2-(3,4-dimethoxy-phenyl)-5-iodo-imidazo[2,1-b][1,3,4]thiadiazole 、
4-[5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-3-trifluoromethyl-pyridin-2-yl]-piperazine-1-carboxylic acid tert-butyl ester 在
bis-triphenylphosphine-palladium(II) chloride sodium carbonate 作用下,
以
1,4-二氧六环 为溶剂,
反应 2.5h,
以56%的产率得到4-{5-[2-(3,4-dimethoxy-phenyl)-imidazo[2,1-b][1,3,4]thiadiazol-5-yl]-3-trifluoromethyl-pyridin-2-yl}-piperazine-1-carboxylic acid tert-butyl ester