Reformatsky reaction with N-substituted 6-bromo-2-oxochromene-3-carboxamides

被引：1

作者：

Shchepin, VV ^{[1
]}

Fotin, DV ^{[1
]}

Fotin, VV ^{[1
]}

Vakhrin, MI ^{[1
]}

机构：

[1] Perm State Univ, Perm 614990, Russia

来源：

RUSSIAN JOURNAL OF ORGANIC CHEMISTRY | 2004年 / 40卷 / 06期

基金：

俄罗斯基础研究基金会;

关键词：

Methyl; Ether; Ethyl; Benzene; Organic Chemistry;

D O I：

10.1023/B:RUJO.0000044556.65215.ea

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Reformatsky reactions of ethyl a-bromopropionate, methyl a-bromobutyrate, and methyl alpha-bromoisobutyrate with N-substituted 6-bromo-2-oxochromene-3-carboxamides in the system diethyl ether-benzene-HMPA give N-benzyl-6-bromo-4-(1-alkoxycarbonylalkyl)-2-oxochroman-3-carboxamides, while in the system diethyl ether-benzene-HMPA-THF, 3-R-1-1-R-2-1-R-3-9-bromo-2,3,4,4a,5,10b-hexahydro-1H-chromeno[3,4-c]pyridine-2,4,5-triones are obtained.

引用

页码：892 / 894

页数：3

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