1-(2-bromo-4-fluorobenzyl)-3-(4-fluoro-3-trifluoromethyl-phenyl)-5,5-dimethylimidazolidine-2,4-dione 、
3,3-Dimethyl-1-(4-anilino)-2-azetidinone 在
palladium diacetate 、
4,5-双二苯基膦-9,9-二甲基氧杂蒽 caesium carbonate 作用下,
以
1,4-二氧六环 为溶剂,
反应 2.0h,
生成 1-{2-[4-(3,3-dimethyl-2-oxoazetidin-1-yl)phenylamino]-4-fluorobenzyl}-3-(4-fluoro-3-trifluoromethylphenyl)-5,5-dimethylimidazolidine-2,4-dione