Triethylamine → HCID 86723307, Verbindung

Beteiligte Stoffe

Reaktionsschritte

A mixture of 2-chloro-3-fluoropyridin-4-ylamine (660 mg, 4.5 mmol), 2,6-dichlorobenzoyl chloride (1.43 mL, 2.10 g, 10.0 mmol) and triethylamine (1.53 mL, 1.11 g, 11.0 mmol) in dioxane (12 mL) was heated under reflux for 18 hours then cooled to ambient temperature. The resultant mixture was partitioned between EtOAc (50 mL) and water (50 mL). The organic layer was separated, washed with brine, dried over Na2SO4 and concentrated under reduced pressure. The residue was triturated with diethyl ether, filtered, dried and further purified by silica gel flash chromatography (0-25% EtOAc in pentane) to afford the title compound as a pink solid (1.17 g, 81% yield). 1H NMR (300 MHz, CDCl3): δ 8.50 (t, J=5.3 Hz, 1H), 8.22 (d, J=5.5 Hz, 1H), 7.83 (br s, 1H), 7.40-7.39 (m, 3H).

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