Polyoxovanadometalate-catalyzed selective epoxidation of alkenes with hydrogen peroxide

被引：166

作者：

Nakagawa, Y

Kamata, K

Kotani, M

Yamaguchi, K

Mizuno, N

机构：

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

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

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2005年 / 44卷 / 32期

关键词：

alkenes; epoxidation; hydrogen peroxide; polyoxometalates; vanadium;

D O I：

10.1002/anie.200500491

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The bis(μ-hydroxo)-bridged dioxovanadium site in [γ-1,2-H 2SiV2W10O40]4 catalyzes the epoxidation of alkenes in the presence of only one equivalent of H 2O2 with a high yield of epoxide, high efficiency of H2O2 utilization, unusual regioselectivity, and unprecedented diastereoselectivity (see picture). (Chemical Equation Presented) © 2005 Wiley-VCH Verlag GmbH & Co. KGaA.

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收藏

页码：5136 / 5141

页数：6

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