N-isopropyl-4-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide 、 4-bromo-N-[(trans-4-{[(tert-butoxycarbonyl)amino]methyl}cyclohexyl)carbonyl]-L-phenylalanine 在
1-[bis(dimethylamino)methylene]-1H-1,2,3-triazolo[4,5-b]pyridinium-3-oxide hexafluorophosphate 、 sodium carbonate 、
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 0.92h,
生成 tert-butyl 3-(5-{4-[(2S)-2-{[4-({[(tert-butoxy)carbonyl]amino}methyl)cyclohexyl]formamido}-3-[5'-(dimethylcarbamoyl)-2'-methyl-[1,1'-biphenyl]-4-yl]propanamido]phenyl}-4H-1,2,4-triazol-3-yl)propanoate