Chromium complexes of phenylazopyrazolyl or phenylazonaphthol dyestuffs and acetylacetone
AssigneeProduits Chimiques Ugine Kuhlmann
InventorsClaude Marie Henri Emile Brouard, Paulette Gisele Ficht
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Abstract
Monoazo chromiferous dyestuff of the formula: ##STR1## in which A represents phenylene which is unsubstituted or monosubstituted by nitro, chloro or sulpho, or disubstituted by nitro and sulpho or chloro and sulpho or methyl and nitro or chloro and chloro, B represents 1-phenyl-3-methyl-5-pyrazolyl monosubstituted on the phenyl by sulpho, chloro or ethyl, ethylidene acetanilide, hydroxyquinolidene, hydroxyphenylene, naphthylene substituted by one sulpho or one methyl, one of A or B is substituted by sulpho, Y.sub.1 represents --O-- or ##STR2## Y.sub.2 represents --O-- or ##STR3## Y.sub.1 and Y.sub.2 are each in a vicinal position with respect to azo, and Z is water, ammonia and pyridine.
Claims6
A dyestuff represented by the following structure:
- ##STR11## in which A represents phenylene which is unsubstituted or monosubstituted by nitro, chloro or sulpho, or disubstituted by nitro and sulpho or chloro and sulpho or methyl and nitro or chloro and chloro, B represents 1-phenyl-3-methyl-5-pyrazolyl which may be monosubstituted on the phenyl by sulpho, chloro or ethyl;
- or 1,2 naphthalene, one of A or B is substituted by sulpho, Y.sub.1 represents -O- or ##STR12## Y.sub.2 represents -O- or ##STR13## Y.sub.1 and Y.sub.2 are each in a vicinal position with respect to azo, and Z is water, ammonia or pyridine.
Dependencies are inferred from the claim text.