1-amino-4-chloroanthracene-9,10-dione

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 21 g of 6-chloro-2-(4-diphenyl)-anthrapyrimidine (obtained by reacting 1-amino-4-chloroanthraquinone with diphenyl-4-carboxylic acid N-methylamide in the presence of thionyl chloride (in accordance with D.R.P. 566,474)) are condensed, in accordance with Example 1, in 250 parts of nitrobenzene in the presence of 7.5 parts of sodium carbonate and 0.25 part of copper-1 chloride with 13.5 parts of 1-amino-3-chloroanthraquinone. 28 parts are obtained of the anthrimide of the formula ##SPC9## condensed