4-methoxyphenyl 2,3,6-tri-O-benzyl-β-D-glucopyranoside 、
4-O-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-2,3,6-tri-O-acetyl-α/β-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 3.0h,
以88%的产率得到para-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl-(1->4)-2,3,6-tri-O-acetyl-β-D-glucopyranosyl-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside