Oxidation of cyclohexene with tert-butylhydroperoxide and hydrogen peroxide catalyzed by alumina-supported manganese(II) complexes

被引：149
|
作者：
Salavati-Niasari, M
Farzaneh, F [1 ]
Ghandi, M
机构：
[1] Univ Tehran, Dept Chem, Tehran, Iran
[2] Univ Az Zahra, Dept Chem, Tehran, Iran
来源：
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2002年 / 186卷 / 1-2期
关键词：
Mn(II) complexes; acidic-alumina; oxidation of cyclohexene; heterogeneous catalyst; TBHP; H2O2;
D O I：
10.1016/S1381-1169(02)00045-6
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：
Alumina-supported Mn(II) complexes with ligands of acetylacetonato (acac), N.N'-ethylenebis(salicylideneiminato) (salen), ethylenediamine (en) and 2,2'-bipyridine (bpy) catalyze the oxidation of cyclohexene with tert-butylhydroperoxide (TBHP) and hydrogen peroxide. Oxidation of cyclohexene with TBHP gave 2-cyclohexene-1-ol, 2-cyclohexene-1-one and 1-(tert-butylperoxy)-2-cyclohexene whereas, oxidation with H2O2 resulted in the formation of cyclohexeneoxide and cyclohexene-1,2-diol. Mn(IT) catalysts with the nitrogen donor ligands show significantly higher catalytic activity than oxygen donor ligands at the same surface coverage. The mechanism of oxidation has also been discussed. (C) 2002 Published by Elsevier Science B.V.
引用
收藏
页码：101 / 107
页数：7
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