((2R,3S,5R)-3-acetoxy-5-(5-((2-ethoxyethyl)selanyl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl acetate 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以100%的产率得到5-((2-ethoxyethyl)selanyl)-1-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione