反应详情

The amide is synthesized according to modified example 1 by mixing (6,7-difluoro-1H-benzimidazol-1-yl)acetic acid (781 mg, 3.68 mmol) prepared according to scheme 2, 2-[4-(1-Aminoethyl)-2-fluorophenyl]-2-methylpropanenitrile hydrochloride (1.07 mg, 4.41 mmol) prepared according to scheme 7, Et3N (1.23 mL, 8.82 mmol) and HATU (1.68 g, 4.41 mmol) in DMF (15.0 mL). The product is purified by HPLC: Gilson prep pumps, Flow rate: 30 ml/min, Column: Gemini (5u) 21.2×50 mm, Mobile phase: A=water (0.075% TFA) B=MeCN (0.075% TFA), (565 mg as TFA salt, 1.10 mmol, 30%); 1H NMR (400 MHz, DMSO-D6) δ ppm 1.38 (d, J=6.84 Hz, 3H), 1.71 (s, 6H), 4.87-5.00 (m, J=7.23, 7.23 Hz, 1H), 5.09 (s, 2H), 7.16-7.29 (m, 3H), 7.36-7.51 (m, 2H), 8.19 (s, 1H), 8.86 (d, J=7.62 Hz, 1H). MS [M+H], calcd: 401.4. found: 401.3.

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