methyl (2S,3S,5R)-3-((2S,3S,5R)-3-((tert-butoxycarbonyl)amino)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-carboxamido)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-carboxylate 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
生成
methyl (2S,3S,5R)-3-[[(2S,3S,5R)-3-amino-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolane-2-carbonyl]amino]-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolane-2-carboxylate