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

A compound represented by the following formula (1A) or (1B):

• wherein at least one selected from R1 to R16 and at least one selected from R21 to R36 are represented by the following formula (2A), (2B), (2C) or (2D):
• where * represents a bonding position to a carbon atom in the formula (1A) at which R1 to R16 are bonded or a bonding position to a carbon atom in the formula (1B) at which R21 to R36 are bonded,
• L1 to L6 each independently represent a substituted or unsubstituted arylene group having 6 to 50 ring carbon atoms, or a substituted or unsubstituted divalent heterocyclic group having 5 to 50 ring atoms,
• a, b, c, d, e and f each independently represent 0, 1, 2 or 3, and (L1)0, (L2)0, (L3)0, (L4)0, (L5)0 and (L6)0 each independently represent a single bond,
• when two or more L1s are present, they may be the same or different, when two or more L2s are present, they may be the same or different, when two or more L3s are present, they may be the same or different, when two or more L4s are present, they may be the same or different, when two or more L5s are present, they may be the same or different, and when two or more L6s are present, they may be the same or different,
• HET represents a substituted or unsubstituted heterocyclic group having 5 to 50 ring atoms,
• X1 and X2 each independently represent a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, or a substituted or unsubstituted heterocyclic group having 5 to 50 ring atoms,
• Ar represents a substituted or unsubstituted aryl group having 10 to 50 ring carbon atoms,
• Y represents a group selected from the following formulae (i) to (viii):
• where ** represents a bonding position at which Y is bonded to L6 in the formula (2D),
• RA and RB each independently represent a hydrogen atom or a substituent Z1,
• RC, RD and RE each independently represent a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms,
• the substituent Z1 is a halogen atom, a nitro group, a cyano group,
• a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms,
• a substituted or unsubstituted alkenyl group having 2 to 50 carbon atoms,
• a substituted or unsubstituted alkynyl group having 2 to 50 carbon atoms,
• a substituted or unsubstituted cycloalkyl group having 3 to 50 ring carbon atoms,
• a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms,
• a substituted or unsubstituted aralkyl group having 7 to 50 carbon atoms,
• a substituted or unsubstituted heterocyclic group having 5 to 50 ring atoms,
• a substituted or unsubstituted haloalkyl group having 1 to 50 carbon atoms,
• a substituted or unsubstituted haloalkoxy group having 1 to 50 carbon atoms,
• a group represented by —Si(R901) (R902) (R903),
• a group represented by —O—(R904),
• a group represented by —S—(R905), or
• a group represented by —N(R906) (R907),
• R901 to R907 each independently represent
• a hydrogen atom,
• a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms,
• a substituted or unsubstituted cycloalkyl group having 3 to 50 ring carbon atoms,
• a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, or
• a substituted or unsubstituted heterocyclic group having 5 to 50 ring atoms,
• when two or more R901's are present, the R901's may be the same or different,
• when two or more R902's are present, the R902's may be the same or different,
• when two or more R903's are present, the R903's may be the same or different,
• when two or more R904's are present, the R904's may be the same or different,
• when two or more R905's are present, the R905's may be the same or different,
• when two or more R906's are present, the R906's may be the same or different,
• when two or more R907's are present, the R907's may be the same or different,
• when R1, R2, R9 and R10 in the formula (1A) are all represented by the formula (2A), at least one selected from R1, R2, R9 and R10 is the formula (2A) in which HET contains a nitrogen atom,
• when two or more selected from R1 to R16 in the formula (1A) are represented by the formula (2A), they may be the same or different, when two or more selected from R1 to R16 are represented by the formula (2B), they may be the same or different, when two or more selected from R1 to R16 are represented by the formula (2C), they may be the same or different, and when two or more selected from R1 to R16 are represented by the formula (2D), they may be the same or different, and R1 to R16 are not bonded to each other,
• when two or more selected from R21 to R36 in the formula (1B) are represented by the formula (2A), they may be the same or different, when two or more selected from R21 to R36 are represented by the formula (2B), they may be the same or different, when two or more selected from R21 to R36 are represented by the formula (2C), they may be the same or different, and when two or more selected from R21 to R36 are represented by the formula (2D), they may be the same or different, and R21 to R36 are not bonded to each other,
• in the formulae (1A) and (1B), R1 to R16 and R21 to R36 which are not represented by the formula (2A), (2B), (2C) or (2D) each independently represent a hydrogen atom or a substituent Z2,
• the substituent Z2 is a halogen atom, a nitro group, a cyano group,
• a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms,
• a substituted or unsubstituted alkenyl group having 2 to 50 carbon atoms,
• a substituted or unsubstituted alkynyl group having 2 to 50 carbon atoms,
• a substituted or unsubstituted cycloalkyl group having 3 to 50 ring carbon atoms,
• a substituted or unsubstituted phenyl group,
• a substituted or unsubstituted aralkyl group having 7 to 50 carbon atoms,
• a substituted or unsubstituted haloalkyl group having 1 to 50 carbon atoms,
• a substituted or unsubstituted haloalkoxy group having 1 to 50 carbon atoms,
• a group represented by —Si(R901)(R902)(R903),
• a group represented by —S—(R905), or
• a group represented by —N(R906)(R907),
• R901 to R907 each independently represent
• a hydrogen atom,
• a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms,
• a substituted or unsubstituted cycloalkyl group having 3 to 50 ring carbon atoms,
• a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, or
• a substituted or unsubstituted heterocyclic group having 5 to 50 ring atoms,
• when two or more R901's are present, the R901's may be the same or different,
• when two or more R902's are present, the R902's may be the same or different,
• when two or more R903's are present, the R903's may be the same or different,
• when two or more R905's are present, the R905's may be the same or different,
• when two or more R906's are present, the R906's may be the same or different,
• when two or more R907's are present, the R907's may be the same or different,
• at least one of R901 to R903 is not a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, and at least one of R906 and R907 is a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, or a substituted or unsubstituted cycloalkyl group having 3 to 50 ring carbon atoms, and
• R901 to R903 are not bonded to each other, and R906 and R907 are not bonded to each other.