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

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

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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Veröffentlicht in:Chemistry of heterocyclic compounds (New York, N.Y. 1965) N.Y. 1965), 2010-08, Vol.46 (4), p.452-456
Hauptverfasser: Ukrainets, I. V, Bereznyakova, N. L, Yangyang, Liu, Turov, A. V
Format: Artikel
Sprache:eng
Schlagworte:
1-allyl-3-arylaminomethylenequinoline-2,4-(1H,3H)-diones
bromination
Chemistry
Chemistry and Materials Science
enamines
halocyclization
Organic Chemistry
oxazolo[3,2-a]-quinolines
Pharmacy
Schiff bases
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Zusammenfassung: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.
ISSN:0009-3122
1573-8353
DOI:10.1007/s10593-010-0530-1