期刊
CATALYSIS COMMUNICATIONS
卷 15, 期 1, 页码 52-55出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2011.08.012
关键词
Alkene epoxidation; Manganese oxides; Hydrogen peroxide
资金
- National Natural Science Foundation of China [20773069]
- Specialized Research Fund for the Doctoral Program of Higher Education [200800551017, 20100031120029]
- Fundamental Research Funds for the Central Universities
- MOE [IRT-0927]
A series of manganese oxides (MnO, Mn(3)O(4), Mn(2)O(3) and MnO(2)) were prepared and firstly applied as heterogeneous catalysts for the liquid phase epoxidation of alkenes with 30% H(2)O(2) in bicarbonate solution. Under our experimental conditions. MnO exhibited superior activity for the conversion of styrene to achieve ca. 100% with 92.4% selectivity of epoxide, compared to the other three manganese oxides as well as other metal oxides. Furthermore, recycling studies showed the good recyclability of MnO as a heterogeneous catalyst, which did not lose the catalytic activity after four reuses appreciably. (C) 2011 Published by Elsevier B.V.
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