Rearrangement of 3-ethoxycarbonyl-5-hydroxyimino-2-methyl-4-oxonaphtho[1,2-b]furan and 3-ethoxycarbonyl-5-hydroxyimino-2-methyl-4-oxo-1-phenylbenzo[g]indole by the action of benzenesulfonyl chloride in an alkaline medium

被引:0
|
作者
Stankyavichus A.P. [1 ]
Stankyavichene L.M.M. [1 ]
Terent'ev P.B. [2 ]
机构
[1] Institute of Cardiology, Kaunas Medical Academy
[2] M. V. Lomonosov Moscow State University
关键词
Chloride; Mass Spectrum; Organic Chemistry; Indole; Furan;
D O I
10.1007/BF02251993
中图分类号
学科分类号
摘要
The treatment of 3-ethoxycarbonyl-2-methyl-4,5-dioxonaphtho[1,2-b]furan 5-monoximes and also the similarly substituted benzo[g]indole with benzenesulfonyl chloride in an alkaline medium give 5-(2-cyanophenyl)-3-ethoxycarbonyl-2-methylfuran-4-carboxylic and pyrrole-4-carboxylic acids with high yields as a result of a second-order Beckmann rearrangement. The structures of the initial and final compounds were confirmed by analysis of their mass spectra. ©1999 KluwerAcademic/Plenum Publishers.
引用
收藏
页码:1272 / 1275
页数:3
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