1,6-dihydro-1-{N-[3-(4,4-diphenylpiperidin-1-yl)propyl]carboxamido}-2-methoxy-5-methoxycarbonyl-4-methyl-6-(4-nitrophenyl)pyrimidine 在
盐酸 作用下,
以
四氢呋喃 为溶剂,
反应 2.0h,
以97%的产率得到3-[3-(4,4-Diphenyl-piperidin-1-yl)-propylcarbamoyl]-6-methyl-4-(4-nitro-phenyl)-2-oxo-1,2,3,4-tetrahydro-pyrimidine-5-carboxylic acid methyl ester