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Is Part Of	http://hub.abes.fr/acs/periodical/joceah/1992/volume_57
has manifestation of work	http://hub.abes.fr/acs/periodical/joceah/1992/volume_57/issue_1/m/print http://hub.abes.fr/acs/periodical/joceah/1992/volume_57/issue_1/m/web
issue	1
is Is Part Of of	An improved procedure of the Pechmann condensation in the synthesis of 8-ethyltrimethoxy-6H-benzo[d]naphtho[1,2-b]pyran-6-ones structurally related to the aglycon of gilvocarcins Reinvestigation of the reaction of 2,6-di-tert-butylbenzoquinone methide and 2,6-di-tert-butylphenol Regiochemistry of vinyl phosphate/.beta.-keto phosphonate rearrangements in functionalized cyclohexanones and decalones Asymmetric Diels-Alder reactions of carboxylic ester dienophiles promoted by chiral Lewis acids Vinylcyclopentane synthesis via phenylthio radical catalyzed alkenylation of vinylcyclopropanes: preparative and mechanistic studies Gram-scale synthesis of uridine 5'-diphospho-N-acetylglucosamine: comparison of enzymic and chemical routes Threo aryl trifluoromethyl chlorohydrins: synthesis, reactivity, and structure Conformations of oxocane Photoisomerization of 2,2''-ethano-bridged m-terphenyl derivatives: ring constraint activates an unreactive chromophore Nuclear spin-spin coupling via nonbonded interactions. 7. Effects of molecular structure on nitrogen-fluorine coupling The reaction of benzoyl-substituted heterocyclic ketene aminals with aryl azides Further studies on the cyclization of aromatic azomethines ortho-substituted with a trifluoromethyl group: synthesis of 2,4-di- or 2,3,4-trisubstituted quinolines Medium-sized cyclophanes. 2. Bromination of 8-methoxy[2.2]metacyclophanes Addition of triphenylphosphonium salts to aldehydes. Remarkable counterion effects on phosphorus proton couplings [2 + 1] Cycloaddition of (E)-1-(phenylseleno)-2-(trimethylsilyl)ethene. Novel cyclopropane ring formation by a 1,2-shift of a trimethylsilyl group Cobalt-catalyzed intramolecular homo Diels-Alder reactions Fingerprinting a transition-structure guest by a building-block approach with an incremental series of catalytic hosts. Structural requirements for glyme and .alpha.,.omega.-dimethoxyalkane catalyses in N-methylbutylaminolysis and butylaminolysis of 4-nitrophenyl acetate in chlorobenzene Multiple pathways in the solvolysis of 1-adamantyl fluoroformate Medium-sized cyclophanes. 15. Bromination and Lewis acid catalyzed isomerization of 8,16-diethyl[2.2]metacyclophane The absolute configuration of (R)-(-)-(4-methylcyclohexylidene)acetic acid Pinacol homocoupling of (S)-2-[N-(benzyloxycarbonyl)amino] aldehydes by [V2Cl3(THF)6]2[Zn2Cl6]. Synthesis of C2-symmetric (1S,2R,3R,4S)-1,4-diamino 2,3-diols Synthesis of (-)-borjatriol SN2' addition of cuprates to acyclic vinyloxiranes. Synthesis of tylactone and tylonolide subunits Photooxygenation of 1,4-diaza-1,3-butadienes (.alpha.-diimines): formation of isonitriles Metal-halogen exchange between polybromoanisoles and aliphatic Grignard reagents: a synthesis of cyclopenta[b]benzofurans Synthesis of partially fluorinated analogs of (Z)-5-decenyl acetate: probes for hydrophobic interaction in pheromone reception Artificial redox enzymes. 1. Synthetic strategies Prototropic control of organic photochemistry. Hydrogen bonding effects on the di-.pi.-methane photorearrangement Relatively stable N-benzhydryl- and N-benzyldiarylketene imines and their conversion to cyanodiarylmethanes via an isolable radical Stereoselective alkene synthesis via (.alpha.-chloroalkyl)(dimethyl)phenylsilanes and .alpha.-(dimethyl)phenylsilyl ketones Regioselectivity in intramolecular nucleophilic aromatic substitution. Synthesis of the potent anti HIV-I 8-halo TIBO analogs Kinetics and equilibria of thiol/disulfide interchange reactions of selected biological thiols and related molecules with oxidized glutathione Synthesis and reactions of 1,1-diiododinitroethylene Carbonyl-protected .beta.-lithio aldehydes and ketones via reductive lithiation. A general preparative method for remarkably versatile homoenolate equivalents Novel Dimroth rearrangements of the benzotriazole system: 4-amino-1-(arylsulfonyl)benzotriazoles to 4-[(arylsulfonyl)amino]benzotriazoles Efficient synthesis of trifluoromethyl-substituted 5,6-dihydro-4H-1,2-oxazines by the hetero-Diels-Alder reaction of 1,1,1-trifluoro-2-nitroso-2-propene and electron-rich olefins Stereochemical features of the (2 + 2) cycloaddition reactions of chiral allenes. 3. The cycloaddition of enantioenriched 1,3-dimethylallene with the symmetrically 1,1-disubstituted alkenes 1,1-dichloro-2,2-difluoroethene and 1,1-diphenylethene Studies on the synthesis of Strychnos alkaloids. A new entry into the azocino[4,3-b]indole core structure and related studies Ab initio study of the conrotatory ring opening of phospha- and azacyclobutenes. 1. Monophospha- and monoazacyclobutenes Highly selective monoacylation of symmetric diols catalyzed by metal sulfates supported on silica gel Termination of manganese(III)-based oxidative free-radical cyclizations by addition to nitriles. Formation of cyclopentanones and cyclohexanones A simple asymmetric synthesis of 4-arylphenylalanines via palladium-catalyzed cross coupling reaction of arylboronic acids with tyrosine triflate Practical enzyme-based syntheses of uridine 5'-diphosphogalactose and uridine 5'-diphospho-N-acetylgalactosamine on a gram scale Solvolysis of 2-methylene bicyclic bridgehead derivatives: a model for gradual variation of .pi.-conjugation in carbocations .beta.-Trichlorostannyl ketones and aldehydes. Preparation and facile amine-induced dehydrostannation leading to .alpha.-methylene ketones and aldehydes Facile stereoselective synthesis of (23S,25R)-1.alpha.,25-dihydroxyvitamin D3 26,23-lactone, a major metabolite of 1.alpha.,25-dihydroxyvitamin D3 Phosphonate analogs of chorismic acid: synthesis and evaluation as mechanism-based inactivators of chorismate mutase Use of 2,3-bis(phenylsulfonyl)-1-propene as a multicoupling reagent Synthesis of p-chlorophenols (and -naphthols) from the thermal rearrangement of 4-chlorocyclobutenones Absolute stereochemistry of exogonic acid Reaction of chiral cyclopropyl halides with samarium diiodide Chromium(VI) oxidation of tertiary unsaturated alcohols. Oxidative fragmentation of 2-substituted bicyclo[2.2.1]hept-5-en-2-ols Boron trifluoride promoted aldol reaction of silyl ketene acetals with the intermediate generated by the DIBALH reduction of carboxylic acid esters Efficient synthesis of vinyl ethers of spiroquinol ketals and their high-yield photochemical oxygen-to-carbon [1,3]-shift to spiro-fused 2,5-cyclohexadienones A highly selective thioselenation of olefins using disulfide-diselenide mixed system Incipient nucleophilic attack as a probe for the electronic structure of diazonium ions. An analysis of neighboring-group interactions in .beta.-(carboxyvinyl)diazonium ions Photochemistry of benzylidene-d,l-piperitones in solution and the melt phase Radarins A-D: new antiinsectan and cytotoxic indole diterpenoids from the sclerotia of Aspergillus sulphureus 3-Vinylcoumarins and 3-vinylchromenes as dienes. Application to the synthesis of 3,4-fused coumarins and chromenes Differences in reactivity of stabilized carbanions with haloarenes in the initiation and propagation steps of the SRN1 mechanism in DMSO New reactions of potassium naphthalenide with .beta.-, .gamma.- and .delta.-lactones: an efficient route to .alpha.-alkyl .gamma.- and .delta.-lactones and .alpha.,.beta.-unsaturated carboxylic acid esters Hypochlorite-induced substitution of chlorine for bromine in aromatic compounds Ring-opening reactions of .alpha.-stannyl epoxides with metal hydrides and organocuprates Active-site mutagenesis of E. coli alkaline phosphatase: replacement of serine-102 with nonnucleophilic amino acids Synthesis of (+)-obafluorin, a .beta.-lactone antibiotic Synthesis of trioxatricornan and derivatives. Useful keystones for the construction of rigid molecular cavities Conformational mimicry. 3. Synthesis and incorporation of 1,5-disubstituted tetrazole dipeptide analogs into peptides with preservation of chiral integrity: bradykinin Metacyclophanes and related compounds. 22. Medium-sized cyclophanes. Preparation and valence tautomerism of 8,16-disubstituted [2.2]metacyclophane-1,9-dienes Reinvestigation of a criticized mechanistic probe study of metal hydride reductions of alkyl halides Synthesis of annulated furanoses by free-radical cyclization of haloalkenes derived from diacetone glucose Recent Reviews Synthesis and properties of 4,4,9,9-tetramethyl[12]paracyclophane-5,6,7,8-tetrone Synthesis of pentasubstituted 3-hydroxy-1,2-dioxolanes Enantiospecific synthesis of (-)-tabtoxinine .beta.-lactam Regiospecific palladium-catalyzed cycloaddition of aziridines and carbodiimides Chemistry of micelles series. 22. Cascade polymers: synthesis and characterization of four-directional spherical dendritic macromolecules based on adamantane Novel preparation of highly electrophilic species for benzenetellurenylation or benzenesulfenylation by nitrobenzenesulfonyl peroxide in combination with ditelluride or disulfide. Application to intramolecular ring closures Regioselective incorporation of CO into enamines by rhodium-catalyzed reaction with a hydrosilane and CO Host-guest complexation. 60. Rigidly hollow hosts that encapsulate small molecules Structural analysis of cis-[n.3.1]bicyclic ketones by x-ray crystallography. Impact of the observed conformational crossover by .pi.-facially diastereoselective nucleophilic additions to this class of ketones and on the stereochemical course of electrophilic reactions involving their methylene analogs

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