| abstract |
This invention relates to the salt table of General formula (1).n n n n n n n n In the above formula,n n n D is a general formulan n n n n n n n Radicals of the diazo component of wherein A 1 is hydrogen, halogen, SO 2 R 3 , CF 3 , NO 2 or CN; A 2 is hydrogen, halogen or CN; A 3 is hydrogen or halogen, provided that at least one of the substituents X, A 1 , A 2 and A 3 cannot be hydrogen; A 4 is hydrogen, halogen, nitro, R 3 , NHCOR 3 or OR 3 ], and Z 1 is a general formula Is a radical of (4),n n n Z 2 is hydrogen or a radical of formula (4), X is hydrogen, halogen, CF 3 , R 3 , OR 3 , NH-CO-R 7 , NH-CO-OR 8 , NH-SO 2 -R 7 or [Where R 3 is C 1 -C 6 alkyl; R 4 and R 5 are each independently of each other hydrogen, C 1 -C 4 alkyl or C 1 -C 1 alkoxy-C 2 -C 4 alkyl; R 7 is hydrogen, C 1 -C 6 alkyl, C 1 -C 4 alkoxy-C 1 -C 4 alkyl or phenyl; R 8 is C 1 -C 6 alkyl or C 1 -C 4 alkoxy-C 2 -C 4 alkyl.n n n The dyes of the invention are particularly suitable for dyeing polyester fiber materials. |