Patent ID: 11939339
Assignee: MERCK PATENT GMBH
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  H  Y | IPC C  H

Claim 4:
5. Compound according to claim 1, wherein Ar5 and Ar6 are selected, identically or differently, from the group consisting of the groups of formulae (Ar5-1) to (Ar5-26),, , where the dashed bonds indicate the bonding to the adjacent groups depicted in formula (1), where the groups of formulae (Ar5-1) to (Ar5-26) may be substituted at each free position by a group R3, which has the same meaning as in claim 1 and where E1 is selected from —B(R0-), —C(R0)2—, —C(R0)2—C(R0)2—, —Si(R0)2, —C(═O)—, —C(═NR0)—, —C═(C(R0))2—, —O—, —S—, —S(═O)—, —SO2—, —N(R0)—, —P(R0)— and —P((═O)R0—, where the substituent R0 has the same meaning as in claim 1.