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
收藏
页码：892 / 894
页数：3
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