3-chloro-4-((3,5-difluoropyridin-2-yl)methoxy)-5',6-dimethyl-2'-(trimethylstannyl)-2H-[1,4'-bipyridin]-2-one 、
methyl 5-bromo-1,2,4-thiadiazole-3-carboxylate 在
bis-triphenylphosphine-palladium(II) chloride 、
copper(l) iodide 作用下,
以150 mg的产率得到methyl 5-(3-chloro-4-((3,5-difluoropyridin-2-yl)methoxy)-5',6-dimethyl-2-oxo-2H-[1,4'-bipyridin]-2'-yl)-1,2,4-thiadiazole-3-carboxylate