7-[3-(benzylideneamino)methyl-4-(3',4'-dimethxoy-6'-fluorobenzyloxyimino)pyrrolidin-1-yl]-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid 以
乙醇 为溶剂,
以79%的产率得到7-[3-aminomethyl-4-(3',4'-dimethxoy-6'-fluorobenzyloxyimino)pyrrolidin-1-yl]-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid dimesylate