Naphtholactam dyes

C - Chemistry – Metallurgy – 09 – B

Patent

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Details

C09B 57/06 (2006.01) C07D 401/04 (2006.01) C07D 495/06 (2006.01)

Patent

CA 2198028

The invention concerns naphtholactam derivatives of formula (I), in which: R1 represents hydrogen, optionally substituted C1-C6 alkyl, C5-C6 cycloalkyl or substituted phenyl; R2 and R3 represent hydrogen, C1-C8 alkanoyl, optionally substituted benzoyl, optionally substituted C2-C4 alkyl, optionally substituted C2-C4 alkenyl, optionally substituted C2-C4 alkinyl, a halogen, nitro, sulphamoyl, optionally substituted hydroxy, optionally substituted mercapto, C1-C6 alkylsulphonyl or optionally substituted phenylsulphonyl; R4 represents hydrogen or, with R3, a group of formula (II); R5 represents hydrogen or C1-C6 alkyl; R6 represents cyano, carbamoyl, C1-C4 mono- or dialkylcarbamoyl, carboxyl or C1-C4 alkoxycarbonyl; and R7 represents substituted C1-C4 alkyl, optionally substituted C5-C13 alkyl or benzoyl. Also disclosed is the use of these derivatives for dyeing or printing textiles.

L'invention concerne des dérivés de naphtolactame de formule (I) où R?1¿ représente hydrogène, alkyle C¿1?-C¿6? éventuellement substitué, cycloalkyle C¿5?-C¿7? ou phényle éventuellement substitué; R?2¿ et R?3¿ représentent hydrogène, alcanoyle C¿1?-C¿8?, benzoyle éventuellement substitué, alkyle C¿2?-C¿4? éventuellement substitué, alcényle C¿2?-C¿4? éventuellement substitué, alcinyle C¿2?-C¿4? éventuellement substitué, halogène, nitro, sulfamoyle, hydroxy éventuellement substitué, mercapto éventuellement substitué, alkylsulfonyle C¿1?-C¿6? ou phénylsulfonyle éventuellement substitué; R?4¿ représente hydrogène ou, conjointement avec R?3¿, un radical de formule (II); R?5¿ représente hydrogène ou alkyle C¿1?-C¿6?; R?6¿ représente cyano, carbamoyle, mono ou dialkylcarbamoyle C¿1?-C¿4?, carboxyle ou alcoxycarbonyle C¿1?-C¿4? et R?7¿ représente alkyle C¿1?-C¿4? substitué, alkyle C¿5?-C¿13? éventuellement substitué ou benzoyle. L'invention concerne également l'utilisation de ces dérivés pour la teinture ou l'impression de matériaux textiles.

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