3-bromopropyl (2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-(1->4)-(2,3,6-tri-O-acetyl-α-D-galactopyranosyl)-(1->4)-(2,3,6-tri-O-acetyl-β-D-galactopyranosyl) 在
sodium azide 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 20.0h,
以94%的产率得到3-azidopropyl (2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-(1->4)-(2,3,6-tri-O-acetyl-α-D-galactopyranosyl)-(1->4)-2,3,6-tri-O-acetyl-β-D-galactopyranoside