[(1S)-3-[5-[(4-aminobenzoyl)amino]-1H-indole-2-carbonyl]-1-(chloromethyl)-1,2-dihydrobenzo[e]indol-5-yl] 4-methylpiperazine-1-carboxylate 、
FMOC-O-叔丁基-L-丝氨酸 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 4.0h,
以60%的产率得到[(1S)-1-(chloromethyl)-3-[5-[[4-[[(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[(2-methylpropan-2-yl)oxy]propanoyl]amino]benzoyl]amino]-1H-indole-2-carbonyl]-1,2-dihydrobenzo[e]indol-5-yl] 4-methylpiperazine-1-carboxylate