Benzoic acid (2S,3R,4R,5R)-4-acetoxy-3-methanesulfonyloxymethyl-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester 在
sodium iodide 作用下,
生成
Benzoic acid (2S,3R,4R,5R)-4-acetoxy-3-(diisopropoxy-phosphorylmethyl)-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester