| 主权项 |
1. A compound of the formula (1), formula (2), formula (3) or formula (4):wherein the compound of the formula (1) is selected from compounds of the following formulae (11a) to (31b): where the following applies to the symbols and indices used: A is on each occurrence, identically or differently, CR or N; W is C if a group Y is bonded to this group W and is CR or N if no group Y is bonded to this group W; with the proviso that at least one symbol A and/or at least one symbol W stands for N; X is on each occurrence, identically or differently, N, P or P═O; Y is C(R1)2;wherein one or two R groups are selected from structures of the following formulae (32) to (67): and the other R groups stand for H or D; Z is on each occurrence, identically or differently, CR2 or N, with the proviso that one group Z, two groups Z or three groups Z stand for N; Ar1 is, identically or differently on each occurrence, a divalent aryl or heteroaryl group having 5 to 16 C atoms, which may be substituted by one or more radicals R2; m is on each occurrence, identically or differently, 0, 1, 2 or 3, E is selected from the group consisting of C(R2)2, NR2, O or S; G is selected from the group consisting of NR2, O or S; R1 are on each occurrence, identically or differently, H, D, F, Cl, Br, I, CN, NO2, N(Ar)2, N(R2)2, C(═O)Ar, C(═O)R1, P(═O)(Ar)2, a straight-chain alkyl, alkoxy or thioalkyl group having 1 to 40 C atoms or a branched or cyclic alkyl, alkoxy or thioalkyl group having 3 to 40 C atoms or an alkenyl or alkynyl group having 2 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, an aromatic or heteroaromatic ring system having 5 to 80 aromatic ring atoms, which may in each case be substituted by one or more radicals R2, an aryloxy or heteroaryloxy group having 5 to 60 aromatic ring atoms, which is optionally substituted by one or more radicals R2, or an aralkyl or heteroaralkyl group having 5 to 60 aromatic ring atoms, which is optionally substituted by one or more radicals R2, where two or more adjacent substituents R or two substituents R1 which are bonded in the same group Y may optionally form a mono- or polycyclic, aliphatic, aromatic or heteroaromatic ring system, which is optionally substituted by one or more radicals R2, with one another; R2 is selected on each occurrence, identically or differently, from the group consisting of H, D, F, Cl, Br, I, CN, NO2, N(Ar)2, N(R3)2, C(═O)Ar, C(═O)R3, P(═O)(Ar)2, a straight-chain alkyl, alkoxy or thioalkyl group having 1 to 40 C atoms or a branched or cyclic alkyl, alkoxy or thioalkyl group having 3 to 40 C atoms or an alkenyl or alkynyl group having 2 to 40 C atoms, each of 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 D, F, Cl, Br, 1, CN or NO2, 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 R3, an aryloxy or heteroaryloxy group having 5 to 60 aromatic ring atoms, which is optionally substituted by one or more radicals R3, or an aralkyl or heteroaralkyl group having 5 to 60 aromatic ring atoms, where two or more adjacent substituents R2 may optionally form a monocyclic or polycyclic, aliphatic, aromatic or heteroaromatic ring system, which is optionally substituted by one or more radicals R3; R3 is selected from the group consisting of H, D, F, CN, an aliphatic hydrocarbon radical having 1 to 20 C atoms, an aromatic or heteroaromatic ring system having 5 to 30 aromatic ring atoms, in which one or more H atoms is optionally replaced by D, F, Cl, Br, I or CN, where two or more adjacent substituents R3 may form a mono- or polycyclic, aliphatic, aromatic or heteroaromatic ring system with one another; Ar is on each occurrence, identically or differently, an aromatic or heteroaromatic ring system having 5-30 aromatic ring atoms, which is optionally substituted by one or more non-aromatic radicals R3; two radicals Ar here which are bonded to the same N atom or P atom may also be bridged to one another by a single bond or a bridge selected from N(R3), C(R3)2, O or S; L is a di-, tri-, tetra-, penta- or hexavalent straight-chain alkylene, alkylidene, alkyleneoxy or thioalkyleneoxy group having 1 to 40 C atoms or a branched or cyclic alkylene, alkylidene, alkyleneoxy or thioalkyleneoxy group having 3 to 40 C atoms or an alkenylene or alkynylene group having 2 to 40 C atoms, each of which may be 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, S═O, SO2, —O—, —S— or —CONR2— and where one or more H atoms is optionally replaced by D, F, Cl, Br, I, CN or NO2, or a di-, tri-, tetra-, penta- or hexavalent aromatic or heteroaromatic ring system having 5 to 80 aromatic ring atoms, which is optionally substituted by one or more radicals R2, or P(R2)3-p, P(═O)(R2)3-p, C(R2)4-p, Si(R2)4-p, N(Ar)3-p, or a combination of two, three, four or five of these systems; or L is a chemical bond; n is on each occurrence, identically or differently, 0 or 1; and p is 2, 3, 4, 5 or 6, with the proviso that p is not greater than the maximum valence of L. |
