Pyridyl azo aryl metal complex dyes

Details Pyridyl azo aryl metal complex dyes Pyridyl azo aryl metal complex dyes

1976-03-25

1978-05-30

Curtis, Allen B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260146D, C09B 4506, C09B 4508, C09B 4510, C09B 4512

Patent

active

040923070

ABSTRACT:
Heavy metal complexes of azo dyes of the formula ##STR1## wherein D is the radical of a diazo component of the benzene or naphthalene series that carries the group --[CO].sub.p-1 OH in ortho-position to the azo group, p is 1 or 2, X.sub.1 is an unsubstituted or substituted amino, alkoxy, aryloxy, alkylmercapto, arylmercapto or aralkoxy group, X.sub.2 is an unsubstituted or substituted amino group or a low molecular alkyl radical, X.sub.3 is an unsubstituted or substituted amino group and Y is a cyano or carbonamido group, said azo dyes of the formula (1) containing at least one of the following groups: a sulpho or sulphonamido group, a sulphonamido group which is substituted by low molecular alkyl, phenyl or phenyl which carries non-ionogenic substituents, a low molecular alkylsulphonyl group or a phenylsulphonyl group which is unsubstituted or substituted by non-ionogenic substituents.

REFERENCES:
patent: 3875139 (1975-04-01), Back et al.
patent: 3876625 (1975-04-01), Wittwer
patent: 3933785 (1976-01-01), Back et al.
patent: 3946024 (1976-03-01), Fleckenstein et al.
patent: 3956263 (1976-05-01), Buehler et al.

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