5-(1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-ylmethyl)-5-methyl-pyrimidine-2,4,6-trione 、
碘甲烷 在
potassium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 48.0h,
以90%的产率得到5-(1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-ylmethyl)-1,3,5-trimethyl-pyrimidine-2,4,6-trione