8-((3S,4S)-3-tert-Butoxycarbonylamino-4-methyl-piperidin-1-yl)-1-cyclopropyl-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylic acid ethyl ester 在
lithium hydroxide 作用下,
以
四氢呋喃 为溶剂,
反应 4.0h,
生成 8-((3S,4S)-3-tert-Butoxycarbonylamino-4-methyl-piperidin-1-yl)-1-cyclopropyl-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylic acid