Synthesis of diphenylmethane from benzene and paraformaldehyde catalyzed by acidic ionic liquids

被引：9

作者：

Cui, Shuhan ^{[1
]}

Lu, Bin ^{[1
]}

Xiao, Xue ^{[1
]}

Han, Yuanyuan ^{[1
]}

Cai, Qinghai ^{[1
]}

机构：

[1] Harbin Norm Univ, Dept Chem, Harbin 150080, Peoples R China

来源：

CATALYSIS LETTERS | 2007年 / 119卷 / 3-4期

关键词：

diphenylmethane; benzene; paraformaldehyde; ionic liquid;

D O I：

10.1007/s10562-007-9231-5

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Condensations of benzene or toluene, xylene and paraformaldehyde to diphenylmethane (DPM) or its derivatives were performed using acidic ionic liquids Et3NHCl-AlCl3, Et3NHCl-FeCl3, Et3NHCl-ZnCl2, Et3NHCl-CuCl2, Et3NHCl-CuCl, Et3NHCl-SnCl2 as catalysts. The catalytic activity of Et3NHCl-AlCl3 proved to be superior to that of other catalysts for the condensation of benzene and paraformaldehyde, giving 92.4% conversion of HCHO and 76.1% selectivity to diphenylmethane at 80 degrees C and atmospheric pressure. The effect of various reaction conditions on the reaction and reaction kinetics of DPM synthesis were explored.

引用

页码：277 / 282

页数：6

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