O-(2,3,4-tri-O-acetyl-α-L-fucopyranosyl)-(1->3)-O-(2-acetamido-4,6-di-O-acetyl-2-deoxy-β-D-glucopyranosyl)-(1->3)-2,4,6-tri-O-acetyl-α-D-galactopyranosyl bromide 在
sodium methylate 、
氰化汞 、
溶剂黄146 作用下,
以
甲醇 为溶剂,
反应 49.0h,
生成
4-nitrophenyl O-α-L-fucopyranosyl-(1->3)-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-(1->3)-O-β-D-galactopyranosyl)-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside