2-azido-1-(4-phenylpiperazin-1-yl)ethanone 、
2-propynyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside 在
copper(l) iodide 作用下,
以
甲苯 为溶剂,
反应 2.0h,
以92%的产率得到[(2R,3S,4S,5R,6R)-3,4,5-triacetyloxy-6-[[1-[2-oxo-2-(4-phenylpiperazin-1-yl)ethyl]triazol-4-yl]methoxy]oxan-2-yl]methyl acetate