Fiber-reactive anthraquinone dyes, process for their preparation and their use.

摘要

The invention concerns fibre-reactive anthraquinone dyes of the formula where R1, R2, B, U, R and n are each as defined in Claim 1. The anthraquinone dyes of the formula (1) are suitable for dyeing or printing hydroxyl-containing or nitrogen-containing fibre materials, producing dyeings or prints having good all round fastness properties.