Heterocyclic-azo-phenyl compounds containing a styrl group

Details Heterocyclic-azo-phenyl compounds containing a styrl group Heterocyclic-azo-phenyl compounds containing a styrl group

1972-11-20

1976-01-20

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260155, 260157, 260158, 260162, C09B 2900

Patent

active

039337863

ABSTRACT:
An azo dyestuff that contains at least one residue of a styryl dyestuff. The dyestuffs dye synthetic fibers in bright colours the dyestuffs are of the formula ##EQU1## wherein D is a heterocyclic diazo component, B is a coupling component, A is a para-phenylene and R.sub.1 and R.sub.2 are alkyl that may be substituted.

REFERENCES:
patent: 2824096 (1958-02-01), Heckert
patent: 3069408 (1962-12-01), Merian et al.
patent: 3097198 (1963-07-01), Fishwick et al.
patent: 3190861 (1965-06-01), Fertig et al.
patent: 3337522 (1967-08-01), Wegmuller
patent: 3518244 (1970-06-01), Mundlos et al.
patent: 3542758 (1970-11-01), Hegar
patent: 3717625 (1973-02-01), Peter et al.

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