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issue	13
is Is Part Of of	Mechanism of proton transfer in solution. Factors determining whether the activated complex has an equilibrated environment Self-consistent field study of decaborane(14) Proton nuclear magnetic resonance contact shifts of binuclear oxo-bridged iron(III) porphyrins Novel synthesis of purine .beta.-D-nucleosides via purine 8,5'-S-anhydronucleosides Mechanism of the ring contraction of phenylcarbene to fulvenallene. Carbon-13 labeling study Dimerization of 1,2-cyclohexadiene, a model for nonconcerted allene dimerization. Determination of a secondary deuterium kinetic isotope effect by deuterium nuclear magnetic resonance Isolation and characterization of pure cyclopropenone X-ray crystallographic and solution nuclear magnetic resonance studies of 1,3,5,7-tetrathiocane Hydrogen chloride accelerated thermal decomposition of 2,2'-azoisobutane. Recombination rate of tert-butyl radicals Mechanism of cis-trans isomerization about carbon-carbon double bonds catalyzed by silver(I) Infrared studies of isotope effects for hydrogen adsorption on zinc oxide Magnetic resonance studies of protein-small molecule interactions. Binding of N-trifluoroacetyl-D-(and L-)-p-fluorophenylalanine to .alpha.-chymotrypsin Chemistry of diradicals. III. Calculation of spin correlation effects on the rotational barriers in 1,4 diradicals Hydrocyanation. VI. Application of the new hydrocyanation methods to conjugate hydrocyanation of .alpha.,.beta.-unsaturated ketones, conjugated dienones, and conjugated enamines and to preparation of .alpha.-cyanohydrins Phenylphosphinidene oxide. Thermal decomposition of 2,3-benzo-1,4,5,6,7-pentaphenyl-7-phosphabicyclo[2.2.1]hept-5-ene oxide Electron transfer between sulfur(IV) and tris(1,10-phenanthroline)iron(III) ion in aqueous solution Complete thermodynamic analysis of the ''anomalous order '' of amine basicities in solution Irradiation of triaryl phosphate esters. New photochemical coupling reaction Exo-endo steric impediment in norbornene. Electrocyclic closure in bicyclo[4.2.1]nona-2,4-dienes Monolithium derivatives of acetonitrile and phenylacetonitrile Stereochemistry of sulfur compounds. II. New reactions at chiral sulfur that complete the first monoligostatic stereochemical reaction cycle Solvent effects in organic chemistry. XIV. Complexing of sodium ion by various common solvents as ligands in acetone solutions Masthead Magnetic resonance studies of protein-small molecule interactions. Dynamics of binding between N-trifluoroacetyl-D-tryptophan and .alpha.-chymotrypsin Steric assistance in the solvolysis of 2-alkyl-2-adamantyl p-nitrobenzoates Generation and isomerization of cis, trans, cis-1,3,5-cyclooctatriene at 180.deg. Carbanions. XIII. 1,4 Migration of the p-biphenylyl group. Formation of an intermediate spiro anion Mono-, di-, and trications of hexamethoxytriphenylene. Novel anodic trimerization Total synthesis of (+-)-byssochlamic acid Book Reviews Comparison of diborane molecular properties from minimum basis set and extended Slater orbital wave functions Crystalline-liquid phase transition of lipid model membranes. I. Use of spin labels and optical probes as indicators of the phase transition Substrate distortion in catalysis by lysozyme. Interaction of lysozyme with oligosaccharides containing N-acetylxylosamine Stereochemical course of a gas-phase electrophilic attack at saturated carbon. Reaction of meso-1,2-dichloro-1,2-difluoroethane with gaseous Broensted acids Relative stability and a quantitative approach to the reaction mechanism of the acid-catalyzed hydrolysis of certain 7- and 9-.beta.-D-ribofuranosylpurines Hydrogen-bonded complex formation as evidenced by solvatochromic shifts Oxymercuration of bicyclo[2.2.2]octene. Evidence for a solvated mercurinium ion Energy barrier to racemization in a vicdialkylidenecycloalkane analog. 3,4-Diisopropylidene-8-phenyl-1,6,8-triazabicyclo-[4.3.0]nonane-7,9-dione Syntheses of actinomycin and analogs. VIII. Synthesis of actinomycin D lactam Kinetic preference between equatorial and axial hydrogens in the lithiation of conformationally fixed 1,3-dithianes Electron paramagnetic resonance studies of the effects of solvation on the electron- and cation-transfer reactions in ketyls Crystalline-liquid crystaline phase transition of lipid model membranes. III. Structure of a steroid-lecithin system below and above the lipid-phase transition New synthetic method for ketone methylenation. Reductive elimination of phenylthiomethylcarbinyl esters Nonatetraenyl anions. 6-Vinylcycloheptadienyl-nonatetraenyl anion rearrangement Two syntheses of the 2,4a-ethano-2,3,4,4a-tetrahydroxanthene system Aggregation of meso-substituted water-soluble porphyrins Characterization of a d7 iron system. Tetraphenylporphineiron(I) anion Synthesis and properties of tetraaza[14]tetraene and tetraaza[14]hexane macrocyclic complexes Kinetics of the free-radical chain chlorination of hydrocarbons by tert-butyl hypochlorite Structural consequences of 2,8 bridging of the semibullvalene nucleus Interpretation of linear Hammett constant correlations in substituted ms-tetraphenylporphins Uses of benzvalene in synthesis. Synthesis of tricyclo[2.2.0.02,6]hexane Existence of symmetric transition states for cycloaddition reactions Silicon-29 Fourier transform nuclear magnetic resonance spectroscopy Stereochemically nonrigid six-coordinate molecules. II. Preparations and reactions of tetrakis(organophosphorus)metal dihydride complexes Oxygen-18 tracer studies with the trans-dioxobis(ethylenediamine)rhenium(V) ion ([Re(en)2O2]+) Peri interactions in some 1,8-di-tert-butylnaphthalene compounds. Rotation and flipping of the tert-butyl groups Rate of tert-butyl rotation in 2-tert-butyl 1,3-diheteroatomic rings. Roles of bond angle and bond length in a trend reversal New synthetic reactions. Secoalkylation Phosphonitrilic compounds. XIV. Basic hydrolysis of aryloxy- and spiroarylenedioxycyclophosphazenes Hydrocyanation. V. Kinetics and mechanism of hydrocyanation of .alpha.,.beta.-unsaturated ketones Quantitative relative gas-phase basicities of alkylamines. Correlation with solution basicity Nonlinear broensted relation for general acid-base catalysis of aminolysis reactions Intramolecular photoaddition of ketenes to cyclohexenones Catalysis of .alpha.-hydrogen exchange. XI. Monofunctional catalysis of the dedeuteration of acetone-d6 Hydrocyanation. IV. New hydrocyanation methods using hydrogen cyanide and an alkylaluminum, and an alkylaluminum cyanide Nucleophilic substitution with rearrangement on troponoids. Reaction of 2-(1-azoniabicyclo[2.2.2]oct-1-yl[3,5,7-2H3]-cyclohepta-2,4,6-trien-1-one iodide with piperidine leading to 2-piperidino[4,6-2H2]cyclohepta-2,4,6-trien-1-one via 7,2 addition-elimination Stereoselective synthesis of hydroazulenes from cyclodecadienols Failure sequence in solid-phase peptide synthesis due to the presence of an N-alkylamino acid Epimerization at the 9 position in substituted bicyclo[6.1.0]nona-2,4,6-trienes Total synthesis of (+-)-luciduline Comparison of valence shell and core ionization potentials of alkyl iodides Contribution to the mechanism of the acid-catalyzed hydrolysis of purine nucleosides Methyl substituent effects in protonated aliphatic amines and their radical cations Requirements for general acid-base catalysis of complex reactions Raman circular dichroism. Its observation in .alpha.-phenylethylamine New anionic rearrangements. XVI. 1,2-Anionic rearrangement from sulfur to carbon in benzylthiotrimethylsilane Lateral Diffusion in Spin-Labeled Phosphatidylcholine Multilayers Oxidation of olefins by palladium(II). IV. Effect of palladium(II) chloride concentration on rate in aqueous solution Interpretation of electron spin resonance parameters for transition metal complexes Nuclear magnetic resonance spectroscopy. Carbon-13 chemical shifts of small peptides as a function of pH Magnetic resonance studies of protein-small molecule interactions. Binding of N-trifluoroacetyl-D-(and L-)-tryptophan to .alpha.-chymotrypsin Solvolytic reactivity of 4-tricyclyl, 1-apocamphyl, and 1-methyl-4-tricyclo[2.2.2.02,6]octyl trifluoromethanesulfonates. Observations on the interaction of the face of the cyclopropane ring with electrophiles and on the interpretation of activation parameters for solvolytic reactions Hydrocyanation. VII. Stereochemistry of conjugate hydrocyanation of cyclic .alpha.,.beta.-unsaturated ketones Generation of a stable spiro dihydroaromatic anion Micellar control of the nitrous acid deamination reaction. Unique salt effect on stereochemistry Photochemistry of hexafluoroacetone imine Crystal and molecular structure of [14]annulene Radiation chemistry of nucleic acids. Isolation and characterization of thymine glycols Synthesis and rearrangement of .mu.,.mu.'-SiH2(C2B4H7)2, a bis(carboranyl)silane linked by a silicon atom common to two three-center boron-silicon-boron bonds Synthesis of trans-bicyclo[4.1.0]heptanes Rate-equilibriums relations and proton-transfer reactions Nuclear magnetic resonance studies of aqueous urea solutions Crystalline-liquid crystalline phase transition of lipid model membranes. II. Analysis of electron spin resonance spectra steroid labels incorporated into lipid membranes

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