Catalase and epoxidation activity of polynuclear manganese(III)-Schiff base complexes

被引：26

作者：

Krishnan, R ^{[1
]}

Vancheesan, S ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Chem, Madras 600036, Tamil Nadu, India

来源：

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 1999年 / 142卷 / 03期

关键词：

manganese; polynuclear; Schiff base; imidazole; H2O2; expoxidation;

D O I：

10.1016/S1381-1169(98)00346-X

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：

Polynucleating Schiff base ligands, poly(2,5-dihydroxyterephthalaldehyde ethylenediamine diprotonated) (PdhterenH(2)) and poly(2,5-dihydroxyterephthalaldehyde propyldiamine diprotonated) (PdhterpnH(2)) were synthesized by condensation reactions of 2,5-dihydroxyterephthalaldehyde (dhterH(2)) with ethylenediamine and propylenediamine, respectively. Insoluble polynuclear manganese(III)-Schiff base complexes, [Mn-n(Pdhteren)(OAc)(n)] 1 and [Mn-n(Pdhterpn)(OAc)(n)] 2 were prepared by refluxing manganese(III)-acetate and the respective polymeric Schiff bases in ethanol. The catalase activity of these complexes were studied in aqueous, dimethylformamide and methanol medium. These complexes catalyze the epoxidation of cyclohexene with H2O2 in the presence of imidazole. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：377 / 382

页数：6

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