US 12,454,522 B2
Preparation and use of tetradentate platinum(II) complex
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. 17/926,976
Filed by GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD, Guangdong (CN)
PCT Filed May 9, 2021, PCT No. PCT/CN2021/092522
§ 371(c)(1), (2) Date Nov. 21, 2022,
PCT Pub. No. WO2021/233147, PCT Pub. Date Nov. 25, 2021.
Claims priority of application No. 202010438251.3 (CN), filed on May 21, 2020.
Prior Publication US 2023/0209991 A1, Jun. 29, 2023
Int. Cl. C07F 15/00 (2006.01); C07D 401/14 (2006.01); C09K 11/06 (2006.01); H01L 51/00 (2006.01); H10K 85/00 (2023.01); H10K 85/30 (2023.01); H10K 50/12 (2023.01)
CPC C07D 401/14 (2013.01) [C07F 15/0086 (2013.01); C09K 11/06 (2013.01); H10K 85/00 (2023.02); H10K 85/346 (2023.02); C09K 2211/1059 (2013.01); C09K 2211/185 (2013.01); H10K 50/12 (2023.02)] 12 Claims
 
1. A quadridentate platinum (II) complex, having the structure as shown in the following formula:

OG Complex Work Unit Chemistry
wherein R1-R22 are independently selected from hydrogen, deuterium, sulfur, halogen, hydroxyl, acyl, alkoxy, acyloxy, amino, nitro, acyl amino, cyano, carboxyl, styryl, amino carbonyl, carbamoyl, benzyl carbonyl, aryloxy, diarylamino, saturated alkyl containing 1-30 C atoms, unsaturated alkyl containing 2-20 C atoms, substituted or unsubstituted aryl containing 5-30 C atoms, and substituted or unsubstituted heteroaryl containing 5-30 C atoms; or adjacent R1-R21 are mutually connected into a ring by a covalent bond; the substituted refers to substitution with halogen, deuterium, C1-C20 alkyls, C1-C10 silyls, and cyano; and a heteroatom in the heteroaryl comprises one or more of N, O, and S.