Silica-supported Polysiloxanes with Dithiacrown Ether Groups and Their Platinum Complexes  

作　　者：CHEN Yuan-yin, LU Xue-ran and SONG Xiao-ping(Department of Chemistry, Wuhan University, Wuhan, 430072) 

出　　处：《Chemical Research in Chinese Universities》1992年第4期439-444,共6页高等学校化学研究（英文版）

基　　金：Supported by the Fund for Ph.D. programme from State Education Commission

摘　　要：The present paper represents the syntheses of polypropyloxymethyldithia 15-crown-5 and 18-crown-6 supported on silica and their platinum complexes. The platinum complexes are effective catalysts for the hydrosilylation of olefins with triethoxysilane. The influences of temperature, amount of platinum complexes used and the nature of olefins used on the catalytic activity of the complexes are also investigated in this paper.The present paper represents the syntheses of polypropyloxymethyldithia 15-crown-5 and 18-crown-6 supported on silica and their platinum complexes. The platinum complexes are effective catalysts for the hydrosilylation of olefins with triethoxysilane. The influences of temperature, amount of platinum complexes used and the nature of olefins used on the catalytic activity of the complexes are also investigated in this paper.

关 键 词：Functionalized polysiloxane Thiacrown ether Platinum complex Hydrosilyla-tion catalyst 

分 类 号：O6[理学—化学]