Hetero-polycyclic aromatic compounds
Compounds of the general formula: wherein Z and Z are each independently -O-, -S- or -NR - in which R is hydrogen, an optionally substituted hydrocarbon group or an acyl group; X and X are selected from hydrogen, halogen, cyano, C1-4 alkyl, C1-4 alkoxy, aryl, carbamoyl, sulphamoyl, carboxy or carbox...
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Sprache: | eng ; fre ; ger |
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Zusammenfassung: | Compounds of the general formula: wherein Z and Z are each independently -O-, -S- or -NR - in which R is hydrogen, an optionally substituted hydrocarbon group or an acyl group; X and X are selected from hydrogen, halogen, cyano, C1-4 alkyl, C1-4 alkoxy, aryl, carbamoyl, sulphamoyl, carboxy or carboxylic acid ester; R is an optionally substituted aryl radical; A is an optionally substituted alkyl radical or a radical of the formula: R - (CH = CH)n - in which R is an optionally substituted aryl or heterocyclic radical, and n has a value of 1 or 2. The compounds are useful as dyes for synthetic textile materials. |
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