4-[5-(4-bromophenyl)-6-trifluoromethyl-pyridazin-3-yl]-piperazine-1-carboxylic acid tert-butyl ester 、
4-氟苯硼酸 在
bis(dicyclohexylamine)-palladium(II) acetate
potassium phosphate 作用下,
以
1,4-二氧六环 为溶剂,
以56%的产率得到4-[5-(4'-fluorobiphenyl-4-yl)-6-trifluoromethyl-pyridazin-3-yl]-piperazine-1-carboxylic acid tert-butyl ester