(3aS,4R,6aR)-tert-butyl 4-((R)-3-(((3aR,4R,6R,6aR)-6-methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl)-4-oxothiazolidin-2-yl)-2,2-dimethyldihydro-3aH-[1,3]dioxolo[4,5-c]pyrrole-5(4H)-carboxylate 在
三氟乙酸 作用下,
以
水 为溶剂,
反应 1.0h,
以65%的产率得到(R)-3-((((2R,3S,4R,5R)-3,4-dihydroxy-5-methoxytetrahydrofuran-2-yl)methyl)-2-methyl)-2-((2R,3S,4R)-3,4-dihydroxypyrrolidin-2-yl)thiazolidin-4-one