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

页码：615 / 620

页数：6

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