Patent ID: 6177552
Filing Date: 2001-01-23
Classification: C07C,C09B

Abstract:
An azo compound of the general formula (1)D-N=N-K (1)in which:D is a group of the general formula (2) ##STR14##in which:R.sup.21 is hydrogen, methyl, ethyl, methoxy, ethoxy or sulfo;R.sup.22 is hydrogen, methyl, ethyl, methoxy, ethoxy or sulfo;R.sup.23 is hydrogen, alkyl of 1 to 4 carbon atoms or phenyl;n is 2 or 3;Y is vinyl or is a group of the general formula (3)--CH.sub.2 --CH.sub.2 --Z (3)where Z is a substituent which is eliminable by alkali with the formation of a vinyl group;K is the radical of a sulfo- or carboxy- or sulfo- and carboxy-containing compound which possesses the function of a singly or doubly coupleable coupling component or contains the latter as a moiety attached to the azo group, the coupling component being selected from the following compounds: aminobenzenes, diaminobenzenes and phenols; naphthols; aminonaphthols; acylaminonaphthols with the acyl radical of an alkanecarboxylic acid having 1 to 4 carbon atoms in the alkyl group, or of an alkenecarboxylic acid having 2 to 4 carbon atoms in the alkenyl group, or of an aromatic carboxylic acid, of an aromatic sulfonic acid or of an N-substituted carbamic acid; dihydroxynaphthalenesulfonic acids; phenylazo- and naphthylazoaminonaphtholsulfonic acids; 5-pyrazolones and 5-aminopyrazoles; acetoacetylarylides; 2-hydroxy-6-pyridones; hydroxyquinolines; the radical K optionally containing one or more fiber-reactive groups in addition to substituents that are in water-soluble dyes.