US 12,146,087 B2
Compound and organic electroluminescence device
Tomoki Kato, Sodegaura (JP); Keita Seda, Sodegaura (JP); Ryota Takahashi, Sodegaura (JP); Hidetsugu Ikeda, Sodegaura (JP); Yuki Nakano, Sodegaura (JP); Thomas Schaefer, Liestal (CH); Peter Murer, Oberwil (CH); and Carsten Rothe, Dresden (DE)
Assigned to IDEMITSU KOSAN CO., LTD., Tokyo (JP)
Appl. No. 16/958,054
Filed by IDEMITSU KOSAN CO.,LTD., Tokyo (JP)
PCT Filed Dec. 28, 2018, PCT No. PCT/JP2018/048602
§ 371(c)(1), (2) Date Jun. 25, 2020,
PCT Pub. No. WO2019/132040, PCT Pub. Date Jul. 4, 2019.
Claims priority of application No. 2017-253215 (JP), filed on Dec. 28, 2017.
Prior Publication US 2021/0062078 A1, Mar. 4, 2021
Int. Cl. C09K 11/06 (2006.01); C07F 5/02 (2006.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 85/20 (2023.01); H10K 85/60 (2023.01)
CPC C09K 11/06 (2013.01) [C07F 5/02 (2013.01); H10K 85/211 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); C09K 2211/1014 (2013.01); C09K 2211/1055 (2013.01); H10K 50/15 (2023.02); H10K 50/16 (2023.02)] 24 Claims
OG exemplary drawing
 
1. A compound represented by the following formula (1):

OG Complex Work Unit Chemistry
wherein in the formula (1),
each of R1, R4, R5, R8, R9 and R11 is a hydrogen atom;
each of R2 and R7 is independently a hydrogen atom or a group represented by the following formula (2);
each of R3 and R6 is independently a hydrogen atom, an unsubstituted alkyl group including 1 to 5 carbon atoms or a group represented by the following formula (2);
R10 is a hydrogen atom or an unsubstituted alkyl group including 1 to 5 carbon atoms;
each of R12 and R13 is independently a substituted or unsubstituted phenyl group;
when two or more groups represented by the following formula (2) are present, the two or more groups represented by the following formula (2) may be the same or different:
L1-HAr  (2)
wherein in the formula (2),
L1 is a single bond;
HAr is a substituted or unsubstituted carbazolyl group;
at least one of R2 and R7 is a group represented by the formula (2), and N on the carbazoyl group in the formula (2) is bonded with L1; and
the substituent in the case of “substituted or unsubstituted” in the compound represented by the formula (1) is selected from the group consisting of an alkyl group including 1 to 5 carbon atoms, a phenyl group, a dibenzofuranyl group, and a dibenzofuranyl group substituted by an alkyl group including 1 to 5 carbon atoms.