Phenyl- or naphthyl-azo-(8-hydroxyquinoline) 1:2-cobalt complex

Details Phenyl- or naphthyl-azo-(8-hydroxyquinoline) 1:2-cobalt complex Phenyl- or naphthyl-azo-(8-hydroxyquinoline) 1:2-cobalt complex

1980-09-04

1984-02-14

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260155, C09B 2944, C09B 4520, D06P 324, D06P 332

Patent

active

044315830

ABSTRACT:
1:2 Cobalt complex dyes of azo compounds of the formula ##STR1## wherein D is a phenyl or naphthyl radical which is substituted by sulphonic acid groups, halogen atoms, alkyl, alkoxy, nitro, cyano, acylamino or arylazo groups or is unsubstituted, and R is a hydrogen atom, a sulpho group, a halogen atom or a methyl group, and wherein the total number of sulpho groups present is 1 to 3. The dyes are suitable for dyeing polyamide materials such as wool, silk, synthetic polyamides and leather, particularly the latter. The dyes give full brown shades of good covering power with excellent fastness to light.

REFERENCES:
patent: 1775644 (1930-09-01), Kammerer et al.
patent: 1991808 (1935-02-01), Krzikalla et al.
patent: 2676956 (1954-04-01), Anderau
patent: 2830042 (1958-04-01), Dittmar et al.
patent: 3073013 (1963-01-01), Gross et al.
Houben-Weyl, "Methoden der Organischen Chemie", vol. X/3, p. 437 (1965).

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