Silica Sulfuric Acid: An Efficient Heterogeneous Catalyst for the One-Pot Synthesis of 1,4-Dihydropyridines under Mild and Solvent-Free Conditions

被引：28

作者：

Datta, Bandita ^{[1
]}

Pasha, M. Afzal ^{[1
]}

机构：

[1] Bangalore Univ, Dept Studies Chem, Bengaluru 560001, India

来源：

CHINESE JOURNAL OF CATALYSIS | 2011年 / 32卷 / 07期

关键词：

aldehyde; ethyl acetoacetate; ammonium acetate; silica sulfuric acid; 1,4-dihydropyridine; HANTZSCH 1,4-DIHYDROPYRIDINES; MOLECULAR-IODINE; CONDENSATION; NITRATION; CHEMISTRY; PROTOCOL; WATER;

D O I：

10.1016/S1872-2067(10)60252-5

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A series of 1,4-dihydropyridines have been prepared by a one-pot condensation of aldehydes, ethyl acetoacetate, and ammonium acetate in the presence of a heterogeneous catalyst silica sulfuric acid at room temperature under solvent-free condition. This new protocol has the advantage of short reaction time and excellent yields, and is an environmentally benign route to the synthesis of 1,4-dihydropyridines.

引用

页码：1180 / 1184

页数：5

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