(1S,3S,9R,10R,12R)-3-(3(S)-hydroxy-5(R)-(thymin-1-yl)tetrahydrofuran-2(R)-yl)methoxy-3-oxo-12-hydroxymethyl-10-(thymin-1-yl)-2,4,11-trioxa-3-phosphabicyclo[7.3.0]dodecan 在
2,6-二甲基吡啶 、
4,5-二氰基咪唑 作用下,
以
二氯甲烷 、
二甲基亚砜 、
乙腈 为溶剂,
反应 48.5h,
生成 3-[[(2R,3S,5R)-2-[[(2R,7aR,8R,10R,10aS)-10-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-8-(2,4-dioxopyrimidin-1-yl)-2-oxo-4,5,6,7,7a,8,10,10a-octahydrofuro[3,4-d][1,3,2]dioxaphosphonin-2-yl]oxymethyl]-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl]oxy-[di(propan-2-yl)amino]phosphanyl]oxypropanenitrile