1-cyclopropyl-6,8-difluoro-7-(4-(R)-Cbz-amino-2-methylpyrazolidin-1-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid 在
盐酸 作用下,
以
甲醇 为溶剂,
反应 11.0h,
以88%的产率得到1-cyclopropyl-6,8-difluoro-7-(4-(R)-amino-2-methylpyrazolidin-1-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid hydrochloride