Convenient synthesis of (triphenyl)germyl and (triphenydstannyl substituted allenes
作者:K. Ruitenberg、H. Westmijze、H. Kleijn、P. Vermeer
DOI:10.1016/0022-328x(84)80703-2
日期:1984.12
Allenyl-germanes and -stannanes, Ph3MC(R)CCR′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, H2CCHCu or PhCu are used. The allenyl compounds in which R is (trimethylsilyl)ethynyl or 4,4-dimethyl-1,2-pentadienyl can
通过烷基铜(I)诱导的1,3-取代,可以以极好的收率获得烯丙基-锗烷和-锡烷,Ph 3 MC(R)CCR'R“(M = Ge,Sn)。炔氯化物博士3 MCCCR'R“CL。在锡系列,但是金属转移的主要处理时MECU,H 2被用于CCHCu或PhCu。R为(三甲基甲硅烷基)乙炔基或4,4-二甲基-1,2-戊二烯基的烯丙基化合物可通过使用有机锌化合物代替铜(I)化合物并使用四(三苯基膦)钯作为催化剂而获得。