3-azidopropyl 2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl-(1→6)-2,4-di-O-benzoyl-1-thio-β-D-galactopyranosyl-(1→6)-2,3,4-tri-O-benzoyl-β-D-galactopyranoside 、 phenyl 2,3,5-tri-O-benzoyl-1-thio-α-L-arabinofuranoside 在
N-碘代丁二酰亚胺 、
三氟甲磺酸 作用下,
以
二氯甲烷 为溶剂,
反应 1.25h,
以89%的产率得到3-azidopropyl 2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl-(1→6)-[2,3,5-tri-O-benzoyl-α-L-arabinofuranosyl-(1→3)]-2,4-di-O-benzoyl-β-D-galactopyranosyl-(1→6)-2,3,4-tri-O-benzoyl-β-D-galactopyranoside