(O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1-4))-((2,3,4-tri-O-acetyl-α-L-fucopyranoside)-(1-3))-2-acetamido-2-deoxy-6-O-acetyl-1-O-propargyl-β-D-glucopyranoside 在
sodium methylate 作用下,
以
甲醇 为溶剂,
以87%的产率得到2-acetamido-2-deoxy-(β-D-galactopyranosyl-(1-4))-((-α-L-fucopyranosyl)-(1-3))-1-O-propargyl-β-D-glucopyranoside