Compound, organic electroluminescent element, and electronic device

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

• where, in the formula (1C-B):
• one of R4 to R6, R8, and R10 to R12 is a group represented by a formula (1D-B) above;
• R1 to R3, R7, R9, and R4 to R6, R8, and R10 to R12 not being the group represented by the formula (1D-B) 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 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 50 ring carbon atoms, or a substituted or unsubstituted heterocyclic group having 5 to 50 ring atoms;
• when R11 is a group represented by the formula (1D-B), R12 is a hydrogen atom or an unsubstituted phenyl group;
• and
• when R12 is a group represented by the formula (1D-B), R11 is a substituted or unsubstituted phenyl group;
• in the formula (1D-B), one of R21 to R30 represents a bonding position to a benz[a]anthracene ring in the formula (1C-B), and at least one combination of adjacent two or more of R21 to R30 not being the bonding position in the formula (1D-B) are mutually bonded to form a substituted or unsubstituted monocyclic ring, mutually bonded to form a substituted or unsubstituted fused ring, or not mutually bonded;
• R21 to R30 not being the bonding position to the benz[a]anthracene ring in the formula (1C-B) and forming neither the substituted or unsubstituted monocyclic ring nor the substituted or unsubstituted fused ring in the formula (1D-B) are each independently a hydrogen atom, 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 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 halogen atom, a cyano group, a nitro group, 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;
• in the compound represented by the formula (1C-B), 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 50 ring carbon atoms, or a substituted or unsubstituted heterocyclic group having 5 to 50 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.