[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