(2S,4R,5S)-1-ethyl-2-methyl-4-acetoxy-5-(5-fiuoro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)pyrrolidin-1,2-dicarboxylate 在
sodium tetrahydroborate 作用下,
以
1,4-二氧六环 、
水 为溶剂,
反应 3.0h,
生成 (2S,3R,5S)-ethyl-2-(5-fluoro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3-hydroxy-5-(hydroxymethyl)pyrrolidine-1-carboxylate