phenyl 3-O-(3-O-acetyl-4,6-O-benzylidene-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-4,6-O-benzylidene-2-deoxy-2-phthalimido-1-thio-β-D-glucopyranoside 、
methyl (4,6-O-benzylidene-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-(1->3)-(4,6-O-benzylidene-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-(1->3)-4,6-O-benzylidene-2-deoxy-2-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 4.0h,
以90%的产率得到methyl (3-O-acetyl-4,6-O-benzylidene-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-(1->3)-(4,6-O-benzylidene-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-(1->3)-(4,6-O-benzylidene-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-(1->3)-(4,6-O-benzylidene-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-(1->3)-4,6-O-benzylidene-2-deoxy-2-phthalimido-β-D-glucopyranoside