6-(1-bromoethyl)-1-(tetrahydro-2H-pyran-4-yl)-1,5-dihydro-4Hpyrazolo[3,4-d]pyrimidin-4-one 、
2-(Azetidin-3-yloxy)pyrimidine 在
potassium carbonate 作用下,
以
乙腈 为溶剂,
反应 5.0h,
以88 mg的产率得到6-{1-[3-(pyrimidin-2-yloxy)azetidin-1-yl]ethyl}-1-(tetrahydro-2H-pyran-4-yl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one