| abstract |
Reactive dyes of formula (1) wherein Q 1 and Q 2 are each independently of the other hydrogen or unsubstituted or substituted C 1 -C 4 alkyl, A is the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan or dioxazine chromophore, X is halogen, 3- or 4-carboxypyridin-1-yl, or 3- or 4-carbamoylpyridin-1-yl, Y is vinyl or a radical —CH 2 —CH 2 —U and U is a group removable under alkaline conditions, and q is the number 1 or 2, are suitable for dyeing and printing cellulosic or amide-group-containing fibre materials. |