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
收藏
页码：454 / 455
页数：2
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