4-(3-ethyl-7-morpholin-4-yl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-5-yl)-2-methoxyaniline 、
5-chloro-3-ethyl-7-morpholin-4-yl-3H-[1,2,3]triazolo[4,5-d]pyrimidine 、
4-氨基-3-甲氧基苯硼酸频那醇酯 以to give the intermediate [4-(3-ethyl-7-morpholin-4-yl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-5-yl)-2-methoxy-phenyl]-carbamic acid tert-butyl ester (800 mg, 79% yield)的产率得到[4-(3-ethyl-7-morpholin-4-yl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-5-yl)-2-methoxy-phenyl]-carbamic acid tert-butyl ester