| abstract |
Perylene derivatives of the general formula I DOLLAR F1 in which the variables have the following meaning: DOLLAR A X and Y independently of one another oxygen, -NR · 1 · or -NR · 2 ·; DOLLAR AR · 1 · and R · 2 · independently of one another hydrogen, C¶1¶-C¶18¶-alkyl, C¶5¶-C¶7¶-cycloalkyl, aryl or C¶1¶-C¶6¶- Alkoxy; DOLLAR AR · 3 · to R · 10 · independently of one another hydrogen, hydroxy or aryl, where radicals bonded to a carbon atom can also mean = O or = CHR · 11 ·, DOLLAR AR · 11 · hydrogen or C¶1¶-C ¶3¶-alkyl, DOLLAR A with the proviso that the perylene derivative I contains at least one to a maximum of three carbonyl groups per molecule. |