(2S,3S,4R,5S,6R)-2-(5-((5-(4-fluorophenyl)thiophen-2-yl)methyl)-2-methoxy-4-methylphenyl)-6-(methylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate 在
甲醇 、
sodium methylate 作用下,
反应 1.5h,
以80%的产率得到(2S,3R,4R,5S,6R)-2-[3-((5-(4-fluorophenyl)thienyl)-2-methylene)-2-methoxy-4-methylphenyl]-6-methylthiotetrahydropyran-3,4,5-triol