SYNTHESIS OF POLY-4,7-DITHIANONYLSESQUISILOXANE PLATINUM COMPLEX AND ITS CATALYTIC ACTIVITY ON HYDROSILYLATION OF OLEFINS WITH TRIETHOXYSILANE

Chinese Journal of Applied Chemistry ›› 1992, Vol. 0 ›› Issue (3): 26-30.

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SYNTHESIS OF POLY-4,7-DITHIANONYLSESQUISILOXANE PLATINUM COMPLEX AND ITS CATALYTIC ACTIVITY ON HYDROSILYLATION OF OLEFINS WITH TRIETHOXYSILANE

Chen Yuanyin, Lu Xueran, Zhong Zhenlin

Department of Chemistry, Wuhan University, Wuhan 430072

Received:1990-11-19 Revised:1991-06-25 Published:1992-06-10 Online:1992-06-10

Abstract

Abstract: Fume silica-bound poly-4,7-dithianonylsesquisiloxane platinum complex was prepared from 4,7-dithianonyltrimethoxysilane and fume silica via hydrolysis, followed by treatment with potassium chloroplatinite in acetone under Ar atmosphere. The complex exhibited a high catalytic actvity on the hydrosilylation of olefins with triethoxysilane. Even at a molar ratio of olefin to complex of 10⁵, the hydrosilylation reaction took place smoothly with the turnover number more than 80000.

Key words: supported catalyst, bidentate sulfide-platinum complex, hydrosilylation, polythiasiloxane

Chen Yuanyin, Lu Xueran, Zhong Zhenlin. SYNTHESIS OF POLY-4,7-DITHIANONYLSESQUISILOXANE PLATINUM COMPLEX AND ITS CATALYTIC ACTIVITY ON HYDROSILYLATION OF OLEFINS WITH TRIETHOXYSILANE[J]. Chinese Journal of Applied Chemistry, 1992, 0(3): 26-30.

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SYNTHESIS OF POLY-4,7-DITHIANONYLSESQUISILOXANE PLATINUM COMPLEX AND ITS CATALYTIC ACTIVITY ON HYDROSILYLATION OF OLEFINS WITH TRIETHOXYSILANE

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