photocatalytic hydrosilylation of a variety of linear and cyclic alkenes has been investigated. It was found that the freeradical type photoinitiator Irgacure 2959 had a better effect on the hydrosilylation reaction; using 3 mol% photoinitiator Irgacure 2959, higher conversion rates can be obtained in the hydrosilylation of both some internal and terminal olefins. A new green method for hydrosilylation processes
Highly active cobalt complex catalysts used for alkene hydrosilylation
作者:Yu Liu、Jiayun Li、Ying Bai、Jiajian Peng
DOI:10.1002/aoc.6315
日期:2021.9
investigated. FeCl2/1(N1, N1, N2, N2-Tetrakis[(diphenylphosphino)methyl]ethane-1,2-diamine) showed low catalytic activity. MnCl2/1, CrCl3/1 and NiCl2/1 showed some catalytic activity. The CoCl2/N,P-ligand catalyst system showed high activity as well as excellent selectivity (The selectivity of the β-adduct was ~100%.) in the hydrosilylation reaction. CoCl2/1 showed the highest catalytic activity (~ >99.9% conversion
合成了一系列氮膦配体,并研究了在这些配体存在下使用MCl 2催化烯烃的氢化硅烷化反应。FeCl 2 / 1 ( N 1 , N 1 , N 2 , N 2 -Tetrakis[(二苯基膦基)甲基]乙烷-1,2-二胺)显示出低催化活性。MnCl 2 / 1、 CrCl 3 / 1和NiCl 2 / 1表现出一定的催化活性。CoCl 2 / N , P-配体催化剂体系在氢化硅烷化反应中表现出高活性和优异的选择性(β-加合物的选择性为~100%。)。CoCl 2 / 1显示出最高的催化活性(~>99.9% 的 1-辛烯转化率)。此外,未检测到 α-加合物、脱氢硅烷化产物和辛烷。
Alkene hydrosilylation catalyzed by easily assembled Ni(<scp>ii</scp>)-carboxylate MOFs
作者:Zhikun Zhang、Lichen Bai、Xile Hu
DOI:10.1039/c9sc00126c
日期:——
Easily-assembled Ni MOFs are efficient and robust catalysts for alkene hydrosilylation.