phenyl 2-O-benzoyl-3-O-benzyl-4,6-O-di-tert-butylsilylene-1-thio-β-D-galactopyranoside 、
5-benzyloxycarbonylamino-1-pentyl (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 在
N-碘代丁二酰亚胺 、
三氟甲磺酸 作用下,
以
二氯甲烷 为溶剂,
反应 2.67h,
以58%的产率得到5-benzyloxycarbonylamino-1-pentyl (2-O-benzoyl-3-O-benzyl-4,6-O-di-tert-butylsilylene-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