Green synthesis of 5-benzylidene rhodanine derivatives catalyzed by 1-butyl-3-methyl imidazolium hydroxide in water

被引：30

作者：

Gong, Kai ^{[1
]}

He, Zhi-Wei ^{[1
]}

Xu, Ying ^{[1
]}

Fang, Dong ^{[1
]}

Liu, Zu-liang ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Chem Engn, Nanjing 210094, Peoples R China

来源：

MONATSHEFTE FUR CHEMIE | 2008年 / 139卷 / 08期

关键词：

aromatic aldehyde; rhodanine; benzylidenerhodamine; ionic liquid;

D O I：

10.1007/s00706-008-0871-y

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A basic functionalized ionic liquid, 1-butyl-3-methyl imidazolium hydroxide ([bmim][OH]), catalyzed the Knoevenagel condensation of rhodanine with aromatic aldehydes. It proceeded smoothly in water to afford the 5-benzylidene rhodamine derivatives in high yields at room temperature. This new method offers several advantages, such as excellent yields, short reaction times, and simple procedure. The catalyst can be reused at least 5 times without significant loss of activity.

引用

页码：913 / 915

页数：3

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