3-acetyl-1H-pyrazole-5-carboxylic acid → HCID 178466826, compound

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Reaction Steps

(S)-5-acetyl-N-(1-(3-(4-cyano-3-nitrophenyl)-1H-pyrazol-1-yl)propan-2-yl)-1H-pyrazole-3-carboxamide was prepared using the method of Example 34(d) starting from (S)-4-(1-(2-aminopropyl)-1H-pyrazol-3-yl)-2-nitrobenzonitrile (500 mg, 1.843 mmol) and 3-acetyl-1H-pyrazole-5-carboxylic acid (341 mg, 2.212 mmol). The product was triturated twice using diethyl ether. Yield 42.9%. 1H-NMR (400 MHz; DMSO-d6): δ 1.11-1.27 (m, 3H), 2.48 (s, 3H), 4.21-4.57 (m, 3H), 7.03 (d, 1H), 7.29 (s, 1H), 7.86 (d, 1H), 8.09-8.72 (m, 4H), 14.1 (bs, 1H).

Provenance & Evidence