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Tridentate Coordination Modes of Functionalized Titanocene Thiolates. Crystal Structure of [(eta(5)-C(5)H(4)SiMe(3))Ti(&mgr;-eta(5):kappa-P-C(5)H(4)PPh(2))(&mgr;-SPh)(2)W(CO)(3)]. 1998

Esther Delgado, and M. Angeles García, and Enrique Gutierrez-Puebla, and Elisa Hernández, and Noelia Mansilla, and Félix Zamora
Departamento de Química Inorgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain, and Instituto de Ciencia de Materiales, CSIC, Cantoblanco, 28049 Madrid, Spain.

Mixed monosubstituted cyclopentadienyl Ti(IV) derivatives [(eta(5)-C(5)H(4)R)(eta(5)-C(5)H(4)SiMe(3))Ti(SPh)(2)] (R = PPh(2), Ph(2)P=O, Ph(2)P=S) react with carbonylmetal fragments of group 6 to generate heterodinuclear compounds [(eta(5)-C(5)H(4)SiMe(3))Ti(&mgr;-eta(5):kappa-P-C(5)H(4)PPh(2))(&mgr;-SPh)(2)M(CO)(3)], [(eta(5)-C(5)H(4)SiMe(3))(SPh)Ti(&mgr;-eta(5):kappa-P-C(5)H(4)PPh(2))(&mgr;-SPh)M(CO)(4)], [(eta(5)-C(5)H(4)P(E)Ph(2))(eta(5)-C(5)H(4)SiMe(3))Ti(&mgr;-SPh)(2)M(CO)(4)] (M = Mo, W; E = O, S) and [(eta(5)-C(5)H(4)SiMe(3))Ti(&mgr;-eta(5):kappa-E-C(5)H(4)P(E)Ph(2))(&mgr;-SPh)(2)M(CO)(3)] (M = Mo, W; E = S or M = Mo, E = O). All complexes have been characterized by spectroscopic data. The crystal structure of [(eta(5)-C(5)H(4)SiMe(3))Ti(&mgr;-eta(5):kappa-P-C(5)H(4)PPh(2))(&mgr;-SPh)(2)W(CO)(3)] has been determined by X-ray diffraction techniques, and it was confirmed that the titanium precursor acts as a tridentate metalloligand. The complex crystallizes in the orthorhombic system in space group Pna2(1); a = 23.081(2) Å, b = 14.3046(9) Å, c = 11.6892(8) Å; Z = 4.

UI MeSH Term Description Entries

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