Provided are a method for making (±)-1-Cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolenecarboxylic acid, commonly known as gatifloxacin, in high purity, in a suspension in a dipolar aprotic solvent.
提供一种在二极无极溶剂的悬浮液中制备高纯度的(±)-1-环丙基-6-
氟-1,4-二氢-8-甲氧基-7-(3-甲基-1-
哌嗪基)-4-氧代-3-喹诺酸,通常称为
加替沙星的方法。