4'-pentenyl 3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl-(1-4)-[3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl-(1-2)]-3,6-di-O-benzyl-α-D-mannopyranoside 、
para-methoxyphenyl 4,6-O-benzylidene-2-O-levulinoyl-β-D-glucopyranosyl-(1-4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl-(1-4)-[2,3,4-tri-O-benzyl-α-L-fucopyranosyl-(1-6)]-3-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranoside 在
N-碘代丁二酰亚胺 、
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
反应 0.75h,
生成 para-methoxyphenyl {3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl-(1-4)-[3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl-(1-2)]-3,6-di-O-benzyl-α-D-mannopyranosyl-(1-3)}-4,6-O-benzylidene-2-O-levulinoyl-β-D-glucopyranosyl-(1-4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl-(1-4)-[2,3,4-tri-O-benzyl-α-L-fucopyranosyl-(1-6)]-3-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranoside