(S)-1-((S)-2-(5-azidopentanamido)-3-(3-(trifluoromethyl)phenyl)propanoyl)-N-methyl-N-((S)-4-methyl-1-oxo-1-((2-oxo-2-(prop-2-yn-1-ylamino)ethyl)amino)pentan-2-yl)pyrrolidine-2-carboxamide 在
tetrakis(acetonitrile)copper(I)tetrafluoroborate 、
三[(1-苄基-1H-1,2,3-三唑-4-基)甲基]胺 作用下,
以
二氯甲烷 为溶剂,
反应 12.0h,
以68%的产率得到(102S,8S,13S,Z)-13-isobutyl-12-methyl-8-(3-(trifluoromethyl)benzyl)-11H-7,12,15,18-tetraaza-1(1,4)-triazola-10(1,2)-pyrrolidinacyclononadecaphane-6,9,11,14,17-pentaone