JOURNALOFTHE CHEMICAL SOCIETYPERKIN TRANSACTIONS IOrganic and Bio-organic ChemistryPart II, pp. 1037-1992LONDON: THE CHEMICAL SOCIETY1976COPY RIGHT RESERVEPrinted in Great Britain byRichard CZay (The Chaucer Press), Ltd.,Bungay, SuflolJCPRB4(10) 1037-1160(1976)JOURNALOFTHE CHEMICAL SOCIETYPERKIN TRANSACTIONS IOrganic and Bio-organic ChemistryCONTENTSPAGEIntramolecular catalysis. Part 111.By YORAM HOUMINER . . 1037Ring c functionalised diterpenoids. Part VII. Formolysis of (16S)-e.nt-12a-~-tolylsulphonyloxykauraneBy ALAN J. MCALEES, ROBERT MCCRINDLE, and SHANE T. MURPHY . . 1042Chemistry of tetra-alkoxyethenes. Part V. Thermal cycloadditions with carbonyl compoundsBy PIETER H. J. OOMS, HANS W. SCHEEREN, and RUTGER J. F. NIVARD .. 1048Studies of enzyme-mediated reactions.By ALAN R. BATTERSBY, JAMES STAUNTON, and MICHAEL C. SUMMERS . . 1052Studies of enzyme-mediated reactions.Effect of a neighbouring hydroxy-group on the opening of steroidalaziridines with azide anions.Part VI. Stereochemical course of the dehydrogenation of stereo-specifically labelled benzylamines by the amine oxidase from pea seedlings (E.C. 1.4.3.6.)Part VII. Stereospecific syntheses of tritium-labelled (2R)- and(2s)-dopamines : stereochemical course of hydroxylation of dopamine by dopamine p-hydroxylase (E.C.1.14.17 .l)By ALAN R. BATTERSBY, PETER W. SHELDRAKE, JAMES STAUNTON, and D. CLIVE WILLIAMSReaction of some azetidin-ones with secondary aminesBy DEREK JOHNSON and HANS SUSCHITZKY , .1062Synthesis of 18-substituted steroids. Part 111. Reactions of 18-substituted pregnan-20-onesBy DAVID N. KIRK and MARUTHIANDAN S. RAJAGOPALAN . . 1064Polyhalogenoheterocyclic compounds. Part XXIX. Perchloro-acridine, -phenanthridine, and -benzojh-By RICHARD. CHAMBERS, RICHARDANIELS, W. KENNETH R. MUSGRAVE, and PETER L. RUSSELL.Heterocyclic synthesis from o-halogeno-acids.By DONALD E. AMES and ODARTEY RIBEIRO . . 1073Mass spectral studies on aminocyclitol-aminoglycoside antibioticsBy PETER J. L. DANIELS, ALAN K. MALLAMS, JAY WEINSTEIN, JOHN J. WRIGHT, and GEORGE W. A. MILNE 1078Semisynthetic aminoglycoside antibacterials. Part I. Preparation of selectively protected garamineBy MAX KUGELMAN, ALAN K. MALLAMS, H. FREDERICK VERNAY, DAVID F.CROWE, and MASATO TANABE .Semisynthetic aminoglycoside antibacterials. Part 11. Synthesis of gentamicin X, and related compoundsBy MAX KUGELMAN, ALAN K. MALLAMS, H. FREDERICK VERNAY, DAVID F. CROWE, GEORGE DETRE, MASATO. . 1056quinoline. 1069Part 111. Synthesis of 2-methylindole-4-carboxylic acid andrelated compounds and of some derivatives of 3-phenylisoquinolin-l(2H)-onederivatives1088TANABE, and DENNIS M. YASUDA . . 1097ii ContentsPAGESemisynthetic aminoglycoside antibacterials.By MAX KUGELMAN, ALAN K. MALLAMS, and H. FREDERICK VERNAY . . 1113Semisynthetic aminoglycoside antibacterials. Part IV.By MAX KUGELMAN, ALAN K. MALLAMS, and H. FREDERICK VERNAY . . 1126Semisynthetic aminoglycoside antibacterials. Part V. Synthesis of pentosyl and related derivatives ofBy ALAN K. MALLAMS, SURINDERJIT s. SALUJA, DAVID F. CROWE, GEORGE DETRE, JIASATO TANABE, andPart 111. Synthesis of analogues of gentamicin X, modifiedat the 3rsquo;-positionSynthesis of antibiotic JI-20A, gentamicin B, andrelated compoundsgar am i n eDENNIS M. YASUDA . . 1135Reactions of enamino-ketones. Part 11. Synthesis of 4H-1,4-benzothiazinesBy SEIJI MIYANO, NOBUHIRO ABE, KUNIHIRO SUMOTO, and KEISUKE TERAMOTO . . 1146Preparation and reactions of cis-l,4-diphthaloyltetra-az-2-eneBy DAVID W. JONES . . 1150Chemistry of GH-pyrido4,3-bcarbazoles. Part V. A simple synthesis of ellipticinesBy MALCOLM SAINSBURY and RAYMOND F. SCHINAZI . . 115
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