Patent ID: 8614357
Filing Date: 2013-12-24
Classification: C07C,C09B,C09K,H01L,H05B,Y02E,Y10S

Abstract:
1. Spirobifluorene (SBF) derivatives having the following formula: SBF-X wherein: with m=0, 1, 2 or 3; p=positive integer, with (p+1) being the valency of K; n=1; L: is the same or different and independently represents C or PR; Y: is the same or different and independently represents O, S, Se or Te; K: is the same or different and independently represents a chemical bond or a group selected from alkane, alkene, alkyne, aromatic or R substituted aromatic, heteroaromatic or R substituted heteroaromatic or a monocyclic or polycyclic hydrocarbon group; SBF: spiro-compound of formula (I): A, B, C and D: are the same or different and independently represents H, deuterium, F, Cl, Br, I, CN, a linear, branched or cyclic alkyl, alkoxy or thioalkoxy chain with 1 to 40 carbon atoms, which is optionally substituted by R R is the same or different and independently represents H, deuterium, F, Cl, Br, I, CN, a linear, branched or cyclic alkyl chain with 1 to 40 carbon atoms, or an aromatic or heteroaromatic ring system with 5 to 40 aromatic ring atoms, which is optionally substituted by deuterium, F, Cl, Br, I, CN or one or more substituents R R wherein L, A, B, C and D have the same meaning as above and Ar is the same or different from one another and independently represents a bivalent aromatic or heteroaromatic ring system with 2 to 40 carbon atoms, wherein one or more hydrogen atoms is optionally replaced by F, Cl, Br or I and which is optionally substituted by one or more non-aromatic substituents R; two or more substituents R, A, B, C or D on the same ring as well as on different rings, optionally forms a further monocyclic or polycyclic aliphatic or aromatic ring system with each other.