Convenient synthesis of 6,7-dihydroazolo[5,1-b]quinazolin-8(5H)-one derivatives

被引：0
|
作者：
A. A. Petrov
A. N. Kasatochkin
机构：
[1] St. Petersburg State University,
来源：
Russian Journal of Organic Chemistry | 2014年 / 50卷
关键词：
MeCN; Colorless Crystal; Ultrasonic Irradiation; Dimedone; Zaleplon;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Three-component condensation of 3(5)-aminoazoles with benzaldehydes and dimedone in acetonitrile in the presence of montmorillonite KSF as heterogeneous catalyst regioselectively afforded 5,6,7,9-tetrahydroazolo[5,1-b]quinazolin-8(4H)-one derivatives in good yields. Oxidation of the condensation products with ceric ammonium nitrate in acetone gave the corresponding 6,7-dihydroazolo[5,1-b]quinazolin-8(5H)-ones.
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页码：1485 / 1495
页数：10
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