Mono and dinuclear hydrotris(3,5-dimethylpyrazolyl)borato tantalum complexes

[1]  F. Maseras,et al.  An unprecedented α-C–C agostic interaction in a cyclopropyl tris(pyrazolyl)boratoniobium complex , 2003 .

[2]  K. Takai,et al.  Preparation, Structural Characterization, and Reactions of Tantalum-Alkyne Complexes TaCl3(R1C⋮CR2)L2 (L2 = DME, Bipy, and TMEDA; L = Py) , 2003 .

[3]  Agustín Galindo,et al.  Alkyl alkyne mono((trimethylsilyl)cyclopentadienyl) niobium complexes. Synthesis and chemical behavior in insertion processes. X-ray crystal structures of [NbCp'(CH2SiMe3)2(Me3SiCCSiMe3)]and [NbCp'(NAr){η4-CH(SiMe3)C(SiMe3)C(CH2SiMe3)=CH(SiMe3)}], (Cp' = η5-C5H4SiMe3, Ar = 2,6-Me2C6H3). DFT studies , 2002 .

[4]  F. Maseras,et al.  Equilibria between alpha- and beta-agostic stabilized rotamers of secondary alkyl niobium complexes. , 2001, Journal of the American Chemical Society.

[5]  K. Kitaura,et al.  Substituent Effect on Organotin Tp* Compounds as the Tp* Reagent for the Preparation of Mono Tp* Complexes of Group 4—6 Metals (Tp* = Tris(3,5-dimethylpyrazol-1-yl)hydroborate) , 2000 .

[6]  Jean‐Cyrille Hierso,et al.  Alkyne[hydrotris(pyrazolyl)borato]tantalum Complexes – An Ethyl Group is a Better α‐Agostic Donor Than a Methyl Group , 2000 .

[7]  S. Trofimenko.  Scorpionates: The Coordination Chemistry of Polypyrazolylborate Ligands , 1999 .

[8]  D. Rehder,et al.  Dichloro(tetrahydrofuran-O)[tris(1-pyrazolyl-N2)borato]vanadium(III) , 1998 .

[9]  M. Etienne,et al.  Ethylene Polymerization with Hydridotris(pyrazolyl)boratoniobium Complexes as Precursors , 1998 .

[10]  T. Hofmann,et al.  Synthesis and characterization of new hydrotri(3,5-dimethyl-1-pyrazolyl)borate vanadium halfsandwich complexes , 1998 .

[11]  K. Mashima,et al.  Tp*Sn(Cl)Bu2 as a Convenient Reagent for the Preparation of Hydrotris(3,5-dimethylpyrazolyl)borate Complexes of Niobium, Tantalum, and Zirconium , 1997 .

[12]  B. Donnadieu,et al.  Reversible Migratory Insertion/-Alkyl Elimination in a-Agostic Alkylniobium Alkyne Complexes , 1997 .

[13]  M. Etienne.  HYDRIDOTRIS(PYRAZOLYL)BORATO COMPLEXES OF THE GROUP 5 METALS : INORGANIC AND ORGANOMETALLIC CHEMISTRY , 1996 .

[14]  K. Abboud,et al.  Synthesis and crystal structures of hydridotris(3,5-dimethylpyrazolyl) borate tantalum(V)(=N-2,6-Pr2C6H3) (X)Cl (X = Cl, BunO) , 1996 .

[15]  K. Abboud,et al.  Competition between π Donation and α-C−H Agostic Interactions in Complexes of the Type Tp‘Ta(CH-t-Bu)(X)(Y) (X = Halide; Y = Halide, NR2, OR; Tp‘ = Hydrotris(3,5-dimethylpyrazolyl)borate) , 1996 .

[16]  M. Etienne,et al.  (Hydrotris(3,5-dimethylpyrazolyl)borato)niobium Alkyne Complexes: Dichloro and Dialkyl Derivatives and Formation of a Butadienyl Complex with an α-Agostic Interaction , 1996 .

[17]  A. Otero,et al.  GROUND-STATE GEOMETRY PREFERENCES IN (TRIS(PYRAZOLYL)BORATE)- AND CYCLOPENTADIENYLNIOBIUM ALKYNE COMPLEXES , 1996 .

[18]  Jörg Sundermeyer,et al.  Hohervalente Derivate der d‐Metall‐Sauren, 13. Homoscorpionate als tripodale Ankerliganden chlorfunktioneller Oxo‐ und Imidokomplexe von Elementen der 5.‐7. Gruppe , 1994 .

[19]  R. Butcher,et al.  Synthesis, structure, and spectroscopic properties of vanadium(III) and -(IV) complexes containing hydridotris(pyrazolyl)borate ligands. 3 , 1992 .

[20]  P. White,et al.  Vertical four-electron-donor alkyne ligands in (tris(3,5-dimethylpyrazolyl)borato)niobium complexes , 1991 .

[21]  M. Curtis,et al.  Monocyclopentadienyl complexes of niobium(III) and tantalum(III). Structures of [Cp'NbCl(CO)2]2(.mu.-Cl)2 and Cp'NbCl2(ArCCAr) (Ar = p-tolyl) , 1989 .

[22]  J. L. Templeton.  Four-electron alkyne ligands in molybdenum(II) and tungsten(II) complexes , 1989 .

[23]  L. Messerle.  Metal-metal bonded dinuclear and organodimetallic complexes of the early transition metals (Groups 4 and 5): synthesis, structure, and reactivity , 1988 .

[24]  L. Lebioda,et al.  Poly(pyrazolyl)borate derivatives of chlorotrimethyltantalum(V). Synthesis, crystal structure, and stereochemically nonrigid behavior of seven-coordinate molecules , 1984 .

[25]  D. C. Bradley,et al.  Some novel 3,5-dimethylpyrazolylborato compounds: crystal and molecular structures of [B{Me2C3N2H}3{Me2C3N2H2}] and [HB{Me2C3N2H}3BH]+(TaCl6)– , 1984 .

[26]  L. Hubert-Pfalzgraf,et al.  Synthesis and characterisation of niobium(V) and niobium(IV) poly(1-pyrazolyl)borates , 1983 .

[27]  J. Huffman,et al.  Metal-metal-bonded complexes of the early transition metals. 4. Synthesis and characterization of the tantalum (II) dimer Ta/sub 2/Cl/sub 6/(PMe/sub 3/)/sub 4/ , 1982 .

[28]  R. Schrock,et al.  Preparation of tantalum .mu.-dinitrogen complexes from molecular nitrogen and reduced tantalum complexes , 1982 .

[29]  F. Albert Cotton,et al.  Multiple bonds between metal atoms , 1982 .

[30]  F. Cotton,et al.  Binuclear chloro complexes of tantalum(III) with tantalum-tantalum double bonds , 1981 .

[31]  J. Huffman,et al.  Metal-metal bonded complexes of the early transition metals: synthesis of a binuclear tantalum(III) trimethylphosphine complex and its reactions with hydrogen and ethylene , 1980 .

[32]  J. Clardy,et al.  Synthesis and characterization of new metal-metal bonded species. 2. Crystal and molecular structure of dimeric niobium(III) and tantalum(III) bromide adducts with tetrahydrothiophene. Direct stereochemical evidence of bonding electron density in confacial bioctahedra with metal-metal double bonds , 1978 .

[33]  L. Manzer.  Polypyrazolylborate complexes of titanium and vanadium , 1975 .