Hydrogen Bromide → HCID 11459455, compound

HRID 2084614Notes

Reaction equation

HRID 2084614 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([Cl:8])=[C:4]([CH3:9])[C:3]=1[CH3:10].OS(O)(=O)=O.[BrH:16].CC(N=NC(C#N)(C)C)(C#N)C.OO>ClC1C=CC=CC=1>[Cl:1][C:2]1[C:3]([CH3:10])=[C:4]([C:5]([Cl:8])=[CH:6][CH:7]=1)[CH2:9][Br:16]

Participants

7

Reactant 5

HCID 260Hydrogen BromideHCID 784Hydrogen PeroxideHCID 1118Sulfuric AcidHCID 6547AzobisisobutyronitrileHCID 11423868HCID 11423868, compound

Product 1

HCID 11459455HCID 11459455, compound

Reagents, catalysts & solvents 1

HCID 7964ChlorobenzeneSolvent

Conditions

Temperature
70 °C

Procedure

170.1 g (0.97 mol) of 3,6-dichloro-1,2-xylene are initially charged in 1180 ml of chlorobenzene, and 4.9 g of conc. H2SO4 and 203.1 g (1.18 mol) of 47% strength hydrobromic acid are added. The mixture is heated to 70° C., and 0.9 g of AIBN are added. Over a period of 5 h, 353.7 g (1.04 mol) of a 10% strength solution of hydrogen peroxide are added at 70-75° C., the mixture is stirred at 70-75° C. for 30 min, washed twice with 400 ml of water and once with 400 ml of saturated sodium bicarbonate solution, and the chlorobenzene is then distilled off.

Workup

  1. washwashed twice with 400 ml of water and once with 400 ml of saturated sodium bicarbonate solution
  2. distillationthe chlorobenzene is then distilled off

Sources & evidence

ORD record
ord-3a79b1ffb0d84d2aadadfb5c0b382502
Source dataset
uspto-grants-2004_04
Patent number
US06716989B2

Reaction notes

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