Claisen-Schmidt Condensation Catalyzed by Basic Ionic Liquids

Chin. J. Org. Chem. ›› 2009, Vol. 29 ›› Issue (9): 1470-1473. Previous Articles Next Articles

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碱性离子液体催化的Claisen-Schmidt缩合反应

王媛媛宫欣欣戴立益*

(华东师范大学化学系上海市绿色化学与化工过程绿色化重点实验室上海 200062)

收稿日期:2008-12-24 修回日期:2009-04-08 发布日期:2009-12-30
通讯作者: 戴立益

Claisen-Schmidt Condensation Catalyzed by Basic Ionic Liquids

Wang, Yuanyuan Gong, Xinxin Dai, Liyi*

(Shanghai Key Laboratory of Green Chemistry and Chemical Process, Department of Chemistry,
East China Normal University, Shanghai 200062)

Received:2008-12-24 Revised:2009-04-08 Published:2009-12-30
Contact: Dai, Liyi

Abstract

Six basic ionic liquids based on imidazolium were synthesized and used as catalysts in Claisen-Schmidt condensation. Hammett titration method was used to determine the basic strength and basic amount of these ionic liquids. Claisen-Schmidt condensation proceeded efficiently in these ionic liquids at room temperature and the ionic liquids could be reused at least 8 times without obvious activity loss.

Key words: Claisen-Schmidt condensation, alkalinity characterization, catalysis, basic ionic liquid

Cite this article

Wang, Yuanyuan Gong, Xinxin Dai, Liyi*. Claisen-Schmidt Condensation Catalyzed by Basic Ionic Liquids[J]. Chin. J. Org. Chem., 2009, 29(9): 1470-1473.

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碱性离子液体催化的Claisen-Schmidt缩合反应

Claisen-Schmidt Condensation Catalyzed by Basic Ionic Liquids

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