N-(3-oxo-20(29)-lupen-28-oyl)-4-ethynylaniline 、
N-(tert-butoxycarbonyl)glycyl-N1-[(1S)-2-azido-1-methylethyl]-N2-(2,4-dimethoxybenzyl)glycinamide 在
copper(l) chloride 作用下,
以
正丁醇 为溶剂,
以46%的产率得到(N-tert-butoxycarbonylglycyl)-N
2-(2,4-dimethoxybenzyl)-N
1-((1S)-2-{4-[4-(3,28-dioxolup-20(29)-en-28-ylamino)phenyl]-1H-1,2,3-triazol-1-yl}-1-methylethyl)glycineamide