benzyl 1,2,3,6-tetra-O-benzyl-α-D-glucopyranoside 、
3,4,6-tri-O-acetyl-2-azido-2-deoxy-D-glucopyranosyl trichloroacetimidate 在
三氟甲磺酸 作用下,
以
乙醚 为溶剂,
反应 0.33h,
以69%的产率得到benzyl O-(3,4,6-tri-O-acetyl-2-azido-2-deoxy-α-D-glucopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-α-D-glucopyranoside