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issue	8
is Is Part Of of	Substituent effects in cluster species. 3. Structural consequences of intercage .pi. interactions in the dimer and trimer of 1,5-dicarbapentaborane(5) Metal-ion recognition by macrocyclic ligands. Thermodynamic stabilities of nickel complexes of a series of O2N2-donor macrocyclic ligands An electron diffraction study of 1,1-dimethylsilaethylene Preparation of a "stabilized formyl" complex from carbon monoxide and hydrogen and the crystal structure of a derivative in which the carbon-oxygen bond has been cleaved Photochemical transformations. 27. Acid-catalyzed photosolvolytic reactions and rearrangements. Evidence for heterolytic photochemical bond cleavage Charge-transfer absorptions of copper(II)-imidazole and copper(II)-imidazolate chromophores Topography of cyclodextrin inclusion complexes. 12. Structural chemistry of linear .alpha.-cyclodextrin-polyiodide complexes. X-ray crystal structures of (.alpha.-cyclodextrin)2.LiI3.I2.8H2O and (.alpha.-cyclodextrin)2.Cd0.5).I5.27H2O. Models for the blue amylose-iodine complex Role of through space 2p-3d overlap in the alkylation of (.omega.-N,N-dimethylaminoalkyl)diphenylphosphines and in the alkaline decomposition of related quaternary phosphonium salts A new diene synthesis via organopalladium chemistry Reaction of 3-chloro-3-methyldiazirines with hydrogen atoms Masthead Torsion angles in the cystine bridge of oxytocin in aqueous solution. Measurements of circumjacent vicinal couplings between proton, carbon-13, and nitrogen-15 Unimolecular reactions of isolated organic ions. The importance of ion-dipole interactions Structure, optical resolution, and conformational stability of perchlorotriphenylamine Electron affinity of HO2 and HOx radicals A vibrational study of zirconium tetraborohydride supported on aluminum oxide. 1. Interactions with deuterium, deuterium oxide, and water vapor Cleaving carbon-carbon bonds in cyclopropenium ions Nucleophilic addition to activated olefins. 3. Reactions of piperidine and morpholine with benzylidenemalononitrile in 50% dimethyl sulfoxide-50% water. Intrinsic barriers in nucleophilic additions Transition metal catalyzed reactions of alkynes and boron hydrides: synthesis of 2-(cis-2-butenyl)pentaborane(9) and its conversion into monocarbon carboranes The remarkable catalytic power of glymes in ester aminolysis carried out in nonpolar media Ring inversion in 1,4,7-cyclononatriene (trishomobenzene). Force-field calculations for abnormally large bond angles Chiral secondary amides. 2. Molecular packing and chiral recognition Studies in nuclear magnetic resonance spectroscopy. 17. Deuteron quadrupole coupling constants in intramolecularly hydrogen bonded systems Electron spin-echo studies of radical interaction and orientation on catalytic surfaces. Hydroxymethyl radicals in A-, Y-, and X-type zeolites Theory of hyperfine interaction in five-liganded divalent and trivalent manganese porphyrin systems Reaction of singlet oxygen with .alpha.,.beta.-unsaturated ketones and lactones Decarboxylation reactions: reactivity of a free carboxylate anion in ethereal solvents Synthesis and spectroscopic and structural properties of bis(N-acetyl-DL-tryptophanato)copper(II) complex and its amine adducts. Effect of amines on the amino acid coordination. Crystal and molecular structure of diaquabis(N-acetyl-DL-tryptophanato)bis(pyridine)copper(II) Vapor phase association in acetic and trifluoroacetic acids. Thermal conductivity measurements and molecular orbital calculations Divalent lanthanide derivatives in organic synthesis. 1. Mild preparation of samarium iodide and ytterbium iodide and their use as reducing or coupling agents Mechanism of reductive elimination of acetophenone from Me4+[cis-(CO)4Mn(COMe)(COPh)]- Photolysis of the endoperoxide of heterocoerdianthrone. A concerted, adiabatic cycloreversion originating from an upper excited singlet state An MO theoretical study on the stability of tetrahedrane Autoxidation of 2-tert-butyl-2,3-diazabicyclo[2.2.1]heptane. Stereospecific loss of hydrogen from N-3 and C-5, and N-3 and C-6 Effect of solvation on .beta. values for formyl, acetyl, and pivaloyl transfer between sulfur and oxygen nucleophiles Semiconductor electrodes. 26. Spectral sensitization of semiconductors with phthalocyanine Crystal structure of a beauvericin-barium picrate complex Optical rotatory dispersion studies. 128. Octant contributions of methyl groups in 4-tert-butylcyclohexanones Secondary deuterium isotope effects on formyl transfer reactions between sulfur and oxygen nucleophiles Chemistry of exciplexes. 9. Viscosity effect on intramolecular exciplex formation in saturated hydrocarbons A 1,3-O- to -C-alkyl shift catalyzed by palladium Hemoprotein models: NMR of imidazole chelated protohemin cyanide complexes A major leaving group effect on chemical events after the group has left: reactions of acetone enolate ion with halobenzenes and related substrates provoked by solvated electrons High-resolution variable-temperature phosphorus-31 NMR of solid calcium phosphates Electrochemistry of vitamin B12. 5. Cyanocobalamins Photochemical kinetics of salicylidenaniline Kinetics and mechanism of reduction of horse heart cytochrome c by hexaammineruthenium(II) ion. Reactivities of the electronic isomers of cytochrome c EPR detection of (CF3)3CI-. A test case regarding the stability of RX- radical anions Correlating phosphorus core binding energies, phosphorus lone pair ionization potentials, and proton affinities of tervalent phosphorus compounds Production of dixenon cation by reversible oxidation of xenon Photophysical and photochemical properties of chloropentaamminerhodium(2+) in nonaqueous solvents. Solvent control of the photolabilization pathways of the ligand field excited states Thermal isomerization of allyl-substituted cyclopropenes. An example of a nonsynchronous cope rearrangement Total synthesis of dl-tazettine Ab initio study of bis(nitrogen dioxide)(1+) and bis(carbon dioxide)(1-) ions Preferred kinetic migration of methyl and preferred thermodynamic migration of phenyl in conversion of cis-acetylbenzoyltetracarbonylrhenate(I) to cis-benzoylmethyltetracarbonylrhenate(I) and cis-acetylphenyltetracarbonylrhenate(I) 1-Benzyl-1,4-dihydronicotinamide as a reagent for replacing aliphatic nitro groups by hydrogen: an electron-transfer chain reaction Adiabatic J cross-polarization in liquids for signal enhancement in NMR Evidence for the incursion of intermediates in the hydrolysis of tertiary, secondary, and primary substrates Synthesis of perfluoroalkyl trifluoromethanesulfonates from perfluoroalkyl halides. Substitutive electrophilic dehalogenation with chlorine(I) and bromine(I) trifluoromethanesulfonates Reactivity of alkyne tungsten and molybdenum complexes. Heterolytic carbon-hydrogen bond activation in coordinated alkynes Preparation, disproportionation, and reactions of two semi-met forms of hemerythrin A vibrational study of zirconium tetraborohydride supported on aluminum oxide. 2. Interactions with ethylene, propylene, and acetylene Cp2M2(CO)4 - quadruply bridging, doubly bridging, semibridging, or nonbridging? Visual pigments. 11. Spectroscopy and photophysics of retinoic acids and all-trans-methyl retinoate Reaction of .alpha.-arylvinyl halides with antimony pentafluoride. A proton and carbon-13 NMR spectroscopic investigation Pyrazolo[4,3-d]pyrimidine nucleosides. 9. Studies on the isomeric N-methylformycins Poly(dimethylphosphazene), (Me2PN)n Organo-sulfur mechanisms. 11. [1,3]-Sigmatropic shifts for 5-X-bicyclo[2.1.0]pent-2-enes. An evaluation of the pseudopericyclic model Proton-transfer reactions involving alkyl ions and alkenes. Rate constants, isomerization processes, and the derivation of thermochemical data Variational transition state theory. Primary kinetic isotope effects for atom transfer reactions Separation and identification of residual diastereomers in a maximally labeled triarylamine Structure of the free-base "capped" porphyrin, 5,10,15,20-[pyrromellitoyl(tetrakis-o-oxyethoxyphenyl)]porphyrin Further evidence for single electron transfer during the alkylation of the benzophenone anil dianion Book Reviews

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