Hydrogen-peroxide epoxidation of natural olefins catalyzed by a dinuclear manganese complex

被引：18

作者：

Mandelli, D ^{[1
]}

Voitiski, KB

Schuchardt, U

Shul'pin, GB

机构：

[1] Catholic Univ, Inst Biol & Chem, BR-13020904 Sao Paulo, Brazil

[2] State Univ, Inst Chem, BR-13083970 Campinas, SP, Brazil

[3] Russian Acad Sci, NN Semenov Inst Chem Phys, Moscow 119991, Russia

来源：

CHEMISTRY OF NATURAL COMPOUNDS | 2002年 / 38卷 / 03期

基金：

俄罗斯基础研究基金会;

关键词：

terpenes; limonene; pinene; epoxidation; catalysis; hydrogen peroxide; manganese complexes;

D O I：

10.1023/A:1020475810141

中图分类号：

R914 [药物化学];

学科分类号：

100701 ;

摘要：

The complex of Mn(IV) with the macrocyclic N-containing ligand 1,4,7-trimethyl-1,4,7-triazacyclononane (L) [L2Mn2O3](PF6)(2) catalyzes epoxidation of (+)-limonene in CH3CN solution at room temperature. Adding CH3COOH accelerates the reaction. The products are isomers of limonene epoxide with predominance of that with an epoxified ring double bond. Epoxidation of alpha- and beta-pinene by this system is less effective, apparently due to extensive steric shielding of the double bonds in the pinenes.

引用

页码：243 / 245

页数：3

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