methyl 2,4,6-tri-O-benzyl-β-D-galactopyranoside 、
Phenyl O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->4)-O-<(2,3,4-tri-O-benzyl-α-L-fucopyranosyl)-(1->3)>-6-O-benzyl-2-deoxy-2-phthalimido-1-thio-β-D-glucopyranoside 在
N-碘代丁二酰亚胺 、
三氟甲磺酸 、 4 A molecular sieve 作用下,
以
二氯甲烷 为溶剂,
反应 0.67h,
以83%的产率得到Methyl O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->4)-O-<(2,3,4-tri-O-benzyl-α-L-fucopyranosyl)-(1->3)>-(6-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-(1->3)-2,4,6-tri-O-benzyl-β-D-galactopyranoside