(R)-7-[3-(1-t-butoxycarbonylamino-1-methylethyl)-1-pyrrolidinyl]-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid 在
盐酸 作用下,
以
二氯甲烷 为溶剂,
生成 (R)-7-<3-(1-amino-1-methylethyl)-1-pyrrolidinyl>-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid hydrochloride