c[Lys(Boc)-Lys(Boc)-Prg-Lys(Boc)-Lys(Boc)-Phe-Lys(Boc)-Lys(Boc)-Glu(Rink-MBHA)] 、
Fmoc-Phe-Nle(ε-N3)-Lys(Boc)-Leu-Glu(Rink-MBHA)-OAll 在
哌啶 、
copper(l) iodide 、
Vitamin C 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 7.0h,
生成 (2S)-2-amino-6-[4-[[(2S,5S,8S,11S,14S,17S,20S,23S,26S,29S)-5,8,14,17,26,29-hexakis(4-aminobutyl)-23-(3-amino-3-oxopropyl)-11-benzyl-20-(2-methylpropyl)-3,6,9,12,15,18,21,24,27,30-decaoxo-1,4,7,10,13,16,19,22,25,28-decazacyclotriacont-2-yl]methyl]triazol-1-yl]hexanoic acid