A polymer-supported lewis acid catalyst, polystyrene-boron tribromide complex I. Preparation and application in organic synthesis

Chin. J. Org. Chem. ›› 1987, Vol. 7 ›› Issue (4): 268-272. Previous Articles Next Articles

Original Articles

高分子载体Lewis酸催化剂.聚苯乙烯-三溴化硼复合物I. 制备及其在有机合成中的应用

冉瑞成;裴伟伟;贾欣茹;吴相洪

北京大学化学系

发布日期:1987-08-25

A polymer-supported lewis acid catalyst, polystyrene-boron tribromide complex I. Preparation and application in organic synthesis

RAN RUICHENG;PEI WEIWEI;JIA XINRU;WU XIANGHONG

Published:1987-08-25

Abstract

The beads of polystyrene-divinylbenzene (5%) copolymer are combined with BBr3 in chloroform to form a stable complex containing 1.99% of bromine which correspond to 7.91 ?10-5 mol BBr3/1 g complex beads. The complex beads can be used to catalyze various organic reactions such as acetalization, ketal formation, esterifications, etherification and the Friedel-Crafts alkylations; some of them are in high yields. The complex as a polymer-supported Lewis acid catalyst is easy to produce and convenient to use; also can be reused.

Key words: HETERGENOUS CATALYSIS, CATALYST, POLYSTYRENE, ESTERIFICATION, BORON COMPOUNDS, ORGANIC SYNTHESIS, ELECTRON ACCEPTOR, CARRIERS, BROMIDE, APPLICATION

CLC Number:

O631.3

Cite this article

RAN RUICHENG;PEI WEIWEI;JIA XINRU;WU XIANGHONG. A polymer-supported lewis acid catalyst, polystyrene-boron tribromide complex I. Preparation and application in organic synthesis[J]. Chin. J. Org. Chem., 1987, 7(4): 268-272.

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高分子载体Lewis酸催化剂.聚苯乙烯-三溴化硼复合物I. 制备及其在有机合成中的应用

A polymer-supported lewis acid catalyst, polystyrene-boron tribromide complex I. Preparation and application in organic synthesis

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