| 摘要 |
Dyes of the formula <IMAGE> in which Y represents -NO2, -NH2, -NHCOR<1> or NHCOOR<2>, R<1> represents optionally substituted C1- to C20-alkyl, phenoxy-C1- to C4-alkyl, -CH=CH2, <IMAGE>, phenylamino or phenyl, where the phenoxy and phenyl radicals are optionally substituted; R<2> represents C1- to C20-alkyl, C6- to C10-cycloalkyl, alkoxyalkyl altogether having 3 to 12 C atoms or phenyl; R represents chlorine, bromine, C1- to C8-alkyl, cyclohexyl, C1- to C4-alkoxy, benzyl, benzoyloxy, trifluoromethyl, alkoxycarbonyl, alkoxyalkoxycarbonyl altogether having 4 to 9 C atoms or substituted phenyl or phenoxy, n represents 0, 1, 2 or 3, Hal represents chlorine or bromine and m represents 1 or 2. In the dyeing or printing of cellulose swollen with water-miscible swelling agents or cellulose-containing fibre material, the dyes give blue to greenish-blue dyeings and prints having very good fastnesses.
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