(Z)-4-(((1R,3S)-3-amino-2,2,3-trimethylcyclopentyl)amino)-6-bromo-N'-(2-cyclopropylphenyl)pyrrolo[1,2-b]pyridazine-3-carboximidamide 、
4-(4,4,5-trimethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 在
potassium phosphate 、 dichloro[1,1'-bis(di-t-butylphosphino)ferrocene]palladium(II) 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以14%的产率得到(Z)-4-(((1R,3S)-3-amino-2,2,3-trimethylcyclopentyl)amino)-N'-(2-cyclopropylphenyl)-6-(1H-pyrazol-4-yl)pyrrolo[1,2-b]pyridazine-3-carboximidamide