N-(5-dimethylamino-pentyl)-benzene-1,2-diamine 、 (R)-3-(4-amino-3,5-dibromo-phenyl)-2-{[4-(2-oxo-1,2,4,5-tetrahydro-benzo[d][1,3]diazepin-3-yl)-piperidin-1-carbonyl]-amino}-propionic acid 以67%的产率得到4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidin-1-carboxylic acid {(R)-2-(4-amino-3,5-dibromo-phenyl)-1-[1-(5-dimethylamino-pentyl)-1H-benzimidazol-2-yl]-ethyl}-amide