PYRIDAZINE DERIVATIVES AND RELATED-COMPOUNDS .5. PYRAZOLO[3,4-C]PYRIDAZINE - SYNTHESIS AND SOME REACTIONS

被引：5

作者：

DEEB, A

BAYOUMY, B

ESSAWY, AE

FIKRY, R

机构：

[1] Department of Chemistry, Faculty of Science, Zagazig University, Zagazig

来源：

HETEROCYCLES | 1991年 / 32卷 / 05期

关键词：

D O I：

10.3987/COM-90-5622

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

This paper describes the synthesis of three pyrimido[1',2':1,5]pyrazolo[3,4-c]pyridazines (6,7 and 9) starting from 3-amino[3,4-c]pyridazine (1). Pyrimido[5',4':5,6]pyrimido[1',2':1,5]pyrazolo[3,4-c]pyridazine derivative (8) was obtained by condensing 7a with formamide. Reactions of 1 with acetic anhydride, benzoyl chloride, phenacyl bromide and 4-chlorophenacyl bromide gave 3-substituted amino derivatives.

引用

页码：895 / 900

页数：6

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