[(2R,3R,4S,5R,6S)-3,4,5-triacetyloxy-6-[4-[2-(2,3-dihydro-1,4-benzodioxin-6-yl)acetyl]-3-hydroxyphenoxy]oxan-2-yl]methyl acetate 在
吡啶 、
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 10.53h,
生成 3-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(trifluoromethyl)-7-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-4-one