(2S,3S,4R,5S,6R)-2-(4-chloro-3-((2,3-dihydrobenzo[b][1,4]dioxin-6-yl)methyl)phenyl)-6-methoxytetrahydro-2H-pyran-3,4,5-triyl triacetate 在
甲醇 、
sodium methylate 作用下,
反应 1.0h,
以74%的产率得到(2S,3R,4R,5S,6R)-2-{4-chloro-3-[(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)methyl]phenyl}-6-methoxytetrahydro-2H-pyran-3,4,5-triol