Oxidation of alcohols with tert-butylhydroperoxide catalyzed by Mn (II) complexes immobilized in the pore channels of mesoporous hexagonal molecular sieves (HMS)

被引：42
|
作者：
Mahdavi, Vahid [1 ]
Mardani, Mahdieh [1 ]
Malekhosseini, Maryam [1 ]
机构：
[1] Univ Arak, Dept Chem, Arak 38156, Iran
来源：
CATALYSIS COMMUNICATIONS | 2008年 / 9卷 / 13期
关键词：
Mn (II) complexes; HMS; benzyl alcohol; oxidation of alcohols;
D O I：
10.1016/j.catcom.2008.05.008
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 oxidation of alcohols with tert-butylhydroperoxide (TBHP), in the presence of Mn(2+) complexes immobilized in the pore channels of mesoporous hexagonal molecular sieves (HMS), were investigated. It was found that immobilized [Mn(bpy)(2)](2+)/HMS is an efficient catalyst for the oxidation of alcohols such as benzyl alcohol, n-hexanol and cyclohexanol. The effects of reaction time, amount of Mn(2+) in the catalyst, type of substrates and oxidants in this catalysis system were investigated. At optimum conditions, TBHP is more efficient oxidant with respect to H(2)O(2). Following order has been observed for the percentage of conversions of alcohols: benzylic > 1 degrees > 2 degrees. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：2201 / 2204
页数：4
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