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Is Part Of	http://hub.abes.fr/acs/periodical/jacsat/1991/volume_113
has manifestation of work	http://hub.abes.fr/acs/periodical/jacsat/1991/volume_113/issue_12/m/print http://hub.abes.fr/acs/periodical/jacsat/1991/volume_113/issue_12/m/web
issue	12
is Is Part Of of	One-step synthesis of hyperbranched dendritic polyesters Uranylpentaphyrin: an actinide complex of an expanded porphyrin A square-planar nickel(III) complex of an innocent ligand system Book Reviews. Keto-enol tautomerization in metal-acyl complexes: the enolization properties of bimetallic .mu.-malonyl compounds Synthesis and characterization of novel p-terphenoquinone analogs involving a central dihydrothiophenediylidene structure Proton affinity ladders from variable-temperature equilibrium measurements. 1. A reevaluation of the upper proton affinity range Gas-phase heteroaromatic substitution. 12. Reaction of free trifluoromethyl cation with simple five-membered heteroarenes in the gas phase Direct formation of functionalized and allylic organocopper reagents derived from a cuprous cyanide lithium bromide complex The dynemicin-DNA intercalation complex: a model based on DNA affinity cleavage and molecular dynamics simulation Strong hydrogen bonding in gas-phase ions. A high-pressure mass spectrometric study of the proton affinity, proton transfer kinetics, and hydrogen-bonding capability of iron pentacarbonyl Novel method for NMR spectral correlation between the native and the denatured states of a protein. Application to ribonuclease A Ab initio studies on silicon compounds. 3. The trans-gauche mixed structure of parent polysilane Microscopic calculations of solvent effects on absorption spectra of conjugated molecules Studies on the use of chromium dichlorate for the reductive activation of Mitomycin C Investigation of intramolecular interactions in n-alkanes. Cooperative energy increments associated with GG and GTG' [G = gauche, T = trans] sequences Selective recognition and coordination by the [RhIII(tris(aminoethyl)amine)(H2O)2]3+ cation of the adenine nucleobase only when it is a constituent of a 5'-nucleotide Enzyme-catalyzed synthesis of sialyl oligosaccharide with in situ regeneration of CMP-sialic acid Mechanisms for the uncatalyzed and hydrogen ion catalyzed reactions of a simple quinone methide with solvent and halide ions Formation of a copper-dioxygen complex (Cu2-O2) using simple imidazole ligands Intramolecular motions of a zinc finger DNA-binding domain from Xfin characterized by proton-detected natural abundance carbon-13 heteronuclear NMR spectroscopy Pronounced stereochemical nonrigidity of several five- and eight-coordinate complexes and microwave dielectric relaxation Use of hydrogen bonds to control molecular aggregation. Self-assembly of three-dimensional networks with large chambers General method for determining kinetic isotope effects that utilizes isotopically engendered chirality Masthead Generation of possible crystal structures from molecular structure for low-polarity organic compounds Novel imido- and phosphorane-imido-nickel(II) complexes. Crystal and molecular structure of (.mu.3-NH)(.mu.3-NPMe3)(NiClPMe3)3 Conformational change of cholesterol side chain in lipid bilayers Effect of substituents on the gas-phase acidity of silanols Bond alternation and unpaired spin distributions in the radical anions of cyclooctatetraene and monosubstituted derivatives. An ab initio study Metallacyclohexadiene and metallabenzene chemistry. 5. Chemical reactivity of metallabenzene Inhibition of carbonic anhydrase Preparation and chemistry of PhI+C.tplbond.CI+Ph.cntdot.2-OTf, bis[phenyl[[(trifluoromethyl)sulfonyl]oxy]iodo]acetylene, a novel difunctional acetylene, bis(iodonium) species and a stable C2-transfer agent Chemoenzymic synthesis of optically active (meth)acrylic polymers Construction of glycosidic N-O linkages in oligosaccharides Face-specific interactions of anionic sulfur donors with oriented crystals of (0001) CdX (X = selenium, sulfur) and correlation with electrochemical properties Dynamics of reaction of [5,10,15,20-tetrakis(2,6-dimethyl-3-sulfonatophenyl)porphinato]iron(III) hydrate with tert-butyl hydroperoxide in aqueous solution. 3. Comparison of refined kinetic parameters and D2O solvent isotope effects to those for [5,10,15,20-tetrakis(2,6-dichloro-3-sulfonatophenyl)porphinato]iron(III) hydrate and iron(III) hydrate Enhanced transport of nucleosides and nucleoside analogs with complementary base-pairing agents Conformational analysis of the nitrogen-oxygen bond in the calicheamicin oligosaccharide Conformation of a cyclic heptapeptide in solution: an NMR constrained distance geometry search procedure Remote control of stereogenicity transfer by ring-generated anisotropic orbital overlap. Stereochemistry of hydrogen shift in the intramolecular reverse ene reaction of a cis-2-alkyl-1-alkenylcyclopropane A route to optically pure (-)-huperzine A; molecular modeling and in vitro pharmacology Isolation of a new series of seven-coordinate hydride compounds of tantalum(V) and their involvement in the catalytic hydrogenation of arene rings Gas-phase reactions of silyl cation (2P) with small hydrocarbon molecules: formation of silicon-carbon bonds Molecular mechanics (MM3) calculations on aldehydes and ketones Nitrous acid cross-links duplex DNA fragments through deoxyguanosine residues at the sequence 5'-CG Varacin: a novel benzopentathiepin from Lissoclinum vareau that is cytotoxic toward a human colon tumor Central and lateral bicyclo[1.1.0]butane bond cleavage with subsequent Wagner-Meerwein rearrangements or carbene formation in the 185-nm photolysis of tricyclo[3.1.0.02,6]hexane, tricyclo[4.1.0.02,7]heptane, and tricyclo[5.1.0.02,8]octane Qhiral pathways in the thermal rearrangement of 3,7-dimethylene-1-ethyltricyclo[4.1.02,4]heptane to 2,5-dimethylene-3-ethylbicyclo[4.1.0]hept-3-ene. Decyclization of a pair of 2,2'-linked methylenecyclopropanes avoids a symmetrical 2,5-dimethylenecyclohept-3-ene-1,6-diyl biradical intermediate The structure and remarkable stability of a per-pyridinium substituted allyl radical Steric course of the reduction of ethyl coenzyme M to ethane catalyzed by methyl coenzyme M reductase from Methanosarcina barkeri The anomalous hydrophilic character of proline Supersonic jet studies of benzyl alcohols: minimum energy conformations and torsional motion Surface-induced heterocycle formation: sulfur-atom abstraction during cyclization Low-temperature crystal structure of superoxocobalamin obtained by solid-state oxygenation of the B12 derivative cob(II)alamin One-electron reduction of N-bromosuccinimide. Rapid expulsion of a bromine atom Proton-proton Overhauser effects of receptor-bound cyclosporin A observed with the use of a heteronuclear-resolved half-filter experiment Molecular recognition of bivalent sialosides by influenza virus A free energy perturbation study of solvation in hydrazine and carbon tetrachloride A consensus zinc finger peptide: design, high-affinity metal binding, a pH-dependent structure, and a His to Cys sequence variant Gas-phase heteroaromatic substitution. 13. A quantitative application of the curve-crossing reactivity model to heteroaromatic substitution Trinuclear, oxo-centered mixed-valence iron complex with unprecedented carboxylate coordination: [Fe3O(O2CCH3)6(TACN)].cntdot.2CHCl3 Synthesis of 3,4-disubstituted indoles via a sequential olefin-insertion/ene route Conformations and electronic structures of poly(ketene) and related conjugated polymers: reduction of the n-.pi.* band gap Octalactins A and B: cytotoxic eight-membered-ring lactones from a marine bacterium, Streptomyces sp Conformations of cyclic heptapeptides: crystal structure and computational studies of evolidine Two factors in thermal cis-trans rearrangement of pentaenes: configuration in (E,E)-octahydro-2,2'(3H,3'H)-binaphthylidene and extensivity in 2,2'- and 3,3'-bicholestadienylidenes Stereochemistry and mechanism of the reverse ene reaction of cis-2-alkyl-1-alkenylcyclobutanes. Stereoelectronic control in a system showing marginal energetic benefit of concert Preparation, characterization, and intramolecular electron transfer in pentaammineruthenium histidine-26 cytochrome b5 derivatives: role of the intervening medium in long-range donor-acceptor electronic coupling Electrochemistry and the dependence of potentials on pH of iron and manganese tetraphenylporphyrins in aqueous solution Characterization of protonated cytidine in oligonucleotides by nitrogen-15 NMR studies at natural abundance Investigations of the biosynthesis of trans-(+)-S-1-propenyl-L-cysteine sulfoxide. Elucidation of the stereochemistry of the oxidative decarboxylation process

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