在
zinc dibromide 作用下,
以
二氯甲烷 、
异丙醇 为溶剂,
反应 0.25h,
以88%的产率得到[(2R,3R,4R,5R)-4-benzoyloxy-2-[[[(2R,3R,4R,5R)-5-(3-butylsulfanylcarbonyl-2,4-dioxopyrimidin-1-yl)-2-(hydroxymethyl)-4-(2-methoxypropan-2-yloxy)oxolan-3-yl]oxy-(5-chloroquinolin-8-yl)oxyphosphoryl]oxymethyl]-5-[6-butylsulfanylcarbonyloxy-2-(2-methylpropanoylamino)purin-9-yl]oxolan-3-yl] benzoate