| 摘要 |
Reactive dyestuffs of the formula <IMAGE> in which D is the radical of an organic dyestuff, e.g. an azo dyestuff; R is hydrogen or lower alkyl; O is a bridge member, e.g. -SO2-; n is the number 0 or 1; R1 is hydrogen or a substituent; R2 is hydrogen, optionaly substituted alkyl, alkenyl, aralkyl or aryl; and F is fluoro; are disclosed. These dyestuffs are suitable for dyeing textile materials containing hydroxyl groups or nitrogen, e.g. cellulose and wool. The dyeings have excellent fastness properties especially wet processing fastness.
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