2-(trimethylsilyl)ethyl-2,3,4-tri-O-benzyl-α-D-fucopyranosyl-(1-3)-[2,3,4-tri-O-benzyl-α-D-fucopyranosyl-(1-4)]-6-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranoside 、
乙酸酐 在
肼 、
吡啶 作用下,
以
乙醇 为溶剂,
反应 3.0h,
以47%的产率得到2-(trimethylsilyl)ethyl-2,3,4-tri-O-acetyl-α-D-fucopyranosyl-(1-3)-[2,3,4-tri-O-acetyl-α-D-fucopyranosyl-(1-4)]-2-acetamido-6-O-acetyl-2-deoxy-β-D-glucopyranoside