4-(4-(8-oxa-3-azabicyclo[3.2.1]octan-3-yl)-1-(1-(2,2,2-trifluoroethyl)piperidin-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-6-yl)aniline 、
三光气 、
三乙胺 、
乙二醇 在
resultant residue 、
乙腈 、
三氟乙酸 作用下,
以
四氢呋喃 为溶剂,
反应 0.42h,
以After the concentration of fractions under reduced pressure, 2-hydroxyethyl(4-{4-(8-oxa-3-azabicyclo[3.2.1]oct-3-yl)-1-[1-(2,2,2-trifluoroethyl)piperidin-4-yl]-1H-pyrazolo[3,4-d]pyrimidin-6-yl}phenyl)carbamate (55 mg, 56%) was obtained as clear blond semi-solid的产率得到2-hydroxyethyl (4-{4-(8-oxa-3-azabicyclo[3.2.1]oct-3-yl)-1-[1-(2,2,2-trifluoroethyl)piperidin-4-yl]-1H-pyrazolo[3,4-d]pyrimidin-6-yl}phenyl)carbamate