Synthesis of 3-substituted pyrido[4′,3′:4,5]-thieno[2,3-d]pyrimidines and related fused thiazolo derivatives

被引：5

作者：

Ahmed, EK ^{[1
]}

机构：

[1] Menia Univ, Fac Sci, Dept Chem, El Minia, Egypt

来源：

HETEROATOM CHEMISTRY | 2003年 / 14卷 / 03期

关键词：

D O I：

10.1002/hc.10131

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Convenient syntheses of 3-substituted ethyl 4-oxo-2-thioxo-1,2,3,4,5,6,7,8-octahydropyrido[4' 3':4,5]thieno[2,3-d]pyrimidine-7-carboxylates 3a, b, 6, 11-13, ethyl 3-methyl-5-oxo-2,3,6,9-tetrahydro-5H-pyrido[4',3:4,5]thieno[2,3-d][1,3]thiazolo[3,2-a]-pyrimidine-8(7H)-carboxylate (4), and ethyl 2-methyl-5-oxo-2,3,6,9-tetrahydro-5H-pyrido[4', 3.-4,5]thieno[2, 3-d][1,3]thiazolo[3,2-a]pyrimidine-8[7H]carboxylate (8) from diethyl 2-isothiocyanato-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3,6-dicarboxylate (1) are reported. (C) 2003 Wiley Periodicals, Inc.

引用

页码：201 / 207

页数：7

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