SIMPLE, EFFICIENT, AND GREEN PROCEDURE FOR THE KNOEVENAGEL CONDENSATION CATALYZED BY ETHYLENEDIAMMONIUM DIACETATE UNDER SOLVENT-FREE CONDITIONS

被引：13

作者：

Zhou, Zhongqiang ^{[1
]}

Sun, Yong

机构：

[1] S Cent Univ Nationalities, Coll Chem & Mat Sci, Key Lab Catalysis, Wuhan 430074, Hubei Province, Peoples R China

来源：

SYNTHETIC COMMUNICATIONS | 2011年 / 41卷 / 21期

关键词：

Ethylenediammonium diacetate; Knoevenagel condensation; solvent-free conditions; IONIC LIQUID; AROMATIC-ALDEHYDES; ETHYL CYANOACETATE; SILICA-GEL; MALONONITRILE;

D O I：

10.1080/00397911.2010.517376

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A simple, efficient, and green procedure for Knoevenagel condensation of aromatic aldehydes with malononitrile and ethyl cyanoacetate catalyzed by ethylenediammonium diacetate under solvent-free conditions at room temperature is reported. This method gives remarkable advantages such as a simple procedure, mild conditions, fast (1-45 min) reactions, and excellent yields. Additionally, the catalyst can be reused for at least five runs without significant decrease of the yields.

引用

页码：3162 / 3168

页数：7

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