2-(acetoxymethyl)-6-(3-(4,7-dimethoxybenzo[d][1,3]dioxol-5-yl)-6-methoxy-4-oxo-4H-chromen-7-yloxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以79%的产率得到3-(4,7-dimethoxybenzo[d][1,3]dioxol-5-yl)-6-methoxy-7-((3R,4S,5R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yloxy)-4H-chromen-4-one