abstract |
Isothiazole dyes of the formula <IMAGE> where X is substituted or unsubstituted C1-C8-alkyl or substituted or unsubstituted phenyl, Y is hydrogen, cyano, chlorine or bromine, R1 is hydrogen, C1-C4-alkyl or phenyl, R2 is hydrogen, cyano, carbamoyl, C1-C4-monoalkyl- or -dialkyl-carbamoyl, C1-C6-alkanoyl, C1-C6-alkoxycarbonyl or 2-(C1-C4-alkoxy)-ethoxycarbonyl and R3 is hydrogen, C1-C8-alkyl which may be substituted and/or interrupted by one or two oxygen atoms, or is C5-C7-cycloalkyl, C3-C6-alkenyl or phenyl, are useful for dyeing synthetic fibers. |