Synthesis of pyrimido[4',5':4,5]thieno[2,3-c]pyridazine derivatives

被引：3

作者：

Quintela, JM

Veiga, MC

AlvarezSarandes, R

Peinador, C

机构：

[1] Depto. Quim. Fundamental e Indust., Facultad de Ciencias, Universidad de La Coruña

来源：

MONATSHEFTE FUR CHEMIE | 1996年 / 127卷 / 05期

关键词：

thieno[2,3-c]pyridazine-6-carboxamide; 5,6,7,8-tetrahydropyrimido[4',5':4,5]-thieno [2,3-c]pyridazines; 7,8-dihydropyrimido[4',5':4,5]thieno[2,3-c]pyridazines; pyrimido[4',5':4,5]thieno[2,3-c]pyridazines;

D O I：

10.1007/BF00807079

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Convenient syntheses of 3,4-diphenyl-8-oxo-6-substituted-5,6,7,8-tetrahydropyrimido[4',5:4,5]thieno[2,3-c]pyridazines (4a-g), 3,4-diphenyl-8-oxo-6-substituted-7,8-dihydropyrimido [4',5':4,5]thieno [2,3-c]pyridazines (5a-g), 8-chloro-3,4-diphenyl-6-substituted-pyrimido[4',5':4,5] thieno [2,3-c]pyridazines (6a-g), and 3,4,6-triphenyl-8-substituted-pyrimido[4',5',4,5]thieno[2,3-c]pyridazines (7a-f) from 4-cyano-5,6-diphenylpyridazine-3(2H)-thione (1) via 5-amino-3,4-diphenylthieno [2,3-c] pyridazine-6-carboxamide (3) are reported.

引用

页码：537 / 547

页数：11

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