US 12,247,040 B2
Iridium complex compound
Kazuhiro Nagayama, Tokyo (JP); and Hideji Komatsu, Tokyo (JP)
Assigned to Mitsubishi Chemical Corporation, Tokyo (JP)
Filed by Mitsubishi Chemical Corporation, Tokyo (JP)
Filed on Jul. 1, 2021, as Appl. No. 17/305,164.
Application 17/305,164 is a continuation of application No. PCT/JP2020/000269, filed on Jan. 8, 2020.
Claims priority of application No. 2019-002398 (JP), filed on Jan. 10, 2019; and application No. 2019-184629 (JP), filed on Oct. 7, 2019.
Prior Publication US 2021/0323986 A1, Oct. 21, 2021
Int. Cl. C09K 11/06 (2006.01); C07F 15/00 (2006.01)
CPC C07F 15/0033 (2013.01) [C09K 11/06 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/185 (2013.01)] 13 Claims
 
1. An iridium complex compound represented by formula (5):

OG Complex Work Unit Chemistry
where in formula (5), Ir represents an iridium atom,
R1 to R12 each independently represent a hydrogen atom or a substituent;
adjacent R1 to R12 are optionally bonded together to form a ring;
R13 to R22 each independently represent a hydrogen atom or a substituent;
adjacent R13 to R22 are optionally bonded together to form a ring;
X represents a bidentate ligand;
m represents an integer of 1 to 3, and;
at least one of R13, R17, R18, and R22 represents a substituent other than a hydrogen atom.