COENZYME PQQ IN REDOX REACTIONS PROMOTED BY TRANSITION-METALS

被引：0

作者：

HIRAO, T ^{[1
]}

机构：

[1] OSAKA UNIV,FAC ENGN,DEPT APPL CHEM,SUITA,OSAKA 565,JAPAN

来源：

REVIEWS ON HETEROATOM CHEMISTRY | 1994年 / 11卷

关键词：

QUINONE; REDOX CYCLE; COMPLEXATION; OXIDATION; OXYGENATION;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Redox interaction of trimethyl ester of coenzyme PQQ (PQQTME) with transition metals is reviewed. Redox interconversion of PQQTME is performed using vanadium compounds in two different oxidation states, VCl2 and VO(OEt)(3). An efficient complex catalytic system consisting of PQQTME is developed in the palladium(II)-induced oxidation reactions. PQQTME serves as a coordinating o-quinone ligand, which forms an autocycling redox cycle under oxygen atmosphere. The Mn(III)TPPCl-catalyzed epoxidation of olefins with hydrogen peroxide is effectively enhanced by the mediation of o-quinones such as PQQTME.

引用

页码：207 / 220

页数：14

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