3-(4-methoxyanilino)azetidine 、
6,7,8-trifluoro-1-(1-methyl-2-oxo-1,2-dihydropyrimidin-4-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid 在
三乙烯二胺 作用下,
以
乙腈 为溶剂,
以83%的产率得到6,8-difluoro-7-[3-(4-methoxyanilino)azetidin-1-yl]-1-(1-methyl-2-oxo-1,2-dihydropyrimidin-4-yl)quinolin-4(1H)-one