| 摘要 |
<p>Monoazo dyes having formula (1) wherein Q is -Br or -Cl; R?1 and R2¿ each independently is H or is selected from the group consisting of C¿1-6?-alkyl and aryl groups, each of which may be unsubstituted or substituted by one or more nonionic substituents; and R?3, R4, R5 and R6¿ each independently is H, F, Cl, Br, I, -SO¿2?F or an organic moiety selected from the group consisting of C1-6-alkyl, C1-6-alkoxy, C1-4 alkanoylamino, -NHSO2alkyl, -NHCOC1-4alkyl and -Ophenyl moieties, each organic moiety being unsubstituted or substituted by one or more nonionic substittuents are provided. The dyes can be employed for the colouring of synthetic textile material.</p> |
