6,7-difluoro-4-oxo-1-(4-trifluoromethyl-benzyl)-1,4-dihydro-quinoline-3-carbonitrile 、
2-哌嗪酮 以gave 6-fluoro-4-oxo-7-(3-oxo-piperazin-1-yl)-1-(4-trifluoromethyl-benzyl)-1,4-dihydro-quinoline-3-carbonitrile的产率得到6-fluoro-4-oxo-7-(3-oxopiperazin-1-yl)-1-(4-(trifluoromethyl)benzyl)-1,4-dihydroquinoline-3-carbonitrile