Interconversion and reactivity of manganese silyl, silylene, and silene complexes
作者:Jeffrey S. Price、David J. H. Emslie
DOI:10.1039/c9sc04513a
日期:——
4Bu : R = n Bu) reacted with ethylene to form silene hydride complexes [(dmpe)2MnH(RHSi[double bond, length as m-dash]CHMe)] (6Ph,H : R = Ph, 6Bu,H : R = n Bu). Compounds 6R,H reacted with a second equivalent of ethylene to generate [(dmpe)2MnH(REtSi[double bond, length as m-dash]CHMe)] (6Ph,Et : R = Ph, 6Bu,Et : R = n Bu), resulting from apparent ethylene insertion into the silene Si-H bond. Furthermore
二甲硅烷基氢化锰配合物 [(dmpe)2MnH(SiH2R)2] (4Ph : R = Ph, 4Bu : R = n Bu) 与乙烯反应形成氢化硅烷配合物 [(dmpe)2MnH(RHSi[双键, 长度为 m -dash]CHMe)] (6Ph,H : R = Ph, 6Bu,H : R = n Bu)。化合物 6R,H 与第二当量的乙烯反应生成 [(dmpe)2MnH(REtSi[双键, 长度为 m-dash]CHMe)] (6Ph,Et : R = Ph, 6Bu,Et : R = n Bu ),这是由于乙烯明显插入到硅烷 Si-H 键中。此外,在没有乙烯的情况下,硅烷络合物 6Bu,H 缓慢异构化为氢化硅烷络合物 [(dmpe)2MnH([双键,长度为 m-dash]SiEt n Bu)] (3Bu,Et )。4R 与乙烯的反应可能通过低配位甲硅烷基 [(dmpe)2Mn(SiH2R)]