US 11,744,149 B2
Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device
Yusuke Takahashi, Sodegaura (JP); Tasuku Haketa, Otemachi (JP); Hirokatsu Ito, Sodegaura (JP); and Yu Kudo, Sodegaura (JP)
Assigned to IDEMITSU KOSAN CO., LTD., Chiyoda-ku (JP)
Filed by IDEMITSU KOSAN CO., LTD., Chiyoda-ku (JP)
Filed on Aug. 10, 2022, as Appl. No. 17/884,732.
Application 17/884,732 is a continuation of application No. 17/614,481, previously published as PCT/JP2020/021345, filed on May 29, 2020.
Claims priority of application No. 2019-103212 (JP), filed on May 31, 2019.
Prior Publication US 2022/0399505 A1, Dec. 15, 2022
Int. Cl. H01L 51/50 (2006.01); H10K 85/60 (2023.01); C07D 307/91 (2006.01); C07D 409/14 (2006.01); C09K 11/06 (2006.01); H10K 50/15 (2023.01)
CPC H10K 85/636 (2023.02) [C07D 307/91 (2013.01); C07D 409/14 (2013.01); C09K 11/06 (2013.01); C07B 2200/05 (2013.01); C09K 2211/1018 (2013.01); H10K 50/156 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02)] 29 Claims
OG exemplary drawing
 
1. A compound represented by the following formula (1):

OG Complex Work Unit Chemistry
wherein:
one of X1 and X2 is an oxygen atom, and the other is an oxygen atom or a sulfur atom,
X3 is selected from an oxygen atom or a sulfur atom,
L is selected from a single bond, a substituted or unsubstituted phenylene group, and a substituted or unsubstituted naphthylene group,
R1 to R3, R5 to R8, R11 to R13, R15 to R18, R21 to R24, and R25 to R28 each are independently selected from a hydrogen atom, an unsubstituted alkyl group having 1 to 6 carbon atoms, and an unsubstituted cycloalkyl group having 3 to 20 ring carbon atoms,
provided that one of R21 to R24 is a single bond bonding to L via *a.