2-methyl-1-methylsulfonylpiperazine 、 6-(4,6-difluoro-2-pyridyl)-5-methyl-2-pyrimidin-2-yl-7,8-dihydro-5H-pyrido[4,3-d]pyrimidine 在
potassium carbonate 作用下,
以
N-甲基吡咯烷酮 为溶剂,
反应 2.0h,
以20.3 mg的产率得到6-[4-fluoro-6-(3-methyl-4-methylsulfonylpiperazin-1-yl)-2-pyridyl]-5-methyl-2-pyrimidin-2-yl-7,8-dihydro-5H-pyrido[4,3-d]pyrimidine