US 11,939,279 B2
Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device
Tomoki Kato, Chiba (JP); Taro Yamaki, Ichihara (JP); Masahiro Kawamura, Chiba (JP); and Hirokatsu Ito, Ichihara (JP)
Assigned to IDEMITSU KOSAN CO., LTD., Tokyo (JP)
Filed by IDEMITSU KOSAN CO., LTD., Tokyo (JP)
Filed on Aug. 10, 2021, as Appl. No. 17/398,172.
Application 17/398,172 is a continuation of application No. 15/748,462, granted, now 11,117,857, previously published as PCT/JP2016/072563, filed on Aug. 1, 2016.
Claims priority of application No. 2015-152962 (JP), filed on Jul. 31, 2015.
Prior Publication US 2021/0363096 A1, Nov. 25, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. C07C 211/61 (2006.01); C09K 11/06 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 85/60 (2023.01); H10K 50/18 (2023.01); H10K 101/10 (2023.01)
CPC C07C 211/61 (2013.01) [C09K 11/06 (2013.01); H10K 50/11 (2023.02); H10K 50/156 (2023.02); H10K 85/626 (2023.02); H10K 85/633 (2023.02); C07C 2603/18 (2017.05); C07C 2603/26 (2017.05); C07C 2603/42 (2017.05); C07C 2603/52 (2017.05); C07C 2603/54 (2017.05); C09K 2211/1011 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1088 (2013.01); H10K 50/15 (2023.02); H10K 50/18 (2023.02); H10K 2101/10 (2023.02)] 15 Claims
OG exemplary drawing
 
1. A compound represented by formula (1):

OG Complex Work Unit Chemistry
wherein:
each of R1 to R6 is independently an alkyl group having 1 to 20 carbon atoms or an aryl group having 6 to 18 ring carbon atoms;
a is an integer of 0 or 1, b is an integer of 0 or 1, c is an integer of 0 or 1, d is an integer of 0 or 1, e is an integer of 0 or 1, and f is an integer of 0 or 1; each of (R1)0, (R2)0, (R3)0, (R4)0, (R5)0, and (R6)0 respectively means that R1, R2, R3, R4, R5, or R6 is not present; adjacent two groups selected from R1 to R3 are not bonded to each other, thereby failing to form a ring structure; and adjacent two groups selected from R4 to R6 are not bonded to each other, thereby failing to form a ring structure;
wherein Ar is represented by any of formulae (b-1) to (b-3), to (c-3), (d-1) to (d-3), (e-1) to (e-2), (f-1) to (f-4), and (i-1) to (i-2):

OG Complex Work Unit Chemistry

OG Complex Work Unit Chemistry

OG Complex Work Unit Chemistry
wherein:
* is a bond to L1 in formula (1);
each R is independently an alkyl group having 1 to 20 carbon atoms or an aryl group having 6 to 18 ring carbon atoms, wherein adjacent two Rs in each formula are not bonded to each other and do not form a ring structure;
when Ar is represented by any of formulae (b-1) to (b-3), (c-1) to (c-3), (d-1) to (d-3), and (0-1) to (e-2), each p is independently an integer of 0, each q is independently an integer of 0, each r is independently an integer of 0, and (R)0 means that R is not present;
when Ar is represented by formula (f-1), (f-2), (f-3) or (f-4), each s is an integer of 0 or 1, q is an integer of 0 or 1, r is an integer of 0 or 1, and (R)0 means that R is not present;
when Ar is represented by formula (i-1), or (i-2), each q is independently an integer of 0 or 12 each r is independently an integer of 0 or 1 and (R)0 means that R is not present;
each of L1 to L3 is independently a single bond or an arylene group represented by formula (ii) or (iii):

OG Complex Work Unit Chemistry
wherein:
at least one of L2 and L3 is a single bond;
R is the same as defined with respect to formulae (b-1) to (b-3), (c-1) to (c-3), (d-1) to (d-3), e-1) to (e-2), (f-1) to (f-4), and(i-1) to (i-2);
q is independently an integer of 0;
when L1 is represented by formula (ii) or (iii), one of * and ** is a bond to Ar in formula (1), and the other is a bond to the nitrogen atom in formula (1);
when L2 is represented by formula or (iii), one of * and ** is a bond to the phenanthrene structure in formula (1), and the other is a bond to the nitrogen atom in formula (1); and
when L3 is represented by formula (ii) or (iii), one of * and ** is a bond to the phenanthrene structure in formula (1), and the other is a bond to the nitrogen atom in formula (1).