1,7-Dichloroanthracene-9,10-dione → HCID 21514900, compound

HRID 1576265Notes

Reaction equation

HRID 1576265 reaction equation
[Cl:1][C:2]1[C:15]2[C:14](=[O:16])[C:13]3[C:8](=[CH:9][CH:10]=[C:11]([Cl:17])[CH:12]=3)[C:7](=O)[C:6]=2[CH:5]=[CH:4][CH:3]=1>S(=O)(=O)(O)O.[Cu]>[Cl:1][C:2]1[C:15]2[C:14](=[O:16])[C:13]3[C:8](=[CH:9][CH:10]=[C:11]([Cl:17])[CH:12]=3)[CH2:7][C:6]=2[CH:5]=[CH:4][CH:3]=1

Participants

4

Reactant 1

HCID 143236611,7-Dichloroanthracene-9,10-dione

Product 1

HCID 21514900HCID 21514900, compound

Reagents, catalysts & solvents 2

HCID 23978CopperCatalystHCID 1118Sulfuric AcidSolvent

Conditions

Temperature
40 °C

Procedure

Copper powder (1 g.) is added to 1,7-dichloroanthraquinone (1.25 g.) in concentrated sulphuric acid (10 ml.) and the mixture is stirred at 40°C. for 5 hours then poured into ice-water and extracted with ethyl acetate. The ethyl acetate extract is washed with water and with brine, dried (MgSO4) and evaporated to give 1,7-dichloroanthrone, m.p. 160°-165°C. on recrystallisation from acetic acid.

Workup

  1. extractionextracted with ethyl acetate
  2. extractionThe ethyl acetate extract
  3. washis washed with water and with brine
  4. dry with materialdried (MgSO4)
  5. customevaporated

Sources & evidence

ORD record
ord-90f129f4b3d644c0a831276d3761ca66
Source dataset
uspto-grants-1976_09
Patent number
US03979513

Reaction notes

Loading…