8-(3-tert-Butoxycarbonylamino-3,6-dihydro-2H-pyridin-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-(3-tert-Butoxycarbonylamino-3,6-dihydro-2H-pyridin-1-yl)-1-cyclopropyl-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylic acid