反应详情

2-(6-Chloro-benzothiazol-2-ylamino)-1-ethyl-1H-benzoimidazole-5-carboxylic acid (2-ethoxy-ethyl)-amide (79.0 mg) was prepared by following General Procedure F starting from 2-(6-chloro-benzothiazol-2-ylamino)-1-ethyl-1H-benzoimidazole-5-carboxylic acid (150.0 mg), 2-ethoxy-ethylamine (53.0 mg), HBTU (190.0 mg) and DIEA (0.2 mL) in DMF (1.0 mL). LCMS: m/z 445; and 1H NMR (DMSO-d6, 400 MHz): δ 8.47 (1H, br. s), 8.08 (1H, br. s), 7.92 (1H, br. s), 7.76-7.63 (2H, m), 7.52 (1H, m), 7.40-7.38 (1H, m), 4.22 (2H, m), 3.53-3.41 (6H, m), 1.34-1.30 (3H, t), 1.14-1.11 (3H, t), —NH proton signal was not observed.