| 摘要 |
Compounds of the formula I <IMAGE> (I) <IMAGE> in which R is a radical of the formula -OR5 or -NHR5, A is a radical of the formula II or III <IMAGE> (II) <IMAGE> (III) in which B is a radical of the formula <IMAGE> in which n is the number 1 or 2, R1 and R3 independently of one another are -H or Cl, R2 and R4 independently of one another are -H, halogen, -NO2, -CN, C1-C4alkyl, C1-C4alkoxy, -CF3, C2-C5alkoxycarbonyl, or -CONH-phenyl, -NHCO-phenyl or phenyloxy which is unsubstituted or substituted on the phenyl nucleus by one or two chlorine atoms or one or two methyl, methoxy or ethoxy groups, R5 is alkyl having at least 10 C atoms, R6 and R7 independently of one another are -H, halogen, -NO2, -CN, -CF3, C1-C4alkyl or C1-C4alkoxy, R8 is -H, -Cl, -Br, -CH3 or -OCH3 and X is -H, -Br, -OCH3, -CN or -NO2, are particularly suitable as pigments for coloring polyolefins.
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