New intermediates and dyestuffs for synthetic fibres. Part V. By-products of the Ullmann condensation between 1-chloroanthraquinone and aniline

1-Chloroanthraquinone condenses with aniline in the presence of anhydrous potassium carbonate to give 1-anilinoanthraquinone and a variety of by-products, of which 5,8,13,14-tetrahydro-5-phenylnaphtho[2,3-phenazine-8,13-quinone (III) is the major component.