Aminohydroxyanthraquinone and derivs

See Aminohydroxyanthraquinone and Derivatives in Vol 1 of Encycl, p A217-L. Its Tetranitro-derivative (Aminochrysammic Acid), described on p A217-L, forms expl salts of Ammonium, Barium and Potassium... 

Aminohydroxyanthraquinones and derivs 1 A217 nitronitraminohydroxyanthraquinones 1 A217 2,4,5,7-tetranitro-8-amino-l-hydroxy-anthra-quinone 1 A217... 

JPrChem 138,2 9 10(1933) Aminochrysammlc or Aminochrysamminic Acid. See 2,4,5,7-Tetranitro-8-amino-1-hydroxy-anthraquinone, described under Aminohydroxyanthraquinone and Derivatives Aminocompounds are described individually, such as aminoacetic acid, aminobenzoic acid, aminocarbazole, aminotetrazole, aniline, etc... 

Aminohydroxyanthraquinone derivatives are available from leucoquinizarin by heating with an appropriate arylamine and boric acid in aqueous ethanol, followed by oxidation. The use of p-toluidine and subsequent sulphonation gives Cl Acid Violet 43 (6.37 X = OH). 

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