Isoindoline pigments

Novel isoindoline pigments of the formula (I) (I) in which R1 is -CN and R2 is CN or a 5- to 7-membered hetero-cycle; R3 is hydrogen, C1-C4-alkyl, phenyl, C1-C4-alkoxy, halogen or C2-C4-acylamino; R4 is hydrogen, C1-C4-alkyl, halogen, trifluoromethyl, methoxy, ethoxy or nitro; m is a number from 1 t...

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Bibliographische Detailangaben
Hauptverfasser: DIETZ, ERWIN, ALFTER, FRANK, SCHIESSLER, SIEGFRIED, KAPAUN, GUSTAV
Format: Patent
Sprache:eng
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Zusammenfassung:Novel isoindoline pigments of the formula (I) (I) in which R1 is -CN and R2 is CN or a 5- to 7-membered hetero-cycle; R3 is hydrogen, C1-C4-alkyl, phenyl, C1-C4-alkoxy, halogen or C2-C4-acylamino; R4 is hydrogen, C1-C4-alkyl, halogen, trifluoromethyl, methoxy, ethoxy or nitro; m is a number from 1 to 4; n is a number from 1 to 3; and R5 is hydrogen or C1-C4-alkyl. Novel isoindoline pigments of the formula (I) (I) in which R1 is -CN and R2 is CN or a 5- to 7-membered hetero-cycle; R3 is hydrogen, C1-C4-alkyl, phenyl, C1-C4-alkoxy, halogen or C2-C4-acylamino; R4 is hydrogen, C1-C4-alkyl, halogen, trifluoromethyl, methoxy, ethoxy or nitro; m is a number from 1 to 4; n is a number from 1 to 3; and R5 is hydrogen or C1-C4-alkyl.