Potassium Carbonate → HCID 86718614, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of 2-bromo-6-iodopyridin-3-ol (0.65 g, 2.167 mmol), 4-chlorobenzeneboronic acid (339 mg, 2.167 mmol) and potassium carbonate (749 mg, 5.419 mmol) in dimethoxyethane (15 mL) and water (5 mL) was purged with nitrogen for 20 minutes. Tetrakis(triphenylphosphine)palladium(0) (125.2 mg, 0.108 mmol) was added and the reaction mixture heated to 80° C. in a sealed vial for 15 hours. The cooled reaction mixture was partitioned between ethyl acetate (50 mL) and saturated aqueous ammonium chloride solution (50 mL), the organic phase separated, washed with water (50 mL) and saturated brine (50 mL), dried (MgSO4), filtered and concentrated under reduced pressure to give a yellow syrup. The crude product was purified by chromatography on silica eluting with a solvent gradient of 0 to 40% ethyl acetate in hexanes to give 2-bromo-6-(4-chlorophenyl)pyridin-3-ol (0.319 g, 52% yield) as a yellow crystalline solid.

Provenance & Evidence