乙酸酐 、
(2R,3S,4R,5R,6S)-2-[3-[(E)-2-(3,4-dihydroxyphenyl)ethenyl]-5-hydroxyphenoxy]-6-(hydroxymethyl)oxane-3,4,5-triol 在
吡啶 作用下,
反应 2.0h,
生成 Acetic acid (2R,3S,4R,5S,6S)-4,5-diacetoxy-2-{3-acetoxy-5-[(E)-2-(3,4-diacetoxy-phenyl)-vinyl]-phenoxy}-6-acetoxymethyl-tetrahydro-pyran-3-yl ester