Benzyl 4-[3-(3-chloro-6-methoxyquinolin-4-yl)propyl]-1-[2-(3,5-difluorophenylamino)ethyl]piperidine-4-carboxylate 、
氩 在
ammonium hydroxide 作用下,
以
盐酸 、
丙酮 为溶剂,
生成 4-[3-(3-Chloro-6-methoxyquinolin-4-yl)propyl]-1-[2-(3,5-difluorophenylamino)ethyl]-piperidine-4-carboxylic acid