N,N-双(β-甲硫乙基)γ-(三乙氧硅基)丙胺单独或与十二烷基三乙氧基硅烷一起以气相法二氧化硅固载,再与三氯化铑反应,合成了聚γ-[N,N-双(β-甲硫乙基)胺基]丙基倍半硅氧烷铑配合物.二者均能有效地催化烯烃与三乙氧基硅烷的硅氢加成反应,底物的单程转化数可达2万. N, N-bis (β-methylthioethyl) γ- (triethoxysilyl) propylamine, alone or in combination with dodecyltriethoxysilane, is supported on fumed silica followed by trichlorination Rhodium, poly (γ- [N, N-bis (β-methylthioethyl) amino] propylsilsesquioxane rhodium complexes were synthesized, both of which were effective in catalyzing the reaction of olefins with triethoxysilane Hydrosilylation reaction, the substrate of the one-way conversion up to 20,000.