3,7-anhydro-8-azido-4,5,6-tri-O-benzyl-1,2,8-trideoxy-1-C-(t-butyldimethylsilyl)-D-glycero-D-gulo-oct-1-ynitol 、 3,7-anhydro-4,5,6-tri-O-benzyl-1,2-dideoxy-8-O-tosyl-D-glycero-D-gulo-oct-1-ynitol 在
copper(l) iodide 、
N,N-二异丙基乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 0.25h,
生成 3,7-anhydro-4,5,6-tri-O-benzyl-1,2,8-trideoxy-1-C-(t-butyldimethylsilyl)-8-[4-(2',3',4'-tri-O-benzyl-6'-O-tosyl-α-D-glucopyranosyl)-1H-1,2,3-triazol-1-yl]-D-glycero-D-gulo-oct-1-ynitol