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issue	4
is Is Part Of of	Novel diamagnetic and paramagnetic iron(II), iron(III), and iron(IV) classical and nonclassical hyrides. X-ray crystal structure of [Fe(C5Me5)(dppe)D]PF6 Crystal structure of cis-(carbonyl)(.eta.1-carbon dioxide)bis(2,2'-bipyridyl)ruthenium, an active species in catalytic carbon dioxide reduction affording carbon monoxide and HCOO- Clusters containing ynamine ligands. 5. Coordination and transformations of an ynamine ligand in a dimanganese complex. Synthesis and structural characterization of Mn2(CO)8[.mu.-MeC2NEt2], Mn2(CO)8[.mu.-H2CCC(H)NEt2], Mn2(CO)8[.mu.-.eta.2-C3H3NEt2], and Mn2(CO)7[.mu.-.eta.4-C3H3NEt2] Carbanions. 26. Formation of hexadienyl anions by the reactions of various hexadienes with cesium solutions in the presence of 18-crown-6 or with n-butyllithium-cesium tert-butoxide Decamethylbimetallocenes Transformation of an isocyanide ligand in the coordination sphere of an osmium cluster. Reactions of osmium isocyanide complexes with amines Evidence for hexacoordinate tin centers in triorganotin halides containing two 8-(dimethylamino)-1-naphthyl ligands Cyclopalladation of N-mesitylbenzylideneamines. Aromatic versus aliphatic carbon-hydrogen bond activation Uranium-ligand bond dissociation enthalpies in uranium(IV) polypyrazolylborate complexes Chalcogenametallacyclohexadienes by thermally induced migratory ring enlargement of furyl- and thienylzirconocene complexes Structure and bonding of the coordinatively unsaturated complexes [Fe2(CO)5(.mu.-PR2)(.mu.-PR'2)](Fe = Fe) (R = R' = CMe3; R = Ph, R' = CMe3). Reaction of Na[Fe2(.mu.-CO)(CO)6(.mu.-PR2)] with R'2PCl, (R, R'= Ph, Cy, Me, CMe3) Synthesis of vanadium and titanium complexes of the type RM[(Me3SiNCH2CH2)3N] (R = Cl, alkyl) and the structure of ClV[(Me3SiNCH2CH2)3N] Oxidative addition of a phosphorus-oxygen-phosphorus linkage and metal-metal bond formation across a dimolybdenum cage The [3,3]-phospha-Cope rearrangement of 1,2-divinylphosphirane complexes A new strategy for the synthesis of homologously pure linear polystannane oligomers Carbonyl and phosphine adducts of open titanocenes and open vanadocenes: syntheses, spectroscopic studies, and solid-state structures Construction of several functionally-substituted tetramethylcyclopentadienyl ligands, their use in the syntheses of several organometallic compounds, and incorporation of the organometallic compounds into polymers Clusters containing ynamine ligands. 6. Transformations of an ynamine ligand in a dirhenium complex. Synthesis and structural characterization of Re2(CO)8[.mu.-H2CCHCNMe2], Re2(CO)7[.mu.-H2CCCNMe2](.mu.-H), and Re2(CO)8[.mu.-H2C:CCNMe2](.mu.-H) Ligand substitution reactions in Group 6 metal carbonyl complexes of a novel bicyclic ditertiary phosphine ether Regioselective reduction reactions of the cationic benzene complex (.eta.6-C6H6)RuCl(Cy2PCH2CH2PCy2)+ Photochemically reactive polymers. Synthesis, characterization, and photochemistry of a polyurea containing a Cp2Mo2(CO)6 molecule along the polymer backbone and of poly(ether urethane) copolymers with Cp2Mo2(CO)6 and Cp2Fe2(CO)4 molecules along the polymer backbone Gas-phase chemistry of bare transition-metal ions in comparison. 2. Reactions of titanium(+) to zinc(+) with 2-ethylbutanenitrile Tricarbon carborane chemistry. 3. Synthesis of carbon-13-labeled 6-CH3-6-13C-5,6,9-C3B7H10 and studies of carbon atom rearrangements in 11-vertex metallatricarbaborane complexes Intramolecular hydride migration from formyl to carbonyl and nitrene ligands Influence of ligands and anions on the rate of carbon monoxide insertion into palladium-methyl bonds in the complexes (P-P)Pd(CH3)Cl and [(P-P)Pd(CH3)(L)]+SO3CF3- (P-P = dppe, dppp, dppb, dppf; L = CH3CN, PPh3) Molecular structures of germacyclohexane and 1,1-dimethylgermacyclohexane as determined by gas-phase electron diffraction Photolysis of organopolysilanes. Photochemical 1,2-silyl migration of 2-(2-phenylethenyl)- and 2-(2,2-diphenylethenyl)-substituted trisilanes Combined DV-X.alpha. and gas-phase UV photoelectron spectroscopic investigation of the electronic structures of tetravalent titanium, zirconium, molybdenum, and thorium 1-sila-3-metallacyclobutane metallocene complexes Shape-selective and asymmetric cyclopropanation of alkenes catalyzed by rhodium porphyrins. [Erratum to document cited in CA116(9):83241s] Chemistry of organoindium hydrides. Synthesis, characterization, and crystal structure of K{H[In(CH2CMe3)3]2} Kinetics and equilibrium of the olefin-promoted interconversion of n-butyryl- and isobutyrylcobalt tetracarbonyl. The aldehyde isomer ratio in the cobalt-catalyzed olefin hydroformylation Preparation and NMR studies of hexacoordinated fluorosilicates: nondissociative fluorine site exchange within the octahedral complexes in solution Ruthenium-catalyzed Arbuzov rearrangement of (allyloxy)phosphines: isolation and x-ray structure analysis of an intermediate leading to mechanistic conclusions Tricarbon carborane chemistry. 1. Syntheses and structural characterizations of monocage iron, manganese, and nickel metallatricarbaborane complexes Carbene migratory insertions: preparation of the first second-row late-transition-metal alkyl-substituted carbene complex and comparison of its migratory insertion with that of its iron analog Promotion of ring-opening nucleophilic addition to thietane ligands by the bridging coordination of the sulfur atom in the osmium cluster complexes Os3(CO)10[.mu.-[cyclic]SCH2CMe2CH2] and Os3(CO)10[.mu.-trans-[cyclic]SC(H)MeCH2C(H)Me] (Thioallyl)iron tricarbonyl complexes Masthead Conformations of heteroferrocenes. Synthesis and crystal and dynamic solution behavior of 2,2',5,5'-tetrakis(trimethylsilyl)-3,3',4,4'-tetramethyl-1,1'-distibaferrocene Polymeric organosilicon systems. 12. Synthesis and anionic ring-opening polymerization of 1,2,5,6-tetrasilacycloocta-3,7-diynes Photochemical ring-opening and expansion reaction of 2,4-dineopentyl-1,1,3-triphenyl-3-vinyl-1,3-disilacyclobutane Synthesis and structure of the trimolybdenum cluster [(CpMoCl)3(.mu.-Cl)4(.mu.3-O)] Kinetic study of the isomerization reactions of (trimethylsilyl)methylsilylene-bridged diiron complexes Supramolecular organolead(IV) and -tin(IV) systems [(Me3EIV)3MIII(CN)6].infin. (E = Pb or Sn, M = Co or Fe): comparative x-ray diffraction and solid-state multinuclear magnetic resonance studies Structural and spectroscopic characterization of a paramagnetic isocyanide complex of rhodium(II) Stable tertiary phosphine adducts of alane Alkali-induced decomposition of (2-hydroxyethyl)aquocobaloxime: resolution of a long-standing mechanistic dilemma Synthesis of bi- and tetranuclear sulfur ylide complexes of gold(I) by phase-transfer-catalysis techniques Synthesis and structure of rhodium complexes containing a photolabile .eta.2-carbodiimide ligand. 1,3-Dipolar cycloaddition of phenyl azide to Tp'Rh(CNR)2 [Tp' = hydrotris(3,5-dimethylpyrazolyl)borate] Reactions of transition-metal .sigma.-acetylide complexes. 15. Cycloaddition of trans-1,2-bis(methoxycarbonyl)-1-cyanoethene: studies on the mode of ring opening of .sigma.-cyclobutenyl complexes. X-ray structures of two isomers of ruthenium complexes Ru{C:CPhCH(CO2Me)C(CN)(CO2Me)}(CO)(PPh3)(.eta.-C5H5), Ru{C[:C(CN)(CO2Me)]CPh:CH(CO2Me)}(CO)(PPh3)(.eta.-C5H5), and Ru{.eta.3-CH(CO2Me)CPhC:C(CN)(CO2Me)}(CO)(.eta.-C5H5) Formation and substitution of remote ester functionalized organocopper reagents Thiolate-bridged dichromium complexes. Syntheses and crystal structures of [CpCr(CO)2(SPh)]2 and [CpCr(SPh)]2S Substituent interactions in .eta.6-arene complexes. 1. Systematic x-ray crystallographic study of the structural manifestations of .pi.-donor and .pi.-acceptor substituent effects in substituted chromium (.eta.6-arene)Cr(CO)3 complexes Tricarbon carborane chemistry. 2. Syntheses and structural characterizations of commo iron and cobalt bis(tricarbaborane) complexes Half-open ruthenocenes derived from [Ru(C5Me5)Cl]4: syntheses, characterizations, and solid-state structures Competitive nucleophilic attack between carbon and metal atoms in bridging hydrocarbyls: x-ray structures of Fe2(CO)5(.mu.-PPh2)[.mu.-C:C(Ph)PPh2CH2PPh2], a novel zwitterionic vinylidene complex, and Fe2(CO)4(.mu.-PPh2)(.mu.2-.eta.2-C.tplbond.CCHMe2)(.mu.-Ph2PCH2CH2PPh2), a diphosphine-bridged acetylide Reactions between iron(0) alkynylcarbene complexes and cyclopentadiene: formation of iron(0) .eta.1-vinylcarbene complexes and their facile thermal transformation into the corresponding (.eta.3:.eta.1-allylacyl)iron(II) complexes

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