| 主权项 |
1. A compound of the formula (2) and (5), where the following applies to the symbols used: R is on each occurrence, identically, H, D, F, Cl, Br, I, CHO, N(R1)2, N(Ar)2, C(═O)R1, C(═O)Ar, P(═O)(R1)2, F(═O)(Ar)2, S(═O)Ar, S(═O)2Ar, CR1═CR1Ar, CN, NO2, Si(R1)3, B(OR1)2, B(R1)2, B(Ar)2, B(N(R1)2)2, P(R1)2, OSO2R1, COOH, COOR1, a straight-chain alkyl, alkoxy or thioalkoxy group having 1 to 40 C atoms or a straight-chain alkenyl or alkynyl group having 2 to 40 C atoms or a branched or cyclic alkyl, alkenyl, alkynyl, alkoxy or thioalkoxy group having 3 to 40 C atoms, each of which is optionally substituted by one or more radicals R1, where one or more non-adjacent CH2 groups is optionally replaced by R1C═CR1, C≡C, Si(R1)2, Ge(R1)2, Sn(R1)2, C═O, C═S, C═Se, C═NR1, P(═O)(R1), SO, SO2, NR1, O, S or CONR1 and where one or more H atoms is optionally replaced by D, F, Cl, Br, I, CN or NO2, or an aromatic or heteroaromatic ring system having 5 to 60 aromatic ring atoms, which may in each case be substituted by one or more radicals R1, or an aryloxy or heteroaryloxy group having 5 to 60 aromatic ring atoms, which may in each case be substituted by one or more radicals R1, or a combination of these systems; two adjacent radicals R here may in each case form a mono- or polycyclic, aliphatic, aromatic or heteroaromatic ring system with one another; R1 is on each occurrence, identically or differently, H, D, F, Cl, Br, I, CHO, N(R2)2, N(Ar)2, C(═O)Ar, P(═O)(Ar)2, S(═O)Ar, S(═O)2Ar, CR2═CR2Ar, CN, NO2, Si(R2)3, B(OR2)2, B(R2)2, B(N(R2)2)2, OSO2R2, a straight-chain alkyl, alkoxy or thioalkoxy group having 1 to 40 C atoms or a straight-chain alkenyl or alkynyl group having 2 to 40 C atoms or a branched or cyclic alkyl, alkenyl, alkynyl, alkoxy or thioalkoxy group having 3 to 40 C atoms, each of which is optionally substituted by one or more radicals R2, where one or more non-adjacent CH2 groups is optionally replaced by R2C═CR2, C≡C, Si(R2)2, Ge(R2)2, Sn(R2)2, C═O, C═S, C═Se, C═NR2, P(═O)(R2), SO, SO2, NR2, O, S or CONR2 and where one or more H atoms is optionally replaced by D, F, Cl, Br, I, CN or NO2, or an aromatic or heteroaromatic ring system having 5 to 60 aromatic ring atoms, which may in each case be substituted by one or more radicals R2, or an aryloxy or heteroaryloxy group having 5 to 60 aromatic ring atoms, which is optionally substituted by one or more radicals R2, or a combination of these systems; Ar is on each occurrence, identically or differently, an aromatic or heteroaromatic ring system having 5 to 30 aromatic ring atoms, which is optionally substituted by one or more non-aromatic radicals R1; two radicals Ar which are bonded to the same nitrogen or phosphorus atom may also be linked to one another here by a single bond or a bridge selected from the group consisting of B(R2), C(R2)2, Si(R2)2, C═O, C═NR2, C═C(R2)2, O, S, S═O, SO2, N(R2), P(R2) and P(═O)R2; R2 is on each occurrence, identically or differently, H, D or an aliphatic, aromatic and/or heteroaromatic hydrocarbon radical having 1 to 20 C atoms, in which, in addition, H atoms is optionally replaced by F; two or more adjacent substituents R2 here may also form a mono- or polycyclic, aliphatic or aromatic ring system with one another. |
