A novel and facile synthesis of pyrazolo [3,4-b]pyridines

被引：0

作者：

Zhao, WG ^{[1
]}

Li, ZM ^{[1
]}

Yuan, DK ^{[1
]}

机构：

[1] Nankai Univ, Res Inst Elementoorgan Chem, State Key Lab Elementoorgan Chem, Tianjin 300071, Peoples R China

来源：

JOURNAL OF CHEMICAL RESEARCH | 2002年 / 09期

关键词：

fused pyrazoles; fused pyridines; tin(IV) chloride;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Pyrazolo[3,4-b]pyridines have been obtained by the condensation of 5-amino-4-cyanopyrazole, readily available by the reaction of dithioacetals with substituted hydrazines, with beta-ketoesters or beta-diketone in the presence of tin(IV) chloride at reflux temperature in dry toluene.

引用

页码：454 / 455

页数：2

共 50 条

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