Epoxidations of olefins catalysed by new Mn(II) salen immobilized mesoporous materials

被引：51
作者：
Choudary, BM [1 ]
Kantam, ML
Bharathi, B
Sreekanth, P
Figueras, F
机构：
[1] Indian Inst Chem Technol, Hyderabad 500007, Andhra Pradesh, India
[2] Inst Rech Catalyse, CNRS, F-69626 Villeurbanne, France
来源：
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2000年 / 159卷 / 02期
关键词：
epoxidations; olefins; Mn(II) salen; mesoporous materials; anchoring; recycling;
D O I：
10.1016/S1381-1169(00)00211-9
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：
Covalently anchored Mn(II) salen complexes on mesoporous materials have been prepared by direct condensation of prefabricated Mn complex on the support or via ensembling step-wise salen entities on the support and subsequent complexation. The resultant anchored complexes have been compared with the immobilised Mn(II) salen complexes on mesoporous materials prepared by the process of cationic exchange of a Mn(II) salen complex for the epoxidation of styrene and cyclic olefins with different oxidizing agents such as PhIO and m-chloroperbenzoic acid. Both types of samples show comparable structures but the anchored complexes can be recycled with perbenzoic acid as oxidant. (C) 2000 Elsevier Science B.V. All rights reserved.
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页码：417 / 421
页数：5
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