Polyfluorinated quaternary ammonium salts of polyoxometalate anions: Fluorous biphasic oxidation catalysis with and without fluorous solvents

被引：60

作者：

Maayan, G ^{[1
]}

Fish, RH ^{[1
]}

Neumann, R ^{[1
]}

机构：

[1] Univ Calif, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

来源：

ORGANIC LETTERS | 2003年 / 5卷 / 20期

关键词：

D O I：

10.1021/ol0348598

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Polyfluorinated quaternary ammonium cations, [CF3(CF2)(7)(CH2)(3)](3)CH3N+ (RFN+), were synthesized and used as countercations for the [WZnM2(H2O)(2)(ZnW9O34)(2)](12-) (M = Mn(II), Zn(II)) polyoxometalate. The (RFN+)(12)[WZnM2(H2O)(2)(ZnW9O34)(2)] compounds were fluorous biphasic catalysts for alcohol and alkenol oxidation, and alkene epoxidation with aqueous hydrogen peroxide. Reaction protocols with or without a fluorous solvent were tested. The catalytic activity and selectivity was affected by both the hydrophobicity of the solvent and the substrate.

引用

页码：3547 / 3550

页数：4

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