Method for producing highly purified, tris-and bis-ortho-metallated organometallic compounds

US7737276B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Ingrid Bach · Hofheim, DE
• Philipp Stössel · Frankfurt, DE

Key dates

• Filing date: May 29, 2004
• Grant date: Jun 15, 2010
• Expiry date: Feb 16, 2026

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F15/0033
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for preparing highly pure tris-ortho-metalated organometallic compounds and to pure organometallic compounds of this type, especially compounds of the d8 metals, which may find use as coloring components in the near future as active components (=functional materials) in a series of different types of applications which can be classified within the electronics industry in the widest sense.