Acetic acid (2R,3R,4R,5S,6R)-2,5-diacetoxy-6-acetoxymethyl-3-((Z)-1-methyl-3-oxo-but-1-enylamino)-tetrahydro-pyran-4-yl ester 在
silica gel 作用下,
以
甲醇 为溶剂,
反应 72.0h,
以31%的产率得到Acetic acid (2R,3S,4R,5R,6S)-3-acetoxy-2-acetoxymethyl-6-hydroxy-5-((Z)-1-methyl-3-oxo-but-1-enylamino)-tetrahydro-pyran-4-yl ester