1,4-二溴-2,3-二甲基苯

反应条件: temp:70.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 183.2 g (0.65 mol) of 3,6-dibromo-1,2-xylene are initially charged in 750 ml of chlorobenzene, and 2 g of conc. H2SO4 and 270.7 g (1.57 mol) of 47% strength hydrobromic acid are then added. The reaction mixture is heated to 70° C. and 0.3 g of AIBN are added. Over 14 h, 237.7 g (0.7 mol) of a 10% strength solution of hydrogen peroxide are added at 75-77° C., the mixture is stirred for another 120 min., washed 2× with 250 ml of water and once with 250 ml of saturated sodium bicarbonate solution, and the chlorobenzene is then distilled off. washed 2× with 250 ml of water once with 250 ml of saturated sodium bicarbonate solution, and the chlorobenzene is then distilled off

反应条件: temp:70.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 183.2 g (0.65 mol) of 3,6-dibromo-1,2-xylene are initially charged in 750 ml of chlorobenzene, and 2 g of conc. H2SO4 and 270.7 g (1.57 mol) of 47% strength hydrobromic acid are then added. The reaction mixture is heated to 70° C. and 0.3 g of AIBN are added. Over 14 h, 237.7 g (0.7 mol) of a 10% strength solution of hydrogen peroxide are added at 75-77° C., the mixture is stirred for another 120 min., washed 2× with 250 ml of water and once with 250 ml of saturated sodium bicarbonate solution, and the chlorobenzene is then distilled off. washed 2× with 250 ml of water once with 250 ml of saturated sodium bicarbonate solution, and the chlorobenzene is then distilled off

反应条件: temp:70.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 183.2 g (0.65 mol) of 3,6-dibromo-1,2-xylene are initially charged in 750 ml of chlorobenzene, and 2 g of conc. H2SO4 and 270.7 g (1.57 mol) of 47% strength hydrobromic acid are then added. The reaction mixture is heated to 70° C. and 0.3 g of AIBN are added. Over 14 h, 237.7 g (0.7 mol) of a 10% strength solution of hydrogen peroxide are added at 75-77° C., the mixture is stirred for another 120 min., washed 2× with 250 ml of water and once with 250 ml of saturated sodium bicarbonate solution, and the chlorobenzene is then distilled off. washed 2× with 250 ml of water once with 250 ml of saturated sodium bicarbonate solution, and the chlorobenzene is then distilled off

反应条件: temp:70.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 183.2 g (0.65 mol) of 3,6-dibromo-1,2-xylene are initially charged in 750 ml of chlorobenzene, and 2 g of conc. H2SO4 and 270.7 g (1.57 mol) of 47% strength hydrobromic acid are then added. The reaction mixture is heated to 70° C. and 0.3 g of AIBN are added. Over 14 h, 237.7 g (0.7 mol) of a 10% strength solution of hydrogen peroxide are added at 75-77° C., the mixture is stirred for another 120 min., washed 2× with 250 ml of water and once with 250 ml of saturated sodium bicarbonate solution, and the chlorobenzene is then distilled off. washed 2× with 250 ml of water once with 250 ml of saturated sodium bicarbonate solution, and the chlorobenzene is then distilled off

反应条件: temp:70.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 183.2 g (0.65 mol) of 3,6-dibromo-1,2-xylene are initially charged in 750 ml of chlorobenzene, and 2 g of conc. H2SO4 and 270.7 g (1.57 mol) of 47% strength hydrobromic acid are then added. The reaction mixture is heated to 70° C. and 0.3 g of AIBN are added. Over 14 h, 237.7 g (0.7 mol) of a 10% strength solution of hydrogen peroxide are added at 75-77° C., the mixture is stirred for another 120 min., washed 2× with 250 ml of water and once with 250 ml of saturated sodium bicarbonate solution, and the chlorobenzene is then distilled off. washed 2× with 250 ml of water once with 250 ml of saturated sodium bicarbonate solution, and the chlorobenzene is then distilled off