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

Participants

Reaction Conditions

Reaction Steps

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.

Provenance & Evidence