7-chloro-4-hydroxy-3-(methoxycarbonylmethylthio)-2(1H)-quinolone 、
盐酸 以
sodium hydroxide 为溶剂,
反应 2.0h,
以7-chloro-4-hydroxy-3-(carboxymethylthio)-2(1H)-quinolone is obtained in the form of pure crystals的产率得到7-chloro-4-hydroxy-3-(carboxymethylthio)-2(1H)-quinolone