4-bromo-3-methyl-1-phenylpyrazole in heterocyclic synthesis: Unexpected polysubstituted pyrazole derivatives

被引：4

作者：

El-Rady, EA ^{[1
]}

Abd El Latif, FM ^{[1
]}

机构：

[1] S Valley Univ, Fac Sci, Dept Chem, Aswan, Egypt

来源：

JOURNAL OF THE CHINESE CHEMICAL SOCIETY | 2004年 / 51卷 / 04期

关键词：

4-bromopyrazole; dipyrazolyly; fuoro[2,3-c]pyrazole and dipyrazolomethylidene;

D O I：

10.1002/jccs.200400119

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Unexpected 4,4'-dipyrazolomethylidene (7), 4-amino-3a-bromo-3-methyl-1-phenylpyrazolo[3,4-b]pyridin-6-thione (9), 4,4'-dipyrazolyl (18), ethyl 4-(3-methyl-1-phenylpyrazole-4-yl)fuoro[2,3-c]pyrazole-4-carboxylate (25), as well as the expected fuoro[2,3-c]pyrazole derivatives (15), (20) and (28) were isolated from a one-pot reaction of 4-bromo-3-methyl-1-phenylpyrazole (1) with some readily available reagents.

引用

页码：785 / 790

页数：6

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