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 、 sodium cyanoborohydride 作用下,
以
水 、
溶剂黄146 、
乙腈 为溶剂,
25.0 ℃
、101.33 kPa
条件下,
反应 6.25h,
生成
(2S)-N-[(6S,9R,16S,17S,20R,23S)-7,21-dihydroxy-6,13,20,27-tetramethyl-2,5,8,15,19,22-hexaoxo-17-propan-2-yl-18-oxa-1,4,7,13,14,21,27-heptazatricyclo[21.4.0.09,14]heptacosan-16-yl]-2-hydroxy-2-[(2R,5R,6R)-2-hydroxy-6-methyl-5-[(2S)-2-methylbutyl]oxan-2-yl]propanamide