Azo dyes from 1,3,4-thiadiazol-2-yl and 1,2,4-thiadiazol-5-yl mo

Details Azo dyes from 1,3,4-thiadiazol-2-yl and 1,2,4-thiadiazol-5-yl mo Azo dyes from 1,3,4-thiadiazol-2-yl and 1,2,4-thiadiazol-5-yl mo

1979-12-05

1981-11-24

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260152, 260154, 260156, 260157, 260158, C09B 29036, C09B 2909, C09B 2932, C09B 2936

Patent

active

043023878

ABSTRACT:
This invention relates to azo dyes in which the diazotized amino component bears sulfated hydroxyalkoxycarbonyl or N-(hydroxyalkyl)carbamoyl groups on its ring. These dyes have excellent dyeing properties on polyamide fibers and also impart color to cellulose acetate fibers and wool.
The dyes correspond to the general formulae: ##STR1## wherein X' is O, NH, N(alkyl)-- or N(aryl)--; Z is selected from straight- or branched-chain alkylene which may be substituted, for example, with phenyl, halogen, OSO.sub.3 M, alkoxy, aryloxy and the like; M is H, Na, K or NH.sub.4 ; and the coupler C is selected from those of the formulae ##STR2## wherein the R substituents are selected from a wide variety of groups known to the art.

REFERENCES:
patent: 2670265 (1954-02-01), Heyna et al.
patent: 2773863 (1956-12-01), Bolliger
patent: 2790172 (1957-04-01), Rudner
patent: 3114754 (1963-12-01), Lodge et al.
patent: 3232927 (1966-02-01), Randall et al.
patent: 3531459 (1970-09-01), Chiddix et al.
patent: 3957751 (1976-05-01), Bauer et al.
patent: 3998805 (1976-12-01), Koller et al.
patent: 4119623 (1978-10-01), Hugl et al.

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