| 主权项 |
1. A compound of the formula (1) where the following applies to the symbols used: Ar is selected from phenyl, 2- phenanthrenyl, 3- phenanthrenyl, 9-phenanthrenyl, para-phenylene-1-naphthyl, para-phenylene-2-naphthyl, 2-fluorenyl or 2-spirobifluorenyl, which is optionally substituted by one or more radicals R1, or the Ar group is selected from the formulae (8), (9), (10) and (11): Ar2 is an aryl or heteroaryl group having 5 to 16 aromatic ring atoms which is optionally substituted by one or more radicals R1; q is 1; R1 is, identically or differently on each occurrence, H, D, F, Cl, Br, I, CHO, N(Ar1)2, C(═O)Ar1, P(Ar1)2, P(═O)(Ar1)2, S(═O)Ar1, S(═O)2Ar1, CR3=CR3Ar1, CN, NO2, Si(R3)3, B(OAr1)2, B(OR3)2, OSO2R3, OH, a straight-chain alkyl, alkoxy or thioalkoxy group having 1 to 40 C atoms or a branched or cyclic alkyl, alkoxy or thioalkoxy group having 3 to 40 C atoms, which is optionally substituted by one or more radicals R3, where one or more non-adjacent CH2 groups is optionally replaced by R3C═CR3, C≡C, Si(R3)2, Ge(R3)2, Sn(R3)2, C═O, C═S, C═Se, C═NR3, P(═O)(R3), SO, SO2, NR3, O, S or CONR3 and where one or more H atoms is optionally replaced by F, Cl, Br, I, CN or NO2, or an aromatic or heteroaromatic ring system having 5 to 60 aromatic ring atoms, which are each optionally substituted by one or more non-aromatic radicals R1, or an aryloxy or heteroaryloxy group having 5 to 60 aromatic ring atoms, which is optionally substituted by one or more non-aromatic radicals R1; R2 is, identically or differently on each occurrence, R1; Ar1 is, identically or differently on each occurrence, an aromatic or heteroaromatic ring system having 5 to 30 aromatic ring atoms, which is optionally substituted by one or more non-aromatic radicals R3; two radicals Ar1 which are bonded to the same nitrogen or phosphorus atom may optionally be linked to one another by a single bond or a bridge selected from B(R3), C(R3)2, Si(R3)2, C═O, C═NR3, C═C(R3)2, O, S, S═O, SO2, N(R3), P(R3) and P(═O)R3; R3 is on each occurrence, identically or differently, H or an aliphatic, aromatic and/or heteroaromatic hydrocarbon radical having 1 to 20 C atoms, in which, in addition, one or more H atoms is optionally replaced by F;with the provisos that R2 in positions 2, 3, 6, and 7 of anthracene is not N(Ar1)2 or an aromatic or heteroaromatic ring system having 5 to 60 aromatic ring atoms and Ar is not ortho-biphenyl, meta-biphenyl, or para-biphenyl. |
