difluoroboranyl 1-cyclopropyl-7-[(3E)-3-[2-(1,3-dioxoisoindol-2-yl)-1-fluoroethylidene]piperidin-1-yl]-6-fluoro-8-methoxy-4-oxoquinoline-3-carboxylate 在
三乙胺 作用下,
以
乙醇 为溶剂,
反应 2.0h,
以33.6%的产率得到1-cyclopropyl-7-[(3E)-3-[2-(1,3-dioxoisoindol-2-yl)-1-fluoroethylidene]piperidin-1-yl]-6-fluoro-8-methoxy-4-oxoquinoline-3-carboxylic acid