反应详情

As described in General Procedure A, 6-bromo-7-hydroxy-2,2-dimethyl-chroman-4-one (Compound 3, 2.0 g, 7.35 mmol) was treated with potassium carbonate (500 mg) and iodoethane (1.5 mL, 18.75 mmol) to give rise to the title compound as a white solid after purification by flash chromatography (silica gel, 5% ethyl acetate in hexanes).