Methanol → 1-Aminoanthraquinone

Participants

Reaction Conditions

Reaction Steps

50 Parts of 1-hydroxylaminoanthraquinone was stirred into a mixture of 700 parts of diethyleneglycol monomethyl ether, 100 parts of water and 30 parts of conc. sulfuric acid, then added thereto little by little 16 parts of zinc dust over 1 hour after heating to 80°C. The reaction mixture was maintained at 80°C for additional 2 hours and then filtered. The filtrate was washed with water and dried to obtain 43.5 parts of 1-aminoanthraquinone of a purity of 94 %.

Provenance & Evidence