| abstract |
(57) [Summary] The present invention relates to a compound of the formula (I) Wherein the symbols have the following meanings: K 1 , K 2 and K 3 are the same or different and are optionally monocyclic or polycyclic containing heteroatoms, preferably N, S, O X and Y are the same or different and represent CR 1 , N, P, As or SiR 2 ; various R 1 are the same or different; H; halogen; pseudohalogen; or, if desired, Further, heteroatoms, preferably, O -, - N-, and / or -S- to a hydrocarbon group having 1 to 30 carbon atoms containing; various R 2 is preferably, O- , -N-, and / or -S- containing a hydrocarbon group having 1 to 30 carbon atoms. ] Corresponding to the triptycene derivative. The derivatives can be used in electroluminescent devices. |