、 [(2R,3S,5R)-2-[[2-cyanoethylsulfanyl-[(2R,3S,5R)-5-[6-(2,5-dichlorophenoxy)-2-(2-methylpropanoylamino)purin-9-yl]-2-(hydroxymethyl)oxolan-3-yl]oxyphosphoryl]oxymethyl]-5-[6-(2,5-dichlorophenoxy)-2-(2-methylpropanoylamino)purin-9-yl]oxolan-3-yl] 4-oxopentanoate 在
苯甲基-2-磺酰三硝基三氮唑 作用下,
以
吡啶 为溶剂,
反应 0.03h,
以78%的产率得到