3,6-di-O-benzoyl-4-O-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl)-1,2-O-<1-(exo-cyano)ethylidene>-α-D-glucopyranose 、
methyl 3-O-benzoyl-4-O-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl)-2-deoxy-2-phthalimido-6-O-trityl-β-D-glucopyranoside 在
Cl
(3)HO
4 作用下,
以
二氯甲烷 为溶剂,
反应 17.0h,
以84%的产率得到methyl O-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl)-(1-4)-O-(2-O-acetyl-3,6-di-O-benzoyl-β-D-glucopyranosyl)-(1-6)-3-O-benzoyl-4-O-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl)-2-deoxy-2-phthalimido-β-D-glucopyranoside