hydrogenchloride; potassium hydroxide; sodium hydroxide; sodium hydrogencarbonate; potassium hydrogencarbonate in (2S)-N-methyl-1-phenylpropan-2-amine hydrate; water; pyridine hydrochloride; ethyl acetate; butan-1-ol

1: pyridine hydrochloride / 3 h / 180 °C 2: NaOH, KOH / butan-1-ol / 24 h / Heating View Scheme

pyridine hydrochloride T=180°C; 3 h;