(2R,3R,4S,5R)-6-oxo-6-(((S)-1-phenylpropan-2-yl)amino)-3-(((2S,3R,4S, 5S,6R)-3,4,5-triacetoxy-6-(acetoxymethyl)tetrahydro-2H-pyran-2-yl)oxy)hexane-1,2,4,5-tetrayl tetraacetate 在
甲醇 、
sodium methylate 作用下,
以85 mg的产率得到(2R,3R,4R,5R)-2,3,5,6-tetrahydroxy-N-((S)-1-phenylpropan-2-yl)-4-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)hexanamide