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Is Part Of	http://hub.abes.fr/acs/periodical/jacsat/1979/volume_101
has manifestation of work	http://hub.abes.fr/acs/periodical/jacsat/1979/volume_101/issue_16/m/print http://hub.abes.fr/acs/periodical/jacsat/1979/volume_101/issue_16/m/web
issue	16
is Is Part Of of	Crystal and molecular structure of [n-Bu4N+][S3N3-] and the vibrational assignments and electronic structure of the planar six-membered ring of the trisulfur trinitride anion The iron(II) and cobalt(II) "cap" and "homologous cap" porphyrins. Base and oxygenation equilibriums studies of relevance to hemoglobin cooperativity Ipso nitration. Use of ipso nitration products as sources of carbon electrophiles in regiospecific syntheses of aromatic derivatives Systematics in the electronic spectra of polar molecules. 2. Ortho- and meta-disubstituted benzenes An investigation of the reduction of aryldiazonium ions by hydrazines Saturation-transfer study of the mechanism of proton exchange in amides Photoinduced reactions. 108. 1,2-dioxetane formation in an indole system Optically active poly(triphenylmethyl methacrylate) with one-handed helical conformation Generalized transition state theory. Bond energy-bond order method for canonical variational calculations with application to hydrogen atom transfer reactions Technetium radiopharmaceutical development. 1. Synthesis, characterization, and structure of dichloro[hydrotris(1-pyrazolyl)borato]oxotechnetium(V) One-step joining reaction of thiolate anions, activated olefins, and carbonyl compounds Angular dependence of the electron-acceptor character of alkylthio groups in organic radicals Stereoreversed electrophilic additions to 3-norcarenes. Insight into the relative steric demands of singlet oxygen in the ene reaction Simple generation of thiocarbonyl ylides Cyclodextrin having an amino group as a rhodopsin model Book Reviews Binding of oxygen and carbon monoxide to hemoglobin. An analysis of the ground and excited states Carbanions, electron transfer vs. proton capture. 6. Determination of the effect of ion pairing on the electron-transfer equilibrium between fluoradenide ion and nitrobenzene Nuclear analogs of .beta.-lactam antibiotics. 6. 3-Oxa-1-azabicyclo[4.2.0]octan-8-one-2-carboxylic acids A new class of highly conducting organic materials: charge-transfer salts of the tetrathiafulvalenes with the tetrahalo-p-benzoquinones High-resolution carbon-13 NMR spectra of carbonium ions in the solid state Direct observation of phosphoranide anions. Extremely stable phosphorus-hydrogen dioxyphosphoranes containing two carbon-phosphorus bonds Separation of polar and resonance substituent effects in the reaction of benzaldehydes with hydrocyanic acid. A correlation between .rho.r/.rho.req ratios and central atom rehybridization Unification of the carbenic selectivity spectrum. The ambiphilicity of methoxychlorocarbene Electrochemistry of horse heart cytochrome c Binuclear complexes of macrocyclic ligands. Electrochemical and spectral properties of homobinuclear CuIICuII, CuIICuI, and CuICuI species including an estimated intramolecular electron transfer rate The iron(II) "homologous cap" porphyrin. A novel dioxygen binder Twofold cation-olefin cyclization. Synthesis of syn-[3.2.1]2- and [2.2.2]2geminane Preparation and characterization of tantalum(III) olefin complexes and tantalum(V) metallacyclopentane complexes made from acyclic .alpha. olefins Substituent effects on the general- and specific-acid-catalyzed hydrolyses of acetals of benzaldehydes Generation of butatrienone (vinylideneketene) by flash vacuum pyrolysis and measurement of its microwave spectrum Extended unsaturated carbenes. Generation and reaction of allenylidene carbenes, (R)2C:C:C:C:, with olefins Studies on the carbanions affected by neighboring sulfur groups. 1. Effect of the oxidation number of sulfur atom on ion pairing and electron transfer of the alkali metal fluorenyl carbanions substituted in 9 position with phenyl sulfur groups Reappraisal of the stereochemistry of electrophilic additions to 3-norcarenes. X-ray and proton NMR analysis of norcarene epoxide conformation. The role of magnetic anisotropic contributions of epoxide rings Kinetic studies on the nucleophilic addition to double bonds. 1. Addition of amines to electrophilic carbon-carbon double bonds MNDO study of tetra-tert-butyltetrahedrane and tetra-tert-butylcyclobutadiene and of their thermal interconversion Macrolide antibiotics. 1. Total synthesis of the Prelog-Djerassi lactone and methynolide Energy barriers for isomerization of gaseous C3H5+ ions Comparative chemistry of the bay- and non-bay-region tetrahydro epoxides of phenanthrene Carbene rearrangements of 2-vinylcyclobutylidene Conformational study of cyclohexanecarboxaldehyde by microwave spectroscopy Systematics in the electronic spectra of polar molecules. 1. Para-disubstituted benzenes Geometry predictions for conjugated free radicals containing three .pi. electrons using ab initio MO theory Hydroxyphosphoranes and phosphoranoxide anions - synthesis, reactivity, and acidity of pentacoordinate phosphorus acids Absolute configuration of (-)n-tris(2,2'-bipyridine)cobalt(III) Conformational analysis of 1,1,2,2-tetracyclohexylethane Studies on vitamin B12 and related compounds. 49. Direct synthesis of alkyl- and of .omega.-carboxyalkylcobalamins from vitamin B12 and aliphatic carboxylic acids under "oxidizing-reducing" conditions Molecular beam electric deflection analysis of (SN)x vapor. Evidence for a nonpolar tetramer Synthesis and temperature-dependent conformational preferences of macrocycles containing the 2,2'-bipyridyl moiety High-resolution microwave spectra and conformations of 2-tetrahydropyranylcarbinol and 2-aminomethyltetrahydropyran Metal-metal charge transfer in thallous tetracarbonylcobaltate ion pairs. Spectroscopy and equilibrium constants Reaction of a bridged binuclear dialkylcobalt complex with carbon monoxide and phosphines. Observation of competing inter- and intramolecular metal to metal methyl transfer Photophysical and photochemical properties of rhodium(III) halopentaammine complexes in aqueous solution. Reaction kinetics of ligand field excited states Crystal structure of [(C2H5)4N]3[Fe4S4(SCH2Ph)4], a reduced ferredoxin site analog with a nontetragonal Fe4S4 core structure in the solid state Excited-state energy distribution between dissimilar carbonyl molecules produced from 1,2-dioxetanes Polyene chain conformations of 13-demethylretinals Protonation of aromatic .pi. carbocations in strong acid. Direct observation of protonated carbocations by proton NMR spectroscopy Infrared laser chemistry of large molecules Molecular origin of the temperature-dependent NMR spectrum of 1:1 crown ether macrocycles containing a 2,2'-bipyridyl subunit Generation of spirodihydroaromatic anions. Chemistry and carbon-13 NMR Structure and conformation of pyrimidine lyxofuranosides. 1-.beta.-D-Lyxofuranosyluracil, 1-.beta.-D-lyxofuranosylcytosine, and some O'-methyl derivatives Progress toward the total synthesis of maytansinoids. Synthesis of (.+-.)-4,5-deoxymaysine (N-methylmaysenine) Reductive coupling of carbonyl or imino functional groups by dicarbonylbis(cyclopentadienyl)titanium(II): model reactions for carbon dioxide dimerization and a novel metallacycle formation Structure and dynamic behavior of propyllithium from carbon-13, lithium-7, and lithium-6 NMR NMR study of the spatial effect of polyacrylamide gel upon the water molecules confined in it A theoretical study on the paths of photodissociation: cyclopropanone .fwdarw. carbon monoxide + ethylene Photochemically generated silicon-carbon double-bonded intermediates. 10. Photochemical behavior of 1-disilanyl- and 2-disilanylnaphthalenes Electrochemistry of the carbon-halogen bond. 9-Fluorenyl and benzhydryl halides in dimethylformamide at platinum and vitreous carbon electrodes Enol thioethers in synthesis. Regiocontrolled arylation via organopalladium chemistry Effects of methyl substitution on the excited states of butadiene Electron spin resonance and CIDNP studies on 1,3-cyclopentadiyls. A localized 1,3 carbon biradical system with a triplet ground state. Tunneling in carbon-carbon bond formation Cyclic peroxides. 87. A stable bisdioxetane Cyclophane porphyrin. 2. Models for steric hindrance to carbon monoxide ligation in hemoproteins Sensitivity enhanced detection of weak nuclei using heteronuclear multiple quantum coherence Photolytic separation of carbon isotopes in cryogenic solutions of carbon disulfide Matrix effect on the photochemistry of cyclopropyl ketones. Photochemistry of the triplet state of 2-spirocyclopropyl-1-indanone at 77 K Onium ions. 19. Chloromethylhalonium ions Chemistry of cobalamins and related compounds. 48. Sterically induced, spontaneous dealkylation of secondary alkylcobalamins due to axial base coordination and conformational changes of the corrin ligand The quasi-solid liquid lattice and volume change on melting of a solid. A modified significant structure theory of liquids. 1 Structure of cleomeolide, a novel diterpene lactone from Cleome icosandra Linn Masthead

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