O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(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 、
benzyl 2-acetamido-2-deoxy-4,6-O-(4-methoxybenzylidene)-α-D-galactopyranoside 在
氰化汞 作用下,
以
硝基甲烷 、
苯 为溶剂,
生成