反应详情

To a stirred solution of 5-methylcyclohexane-1,3-dione (1.26 g, 10 mmol) in AcOH (20 mL) at r.t. was added bromine (1.6 g, 0.51 mL, 10 mmol) dropwise. The reaction was carried out according to Method A to give the title compound in quantitative yield as a light brown solid which was used without further purification. LCMS (ES+) 204.9 (M+H)+.