Ring contraction in reactions of 3-benzoylquinoxalin-2-ones with 1,2-phenylenediamines. Quinoxaline-benzoimidazole rearrangement

被引：0
|
作者：
V. A. Mamedov
A. A. Kalinin
A. T. Gubaidullin
A. V. Chernova
I. A. Litvinov
Ya. A. Levin
R. R. Shagidullin
机构：
[1] Kazan Research Center of the Russian Academy of Sciences,A. E. Arbuzov Institute of Organic and Physical Chemistry
来源：
Russian Chemical Bulletin | 2004年 / 53卷
关键词：
3-benzoylquinoxalin-2-ones; 1,2-phenylenediamines; benzoimidazole; pyrazine-imidazole ring contraction; rearrangements; IR spectra; H NMR spectra; X-ray diffraction analysis;
D O I：
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中图分类号：
学科分类号：
摘要：
The reactions of 3-benzoylquinoxalin-2-one and its N(1)-alkyl derivatives with 1,2-phenylenediamines were accompanied by ring contraction as a result of the quinoxaline-benzoimidazole rearrangement giving rise to 2-benzoimidazolyl-substituted quinoxalines. The possible pathways of these reaction are discussed.
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页码：164 / 175
页数：11
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