Styryl dyestuffs

Abstract

Abstract Styryl dyestuffs of the formula WHEREIN Ar denotes a phenyl radical which contains at least one alkyl, phenylalkyl, cycloalkyl, alkylmercapto, cycloalkylmercapto, phenylalkylmercapto, phenylmercapto or heterylmercapto substiutent and is optionally substituted or denotes a phenyl radical containing at least 3 chlorine atoms, or represents an optionally partially hydrogenated napthyl radical. A represents a alkylene group, R denotes a alkyl, cycloalkyl or phenylalkyl group, Y1 and Y2 denote hydrogen, alkyl, alkoxy, phenoxy, halogen, alkanoylamino or benzoylamino, and Z represents a cyano, sulphonyl, ester or amide group AS WELL AS THEIR PREPARATION AND THEIR USE FOR THE DYEING OF HYDROPHOBIC FIBRE MATERIALS.

Inventors

• 👤 Hermann Beecken

Bibliographic Details