O-(2,3,4,6-Tetra-O-acetyl-β-D-galactopyranosyl)-(1->4)-O-(2-acetamido-3,6-di-O-acetyl-2-desoxy-β-D-glucopyranosyl)-(1->2)-O-(3,4,6-tri-O-acetyl-α-D-mannopyranosyl)-(1->6)-O-(2,3,4-tri-O-acetyl-β-D-mannopyranosyl)-(1->4)-2-acetamido... 在
甲醇 、
potassium carbonate 作用下,
反应 24.0h,
以90%的产率得到O-β-D-galactopyranosyl-(1→4)-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-(1→2)-O-α-D-mannopyranosyl-(1→6)-O-β-D-mannopyranosyl-(1→4)-2-acetamido-2-deoxy-α,β-D-glucopyranose