Disazo compounds containing a 6-acetoacetamide-1-naphthol-3-sulfonic derivative as coupling component

Claim 2

An azo compound of the formula ##STR50## wherein D 1 and D 2 independently of one another are each the radical of a diazo component, R is C 1 -C 4 -alkyl or C 1 -C 4 alkyl substituted by C 1 -C 4 -alkoxy or halogen or is phenyl or phenyl substituted by C 1 -C 4 -alkyl, halogen or C 1 -C 4 alkoxy, and Y is a basic or cationic group, with the proviso that the number of basic or cationic Y groups is equal to or greater than the number of SO 3 H groups.

Claim 3

An azo compound of claim 1, wherein D 1 and D 2 independently of one another are each a benzene, naphthalene or heterocyclic radical.

Claim 4

An azo compound of claim 1, wherein R is unsubstituted C 1 -C 4 -alkyl.

Claim 5

An azo compound of claim 1, wherein R is methyl.

Claim 6

An azo compound of claim 1 wherein Y is a basic group of the formula ##STR51## wherein T 1 and T 2 independently of one another are each hydrogen, C 1 -C 4 -alkyl or C 1 -C 4 -alkyl substituted by hydroxyl, C 1 -C 4 -alkoxy, or --N.sup.⊕ T 7 T 8 T 9 , or T 1 +T 2 with the inclusion of the nitrogen atom form a heterocyclic pyrrolidine, piperidine, morpholine or piperazine ring, and wherein T 7 , T 8 and T 9 independently of each other are each C 1 -C 4 -alkyl, or C 1 -C 4 -alkyl substituted by phenyl, C 1 -C 4 -alkylphenyl, hydroxyl, halogen, CN, --NT 1 T 2 or T 7 , T 8 , and T 9 complete a nitrogen-containing heterocyclic ring selected from the group consisting of pyridinium, pyridinium substituted by methyl, hydroxyl, amino, COOH and CN, 1,4-diazobicyclo[2,2,0]octyl and 1,4-diazobicyclo[2,2,0]octyl substituted by C 1 -C 4 -alkyl in the 4-position, or T 7 and T 8 are C 5 or C 6 -cycloalkyl.

Claim 7

An azo compound of claim 1, wherein Y is a cationic group of the formula ##STR52## wherein T 3 and T 4 independently of one another are each C 1 -C 4 -alkyl or cycloalkyl, T 5 and T 6 independently of one another are each hydrogen, C 1 -C 4 -alkyl or cycloalkyl, T 7 , T 8 , and T 9 independently of each other are each C 1 -C 4 -alkyl, or C 1 -C 4 -alkyl substituted by phenyl, C 1 -C 4 -alkylphenyl, hydroxyl, halogen, CN, --NT 1 T 2 or --N.sup.⊕ T 7 T 8 T 9 , or T 7 , T 8 , and T 9 complete a nitrogen-containing heterocyclic ring selected from the group consisting of pyridinium, pyridinium substituted by methyl, hydroxyl, amino, COOH and CN, 1,4-diazobicyclo[2,2,0]octyl and 1,4-diazobicyclo[2,2,0]octyl substituted by C 1 -C 4 -alkyl in the 4-position, or T 7 and T 8 are C 5 or C 6 cycloalkyl.