methyl 2,6-di-O-acetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-acetyl-β-D-glucopyranosyl-(1->6)-[2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)]-3-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl-(1->3)-2,4,6-tri-O-... 、
2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)-[2,3,4,6-tetra-O-acetyl)-β-D-glucopyranosyl-(1->6)]-3-O-acetyl-2-deoxy-2-phthalimido-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 2.0h,
以69%的产率得到