4-Aminophenethyl alcohol → 1,4-Bis[4-(2-hydroxyethyl)phenylamino]-5,8-dihydroxyanthraquinone

Participants

Reaction Conditions

Reaction Steps

100 g of 2-(4-aminopheny)-ethanol and 20 g of sodium acetate are introduced into a laboratory reaction apparatus and, at 120° C., 20 g of 1,4-dichloro-5,8-dihydroxyanthraquinone are added thereto. The reaction mixture is stirred for 4 hours at 120° C. and then poured into 1.2 litres of 2N hydrochloric acid. The precipitate is filtered off, washed with water until neutral and dried in a vacuum drying chamber.

Provenance & Evidence