8-fluoro-7-(trifluoromethyl)imidazo[1,2-a]pyridine 、
1-(5-溴-2-氟苯基)吡咯烷-2-酮 以to give 1-[2-fluoro-5-(8-fluoro-7-trifluoromethylimidazo[1,2-α]pyridin-3-yl)-phenyl]pyrrolidin-2-one as a white solid (90 mg, 24%)的产率得到1-[2-fluoro-5-(8-fluoro-7-(trifluoromethyl)imidazo[1,2-a]pyridin-3-yl)phenyl]pyrrolidin-2-one