Silica (NPs) supported Fe (III) as a reusable heterogeneous catalyst for the one-pot synthesis of 1, 4-dihydropyridines under mild conditions

被引：0
作者：
JAVAD SAFAEI-GHOMI
ABOLFAZL ZIARATI
SAFURA ZAHEDI
机构：
[1] University of Kashan,Department of Organic Chemistry, Faculty of Chemistry
来源：
Journal of Chemical Sciences | 2012年 / 124卷
关键词：
Heterogeneous catalyst; 1,4-dihydropyridine; multi-component; nano silica; Hantzsch reaction;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A cheap and recyclable silica (NPs) supported Fe (III) was prepared as heterogeneous catalyst for the synthesis of various substituted 1,4-dihydropyridines via condensation of aldehydes with ethyl acetoacetate and ammonium acetate in ethanol. The products were separated from the catalyst simply by filtration and the catalyst could be recycled and reused for several times without noticeable decrease in the catalytic activity.
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页码：933 / 939
页数：6
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