(2R,3R,4R,5R)-2-(acetoxymethyl)-5-(5-((2-ethoxyethyl)seleninyl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3,4-diyl diacetate 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以100%的产率得到1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-(2-ethoxyethylseleninyl)pyrimidine-2,4-dione