3-[3-chloro-4-[(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)-3-methyl-tetrahydropyran-2-yl]oxy-phenyl]-N-(2-methoxyethyl)benzamide 、 (2R,3S,4S,5S,6R)-2-(4-bromo-2-methyl-phenoxy)-6-(hydroxymethyl)-3-methyl-tetrahydropyran-3,4,5-triol 、
三甲基乙炔基硅 以
水 、
二甲基亚砜 、
乙腈 为溶剂,
以14%的产率得到(2R,3S,4S,5S,6R)-6-(hydroxymethyl)-3-methyl-2-[2-methyl-4-[2-[3-methyl-4-[(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)-3-methyl-tetrahydropyran-2-yl]oxy-phenyl]ethynyl]phenoxy]tetrahydropyran-3,4,5-triol