| 摘要 |
Metal complex compounds which in the form of the free acids correspond to the formula I <IMAGE> I where A is an aliphatic, carbocyclic or heterocyclic radical, E is an aliphatic or carbocyclic radical, B is a cyano, acyl, substituted sulfonyl, carboxylic acid ester or carboxamide radical, or B and E together with the carbon atoms by which they are linked may be an alicyclic or heterocyclic radical, F is an aliphatic, carbocylic or heterocyclic radical, L is -O-, -COO-, <IMAGE> n is 1, 2, 3 or 4, Y is =CH- or =N- and Z is <IMAGE> <IMAGE> <IMAGE> or the radical of a coupling component, alkyl being of 1 to 4 carbon atoms, and R is hydrogen or unsubstituted or substituted alkyl, cycloalkyl, aryl or acyl and R1 and R2 are substituents conventionally present in dyes. The compounds of the formula I give fast dyeings on natural polyamides and synthetic nylons.
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