Synthesis of Poly-4-oxa-6,7-dimethylselenoheptylsiloxane Palladium (O) Complex and Its Catalytic Properties

Chin. J. Org. Chem. ›› 2003, Vol. 23 ›› Issue (6): 555-558. Previous Articles Next Articles

聚-4-氧杂0-6，7-二甲硒基庚基硅氧烷钯（0）配合物的合成及其催化性能研究

蔡明中;赵红;黄义争

江西师范大学化学学院;上饶师范学院化学系

发布日期:2003-06-25

Synthesis of Poly-4-oxa-6,7-dimethylselenoheptylsiloxane Palladium (O) Complex and Its Catalytic Properties

Cai Mingzhong;Zhao Hong;Huang Yizheng

Institute of Chemistry,Jiangxi Normal University;Department of Chemistry,Shangrao Techers' College

Published:2003-06-25

Abstract

A silica-supported poly-4-oxa-6,7-dimethylselenoheptylsiloxane palladium(O) complex has been prepared from 4-oxa-6,7- dichloroheptyltrimethoxysilane via immobilization on fume silica, followed by reacting with sodium methylselenolate and palladium chloride, and then reducting with hydrazine hydrate. A possible structure pattern of the polymeric palladium(O) complex has been suggested. The title complex exhibits high activity and stereoselectivity in Heck arylation of styrene or acrylic acid with aryl iodides. This polymeric palladium(O) catalyst is stable and can be reused without noticeable loss of activity.

Key words: SILANE P;SILICON DIOXIDE;ORGANO SELENIUM COMPOUNDS;STEREOSELECTIVITY, HYDRAZINE HYDRATE;STYRENE;ACRYLIC ACID

CLC Number:

O621

Cite this article

Cai Mingzhong;Zhao Hong;Huang Yizheng. Synthesis of Poly-4-oxa-6,7-dimethylselenoheptylsiloxane Palladium (O) Complex and Its Catalytic Properties[J]. Chin. J. Org. Chem., 2003, 23(6): 555-558.

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聚-4-氧杂0-6，7-二甲硒基庚基硅氧烷钯（0）配合物的合成及其催化性能研究

Synthesis of Poly-4-oxa-6,7-dimethylselenoheptylsiloxane Palladium (O) Complex and Its Catalytic Properties

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