4-Hydroxy-2-quinolones. 175.*Reaction of -1-allyl-3-[(arylamino)methylene]quinoline-2,4-(1H,3H)-diones with bromine |
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| Authors: | I V Ukrainets N L Bereznyakova Liu Yangyang A V Turov |
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| Institution: | (1) National University of Pharmacy, Kharkiv, 61002, Ukraine;(2) Taras Shevchenko Kiev National University, Kiev, 01033, Ukraine |
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| Abstract: | 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-oxazolo3,2-a]quinolinium
bromides. |
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