Organic electroluminescent element, electronic device, and compound

A compound represented by a formula (1A) below,

• where, in the formula (1A):
• R1A and R1B are each independently a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, a substituted or unsubstituted aryl group having 6 to 17 ring carbon atoms, or a substituted or unsubstituted heterocyclic group having 5 to 17 ring atoms, at least one of R1A or R1B is a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms;
• at least one combination of a combination of R11 and R12, a combination of R12 and R13, a combination of R16 and R17, or a combination of R17 and R18 are mutually bonded to form a substituted or unsubstituted monocyclic ring, or mutually bonded to form a substituted or unsubstituted fused ring;
• and
• at least one combination of a combination of R11 and R12, a combination of R12 and R13, a combination of R16 and R17, or a combination of R17 and R18 are mutually bonded to form a ring represented by a formula (11A) below as the substituted or unsubstituted monocyclic ring,
• where:
• when a combination of R11 and R12 or a combination of R12 and R13 are mutually bonded to form a substituted or unsubstituted monocyclic ring or a substituted or unsubstituted fused ring with a ring A, a group represented by a formula (10A) above is bonded to, of carbon atoms forming the monocyclic ring with the ring A and the fused ring with the ring A, a carbon atom located at the farthest position from a carbon atom C1 of the ring A, the carbon atom C1 being bonded with a single bond to a carbon atom C2 of a ring B;
• R12 forming neither the substituted or unsubstituted monocyclic ring nor the substituted or unsubstituted fused ring is a group represented by the formula (10A);
• R11, R13, R14, and R15 to R18 forming neither the substituted or unsubstituted monocyclic ring nor the substituted or unsubstituted fused ring, and R101 to R104 are each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, a substituted or unsubstituted haloalkyl 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 group represented by —Si(R901)(R902)(R903), a group represented by —O—(R904), a group represented by —S—(R905), a group represented by —N(R906)(R907), a substituted or unsubstituted aralkyl group having 7 to 50 carbon atoms, a group represented by —C(═O)R801, a group represented by —COOR802, a halogen atom, a cyano group, a nitro group, a substituted or unsubstituted aryl group having 6 to 17 ring carbon atoms, or a substituted or unsubstituted heterocyclic group having 5 to 17 ring atoms,
• in the formula (10A):
• Ar1 is a substituted or unsubstituted aryl group having four or more fused rings or a substituted or unsubstituted heterocyclic group having four or more fused rings;
• L1 is a single bond, a substituted or unsubstituted arylene group having 6 to 17 ring carbon atoms, or a substituted or unsubstituted divalent heterocyclic group having 5 to 17 ring atoms;
• mx is 0, 1, or 2;
• and
• * represents a bonding position to an atom forming a ring of the formula (1A),
• in the formula (11A), * 1 and *2 each represent a bonding position to an atom forming a ring of the formula (1A);
• and
• a compound represented by the formula (1A) does not have, in a molecule, three or more groups of a substituted or unsubstituted aryl group having four or more fused rings and a substituted or unsubstituted heterocyclic group having four or more fused rings,
• in a compound represented by the formula (1A), R901, R902, R903, R904, R905, R906, R907, R801, and R802 are each independently 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 17 ring carbon atoms, or a substituted or unsubstituted heterocyclic group having 5 to 17 ring atoms;
• when a plurality of R901 are present, the plurality of R901 are mutually the same or different;
• when a plurality of R902 are present, the plurality of R902 are mutually the same or different;
• when a plurality of R903 are present, the plurality of R903 are mutually the same or different;
• when a plurality of R904 are present, the plurality of R904 are mutually the same or different;
• when a plurality of R905 are present, the plurality of R905 are mutually the same or different;
• when a plurality of R906 are present, the plurality of R906 are mutually the same or different;
• when a plurality of R907 are present, the plurality of R907 are mutually the same or different;
• when a plurality of R801 are present, the plurality of R801 are mutually the same or different;
• and
• when a plurality of R802 are present, the plurality of R802 are mutually the same or different.

A compound represented by a formula (1C) below,

• where, in the formula (1C):
• R1A and R1B are each independently a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, a substituted or unsubstituted aryl group having 6 to 17 ring carbon atoms, or a substituted or unsubstituted heterocyclic group having 5 to 17 ring atoms;
• at least one of R1A or R1B is a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms;
• at least one combination of a combination of R13 and R14 or a combination of R15 and R16 are mutually bonded to form a substituted or unsubstituted aryl ring having 6 to 50 ring carbon atoms;
• at least one combination of a combination of R11 and R12 or a combination of R17 and R18 are mutually bonded to form a substituted or unsubstituted aryl ring having 6 to 50 ring carbon atoms, or not mutually bonded;
• only one or two combinations selected from a combination of R11 and R12, a combination of R13 and R14, a combination of R15 and R16, and a combination of R17 and R18 form the substituted or unsubstituted aryl ring having 6 to 50 ring carbon atoms;
• a group represented by the formula (10C) is bonded to the substituted or unsubstituted aryl ring having 6 to 50 ring carbon atoms formed by a combination of R11 and R12, a combination of R13 and R14, a combination of R15 and R16, or a combination of R17 and R18, or bonded to a ring A or a ring B;
• when a combination of R13 and R14 are mutually bonded and none of a combination of R11 and R12, a combination of R15 and R16, and a combination of R17 and R18 are mutually bonded, a group represented by the formula (10C) is bonded to the substituted or unsubstituted aryl ring having 6 to 50 ring carbon atoms formed by a combination of R13 and R14 or bonded to the ring A, and when a combination of R15 and R16 are mutually bonded and none of a combination of R11 and R12, a combination of R13 and R14, and a combination of R17 and R18 are mutually bonded, a group represented by the formula (10C) is bonded to the substituted or unsubstituted aryl ring having 6 to 50 ring carbon atoms formed by a combination of R15 and R16 or bonded to the ring B;
• R11 to R18 not forming the substituted or unsubstituted aryl ring having 6 to 50 ring carbon atoms are each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, a substituted or unsubstituted haloalkyl 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 group represented by —Si(R901)(R902)(R903), a group represented by —O—(R904), a group represented by —S—(R905), a group represented by —N(R906)(R907), a substituted or unsubstituted aralkyl group having 7 to 50 carbon atoms, a group represented by —C(═O)R801, a group represented by —COOR802, a halogen atom, a cyano group, a nitro group, a substituted or unsubstituted aryl group having 6 to 17 ring carbon atoms, a substituted or unsubstituted heterocyclic group having 5 to 17 ring atoms, or a group represented by the formula (10C),
• in the formula (1° C.):
• Ar1 is a substituted or unsubstituted aryl group having four or more fused rings or a substituted or unsubstituted heterocyclic group having four or more fused rings;
• L1 is a single bond, a substituted or unsubstituted arylene group having 6 to 17 ring carbon atoms, or a substituted or unsubstituted divalent heterocyclic group having 5 to 17 ring atoms;
• mx is 0, 1, or 2;
• * represents a bonding position to an atom forming a ring of the formula (1C);
• and
• a compound represented by the formula (1C) does not have, in a molecule, three or more groups of a substituted or unsubstituted aryl group having four or more fused rings and a substituted or unsubstituted heterocyclic group having four or more fused rings,
• in a compound represented by the formula (1C), R901, R902, R903, R904, R905, R906, R907, R801 and R802 are each independently 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 17 ring carbon atoms, or a substituted or unsubstituted heterocyclic group having 5 to 17 ring atoms;
• when a plurality of R901 are present, the plurality of R901 are mutually the same or different;
• when a plurality of R902 are present, the plurality of R902 are mutually the same or different;
• when a plurality of R903 are present, the plurality of R903 are mutually the same or different;
• when a plurality of R904 are present, the plurality of R904 are mutually the same or different;
• when a plurality of R905 are present, the plurality of R905 are mutually the same or different;
• when a plurality of R906 are present, the plurality of R906 are mutually the same or different;
• when a plurality of R907 are present, the plurality of R907 are mutually the same or different;
• when a plurality of R801 are present, the plurality of R801 are mutually the same or different;
• and
• when a plurality of R802 are present, the plurality of R802 are mutually the same or different.

A compound represented by a formula (1B) below,

• where:
• in the formula (1B):
• R1A and R1B are each independently a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, a substituted or unsubstituted aryl group having 6 to 17 ring carbon atoms, or a substituted or unsubstituted heterocyclic group having 5 to 17 ring atoms, at least one of R1A or R1B is a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms;
• at least one combination of combinations of adjacent two or more of R11 to R14 or combinations of adjacent two or more of R15 to R18 are mutually bonded to form a substituted or unsubstituted monocyclic ring, or mutually bonded to form a substituted or unsubstituted fused ring;
• when a substituted or unsubstituted monocyclic ring or a substituted or unsubstituted fused ring is formed with a ring A, a group represented by the formula (10B) is bonded to a carbon atom bonded to R12 or, of carbon atoms forming the monocyclic ring with the ring A and the fused ring with the ring A, a carbon atom farthest from a carbon atom C1 of the ring A, the carbon atom C1 being bonded with a single bond to a carbon atom C2 of a ring B;
• when a substituted or unsubstituted monocyclic ring or a substituted or unsubstituted fused ring is formed with not the ring A but the ring B, a group represented by the formula (10) is bonded to a carbon atom bonded to R12;
• R12 not bonded with a group represented by the formula (10B), and R11, R13, R14 and R15 to R18 forming neither the substituted or unsubstituted monocyclic ring nor the substituted or unsubstituted fused ring are each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, a substituted or unsubstituted haloalkyl 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 group represented by —Si(R901)(R902)(R903), a group represented by —O—(R904), a group represented by —S—(R905), a group represented by —N(R906)(R907), a substituted or unsubstituted aralkyl group having 7 to 50 carbon atoms, a group represented by —C(═O)R801, a group represented by —COOR802, a halogen atom, a cyano group, a nitro group, a substituted or unsubstituted aryl group having 6 to 17 ring carbon atoms, or a substituted or unsubstituted heterocyclic group having 5 to 17 ring atoms,
• in the formula (10B):
• Ar1 is a substituted or unsubstituted aryl group having four or more fused rings or a substituted or unsubstituted heterocyclic group having four or more fused rings, and Ar1 is not a substituted or unsubstituted pyrenyl group;
• L1 is a single bond, a substituted or unsubstituted arylene group having 6 to 17 ring carbon atoms, or a substituted or unsubstituted divalent heterocyclic group having 5 to 17 ring atoms;
• mx is 0, 1, or 2;
• * represents a bonding position to an atom forming a ring of the formula (1B);
• and
• a compound represented by the formula (1B) does not have, in a molecule, three or more groups of a substituted or unsubstituted aryl group having four or more fused rings and a substituted or unsubstituted heterocyclic group having four or more fused rings,
• in a compound represented by the formula (1B), R901, R902, R903, R904, R905, R906, R907, R801 and R802 are each independently 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 17 ring carbon atoms, or a substituted or unsubstituted heterocyclic group having 5 to 17 ring atoms, when a plurality of R901 are present, the plurality of R901 are mutually the same or different;
• when a plurality of R902 are present, the plurality of R902 are mutually the same or different;
• when a plurality of R903 are present, the plurality of R903 are mutually the same or different;
• when a plurality of R904 are present, the plurality of R904 are mutually the same or different;
• when a plurality of R905 are present, the plurality of R905 are mutually the same or different;
• when a plurality of R906 are present, the plurality of R906 are mutually the same or different;
• when a plurality of R907 are present, the plurality of R907 are mutually the same or different;
• when a plurality of R801 are present, the plurality of R801 are mutually the same or different;
• and
• when a plurality of R802 are present, the plurality of R802 are mutually the same or different.