摘要 |
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.
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