Lactone, Aminoketone and Hydro xyketone dyes:-
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Lactone, Aminoketone and Hydro xyketone dyes:-
These groups of dyes are only important from their structural features point of view and they have no commercial usage. The chemical structures involved in Lactone, aminoketone and hydroxyketones is clears from their names, the respective examples of each class are Resoflavine W, Helindon Brown CR and Alizarin Dark Green W which are all obsolate as dyes.
