	US 12,464,942 B2
	Preparation of N∧N∧C∧O tetradentate platinum (II) complex and uses thereof
Jian Kang, Foshan (CN); Lei Dai, Foshan (CN); and Lifei Cai, Foshan (CN)
Assigned to GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD, Foshan (CN)
Appl. No. 17/298,002
Filed by GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD, Guangdong (CN)
PCT Filed Nov. 2, 2019, PCT No. PCT/CN2019/115181 § 371(c)(1), (2) Date Mar. 10, 2022, PCT Pub. No. WO2020/134569, PCT Pub. Date Jul. 2, 2020.
Claims priority of application No. 201811628779.6 (CN), filed on Dec. 28, 2018.
Prior Publication US 2022/0115605 A1, Apr. 14, 2022
Int. Cl. C07D 213/74 (2006.01); C07F 15/00 (2006.01); C09K 11/06 (2006.01); H10K 85/30 (2023.01); H10K 50/11 (2023.01); H10K 101/10 (2023.01)

CPC H10K 85/346 (2023.02) [C07D 213/74 (2013.01); C07F 15/0086 (2013.01); C09K 11/06 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 2101/10 (2023.02)]

18 Claims

1. A N N C O tetradentate platinum (II) complex, having a structure as shown in the following formula:

wherein:

R₁to R₁₄are independently selected from hydrogen, fluorine, a saturated alkyl group containing 1 to 10 carbon atoms, an aryl group containing 6 to 20 carbon atoms and unsubstituted or substituted by one or more C1 to C4 alkyl groups,

R₁₅are independently selected from an aryl group containing 6 to 20 carbon atoms and unsubstituted or substituted by one or more C1 to C4 alkyl groups.