4-(4-(8-oxa-3-azabicyclo[3.2.1]octan-3-yl)-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-6-yl)aniline 、
三光气 、
环丙胺 、 3-(6-(4-isocyanatophenyl)-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-8-oxa-3-azabicyclo[3.2.1]octane 在
乙腈 、
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 0.08h,
以to provide 1-cyclopropyl-3-{4-[1-methyl-4-(8-oxa-3-azabicyclo[3.2.1]oct-3-yl)-1H-pyrazolo[3,4-d]pyrimidin-6-yl]phenyl}urea的产率得到1-cyclopropyl-3-{4-[1-methyl-4-(8-oxa-3-azabicyclo[3.2.1]oct-3-yl)-1H-pyrazolo[3,4-d]pyrimidin-6-yl]phenyl}urea