Dyes containing 3,4-disubstituted-2-diaza-thiophene radicals

Organic compounds -- part of the class 532-570 series – Organic compounds – Azo

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534630, 534640, 534651, 534738, 534740, 534753, 534765, 534767, 534768, 534769, 534772, 534773, 534774, 534775, 534791, 534792, 534794, 534573, C09B 6235, C09B 29033, C09B 2933, C09B 2936

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049526812

ABSTRACT:
Compounds of the formula I ##STR1## where X is fluorine, chlorine, bromine, SO.sub.2 E or unsubstituted or substituted hydroxyl or mercapto, E is alkyl, alkenyl, cycloalkyl, aralkyl, aryl, chlorine or unsubstituted or substituted hydroxyl or amino, Y is cyano, nitro, alkanoyl, aroyl, alkylsulfonyl, arylsulfonyl, carboxyl, a carboxylic ester group or unsubstituted or substituted carbamyl, T is hydrogen, C.sub.1 -C.sub.4 -alkyl, a radical which can be introduced by electrophilic substitution or a radical of the formula --CH.dbd.B, in which B is a radical of a methylene-active compound or of an amine, and K is a radical of a coupling component, are disclosed. They are useful for dyeing synthetic fibers or plastics.

REFERENCES:
patent: 4092329 (1978-05-01), Jotterand
patent: 4255326 (1981-03-01), Giles et al.
patent: 4264495 (1981-04-01), Maher et al.
patent: 4507407 (1985-03-01), Kluger et al.

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