2,5-Dibromo-1,4-benzoquinone

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: To a solution of 2,5-dibromohydroquinone (1) (5 g, 18.6 mol) in acetonitrile (250 ml) was added cerium ammonium nitrate (21.4 g, 39.0 mmol), in small portions. The clear orange solution was stirred for 10 min at room temperature, diluted with water (80 ml) and extracted with chloroform (3×200 ml). The combined chloroform layers were dried over sodium sulphate and evaporated, yielding 3.5 g (71%) of the quinone (2). extracted with chloroform (3×200 ml) The combined chloroform layers were dried over sodium sulphate evaporated

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: To a solution of 2,5-dibromohydroquinone (1) (5 g, 18.6 mol) in acetonitrile (250 ml) was added cerium ammonium nitrate (21.4 g, 39.0 mmol), in small portions. The clear orange solution was stirred for 10 min at room temperature, diluted with water (80 ml) and extracted with chloroform (3×200 ml). The combined chloroform layers were dried over sodium sulphate and evaporated, yielding 3.5 g (71%) of the quinone (2). extracted with chloroform (3×200 ml) The combined chloroform layers were dried over sodium sulphate evaporated