、
乙酸酐 在
吡啶 作用下,
反应 21.0h,
以30 mg的产率得到5-benzyloxycarbonylamino-1-pentyl (2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranosyl)-(1→3)-[2,3,4-tri-O-acetyl-α-L-fucopyranosyl-(1→2)]-(4,6-di-O-acetyl-β-D-galactopyranosyl)-(1→4)-3,6-di-O-acetyl-2-deoxy-2-phthalimide-β-D-glucopyranoside