US 12,089,492 B2
Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element
Sayaka Mizutani, Sodegaura (JP); and Takayasu Sado, Sodegaura (JP)
Assigned to IDEMITSU KOSAN CO., LTD., Tokyo (JP)
Filed by IDEMITSU KOSAN CO., LTD., Tokyo (JP)
Filed on May 19, 2022, as Appl. No. 17/748,108.
Application 17/748,108 is a continuation of application No. 16/523,863, filed on Jul. 26, 2019, granted, now 11,374,176.
Application 16/523,863 is a continuation of application No. 15/840,848, filed on Dec. 13, 2017, granted, now 10,418,563, issued on Sep. 17, 2019.
Application 15/840,848 is a continuation of application No. 14/918,935, filed on Oct. 21, 2015, granted, now 9,893,296, issued on Feb. 13, 2018.
Application 14/918,935 is a continuation of application No. 13/989,698, granted, now 9,209,406, issued on Dec. 8, 2015, previously published as PCT/JP2012/080156, filed on Nov. 21, 2012.
Claims priority of application No. 2011-255472 (JP), filed on Nov. 22, 2011; and application No. 2012-193349 (JP), filed on Sep. 3, 2012.
Prior Publication US 2022/0285627 A1, Sep. 8, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H01L 51/54 (2006.01); C07D 405/10 (2006.01); C07D 405/14 (2006.01); C07D 409/10 (2006.01); C07D 409/14 (2006.01); C09K 11/02 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 50/16 (2023.01); H10K 85/60 (2023.01); H10K 50/17 (2023.01); H10K 50/18 (2023.01); H10K 101/10 (2023.01); H10K 101/30 (2023.01); H10K 101/40 (2023.01); H10K 102/00 (2023.01); H10K 102/10 (2023.01)
CPC H10K 85/654 (2023.02) [C07D 405/10 (2013.01); C07D 405/14 (2013.01); C07D 409/10 (2013.01); C07D 409/14 (2013.01); C09K 11/025 (2013.01); C09K 11/06 (2013.01); H10K 50/11 (2023.02); H10K 50/16 (2023.02); H10K 85/615 (2023.02); H10K 85/622 (2023.02); H10K 85/623 (2023.02); H10K 85/657 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); H10K 50/171 (2023.02); H10K 50/18 (2023.02); H10K 2101/10 (2023.02); H10K 2101/30 (2023.02); H10K 2101/40 (2023.02); H10K 2102/101 (2023.02); H10K 2102/351 (2023.02)] 6 Claims
 
1. An aromatic heterocyclic derivative represented by a formula (1),

OG Complex Work Unit Chemistry
wherein: X1 to X3 are each a nitrogen atom or CR1, with a proviso that two or three of X1 to X3 are each a nitrogen atom;
R1 represents a hydrogen atom;
Ar1 and Ar2 each represent a substituted or unsubstituted phenyl group;
Ar1 and Ar2 are mutually different groups;
at least one of Ar1 and Ar2 is not an unsubstituted phenyl group; and
A is represented by a formula (2-1),
(HAr)-L1-  (2-1)
wherein: HAr is represented by a formula (3);
L1 is a divalent unsubstituted phenyl group;

OG Complex Work Unit Chemistry
wherein: one of X13 and X16 is a carbon atom bonded to L1 by a single bond, and the other of X13 and X16 is CR13;
X11, X12, X14, X15, X17, and X18 are each CR13;
Y1 is an oxygen atom; and
R13 represents a hydrogen atom.