Compounds with arylamine structures

A compound containing at least one structure of the formula (I),

• where the following applies to the symbols used:
• is 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;
• Z1, Z2, Z3, Z4 are X or C;
• Y1 is BR1, Si(R1)2, NR1, O, S, S═O or S(═O)2;
• Y2, Y3 are on each occurrence, identically or differently, BR1, Si(R1)2, C(R1)2, NR1, O, S, S═O or S(═O)2;
• X is on each occurrence, identically or differently, N or CR1, preferably CR1, or C if a radical Ara is bonded to X;
• X1 is on each occurrence, identically or differently, N or CR1;
• m, n, o, p are 0 or 1;
• Ara 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 radicals R1, where the radical Ara does not contain a carbazole group or form a carbazole group with the aryl or heteroaryl group to which Ara is bonded, including substituents R1, R2 and R3 which is optionally bonded to the radical Ara;
• Arb is an aromatic or heteroaromatic ring system having 5 to 45 aromatic ring atoms, which is optionally substituted by one or more radicals R1;
• R1 is on each occurrence, identically or differently, H, D, F, Cl, Br, I, CN, NO2, N(Ar1)2, N(R2)2, C(═O)Ar1, C(═O)R2, P(═O)(Ar1)2, P(Ar1)2, B(Ar1)2, Si(Ar1)3, Si(R2)3, 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 or an alkenyl group having 2 to 40 C atoms, which may in each case 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, C═O, C═S, C═NR2, —C(═O)O—, —C(═O)NR2—, NR2, P(50 O)(R2), —O—, —S—, SO or SO2 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 40 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 40 aromatic ring atoms, which is optionally substituted by one or more radicals R2, or an aralkyl or heteroaralkyl group having 5 to 40 aromatic ring atoms, which is optionally substituted by one or more radicals R2, or a combination of these systems;
• two or more substituents R1 may also form a mono- or polycyclic, aliphatic or aromatic ring system with one another;
• Ar1 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 R2;
• two radicals Ar1 which are bonded to the same Si atom, N atom, P atom or B atom may also be bridged to one another by a single bond or a bridge selected from 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, F, Cl, Br, I, CN, B(OR3)2, NO2, C(═O)R3, CR3═C(R3)2, C(═O)OR3, C(═O)N(R3)2, Si(R3)3, P(R3)2, B(R3)2, N(R3)2, NO2, P(═O)(R3)2, OSO2R3, OR3, S(═O)R3, S(═O)2R3, a straight-chain alkyl, alkoxy or thio-alkoxy group having 1 to 40 C atoms or a branched or cyclic alkyl, alkoxy or thioalkoxy group having 3 to 40 C atoms, which may in each case be 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, C═O, C═S, C═NR3, —C(═O)O—, —C(═O)NR3—, NR3, P(═O)(R3), —O—, —S—, SO or SO2 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 40 aromatic ring atoms, which may in each case be substituted by one or more radicals R3, or an aryloxy or heteroaryloxy group having 5 to 40 aromatic ring atoms, which is optionally substituted by one or more radicals R3, or a combination of these systems;
• two or more substituents R2 may also form a mono- or polycyclic, aliphatic or aromatic ring system with one another;
• R3 is selected on each occurrence, identically or differently, from the group consisting of H, D, F, CN, an aliphatic hydrocarbon radical having 1 to 20 C atoms or 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 and which is optionally substituted by one or more alkyl groups, each having 1 to 4 carbon atoms;
• two or more substituents R3 may form a mono- or polycyclic, aliphatic ring system with one another;
• with the proviso that at least two groups X1 in formula (I) stand for N, where, in the case where p=1, Z1, Z2 represent C and, in the case where n=1, Z3 represents C, and, in the case where o=1, Z4 represents C, and
• with the proviso that compounds of the formula (A)
• are excluded, where the symbols X, Arb and R1 used have the meaning given above and k is 0 or 1.