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has manifestation of work	http://hub.abes.fr/acs/periodical/jacsat/1993/volume_115/issue_25/m/print http://hub.abes.fr/acs/periodical/jacsat/1993/volume_115/issue_25/m/web
issue	25
is Is Part Of of	Acidity and tautomerism of .beta.-keto esters and amides in aqueous solution Oxidation of methylsilenes with molecular oxygen. A matrix isolation study Enhanced electron transfer for myoglobin in surfactant films on electrodes Molecular mechanics (MM3). Calculations on nitrogen-containing aromatic heterocycles Gas-phase SN2 reactions of chloride ion with alkyl bromides at atmospheric pressure. Temperature dependence of the rate constants and energies of the transition states The first direct evidence for copper(II)-cysteine vibrations in blue copper proteins: resonance Raman spectra of 34S-Cys-labeled azurins reveal correlation of copper-sulfur stretching frequency with metal site geometry Identification of a cyanide binding site in CO dehydrogenase from Clostridium thermoaceticum using EPR and ENDOR spectroscopies Correction.Synthesis and Optical Resolution of Calix[4]arenes with Molecular Asymmetry. Systematic Classificaton of All Possible Chiral Isomers Derivable from Calix[4]arene Interactions of various skeletal intracrystalline components with calcite crystals Highly effective PQQ inhibition by alkynyl and aryl mono- and diiodonium salts Rotational isomers of molybdenum(VI) alkylidene complexes and cis/trans polymer structure: investigations in ring-opening metathesis polymerization Does the basicity of xenon-129 affect its NMR chemical shift? Selective ethylation and vinylation of alkanes via polyoxotungstate photocatalyzed radical addition reactions An aromatic amino acid is required at position 65 in Anabaena ferredoxin for rapid electron transfer to ferredoxin:NADP+ reductase Charge recombination reactions in photoexcited fullerene C60-amine complexes studied by picosecond pump probe spectroscopy Chemistry of molybdenaoxaziridines. A study of oxo(N-phenylhydroxylamido-O,N)-(pyridine-2,6-dicarboxylato)(hexamethylphosphortriamide)molybdenum(VI) and its catalytic properties Growth and characterization of metal(II) alkanebisphosphonate multilayer thin films on gold surfaces Carbon-13-proton coupling constants in carbocations. 7. Application of the .DELTA.J equation to polycyclic systems including bicyclo[2.2.1]hept-2-yl cations Comprehensive resonance Raman study of photosynthetic reaction centers from Rhodobacter sphaeroides. Implications for pigment structure and pigment-protein interactions Reactions of beryllium atoms with hydrogen. Matrix infrared spectra of novel product molecules Designing conducting polymer-based sensors: selective ionochromic response in crown ether-containing polythiophenes Nitrogen isotope effects on acetylcholinesterase-catalyzed hydrolysis of o-nitroacetanilide CI calculations on didehydrobenzenes predict heats of formation for the meta and para isomers that are substantially higher than previous experimental values Tetramethylene The state of Ti in titanoaluminosilicates isomorphous with zeolite .beta. Direct force measurements between titanium dioxide surfaces Methyl torsion in propene initiates ethylenic hydrogen wagging and twisting Concepts of sterically hindered resonance and buttressing effect: gas-phase acidities of methyl-substituted benzoic acids and basicities of their methyl esters Direct observation of a consecutive two-step electron transfer in some zinc porphyrin-pyromellitimide-quinone triads which undergo the same mode of electron transfers as in the bacterial photosynthetic reaction center Characterization and reactivity of hydrogen trioxide (HOOOH), a reactive intermediate formed in the low-temperature ozonation of 2-ethylanthrahydroquinone Through-shell oxidation and reduction reactions of guests in a hollow container single molecule On "The origin of high enantioselectivity in the dihydroxylation of olefins using osmium tetraoxide and cinchona alkaloid catalysts" Book Reviews Concerted and nonconcerted pathways for thermal conversions of deuterium-labeled cyclohexenes to butadienes and ethylenes Correlation of fluorine-19 chemical shielding and chemical shift nonequivalence Factors governing the efficiency of singlet oxygen production during oxygen quenching of singlet and triplet states of anthracene derivatives in cyclohexane solution The catalytic reduction of hydrazine to ammonia by the MoFe3S4 cubanes and implications regarding the function of nitrogenase. Evidence for direct involvement of the molybdenum atom in substrate reduction The component of "ruthenium red" responsible for inhibition of mitochondrial calcium ion transport. Spectra, electrochemistry, and aquation kinetics. Crystal structure of .mu.-O-[(HCO2)(NH3)4Ru]2Cl3 Characterization of NMR shielding in 7-phosphanorbornenes Bond strengths in first-row-metal carbonyl anions Low-frequency vibrational spectra and ring-puckering potential energy function of 1,3-dioxole. A convincing demonstration of the anomeric effect Cluster chemistry driven by ligand bulk. Significance of the synthesis of nido-1-(.eta.5-C5Me5)Co-2-(.eta.4-C5Me5H)CoB3H8 and its dehydrogenation to nido-2,4-{(.eta.5-C5Me5)Co}2B3H7 New strategies for enantioselective syntheses of 1-alkyl- and 1,4-dialkyl-1,2,3,4-tetrahydroisoquinolines: diastereoselective additions of nucleophiles and electrophiles to isoquinoline mediated by an easily resolved and recycled chiral transition metal auxiliary The origin of infrared marker bands of porphyrin .pi.-cation radicals: infrared assignments for cations of copper(II) complexes of octaethylporphine and tetraphenylporphine Rational designs of multifunctional polymers Potassium cadmium sulfide (K2Cd2S3) vs. calcium sulfide (CdS): can the properties of quantum-sized CdQ semiconductors be emulated by bulk alkali-metal ternary A/Cd/Q phases (Q = chalcogen)? Carbanion hybridization of thiophosphonamide-stabilized anions: remarkable steric and solvation effects Efficient photoinduced charge separation in layered zirconium viologen phosphonate compounds Hydrolytically stable organic triester capped polyoxometalates with catalytic oxygenation activity of formula [RC(CH2O)3V3P2W15O59]6- (R = CH3, NO2, CH2OH) Solid-state electroanalysis of silicotungstic acid single crystals at an ultramicrodisk electrode Concurrent stabilization and imaging of a novel polymer for second harmonic generation via in situ photopolymerization Methylcyclohexane-to-benzene conversion over potassium-promoted platinum(111) Antiferromagnetic coupling in the binuclear metal cluster of manganese-substituted phosphotriesterase Engineered biosynthesis of novel polyketides: manipulation and analysis of an aromatic polyketide synthase with unproven catalytic specificities Decompositions of multiply charged oligonucleotide anions Stepwise solvation enthalpies of protonated water clusters: collision-induced dissociation as an alternative to equilibrium studies Functional group convergency in a binuclear dephosphorylation reagent Design, synthesis, and complexing properties of (1Cys-1'Cys,4Cys-4'Cys)-dithiobis(Ac-L-1Cys-L-Pro-D-Val-L-4Cys-NH2). The first example of a new family of ion-binding peptides A strongly chemiluminescent dioxetanimine dianion fragmentation: reaction of the dicyanoanthracene radical anion with superoxide ion Chemistry of iron oxophlorins. 2. Oxidation of the iron(III) octaethyloxophlorin dimer and observation of stepwise, two-electron oxidation of the oxophlorin macrocycle Electron-transfer reactions with significant inner reorganization energies. Reduction of some fully .alpha.-methylated cycloalkane-1,2-diones The (dimethylamino)methyl radical. A neutralization-reionization and ab initio study Two-dimensional triple-resonance HCNCH experiment for direct correlation of ribose H1' and base H8, H6 protons in 13C,15N-labeled RNA oligonucleotides Simulation of the bimolecular reaction between superoxide and superoxide dismutase: synthesis of the encounter and reaction steps Theoretical studies of the hydration of metaphosphate with one, two, and three molecules of water Highly efficient DNA strand scission by photoactivated chlorobithiazoles Formation of the first organometallic catenane Hydrodesulfurization of dibenzothiophene into biphenyl by tris(triethylphosphine)platinum(0) Electronic structure of the [Fe4Se4]3+ clusters in C. vinosum HiPIP and Ectothiorhodospiza halophila HiPIP II through NMR and EPR studies Adsorption and reactions of tetraethoxysilane (TEOS) on clean and water-dosed titanium dioxide (110) L-Methionine methyl is specifically incorporated into the C-2 and C-7 positions of the porphyrin of cytochrome c3 in a strictly anaerobic bacterium, Desulfovibrio vulgaris Voltammetric and UV to near-IR spectroelectrochemical characterization of the meso, meso'-buta-1,3-diyne-bridged octaethylporphyrin dimers {[M(OEP)](.mu.-C4)[M(OEP)]} (M2 = H4, cobalt2, nickel2, copper2, zinc2, palladium2, platinum2, Co/Ni, and Ni/Zn), in their neutral, mononegative, and dinegative oxidation states Supramolecular photochemistry of crystalline host-guest assemblies: absolute asymmetric photorearrangement of the host component Dynamic molecular recognition in a multifunctional porphyrin and a ubiquinone analog Iron and manganese alkoxide cubes Synthesis and characterization of an asymmetric bridged assembly containing the unsupported [FeIII-O-CuII] bridge: an analog of the binuclear site in oxidized cytochrome c oxidase Theoretical study of the effect of .alpha.-substituents on the silicon-29 hyperfine splitting constant in silyl radicals: an electronic rather than structural effect The oxygen-18 isotope shift in carbon-13 nuclear magnetic resonance spectroscopy. 15. Studies of [18O,1,4-13C2]succinic acid and [18O]dimethylmaleic anhydride Magnetic field effects in adenosylcob(III)alamin photolysis: relevance to B12 enzymes Halide-induced disproportionation of triiron dodecacarbonyl to form the radical anion [Fe3(CO)11].bul.- and its characterization by single-crystal x-ray diffraction Enantiospecific synthesis of all four diastereomers of 2-methyl-3-[(trialkylsilyl)oxy]alkanals: facile preparation of aldols by non-aldol chemistry A micelle that is insensitive to its ionization state. Relevance to the micelle wetness problem Masthead Amidine, amidrazone, and amidoxime derivatives of monosaccharide aldonolactams: synthesis and evaluation as glycosidase inhibitors Theoretical studies of organometallic compounds. 5. Alkyne and vinylidene complexes of molybdenum and tungsten in high-oxidation states. A multiconfigurational SCF and correlation-consistent CI study of the structures, stabilities, and singlet-triplet splittings of o-, m-, and p-benzyne Photorearrangements of acyclic conjugated enynes: a photochemical analog of the Bergman rearrangement An enzyme-modified microelectrode that detects choline injected locally into brain tissue Preparation, characterization, and reactions of novel iron(III) porphyrin dication complexes Molecular mechanics (MM3). Calculations of furan, vinyl ethers, and related compounds Quantum chemical investigation of the structure and stability of all geometric isomers and conformers of all tautomeric forms of thymine Interactions of cholesterol and synthetic sterols with phosphatidylcholines as deduced from infrared CH2 wagging progression intensities Coenzyme B6 as a redox cofactor: a new role for an old coenzyme? Direct elaboration of complex polyquinanes through twofold addition of vinyl anions to squarate esters

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