4-Hydroxy-2-quinolones. 175.*Reaction of -1-allyl-3-[(arylamino)methylene]quinoline-2,4-(1H,3H)-diones with bromine

被引：0
|
作者：
I. V. Ukrainets
N. L. Bereznyakova
Liu Yangyang
A. V. Turov
机构：
[1] National University of Pharmacy,
[2] Taras Shevchenko Kiev National University,undefined
来源：
Chemistry of Heterocyclic Compounds | 2010年 / 46卷
关键词：
1-allyl-3-arylaminomethylenequinoline-2,4-(1H,3H)-diones; enamines; oxazolo[3,2-; ]-quinolines; Schiff bases; bromination; halocyclization;
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学科分类号：
摘要：
NMR spectroscopy showed that treatment of 1-allyl-3-[(arylamino)methylene]quinoline-2,4-(1H,3H)-diones with an equivalent amount of dry bromine in anhydrous acetic acid leads to the formation of 4-aryliminomethyl-2-bromomethyl-5-oxo-1,2-dihydro-5H-oxazolo[3,2-a]quinolinium bromides.
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页码：452 / 456
页数：4
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