[(2S,3S,4R,5R,6S)-4,5-dibenzoyloxy-6-[(2S,3R,4S,5S)-4,5-diacetyloxy-2-[5-acetyloxy-2-[3-acetyloxy-4-[(4-methoxyphenyl)methoxy]phenyl]-7-[(4-methoxyphenyl)methoxy]-4-oxochromen-3-yl]oxyoxan-3-yl]oxy-2-methyloxan-3-yl] benzoate 在
palladium hydroxide - carbon
氢气 作用下,
以
乙醇 、
乙酸乙酯 为溶剂,
生成 [(2S,3S,4R,5R,6S)-4,5-dibenzoyloxy-6-[(2S,3R,4S,5S)-4,5-diacetyloxy-2-[5-acetyloxy-2-(4-acetyloxy-3-hydroxyphenyl)-7-hydroxy-4-oxochromen-3-yl]oxyoxan-3-yl]oxy-2-methyloxan-3-yl] benzoate 、 [(2S,3S,4R,5R,6S)-4,5-dibenzoyloxy-6-[(2S,3R,4S,5S)-4,5-diacetyloxy-2-[5-acetyloxy-2-(3-acetyloxy-4-hydroxyphenyl)-7-hydroxy-4-oxochromen-3-yl]oxyoxan-3-yl]oxy-2-methyloxan-3-yl] benzoate