Methyl O-(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranosyl)-(1->3)-O-β-D-galactopyranosyl-(1->4)-O-<α-L-fucopyranosyl-(1->3)>-β-D-glucopyranoside 在
甲醇 、
sodium methylate 作用下,
反应 0.5h,
以100%的产率得到Methyl O-2-acetamido-2-deoxy-α-D-galactopyranosyl-(1->3)-O-β-D-galactopyranosyl-(1->4)-O-<α-L-fucopyranosyl-(1->3)>-β-D-glucopyranoside