methyl (2S,3S,4S,5R,6S)-3,4,5-tris(acetoxy)-6-[(3-{(1R)-1-[(5S)-2-(methylamino)-4-oxo-4,5-dihydro-1,3-oxazol-5-yl]ethyl}-1H-indol-6-yl)oxy]tetrahydro-2H-pyran-2-carboxylate 在
sodium carbonate 作用下,
以
甲醇 、
水 为溶剂,
反应 3.5h,
以31%的产率得到sodium (2S,3S,4S,5R,6S)-3,4,5-trihydroxy-6-[(3-{(1R)-1-[(5S)-2-(methylamino)-4-oxo-4,5-dihydro-1,3-oxazol-5-yl]ethyl}-1H-indol-6-yl)oxy]tetrahydro-2H-pyran-2-carboxylate