Expeditious, Four-Component Synthesis of 1,4-Dihydropyrano[2,3-c]Pyrazole Derivatives Catalyzed by Trichloroacetic Acid or Ceric Sulfate

被引：0

作者：

Karimi-Jaberi, Zahed ^{[1
]}

Shams, Mohammad Mehdi Reyazo ^{[1
]}

Pooladian, Baharak ^{[1
]}

机构：

[1] Islamic Azad Univ, Firoozabad Branch, Dept Chem, Fars, Iran

来源：

ACTA CHIMICA SLOVENICA | 2013年 / 60卷 / 01期

关键词：

1,4-Dihydropyrano[2,3-c]pyrazole derivatives; Four-component reaction; Trichloroacetic acid; Ceric sulfate; Heterogeneous catalysts; SOLID HETEROGENEOUS CATALYST; RAPID SYNTHESIS; MULTICOMPONENT SYNTHESIS; PYRANOPYRAZOLES; IDENTIFICATION; EFFICIENT;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two efficient and convenient procedures for the synthesis of 6-amino-3-methyl-1,4-diphenyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile derivatives based on four-component reaction involving ethyl acetoacetate, phenylhydrazine, malononitrile, and various aromatic aldehydes using trichloroacetic acid or ceric sulfate as heterogeneous catalysts in excellent yields and short reaction times have been described.

引用

页码：105 / 108

页数：4

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