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issue	9
is Is Part Of of	Arene oxide-oxepin isomerization. Theoretical predictions and experimental evidence Relationship between More O'Ferrall plots and Marcus rate theory. Overriding orbital-symmetry constraints on chemical reactions New aspects of the telluroxide elimination: a facile elimination of sec-alkyl phenyl telluroxide leading to olefins, allylic alcohols, and allylic ethers Oxyanionic substituent effect on the carbon-hydrogen insertion of carbenes. Reaction of alkoxides with dichlorocarbene and chlorophenylcarbene Molten salt catalysis. Selective bond cleavage reactions for some .alpha.,.omega.-diphenylalkanes in antimony trichloride melts Nitric oxide ferrohemes: kinetics of formation and photodissociation quantum yields Dihydrogen evolution from aqueous vanadium(II)-cysteine solutions at pH 6.0-9.5 Pentadienyl dithiocarbamate as a 1,5-dianion equivalent. Versatile reagent for polyene synthesis Surface acid site characterization by means of CP/MAS nitrogen-15 NMR .mu.-(.eta.5:.eta.5-Cyclooctatetraene)bis[(.eta.5-cyclopentadienyl)vanadium]: preparation, structure and ESR characterization of its radical anion Oxidatively assisted hydrolysis of allylic iodides to rearranged allylic alcohols. A new example of [2,3] sigmatropic rearrangement Intrinsic barriers in nucleophilic displacements. A general model for intrinsic nucleophilicity toward methyl centers Triacridine derivative: first DNA tris-intercalating ligand Masthead Synthesis and structure of a molybdenum dimer illustrating d.pi. orbital participation in .pi. donation, .pi. acceptance, and metal-metal bond formation Two new members of the dimeric .beta.-linked face-to-face porphyrin family: FTF4* and FTF3 Stereopopulation control. VIII. Rate and equilibrium enhancement in the formation of homophthalic anhydrides Routes to mitomycins. New syntheses of the 2,3,5,8-tetrahydro-5,8-dioxo-1H-pyrrolo[1,2-a]indole ring system. An efficient synthesis of 7-methoxymitosene Photochemistry of ketones in solution. 70. Stereospecific photodecarbonylation of cis- and trans-2,7-dimethyl-3,5-cycloheptadienone: observation of an apparent symmetry-forbidden concerted cheletropic fragmentation Stereochemistry of the olefin metathesis reaction: theoretical extended Hueckel study of substituted metallacyclobutanes New class of .sigma.-bonded aliphatic aza-macrocyclic complexes of transition metals: synthesis and x-ray crystal structures of nitrogen-bridged [(TiN4C12H24)2] and the oxo-bridged species [(N4C12H25)TiOTi(N4C12H25)] Book Reviews Ester aminolysis: new reaction series for the quantitative measurement of steric effects New type of oscillating reaction: air oxidation of benzaldehyde Total synthesis of (.+-.)-14-epicorynoline, (.+-.)-corynoline, and (.+-.)-6-oxocorynoline Phenomenon of slowing down in the autocatalytic trypsinogen to trypsin conversion in a continuous-flow stirred-tank reactor Nanosecond time-resolved magnetic resonance of the primary radical pair state PF of bacterial photosynthesis Synthesis, characterization, and reaction chemistry of a bis(iodosylbenzene)metalloporphyrin complex, [PhI(OAc)O]2MnIVTPP. A complex possessing a five-electron oxidation capability gem-Alkylcyclopentadienes. 2. Secondary deuterium kinetic isotope effect study of the cycloaddition of diphenylketene and 5,5-dimethylcyclopentadiene Further studies of the dimeric .beta.-linked "face-to-face four" porphyrin: FTF4 Trefoil aromatics: a potentially new class of aromatic molecules Organoaluminum-promoted Beckmann rearrangement of oxime sulfonates Cooperative dioxygen binding by cobalt(II) gable porphyrin in homogeneous solution Structures of betaenones A and B, novel phytotoxins from Phoma betae Fr. Gas-phase hydrogen-deuterium exchange reactions of hydroxide and hydroxide-d ions with weakly acidic neutrals Molecular orbital and spectroscopic studies of triple bonds between transition-metal atoms. 2. The d5-d5 Re2Cl4(PR3)4 compounds Barrier heights and the position of stationary points along the reaction coordinate Structure-reactivity effects in the hydration of benzaldehydes Phosphorus-nitrogen ring systems and high polymers. Mechanism of the reaction between alkyl or aryl Grignard reagents and hexachlorocyclotriphosphazene: an explanation of bicyclophosphazene formation Stabilities of carbocations in solution. 14. An extended thermochemical scale of carbocation stabilities in a common superacid Reactions of atomic oxygen with ethene in solid argon. The infrared spectrum of vinyl alcohol Conductive molecular crystals. Structural, magnetic, and charge-transport properties of partially oxidized (5,10,15,20-tetramethylporphyrinato)nickel(II) Hydrogen-transfer reactions which generate new imine, imido, and trimethylenemethane complexes of tantalum Optimization of metallocene substrates for .beta.-cyclodextrin reactions Laser and pulse radiolytically induced colloidal gold formation in water and in water-in-oil microemulsions Reduction of carbon monoxide by binuclear tantalum hydride complexes Angle-resolved SIMS studies of organic monolayers on the silver (111) surface Conversion of an .eta.5-C5H5 complex into a cyclopentadienylidene ketene complex 7-Cis,9-cis,11-cis-Retinal, all cis-vitamin A and 7-cis,9-cis,11-cis-12-fluororetinal. New geometric isomers of vitamin A and carotenoids. 12 Structure and tunneling dynamics of malonaldehyde. A theoretical study Proton-exchange rates in solid tropolone as measured via carbon-13 CP/MAS NMR Control of spin state in (porphinato)iron(III) complexes. An axial ligand orientation effect leading to an intermediate-spin complex. Molecular structure and physical characterization of the monoclinic form of bis(3-chloropyridine)(octaethylporphinato)iron(III) perchlorate Effect of pressure on two cyclodextrin-promoted ester hydrolyses Reaction of ethylene with trinuclear hydrido cluster complexes: formation and subsequent fragmentation of .mu.-acyl complexes Systematic design of chemical oscillators. 15. A new type of bromate oscillator: the bromate-iodide reaction in a stirred-flow reactor Metal-metal multiple bonds. 10. Electrophilic additions of halogens and hydrogen halides to the molybdenum-molybdenum triple bond in dicyclopentadienyldimolybdenum tetracarbonyl N,N'-Dinitrosation of platinum(IV)-coordinated 1,2-ethanediamine: crystal and molecular structure of chloronitro(bipyridyl)(N,N'-dinitroso-1,2-ethanediaminato)platinum(II) hemihydrate Nucleophilic attacks on carbon-carbon double bonds. Part 29. Role of hyperconjugation in determining the stereochemistry of nucleophilic epoxidation and cyclopropanation of electrophilic olefins On the electronic character of progressively unsaturated [4.4.3]propellanyl cations under long- and short-life conditions Enol phosphates from the action of monomeric metaphosphate ion on ketones Studies on the catalyzed interconversions of vitamin A derivatives Redox properties of octacyano-substituted zinc phthalocyanine ((CN)8PcZn). New charge-transfer complex Role of higher triplet states in the anthracene-sensitized photoisomerization of stilbene and 2,4-hexadiene Conformational analysis of linear peptides. 4. Association properties of protected oligomers of .alpha.-aminoisobutyric acid in chloroform Stereopopulation control. VII. Rate enhancement in the lactonization of 3-(o-hydroxyphenyl)propionic acids: dependence on the size of aromatic ring substituents Interdependence of carbon-nitrogen and carbon-oxygen bond lengths in urea structures and in ureido ring structures Mesylate derivatives of .alpha.-hydroxy phosphonates. Formation of carbocations adjacent to the diethyl phosphonate group Chemical oscillations and instabilities. 51. Gas evolution oscillators. 1. Some new experimental examples Asymmetric synthesis via acetal templates. 4. Reactions with silylacetylenic compounds. Formation of chiral propargylic alcohols Carbon-13 and proton two-dimensional NMR study of the Ormosia alkaloids panamine, ormosanine, and ormosinine Mixed-metal face-to-face porphyrin dimers Mechanism of gas-phase cyanation of alkenes and aromatics New probes for electron-transfer processes. Evidence supporting the single-electron-transfer mechanism in additions of carbanions to dienones Experimental investigation of gaseous ionic structures of interstellar importance: HCO+ and HOC+ Triple-decker complexes. 8. Triple-decker sandwiches. Syntheses, reactivity, electrochemistry, and x-ray crystal and electronic structures of bis(cyclopentadienylmetal)-.mu.-1,3-diborolenyl complexes with 29-34 valence electrons Formation of paramagnetic adsorbed molecules on thermally activated magnesium and calcium oxides. Further studies of carbon monoxide Mechanistic aspects of the catalytic reduction of dioxygen by cofacial metalloporphyrins Adiabatic S1 9,10-dichloroanthracene formation from electronically excited 9,10-dichloroanthracene/1,3-cyclohexadiene photoadducts Chemoselective behavior of enolate carbenes derived from dianions of enol thioacetals Detection of free radicals from low-temperature ozone-olefin reactions by ESR spin trapping: evidence that the radical precursor is a trioxide Absorption and emission characteristics of merocyanine 540 in microemulsions Structure of dimesitylcarbene Sequential resonance assignments in DNA proton NMR spectra by two-dimensional NOE spectroscopy Electrochemical studies of the reduction of fluorenone triphenylphosphazine. Formation of the stable dimeric dianion (FlN2)22- Crystal structure of dehydrated rubidium-exchanged zeolite A. Absence of zero-coordinated rubidium. Preferential ion exchange of barium impurity Orthoquinone complexes of vanadium and their reactions with molecular oxygen Benzidine rearrangements. 18. Mechanism of the acid-catalyzed disproportionation of 4,4'-diiodohydrazobenzene. Application of heavy-atom kinetic isotope effects Molecular structure of silicon dichloride and silicon dibromide from electron diffraction combined with mass spectrometry

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