Experimental and Theoretical Investigation of One-pot Synthesis of 2-Amino-4H-chromenes Catalyzed by Basic-functionalized Ionic Liquids

被引：17

作者：

Wang Yuanyuan ^{[1
]}

Wu Yuetong ^{[1
]}

Wang Yu ^{[1
]}

Dai Liyi ^{[1
]}

机构：

[1] E China Normal Univ, Dept Chem, Shanghai Key Lab Green Chem & Chem Proc, Shanghai 200062, Peoples R China

来源：

CHINESE JOURNAL OF CHEMISTRY | 2012年 / 30卷 / 08期

关键词：

basic-functionalized ionic liquid; 2-amino-4H-chromene; one-pot synthesis; density functional theory; 3-COMPONENT SYNTHESIS; GREEN SYNTHESIS; CO2; CAPTURE; DERIVATIVES; ALDEHYDES; EFFICIENT;

D O I：

10.1002/cjoc.201200181

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

An efficient and environmentally benign procedure for the reactions of three components condensation of salicylaldehyde and two different CH acids to give 2-amino-4H-chromenes catalyzed by a series of basic-functionalized ionic liquids was reported. The most possible reaction pathway was proposed for the first time by performing density functional theory (DFT) calculations. Both cation and anion of [Bmim]OH have a cooperative effect on the reaction. [Bmim]+ increases the electrophilicity of salicylaldehyde via intermolecular hydrogen bonds, while OH- deprives proton of two CH acids to strengthen their nucleophilic ability.

引用

页码：1709 / 1714

页数：6

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