4-nitrophenyl 2-acetamido-2-deoxy-4,6-O-(4-methoxybenzylidene)-β-D-glucopyranoside 、
3-O-(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-glucopyranosyl)-2,4,6-tri-O-acetyl-β-D-galactopyranosyl bromide 在
氰化汞 作用下,
以
硝基甲烷 、
苯 为溶剂,
反应 6.0h,
以67%的产率得到4-nitrophenyl O-(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-β-D-glucopyranosyl)-(1->3)-O-(2,4,6-tri-O-acetyl-β-D-galactopyranosyl)-(1->3)-2-acetamido-2-deoxy-4,6-O-(4-methoxybenzylidene)-β-D-glucopyranoside