ES362793A1 - Procedure for the obtaining of azoic colorants. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Procedure for obtaining azo dyes, of the formula: **(See formula)** where X signifies the remainder of a coupling component of the amino or hydroxybenzene series, of the amino or hydroxynaphthalene series, of the heterocyclic series, or with a methylene radical capable of coupling, A ⊖ n signifies an anion equivalent to (see formula), n is equal to 1 to 6 and K1 means the group **(See formula)** wherein R1 signifies an alkyl or cycloalkyl residue, optionally substituted, or together with R2 and the adjacent nitrogen atom means a heterocycle, R2 signifies an alkyl or cycloalkyl residue, optionally substituted or together with R1 and the atom of adjacent nitrogen means a heterocycle, R3 and R4 signify a hydrogen atom or the same or different, if substituted, alkyl or cycloalkyl moieties, or the same or different acyl moieties, R8, R9 and R10 each mean an alkyl moiety or cycloalkyl, optionally substituted, R1 together with R3 and/or R2 together with R4 and the adjacent nitrogen atoms or these substituents and R8 and R9 or R8, R9 and R10 together with the adjacent nitrogen atoms form heterocycles and rings aromatic H and/or D may be further substituted, characterized in that it comprises reacting 1 mole of a compound of formula, **(See formula)** wherein A stands for a moiety transformable into an anion, with n moles of a member selected from a compound of formula, **(See formula)** and a compound of the formula: (see formula) (Machine-translation by Google Translate, not legally binding)