Disperse dyes

Disclosed are novel dyes of the formula wherein R is cyano, alkoxycarbonyl containing 1 to 6 carbon atoms in the alkoxy moiety, alkylcarbonyl containing 1 to 6 carbon atoms in the alkyl moiety, carbamoyl or carbamoyl which is N-monosubstituted or N,N-disubstituted by C1-C6alkyl or nitro, R1 is the r...

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Hauptverfasser: NAEF, RUDOLF
Format: Patent
Sprache:eng
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Zusammenfassung:Disclosed are novel dyes of the formula wherein R is cyano, alkoxycarbonyl containing 1 to 6 carbon atoms in the alkoxy moiety, alkylcarbonyl containing 1 to 6 carbon atoms in the alkyl moiety, carbamoyl or carbamoyl which is N-monosubstituted or N,N-disubstituted by C1-C6alkyl or nitro, R1 is the radical of an aromatic system, and R2 is the radical of a 5- or 6-membered ring containing at least one nitrogen atom and at least one double bond and which may be fused with aromatic rings. The dyes are particularly suitable for dyeing polyester textile materials in red to green shades.