| abstract |
PCT No. PCT/EP96/00118 Sec. 371 Date Jul. 21, 1997 Sec. 102(e) Date Jul. 21, 1997 PCT Filed Jan. 12, 1996 PCT Pub. No. WO96/22332 PCT Pub. Date Jul. 25, 1996Quaterrylenetetracarboxylic diimides I where R is hydrogen; C1-C30-alkyl whose carbon chain may be interrupted by one or more of -O-, -S-, -NR1-, -CO- and/or -SO2- and which may be monosubstituted or polysubstituted by cyano, C1-C6-alkoxy or a 5-, 6- or 7-membered heterocyclic radical which is attached via a nitrogen atom and which may contain further heteroatoms and may be aromatic, where R1 is hydrogen or C1-C6-alkyl; C5-C8-cycloalkyl whose carbon skeleton may be interrupted by one or more of -O-, -S- and/or -NR1-; aryl or hetaryl, which may each be monosubstituted or poly-substituted by C1-C18-alkyl, C1-C6-alkoxy, cyano, -CONHR2, -NHCOR2 and/or aryl- or hetaryl-azo, which may each be substituted by C1-C10-alkyl, C1-C6-alkoxy or cyano, where R2 is hydrogen; C1-C18-alkyl; aryl or hetaryl, which may each be substituted by C1-C6-alkyl, C1-C6-alkoxy, halogen or cyano; X is halogen; C1-C18-alkyl; aryloxy, arylthio, hetaryloxy or hetarylthio, which may each be substituted by C1-C4-alkyl or C1-C4-alkoxy; n is from 2 to 12, their preparation and use as pigments or fluorescent dyes. |