N-甲基哌嗪 、
1-[(1-Ethyl-6-fluoro-4-oxo-7-pyrrolidin-1-yl-1,4-dihydro-quinoline-3-carbonyl)-amino]-6,7,8-trifluoro-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid 以
吡啶 为溶剂,
反应 4.0h,
以78%的产率得到1-[(1-Ethyl-6-fluoro-4-oxo-7-pyrrolidin-1-yl-1,4-dihydro-quinoline-3-carbonyl)-amino]-6,8-difluoro-7-(4-methyl-piperazin-1-yl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid