7-[(3-Terbutoxycarbonylaminopropyl)amino]-1-cyclopropyl-1,4-dihydro-6-fluoro-4-oxo-quinoline-3-carboxylic acid 在
二氯甲烷 、 Final solvent 作用下,
以
trifluoracetic acid-dichloromethane 为溶剂,
反应 2.0h,
以afforded the title compound (103.4 mg)的产率得到7-[(3-aminopropyl)amino]-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid