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Is Part Of	http://hub.abes.fr/acs/periodical/jacsat/1988/volume_110
has manifestation of work	http://hub.abes.fr/acs/periodical/jacsat/1988/volume_110/issue_18/m/print http://hub.abes.fr/acs/periodical/jacsat/1988/volume_110/issue_18/m/web
issue	18
is Is Part Of of	Is bound carbonyl linear or bent in heme proteins? Evidence from resonance Raman and infrared spectroscopic data The tunichromes. A class of reducing blood pigments from sea squirts: isolation, structures, and vanadium chemistry Syndiospecific propylene polymerizations with Group IVB metallocenes A single-crystal ESR study on radicals derived from rac- and meso-1,2-dimethyl-1,2-diphenyldiphosphine disulfide: stereochemical selection in radical formation Ground spin state variability in [Fe4S4(SR)4]3-. Synthetic analogs of the reduced clusters in ferredoxins and other iron-sulfur proteins: cases of extreme sensitivity of electronic state and structure to extrinsic factors Divergent kinetic and thermodynamic acidity in organotransition-metal hydride complexes: synthesis, structure, and reactivity of the rhenium anion of Li+ [(.eta.-C5H5)Re(NO)(PPh3)]- Permethylmanganates. Synthesis and characterization of divalent [MnMe42-], trivalent [MnMe52-], and tetravalent [MnMe62-] Highly sensitive flash photolysis with optical waveguides: photodeposition of silver onto particulate TiO2 from solution Optically active 2-ethenyl-1,3-dioxolanones as 3-carbon synthons. Allylnickel derivatives as homoenolate equivalents A symmetry-based procedure for the determination of molecular geometry changes following electronic excitation. 1. Outline of the qualitative method Zigzag collapse of four-membered rings generated by additions of halonium ions to cyclopropanes Ligand field transitions and the origin of zero field splitting in [PPh4][FeCl4] and [NEt4][Fe(SR)4] (R = 2,3,5,6-Me4C6H): a model for the high-spin Fe(III) site in rubredoxin Resonance Raman studies of dioxygen adducts of cobalt-substituted heme proteins and model compounds. Vibrationally coupled dioxygen and the issues of multiple structures and distal side hydrogen bonding Structures of lithium salts of 2,3,3-trimethylindolenine and its 5-methoxy derivative in solution and the solid state Preparation, electrochemical oxidation, and XPS studies of unsymmetrical ruthenocenes bearing the pentamethylcyclopentadienyl ligand Kinetic solvation pressure: a measure of environmental effects on reaction rates. 1. Application to hydrophobic systems Effect of heme orientation on the reduction potential of cytochrome b5 Enantioselective ring cleavage of meso-epoxides with B-halodiisopinocampheylboranes Computer Software Reviews Molecular recognition in aqueous media. Conformationally restricted water-soluble cyclophanes derived from 6H,12H-5,11-methanodibenzo[b,f][1,5]diazocine Conformational analysis of lipophilic antifolates: crystal structure of piritrexim and a theoretical evaluation of its binding to dihydrofolate reductase Facile cleavage of C-H bonds. Reaction of trimethylaluminum with bis(diphenylphosphinoyl)methane. Synthesis and molecular structure of [Al(CH3)][(C6H5)2P(O)CP(O)(C6H5)2]2[Al(CH3)2]2 Masthead Acyloxyborane: an activating device for carboxylic acids Comparative molecular field analysis (CoMFA). 1. Effect of shape on binding of steroids to carrier proteins Synthesis, structure, and reactions of chiral rhenium vinylidene and acetylide complexes of the formula [(.eta.5-C5H5)Re(NO)(PPh3)(X)]n+. Vinylidene complexes that are formed by stereospecific C.beta. electrophilic attack, exist as two Re=C=C geometric isomers, and undergo stereospecific C.alpha. nucleophilic attack The x-ray structure of flavohemoglobin. A semisynthetic hydroxylase Infrared, resonance Raman, and excitation profile studies of Os2(O2CCH3)4Cl2 and Os2(O2CCD3)4Cl2. The assignment of the osmium-osmium stretching vibration for a complex involving an osmium-osmium multiple bond Excess free energy of liquids from molecular dynamics simulations. Application to water models Thiamin diphosphate catalysis. Mechanistic divergence as a probe of substrate activation of pyruvate decarboxylase Ring enlargement of boracyclanes via sequential one carbon homologation. The first synthesis of boracyclanes in the strained medium ring range Iron(I)-induced demethanation of tert-butyl-substituted nitriles in the gas phase. A case of remote functionalization of carbon-carbon bonds Pseudorotation in pentacoordinated phosphorus compounds. The influence of the conformational transmission effect on the barriers to pseudorotation in cyclic alkoxyphosphoranes Observation of a local minimum on the S1 surface of cis-stilbene solvated in inert gas clusters Directed Arbuzov-type reactions of 2-cyano-1,1-dimethylethyl deoxynucleoside phosphites IR flash kinetic spectroscopy of transients generated by irradiation of cyclopentadienylcobalt dicarbonyl in the gas phase and in solution Hole delocalization in oxidized cerium(IV) porphyrin sandwich complexes Comparison of free energy changes for nitrogen inversion and electron loss. 2. 8-Azabicyclo[3.2.1]octyl and 7-azabicyclo[2.2.1]heptyl systems Biomimetic syntheses of pretetramides. 2. A synthetic route based on a preformed D ring Stereocontrolled construction of an ingenol prototype having a complete array of oxygenated and unsaturated centers Nonequilibrated multiple luminescence from CpRe(CO)2(4-Phpy) in 293 K solution Novel synthesis of tetrahydrofurans via a synthetic equivalent to a carbonyl ylide Mechanistic studies of alkene epoxidation catalyzed by nickel(II) cyclam complexes. Oxygen-18 labeling and substituent effects Calixarenes. 22. Synthesis, properties, and metal complexation of aminocalixarenes Bis(.mu.-acetato)(.mu.-oxo)-bis(tris(pyridine)ruthenium(III)) ion: a ruthenium analog of the hemerythrin active center Principal component self-modeling analysis applied to conformational equilibration of 1,3-butadiene vapor. UV spectra and thermodynamic parameters of the two conformers Separation by sodium-23 NMR of the unimolecular and bimolecular components of the dissociation kinetics of 18-crown-6-Na+ in some nonaqueous solvents Eliminations from (E)-O-Arylbenzaldoximes promoted by tertiary amines in acetonitrile. Effects of aryl substituents, base strength, and leaving group upon the nitrile-forming transition state Biomimetic syntheses of pretetramides. 3. Synthesis of 6-methylpretetramides using a preassembled D ring template Reaction of dimesitylsilylene in a cryogenic oxygen matrix. IR spectroscopic observation of a silylene-oxygen adduct Circular dichroism of oxiranes: an independent systems/perturbation approach An EXAFS study of cobalt-manganese/silica bimetallic solvated metal atom dispersed (SMAD) catalysts Book Reviews A symmetry-based procedure for the determination of molecular geometry changes following electronic excitation. 2. Relaxation pathways for the excited states of ethylene, acetone, butadiene, and methylenimine Mass measurements using isotopically labeled solvents reveal the extent of solvent transport during redox in thin films on electrodes The peptide way to macrocyclic bifunctional chelating agents: synthesis of 2-(p-nitrobenzyl)-1,4,7,10-tetraazacyclododecane-N,N',N",N'''-tetraacetic acid and study of its yttrium(III) complex Unusually lower barrier to reductive elimination in an 18-electron .eta.3-allyl(organo)nickel(II) complex than those for the 16-electron .eta.3-allyl counterpart and its 16-electron .eta.1-allyl isomer The 5-hydroxy-1,2,3-oxadiazolinium ion: neighboring group interaction between N-nitroso and aldehyde carbonyl Formation of bridging acylium and nitrilium complexes by reaction of carbon monoxide and tert-butyl isocyanide with a bridging diiron methylidyne complex. Evidence for strong electron donation from the Fe2C core onto the .mu.-CHC.tplbond.O and .mu.-CHC.tplbond.NR ligands Biomimetic syntheses of pretetramides. 1. Synthesis of pretetramide by tandem extension of a polyketide chain Organometallic chemical vapor deposition of III/V compound semiconductors with novel organometallic precursors Total synthesis of (.+-.)-punctaporonin B Carbon acidities of aromatic compounds. 2. Ionic probes of aromaticity in annelated rings Structural and synthetic studies of the spore germination autoinhibitor, gloeosporone Boratirane: preparation and characterization of trans-1,1,2,3-tetraphenylboratirane Do supra-antara paths really exist for 2 + 2 cycloaddition reactions? Analytical computation of the MC-SCF Hessians for transition states of ethylene with ethylene, singlet oxygen, and ketene Crystal structure, CP/MAS xeon-129 and carbon-13 NMR of local ordering in Dianin's compound clathrates The reaction of n-butyllithium with diphenylacetylene: structure elucidation of the mono- and dilithio product by one- and two-dimensional NMR spectroscopy, x-ray analysis, and MNDO calculations. Agostic activation by lithium Thermodynamic studies of competitive adduct formation: single- and double-insertion reactions of carbon monoxide with rhodium octaethylporphyrin dimer Incorporation of phenoxy groups in self-assembled monolayers of trichlorosilane derivatives. Effects on film thickness, wettability, and molecular orientation The reaction of dimethylsilylene with carbon monoxide in low-temperature matrices Correlation of carbon-13 and nitrogen-15 chemical shifts in selectively and uniformly labeled proteins by heteronuclear two-dimensional NMR spectroscopy Superacid solutions in hydrogen fluoride The resolution of racemic hydroperoxides: the preparation of optically pure hydroperoxide natural products

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