反应详情

2-(7-Chloro-1H-benzimidazol-1-yl)-N-[4-(1-cyano-1-methylethyl)-3-fluorobenzyl]acetamide is synthesized according to example 14 with (7-chloro-1H-benzimidazol-1-yl)acetic acid (150 mg, 0.712 mmol) prepared according to scheme 1, and 2-[4-(aminomethyl)-2-fluorophenyl]-2-methylpropanenitrile hydrochloride (196 mg, 0.855 mmol) prepared according to scheme 8, Et3N (238 μL, 1.71 mmol) and HATU (325 mg, 0.855 mmol) in DMF (3.0 mL). The product is purified by HPLC: Gilson prep pumps, Flow rate: 30 ml/min, Column: Gemini (50 21.2×50 mm, Mobile phase: A=water (0.075% TFA) B=MeCN (0.075% TFA). Yield=14 mg as TFA salt, 0.035 mmol, 5%); 1H NMR (400 MHz, DMSO-D6) δ ppm 1.67 (s, 6H), 4.30 (d, J=5.86 Hz, 2H), 5.24 (s, 2H), 7.10-7.22 (m, 3H), 7.23-7.28 (m, 1H), 7.38 (t, J=8.40 Hz, 1 H), 7.62 (d, J=7.81 Hz, 1H), 8.31 (s, 1H), 8.81 (s, 1H). MS [M+H], calcd: 385.1. found: 385.0.

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3. customThe product is purified by HPLC