ethyl 4-hydroxy-2-methylbutanedioate 、
替比夫定 在
4,5-二氰基咪唑 、
双氧水 作用下,
以
四氢呋喃 、
乙腈 为溶剂,
反应 3.25h,
生成 ethyl (S)-2-methyl-4-(((2R,4aS,6S,7aR)-6-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2-oxidotetrahydro-4H-furo[3,2-d][1,3,2]dioxaphosphinin-2-yl)oxy)butanoate 、
ethyl (R)-2-methyl-4-(((2R,4aS,6S,7aR)-6-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2-oxidotetrahydro-4H-furo[3,2-d][1,3,2]dioxaphosphinin-2-yl)oxy)butanoate 、 ethyl (S)-2-methyl-4-(((2S,4aS,6S,7aR)-6-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2-oxidotetrahydro-4H-furo[3,2-d][1,3,2]dioxaphosphinin-2-yl)oxy)butanoate 、 ethyl (R)-2-methyl-4-(((2S,4aS,6S,7aR)-6-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2-oxidotetrahydro-4H-furo[3,2-d][1,3,2]dioxaphosphinin-2-yl)oxy)butanoate