Azo Dyes, Process for their preparation, mixtures of Dyes obtained by Said method and their use for Coloring sustratosnaturales or Synthetic

摘要

Azo Dyes of General formula (i), wherein: the remains one of x1 and x2 represents amino or Hydroxy and the other alquilamino c1-4 sustituidoeventualmente with cyano, Hydroxy, carboxyl,Hidroxisulfonilo, metoxicarbonilo, Ethoxycarbonyl or acetoxy; n is 0 OR 1; M represents 1 or 2; K is 0 or, where X3 is NH2, additionally a Number 1, 2, 3 or 4; D1, D2, D3 and D4Independently of each other representanhidrogeno or hidroxisulfonilo; Z1 represents a direct link or a member of the so2nh Bridge Formula - - - - so2nalk - to -, - SO3 - NH, - - - - - - nalk - SO2 -,- sonh with - - - - - - - - or co:, where represents sulfide, which can be replaced with hidroxisulfonilo or carboxyl, or naftileno, could be replaced with hidroxisulfonilo or carboxyl,Being linked to the AZO Bridge; ALK represents alkyl C1 - 8, which can be interrumpidocon 1 to 3 Atoms of hydrogen Neighbours,1 Sulfur Atom or a sulfonyl Group and can be substituted by Hydroxy, alcanoiloxi c1-4, benzoyloxy, halogeno, cyano, carboxy, hidroxisulfonilo, carbamoilo or hidroxisulfonil -, phenyl, phenylC5 or cycloalkyl - 8; K represents the rest of a series of derivadoeventualmente substituted pyrazole, naphthalene, benzene, pyridine, pyrimidine, indole or N - arilacetoacetamida.X3 represents Hydrogen or amino Hey represents a Rest - ch2ch2oh nd5d6 ch2ch2 -, -, - or - ch = CH2 ch2ch2q, where q represents a group that can be separated under conditions of reaccionalcalinas,A procedimientopara mixtures, their Preparation and their use for Coloring natural or Synthetic Substrates.