Acetic acid (2R,3R,4S,5R,6R)-3-acetoxy-6-acetoxymethyl-2-(3-acetylsulfanyl-propoxy)-5-((2S,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-4-yl ester 在
sodium methylate 作用下,
以
甲醇 为溶剂,
生成
(2S,3R,4S,5R,6R)-2-[(2R,3S,4R,5R,6R)-4,5-dihydroxy-2-(hydroxymethyl)-6-(3-sulfanylpropoxy)oxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol