三甲基乙炔基硅 、 methyl (4-iodophenyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosid)onate 在
bis-triphenylphosphine-palladium(II) chloride 、
copper(l) iodide 、
三乙胺 作用下,
以
四氢呋喃 为溶剂,
反应 18.0h,
以97%的产率得到methyl [4-(trimethylsilylethynyl)phenyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranoside]onate