2(S)-{2(S)-[4-(2-guanidino-ethylamino)benzoylamino]-3-methyl-butyrylamino}-3-phenyl-propionic acid 、
苄胺 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 20.02h,
生成 N-[1(S)-(1(S)-benzylcarbamoyl-2-phenyl-ethylcarbamoyl)-2-methyl-propyl]-4-(2-guanidino-ethylamino)benzamide