8-{(S)-3-[tert-Butoxycarbonyl-(2-methoxy-ethyl)-amino]-pyrrolidin-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-{(S)-3-[tert-Butoxycarbonyl-(2-methoxy-ethyl)-amino]-pyrrolidin-1-yl}-1-cyclopropyl-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylic acid