Selective H2O2 oxidation of organic sulfides to sulfoxides catalyzed by cobalt(III)-salen ion

被引：38
作者：
Jayaseeli, A. Mary Imelda [1 ,2 ]
Ramdass, Arumugam [2 ]
Rajagopal, Seenivasan [2 ]
机构：
[1] Jayaraj Annapackiam Coll Women, Dept Chem, Periyakulam 625601, India
[2] Madurai Kamaraj Univ, Sch Chem, Madurai 625021, Tamil Nadu, India
来源：
POLYHEDRON | 2015年 / 100卷
关键词：
Cobalt(III)-salen; H2O2; oxidation; Michaelis-Menten kinetics; Organic sulfides; Sulfoxides; HYDROLYTIC KINETIC RESOLUTION; SCHIFF-BASE COMPLEXES; RING-OPENING POLYMERIZATION; ELECTRON-TRANSFER REACTIONS; MN(III) SALEN COMPLEXES; MESOPOROUS SILICA-GEL; COBALT-SALEN; ASYMMETRIC CATALYSIS; HYDROGEN-PEROXIDE; PROPYLENE-OXIDE;
D O I：
10.1016/j.poly.2015.07.020
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The catalytic activity of cobalt(III)-salen ion catalyzed selective H2O2 oxidation of organic sulfides to sulfoxides is examined using spectrophotometric technique. The catalytic reaction proceeds through Michaelis-Menten kinetics and the rate of the reaction is highly sensitive to the nature of the substituent present in the substrate as well as in the salen ligand. The product analyses show that the aryl methyl sulfides are selectively oxidized to the corresponding sulfoxides. Based on the spectral and kinetic studies two possible mechanisms have been proposed. (C) 2015 Elsevier Ltd. All rights reserved.
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页码：59 / 66
页数：8
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