H14[NaP5W30O110] Catalyzed One-Pot Three-Component Synthesis of Dihydropyrano[2,3-c]pyrazole and pyrano[2,3-d]pyrimidine Derivatives

被引：83
|
作者：
Heravi, M. M. [1 ]
Ghods, A. [1 ]
Derikvand, F. [1 ]
Bakhtiari, K. [1 ]
Bamoharram, F. F. [2 ]
机构：
[1] Alzahra Univ, Sch Sci, Dept Chem, Tehran, Iran
[2] Islamic Azad Univ, Dept Chem, Mashhad Branch, Mashhad, Iran
来源：
JOURNAL OF THE IRANIAN CHEMICAL SOCIETY | 2010年 / 7卷 / 03期
基金：
美国国家科学基金会;
关键词：
1,4-Dihydropyrano[2,3-c]pyrazoles; Pyrano[2,3-d]pyrimidines; On water reactions; Preyssler type heteropoly acid; Multi-component reactions; AQUEOUS-MEDIA; HETEROCYCLIC-COMPOUNDS; MICROWAVE IRRADIATION; GREEN CATALYST; ALCOHOLS; ACID; DEPROTECTION; PYRANS; WATER;
D O I：
10.1007/BF03246049
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
This is a report of an efficient, clean and facile method for the synthesis of 1,4-dihydropyrano[2,3-c] pyrazole and pyrano[2,3-d]pyrimidine derivatives via three-component one-pot condensation of 3-methyl-1-phenyl-1H-pyrazol-5(4H)-one or barbituric acid, aldehydes and malononitrile in the presence of a catalytic amount of preyssler type heteropolyacid as a green and reusable catalyst in water or ethanol under refluxing conditions.
引用
收藏
页码：615 / 620
页数：6
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