| 摘要 |
The present invention relates to a compound of formula (I) wherein R<SUB>1 </SUB>is a radical of formula (II) R<SUB>2 </SUB>is -NH<SUB>2 </SUB>or a radical of formula (II), R<SUB>3 </SUB>and R<SUB>4 </SUB>are each independently of the other hydrogen, hydroxy, -NH<SUB>2 </SUB>or a radical of formula (II), R<SUB>5 </SUB>is hydrogen, halogen or -X-(CH<SUB>2</SUB>)<SUB>n</SUB>-Y, wherein X is a direct bond, -O- or -S-, Y is -OH or -OSO<SUB>3</SUB>H and n is a number from 0 to 6, with the proviso that at least one of the radicals R<SUB>3</SUB>, R<SUB>4 </SUB>and R<SUB>5 </SUB>is not hydrogen, to a process for the preparation thereof and to the use thereof in a method of producing mass-coloured plastics or polymeric colour particles.
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