Materials for electronic devices

1. A compound of formula (I-1-1):

wherein

Ar 1 is an anthracene, which is optionally substituted by one or more radicals R 2 , wherein the group Ar 1 is present at a position on the benzanthracene in formula (I-1-1) selected from the group consisting of positions 4 and 5, as depicted below:

R 0 is a straight-chain alkyl group having 1 to 20 C atoms or a branched alkyl group having 3 to 20 C atoms, wherein said groups are each optionally substituted by one or more radicals R 3 ;

R 2 is on each occurrence, identically or differently, H, D, F, a straight-chain alkyl or alkoxy group having 1 to 20 C atoms, a branched or cyclic alkyl or alkoxy group having 3 to 20 C atoms, wherein said groups are optionally substituted by one or more radicals R 3 an aromatic ring system having 6 to 40 aromatic ring atoms, which is optionally substituted by one or more radicals R 3 , or a heteroaromatic ring system having 5 to 40 aromatic ring atoms, which is optionally substituted by one or more radicals R 3 ; and

R 3 is on each occurrence, identically or differently, H, D or F.

2. The compound of claim 1 , wherein R 0 is selected from the group consisting of straight-chain alkyl groups having 1 to 10 C atoms or branched alkyl groups having 3 to 10 C atoms, wherein said groups are each optionally substituted by one or more radicals R 3 .

3. A process for preparing a compound of claim 1 , comprising:

A) steps 1) through 3) in the following sequence:

1) preparing a benzanthracene compound substituted by one or more aromatic or heteroaromatic ring systems via a coupling reaction between a benzanthracene derivative and an aromatic or heteroaromatic ring system;

2) halogenating the benzanthracene;

3) introducing a substituent into the halogenated position; or comprising

B) steps I) and II) in the following sequence:

I) preparing a substituted benzanthracene derivative from a naphthyl derivative and a phthalic anhydride;

II) coupling the substituted benzanthracene derivative with an aromatic or heteroaromatic ring system.

4. The process of claim 3 , wherein the halogenation is bromination.

5. An oligomer, polymer, or dendrimer comprising one or more compounds of claim 1 , wherein the bond(s) to the polymer, oligomer, or dendrimer are optionally localised at any positions in formula (I-1-1) substituted by R 0 , R 2 or R 3 .

6. A formulation comprising at least one compound of claim 1 , and at least one solvent.

7. A formulation comprising at least one oligomer, polymer, or dendrimer of claim 5 and at least one solvent.

8. An electronic device comprising at least one compound of claim 1 .

9. The electronic device of claim 8 , wherein the electronic device is selected from the group consisting of organic integrated circuits, organic field-effect transistors, organic thin-film transistors, organic light-emitting transistors, organic solar cells, organic optical detectors, organic photoreceptors, organic field-quench devices, organic light-emitting electrochemical cells, organic laser diodes, and organic electroluminescent devices.

10. An electronic device comprising the least one oligomer, polymer, or dendrimer of claim 5 .

11. The electronic device of claim 10 , wherein the electronic device is selected from the group consisting of organic integrated circuits, organic field-effect transistors, organic thin-film transistors, organic light-emitting transistors, organic solar cells, organic optical detectors, organic photoreceptors, organic field-quench devices, organic light-emitting electrochemical cells, organic laser diodes, and organic electroluminescent devices.

12. The electronic device of claim 9 , wherein the electronic device is an organic electroluminescent device comprising an anode, a cathode, an emitting layer, and optionally further organic layers, wherein the at least one compound is present in the emitting layer as a matrix compound in combination with one or more emitter compounds.

13. The electronic device of claim 11 , wherein the electronic device is an organic electroluminescent device comprising an anode, a cathode, an emitting layer, and optionally further organic layers, wherein the at least one oligomer, polymer, or dendrimer is present in the emitting layer as a matrix compound in combination with one or more emitter compounds.