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

被引:241
|
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
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
收藏
页码:119 / 122
页数:4
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