(2S,3S,4R,5S,6R)-2-(4-methyl-3-((5-(4-(methylthio)phenyl)thiophen-2-yl)methyl)phenyl)-6-(methylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate 在
甲醇 、
sodium methylate 作用下,
反应 1.5h,
以85%的产率得到(2S,3R,4R,5S,6R)-2-[3-((5-(4-methylthiophenyl)thienyl)-2-methylene)-4-methylphenyl]-6-methylthiotetrahydropyran-3,4,5-triol