tert-butyl 3-[[(3S,6R,9S)-9-methyl-2,5,8,11,15-pentaoxo-3-propan-2-yl-1,4,7,10,14-pentazacyclononadec-6-yl]methyl]indole-1-carboxylate 在
三氟乙酸 作用下,
生成 (3S,6R,9S)-6-(1H-indol-3-ylmethyl)-9-methyl-3-propan-2-yl-1,4,7,10,14-pentazacyclononadecane-2,5,8,11,15-pentone