1-Cyclopropyl-7-[3-ethyl-3-[[(2,2,2-trifluoroacetyl)amino]methyl]azetidin-1-yl]-6-fluoro-8-methyl-4-oxoquinoline-3-carboxylic acid 在
sodium carbonate 作用下,
以
甲醇 、
水 为溶剂,
生成
7-(3-aminomethyl-3-ethyl-azetidin-1-yl)-1-cyclopropyl-6-fluoro-8-methyl-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid