吡唑并[1,5-A]吡啶-7-甲酰胺 、 6-bromo-8-isopropoxy-2-(1-methyl-2-oxabicyclo[2.1.1]hexan-4-yl)imidazo[1,2-a]pyrazine 在
tris-(dibenzylideneacetone)dipalladium(0) 作用下,
以46%的产率得到N-(8-isopropoxy-2-(1-methyl-2-oxabicyclo[2.1.1]hexan-4-yl)imidazo[1,2-a]pyrazin-6-yl)pyrazolo[1,5-a]pyridine-7-carboxamide 2,2,2-trifluoroacetate