Anthraquinonoid dyes (Part 2)
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Anthraquinonoid dyes:-
The common anthraquinone dye intermediates include anthraquinone derivatives containing sulphonic acid, nitro, amino, halogeno and various other groups in different orientations, Quinizarin (108), bromamine acid (418) and 2,4—dibromo—1 aminoanthraquinone (419) are some important intermediates. Acylamino, arylamino and heterocyclicamino groups are present in 1-position of a number of important dyes.
