Patent ID: 11932659
Assignee: UDC IRELAND LIMITED
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  H  Y | IPC C  H

Claim 2:
3. The compound of claim 1, wherein the bidentate sub-ligands are the same or different in each instance and are selected from the group consisting of structures formulae (L-1), (L-2), and (L-3):, wherein
the dotted lines denotes the bond of the sub-ligand to the bridge of formulae (3) or (4);
CyC is the same or different in each instance and is a substituted or unsubstituted aryl or heteroaryl group which has 5 to 14 aromatic ring atoms, each of which coordinates to the metal via a carbon atom and which is bonded in each case to CyD via a covalent bond;
CyD is the same or different in each instance and is a substituted or unsubstituted heteroaryl group which has 5 to 14 aromatic ring atoms and coordinates to the metal via a nitrogen atom or via a carbene carbon atom and which is bonded to CyC via a covalent bond; and
wherein two or more of the optional substituents together optionally define a ring system.