Recyclable carbon supported copper-manganese oxide for selective aerobic oxidation of alcohols in combination with 2,2,6,6-tetramethylpiperidyl-1-oxyl under neutral condition

被引：71

作者：

Yang, Guanyu ^{[1
]}

Zhu, Weimin ^{[1
]}

Zhang, Panke ^{[1
]}

Xue, Huazhen ^{[1
]}

Wang, Wei ^{[1
]}

Tian, Junshan ^{[1
]}

Song, Maoping ^{[1
]}

机构：

[1] Zhengzhou Univ, Dept Chem, Zhengzhou 450052, Peoples R China

来源：

ADVANCED SYNTHESIS & CATALYSIS | 2008年 / 350卷 / 04期

关键词：

aerobic oxidation; alcohols; carbon; catalysis; copper-manganese mixed oxide; 2,2,6,6-tetramethylpiperidyl-1-oxyl (TEMPO);

D O I：

10.1002/adsc.200700513

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Due to the promotion of the surface area and the dispersion of active components upon supporting mixed metal oxides on the porous material active carbon, the copper-manganese oxide on carbon system has been proven to be much more efficient than the co-precipitation prepared Cu-Mn oxide in mediating the 2,2,6,6-tetramethylpiperidyl-1-oxyl (TEMPO)-catalyzed aerobic oxidation of alcohols. Even at 30 degrees C and with a 0.1 mol% load of TEMPO, the oxidations proceeded smoothly. Upon catalysis with the Cu-Mn oxide/C (10 wt%) and TEMPO (0.5-5 mol%), various alcohols were oxidized selectively to the corresponding aldehydes or ketones with molecular oxygen at 80 degrees C. Such a stable, recyclable heterogeneous cocatalyst permits alcohols to be oxidized under neutral and mild conditions.

引用

页码：542 / 546

页数：5

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