Compounds containing a 3-sulfoalkanoylamino or 3-sulfoalylsulfonylaminoaniline coupling component

Abstract

A compound of the formula ##STR1## in which R.sub.1 and R.sub.2 independently of one another are each C.sub.1 -C.sub.10 alkyl which is unsubstituted or substituted by hydroxyl, C.sub.1 -C.sub.4 alkoxy, phenyl, sulfo, sulfato, thiosulfato, cyano or halogen, C.sub.5 -C.sub.7 cycloalkyl which is unsubstituted or substituted by halogen, C.sub.1 -C.sub.4 alkyl, or C.sub.1 -C.sub.4 alkoxy, or phenyl or naphthyl which both are unsubstituted or substituted by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, benzoylamino, halogen or sulfo, R.sub.3 is hydrogen, halogen, C.sub.1 -C.sub.10 alkyl which is unsubstituted or substituted by hydroxyl, C.sub.1 -C.sub.4 alkoxy, phenyl, sulfo, sulfato, thiosulfato, cyano or halogen, C.sub.1 -C.sub.10 alkoxy which is unsubstituted or substituted by C.sub.1 -C.sub.4 alkoxy, or phenoxy which is unsubstituted or substituted by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, benzoylamino, halogen or sulfo, X is --CO-- or --SO.sub.2 --, n is the number 1,2,3,4,5 or 6 and M is a cation.

Dependencies are inferred from the claim text.