三乙烯二胺 、 6,7,8-trifluoro-1-[(1RS,2SR)-2-fluorocyclopropyl]-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid 、 1S,6S-2-oxa-5,8-diazabicyclo[4.3.0]nonane dihydrobromide 以
N-甲基乙酰胺 、
乙腈 为溶剂,
生成
1-(cis-2-Fluorocyclopropyl)-6,8-difluoro-1,4-dihydro-7-(1S,6S-2-oxa-5,8-diazabicyclo[4.3.0]non-8-yl)-4-oxo-3-quinolinecarboxylic Acid