4-Hydroxy-2-quinolones. 220*. Bromination of ethyl 7-hydroxy-5-oxo-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinoline-6-carboxylate

被引：0
作者：
I. V. Ukrainets
N. Yu. Golik
I. N. Chernenok
S. V. Shishkina
V. A. Parshikov
机构：
[1] National University of Pharmacy,Scientific
[2] National Academy of Sciences of Ukraine,Technological Complex “Institute of Monocrystals”
[3] S. I. Georgievsky Crimean State Medical University,undefined
来源：
Chemistry of Heterocyclic Compounds | 2013年 / 48卷
关键词：
4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylic acids; pyrido[3,2,1-; ]quinolines; bromination;
D O I：
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摘要：
Treatment of ethyl 7-hydroxy-5-oxo-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinoline-6-carboxylate with bromine in aqueous acetic acid solution gave not only the expected ethyl 2-bromo-1,3-dioxo-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinoline-2-carboxylate, but also an admixture of its 9-bromo-substituted isomer. The structural features of the major and minor reaction products are discussed.
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页码：1665 / 1669
页数：4
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