4-苯基哌啶-4-羧酸甲酯 、
1-(4-bromobut-1-yl)-6-(3,4-difluorophenyl)-1,6-dihydro-5-methoxycarbonyl-2,4-dimethylpyrimidine 在
potassium carbonate 、 sodium iodide 作用下,
以
1,4-二氧六环 为溶剂,
以63%的产率得到6-(3,4-Difluoro-phenyl)-1-[4-(4-methoxycarbonyl-4-phenyl-piperidin-1-yl)-butyl]-2,4-dimethyl-1,6-dihydro-pyrimidine-5-carboxylic acid methyl ester