M-aminophenol derivatives and colouring agents containing them

Details M-aminophenol derivatives and colouring agents containing them M-aminophenol derivatives and colouring agents containing them

C - Chemistry, Metallurgy

07

D

C07D 333/20 (2006.01) A61Q 5/10 (2006.01) C07D 277/28 (2006.01) C07D 307/52 (2006.01) C07D 333/22 (2006.01) C07D 333/28 (2006.01)

Patent

CA 2458681

The invention relates to 3-aminophenol derivatives represented by formula (I), wherein R is a 5-ring heterocyclic aromatic compound represented by formula (Ia), or to their water-soluble physiologically acceptable salts. The invention also relates to colouring agents based on a developer - coupler combination characterised in that they contain said compounds.

L'invention concerne des dérivés de 3-aminophénol représentés par la formule (I), dans laquelle R est un composé aromatique hétérocyclique à 5 chaînons représenté par la formule (Ia), ou leurs sels solubles dans l'eau physiologiquement tolérables. L'invention concerne également des colorants à base d'une combinaison révélateur-copulateur caractérisés en ce qu'ils contiennent lesdits composés.

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