反应详情

The condensation of 5-amino-1-(2′,4′-difluorophenyl)-6,7,8-trifluoro-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid with 3-aminopyrrolidine was carried out in a similar manner as described in example 1, gave the titled product. Yield 71%, m.p 268° C. (d), C20H16F4N4O3, m/z 437 (M+1).