5-chloro-6-hydroxy-3-{5-[2-(1-hydroxy-1-methyl-ethyl)-pyrimidin-4-yl]-2-methyl-phenyl}-2-methyl-3H-pyrimidin-4-one 、
1-chloromethyl-2,4-difluoro-3-methyl-benzene 在
18-冠醚-6 、
potassium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 3.0h,
以37%的产率得到5-chloro-6-(2,4-difluoro-3-methyl-benzyloxy)-3-{5-[2-(1-hydroxy-1-methyl-ethyl)-pyrimidin-4-yl]-2-methyl-phenyl}-2-methyl-3H-pyrimidin-4-one