[(2R,3R,4R,5R)-5-(2-acetamido-6-oxo-3H-purin-9-yl)-2-[[[(2R,3R,4R,5R)-5-(2-acetamido-6-oxo-3H-purin-9-yl)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-fluorooxolan-3-yl]oxy-methoxyphosphoryl]oxymethyl]-4-(2-methylpropanoyloxy)oxolan-3-yl] 2-methylpropanoate 在
三氟乙酸 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 3.0h,
以72%的产率得到[(2R,3R,4R,5R)-5-(2-acetamido-6-oxo-3H-purin-9-yl)-2-[[[(2R,3R,4R,5R)-5-(2-acetamido-6-oxo-3H-purin-9-yl)-4-fluoro-2-(hydroxymethyl)oxolan-3-yl]oxy-methoxyphosphoryl]oxymethyl]-4-(2-methylpropanoyloxy)oxolan-3-yl] 2-methylpropanoate