Synthesis of dendritic polyoxometalate complexes assembled by ionic bonding and their function as recoverable and reusable oxidation catalysts

被引：123

作者：

Plault, L

Hauseler, A

Nlate, S

Astruc, D

Ruiz, J

Gatard, S

Neumann, R

机构：

[1] Univ Bordeaux 1, Nanosci & Catalysis Grp, LCOO, CNRS,UMR N 5802, F-33405 Talence, France

[2] Weizmann Inst Sci, Dept Organ Chem, IL-76100 Rehovot, Israel

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2004年 / 43卷 / 22期

关键词：

dendrimers; epoxidation; homogeneous catalysis; polyoxometalates; tungsten;

D O I：

10.1002/anie.200453870

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Regenerable and reusable dendritic catalysts have been synthesized by the ionic assembly of polyammonium dendrimers and polyoxometalate (POM) trianionic units. These dendrimers (see example depicted, in which the POM is [PO 4{WO(O2)2}4]3-) are found to catalyze, at ambient temperature, the quantitative epoxidation of olefins by H2O2 in water/ CDCl3 and the selective and quantitative oxidation of thioanisole to its sulfone.

引用

页码：2924 / 2928

页数：5

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