Hydrochloric Acid → 7-(3-Aminophenyl)-2-(4-phenoxyphenyl)pyrazolo[1,5-a]pyrimidine-3-carbonitrile

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Reaction Conditions

Reaction Steps

To a solution of N-(3-(3-cyano-2-(4-phenoxyphenyl)pyrazolo[1,5-a]pyrimidin-7-yl)phenyl)acetamide (285 mg, 0.64 mmol) in ethanol (6 mL) was added HCl (3 mL). The mixture stirred at 75° C. for 3 hr. Concentrated to afford 250 mg (97%) of 7-(3-aminophenyl)-2-(4-phenoxyphenyl)pyrazolo[1,5-a]pyrimidine-3-carbonitrile as a yellow solid. 1H NMR (400 MHz, DMSO-d6) δ 8.90 (d, J=4.4 Hz, 1H), 8.67 (br s, 2H), 8.15 (d, J=8.8 Hz, 2H), 8.06 (s, 1H), 7.87 (d, J=8.0 Hz, 1H), 7.64 (t, J=8.0 Hz, 1H), 7.57 (d, J=4.4 Hz, 1H), 7.48-7.44 (m, 3H), 7.25-7.18 (m, 3H), 7.13 (d, J=8.0 Hz, 2H). MS (ESI) m/e [M+1]+ 404.

Provenance & Evidence