Synthesis of Silica-Polysiloxane-Supported Thiacrown Ether Platinum and Rhodium Complexes and Their Catalytic Behavior in the Hydrosilylation of Olefins with Triethoxysilane

Abstract

Abstract: Silica-polysiloxane-supported thiacrown ether platinum, rhodium complexes were prepared from 6- (ω -undecenyloxymethyl)-1-thia-4, 7, 10, 13-tetraoxacyclopentadecane via hydrosilylation with trlethoxysilane.The products were immobilized on fumed silica, sequentially, followed by reacting with potassium chloroplatinite or rhodium chloride.The complexes exhibited high catalytic activities for the hydrosilylation of olefins with triethoxysilane.

Key words: Thiacrown ether, Organosilicon polymer, Platinum complex, Rhodium complex, Hydrosilylation catalyst

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ZHANG Li-Feng, FANG Peng-Fei, LU Xue-Ran, CHEN Yuan-Yin. Synthesis of Silica-Polysiloxane-Supported Thiacrown Ether Platinum and Rhodium Complexes and Their Catalytic Behavior in the Hydrosilylation of Olefins with Triethoxysilane[J]. Chem. J. Chinese Universities, 1997, 18(3): 444.

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Synthesis of Silica-Polysiloxane-Supported Thiacrown Ether Platinum and Rhodium Complexes and Their Catalytic Behavior in the Hydrosilylation of Olefins with Triethoxysilane

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