methyl (S)-2-((2R,3R,4S,5S,6S)-4-hydroxy-6-((2S,5R,6S,11S,E)-11-hydroxy-5,6-dimethoxy-11-phenylundec-3-en-2-yl)-2,3-dimethoxy-5-methyltetrahydro-2H-pyran-2-yl)propanoate 在
barium hydroxide octahydrate 、
sodium hydrogen sulfate 、
水 作用下,
以
甲醇 为溶剂,
反应 12.0h,
以73%的产率得到(2S)-2-[(2R,3R,4S,5S,6S)-4-hydroxy-6-[(E,2S,5R,6S,11S)-11-hydroxy-5,6-dimethoxy-11-phenylundec-3-en-2-yl]-2,3-dimethoxy-5-methyloxan-2-yl]propanoic acid