3(5-tetrazolyl)1,4-diaminoanthraquinones

Claim 1

A 1,4-diaminoanthraquinone compound of the formula ##STR125## wherein R 1 and R 2 independently of one another are each hydrogen; C 1 -C 6 alkyl or C 1 -C 6 alkyl substituted by hydroxy, C 1 -C 4 alkoxy or hydroxy-C 1 -C 4 alkoxy; C 5 -C 8 cycloalkyl or C 5 -C 8 cycloalkyl substituted by C 1 -C 3 alkyl; or phenyl or phenyl substituted by C 1 -C 6 alkyl, C 1 -C 6 alkoxy, halogen, nitro, NHCO-C 1 -C 6 alkyl, --COO--C 1 --C 4 alkyl or --COO--C 1 --C 4 hydroxyalkyl; R 3 is hydrogen, cyano, or COOR 4 or CONR 5 R 6 , wherein R 4 is C 1 -C 10 alkyl or C 1 -C 10 alkyl substituted by hydroxy, phenoxy, alkoxy or hydroxyalkoxy or is C 5 -C 8 cycloalkyl, and R 5 and R 6 independently of one another are each hydrogen or C 1 -C 10 alkyl, R 7 is C 1 -C 10 alkyl or C 1 -C 10 alkyl substituted by hydroxy, C 1 -C 4 alkoxy, phenyl or phenyl substituted by C 1 -C 4 alkyl, halogen or nitro, phenyl-C 1 -C 3 alkoxy, phenyl-C 1 -C 3 alkylthio, phenoxy, lower alkanoyl, lower alkanoyloxy, --NR 8 R 9 or --.sup.⊕ NR 8 R 9 R 10 An.sup.⊖ wherein R 8 , R 9 and R 10 independently are C 1 -C 4 alkyl or phenyl-C 1 -C 4 alkyl and An.sup.⊖ is an anion, or COR 12 wherein R 12 is phenyl, C 1 -C 6 alkyl or C 1 -C 6 alkyl substituted by phenyl which is unsubstituted or substituted by C 1 -C 4 alkyl or halogen, and wherein the benzo radical A is not substituted or is substituted by halogen, hydroxy, C 1 -C 4 -alkoxy, hydroxy-C 1 -C 4 -alkoxy, phenoxy, C 1 -C 4 -alkylphenoxy, halophenoxy, nitro, amino, N-C 1 -C 4 -alkylamino, N,N-di-C 1 -C 4 -alkylamino, phenylamino, C 1 -C 4 -alkylphenylamino, C 1 -C 4 -alkoxyphenylamino or halophenylamino.