prop-2-yn-1-yl 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranoside 、
Ala-Ala-(3-azido-L-Ala)-Ala-Ala-(3-azido-L-Ala)-Pro-Ala-OH 在
copper(ll) sulfate pentahydrate 、
sodium ascorbate 作用下,
以
水 、
叔丁醇 为溶剂,
反应 0.17h,
以19%的产率得到Ala-Ala-[3-(4-{[(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranosyl)oxymethyl]-1H-1,2,3-triazol-1-yl})-L-Ala]-Ala-Ala-[3-(4-{[(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranosyl)oxymethyl]-1H-1,2,3-triazol-1-yl})-L-Ala]-Pro-Ala-OH