(1S,4S)-tert-butyl 5-(4-((E)-3-(dimethylamino)acryloyl)-3-methylphenyl)-2,5-diazabicyclo[2.2.1]heptane-2-carboxylate 、
4-(1H-indazol-4-yl)-3-(pyridin-4-yl)-1H-pyrazol-5-amine 以provided (1S,4S)-tert-butyl 5-(4-(3-(1H-indazol-4-yl)-2-(pyridin-4-yl)pyrazolo[1,5-a]pyrimidin-7-yl)-3-methylphenyl)-2,5-diazabicyclo-[2.2.1]heptane-2-carboxylate, which的产率得到(1S,4S)-tert-butyl 5-(4-(3-(1H-indazol-4-yl)-2-(pyridin-4-yl)pyrazolo[1,5-a]pyrimidin-7-yl)-3-methylphenyl)-2,5-diazabicyclo-[2.2.1]heptane-2-carboxylate