、
3-(5-aminoindole-2-carbonyl)-1-(S)-(chloromethyl)-5-hydroxy-1,2-dihydro-3H-benz[e]indole 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 1.0h,
以45%的产率得到4-[[(2S)-5-(carbamoylamino)-2-[[(2S)-2-[2-[4-(2,5-dioxopyrrol-1-yl)butanoylamino]ethylamino]-3-methylbutanoyl]amino]pentanoyl]amino]-N-[2-[(1S)-1-(chloromethyl)-5-hydroxy-1,2-dihydrobenzo[e]indole-3-carbonyl]-1H-indol-5-yl]benzamide