、 6,7-Difluoro-4-oxo-1-(1-phenylethyl)-1,4-dihydroquinoline-3-carbonitrile 、
吗啉 以gave 6-fluoro-7-morpholino-4-oxo-1-(1-phenylethyl)-1,4-dihydroquinoline-3-carbonitrile的产率得到6-fluoro-7-morpholino-4-oxo-1-(1-phenylethyl)-1,4-dihydroquinoline-3-carbonitrile