodoalkyl formates and of aldehyde cyclic acetals into monoesters of ,-alkanediols by iodoxyl radical Hiroshi Suginome and Jian Bo Wang pg 2825; DOI: 10.1039/P19900002825 |
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Phosphorylated sugars. Part 26. Synthesis of 3-deoxy-D-manno-oct-2-ulosonic acid 7-phosphate France-Isabelle Auzanneau Daniel Charon and Ladislas Szabó pg 2831; DOI: 10.1039/P19900002831 |
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Ring expansion of cyclopropylmethanols to cyclobutanes—an enantioselective total synthesis of (R)-(+)-dodecan-5-olide, and (S)-(+)- and (R)-(–)-5-[(Z)-dec-1-enyl]dihydrofuran-2(3H)-one Hideo Nemoto Hiroki Ishibashi Masahiko Mori Shigekazu Fujita and Keiichiro Fukumoto pg 2835; DOI: 10.1039/P19900002835 |
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Isolation and structure of vaalens-1, -3, -5, and -7. Sesquiterpene esters of Catha transvaalensis Codd (Celastraceae): X-ray molecular structure of vaalens-5 Michael J. Begley Leslie Crombie W. Mary L. Crombie Dane Toplis and Donald A. Whiting pg 2841; DOI: 10.1039/P19900002841 |
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Perkin communication. Formation of secondary alcohols from the reaction of trimethyl- and methyldiphenyl-telluronium salts with aldehydes by use of organolithium reagents Li-Lan Shi Zhang-Lin Zhou and Yao-Zeng Huang pg 2847; DOI: 10.1039/P19900002847 |
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A general synthesis of 2-alkyl(aryl)-4-morpholinopyridines Mark A. Armitage and Michael B. Mitchell pg 2848; DOI: 10.1039/P19900002848 |
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Absolute configuration and synthesis of the liverwort sesquiterpene alcohol tamariscol Motoo Tori Masakazu Sono and Yoshinori Asakawa pg 2849; DOI: 10.1039/P19900002849 |
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A new approach to neoflavonoid synthesis Dervilla M. X. Donnelly Jean-Pierre Finet Patrick J. Guiry and Rhona M. Hutchinson pg 2851; DOI: 10.1039/P19900002851 |
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Inclusion complexes of a new host, 4,5-bis(4-methoxyphenyl)-2-(4-nitrophenyl)-1H-imidazole, with various guests Yoshiko Sakaino Ryouko Fujii and Takaji Fujiwara pg 2852; DOI: 10.1039/P19900002852 |
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Site selective oxidation of some azaspiroundecanes using Beauvaria sulfurescens ATCC 7159 William Carruthers Jeremy D. Prail Stanley M. Roberts and Andrew J. Willetts pg 2854; DOI: 10.1039/P19900002854 |
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Oxidative ring contraction of the phytoalexin cyclobrassinin: a way to brassilexin Michel Devys and Michel Barbier pg 2856; DOI: 10.1039/P19900002856 |
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Stereoselective synthesis of either ()-exo- or ()-endo-brevicomin via hydride reduction of a 2-acylpyranyl intermediate David P. Richardson Whitney Wilson Rebecca J. Mattson and Dawn M. Powers pg 2857; DOI: 10.1039/P19900002857 |
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Corrigendum Julia M. Dickinson John A. Murphy Christopher W. Patterson and Nicholas F. Wooster pg 2861; DOI: 10.1039/P19900002861 |
Issue 11
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Front cover pg X041; DOI: 10.1039/P199000FX041 |
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Back cover pg X043; DOI: 10.1039/P199000BX043 |
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Contents pages pg P057; DOI: 10.1039/P199000FP057 |
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A concise and general entry into (R)-4-hydroxy-2-substituted cyclopent-2-enones from D-glucose: chiral intermediates for the synthesis of PGE2, (–)-pentenomycin I, and allethrin Saïud Achab and Bhupesh C. Das pg 2863; DOI: 10.1039/P19900002863 |
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Acyl radical cyclizations in synthesis. Part 3. Synthesis of ()-trans-3,5-bis-(t-butyldimethylsiloxy)-2-methylenecyclohexanone, an A ring model for 1, 25-dihydroxyvitamin D3 Duncan Batty David Crich and Simon M. Fortt pg 2875; DOI: 10.1039/P19900002875 |
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The dithiole series. Part 8. Synthesis of ring-fused 1,2-dithiolylium and isothiazolium salts from complexes containing cyclopalladated ligands Robert C. Davis Trevor J. Grinter Derek Leaver Robert M. O'Neil and Gordon A. Thomson pg 2881; DOI: 10.1039/P19900002881 |
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Synthesis of 24-methyl-26-hydroxysteroid side-chains: models for stereochemical assignments in polyhydroxylated marine steroids Maria Valeria D'Auria Francesco De Riccardis Luigi Minale and Raffaele Riccio pg 2889; DOI: 10.1039/P19900002889 |
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Stereochemical assignment at C-24 and C-25 of marine 24-ethyl-26-hydroxy steroids through comparison with synthetic (24S,25S)-, (24S,25R)-, (24R,25R)-, and (24R,25S)-models Maria Valeria D'Auria Luigi Gomez Paloma Luigi Minale and Raffaele Riccio pg 2895; DOI: 10.1039/P19900002895 |
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Participation of the 19-substituent in the conversion of 19-hydroxyandrost-4-ene-3,17-dione into the corresponding 4,5-diosphenol Sophia Hrycko and Peter Morand pg 2899; DOI: 10.1039/P19900002899 |
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Rearrangement of rel-(4aR,7S,7aR,13S)1,2,3,4,4a,5,6,7,7a,12-decahydro-7-phenylisoindolo[1,2-d]quinolizin-13-ium tosylate to rel-(5S,6R,10R,13S)-5,6,7,8,9,10,11,12,13,14-decahydro-13-phenyl-5,6,10-nitrilobenzocyclododecene Trevor A. Crabb Craig J. Roxburgh and Roger F. Newton pg 2905; DOI: 10.1039/P19900002905 |
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Preparation and Diels–Alder reactivity of thieno[2,3-c]-and thieno[3,2-c]-pyran-3-ones. Stable 2,3-dimethylenethiophene derivatives; synthesis of benzothiophenes P. Mark Jackson Christopher J. Moody and Pritom Shah pg 2909; DOI: 10.1039/P19900002909 |
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Preparation and conformational studies of chiral camphor-derived oxaziridines Uwe Verfürth and Rudolf Herrmann pg 2919; DOI: 10.1039/P19900002919 |
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Vinyl azides in heterocyclic synthesis. Part 10. Synthesis of the isoindolobenzazepine alkaloid lennoxamine Christopher J. Moody and Graham J. Warrellow pg 2929; DOI: 10.1039/P19900002929 |
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An unambiguous synthesis of adenylosuccinic acid and its constituent nucleoside Ildiko M. Buck and Colin B. Reese pg 2937; DOI: 10.1039/P19900002937 |
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A convenient synthesis of pyrazolo[3,4-b]pyridine nucleosides by convenient ring-closure procedures. X-Ray crystal and molecular structure of 4-amino-1 -(-D-ribofuranosyl)-1,7-dihydropyrazolo[3,4-b]pyridin-6-one Yogesh S. Sanghvi Steven B. Larson Roland K. Robins and Ganapathi R. Revankar pg 2943; DOI: 10.1039/P19900002943 |
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Preparation of unsaturated hydroperoxides from N-alkenyl-N-p-tosylhydrazines A. J. Bloodworth J. L. Courtneidge Richard J. Curtis and Michael D. Spencer pg 2951; DOI: 10.1039/P19900002951 |
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Chemistry of the (Z)-cyclo-oct-4-enyl radical including the preparation of 18O2-labelled (Z)-cyclo-oct-4-enyl hydroperoxide A. J. Bloodworth David Crich and T. Melvin pg 2957; DOI: 10.1039/P19900002957 |
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Thiamine biosynthesis in yeast—evaluation of 4-hydroxy-5-hydroxymethyl-2-methylpyrimidine as a precursor Robert L. Baxter A. Bryan Hartley and Henry W. S. Chan pg 2963; DOI: 10.1039/P19900002963 |
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Acid catalysed reactions of aryl ketene dithioacetal S-oxides: synthesis of chloroketene thioacetals and thioesters Alan T. Hewson Stewart K. Richardson and David A. Sharpe pg 2967; DOI: 10.1039/P19900002967 |
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Thermal reactivity of 2-azido- and 3-azido-benzo[b]thiophene with alkenes Maria Funicello Piero Spagnolo and Paolo Zanirato pg 2971; DOI: 10.1039/P19900002971 |
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Studies of chromenes. Part 9. Syntheses of chromenequinones Philip E. Brown Robert A. Lewis and Mark A. Waring pg 2979; DOI: 10.1039/P19900002979 |
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Ring D expansion and aromatisation in the biosynthesis of Nic-1, an antifeedant steroid from Nicandra physaloides Harjit K. Gill Roland W. Smith and Donald A. Whiting pg 2989; DOI: 10.1039/P19900002989 |
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Electrochemical cyclization of 1-phenyl-2(-1chlorophenyl)-substituted five-membered nitrogen heterocycles. Application to the synthesis of phenanthridines James Grimshaw and S. Armstrong Hewitt pg 2995; DOI: 10.1039/P19900002995 |
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Photochemical dimerization of methyl 2-furyl- and 2-thienylacrylate and related compounds in solution Maurizio D'Auria Giovanni Piancatelli and Anna Vantaggi pg 2999; DOI: 10.1039/P19900002999 |
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Reactions of thiazolidine-2,5-dithiones with amino nucleophiles. Synthesis of midazolidine-2,4-dithiones, lmidazo[5,1-a]-imidazole, -pyrimidine, -perimidine, -[2,1-b][1,3,4]thiadiazines and pyrrole-3(2H)-thiones Tatsuo Yamamoto Masumi T. Imagawa Yumiko T. Yabe Eriko M. Suwabe and Motomu Muraoka pg 3003; DOI: 10.1039/P19900003003 |
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Aqueous cycloaddition using glyco-organic substrates. Facial stereoselectivity in Diels–Alder reactions of a chiral diene derived from D-glyceraldehyde André Lubineau Jacques Augé and Nadège Lubin pg 3011; DOI: 10.1039/P19900003011 |
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A new method for radical generation: reductive C–Se or C–S bond cleavage of cyclic onium salts Tadashi Kataoka Kazuhiro Tsutsumi Kenji Kano Kazuya Mori Miho Miyake Manabu Yokota Hiroshi Shimizu and Mikio Hori pg 3017; DOI: 10.1039/P19900003017 |
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Synthesis of some piperidine sugar uracil nucleosides with a 2,3-substituted-imino bridge Katsumaro Minamoto Norio Fujiwara Yoshihisa Hoshino Yuji Hamano Shoji Eguchi Toshihiko Hirota and Reimei Moroi pg 3027; DOI: 10.1039/P19900003027 |
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Synthesis of unsaturated 4-azido pyranosyl thymines as potential antiviral and anti-HIV agents Michel Bessodes Marie-José Egron Jean Filippi and Kostas Antonakis pg 3035; DOI: 10.1039/P19900003035 |
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Reactivity of 2-methylene-1,3-dicarbonyl compounds. Inverse electron-demand Diels–Alder reactions with alkyl vinyl ethers Masashige Yamauchi Sadamu Katayama Osamu Baba and Toshio Watanabe pg 3041; DOI: 10.1039/P19900003041 |
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Synthesis of new steroidal 11-substituted spirolactones Hassane Faraj Michel Claire Anne Rondot André Aumelas and Gilles Auzou pg 3045; DOI: 10.1039/P19900003045 |
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Studies in quinoxaline series. Part 18. Structure of products of a new reaction of tetrazolo[1,5-a]quinoxaline 5-oxide with carbanions. X-Ray molecular structure of 4-acetyl-4-methyl-3b,4-dihydroazirino[1,2-a]tetrazolo-[5,1-c]quinoxaline Ji  í Klicnar Jaromír Toman Antonín Lyka Jindich Haek Jií Jený and Karel Huml pg 3049; DOI: 10.1039/P19900003049 |
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Synthesis and reactivity of (1S,4S,5S)-5-bromo-1,3,3-trimethyl-N-nitro-2-oxabicyclo[2.2.2]octan-6-imine. X-Ray molecular structure and absolute configuration of E and Z isomers of (1S,4S)-5,5-dibromo-1,3,3-trimethyl-N-nitro-2-oxabicyclo[2.2.2]octan-6-imine, the first case of separated nitrimine isomers Angelo Ranise Francesco Bondavalli Pietro Schenone Angelo Mugnoli and Marcella Pani pg 3053; DOI: 10.1039/P19900003053 |
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Enantioselective reduction of racemic abscisic acid by Aspergillus niger cultures Alberto Arnone Rosanna Cardillo Gianluca Nasini and Orso Vajna de Pava pg 3061; DOI: 10.1039/P19900003061 |
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A new synthetic approach to pseudo-sugars by asymmetric Diels–Alder reaction. Synthesis of optically pure pseudo--D-mannopyranose, 1 -amino-1 -deoxypseudo--D-mannopyranose and pseudo--L-mannopyranose derivatives Tamiko Takahashi Hironori Kotsubo Akira Lyobe Toshie Namiki and Toru Koizumi pg 3065; DOI: 10.1039/P19900003065 |
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Synthesis of diarene oxides of benz[a]anthracene, chrysene and benzo[c]phenanthrene Shiv. K. Agarwal Derek R. Boyd M. Rosaleen McGuckin W. Brian Jennings and Oliver W. Howarth pg 3073; DOI: 10.1039/P19900003073 |
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The photochemical behaviour of 2-methylcyclohept-2-enones Luiz Claudio de Almeida Barbosa John Mann and W. Jonathan Cummins pg 3081; DOI: 10.1039/P19900003081 |
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[4 + 2]Cycloaddition of monocyclic imidazole derivatives with electron-deficient acetylenes Chiji Yamazaki Kikumi Katayama and Kieko Suzuki pg 3085; DOI: 10.1039/P19900003085 |
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A facile and stereospecific synthesis of L-glycerol-D-manno-heptose and some derivatives Mohamed Dasser Françoise Chrétien and Yves Chapleur pg 3091; DOI: 10.1039/P19900003091 |
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New synthesis of 4,5-dihydro-1,3-oxazoles and 4,5-dihydro-1,3-oxazines, useful intermediates to enantiomerically pure amino diols. X-Ray molecular structure of (4S,5R,4S)-1 -(4-lodomethyl-4-methyl-4,5-dihydro-1,3-oxazol-2-yl)-3,4-dimethyl-5-phenylimidazolidin-2-one and (4S,5R,4S,1S)-1 -[4-(1-iodobutyl)-4,5-dihydro-1,3-oxazol-2-yl]-3,4-dimethyl-5-phenylimidazolidin-2-one Alessandro Bongini Giuliana Cardillo Mario Orena Piera Sabatino Sergio Sandri and Marta S. Romero pg 3095; DOI: 10.1039/P19900003095 |
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Synthesis and characterisation of some new N-nitrosodipeptides Brian C. Challis Jamie R. Milligan and Robert C. Mitchell pg 3103; DOI: 10.1039/P19900003103 |
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Effect of boron trifluoride–diethyl ether (BF3OEt2) in the Diels–Alder reaction of quinoline- and isoquinoline-5,8-dione with unsymmetrical aliphatic dienes: theoretical study on the orientation of cycloadditions Eriko Ohgaki Jiro Motoyoshiya Susumu Narita Toshio Kakurai Sadao Hayashi and (the late) Kiyo-ichi Hirakawa pg 3109; DOI: 10.1039/P19900003109 |
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Asymmetric Diels–Alder reactions. Part 5. Influence of sugar substituents upon the diastereofacial reactivity of (E-)3-(t-butyldimethylsiloxy)-1-(D-glucopyranosyloxy)buta-1,3-dienes Brian Beagley David S. Larsen Robin G. Pritchard and Richard J. Stoodley pg 3113; DOI: 10.1039/P19900003113 |
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Latent inhibitors. Part 6. Inhibition of dihydro-orotate dehydrogenase by substituted 5-benzylhydantoins Colin Howie Colin J. Suckling and Hamish C. S. Wood pg 3129; DOI: 10.1039/P19900003129 |
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Latent inhibitors. Part 7. Inhibition of dihydro-orotate dehydrogenase by spirocyclopropanobarbiturates William Fraser Colin J. Suckling and Hamish C. S. Wood pg 3137; DOI: 10.1039/P19900003137 |
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Structure of paxisterol, a sterol from Penicillium paxilli Tohru Yasuzawa Mayumi Yoshida and Hiroshi Sano pg 3145; DOI: 10.1039/P19900003145 |
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Regiospecific enolates from tetrahydropyran-3-one. Synthetic equivalents of a thermodynamically and kinetically disfavoured enolate isomer Paul Cox Simon Lister and Timothy Gallagher pg 3151; DOI: 10.1039/P19900003151 |
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Azepinones. Part 2. 1H and 13C NMR spectra of 1-substituted, 1,2-disubstituted, and 1,2,2-trisubstituted 1H-azepin-3(2H)-ones Hamish McNab and Lilian C. Monahan pg 3159; DOI: 10.1039/P19900003159 |
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Azepinones. Part 3. Reactions of simple 1H-azepin-3(2H)-ones with electrophiles Hamish McNab Lilian C. Monahan and Alexander J. Blake pg 3163; DOI: 10.1039/P19900003163 |
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Azepinones. Part 4. Electrocyclic and cycloaddition reactions of simple 1H-azepin-3(2H)-ones Hamish McNab and Lilian C. Monahan pg 3169; DOI: 10.1039/P19900003169 |
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The transient dienophile diethyl thioxomalonate and its S-oxide (sulphine) formed by retro-Diels–Alder cleavage reactions Gordon W. Kirby and William M. McGregor pg 3175; DOI: 10.1039/P19900003175 |
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Synthesis of indole oxazolines; novel 5-HT3 antagonists Christopher J. Swain Clare Kneen Richard Herbert and Raymond Baker pg 3183; DOI: 10.1039/P19900003183 |
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4-Amido-3,4-dihydro-2H-1-benzothiopyran-3-ols and their sulphoxide and sulphone derivatives—cromakalim analogues David G. Smith pg 3187; DOI: 10.1039/P19900003187 |
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A synthesis of aaptamine from 6,7-dimethoxy-1-methylisoquinoline Piotr Balczewski M. Kieran J. Mallon Jonathan D. Street and John A. Joule pg 3193; DOI: 10.1039/P19900003193 |
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Perkin communications. Biocatalytic asymmetric cycloaddition of benzonitrile N-oxides to N-vinylcarbazole K. Rama Rao Y. V. D. Nageswar and H. M. Sampathkumar pg 3199; DOI: 10.1039/P19900003199 |
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Asymmetric reduction of N-substituted ketimines with the reagent prepared from borane and (S)-(–)-2-amino-3-methyl-1,1-diphenylbutan-1-ol (itsuno's reagent): enantioselective synthesis of optically active secondary amines Byung Tae Cho and Yu Sung Chun pg 3200; DOI: 10.1039/P19900003200 |
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The synthesis of the dihydromahubanolides William W. Wood and Graham M. Watson pg 3201; DOI: 10.1039/P19900003201 |
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Synthesis of unsymmetrical 4,4-disubstituted 2,2-bipyridines containing benzo crown ether and ferrocene moieties Oldrich Kocian Roger J. Mortimer and Paul D. Beer pg 3203; DOI: 10.1039/P19900003203 |
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Change of regioselectivity in the reaction of tin enolates and -bromo ketones; synthesis of 1,4-diketones under non-radical conditions Akio Baba Makoto Yasuda Katsunori Yano Ikuya Shibata and Haruo Matsuda pg 3205; DOI: 10.1039/P19900003205 |
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Aldol condensations in the absence of solvent: acceleration of the reaction and enhancement of the stereoselectivity Fumio Toda Koichi Tanaka and Koki Hamai pg 3207; DOI: 10.1039/P19900003207 |
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Tandem cycloaddition–enzymatic transesterification. An enantioselective Diels–Alder reaction equivalent Cecilia Andreu J. Alberto Marco and Gregorio Asensio pg 3209; DOI: 10.1039/P19900003209 |
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Asymmetric synthesis of 1,3,4-trisubstituted and 3,4-disubstituted 2-azetidinones: strategy based on use of D-glucosamine as a chiral auxiliary in the Staudinger reaction Derek H. R. Barton Alice Gateau-Olesker Josefa Anaya-Mateos Jeanine Cléophax Stephen D. Géro Angèle Chiaroni and Claude Riche pg 3211; DOI: 10.1039/P19900003211 |
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A regiospecific synthesis of 3-arylpyrroles Peter T. Gallagher Jane L. Palmer and Sarah E. Morgan pg 3212; DOI: 10.1039/P19900003212 |
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Enantioselective furylation of prochiral aldehydes by difurylzinc in the presence of a chiral amino alcohol: asymmetric synthesis of 2-furylmethanols Kenso Soai and Yasuhiro Kawase pg 3214; DOI: 10.1039/P19900003214 |
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Enzyme-catalysed asymmetric synthesis of a spiro[3.3]heptane derivative with axial chirality and enzymatic resolution of racemic spiro[3.3]heptane derivatives Koichiro Naemura and Atsushi Furutani pg 3215; DOI: 10.1039/P19900003215 |
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Efficient synthetic methodology for 1,3-dithiolane 1 -oxides via singlet oxidation of 1,3-dithiolanest Bipin Pandey Smita Y. Bal Uday R. Khire and Ashok T. Rao pg 3217; DOI: 10.1039/P19900003217 |
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Synthesis of ()-gonyauline, an endogenous substance shortening the period of circadian rhythm in the unicellular alga Gonyaulax polyedra Hideshi Nakamura pg 3219; DOI: 10.1039/P19900003219 |
Issue 12
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Front cover pg X045; DOI: 10.1039/P199000FX045 |
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Back cover pg X047; DOI: 10.1039/P199000BX047 |
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Contents pages pg P063; DOI: 10.1039/P199000FP063 |
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Stereoselective synthesis of racemic fragranol by an intramolecular ester enolate alkylation Deukjoon Kim Young Kyoung Lee Yoo Mi Jang In O Kim and Sang Woo Park pg 3221; DOI: 10.1039/P19900003221 |
Generation of thionitrosoarenes (ArN S) from N-(arylaminothio)phthalimides and in situ trapping with alkenes and conjugated dienesMartin R. Bryce and Paul C. Taylor pg 3225; DOI: 10.1039/P19900003225 |
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The hydroboration of (trimethylsilyl)ethyne with dialkylboranes and its application to the syntheses of (E)-1-(trimethylsilyl)alk-1-enes and 2-(trimethylsilyl)alk-1-enes Masayuki Hoshi Yuzuru Masuda and Akira Arase pg 3237; DOI: 10.1039/P19900003237 |
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Synthesis of mesoionic triazoline nucleosides Masataka Yokoyama Toshihiro Ikuma Nobutoshi Obara and Hideo Togo pg 3243; DOI: 10.1039/P19900003243 |
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Fungal metabolites. Part 3. Structural elucidation of antibiotic peptides, trichosporin-B-IIIb, -IIIc, -IVb, -IVc, -IVd, -VIa and -VIb from Trichoderma polysporum. Application of fast-atom bombardment mass spectrometry/mass spectrometry to peptides containing a unique Aib–Pro peptide bond Akira Iida Masahiro Okuda Shinichi Uesato Yoshihisa Takaishi Tetsuro Shingu Masanori Morita and Tetsuro Fujita pg 3249; DOI: 10.1039/P19900003249 |
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Base-induced rearrangement of tetraalkyl(diphenylphosphinoyl)hydrazinium salts to phosphinoyl aminals; possible relevance to the photochemical rearrangement of trialkylammonio(diphenylphosphinoyl)imides Sally Freeman and Martin J. P. Harger pg 3257; DOI: 10.1039/P19900003257 |
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Stereoselectivity in fragmentation and rearrangement of -hydroxyimino-phosphinates and -phosphonates. A synthetic approach to acylphosphon- and phosphor-amidates. Crystal structures of methyl (E)--hydroxyimino-benzylphenylphosphinate and methyl benzoylphenylphosphonamidate Eli Breuer Ada Schlossman Muhammad Safadi Dan Gibson Michael Chorev and Haim Leader pg 3263; DOI: 10.1039/P19900003263 |
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1,5-Sigmatropic formyl migration in 1,3-dimethylbenz[f]indene-1-carbaldehyde; evidence for product-like transition states David W. Jones and Robert J. Marmon pg 3271; DOI: 10.1039/P19900003271 |
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Cycloadditions of nitrile oxides with benzofurazan N-oxides Nicolaos G. Argyropoulos and John K. Gallos pg 3277; DOI: 10.1039/P19900003277 |
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Synthesis of biotinylated and photoreactive probes for angiotensin receptors René Seyer and André Aumelas pg 3289; DOI: 10.1039/P19900003289 |
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Niphatesines A–D, new antineoplastic pyridine alkaloids from the okinawan marine sponge Niphates sp. Jun'ichi Kobayashi Tetsuya Murayama Sumiko Kosuge Fuyuko Kanda Masami Ishibashi Hiroshi Kobayashi Yasushi Ohizumi Tomihisa Ohta Shigeo Nozoe and Takuma Sasaki pg 3301; DOI: 10.1039/P19900003301 |
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Synthesis and crystal structures of three rigidly linked donor–acceptor systems designed to test the effect of bridge configuration on the dynamics of long-range intramolecular electron transfer processes Donald C. Craig James M. Lawson Anna M. Oliver and Michael N. Paddon-Row pg 3305; DOI: 10.1039/P19900003305 |
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Yeast reduction of some four-carbon chlorinated ketones. A convenient synthesis of (S)-(+)-but-3-en-2-ol Tuncel Ibrahim Timothy J. Grattan and John Stanley Whitehurst pg 3317; DOI: 10.1039/P19900003317 |
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Extended tandem reactions of 2H-1,2,3-triazole N-oxides with dialkyl acetylenedicarboxylates and N-phenylmaleimide: substituted monocyclic 2,5-dihydro-1,2,3-triazines and new tetrahydrofuro[2,3-d]-1,2,3-triazoles. Azolium 1,3-dipoles part 5 Richard N. Butler Desmond Cunningham Elizabeth G. Marren and Patrick McArdle pg 3321; DOI: 10.1039/P19900003321 |
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Structures of campanin and rubrocampanin, two novel acylated anthocyanins with p-hydroxybenzoic acid from the flowers of bellflower, Campanula medium L. Norihiko Terahara Kenjiro Toki Norio Saito Toshio Honda Taishi Isono Hiroshi Furumoto and Yasuhide Kontani pg 3327; DOI: 10.1039/P19900003327 |
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Autoaccelerative diazo coupling with calix[4]arene: substituent effects on the unusual co-operativity of the OH groups Seiji Shinkai Koji Araki Jiro Shibata Daisuke Tsugawa and Osamu Manabe pg 3333; DOI: 10.1039/P19900003333 |
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Photochemical oxygenation of phenols by pyrimido[5,4-g]pteridne N-oxide. Comparative studies with pyridazine and isoalloxazine N-oxides Magoichi Sako Seiji Ohara Kosaku Hirota and Yoshifumi Maki pg 3339; DOI: 10.1039/P19900003339 |
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Reduction and stereochemistry of terrecyclic acid A and its derivatives Hiroshi Hirota Shingo Kakita Takeyoshi Takahashi Akira Hirota Masahira Nakagawa and Akira Isogai pg 3345; DOI: 10.1039/P19900003345 |
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The synthesis of some water insoluble dyes for the measurement of pH in water immiscible solvents Linda Brown Peter J. Halling Grant A. Johnston Colin J. Suckling and Rao H. Valivety pg 3349; DOI: 10.1039/P19900003349 |
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Perkin communications. Synthesis of chiral long-chain -hydroxy acids from L-ascorbic acid. Useful components for the synthesis of cerebrosides Kazuyuki Yamagata Yoshiro Yamagiwa and Tadao Kamikawa pg 3355; DOI: 10.1039/P19900003355 |
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Generation of 2,3-naphthoquinones under non-oxidative conditions David W. Jones and Firstborn Matthew Nongrum pg 3357; DOI: 10.1039/P19900003357 |
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A facile preparation of tetrathiafulvalenes having alkylthio groups from 1,3-dithiole-2-thiones using a high-pressure reaction Yoshiro Yamashita Masaaki Tomura and Shoji Tanaka pg 3358; DOI: 10.1039/P19900003358 |
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Synthesis of diazepam related analogues of miltirone, an active central benzodiazepine receptor ligand isolated from Salvia miltiorrhiza bunge (danshen) Yun He Hson Mou Chang Yee Kwan Lau Yu Xin Cui Ru Ji Wang Thomas C. W. Mak Henry N. C. Wong and Chi Ming Lee pg 3359; DOI: 10.1039/P19900003359 |
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Intramolecular [2+ 2] photocycloaddition of Group 14 organometallic compounds bearing a styrene chromophore: a route to sila- and germa-cyclophanes and spiro compounds Kazuhisa Nakanishi Kazuhiko Mizuno and Yoshio Otsuji pg 3362; DOI: 10.1039/P19900003362 |
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Design requirements for pyroglutamic acid substitutions in peptides Prem K. C. Paul David J. Osguthorpe and Malcolm M. Campbell pg 3363; DOI: 10.1039/P19900003363 |
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2-(N-Methylanilino)-2-phenylthioacetonitrile: a useful reagent for preparation of conjugated -amino alkenenitriles via tandem alkylation and dehydrosulphenylation Jim-Min Fang and Chin-Cheng Chen pg 3365; DOI: 10.1039/P19900003365 |
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First X-ray structure determination of a bismuthio ylide: 4,4-dimethyl-2,6-dioxo-1-triphenylbismuthiocyclohexanide Masanori Yasui Takeshi Kikuchi Fujiko Iwasaki Hitomi Suzuki Toshihiro Murafuji and Takuji Ogawa pg 3367; DOI: 10.1039/P19900003367 |
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Corrigenda Julia M. Dickinson John A. Murthy Christipher W. Patterson Nicholas F. Wooster G. J. Hitchings J. M. Vernon Marc Tordeux Catherine Francese Claude Wakselman A. R. H. Kehrli D. A. H. Taylor and M. Niven pg 3369; DOI: 10.1039/P19900003369 |