乙酸酐 、
tubuloside D 在
吡啶 作用下,
生成 [(2R,3R,4S,5R,6R)-5-acetyloxy-6-[2-(3,4-diacetyloxyphenyl)ethoxy]-2-[[(2R,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxymethyl]-4-[(2S,3R,4R,5S,6S)-3,4,5-triacetyloxy-6-methyloxan-2-yl]oxyoxan-3-yl] (E)-3-(4-acetyloxyphenyl)prop-2-enoate