3,4,6-tri-O-acetyl-2-deoxy-2-fluoro-D-glucopyranose 、
3,4,5,7-tetra-O-benzyl-1-deoxy-α-D-galacto-hept-2-ulopyranose 在
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以60%的产率得到2,3,4,6-tetra-O-benzyl-1-deoxy-α-D-galacto-hept-2-ulopyranosyl-(2-1)-3,4,6-tri-O-acetyl-2-deoxy-2-fluoro-α-D-glucopyranoside