Disperse azo dyestuffs derived from a 3-amino-7-azabenz-2,1-isothiazole diazo component

Abstract

The disperse monoazo dyestuffs, free from sulphonic acid groups, which are of the formula: ##STR1## wherein X is hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, --NR.sup.1 R.sup.2, --SR.sub.3, chlorine, bromine --OR.sup.3 or --SO.sub.2 R.sup.3 ; Z is hydrogen, alkyl, substituted alkyl, aryl or substituted aryl; Y is hydrogen, nitro, cyano, --COOR.sup.3, --COR.sup.3, --CONR.sup.1 R.sup.2, --SO.sub.2 R.sup.3 or --SO.sub.2 NR.sup.1 R.sup.2 ; E is the residue of a coupling component; R.sup.1 is hydrogen, alkyl or aryl; R.sup.2 is hydrogen or alkyl; and R.sup.3 is alkyl or aryl, A process for the manufacture of the said dyestuffs, and their use for coloring synthetic textile materials.

Dependencies are inferred from the claim text.