[(2R,3R,4S,5S,6R)-3,4,5-triacetoxy-6-(4-bromo-2-chloro-phenoxy)-5-methyl-tetrahydropyran-2-yl]methyl acetate 、
sodium methylate 以
甲醇 为溶剂,
反应 18.0h,
以to give the title compound (888 mg, 86.1%) as a white solid的产率得到(2R,3S,4S,5S,6R)-2-(4-bromo-2-chlorophenoxy)-6-(hydroxymethyl)-3-methyltetrahydro-2H-pyran-3,4,5-triol