[(2R,3R,4R,5R)-2-[[(benzylamino)-[2-(2,2-dimethyl-3-trityloxypropanoyl)sulfanylethoxy]phosphoryl]oxymethyl]-5-[4-[[bis(4-methoxyphenyl)-phenylmethyl]amino]-2-oxopyrimidin-1-yl]-4-hydroxy-4-methyloxolan-3-yl] (2S)-3-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoate 在
三氟乙酸 、
甲醇 作用下,
以
二氯甲烷 为溶剂,
反应 2.55h,
以48%的产率得到[(2R,3R,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-2-[[(benzylamino)-[2-(3-hydroxy-2,2-dimethylpropanoyl)sulfanylethoxy]phosphoryl]oxymethyl]-4-hydroxy-4-methyloxolan-3-yl] (2S)-2-amino-3-methylbutanoate