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issue	6
is Is Part Of of	Quantum topology of molecular charge distributions. 1 Methylation of platinum complexes by methylcobalamin Competitive radiative decay and metal-metal bond cleavage from the lowest excited state of triphenyltin- and triphenylgermanium tricarbonyl(1,10-phenanthroline)rhenium Mechanistic studies of arene oxide and diol epoxide rearrangement and hydrolysis reactions Solid state structure, magnetic susceptibility, and single crystal ESR properties of cis-diammineplatinum .alpha.-pyridone blue Transfer of oxygen from a 4a-hydroperoxyflavin anion to a phenolate ion. A flavin-catalyzed dioxygenation reaction Intramolecular hydrolysis of glycinamide and glycine dipeptides coordinated to cobalt(III). 2. Reactions of the cis-[Co(en)2(OH2/OH)(glyNHR)]3+/2+ ions (R = H, CH2CO2C3H7, CH2CO2-) and the effect of buffer species Consideration of the mechanism of the transition metal catalyzed olefin metathesis reaction. Metathesis of cis,cis-2,8-decadiene Nucleoside 4',5'-enol acetates. Synthesis and chemistry of a unique uridine O2,4'-anhydronucleoside Tandem Cope-Claisen rearrangement: a contrathermodynamic [3,3] sigmatropic sequence Bond fixation in annulenes. 6. Equalization of ring inversion and bond shifting energetics in methyl-substituted cyclooctatetraenes. Use of buttressing effects for comparing transition-state geometries 4H-Anthra[1,2-b]pyran antibiotics. Total synthesis of the methyl ether of kidamycinone Alane reduction of coordinated carbon monoxide: selective ethene production A combination of empirical force field and extended Hueckel molecular orbital calculations as a computational approach to conformational analysis Totally synthetic heme protein models based on complexes with superstructure ligands Book Reviews Metal-metal bonding in dirhodium tetracarboxylates. Trans influence and dependence of the rhodium-rhodium bond distance upon the nature of the axial ligands High pressure nuclear magnetic resonance kinetics. 3. Proton nuclear magnetic resonance study of the effect of temperature and pressure on the exchange of acetonitrile on nickel(II) Application of ESR spectroscopy to problems of structure and conformation. 32. Aliphatic semidiones. 38. Conversion of polymeric peroxides and hydroperoxides to 1,2- and 1,4-semidiones in basic solution Total synthesis of the racemate of the sesquiterpenoid marine allomone 9-isocyanopupukeanane Analysis of monolayer films at the air-water interface by field desorption mass spectrometry A high-field Moessbauer study of the iron sites in mixed-valent biferrocene monocation Kinetic .alpha. secondary deuterium isotope effects for O-ethyl S-phenyl benzaldehyde acetal hydrolysis Selenium-77 NMR studies. 2. Intramolecular rearrangements of monophosphine adducts of bis(diisobutyldiselenocarbamato)platinum(II), Pt(Se2CN-iso-Bu2)2PR3(R = C2H5). An unusual intensity distribution of satellites associated with selenium-77 coupling in phosphorus-31 NMR spectrum Hydrolysis of benzaldehyde O,S-acetals Competition between reactive sites in the reactions of oxygen atoms and hydroxyl radicals with phenylacetylene and styrene Thermal decomposition of labeled cyclohexene. A complex reaction involving a forbidden 1,2-hydrogen elimination Neutral metal formyl complexes: generation, reactivity, and models for Fischer-Tropsch catalyst intermediates Thermally stable copper(III)- and nickel(III)-tripeptide complexes and their photochemical decomposition in acid solution Excited-state spectroscopy of hexacyanocobaltate(III) Oxyphosphorane and monomeric metaphosphate ion intermediates in phosphoryl transfer from 2,4-dinitrophenyl phosphate in aprotic and protic solvents Chemical properties of metallocarboxylic acids of transition metals Comparison of half-met and met apo hemocyanin. Ligand bridging at the binuclear copper active site Proof of existence of cyclic C4H7+ ions in the dilute gas state Organic structure characterization by natural-abundance nitrogen-15 nuclear magnetic resonance spectroscopy. Rauwolfia alkaloids and model compounds Selective epoxidation of eicosa-cis-5,8,11,14-tetraenoic (arachidonic) acid and eicosa-cis-8,11,14-trienoic acid Total synthesis of (.+-.)-9-isocyanopupukeanane Gas-phase basicities of amides and imidates. Estimation of protomeric equilibrium constants by the basicity method in the gas phase Synthesis and reactivity of coordinated imines derived from 2-keto acids Facile syntheses of isolable organic derivatives of hypervalent sulfur, phosphorus, and silicon. Introduction of a stabilizing bidentate ligand via its dilithio derivative Duplex cyclodextrin Chemically derivatized n-type silicon photoelectrodes. Stabilization to surface corrosion in aqueous electrolyte solutions and mediation of oxidation reactions by surface-attached electroactive ferrocene reagents Interaction of hydrogen and hydrocarbons with transition metals. Neutron diffraction evidence for an activated carbon-hydrogen bond in an electron-deficient tantalum-neopentylidene complex Ring opening and closing rates for thiosugars lin-Benzoadenine nucleotides. Inter- and intramolecular interactions in aqueous solutions as observed by proton magnetic resonance Ligand substitution kinetics on ethylenediaminetetraacetato complexes of ruthenium(II) and ruthenium(III) covalently attached to graphite surfaces Total synthesis of the indole alkaloids dl-eburnamonine and dl-vincamine Outer-sphere chemical activation for electron transfer in the mixed-valence solid Cs2(SbIIIxSbVxSn1-2x)Cl6 New nuclear magnetic resonance methodology in biosynthetic studies of mixtures of statistically enriched carbon-13 and unlabeled precursors Masthead A MINDO/3 study of the bridged pyramidal C8H9 cation and its congeners A mechanistic study of the reactions of methylallyl chlorides with silver nitrate in acetonitrile Nonchair conformations in phosphorus-containing cyclohexanes. Crystal and molecular structures of cis- and trans-2-phenyl-2-oxo-5-tert-butyl-1,3,2-dithiaphosphorinanes and cis-2-phenyl-5-tert-butyl-1,3,2-dithiaphosphorinane Rearrangements among gas-phase ions of C8H8 isomers. A photodissociation-spectroscopic investigation Photochemistry and spectroscopy of monosubstituted derivatives of tungsten hexacarbonyl which exhibit low-efficiency photoreactivities Configuration and planarity of fluorescent and nonfluorescent 1,5-diazabicyclo[3.3.0]octadienediones (9,10-dioxabimanes) by x-ray crystallography Three isomers of the aluminum-acetylene system Vibrational circular dichroism of spirononadiene. Fixed partial charge calculations Regio- and stereoselective cyclopentenone annulation by means of ketone-propargyl alcohol adducts Chemistry of transition metal-phosphine and -phosphite complexes. 1. Photochemical substitution reactions of tetrakis(triphenyl phosphite)cobalt(I) hydride Bond fixation in annulenes. 5. Absolute configuration and chiroptical properties of optically active 1,2,3-trimethyl- and 1,2,3,4-tetramethylcyclooctatetraenes Palladium(0) catalyzed reaction of 1,3-diene epoxides. A useful method for the site-specific oxygenation of 1,3-dienes Enantioface-differentiating (asymmetric) addition of alkyllithium and dialkylmagnesium to aldehydes by using (2S,2'S)-2-hydroxymethyl-1-[(1-alkylpyrrolidin-2-yl)methyl]pyrrolidines as chiral ligands The prostaglandin endoperoxide nucleus and related bicyclic peroxides. Synthetic and spectroscopic studies A total synthesis of racemic avenaciolide Conformational study of the dipeptide arginylglutamic acid and of its complex with nucleic bases X-ray and NMR studies of a cyclophosphamide-like molecule, cis-2-oxo-2-dimethylamino-3-phenyl-5-tert-butyl-1,3,2-oxazaphosphorinane. Twist conformation in both solid phase and in solution Laser flash photolysis with NMR detection. Microsecond time-resolved CIDNP: separation of geminate and random-phase processes Influence of a transition metal on the regiochemistry of ring closures. An approach to medium-ring compounds Rigidity, lipophilicity, and Henry's constant

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