Double phenylazo- or naphthylazobenzenes with several reactive groups as well as their intermediate products

摘要

Reactive dyes of the formula …IMAGE… in which … …  n denotes 0 or 1, …  R1, R2 and R3 each denote hydrogen, C1-C4-alkyl or phenyl, …  R4 denotes fluorine, chlorine, bromine, C1-C4-alkylsulphonyl, phenylsulphonyl or a radical of the formula …IMAGE… …  L denotes a bridge member, …  A denotes optionally substituted C2-C8-alkylene, …  Y denotes vinyl or a radical of the formula -CH2-CH2-Q, where Q represents a group which can be eliminated under alkaline reaction conditions, and …  D denotes phenyl or naphthyl, where these radicals can be substituted, … novel phenylenediamines as their intermediates and the use of the new dyes for the dyeing or printing of fibres containing hydroxyl groups or nitrogen atoms.