7-(4-(2-bromoacetyl) piperazin-1-yl)-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid 、
5‑(2‑(p‑tolyl)quinolin‑4‑yl)‑1,3,4‑oxadiazole‑2‑thione 在
三乙胺 作用下,
以
乙腈 为溶剂,
以60.29 %的产率得到1-cyclopropyl-6-fluoro-4-oxo-7-(4-(2-((5-(2-(p-tolyl)quinolin-4-yl)-1,3,4-oxadiazol-2-yl)thio)acetyl)piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid