Compound, organic electroluminescent element material, organic electroluminescent element, and electronic device
2015
The present invention provides an organic EL element which exhibits high luminous efficiency and has a long service life, and an organic EL element material able to realize same. Specifically, the organic EL element material is a compound represented by formula (1). (A is a group represented by formula (1-A), and B is a group represented by formula (1-B). In addition, L is a single bond, a substituted or unsubstituted arylene group, or a substituted or unsubstituted heteroarylene group. L bonds to one of R 1 to R 4 in general formula (1-A) and one of R 11 to R 14 in general formula (1-B). ) (Among R a to R d , one pair from among R a and R b , R b and R c , and R c and R d forms a ring structure by directly bonding to the sites denoted by * in formula (1-a), and the remaining groups among R a to R d each independently denote a hydrogen atom or substituent group, or two adjacent groups among R a to R d bond to each other to form a ring structure. One of R 1 to R 8 bonds to L. However, those groups among R 1 to R 8 that do not bond to L each independently denote a hydrogen atom or a substituent group, or two adjacent groups among those groups among R 1 to R 8 that do not bond to L bond to each other to form a ring structure. L 1 , Q 1 and X are as disclosed in the description.) (Among R e to R h , one pair from among R e and R f , R f and R g, and R g and R h forms a ring structure by directly bonding to the sites denoted by * in formula (1-b), and the remaining groups among Re to Rh each independently denote a hydrogen atom or substituent group or two adjacent groups among R e to R h bond to each other to form a ring structure. One of R 11 to R 18 bonds to L. However, those groups among R 11 to R 18 that do not bond to L each independently denote a hydrogen atom or a substituent group, or two adjacent groups among those groups among R 11 to R 18 that do not bond to L bond to each other to form a ring structure. L 2 , Q 2 and Y are as disclosed in the description.)
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