Hydrochloric Acid → 2-(5-tert-butyl-2-methyl-2H-pyrazol-3-yl)-6-(2-chloro-phenyl)-3H-imidazo[4,5-c]pyridine hydrochloride

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Reaction Steps

A solution of 2-(5-tert-butyl-2-methyl-2H-pyrazol-3-yl)-6-(2-chloro-phenyl)-3H-imidazo[4,5-c]pyridine (22.6 mg, 0.061 mmol, as prepared above) in Et2O (1 mL) was treated with 1 M HCl in Et2O (0.068 mL, 0.068 mmol). The resulting mixture was stirred at room temperature for 10 min and concentrated. The residue was dried in vacuo to yield 2-(5-tert-butyl-2-methyl-2H-pyrazol-3-yl)-6-(2-chloro-phenyl)-3H-imidazo[4,5-c]pyridine hydrochloride. 1H-NMR (400 MHz, CD3OD) δ: 9.28 (s, 1H), 8.13 (s, 1H), 7.66-7.71 (m, 2H), 7.63 (td, J=7.7, 1.8 Hz, 1H), 7.53-7.60 (m, 1H), 7.02 (s, 1H), 4.36 (s, 3H), 1.35 (s, 9H). Mass Spectrum (LCMS, ESI pos.) Calculated For C20H20ClN5: 366.1 (M+H). Measured: 366.2.

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