| 摘要 |
A water soluble trisazo dyestuff of the formula B1-N=N-Z-N=N-M-N=N-B2 is useful for dyeing substances containing nitrogen or hydroxyl wherein M is <IMAGE> B1 and B2 are the same or different and are selected from the group consisting of <IMAGE> <IMAGE> +TR <IMAGE> 2,4-dihydroxy-3-quinolyl and 2,6-diamino-5-pyridyl; Z is <IMAGE> +tr <IMAGE> X is <IMAGE> -O- or -S-; R1 is hydrogen, alkyl having 1 to 4 carbon atoms, phenyl or benzyl; R3 is hydrogen, chloro or alkyl or alkoxy having 1 to 4 carbon atoms; R4 is hydrogen chloro, alkyl or alkoxy having 1 to 4 carbon atoms, hydroxy, alkanoylamino having 1 to 4 carbon atoms, benzoylamino, naphthoylamino, oxalylamino, carboxyalkylamino having 2 to 5 carbon atoms, sulphoalkylamino having 1 to 4 carbon atoms or oxyalkylamino having 1 to 4 carbon atoms; R5 is hydrogen or alkyl having 1 to 8 carbon atoms; R6 is -CN, -COOH, -CONH2 or -SO3H; R7 is hydrogen, or alkyl having 1 to 4 carbon atoms, R8is hydrogen phenyl or phenyl substituted with a methyl, nitro, chloro or sulpho; R9 is methyl, carboxyl or alkoxycarbonyl having 2 to 5 carbon atoms; R10 is hydrogen, methyl, methoxy, chloro, -COOH or -SO3H; E is a hydroxyl, amino, alkylamino having 1 to 4 carbon atoms, phenylamino, naphthylamino, benzoylamino, naphthoylamino, alkanoylamino having 2 to 5 carbon atoms, carboxyalkylamino having 2 to 5 carbon atoms, sulphoalkylamino having 1 to 4 carbon atoms, hydroxyalkylamino having 1 to 4 carbon atoms dialkylamino having 1 to 4 carbon atoms in each alkyl; E' is hydrogen or the same or a different member of the group of substituents standing for E; R11, R12 and R13 are alkyl or alkoxy having 1 to 4 carbon atoms, carboxyl, sulpho, chloro, bromo, nitro or methoxycarbonyl; R14 and R15 are hydrogen, methyl, ethyl, methoxy, ethoxy or chloro; with the proviso that at least one of M, B1 and B2 includes a sulpho substituent.
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