5-(1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-ylmethyl)-1,3,5-trimethyl-pyrimidine-2,4,6-trione 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 0.33h,
以98%的产率得到5-(4-hydroxy-1,3,5-trimethyl-2,6-dioxo-hexahydro-pyrimidin-5-ylmethyl)-1,3-dimethyl-1H-pyrimidine-2,4-dione