Russian Chemical Bulletin p. 279 - 282 (1994)
Update date:2022-08-30
Topics:
Saloutin, V. I.
Bazyl', I. T.
Skryabina, Z. E.
Kondrat'ev, P. N.
Chupakhin, O. N.
Reactions of pentafluorobenzoylpyruvic acid with amines afford the respective enamines.The intramolecular cyclization of he later results in N-substituted 4-quinolone-2-carboxylic acids.Ammonia and triethylamine favor the cyclization of pentafluorobenzopy
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