Efficient, regioselective epoxidation of dienes with hydrogen peroxide catalyzed by [γ-SiW10O34(H2O)2]4-

被引：57

作者：

Kamata, K

Nakagawa, Y

Yamaguchi, K

Mizuno, N

机构：

[1] Japan Sci & Technol Agcy, CREST, Kawaguchi, Saitama 3320012, Japan

[2] Univ Tokyo, Sch Engn, Dept Appl Chem, Bunkyo Ku, Tokyo 1138656, Japan

来源：

JOURNAL OF CATALYSIS | 2004年 / 224卷 / 01期

基金：

日本科学技术振兴机构;

关键词：

D O I：

10.1016/j.jcat.2004.02.027

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A divacant, lacunary, Keggin-type silicotungstate, [gamma-SiW10O34(H2O)(2)](4-), exhibits high catalytic performance for the epoxidation of various nonconjugated dienes using hydrogen peroxide under mild conditions, high regioselectivity to the more accessible double bonds, and high efficiency of hydrogen peroxide utilization. The high regioselectivity for the [gamma-SiW10O34(H2O)(2)](4-)-catalyzed epoxidation would be caused by the steric hindrance of the active site. (C) 2004 Elsevier Inc. All rights reserved.

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页码：224 / 228

页数：5

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