phenyl (2,3,4,6-tetra-O-benzyl-α-D-glucopyranosyl)-(1->3)-2-O-acetyl-4-O-benzyl-1-thio-α-L-rhamnopyranoside 、
4-methoxyphenyl (2,3,4-tri-O-benzyl-α-D-glucopyranosyl)-(1->3)-(4-O-acetyl-2-azido-2-deoxy-α-L-fucopyranosyl)-(1->3)-4,6-O-benzylidene-2-deoxy-2-N-phthalimido-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 0.5h,
以76%的产率得到4-methoxyphenyl (2,3,4,6-tetra-O-benzyl-α-D-glucopyranosyl)-(1->3)-(2-O-acetyl-4-O-benzyl-α-L-rhamnopyranosyl)-(1->6)-(2,3,4-tri-O-benzyl-α-D-glucopyranosyl)-(1->3)-(4-O-acetyl-2-azido-2-deoxy-α-L-fucopyranosyl)-(1->3)-4,6-O-benzylidene-2-deoxy-2-N-phthalimido-β-D-glucopyranoside