Alkylation of aromatic compounds with multi-component Lewis acid catalysts of ZnCl2 and ionic liquids with different organic cations

被引：0
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作者：
Rajendra Srivastava
Shin-Ichiro Fujita
Shuhei Okamura
Masahiko Arai
机构：
[1] Graduate School of Engineering Hokkaido University,Division of Chemical Process Engineering
来源：
Reaction Kinetics and Catalysis Letters | 2009年 / 96卷
关键词：
Alkylation; Lewis acid catalyst; ionic liquid; aromatic compound;
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摘要：
Alkylation of aromatic compounds with various alkylating agents such as benzyl chloride, benzyl alcohol and isopropyl chloride were investigated using ZnCl2 based ionic liquid (ILs) Lewis acid catalysts. Multi-component Lewis acid catalysts of ZnCl2 and ionic liquids such as 1-butyl-3-methylimidazolium bromide, 1-butylpyridinium bromide, cholin chloride and tetrabutylammonium bromide were prepared, supported on silica gel, and compared for alkylation reactions with various alkylating agents. Among the IL-based catalysts, 1-butyl-3-methyl imidazolium-bromide-ZnCl2 and 1-butylpyridinium bromide-ZnCl2 are highly active.
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