Azo dyes with 2,6-diamino-pyridine coupling component

Details Azo dyes with 2,6-diamino-pyridine coupling component Azo dyes with 2,6-diamino-pyridine coupling component

1973-12-19

1978-12-05

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

546289, 546285, C09B 2936, D06P 118, D06P 326, D06P 372

Patent

active

041285450

ABSTRACT:
Azo dyes having a 2,6-diamino-pyridine as coupling component, one of the amino groups bearing a bicyclic or polycyclic non-aromatic radical as a substituent. The dyes are eminently suitable as disperse dyes, particularly for synthetic linear polyesters, and give bright dyeings having excellent fastness properties.

REFERENCES:
patent: 1680109 (1928-08-01), Ostromislensky
patent: 1862361 (1932-06-01), Dohrn et al.
patent: 1990923 (1935-02-01), Tisza et al.
patent: 2029315 (1936-02-01), Engelmann
patent: 2068353 (1937-01-01), Schneiderwirth
patent: 2135293 (1938-11-01), Renshaw et al.
patent: 2148705 (1939-02-01), Mietzsch et al.
patent: 3357968 (1967-12-01), Wilbert et al.
Shreve et al., J. Am. Chem. Soc., vol. 65, pp. 2241-2243 (1943).

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