An efficient regioselective sonochemical synthesis of novel 4-aryl-3-methyl-4,5-dihydro-1H-pyrazolo[3,4-b]pyridin-6(7H)-ones

被引：0
|
作者：
Abbas Azimi Roshan [1 ]
Manouchehr Mamaghani [1 ]
Nosrat Ollah Mahmoodi [1 ]
Farhad Shirini [1 ]
机构：
[1] Department of Chemistry,Faculty of Sciences,University of Guilan
来源：
Chinese Chemical Letters | 2012年 / 23卷 / 04期
关键词：
Pyrazolo[3,4-b]pyridin-6(7H)-one; Meldrum’s acid; 5-Amino-3-methylpyrazole; One-pot; Ultrasonic irradiation; Three-component; Regioselective;
D O I：
暂无
中图分类号：
O626 [杂环化合物];
学科分类号：
070303 ; 081704 ;
摘要：
An efficient ultrasound-assisted preparation of a series of novel 4-aryl-3-methyl-4,5-dihydro-l//-pyrazolo[34-b]pyridin-6(7H)ones via the reaction of 5-amino-3-methyl-1H-pyrazole,Meldrum’s acid and various arylaldehydes using one-pot three-component approach is described.This rapid method produced the products in short reaction times(3-4 min) and excellent yields(87-95%).
引用
收藏
页码：399 / 402
页数：4
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