(2S,3R,4S,5S,6S)-2-(4-((4-(difluoromethyl)phenylcarbamoyloxy)methyl)phenoxy)-6-(methoxycarbonyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate 在
lithium hydroxide monohydrate 作用下,
以
四氢呋喃 、
甲醇 、
水 为溶剂,
以83%的产率得到(2S,3S,4S,5R,6S)-6-(4-((4-(difluoromethyl)phenylcarbamoyloxy)methyl)phenoxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid