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filingDate 1979-07-23-04:00^^<http://www.w3.org/2001/XMLSchema#date>
inventor http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_143bd765b1868fd843bb388af3ae5f53
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2ca28ae0f9637d08fd00166f5d527a27
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publicationDate 1980-02-20-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber EP-0008029-A1
titleOfInvention Water-insoluble disazodyestuffs, their preparation and application
abstract Y 1 Wasserstoff, Alkyl mit 1 bis 3 C-Atomen oder Chlor, Y 2 Wasserstoff, Alkyl mit 1 bis 3 C-Atomen oder Chlor, Y 3 Wasserstoff, Alkyl mit 1 bis 3 C-Atomen, Alkoxy mit 1 bis 3 C-Atomen oder Chlor, Y 4 Wasserstoff, Alkyl mit 1 bis 3 C-Atomen bedeuten, wobei mindestens einer und höchstens drei der Substituenten Y' bis Y 4 Waserstoff sind, und sofern X 1 eine Nitro- oder Cyangruppe ist und Y 2 und Y 4 für Wasserstoff stehen, Y' auch noch Alkanoylamino mit insgesamt 1 bis 3 C-Atomen im Alkanoylrest bedeutet, und sofern X' für Alkyl mit 1 bis 3 C-Atomen steht, Y' auch noch Alkoxy mit 1 bis 3 C-Atomen bedeutet, Z Wasserstoff, Chlor, Brom, Alkyl mit 1 oder 2 C-Atomen oder Alkoxy mit 1 oder 2 C-Atomen R' Wasserstoff, Alkyl mit 1 bis 4 C-Atomen oder Alkenyl mit 3 oder 4 C-Atomen, R 2 Alkyl mit 1 bis 4 C-Atomen oder Alkenyl mit 3 oder 4 C-Atomen bedeuten, werden dadurch hergestellt, daß eine Aminoazoverbindung der Formel IIIn diazotiert und die erhaltene Diazoniumverbindung auf ein Anilinderivat der Formel IVn gekuppelt wird. Die Farbstoffe werden zum Färben und Bedrucken von Fasermaterialien aus hochmolekularen Polyestern oder Mischungen dieser Materialien mit natüriichen Materialien oder aus Zellulosetriacetat verwendet. Water-insoluble disazo dyes of the formula wherein A is a phenyl radical of the formula II in which X 1 is hydrogen, alkyl having 1 to 3 C atoms, chlorine, bromine, nitro or cyano, X 2 is hydrogen, chlorine or bromine, Y 1 is hydrogen, alkyl having 1 to 3 carbon atoms or chlorine, Y 2 is hydrogen, alkyl having 1 to 3 carbon atoms or chlorine, Y 3 is hydrogen, alkyl having 1 to 3 carbon atoms, alkoxy having 1 to 3 carbon atoms or chlorine, Y 4 is hydrogen, alkyl having 1 to 3 carbon atoms, at least one and at most three of the substituents Y 'to Y 4 are hydrogen, and if so X 1 is a nitro or cyano group and Y 2 and Y 4 are hydrogen, Y 'is also alkanoylamino with a total of 1 to 3 carbon atoms in the alkanoyl radical, and if X' is alkyl with 1 to 3 carbon atoms, Y 'also denotes alkoxy with 1 to 3 carbon atoms, Z is hydrogen, chlorine, bromine, alkyl with 1 or 2 carbon atoms or alkoxy with 1 or 2 carbon atoms R 'is hydrogen, alkyl having 1 to 4 carbon atoms or alkenyl having 3 or 4 carbon atoms, R 2 is alkyl with 1 to 4 carbon atoms or alkenyl with 3 or 4 carbon atoms are produced by that an aminoazo compound of formula III diazotized and the diazonium compound obtained on an aniline derivative of the formula IV is coupled. The dyes are used for dyeing and printing fiber materials made from high molecular weight polyesters or mixtures of these materials with natural materials or from cellulose triacetate.
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