[5-(7-morpholin-4-yl-3-piperidin-4-yl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-5-yl)pyridin-3-yl]methanol 、
tert-Butyl 4-(5-chloro-7-morpholino-3H-[1,2,3]triazolo[4,5-d]pyrimidin-3-yl)piperidine-1-carboxylate 、
5-甲酰基吡啶-3-硼酸酯 以to give the intermediate 5-[3-(1-BOC-piperidin-4-yl)-7-morpholin-4-yl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-5-yl]-pyridine-3-carbaldehyde (300 mg)的产率得到5-[3-(1-tert-butoxycarbonyl-piperidin-4-yl)-7-morpholin-4-yl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-5-yl]-pyridine-3-carbaldehyde