Hydrochloric Acid → N-(4-cyano-3-(trifluoro-methyl)phenyl)-2-(4-(5-ethoxy-6-oxo-1,6-dihydropyridin-3-yl)-2-fluorophenyl)acetamide

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A solution of N-(4-cyano-3-(trifluoromethyl)phenyl)-2-(4-(5-ethoxy-6-((4-methoxybenzyl)oxy)pyridin-3-yl)-2-fluorophenyl)acetamide (15 mg, 0.026 mmol) in HCl (MeOH (solvate), 5 mL, 0.026 mmol) was stirred at 20° C. After LCMS analysis showed the starting material had disappeared, the solvent was removed in vacuo. The crude product was purified by preparative HPLC to yield a white solid of N-(4-cyano-3-(trifluoro-methyl)phenyl)-2-(4-(5-ethoxy-6-oxo-1,6-dihydropyridin-3-yl)-2-fluorophenyl)acetamide (3 mg, 6.39 μmol, 24.7% yield): 1H NMR (400 MHz, CD3OD) δ 8.23 (s, 1H), 7.99 (s, 1H), 7.91 (d, J=8.4 Hz, 1H), 7.41 (m, 1H), 7.37-7.34 (m, 3H), 7.29 (d, J=2.0 Hz, 1H), 4.17-4.11 (m, 2H), 3.84 (s, 2H), 1.46 (t, J=6.8 Hz, 3H); ES-LCMS m/z 460.1 (M+H).

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