二(4-硝基苯基)己二酸酯 、
8-[(2-aminoethyl)thiol]-1-octyl β-D-galactopyranosyl-(1→4)-[α-L-fucopyranosyl-(1→3)]-2-acetamido-2-deoxy-β-D-glucopyranosyl-(1→3)-β-D-galactopyranosyl-(1→4)-β-D-glucopyranoside 在
Amberlite IR
400 HO
- ion-exchange resin 作用下,
以
甲醇 、
N,N-二甲基乙酰胺 为溶剂,
反应 4.0h,
以83%的产率得到6-[[2-[[8-(β-D-galactopyranosyl(1→4)-[α-L-fucopyranosyl(1→3)]-2-acetamido-2-deoxy-β-D-glucopyranosyl-(1→3)-β-D-galactopyranosyl(1→4)-β-D-glucopyranosyloxy)octyl]thiol]ethyl]amino]-6-oxo-hexanoic acid p-nitrophenyl ester