Elimination Reactions of Ethylene Halohydrins on Solid Catalysts
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概要
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Elimination reactions of ethylene chlorohydrin and ethylene bromohydrin were studied over solid acids, solid bases, and metals supported by silica gel at 300°C using a microcatalytic gas chromatographic technique in order to elucidate the relationship between the elimination selectivity and the nature of active sites. Acetaldehyde was exclusively formed on solid acids and MgO. However, ethylene oxide as well was formed on solid bases. The ratio seems to depend on the basic strength of the solid bases. On the metals, ethylene was formed in addition to acetaldehyde. The former was the principal product on Pd and Pt. From these results, it was concluded that acetaldehyde was formed on acidic sites by halide-ion abstraction; ethylene oxide, on basic sites by proton abstraction, and ethylene, on less polar sites of metals by halogen atom abstraction.
- 公益社団法人 日本化学会の論文
著者
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Kato Akio
Department Of Agricultural Chemistry Faculty Of Agriclture Yamaguchi University
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Mochida Isao
Department of Applied Chemistry, Faculty of Engineering, Kyushu University
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Mochida Isao
Department of Applied Chemistry, Faculty of Engineering, Kyushu Universtiy
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Anju Yasuhide
Department of Applied Chemistry, Faculty of Engineering, Kyushu University
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Seiyama Tetsuro
Department of Applied Chemistry, Faculty of Engineering, Kyushu University
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Anju Yasuhide
Department of Applied Chemistry, Faculty of Engineering, Kyushu Universtiy
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Seiyama Tetsuro
Department of Alaterials Science and Technology, Faculty of Engineering, Kyushu University
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Seiyama Tetsuro
Department of Applied Chemistry, Faculty of Engineering, Kyushu Universtiy
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