Synthesis and structures of some silylallyl-lithium or-potassium complexes

PB Hitchcock, MF Lappert, WP Leung, DS Liu…

Index: Hitchcock, Peter B.; Lappert, Michael F.; Leung, Wing-Por; Liu, Dian-Sheng; Mak, Thomas C. W.; Wang, Zhong-Xia Journal of the Chemical Society - Dalton Transactions, 1999 , # 8 p. 1257 - 1262

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Abstract

The η3-1, 3-bis (silyl) allyllithium [Li {η3-CH (CHSiMe2But)(CHSiMe2R)}(tmen)](R= But or Me) and 1, 3-bis (trimethylsilyl) cyclohexenyllithium [Li {C (SiMe3) CHC (SiMe3)(CH2) 2CH2}(tmen)] complexes were obtained by lithiation of the appropriate 1, 3-bis (silyl) propene or 1, 3-bis (trimethylsilyl) cyclohexene. The lithium complexes were transformed into the potassium complexes [K {CH (CHSiMe2But) 2}] or [K {C (SiMe3) CHC (SiMe3)( ...

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