((2R,3S,4R,5R)-5-(4-benzamido-2-oxopyrimidin-1(2H)-yl)-3-ethynyl-3,4-dihydroxytetrahydrofuran-2-yl)methyl ((2R,3S,5R)-5-(5-fluoro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2-(hydroxymethyl)tetrahydrofuran-3-yl) hydrogen phosphate 在
氨 作用下,
以
甲醇 、
水 为溶剂,
反应 120.0h,
生成
2'-deoxy-5-fluorouridylyl-(3'->5')-3'-C-ethynylcytidine