作者:Andrew J. Cornish、Michael F. Läppert
DOI:10.1016/0022-328x(84)85171-2
日期:1984.8
The two component (Ziegler) catalyst [Rh(acac)3]-AlEt3 (or an analogue with an alternative cocatalyst) has been investigated for the hydrosilylation by SiHX3 of alkynes, dienes, alkenes, styrene, or allylbenzene at 60° C. Terminal alkynes did not yield adducts, but internal alkynes RCCR′ gave products of cis-addition with SiHEt3 or SiHEt2Me (but not SiH(OEt)3), without regiospecificity for the case
已经研究了两种组分(齐格勒)催化剂[Rh(acac)3 ] -AlEt 3(或具有替代助催化剂的类似物)在60°C下通过SiHX 3进行炔烃,二烯,烯烃,苯乙烯或烯丙基苯的氢化硅烷化反应末端炔烃不产生加合物,但是内部炔烃RCCR'给出了与SiHEt 3或SiHEt 2 Me(但不是SiH(OEt)3)顺式加成的产物,对于R≠R'而言没有区域特异性。无环二烯与SiHX 3产生1/1加合物(X = Me,Et,OEt或OSiMe 3; 但X = Ph除外),主要是(或对于1,5-3-二烯而言,排他地)是1,4-加成的产物。在环状二烯中,只有环己-1,3-(或-1,4)-二烯被SiHEt 3氢化硅烷化,生成环己-2-烯基三乙基硅烷。仅将环辛-1,3-二烯重新排列为1,5-异构体,降冰片二烯聚合,未观察到与2,5-二甲基六-2,4-二烯的反应。内部直链烯烃RR'CCHR'',RR'CCR''