ethyl 6-(bromomethyl)-4-(4-methoxyphenyl)-1-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate 、
Potassium;8-chloro-1,3-dimethylpurin-9-ide-2,6-dione 以
N,N-二甲基甲酰胺 、
叔丁醇 为溶剂,
反应 3.0h,
以81%的产率得到ethyl 6-[(8-chloro-1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)methyl]-4-(4-methoxyphenyl)-1-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate