1758-68-5Relevant articles and documents
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Groggins,Newton
, p. 1030,1032 (1933)
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Process for the manufacture of 1,2-diaminoanthraquinone
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, (2008/06/13)
A process for the manufacture of 1,2-diaminoanthraquinone, which comprises reacting 1-nitro-2-acetylaminoanthraquinone with hydrazine or hydroxylamine, or with derivatives thereof, in protic solvents.
Process for preparing aminoanthraquinones
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, (2008/06/13)
A process for preparing aminoanthraquinones of high purity, which comprises catalytically hydrogenating nitroanthraquinones in the suspended state in an aqueous medium in the presence of a hydrogenating catalyst. In a preferred embodiment, the catalytic hydrogenation may be carried out in the presence of an organic or inorganic base, followed, if desired, by oxidizing the hydrogenation product.