7-(1-Acetylamino-3-azabicyclo[3.1.0] hex-3-yl)-6-fluoro-1-(2,4-difluorophenyl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid,ethyl ester 在
盐酸 、
溶剂黄146 作用下,
以
sodium hydroxide 为溶剂,
以29%的产率得到7-(1-Amino-3-azabicyclo[3.1.0]hex-3-yl)-6-fluoro-1-(2,4-difluorophenyl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid, hydrochloride salt