(2R,3S,4R,5R,6R)-5-(2-acetamido-4-phenylbutanamido)-2-(acetoxymethyl)-6-(cyclohexylthio)-tetrahydro-2H-pyran-3,4-diyl diacetate 在
sodium methylate 作用下,
以
甲醇 为溶剂,
以95%的产率得到N'-acetyl-N-((2R,3R,4R,5S,6R)-2-(cyclohexylthio)-4,5-dihydroxy-6-(hydroxymethyl)-tetrahydro-2H-pyran-3-ylamino)-4-phenylbutanehydrazide