(2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-(benzo[b][1,4]dioxine-2-carboxamido)tetrahydro-2H-pyran-3,4,5-triyl triacetate 在
sodium methylate 、 Amberlist 15 作用下,
以
甲醇 为溶剂,
反应 0.25h,
以91%的产率得到N-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)benzo[b][1,4]dioxine-2-carboxamide