4-(2-fluoro-4-methanesulfonyl-phenoxy)-1-[4-(3-isopropyl-[1,2,4]oxadiazol-5-yl)-cis-cyclohexyl]-1H-pyrazolo[3,4-d]pyrimidine 、
tert-butyl 4-(4-chloro-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidine-1-carboxylate 、
3-氟-4-(甲基亚磺酰基)苯酚 在
methanol-dichloromethane 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以to give 4-(3-fluoro-4-methanesulfonyl-phenoxy)-1-[1-(3-isopropyl-[1,2,4]oxadiazol-5-yl)-piperidin-4-yl]-1H-pyrazolo[3,4-d]pyrimidine (12 mg, 22%) as a white solid的产率得到4-(3-fluoro-4-methanesulfonyl-phenoxy)-1-[1-(3-isopropyl-[1,2,4]oxadiazol-5-yl)-piperidin-4-yl]-1H-pyrazolo[3,4-d]pyrimidine