| 摘要 |
PURPOSE: Provided are novel reactive dyes which give dyeings and prints having good fastness properties, their preparation process and their use in the dyeing or printing of cellulosic fiber materials or natural or synthetic polyamide fiber materials, with a high color yield. CONSTITUTION: Reactive dyes is represented by formula(1), wherein R1 is halogen, C1-C4alkyl, C1-C4alkoxy, C2-C4alkanoylamino, alpha,beta-dihalopropionylamino or alpha-haloacryloylamino, X is halogen, n is the number 0, 1 or 2, and V is a radical of formula(2) or (3).
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