An efficient and solvent-free one-pot synthesis of 1,4-dihydropyridines under microwave irradiation

被引：20

作者：

Kuraitheerthakumaran, A. ^{[1
]}

Pazhamalai, S. ^{[1
]}

Gopalakrishnan, M. ^{[1
]}

机构：

[1] Annamalai Univ, Dept Chem, Annamalainagar 608002, Tamil Nadu, India

来源：

CHINESE CHEMICAL LETTERS | 2011年 / 22卷 / 10期

关键词：

Hantzsch reaction; 1,4-Dihydropyridine; Microwave; Solvent free; Lanthanum oxide; SCANDIUM TRIFLUOROMETHANESULFONATE; HANTZSCH 1,4-DIHYDROPYRIDINES; IONIC LIQUID; CATALYST; TRIFLATE; ACID;

D O I：

10.1016/j.cclet.2011.05.003

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

An efficient synthesis of 1,4-dihydropyridines using lanthanum oxide as a catalyst from aldehydes, beta-ketoester and ammonium acetate without solvent under the irradiation of microwave is described. Compared with the classical Hantzsch reaction, this new method has the advantage of good yield (90-98%) and short reaction time (40-80 s). (C) 2011 M. Gopalakrishnan. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.

引用

页码：1199 / 1202

页数：4

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