Organic electroluminescent device comprising at least one semiconductive layer comprising a compound of formula wherein R 1, R 3 and R 7 are independently selected from a group consisting of H, D, C 1 -C 16 alkyl and C 1 -C 16 alkoxy; R 2, R 4, R 5 and R 6 are independently selected from a group consisting of H, D, C 1 -C 16 alkyl, C 1 -C 16 alkoxy and C 6 -C 20 aryl; Ar 1 is selected from substituted or unsubstituted C 6 -C 20 aryl, wherein, in case that Ar 1 is substituted, the substituents are independently selected from a group consisting of D, C 1 -C 12 alkyl, C 1 -C 16 alkoxy and C 6 -C 20 aryl; and Ar 2 is selected from a group consisting of H, D, substituted or unsubstituted C 6 -C 40 aryl and groups of the following formulas (IIa) to (IIh), wherein * marks the position in the respective Ar 2 group for binding the Ar 2 to the Ar 1 group, wherein in case that Ar 2 is substituted, the substituents are independently selected from a group consisting of D, halide, C 1 -C 16 alkyl, C 1 -C 16 alkoxy, and C 6 -C 20 aryl, preferably naphthyl, 9-fluorenyl, 2-fluorenyl, 3-fluorenyl and 4-fluorenyl, wherein the C 6 -C 10 aryl may be unsubstituted or substituted with C 1 -C 16 alkyl, C 1 -C 16 heteroalkyl and C 6 -C 40 aryl; wherein Ar 1 and Ar 2 may be further linked via a methylene (-CR 8 R 9 -) or an oxy (-O-) moiety to form a fluorene or dibenzofuran structure, wherein R 8 and R 9 may be independently selected from H, C 1 -C 16 alkyl and C 1 -C 16 alkoxy and C 6 -C 20 aryl; wherein the organic electroluminescent device further comprising an emission layer and a cathode, wherein the semiconductive layer comprising the compound of formula is arranged between the emission layer and the cathode electrode. wherein R 1, R 3 and R 7 are independently selected from a group consisting of H, D, C 1 -C 16 alkyl and C 1 -C 16 alkoxy; R 2, R 4, R 5 and R 6 are independently selected from a group consisting of H, D, C 1 -C 16 alkyl, C 1 -C 16 alkoxy and C 6 -C 20 aryl; Ar 1 is selected from substituted or unsubstituted C 6 -C 20 aryl, wherein, in case that Ar 1 is substituted, the substituents are independently selected from a group consisting of D, C 1 -C 12 alkyl, C 1 -C 16 alkoxy and C 6 -C 20 aryl; and Ar 2 is selected from a group consisting of H, D, substituted or unsubstituted C 6 -C 40 aryl and groups of the following formulas (IIa) to (IIh), wherein * marks the position in the respective Ar 2 group for binding the Ar 2 to the Ar 1 group, wherein in case that Ar 2 is substituted, the substituents are independently selected from a group consisting of D, halide, C 1 -C 16 alkyl, C 1 -C 16 alkoxy, and C 6 -C 20 aryl, preferably naphthyl, 9-fluorenyl, 2-fluorenyl, 3-fluorenyl and 4-fluorenyl, wherein the C 6 -C 10 aryl may be unsubstituted or substituted with C 1 -C 16 alkyl, C 1 -C 16 heteroalkyl and C 6 -C 40 aryl; wherein Ar 1 and Ar 2 may be further linked via a methylene (-CR 8 R 9 -) or an oxy (-O-) moiety to form a fluorene or dibenzofuran structure, wherein R 8 and R 9 may be independently selected from H, C 1 -C 16 alkyl and C 1 -C 16 alkoxy and C 6 -C 20 aryl; wherein the organic electroluminescent device further comprising an emission layer and a cathode, wherein the semiconductive layer comprising the compound of formula is arranged between the emission layer and the cathode electrode.