6-bromo-7-cyclohexyl-2-methyl-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester 、
4-氟苯硼酸 在
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride potassium phosphate 作用下,
以
1,4-二氧六环 为溶剂,
反应 14.0h,
以94%的产率得到7-cyclohexyl-6-(4-fluoro-phenyl)-2-methyl-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester