Diisopropylethylamine → 1-(2-Methoxy-ethyl)-2-(6-trifluoromethoxy-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carboxylic acid dimethylcarbamoylmethyl-amide

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Reaction Steps

1-(2-Methoxy-ethyl)-2-(6-trifluoromethoxy-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carboxylic acid dimethylcarbamoylmethyl-amide (35.0 mg) was prepared by following General Procedure F starting from 1-(2-methoxy-ethyl)-2-(6-trifluoromethoxy-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carboxylic acid (100.0 mg), 2-amino-N,N-dimethyl-acetamide (25.0 mg), HBTU (190.0 mg) and DIEA (0.2 mL) in DMF (1.0 mL). LCMS: m/z 537.6; and 1H NMR (DMSO-d6, 400 MHz): δ 8.59 (1H, m), 7.90 (1H, br. s), 7.72 (1H, br. s), 7.56-7.54 (1H, m), 7.38-7.31 (2H, m), 7.18 (1H, m), 4.30-4.27 (2H, t), 4.11-4.10 (2H, d), 3.70-3.67 (2H, t), 3.25 (3H, s), 3.03 (3H, s), 2.87 (3H, s), —NH proton signal was not observed.

Provenance & Evidence