Convenient synthesis of (triphenyl) germyl and (triphenydstannyl substituted allenes

K Ruitenberg, H Westmijze, H Kleijn…

Index: Ruitenberg, K.; Westmijze, H.; Kleijn, H.; Vermeer, P. Journal of Organometallic Chemistry, 1984 , vol. 277, # 2 p. 227 - 234

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Citation Number: 19

Abstract

Allenyl-germanes and-stannanes, Ph3MC (R)= C= CR′ R ″(M= Ge, Sn) can be obtained, generally in excellent yield, through alkylcopper (I)-induced 1, 3-substitution of the propargylic chlorides Ph3MCCCR′ R ″Cl. In the tin series, however transmetallation is the main process when MeCu, H2C= CHCu or PhCu are used. The allenyl compounds in which R is (trimethylsilyl) ethynyl or 4, 4-dimethyl-1, 2-pentadienyl can be obtained by using the ...