7-(4-carbamoylpiperidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid 、
2,4-二氯苯甲胺 在
benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 30.0h,
以33%的产率得到7-(4-carbamoylpiperidin-1-yl)-1-cyclopropyl-N-(2,4-dichlorobenzyl)-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxamide