Cyclohexene oxidation with tert-butylhydroperoxide and hydrogen peroxide catalyzed by new square-planar manganese(II), cobalt(II), nickel(II) and copper(II) bis(2-mercaptoanil)benzil complexes supported on alumina

被引：29
作者：
Salavati-Niasari, Masoud [1 ]
Babazadeh-Arani, Hassan [1 ]
机构：
[1] Univ Kashan, Dept Chem, Kashan 51167, Iran
来源：
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2007年 / 274卷 / 1-2期
关键词：
alumina; oxidation; cyclohexene; Schiff-base;
D O I：
10.1016/j.molcata.2007.04.031
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：
New square-planar manganese(II), copper(II), nicke(II) and cobalt(II) complexes of a tetradentate Schiff-base ligand "bis(2-mercaptoanil)benzil, H-2[mabenzil]" have been prepared and characterized by elemental analyses, IR, UV-vis, conductometric and magnetic measurements. The results suggest that the symmetrical Schiff-base is a bivalent anion with tetradentate N2S2 donors derived from the thiopbenole groups and azomethine nitrogen. The formulae was found to be [M(mabenzil)] for the 1:1 non-electrolytic complexes. Alumina-supported metal complexes (ASMC; [M(mabenzil)/Al2O3]) catalyze the oxidation of cyclohexene with tert-buthylhydroperoxide (TBHP) and H2O2. (c) 2007 Elsevier B.V. All rights reserved.
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收藏
页码：58 / 64
页数：7
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