Effect of portionwise addition of oxidant in asymmetric vanadium-catalyzed sulfide oxidation

被引：52

作者：

Karpyshev, NN ^{[1
]}

Yakovleva, OD ^{[1
]}

Talsi, EP ^{[1
]}

Bryliakov, KP ^{[1
]}

Tolstikova, OV ^{[1
]}

Tolstikov, AG ^{[1
]}

机构：

[1] Boreskov Inst Catalysis, Novosibirsk 630090, Russia

来源：

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2000年 / 157卷 / 1-2期

关键词：

V(IV)-complexes; chiral Shiff bases; sulfides; sulfoxides; asymmetric oxidation;

D O I：

10.1016/S1381-1169(00)00037-6

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：

Portionwise addition of hydrogen peroxide markedly augments enantioselectivity of sulfide to sulfoxide oxidation catalyzed by vanadium (IV)-Shiff base complexes, and this effect cannot be explained by temperature fluctuations. V-51 NMR spectra of reaction mixture detect two chiral peroxo complexes and one achiral diperoxo compound. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：91 / 95

页数：5

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