基本信息：
中文名称 7-氯-1-(2,4-二氟苯)-6-氟-4-酮-1,4-二氢-1,8-萘啶-3-羧酸
中文别名 7-氯-1-(2,4-二氟苯基)-6-氟-4-氧代-1,4-二氢-1,8-萘啶-3-羧酸;
英文名称 7-chloro-1-(2,4-difluorophenyl)-6-fluoro-4-oxo-1,8-naphthyridine-3-carboxylic acid
英文别名 7-chloro-1-(o,p-difluorophenyl)1,4-dihydro-6-fluoro-4-oxo-1,8-naphthyridine-3-carboxylic acid;1-(2,4-difluoroanlino)-6-fluoro-7-chloro-1,4-dihydro-4-oxo-18-naphthylidine-3-carboxylic acid;1,8-Naphthyridine-3-carboxylicacid,7-chloro-1-(2,4-difluorophenyl)-6-fluoro-1,4-dihydro-4-oxo;1-(2,4-difluorophenyl)-6-fluoro-7-chloro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid;7-chloro-1-(2,4-difluoro-phenyl)-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid;7-chloro-1-(2,4-difluorophenyl)-6-fluoro-1,4-dihydro 4-oxo-1,8-naphthyridine-3-carboxylic acid;
CAS号 100492-04-4
合成路线：
1.通过甲酸乙酯1-(2,4-二氟苯基)-7-氯-6-氟-4-氧代羟基吡啶[2,3-B]吡啶-3-羧酸合成7-氯-1-(2,4-二氟苯)-6-氟-4-酮-1,4-二氢-1,8-萘啶-3-羧酸，收率约96%；
2.通过2,6-二氯-5-氟烟酰乙酸乙酯合成7-氯-1-(2,4-二氟苯)-6-氟-4-酮-1,4-二氢-1,8-萘啶-3-羧酸
合成路线仅供参考