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type	work Issue
Is Part Of	http://hub.abes.fr/acs/periodical/joceah/1983/volume_48
has manifestation of work	http://hub.abes.fr/acs/periodical/joceah/1983/volume_48/issue_20/m/print http://hub.abes.fr/acs/periodical/joceah/1983/volume_48/issue_20/m/web
issue	20
is Is Part Of of	Synthesis and conformational aspects of cis- and trans-3-carbomethoxy-6-oxabicyclo[3.1.0]hexane Masthead Total synthesis of oleandrose and the avermectin disaccharide, benzyl .alpha.-L-oleandrosyl-.alpha.-L-4-acetoxyoleandroside The sipholanes, a novel group of triterpenes from the marine sponge Siphonochalina siphonella Highly chemoselective reductions with polymethylhydrosiloxane and palladium(0) catalyst Chiral ether glycerides from a marine sponge Preparative reversed-phase flash chromatography, a convenient method for the workup of reaction mixtures Study of substituent effects on one-bond carbon-13-carbon-13 NMR coupling constants in adamantane derivatives. A simple and efficient synthesis of chiral acetic acid of high optical purity Ant-repellent triterpenoids from Cordia alliodora Bis(methoxycarbonyl)sulfur diimide, a convenient reagent for the allylic amination of alkenes Assignment of the high field resonances of a gorgosterol derivative through the use of autocorrelated two-dimensional proton NMR spectroscopy Resolution of chiral alcohols with mandelic acid Efficient method for a one-carbon homologation of aldehydes and benzophenone to carboxylic acids Short synthesis of bicyclo[3.2.2]nona-3,6,8-trien-2-one Practical multigram synthesis for 4(5)-vinylimidazole Application of spin-echo techniques to the determination of 13C labeling using proton NMR spectroscopy Stereoselective reductions of substituted cyclohexyl and cyclopentyl carbon-nitrogen .pi. systems with hydride reagents Stereoselective synthesis of (5E)- and (5Z)-vitamin D3 19-alkanoic acids via vitamin D3-sulfur dioxide adducts An efficient synthesis of 2-methyl-4-hydroxy-2H-1,2-benzothiazine 1,1-dioxides Kinetic resolution of racemic .beta.-hydroxy amines by enantioselective N-oxide formation Reaction of methyl 4-bromocrotonate with lithium ester enolates: direct SN2 displacement vs. Michael-initiated ring closure Temperature dependence of the kinetic isotope effect in the homolytic abstraction of benzylic hydrogen by bromine Structural effects in solvolytic reactions. 44. Effect of increasing electron demand on the carbon-13 NMR shifts in 1-aryl-1-hydroxyethyl carbocations. Deviations in the .sigma.C+-.DELTA..delta.C+ plot for these protonated acetophenones containing strongly electron-withdrawing substituents Synthesis applications of cationic aza-Cope rearrangements. Part 13. Stereoselective synthesis of cis- and trans-3a-aryl-4-oxodecahydrocyclohepta[b]pyrroles Studies directed toward the total synthesis of securinega alkaloids Liquid crystalline solvents as mechanistic probes. 11. The syn .fwdarw. anti thermal isomerization mechanism of some low-bipolarity azobenzenes Cyclic sulfur esters as substrates for nucleophilic substitution. A new synthesis of 2-deoxy-2-fluoro-D-glucose Chiral synthesis of protected 3-amino-4-(alkoxycarbonyl)-2-azetidinones from .beta.-hydroxyaspartic acid Host-guest binding capacity of cucurbituril Studies on the preparation and reactions of tritylsulfenimines Influence of steric effects upon the rate constants for competing BAC2 and E1cB ester hydrolyses Facile syntheses of aldehydes and .beta.-dialdehyde monoacetals Cycloaddition induced by cucurbituril. A case of Pauling principle catalysis Substituent effect on the electrochemical oxidation of arylmethyl anions. 3. Effect of methyl substitution on diarylmethyl anions Chemical and enzymatic syntheses of 6-deoxyhexoses. Conversion to 2,5-dimethyl-4-hydroxy-2,3-dihydrofuran-3-one (Furaneol) and analogs Practical procedure for the isolation of emodin and chrysophanol Onium ions. 27. Oxidation of sulfoxides to sulfones with nitronium salts Stereopopulation control. 9. Rate and equilibrium enhancement in the lactonization of (o-hydroxyphenyl)acetic acids C(12)-Substituted prostaglandins. An enantiospecific total synthesis of (+)-12-fluoromethylprostaglandin F2.alpha. methyl ester Marine toxins of Latrunculia magnifica Improved synthesis of selenophene Reactions of 2-anti-hydroxy-4-aza-5-homoadamantan-5-one Two topologically distinct total syntheses of (.+-.)-sarkomycin Stereospecific 2 + 2 + 2 annulation Hydrolysis, nitrosyl exchange, and synthesis of alkyl nitrites Penicillin-cephalosporin conversion. VIII. Synthesis of 2,3'-bisthio-substituted cephalosporins via electrolytic chlorination of thiazolinoazetidinone Kinetic studies on the formation and decay of some sulfonium radicals Regiospecific electrophilic substitution of aminopyridines: ortho lithiation of 2-, 3-, and 4-(pivaloylamino)pyridines Synthesis of 10-(chloromethyl)benzo[a]pyrene Phthalide annulation: the synthesis of kalafungin, pachybasin and chrysophanol Reaction of 1-nitroso-1,2,3,4-tetrahydropyridine with mineral acids Esterification using a polymer-supported phosphine reagent Synthesis and solution dynamics of agrobactin A Structures and relative energies of silabenzene isomers Identification of configurational isomers of Fluorochloridone Silicon-mediated synthesis of 11-deoxyanthracyclines Synthetic applications of heteroatom-directed photoarylation. Benzo[b]furan ring construction Formation of hydroxy radicals from radical cations of some substituted benzenes in aqueous solutions at 80.degree.C and at room temperature. Effect of oxygen Studies on the development of the tritylsulfenyl group as a nitrogen protecting group and application in a synthesis of .delta.-coniceine Persulfate/silver ion decarboxylation of carboxylic acids. Preparation of alkanes, alkenes, and alcohols Cycloaddition. 30. Synthesis, regiochemistry, and reactions of dichlorocyclobutenones Sterols in marine invertebrates. Part 42. Isolation, partial synthesis and structure determination of sterols with the four possible 23,24-dimethyl-substituted side chains Studies of vitamin D oxidation. 3. Dye-sensitized photooxidation of vitamin D and chemical behavior of vitamin D 6,19-epidioxides Synthesis of di-tert-butyl methylenemalonate, a sterically hindered 1,1-dicarbonyl alkene Initial products in Friedel-Crafts reactions Intramolecular cyclopentene annulation. 3. Synthesis and carbon-13 nuclear magnetic resonance spectroscopy of bicyclic cyclopentene lactones as potential perhydroazulene and/or monoterpene synthons Quantitative removal of a pentadecapeptide ACTH fragment analog from a Merrifield resin using ammonium formate catalytic transfer hydrogenation: synthesis of [Asp25,Ala26,Gly27,Gln30]-ACTH-(25-39)-OH Improved synthesis and absolute configuration of (+)- and (-)-2,2,4-trimethyl-1,3-dioxolane-4-carboxaldehyde Anhydrous tert-butyl hydroperoxide in toluene: the preferred reagent for applications requiring dry TBHP Phosphine- and phosphite-mediated difluorocarbene exchange reactions of (bromodifluoromethyl)phosphonium salts. Evidence for facile dissociation of (difluoromethylene)triphenylphosphorane

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