Search International and National Patent Collections

1. (WO2018084189) METHOD FOR PRODUCING IRIDIUM COMPLEX, IRIDIUM COMPLEX, AND LIGHT-EMITTING MATERIAL COMPRISING SAID COMPOUND

Pub. No.:    WO/2018/084189    International Application No.:    PCT/JP2017/039582
Publication Date: Sat May 12 01:59:59 CEST 2018 International Filing Date: Thu Nov 02 00:59:59 CET 2017
IPC: C07F 15/00
C09K 11/06
H01L 51/50
C07B 61/00
Applicants: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
国立研究開発法人産業技術総合研究所
Inventors: KONNO Hideo
今野 英雄
Title: METHOD FOR PRODUCING IRIDIUM COMPLEX, IRIDIUM COMPLEX, AND LIGHT-EMITTING MATERIAL COMPRISING SAID COMPOUND
Abstract:
Provided are: a novel method for producing a triscyclometalated iridium complex having three different aromatic heterocyclic ligands which is a complex that has been difficult to be synthesized so far; and a novel iridium complex which is produced by employing the production method, has high solubility in solvents and excellent processability, and can emit light at room temperature with high brightness and with high efficiency. A method for producing a triscyclometalated iridium complex having three aromatic heterocyclic ligands capable of forming an iridium-nitrogen bond and an iridium-carbon bond, wherein the structures of the aromatic heterocyclic ligands are different from one another, said method being characterized by comprising, in the following order, the steps of: (1) reacting a triscyclometalated iridium complex, which has two different aromatic heterocyclic ligands respectively capable of forming an iridium-nitrogen bond and an iridium-carbon bond, with a halogenating agent to introduce a halogen atom into the triscyclometalated iridium complex; (2) converting the halogen atom in the triscyclometalated iridium complex produced in step (1) to a boronic acid ester; and (3) subjecting the triscyclometalated iridium complex produced in step (2) and an organic halogen compound to a cross-coupling reaction to form a carbon-carbon bond.