About: http://hub.abes.fr/acs/periodical/joceah/1993/volume_58/issue_8/w

Documentation

scienceplus.abes.fr version Bêta

scienceplus.abes.fr | explorer

À propos de : http://hub.abes.fr/acs/periodical/joceah/1993/volume_58/issue_8/w Goto Sponge NotDistinct Permalink

Attributs	Valeurs
type	work Issue
Is Part Of	http://hub.abes.fr/acs/periodical/joceah/1993/volume_58
has manifestation of work	http://hub.abes.fr/acs/periodical/joceah/1993/volume_58/issue_8/m/print http://hub.abes.fr/acs/periodical/joceah/1993/volume_58/issue_8/m/web
issue	8
is Is Part Of of	Spirodienone route for aminodehydroxylation: monoaminotrihydroxy-p-tert-butylcalix[4]arene Inter- versus intramolecular cyclobutadiene complex formation in the reaction of 1,6-cyclodecadiyne derivatives with (.eta.5-Me5C5)Co(C2H4)2 Cycloaddition of (phenylsulfonyl)-1,2-propadienes with diazomethane. Novel rearrangement reactions of the resulting cycloadducts Conjugate-addition reactions of .alpha.-sulfinyl ketimine anions with a methyl .alpha.-amidoacrylate. Concise asymmetric total syntheses of (-)-slaframine and (-)-6-epislaframine Characterization of a triazine (2-[(3-amino-1,2,4-triazin-5-yl)methylene]hydrazinecarboximideamide) formed from glucose and aminoguanidine under oxidative conditions Palladium(II)-promoted cross-coupling of 4-alkenyl-2-azetidinones with organomercurials Synthesis of a 39-peptide and a 25-peptide by thiol capture ligations: observation of a 40-fold rate acceleration of the intramolecular O,N-acyl-transfer reaction between peptide fragments bearing only cysteine protective groups Mercuric iodide as an exceptionally mild catalyst for the condensations of silyl ketene acetals with electrophiles 4.pi. Participation of 1-aza-1,3-butadienes in [4 + 2] cycloaddition reactions: intramolecular Diels-Alder reactions of .alpha.,.beta.-unsaturated N-sulfonylimines Reversible formation of bromonium ions. Preferential reaction of Br- on the Br+ of the bromonium ion produced from the solvolysis of trans-2-bromocyclohexyl triflate in methanol or acetic acid containing added bromide A remarkably simple route to versatile difluoromethylated molecules Synthesis and hydrolysis kinetics of 1-O-[p-(N,N,N-trimethylammonio)phenyl]-.beta.-D-ribofuranoside Electron-transfer rate determinations: facile electron transfer from 1,1,2,2-tetrakis(4-methoxyphenyl)ethanediol The conversion of secondary into tertiary amides using benzotriazole methodology The synthesis of oligonucleotide-polyamide conjugate molecules suitable as PCR primers Reduction of 2-substituted 3-oxoglutarates mediated by baker's yeast. Variation in enantioselectivity without corresponding variation in diastereoselectivity Carbon acidity. 85. Ion pair acidities of 9,9'-bifluorenyl in THF: pK2 is lower than pK1 Improved synthesis of 24-epibrassinolide from ergosterol 1,2- and 1,3-Monoazabisylides as novel synthons Reactions of ferrocene and acetylferrocene with carbon-centered free radicals Syntheses and properties of 5-substituted [n](2,4)pyridinophanes, model compounds of NAD(P) Studies on the synthesis of kijanolide: synthesis of the 2-acyl spirotetronate and investigations concerning the coupling of the top and bottom half fragments Synthesis and crystal structure of a peptidomimetic containing the (R)-4.4-spiro lactam type-II .beta.-turn mimic Asymmetric dihydroxylation of olefins with a simple chiral ligand Electronic structure of benzo[3,4]cyclobuta[1,2]cycloheptenyl ions: the aromaticity-tropicity dilemma Acid-mediated reaction of bis(pyridine)iodonium(I) tetrafluoroborate with aromatic compounds. A selective and general iodination method Biocatalytic production of glyoxylic acid A synthetic approach to 3-substituted cephalosporins: carbon-carbon bond formation at C(3) of the cephem via organocuprate chemistry Synthesis of 4-(1-propynyl)-1-(5-hexene-1,3-diynyl)-1,3-cyclohexadiene and 4-(1-propynyl)-1-(4-(trimethylsilyl)-1,3-butadiynyl)-1,3-cyclohexadiene Synthesis of the first .alpha.-linked quaterpyrrole Structure of the cyclopropane cation radical and its energy barrier to pseudorotation Electron-transfer photochemistry of thianthrene. Nucleophile-assisted photooxidation to sulfoxide A stereocontrolled alkylation of chiral pyridinium salts with Grignard reagents: synthesis of (+)-normetazocine and (+)-nordextrorphan Cycloaddition routes to tricyclo[5.4.01,7.02,9]undecanes: a direct total synthesis of (+)-longifolene via an intramolecular Diels-Alder strategy NADV: a new cofactor for alcohol dehydrogenase from Thermoanaerobium brockii Enantioselective synthesis of .beta.-amino acids. 4. 1,2 Asymmetric induction in the alkylation of 1-benzoyl-3,6(S)-dimethylperhydropyrimidin-4-one. Preparation of the like and unlike stereoisomers of 2-methyl- and 2-benzyl-3(S)-aminobutanoic acid A bridged tetrahydrophosphole ylide derived from 9-phenylphosphabicyclo[4.2.1]nonane: a reagent for E-selective Wittig reactions Aryl radical cyclizations onto enamine double bonds A highly diastereo- and enantioselective synthesis of the top half of kijanolide Enantiocontrolled synthesis of burseran, brassilignan, dehydroxycubebin, and other tetrahydrofuran lignans in both enantiomeric forms. Application of intermolecular nitrile oxide cycloadditions and lipase-mediated kinetic resolutions Cleavage of unsaturated .alpha.-ketols to .omega.-oxo-.alpha.,.beta.-unsaturated acids A short stereocontrolled synthesis of hydroxyethylene dipeptide isosteres Palladium-catalyzed cross-coupling reaction of organoboron compounds with organic triflates Thermal fragmentation reactions of dihydroaromatic molecules Synthesis of lithio-F-adamantanes: the first documented fluorine-19 NMR spectrum of a perfluoroalkyllithium and the rearrangement of 2-lithio-F-adamantane to 1-lithio-F-adamantane Mixed anhydrides: physical properties influenced by molecular structure New highly regioselective reactions of unprotected sucrose. Synthesis of 2-O-acylsucroses and 2-O-(N-alkylcarbamoyl)sucroses An effective synthesis of N-(9-fluorenylmethyloxycarbonyl) .alpha.-amino aldehydes from S-benzyl thioesters Diels-Alder reaction of 2-cyano-1-azadienes. The effect of nitrogen substituents Strong inhibition of cis-trans isomerization of azo compounds by hydroxide ion Synthesis of the 60 amino acid homeo domain and smaller fragments of the Drosophila gene regulatory protein Antennapedia by a segment synthesis-condensation approach Masthead Synthesis of bridgehead-substituted bicyclo[2.2.1]heptanes by radical cyclization Syntheses of exo-3,8-dioxatricyclo[3.2.1.02,4]octane and 4,7-dioxatricyclo[3.2.1.03,6]octane and the relative basicities of their ethereal moieties Efficient synthesis of alkoxyanthraquinones from fluoroanthraquinones and their preliminary electrochemistry Selective urea transport by macrocyclic carriers through a supported liquid membrane Stereoselective intramolecular radical addition of polyhaloacetyl functions to 2-oxazolones. A facile synthesis of statine and its 2,2,-dichloro and 2,2-difluoro analogs Unusual oxidation of 1-halo-1,3-dienes with parmanganate. Expedient syntheses of (+)-D-chiro-3-inosose and (+)-D-chiro-inositol from chlorobenzene Theoretical study of conformational features of NAD+ and NADH analogs: protonated nicotinamide and 1,4-dihydronicotinamide The triazene moiety as a protecting group for aromatic amines Intrinsic reactivity of sulfur esters: site selectivity by anions with dimethyl sulfate and methyl methanesulfonate Total synthesis of natural gingerols, the three active principles of ginger Phosphonates as mimics of phosphate biomolecules: ab initio calculations on tetrahedral ground states and pentacoordinate intermediates for phosphoryl transfer Acid-catalyzed decomposition of 1-alkyltriazolines: a mechanistic study Reactivity of tricarbonyl(pentadienyl)iron(1+) cations: enantioselective synthesis of 5-HETE methyl ester Chemical synthesis and characterization of duplex DNA containing a new base pair: a nondisruptive, benzofused pyrimidine analog

Alternative Linked Data Documents: ODE Content Formats:

RDF

ODATA

Microdata