| 摘要 |
Water-soluble monoazo compounds corresponding to the following general formula (1) which have valuable fiber-reactive dyestuff properties and which dye materials, in particular cellulose fibers, containing carboxamide and/or hydroxy groups in fast, yellow shades. <IMAGE> (1) in which the symbols have the following meanings: D is a benzene ring or a radical of the formula <IMAGE> R1 and R3, independently of one another, are both hydrogen, methyl, ethyl, methoxy, ethoxy, chlorine, bromine, carboxy or sulfo, R2 and R4, independently of one another, are each hydrogen, methyl, ethyl, methoxy, ethoxy, chlorine or bromine, R is carboxy or lower carboalkoxy, and X and Y, independently of one another, are each beta -thiosulfatoethyl or beta -sulfatoethyl or vinyl, but, in the event that x and/or Y is vinyl, the radicals R1 and/or R2 are necessarily sulfo.
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