methyl [4-(trimethylsilylethynyl)phenyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranoside]onate 在
四丁基氟化铵 作用下,
以
四氢呋喃 、
二氯甲烷 为溶剂,
反应 0.67h,
以88%的产率得到methyl [4-ethynylphenyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranoside]onate