benzyl [(6S,9R,16S,17S,20R,23S)-16-[[(2S)-2-hydroxy-2-[(2R,5R,6R)-2-hydroxy-6-methyl-5-[(2S)-2-methylbutyl]oxan-2-yl]propanoyl]amino]-6,20-dimethyl-2,5,8,15,19,22-hexaoxo-7-phenylmethoxycarbonyloxy-17-propan-2-yl-18-oxa-1,4,7,13,14,21,27-heptazatricyclo[21.4.0.09,14]heptacosan-21-yl] carbonate 在
palladium on activated charcoal
氢气 作用下,
以
乙醚 为溶剂,
反应 18.25h,
生成
(2S)-2-hydroxy-N-[(6S,9R,16S,17S,20R,23S)-21-hydroxy-6,20-dimethyl-2,5,8,15,19,22-hexaoxo-7-phenylmethoxy-17-propan-2-yl-18-oxa-1,4,7,13,14,21,27-heptazatricyclo[21.4.0.09,14]heptacosan-16-yl]-2-[(2R,5R,6R)-2-hydroxy-6-methyl-5-[(2S)-2-methylbutyl]oxan-2-yl]propanamide