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1992•Acta Polymerica SinicaRequires access

SYNTHESIS OF POLY-4,7-DITHIANONYLSILSESQUIOXANE RHODIUM COMPLEX AND ITS CATALYTIC BEHAVIOR FOR THE HYDROSILYLATION OF OLEFINS WITH TRIETHOXYSILANE

Zhenlin Zhong

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Abstract

In this paper, we described the synthesis, structure, catalytic behavior of a new type of polymer-bound coordinate catalyst, silica-bound poly 4, 7-dithianonylsilsesquioxane rhodium complex. The complex exhibited good catalytic activity for the hydrosilylation reaction of olefins with trie-thoxysilane at 110 to 130℃. Even if the amount of complex used was lowered to the molar ratio of 10-5(rhodium to olefin), the hydrosilylation reaction took place smoothly and the turnover number of olefin was more than 80,000 in such a case. The structure of the polymer ligand was discussed in detail, and the possible structure of coordinate center was suggested.

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In this paper, we described the synthesis, structure, catalytic behavior of a new type of polymer-bound coordinate catalyst, silica-bound poly 4, 7-dithianonylsilsesquioxane rhodium complex. The complex exhibited good catalytic activity for the hydrosilylation reaction of olefins with trie-thoxysilane at 110 to 130℃. Even if the amount of complex used was lowered to the molar ratio of 10-5(rhodium to olefin), the hydrosilylation reaction took place smoothly and the turnover number of olefin was more than 80,000 in such a case. The structure of the polymer ligand was discussed in detail, and the possible structure of coordinate center was suggested.

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Available abstract

In this paper, we described the synthesis, structure, catalytic behavior of a new type of polymer-bound coordinate catalyst, silica-bound poly 4, 7-dithianonylsilsesquioxane rhodium complex. The complex exhibited good catalytic activity for the hydrosilylation reaction of olefins with trie-thoxysilane at 110 to 130℃. Even if the amount of complex used was lowered to the molar ratio of 10-5(rhodium to olefin), the hydrosilylation reaction took place smoothly and the turnover number of olefin was more than 80,000 in such a case. The structure of the polymer ligand was discussed in detail, and the possible structure of coordinate center was suggested.

Key concepts: Hydrosilylation, Triethoxysilane, Olefin fiber, Rhodium, Catalysis, Polymer chemistry, Polymer, Ligand (biochemistry)

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SYNTHESIS OF POLY-4,7-DITHIANONYLSILSESQUIOXANE RHODIUM COMPLEX AND ITS CATALYTIC BEHAVIOR FOR THE HYDROSILYLATION OF OLEFINS WITH TRIETHOXYSILANE — Research Paper | ScholarLens