Acid monomethine-metal complex dyestuffs

Claim 1

Acid monomethine-metal complex dyestuffs of the formula ##STR27## wherein W represents ═N-- or ═C(CN)--, E represents divalent nickel, cobalt, zinc or copper, Q represents --S--, --O-- or --N(D)--, D represents hydrogen, optionally OH--, Cl--, CN--, C 1 -C 4 -alkoxycarbonyl- or CONH 2 -substituted C 1 -C 3 -alkyl, benzyl or phenyl, or C 1 -C 2 -alkoxycarbonyl, T represents hydrogen, an alkali metal or ammonium ion or the monovalent equivalent of E, p represents the numbers 2, 4 or 6, Q 1 represents hydrogen, chlorine, bromine, C 1 -C 2 -alkoxy, CN, carboxyl, C 1 -C 4 -alkoxycarbonyl or a carbamoyl radical which is optionally substituted by one or two C 1 -C 4 -alkyl radicals, Q 2 represents hydrogen, C 1 -C 2 -alkyl, chlorine, bromine, iodine, C 1 -C 4 -alkoxycarbonyl, benzoyl, C 1 -C 4 -alkylsulphonyl, including β-sulphatoethylsulphonyl, benzylsulphonyl, phenylsulphonyl, nitro, cyano, C 1 -C 4 -alkoxycarbonyl, carboxyl, a sulphamoyl or carbamoyl radical which is optionally monosubstituted or disubstituted by C 1 -C 4 -alkyl, benzyl and/or phenyl radicals, amino, acetylamino, C 1 -C 4 -alkylsulphonylamino, phenylsulphonylamino, di-(C 1 -C 4 -alkyl)-amino, piperidino, morpholino, pyrrolidino, C 1 -C 4 -alkoxy, phenoxy, C 1 -C 4 -alkylmercapto or phenylmercapto, Q 1 and Q 2 together can also represent o-phenylenemercapto or o-phenylenecarbonyl, Q 3 represents hydrogen, C 1 -C 4 -alkyl, CF 3 , chlorine, bromine, C 1 -C 4 -alkoxy (which is optionally substituted by OH, C 1 -C 4 -alkoxy or chlorine), phenoxy, phenyl, benzyl, cyclohexyl, C 1 -C 4 -alkoxycarbonyl, CN, carboxyl, C 1 -C 4 -alkylsulphonyl, phenylsulphonyl, nitro, C 1 -C 4 -alkylmercapto or a sulphamoyl or carbamoyl radical which is optionally substituted by one or two C 1 -C 4 -alkyl radicals, Q 4 represents hydrogen, C 1 -C 4 -alkyl, CF 3 , chlorine, bromine, C 1 -C 2 -alkoxy or phenyl and Q 3 and Q 4 together, when in the o-position to one another, can also represent divalent radicals of the formula --O--CH 2 --O--, --O--CH 2 --CH 2 --O--, --O--CH 2 --O--CH 2 --, --CH═CH--CH═CH--, --(CH 2 ) 4 -- or --CH 2 --C(CH 3 ) 2 --CH 2 --.