Aerobic oxidation of sulfides catalysed by cobalt(II) complexes under homogeneous and heterogeneous conditions

被引：65

作者：

DellAnna, MM ^{[1
]}

Mastrorilli, P ^{[1
]}

Nobile, CF ^{[1
]}

机构：

[1] POLITECN BARI,CTR STUDI METODOL INNOVATIVE SINTESI ORGAN,CNR,IST CHIM,I-70126 BARI,ITALY

来源：

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 1996年 / 108卷 / 02期

关键词：

sulphoxidation; beta-ketoesterates; heterogeneous reactions; cobalt; supported catalysts; polymer-supported catalysis;

D O I：

10.1016/1381-1169(95)00302-9

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：

The Co(II)-catalysed oxidation of alkyl- and aryl-sulfides was achieved under homogeneous and heterogeneous conditions using oxygen or air as the oxidant in the presence of excess aldehyde. The reactions in the homogeneous phase were carried out using the soluble Co(acac)(2) or Co(AAEMA)(2) complexes (AAEMA(-) = deprotonated form of 2-(acetoacetoxy)ethyl methacrylate) whereas the heterogeneous catalytic tests were carried out using the copolymers obtained by reaction of Co(AAEMA)(2) with acrylamides. Under suitable conditions excellent conversions and very good selectivities were achieved both in homogeneous and in heterogeneous phase. The supported complexes were recyclable with negligible loss of efficiency and did not suffer from metal leaching.

引用

页码：57 / 62

页数：6

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