[2-[4-[4-[4-(Methylcarbamoylamino)phenyl]-6-morpholin-4-ylpyrazolo[3,4-d]pyrimidin-1-yl]piperidin-1-yl]-2-oxoethyl] acetate 在
水 、 sodium hydroxide 作用下,
以
甲醇 为溶剂,
以251 mg的产率得到1-[4-[1-[1-(2-hydroxyacetyl)-4-piperidyl]-6-morpholino-pyrazolo[3,4-d]pyrimidin-4-yl]phenyl]-3-methyl-urea