Catalytic P H Activation by Ti and Zr Catalysts

…, AJ Hoskin, TW Graham, C Beddie…

Index: Masuda, Jason D.; Hoskin, Aaron J.; Graham, Todd W.; Beddie, Chad; Fermin, Maria C.; Etkin, Nola; Stephan, Douglas W. Chemistry - A European Journal, 2006 , vol. 12, # 34 p. 8696 - 8707

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Citation Number: 69

Abstract

Abstract Catalytic dehydrocoupling of phosphines was investigated using the anionic zirconocene trihydride salts [Cp* 2 Zr (μ-H) 3 Li] 3 (1 a) or [Cp* 2 Zr (μ-H) 3 K (thf) 4](1 b), and the metallocycles [CpTi (NPtBu 3)(CH 2) 4](6) and [Cp* M (NPtBu 3)(CH 2) 4](M= Ti 20, Zr 21) as catalyst precursors. Dehydrocoupling of primary phosphines RPH 2 (R= Ph, C 6 H 2 Me 3, Cy, C 10 H 7) gave both dehydrocoupled dimers RP (H) P (H) R or cyclic ...