Organic electroluminescence element and electronic device

An organic electroluminescence device, comprising:

• an anode,
• an organic layer,
• an emitting layer, and
• a cathode in this order,
• wherein the organic layer comprises a compound represented by the following formula (20), and
• the emitting layer comprises a compound represented by the following formula (1):
• wherein in the formula (20), Ar11 to Ar24 are independently a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms or a substituted or unsubstituted heteroaryl group including 5 to 50 ring atoms,
• m is an integer of 0 to 4,
• L21 and L22 are independently a single bond, a substituted or unsubstituted arylene group including 6 to 18 ring carbon atoms or a substituted or unsubstituted heteroarylene group including 5 to 15 ring atoms,
• when m is an integer of 2 or more, each Ar23 may be the same or different, and each Ar24 may be the same or different,
• wherein in the formula (1), Ar is a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms,
• Ra are independently a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or a substituted or unsubstituted cyclic alkyl group including 3 to 15 carbon atoms,
• Rb1 to Rb4 are independently a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, a substituted or unsubstituted cyclic alkyl group including 3 to 15 carbon atoms, a substituted or unsubstituted alkylsilyl group including 1 to 45 carbon atoms, a substituted or unsubstituted arylsilyl group including 6 to 50 carbon atoms, a substituted or unsubstituted alkoxy group including 1 to 15 carbon atoms, a substituted or unsubstituted aryloxy group including 6 to 30 ring carbon atoms, a substituted or unsubstituted alkylthio group including 1 to 15 carbon atoms, a substituted or unsubstituted arylthio group including 6 to 30 ring carbon atoms, a substituted or unsubstituted arylamino group including 6 to 30 ring carbon atoms, a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroaryl group including 3 to 30 ring atoms,
• Rc1 to Rc10 are independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, a substituted or unsubstituted cyclic alkyl group including 3 to 15 carbon atoms, a substituted or unsubstituted alkylsilyl group including 1 to 45 carbon atoms, a substituted or unsubstituted arylsilyl group including 6 to 50 carbon atoms, a substituted or unsubstituted alkoxy group including 1 to 15 carbon atoms, a substituted or unsubstituted aryloxy group including 6 to 30 ring carbon atoms, a substituted or unsubstituted alkylthio group including 1 to 15 carbon atoms, a substituted or unsubstituted arylthio group including 6 to 30 ring carbon atoms, a substituted or unsubstituted arylamino group including 6 to 30 ring carbon atoms, a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms, a substituted or unsubstituted heteroaryl group including 3 to 30 ring atoms, or a single bond that bonds with a nitrogen atom,
• * indicates the binding position between the nitrogen atom and any of Rc1 to Rc10,
• x is an integer of 0 to 3,
• y is an integer of 0 to 4,
• z is independently an integer of 0 to 5,
• when x is an integer of 2 or more, plural Rb1 may be the same or different, when y is an integer of 2 or more, plural Rb2 may be the same or different, when z is an integer of 2 or more, plural Rb3 may be the same or different and plural Rb4 may be the same or different.