| abstract |
wherein D is the rest of an organic dye from the anthraquinone, phthalocyanine, formazane, azomethine, dioxazine, phenazine, triphenylmethane, xantene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylene tetracarbimide series, R is hydrogen or optionally substituted C 1-4 alkyl, AC 2-6 alkylene, Z ß-halogenoethyl or vinyl and B is hydrogen or the rest of an optionally substituted hydrocarbon are suitable for dyeing and printing cellulosic and nitrogenous materials. |