6-(cyclopropanecarboxamido)-4-((2-methoxy-3-((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)carbamoyl)phenyl)amino)-N-(methyl-d3)pyridazine-3-carboxamide 、
3-溴-1-乙基-1H-1,2,4-三唑 在
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride 、
potassium carbonate 作用下,
以
1,4-二氧六环 、
水 为溶剂,
以53 %的产率得到6-(cyclopropanecarboxamido)-4-((3-((4-(1-ethyl-1H-1,2,4-triazol-3-yl)phenyl)carbamoyl)-2-methoxyphenyl)amino)-N-(methyl-d3)pyridazine-3-carboxamide