反应详情

Following General Procedure H, a solution of 6-bromo-4-isopropyl-7-methoxy-2,2-dimethyl-2H-chroman-4-one (Compound 14, 290 mg, 0.94 mmol) in THF was treated with tributyl(1-ethoxyvinyl)tin (0.63 mL, 1.88 mmol) to give the title compound as a colorless oil.