Patent ID: 11917903
Assignee: UDC IRELAND LIMITED
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 10:
11. The compound according to claim 1, characterized in that one or both of sub-ligands L1 and/or sub-ligand L2 are the same or different at each instance and are selected from the structures of the formulae (L-1), (L-2) and (L-3), , where the dotted bond represents the bond of the sub-ligand L1 to V1 or the bond of the sub-ligand L2 to V2 and the other symbols are as follows:
CyC is the same or different at each instance and is a substituted or unsubstituted aryl or heteroaryl group which has 5 to 14 aromatic ring atoms and coordinates to M via a carbon atom and is bonded to CyD via a covalent bond;
CyD is the same or different at each instance and is a substituted or unsubstituted heteroaryl group which has 5 to 14 aromatic ring atoms and coordinates to M via a nitrogen atom or via a carbene carbon atom and is bonded to CyC via a covalent bond;, at the same time, two or more of the optional substituents together may form a ring system.