Potassium Carbonate → (S)-N-(1-(3-aminophenyl)ethyl)-6-chloropyrazin-2-amine

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A mixture of 3-[(1S)-1-aminoethyl]aniline (7.5 g, 55 mmol), 2,6-dichloropyrazine (12.3 g, 82.5 mmol) and potassium carbonate (15.2 g, 110 mmol) in dioxane (140 mL) was heated at reflux for 3 days. After this time the mixture was cooled to room temperature, filtered and concentrated under reduced pressure to give an orange oil which was purified by flash chromatography (silica, ethyl acetate/hexanes) to give N-[(1S)-1-(3-aminophenyl)ethyl]-6-chloropyrazin-2-amine (11.6 g, 85%) as a beige solid.

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