| abstract |
A disperse dye which contains no water-solubilizing groups, of the formula <IMAGE> WHEREIN P IS 1 OR 2, R is a straight-chain alkylene radical which may be interrupted by sulphur oxygen atoms or a branched alkylene radical which is unsubstituted or substituted by hydroxy groups, R1 is an aryl group which is substituted or unsubstituted or a benzyl radical which is substituted or unsubstituted, X is an oxygen or a sulphur atom, the rings A and B can carry further non-ionic substituents, and the ring A can carry a further fused benzo ring. |