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.

引用

页码：1485 / 1495

页数：10

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