methyl (2R,4S,5R,6R)-5-acetamido-2-[[(2R,3R,4R,5R,6S)-5-acetamido-3,4-dihydroxy-6-[(2R,3S)-4-[(2-methylpropan-2-yl)oxy]-4-oxo-3-(phenylmethoxycarbonylamino)butan-2-yl]oxyoxan-2-yl]methoxy]-4-acetyloxy-6-[(1S,2R)-1,2,3-triacetyloxypropyl]oxane-2-carboxylate 在
palladium on activated charcoal
4-二甲氨基吡啶 、
sodium hydroxide 、
甲酸 、
氢气 作用下,
以
吡啶 、
甲醇 为溶剂,
生成 (2R,4S,5R,6R)-5-Acetylamino-2-[(2R,3R,4R,5R,6S)-5-acetylamino-6-((1R,2S)-2-acetylamino-2-carboxy-1-methyl-ethoxy)-3,4-dihydroxy-tetrahydro-pyran-2-ylmethoxy]-4-hydroxy-6-((1R,2R)-1,2,3-trihydroxy-propyl)-tetrahydro-pyran-2-carboxylic acid