(2R,3R,4R,5R)-2-(acetoxymethyl)-5-(4-amino-5-((2-ethoxyethyl)selanyl)-2-oxopyrimidin-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4-amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-(2-ethoxyethylselanyl)pyrimidin-2-one