ethyl 1-(3-tert-butoxycarbonylaminopropyl)-6-fluoro-8-trifluoromethyl-7-[4-(2-pyrimidinyl)piperazin-1-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate 在
盐酸 、
sodium hydroxide 作用下,
以
甲醇 、
氯仿 、
乙腈 为溶剂,
生成 1-(3-tert-butoxycarbonylaminopropyl)-6-fluoro-8-trifluoromethyl-7-[4-(2-pyrimidinyl)piperazin-1-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid 、 1-(3-aminopropyl)-6-fluoro-8-trifluoromethyl-7-[4-(2-pyrimidinyl)piperazin-1-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid