Synthesis of imidazolium and pyridinium-based ionic liquids and application of 1-alkyl-3-methylimidazolium salts as pre-catalysts for the benzoin condensation using solvent-free and microwave activation

被引:91
|
作者
Aupoix, Audrey [1 ]
Pegot, Bruce [2 ]
Vo-Thanh, Giang [1 ]
机构
[1] Univ Paris 11, Lab Catalyse Mol, Inst Chim Mol & Mat Orsay, UMR 8182, F-91405 Orsay, France
[2] Univ Versailles, UMR 8086, Inst Lavoisier Franklin, F-78035 Versailles, France
关键词
ASSISTED ORGANIC-SYNTHESIS; FREE ROUTE; EFFICIENT; THIAZOLIUM; TRANSFORMATIONS;
D O I
10.1016/j.tet.2009.11.110
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
An efficient one-pot procedure for the synthesis of ionic liquids based on nitrogen-containing heterocycles, imidazolium or pyridinium under 'green chemistry' conditions has been described Imidazolium salts and DBU have been found to catalyze efficiently the berizoin condensation giving good yields within very short reaction time using solvent-free microwave activation conditions (C) 2009 Elsevier Ltd All rights reserved
引用
收藏
页码:1352 / 1356
页数:5
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