3-(四氟乙酰氨)-1-丙醇 、 [methyl (5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosyl)onate]-(2->3)-2,4,6-tri-O-acetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-acetyl-D-glucopyranosyl trichloroacetimidate 在
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以52%的产率得到3-trifluoroacetamidopropyl [methyl (5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosyl)onate]-(2->3)-2,4,6-tri-O-acetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-acetyl-β-D-glucopyranoside