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1998•Acta Scientiarum Naturalium Universitatis SunyatseniRequires access

SYNTHESIS AND CATALYTIC HYDROSILYLATION PROPERTY OF POLYSILOXANE-SUPPORTED MERCAPTOSELENAETHER PLATINUM OR RHODIUM COMPLEX

陈远荫, 张宝莲, 龚淑玲, 段和平, 卢雪然

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Abstract

Silica-bound mercaptoselenaether-containing silsesquioxane and its plat-inum or rhodium complex were synthesized from γ-(2,3-epithiopropyl) propyltrimethoxysi-lane via ring-opening reaction with bis(2-hydroxyethyl) sclenide, followed by hydrolysisand immobilization on fumed silica, and then reacting with potassium chloroplatinite orrhodium chloride in acetone under nitrogen atmosphere. It was found that two noble metalcomplexes can catalyze the hydrosilylation of olefins with triethoxysilane effectively. Theinfluences of temperature, the amount of complex used, the nature of olefin on catalyticactivity were investigated.

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What this paper is about

Silica-bound mercaptoselenaether-containing silsesquioxane and its plat-inum or rhodium complex were synthesized from γ-(2,3-epithiopropyl) propyltrimethoxysi-lane via ring-opening reaction with bis(2-hydroxyethyl) sclenide, followed by hydrolysisand immobilization on fumed silica, and then reacting with potassium chloroplatinite orrhodium chloride in acetone under nitrogen atmosphere. It was found that two noble metalcomplexes can catalyze the hydrosilylation of olefins with triethoxysilane effectively. Theinfluences of temperature, the amount of complex used, the nature of olefin on catalyticactivity were investigated.

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Available abstract

Silica-bound mercaptoselenaether-containing silsesquioxane and its plat-inum or rhodium complex were synthesized from γ-(2,3-epithiopropyl) propyltrimethoxysi-lane via ring-opening reaction with bis(2-hydroxyethyl) sclenide, followed by hydrolysisand immobilization on fumed silica, and then reacting with potassium chloroplatinite orrhodium chloride in acetone under nitrogen atmosphere. It was found that two noble metalcomplexes can catalyze the hydrosilylation of olefins with triethoxysilane effectively. Theinfluences of temperature, the amount of complex used, the nature of olefin on catalyticactivity were investigated.

Key concepts: Hydrosilylation, Fumed silica, Rhodium, Triethoxysilane, Catalysis, Polymer chemistry, Silsesquioxane, Olefin fiber

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SYNTHESIS AND CATALYTIC HYDROSILYLATION PROPERTY OF POLYSILOXANE-SUPPORTED MERCAPTOSELENAETHER PLATINUM OR RHODIUM COMPLEX — Research Paper | ScholarLens