Compound, organic electroluminescent element material, organic electroluminescent element, and electronic device

A compound represented by the following formula (1):

• wherein N* is a central nitrogen atom,
• wherein Ar2 is a group represented by the following formula (2) or (3),
• wherein R31 to R36 and R41 to R45 are each independently a hydrogen atom or an unsubstituted alkyl group having 1 to 6 carbon atoms,
• wherein ** represents a bonding site to the benzene ring B2,
• wherein R11B to R14B are each independently a hydrogen atom, an unsubstituted alkyl group having 1 to 6 carbon atoms, or an unsubstituted aryl group having 6 to 12 ring carbon atoms,
• wherein provided that in adjacent two selected from R11B to R14B are not bonded to each other, and thus do not form a ring structure,
• wherein L is a single bond or a substituted or unsubstituted phenylene group,
• wherein L is not a single bond and is selected from an unsubstituted alkyl group having 1 to 6 carbon atoms and an unsubstituted aryl group having 6 to 12 ring carbon atoms,
• wherein when a plurality of L are present, the plurality of L are not bonded to each other, and thus do not form a ring structure,
• wherein Ar3 is a hydrogen atom, a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, or a substituted or unsubstituted phenanthryl group,
• wherein Ar3 is an unsubstituted alkyl group having 1 to 6 carbon atoms or an unsubstituted phenyl group,
• wherein when a plurality of Ar3 are present, the substituents are not bonded to each other and thus do not form a ring structure,
• wherein R21A to R25A and R21B to R24B are each independently a hydrogen atom, an unsubstituted alkyl group having 1 to 6 carbon atoms, or an unsubstituted phenyl group,
• wherein provided that one selected from R21A to R25A is a single bond bonded to *a3,
• wherein an adjacent two selected from R21A to R25A and an adjacent two selected from R21B to R24B, which are not a single bond, are not bonded to each other, and thus do not form a ring structure,
• wherein Ar1 is represented by any one of the following formulae (1-a) to (1-e):
• wherein R51 to R55 are each independently a hydrogen atom or an unsubstituted alkyl group having 1 to 6 carbon atoms,
• wherein an adjacent two selected from R51 to R55 are not bonded to each other, and thus do not form a ring structure,
• wherein ** represents a bonding site to *b1,
• wherein R61 to R68 are each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 12 ring carbon atoms,
• wherein one selected from R61 to R68 is a single bond bonded to *b,
• wherein an adjacent two selected from R61 to R68, which are not a single bond, are not bonded to each other, and thus do not form a ring structure, and
• wherein ** represents a bonding site to *b1,
• wherein R71 to R82 are each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 12 ring carbon atoms,
• wherein one selected from R71 to R82 is a single bond bonded to *c,
• wherein an adjacent two selected from R71 to R82, which are not a single bond, are not bonded to each other, and thus do not form a ring structure, and
• wherein ** represents a bonding site to *b1,
• wherein R91 to R100 are each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 12 ring carbon atoms,
• wherein one selected from R91 to R100 is a single bond bonded to *d,
• wherein an adjacent two selected from R91 to R100, which are not a single bond, are not bonded to each other, and thus do not form a ring structure, and
• wherein ** represents a bonding site to *b1,
• wherein R111 to R115 are each independently a hydrogen atom, an unsubstituted alkyl group having 1 to 6 carbon atoms, or an unsubstituted phenyl group,
• wherein an adjacent two selected from R111 to R115, which are not a single bond, are not bonded to each other, and thus do not form a ring structure,
• wherein R121 to R125 and R131 to R135 are each independently a hydrogen atom or an unsubstituted alkyl group having 1 to 6 carbon atoms,
• wherein the benzene ring E1 and the benzene ring E2 may not be fused or may be fused to form one benzene ring structure, and
• wherein ** represents a bonding site to *b1,
• wherein R1A to R5A and R1B to R5B are each independently a hydrogen atom, an unsubstituted alkyl group having 1 to 6 carbon atoms, or an unsubstituted aryl group having 6 to 12 ring carbon atoms,
• wherein one selected from R1A to R5A is a single bond bonded to *a1,
• wherein one selected from R1B to R5B is a single bond bonded to *b1,
• wherein provided that an adjacent two selected from R1A to R5A which are not a single bond, and M adjacent two selected from R1B to R5B which are not a single bond, are not bonded to each other, and thus do not form a ring structure,
• wherein the benzene ring A1 and the benzene ring B1 are not crosslinked,
• wherein the benzene ring A1 and the benzene ring B1 may not be fused or may be fused to form one benzene ring structure,
• wherein m is 0 or 1, and n is 0 or 1,
• wherein provided that when m is 0 and n is 0, *b1 is bonded to the central nitrogen atom N*,
• wherein when m is 0 and n is 1, *a1 is bonded to the central nitrogen atom N, and
• wherein when m is 1 and n is 0, one selected from R1A to R5A is a single bond bonded to *b1.