6-azidohexyl 3-O-acetyl-4,6-O-benzylidene-2-deoxy-2-(2,2,2-trichloroethoxycarbonylamino)-β-D-galactopyranosyl-(1->3)-2-O-benzyl-4,6-O-benzylidene-α-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside 、
sodium methylate 在
Amberlite IR-120 resin (H
+) 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 2.0h,
以46.5%的产率得到6-azidohexyl 4,6-O-benzylidene-2-deoxy-2-methoxycarbonylamino-β-D-galactopyranosyl-(1->3)-2-O-benzyl-4,6-O-benzylidene-α-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside