Organic electroluminescent element, compound, and electronic equipment

An organic electroluminescence device comprising:

• an anode;
• a cathode;
• a first emitting layer provided between the anode and the cathode;
• and
• a second emitting layer provided between the anode and the cathode, wherein the first emitting layer comprises, as a first host material, a first compound represented by one of formulae (101) to (104) below and comprising at least one group represented by a formula (11),
• the second emitting layer comprises a second host material, and
• the first host material and the second host material are mutually different,
• wherein, in the formulae (101) to (104):
• R101 to R114 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, a substituted or unsubstituted heterocyclic group having 5 to 50 ring atoms, or a group represented by the formula (11);
• at least one of R101 to R114 is a group represented by the formula (11);
• when a plurality of groups represented by the formula (11) are present, the plurality of groups represented by the formula (11) are mutually the same or different;
• when a plurality of groups represented by the formula (11) are present, the plurality of groups represented by the formula (11) are mutually the same or different;
• L101 is a single bond, 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;
• Ar101 is 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;
• mx is 0, 1, 2, 3, 4, or 5;
• and
• when two or more L101 are present, the two or more L101 are mutually the same or different;
• when two or more Ar101 are present, the two or more Ar101 are mutually the same or different;
• and
• * in the formula (11) represents a bonding position to a ring represented by one of the formulae (101) to (104),
• R901, R902, R903, R904, R905, 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 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.