US 12,207,547 B2
Organic electroluminescent compound, organic electroluminescent material comprising the same, and organic electroluminescent device
Hyo-Jung Lee, Gyeonggi-do (KR); Dominea Rathwell, Gyeonggi-do (KR); Sang-Hee Cho, Gyeonggi-do (KR); and Hyun-Ju Kang, Gyeonggi-do (KR)
Assigned to Rohm and Haas Electronic Materials Korea Ltd., (KR)
Appl. No. 16/757,844
Filed by ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD., Chungcheongnam-do (KR)
PCT Filed Nov. 9, 2018, PCT No. PCT/KR2018/013603
§ 371(c)(1), (2) Date Apr. 21, 2020,
PCT Pub. No. WO2019/093809, PCT Pub. Date May 16, 2019.
Claims priority of application No. 10-2017-0149498 (KR), filed on Nov. 10, 2017; and application No. 10-2018-0135786 (KR), filed on Nov. 7, 2018.
Prior Publication US 2021/0193931 A1, Jun. 24, 2021
Int. Cl. C07D 487/04 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 85/60 (2023.01); H10K 101/10 (2023.01)
CPC H10K 85/654 (2023.02) [C07D 487/04 (2013.01); C09K 11/06 (2013.01); H10K 85/6572 (2023.02); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 2101/10 (2023.02)] 6 Claims
 
1. An organic electroluminescent compound represented by formula 2, 3, 4, 5 or 7:

OG Complex Work Unit Chemistry
wherein,
X1 to X3 each independently represent CR12 or N;
at least one of X1 to X3 represents N;
Ar1 to Ar3 each independently represent a substituted or unsubstituted (C1-C30)alkyl, a substituted or unsubstituted (C6-C30)aryl, or a substituted or unsubstituted (3- to 30-membered)heteroaryl;
R1 to R3, and R12 each independently represent hydrogen, deuterium, halogen, cyano, carboxyl, nitro, hydroxyl, a substituted or unsubstituted (C1-C30)alkyl, a substituted or unsubstituted (C3-C30)cycloalkyl, a substituted or unsubstituted (C3-C30)cycloalkenyl, a substituted or unsubstituted (3- to 7-membered)heterocycloalkyl, a substituted or unsubstituted (C6-C30)aryl, or a substituted or unsubstituted (3- to 30-membered)heteroaryl; or R1 and R3 may be linked to an adjacent substituent to form a substituted or unsubstituted (C3-C30) mono- or polycyclic, alicyclic or aromatic ring or a combination thereof;
a and b each independently represent an integer from 0 to 4; c represents an integer from 0 to 2; when a or b is an integer of 2 or more or c is 2, each of R1, each of R2, or each of R3 may be the same or different;
L1 is represented by the following formula R-1:

OG Complex Work Unit Chemistry
wherein,
R4 represents hydrogen, deuterium, halogen, cyano, carboxyl, nitro, hydroxyl, a substituted or unsubstituted (C1-C30)alkyl, a substituted or unsubstituted (C3-C30)cycloalkyl, a substituted or unsubstituted (C3-C30)cycloalkenyl, a substituted or unsubstituted (3- to 7-membered)heterocycloalkyl, a substituted or unsubstituted (C6-C30)aryl or a substituted or unsubstituted (3- to 30-membered)heteroaryl;
d represents an integer from 0 to 6, when d is an integer of 2 or more, each of R4 may be the same or different;
* represents a linkage position with an adjacent ring in formula 1.