Journal
POLYHEDRON
Volume 30, Issue 7, Pages 1238-1243Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2011.01.031
Keywords
P ligands; Zirconium; Hafnium
Categories
Funding
- Polish Ministry of Science and Higher Education [N N204 271535]
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Reactions of R2P-P(SiMe3)Li with [Cp2MCl2] (M = Zr, Hf) in hydrocarbons yield the related terminal phosphanylphosphido complexes [Cp2M(Cl){(Me3Si)P-PR2-kappa P-1}] (R = Pr-i and Bu-t). The solid state structures of [Cp2M(Cl)(P(SiMe3)-(PPr2)-Pr-i-kappa P-1)] (M = Zr, Hf) were established by single crystal X-ray diffraction studies. The phosphido-P atoms adopt almost planar geometries and the phosphanyl P atoms adopt pyramidal geometries. The reaction of a mixture of (Me3Si)(2)PLi and Ph2P-P(SiMe3)Li with [CpZrCl3] in toluene yields the dinuclear complex [Cp2Zr2Cl5(Ph2PPPSiMe3)(Li THF DME)]. (C) 2011 Elsevier Ltd. All rights reserved.
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