Styryl dyestuffs

Claim 1

Water-insoluble styryl dyestuffs of the formula ##STR127## wherein V 1 , V 2 and V 4 , independently of each other, are hydrogen, methyl, ethyl, propyl, or butyl; V 3 is hydrogen or chlorine; A is phenyl, phenyl substituted 1-5 times with chlorine or methyl, or phenyl monosubstituted with bromine cyclohexyl, phenyl, benzyl, α,α-dimethylbenzyl, methoxy, ethoxy, phenoxy, benzyloxy, tertiary-butyl, methylmercapto, phenylmercapto, chlorophenoxy, or methylphenoxy; B is C 2 - to C 5 -alkylene which is unsubstituted or substituted by C 1 -C 4 -alkoxy, C 3 -C 5 -alkenyloxy, benzyloxy, phenoxy, phenyl, or mono-, di-, or tri-substituted benzyloxy, phenxoy, or phenyl wherein the substituents are methyl, ethyl, bromo, or chloro; Z is cyano or --CO 2 R; R is methyl, ethyl, propyl, n-butyl, benzyl, cyclohexyl, p-chlorobenzyl, phenylethyl, γ-phenylpropyl, β-(p-tolyl)ethyl, isopropyl, ethoxyethyl, cyanoethyl, methoxypropyl, or phenoxyethyl, and Y is hydrogen, methyl, methoxy, ethyl, ethoxy, or chloro.