反应详情

1-Ethyl-2-(6-trifluoromethyl-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carboxylic acid (2-methoxy-ethyl)-amide (64.0 mg) was prepared by following General Procedure F starting from 1-ethyl-2-(6-trifluoromethyl-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carboxylic acid (150.0 mg), 2-methoxy-ethylamine (38.0 mg), HBTU (200.0 mg) and DIEA (0.2 mL) in DMF (1.0 mL). LCMS: m/z 465; and 1H NMR (DMSO-d6, 400 MHz): δ 8.50 (1H, m), 8.25 (1H, br. s), 8.12 (1H, br. s), 7.82-7.78 (2H, m), 7.70-7.68 (1H, m), 7.57-7.54 (1H, m), 4.24 (2H, m), 3.51-3.43 (4H, m), 3.29 (3H, s), 1.35-1.31 (3H, t), —NH proton signal was not observed.