(1R, 2S)-3-chloro-1H-indole-6-carboxylic acid (2-amino-cyclohexyl)-amide 、
4-(dimethylamino-methanesulfonylimino-methyl)-benzoic acid 在
N-甲基吗啉 、 (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 1.0h,
生成 (1R,2S)-3-chloro-1H-indole-6-carboxylic acid {2-[4-(N,N-dimethyl-N'-(methylsulfonyl)carbamimidoyl)-benzoylamino]-cyclohexyl}-amide