Reactive disazo dyes containing halopyrimidyl and sulfonyl groups
AssigneeCiba-Geigy Corporation
InventorAthanassios Tzikas
Life of this patent
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Abstract
Reactive dyes of the formula ##STR1## in which D is the radical of a dye of the polyazo or metal complex azo series, R.sub.1 is hydrogen or an unsubstituted or substituted C.sub.1-4 -alkyl radical, and X is the vinyl, .beta.-sulfatoethyl, .beta.-thiosulfatoethyl, .beta.-chloroethyl or .beta.-acetoxyethyl group, are suitable in particular for dyeing and printing cellulose-containing fibre materials by the cold pad-batch method and produce, in high dyeing yields, dyeings and prints having good fastness properties.
Claims2
A reactive dye of the formula ##STR31## in which X is vinyl, .beta.-sulfatoethyl, .beta.thiosulfatoethyl, .beta.-chloroethyl or .beta.-acetoxyethyl, and the benzene and naphthalene rings A, B and B', independently of one another, are unsubstituted or substituted by a member selected from the group consisting of alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms, acylamino having 1 to 8 carbon atoms, amino, alkylamino having 1 to 4 carbon atoms, phenylamino, N,N-di-.beta.-hydroxyethylamino, N,N-di-.beta.-sulfatoethylamino, sulfobenzylamino, N,N-disulfobenzylamino, alkoxycarbonyl having 1 to 4 carbon atoms in the alkoxy radical, alkylsulfonyl having 1 to 4 carbon atoms, trifluoromethyl, nitro, cyano, halogen, carbamoyl, N-alkylcarbamoyl having 1 to 4 carbon atoms in the alkyl radical, sulfamoyl, N-alkylsulfamoyl having 1 to 4 carbon atoms, N-(.beta.-hydroxyethyl)-sulfamoyl, N,N,-di-(.beta.-hydroxyethyl)-sulfamoyl, N-phenylsulfamoyl, ureido, hydroxyl, carboxyl, sulfomethyl and sulfo.
Dependencies are inferred from the claim text.