Hydrochloric Acid → N-(5-amino-2-methylpyridin-3-yl)methanesulfonamide

Participants

Reaction Steps

To a solution of N-(5-(diphenylmethyleneamino)-2-methylpyridin-3-yl)methanesulfonamide (0.430 g, 1.177 mmol) in THF (10 mL) was added hydrochloric acid (JT Baker) (1.765 mL, 1.765 mmol) (1N). The reaction was stirred at rt in closed system for 20 min. The reaction mixture was partitioned between EtOAc and sat. NaHCO3. The aqueous layer was extracted with EtOAc (2×10 mL). The combined organic layer were dried over MgSO4 and concentrated. The crude product was purified by column chromatography (40 g, 5% to 10% MeOH in DCM) to afford the desired product as a brown solid (70.0 mg). MS (ESI pos. ion) m/z: 202.1. 1H NMR (300 MHz, CDCl3) δ ppm 2.42 (s, 3H) 3.03 (s, 3H) 3.70 (br. s., 2H) 6.15 (br. s., 1H) 7.20 (d, J=2.34 Hz, 1H) 7.87 (d, J=2.34 Hz, 1H).

Provenance & Evidence