Benzene-azo-heterocyclic dyestuffs derived from alkyl aminocinna

Details Benzene-azo-heterocyclic dyestuffs derived from alkyl aminocinna Benzene-azo-heterocyclic dyestuffs derived from alkyl aminocinna

1974-02-12

1978-07-18

Wyman, Daniel E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260152, 260155, 260156, 260160, 260163, 260164, 260165, 260174, 260177, 260178, 260184, 260186, 260187, 260191, 260196, 2602071, C09B 2936, C09B 2938, C09B 3114, C09B 3302

Patent

active

041015436

ABSTRACT:
A dyestuff of the formula: ##STR1## IN WHICH --CH.dbd.CH--CO--Y is fixed in the 4 or 5 position, X is hydrogen or chlorine, Y is amino or alkoxy containing 1 to 4 carbon atoms, the p-phenylene nucleus A is unsubstituted or substituted by chlorine, alkyl containing 1 to 4 carbon atoms, alkoxy containing 1 to 4 carbon atoms, formylamino, acetylamino, propanoylamino, benzoylamino or cinnamoylamino, m is 0 or 1, and B represents the radical N-methyl (or ethyl)-4-hydroxy-2-oxo-quinolyl, 2-hydroxy-carbazolyl, 3-hydroxy-dibenzofuranyl, 2-phenylindolyl, N-methyl (or ethyl)-2-hydroxy-3-cyano-4-methyl-6-oxopyridyl, 3,6-dimethyl-4-hydroxy-1-phenyl-(4,5,-b)pyrazolopyridyl or the radical of formula: ##STR2## wherein R.sub.3 is hydrogen, methyl, alkoxycarbonyl, carbonamido or alkyl-substituted carbonamido and R.sub.4 is hydrogen, chlorine, nitro, methyl, cyano or, but only in the 3 or 4 position of the phenyl nucleus, sulphonamido, carbonamido, alkyl-substituted sulphonamido or alkyl-substituted carbonamido, the alkyl and alkoxy groups containing 1 to 4 carbon atoms. Such a dyestuff is used in the coloration of synthetic fibres.

REFERENCES:
patent: 3578654 (1971-05-01), Favre
patent: 3663530 (1972-05-01), Leroy et al.

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