Process for preparing ortho-metallated metal compounds
AssigneeMerck Patent GmbH
InventorsPhilipp Stoessel, Tobias Brueckl, Verena Buback
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Abstract
The present invention describes a process for producing tris-orthometalated metal compounds which can be used as coloring components as functional materials in a number of diverse applications that can be broadly attributed to the electronics industry.
Claims18
1-15. (canceled)
A process for preparing a tris-cyclometalated iridium complex comprising reacting an iridium compound with a bidentate ligand or with a hexadentate tripodal ligand, wherein the hexadentate tripodal ligand comprises three bidentate sub-ligands, wherein the bidentate ligand or the bidentate sub-ligands coordinate to the iridium via cyclometalation, wherein the process is carried out in an aqueous medium and in the presence of a surfactant.
Dependencies are inferred from the claim text.