Pyridazine derivatives and related compounds.: Part 11:: Synthesis of some pyrimido[4′,5′:4,5]thieno[2,3-c]pyridazines

被引：4

作者：

Deeb, A ^{[1
]}

Kotb, M ^{[1
]}

El-Abbasy, M ^{[1
]}

机构：

[1] Zagazig Univ, Fac Sci, Dept Chem, Zagazig, Egypt

来源：

PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS | 2004年 / 179卷 / 11期

关键词：

D O I：

10.1080/10426500490475175

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

3-Substituted pyrimido[4',5':4,5]thieno[2,3-c]pyridazine-2,4-di-ones and 3-amino-2-methylpyrimidol[4',5':4,5]thieno[2,3-c] pyridazine-6-carboxylate 1. Reaction of amino ester 1 with phenyl isothiocynate affords thiourea derivative 10 which undergo further transformation to the related fused heterocyclic systems.

引用

页码：2245 / 2252

页数：8

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