Soluble trisazo dyestuffs containing a 2-phenyl-benzimidazolyl,

Details Soluble trisazo dyestuffs containing a 2-phenyl-benzimidazolyl, Soluble trisazo dyestuffs containing a 2-phenyl-benzimidazolyl,

1977-05-10

1979-03-13

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260141, 260155, 260156, 260158, 260159, 260160, C09B 3536

Patent

active

041442318

ABSTRACT:
A water soluble trisazo dyestuff of the formula B.sub.1 --N.dbd.N--Z-N.dbd.N-M-N.dbd.N-B.sub.2 is useful for dyeing substances containing nitrogen or hydroxyl wherein M is ##STR1## B.sub.1 and B.sub.2 are the same or different and are selected from the group consisting of ##STR2## 2,4-dihydroxy-3-quinolyl and 2,6-diamino-5-pyridyl; Z is ##STR3## X is --O-- or --S--; R.sub.1 is hydrogen, alkyl having 1 to 4 carbon atoms, phenyl or benzyl; R.sub.3 is hydrogen, chloro or alkyl or alkoxy having 1 to 4 carbon atoms;
R.sub.4 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;
R.sub.5 is hydrogen or alkyl having 1 to 8 carbon atoms; R.sub.6 is --CN, --COOH, --CONH.sub.2 or --SO.sub.3 H; R.sub.7 is hydrogen, or alkyl having 1 to 4 carbon atoms, R.sub.8 is hydrogen phenyl or phenyl substituted with a methyl, nitro, chloro or sulpho; R.sub.9 is methyl, carboxyl or alkoxycarbonyl having 2 to 5 carbon atoms; R.sub.10 is hydrogen, methyl, methoxy, chloro, --COOH or --SO.sub.3 H;
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;
R.sub.11, r.sub.12 and R.sub.13 are alkyl or alkoxy having 1 to 4 carbon atoms, carboxyl, sulpho, chloro, bromo, nitro or methoxycarbonyl; R.sub.14 and R.sub.15 are hydrogen, methyl, ethyl, methoxy, ethoxy or chloro; with the proviso that at least one of M, B.sub.1 and B.sub.2 includes a sulpho substituent.

REFERENCES:
patent: 4033945 (1977-07-01), Bauer et al.

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