Fiber-reactive chromium complexes and their preparation and use for polyamide, leather and cotton

A process for dyeing textile materials with a chromium complex of the formula ##STR319## in which B is the radical of salicyclic acid unsubstituted or substituted by sulfo, amino and acetylamino, 1,2-dihydroxybenzene, 3,4,6-trihydroxybenzoic acid, phthalic acid, 1-hydroxynaphthalene-8-carboxylic acid or ##STR320## where R.sub.1 is the direct bond, C.sub.1-2 -alkylene or --CH.dbd.CH--, R.sub.2 is C.sub.1-4 -alkyl and R.sub.1 and R.sub.2 are unsubstituted or substituted by halogen or C.sub.1-4 -alkoxy, L is H.sub.2 O, NH.sub.3, R.sub.2 --OH, R.sub.2 --NH.sub.2, (R.sub.2).sub.2 NH, (R.sub.2).sub.3 N or pyridine, D is benzene or naphthalene, Y is the nitrogen atom or the CH group, K, in the event that Y is the nitrogen atom, including [O or N(R)] is naphthol which is unsubstituted or substituted by halogen, amino, acylamino, acyl, C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy, sulfonamido, N-monosubstituted or N,N-disubstituted sulfonamido, sulfo and sulfonyl;

• naphthylamine which is unsubstituted or substituted by halogen, C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy, sulfonamido, monosubstituted or disubstituted sulfonamido, sulfo or sulfonyl;
• 5-pyrazolones or 5-aminopyrazoles which have in the 1-position phenyl or naphthyl which are unsubstituted or substituted by halogen, nitro, C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy, sulfonamido, N-alkylated sulfonamido, sulfo, sulfonyl and amino;
• 2,6-dihydroxy-3-cyano- or -3-carboxamido-4-alkylpyridines or 6-hydroxy-2-pyridones which are substituted in the 1-position by C.sub.1-4 -alkyl or C.sub.1-4 -alkyl substituted by hydroxy, amino or isopropoxy, or the 1-position is substituted by --NH.sub.2, --N(CH.sub.3).sub.2 or --N(C.sub.2 H.sub.5).sub.2 and which carry --CN or carboxamido in the 3-position and C.sub.1-4 -alkyl in the 4-position;
• acetoacetanilides or benzoylacetanilides which are unsubstituted or substituted by C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy, C.sub.1-4 -alkylsulfonyl, C.sub.1-4 -hydroxyalkyl, C.sub.1-4 -alkoxyalkyl, C.sub.1-4 -cyanoalkylsulfonyl, sulfonamido, N-alkylated sulfonamido, sulfo, acetylamino and halogen;
• phenols which are substituted by C.sub.1-5 -acylamino or C.sub.1-5 -alkyl or C.sub.1-5 -acylamino and C.sub.1-5 -alkyl, and hydroxyphenols;
• quinolones;
• or in the event that Y is the CH group K including [O or N(R)] is o-hydroxybenzaldehyde or o-hydroxynaphthaldehyde, and D and K independently of each other are unsubstituted or substituted by C.sub.1-5 -alkyl, C.sub.1-4 -alkoxy, acylamino having 1 to 6 carbon atoms, benzoylamino, amino, monoalkylamino or dialkylamino each having 1 to 4 carbon atoms, phenylamino, alkoxycarbonyl having 1 to 4 carbon atoms in the alkoxy radical, nitro, cyano, trifluoromethyl, halogen, sulfamoyl, carbamoyl, ureido, hydroxy, C.sub.1-4 -alkylsulfonyl, carboxyl, sulfomethyl, phenylazo or naphthylazo, and D and K contain the --(CO).sub.0-1 --O-- and --[O or N(R)]-- adjacent to the --N.dbd.Y-- and R is hydrogen, C.sub.1-4 -alkyl or phenyl, Ka is a cation, X is acryloyl, monohalogenoacryloyl, dihalogenoacryloyl, trihalogenoacryloyl, monohalogenomethacryloyl, dihalogenomethacryloyl, trihalogenomethacryloyl, monohalogenopropionyl, dihalogenopropionyl, phenylsulfonylpropionyl, methylsulfonylpropionyl, vinylsulfonyl, .beta.-chloroethylsulfonyl, .beta.-sulfatoethylsulfonyl, monohalogenopyrimidyl, dihalogenopyrimidyl, trihalogenopyrimidyl, monohalogenotriazinyl, dihalogenotriazinyl, X is bonded to D, K or B, D and K, D and B or K and B directly or via ##STR321## or --CH.sub.2 --N(R)--, m is 1, 2 or 3, n is 1 or 2 and k is 0 or 1, which comprises using an aqueous liquor which contains compound B, the 1:1 chromium complex of the formula ##STR322## in which D, K, Ka, L, R and X are defined as above, p is 0 to 3, q is 0 to 2 and An is an anion, and the textile material can, if desired, also contain further additives, heating the liquor to 100.degree. C. in continuous or stepwise fashion and then bringing it to an alkaline pH, and completing the dyeing, and wherein if p is 0 the compound B contains at least one SO.sub.3.sup..crclbar. Ka group and if q is 0 at least one fibre reactive radical X.