Epoxidation of 1-Octene with tert-Butyl Hydroperoxide Catalyzed by ZrO2/Aerosil-SiO2

被引:0
|
作者
Hiroyoshi Kanai
Yasuhiro Okumura
Kazunori Utani
Kazuhiko Hamada
Seiichiro Imamura
机构
[1] Kyoto Prefectural University,Department of Environmental Information
[2] Kyoto Institute of Technology,Department of Chemistry
[3] Research Division,undefined
[4] Pias Corporation,undefined
来源
Catalysis Letters | 2001年 / 76卷
关键词
epoxidation; ZrO; /SiO; 1-octene; -butyl hydroperoxide; XANES; ESR; Aerosil-SiO;
D O I
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中图分类号
学科分类号
摘要
Oxidation of 1-octene was carried out with tert-butyl hydroperoxide at 343 K over ZrO2/Aerosil-SiO2. Loading of less than 10 mol% of ZrO2 on ultrafine Aerosil-SiO2 gave exclusively 1,2-epoxyoctane. The pre-edge peak area of Zr K-edge XANES and g values of the ESR signals of O2− species on ZrO2/SiO2 discriminate structures of ZrO2. On the basis of these analyses it is concluded that the coordinatively unsaturated zirconium oxide is responsible for the selective epoxidation of 1-octene with tert-butyl hydroperoxide.
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页码:207 / 211
页数:4
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