An efficient synthesis of 3,4-dihydropyrimidin-2-ones catalyzed by NH2SO3H under ultrasound irradiation

被引：242

作者：

Li, JT ^{[1
]}

Han, JF ^{[1
]}

Yang, JH ^{[1
]}

Li, TS ^{[1
]}

机构：

[1] Hebei Univ, Coll Chem & Environm Sci, Baoding 071002, Peoples R China

来源：

ULTRASONICS SONOCHEMISTRY | 2003年 / 10卷 / 03期

关键词：

Biginelli reaction; dihydropyrimidinones; synthesis; ultrasound irradiation;

D O I：

10.1016/S1350-4177(03)00092-0

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The condensation of aldehydes, beta-keto esters and urea catalyzed by NH2SO3H in ethanol results dihydropyrimidinones in high yields under ultrasound irradiation. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：119 / 122

页数：4

共 30 条

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