The synthesis and transformations of methyl 2-[2,2-bis(ethoxycarbonyl)ethenyl]amino-3-dimethylaminobut-2-enoate. The synthesis of 3-amino-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-ones

被引：0
|
作者：
Selic, L [1 ]
Grdadolnik, SG
Stanovnik, B
机构：
[1] Univ Ljubljana, Fac Chem & Chem Technol, Ljubljana, Slovenia
[2] Natl Inst Chem, Dept NMR & Mol Modeling, Ljubljana, Slovenia
来源：
HETEROCYCLES | 1997年 / 45卷 / 12期
关键词：
D O I：
暂无
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Methyl 2-[2,2-bis(ethoxycarbonyl)ethenyl]amino-3-dimethylaminobut-2-enoate (3) was prepared from methyl N-2,2-bis(ethoxycarbonyl)vinylglycinate (2) and DMADMA, and used as a reagent for the preparation of substituted 3-amino-2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidines (13-17), 4H-benzothiazolo[3,2-a]pyrimidin-4-one (18), 5H-thiazolo[3,2-a]pyrimidin-5-one (19), and 4-methyl-tetrahydro-2H-1-benzopyran-2-ones (20) and (21).
引用
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页码：2349 / 2356
页数：8
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