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Is Part Of	http://hub.abes.fr/acs/periodical/joceah/1991/volume_56
has manifestation of work	http://hub.abes.fr/acs/periodical/joceah/1991/volume_56/issue_8/m/web http://hub.abes.fr/acs/periodical/joceah/1991/volume_56/issue_8/m/print
issue	8
is Is Part Of of	Asymmetric additions to chiral naphthyloxazolines. An entry into tetracyclic terpene ring systems related to aphidicolin, scopadulcic acid, and kauranes Formation of polysubstituted 1,2,5,6-tetrahydropyridines from the 4+2 cycloaddition reaction of bis(phenylsulfonyl)butadienes with aryl imines On the remarkable propensity for carbon-carbon bond cleavage reactions in the C(8)-C(10) region of FK-506 Magnetic circular dichroism of metallotexaphyrins Synthetic methods and reactions. 157. Reductive alkylation and reduction of tertiary, secondary, and benzylic alcohols with trimethyl-(triethyl-, and triisopropyl)boron/trifluoromethanesulfonic (triflic) acid Homolytic acylation of protonated pyridines and pyrazines with .alpha.-keto acids: the problem of monoacylation Metal-halogen exchange reactions of 1,5-diiodonaphthalene. Synthesis of 1,5-disubstituted naphthalene derivatives A novel concept for regiochemical and stereochemical control in Lewis acid promoted [3 + 4] annulation reactions Synthesis of 1,4-keto esters and 1,4-diketones via palladium-catalyzed acylation of siloxycyclopropanes. Synthetic and mechanistic studies Stereospecific reduction and cross-coupling of .gamma.-monosubstituted allylic chlorides using coordinatively unsaturated palladium catalysts Reaction of epoxides with metaphosphoric acid derivatives Total syntheses of tubotaiwine and 19,20-dihydro-20-epi-akuammicine Heats of reaction of resonance-stabilized carbenium ions with nitrogen bases Stereochemistry of alkylation of .alpha.-lithio piperidines: differing effects of formamidine and urethane activating groups N-phenyl-P,P,P-triarylphospha-.lambda.5-azenes, triarylphosphines, and triarylphosphine oxides. Substituent effects on nitrogen-15, phosphorus-31, and carbon-13 NMR spectra Tandem radical cyclization of acyclic homoallylic xanthates: cyclopentannulated .gamma.-thionolactone and .gamma.-lactones Selective transformations of threo-2,3-dihydroxy esters Nucleophilic substitution at nitrogen and carboxyl carbon of N-aryl-O-pivaloylhydroxylamines in aqueous solution: competition with SN1 solvolysis of model carcinogens Masthead Synthetic approaches to 3'-azido-3'-deoxythymidine and other modified nucleosides Synthesis of proline-valine pseudodipeptide enol lactones, serine protease inhibitors A rule to predict which enantiomer of a secondary alcohol reacts faster in reactions catalyzed by cholesterol esterase, lipase from Pseudomonas cepacia, and lipase from Candida rugosa Perimeter model and magnetic circular dichroism of porphyrin analogs Zwitterionic quaternary ammonium alkoxides: organic strong bases Reaction of perfluoroalkanesulfinates with allyl and propargyl halides. A convenient synthesis of 3-(perfluoroalkyl)prop-1-enes and 3-(perfluoroalkyl)allenes Preparation of anthraquinones from 10-hydroxy-9-anthracenecarbonitriles obtained from a novel aryne annulation reaction Carbon-nitrogen bond rotational barriers in ferrocenecarboxamides Chemical synthesis of stereospecifically labeled pyridoxamine 5'-phosphate tert-Butyloxycarbonyl and benzyloxycarbonyl amino acid fluorides. New, stable rapid-acting acylating agents for peptide synthesis Preparation and structural properties of large-cavity peraza macrocycles containing pyridine, phenanthroline, or piperazine subcyclic units Electrochemical oxidation of proline derivatives: total syntheses of bulgecinine and bulgecin C Synthesis and conformation of dithia[3]metacyclo[3]thiophenophanes and [2]metacyclo[2]thiophenophanes Metabolic transformation of the phytoalexin brassinin by the "blackleg" fungus The synthesis of 2,3,3a,4,5,7a-hexahydro-1H-inden-1-ols by intramolecular Diels-Alder reactions of 1,3,8-nonatrien-5-ols. Dependence of product stereochemistry on the substitution pattern Formation and electrophilic reactions of benzeneselenenyl p-toluenesulfonate. Preparation and properties of addition products with acetylenes Reductive decyanization of .alpha.-amino nitriles by borane Regioselective, palladium-catalyzed hetero- and carboannulation of 1,2-dienes using functionally substituted aryl halides [(9-Fluorenylmethyl)oxy]carbonyl (Fmoc) amino acid chlorides in solid-phase peptide synthesis Nature of the reactions involving 4-haloisoquinolines and amide ion in ammonia. Remarkable competition between SRN1 substitution and .sigma. complex formation Revised structure of bryostatin 3 and isolation of the bryostatin 3 26-ketone from Bugula neritina Prostaglandin 1,15-lactones of the F series from the nudibranch mollusk Tethys fimbria A tabtoxinine-related metabolite from Pseudomonas syringae pv. tabaci Stereoselective syntheses of substituted .gamma.-lactams from 3-alkenamides The stereochemical requirement in the fragmentation of 9-bromocamphor derivatives. A new class of chiral pool elements containing asymmetric quaternary carbon centers Regiospecific and highly stereoselective electrophilic addition to furanoid glycals: synthesis of phosphonate nucleotide analogs with potent activity against HIV Direct prediction of linear free energy substituent effects from 3D structures using comparative molecular field analysis. 1. Electronic effects of substituted benzoic acids Use of N,N'-dimethoxy-N,N'-dimethylurea as a carbonyl dication equivalent in organometallic addition reactions. Synthesis of unsymmetrical ketones A relationship between experimentally determined pKas and molecular surface ionization energies for some azines and azoles Stereocontrolled epoxidations of cycloheptene derivatives in the palladium-catalyzed route to tropane alkaloids. Total syntheses of scopine and pseudoscopine Structural requirements for glyme catalysis in butylaminolysis of aryl acetates in chlorobenzene. Identification of -OCH2CH2OCH2CH2OCH2CH2O- as the optimal subunit for catalysis A systematic study of benzyl cation initiated cyclization reactions The reaction of alkynes and formic acid 1,2,3-Triazoles from (Z)-.beta.-(formyloxy)vinyl azides and triethyl phosphite Photochemistry of large-ring 2-phenylcycloalkanones in various environments. Intramolecular para-coupling products of acyl benzyl biradicals Direct conversion of N-alkoxy .beta.-lactams to carbapenams: application to the synthesis of the bicyclic PS-5 keto ester Synthesis of .beta.-resorcylic macrolides via organopalladium chemistry. Application to the total synthesis of (S)-zearalenone Synthesis of (.+-.)-aspidospermidine Effects of temperature on atom transfer cyclization reactions of allylic .alpha.-iodo esters and amides Highly diastereoselective Michael addition of lithiated camphor imines of glycine esters to .alpha.,.beta.-unsaturated esters. Synthesis of optically pure 5-oxo-2,4-pyrrolidinedicarboxylates of unnatural stereochemistry An efficient synthesis of 2-methyl-5,6,7,8-tetrahydro-4H-furo[2,3-d]azepines Multiple rearrangements of 1-methoxyfluorenylidene to 1-phenanthrenol A Friedel-Crafts cyclization approach toward cephalotaxine Selective reduction of disulfides by tris(2-carboxyethyl)phosphine Absolute configuration of hydroazulenoid diterpenes based on circular dichroism Synthesis and properties of new .PI.-donor sulfur heterocycles Regioselective synthesis of alkylpyrazines Structure determination of natural epoxycyclopentanes by x-ray crystallography and NMR spectroscopy Stereocontrolled oxazolidinone formation by the addition of 4,5-disubstituted iminodioxolane to oxirane via a spiro compound Cyclialkylation studies. 1. A practical synthetic approach to the 2,3:6,7-dibenzobicyclo[3.2.2]nona-2,6-diene system Unexpected behavior of limonene in the oxidative aminomercuration reaction with HgO/HBF4 and aromatic amines: stereospecific synthesis of 1,2-diamines Synthesis of N-(tert-butyloxycarbonyl)-CBI, CBI, CBI-CDPI1, and CBI-CDPI2: enhanced functional analogs of CC-1065 incorporating the 1,2,9,9a-tetrahydrocyclopropa[c]benz[e]indol-4-one (CBI) left-hand subunit [Erratum to document cited in CA113(23):211667n] Total syntheses of yohimbe alkaloids, with stereoselection for the normal, allo, and 3-epiallo series, based on annelations of 4-methoxy-1,2-dihydropyridones Cycloadditions. 46. Thermally induced intramolecular oxime olefin cycloadditions leading to N-bridgehead systems. Stereochemistry and molecular mechanics calculations

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