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

A compound represented by a formula (53):

• wherein:
• k is an integer of 0 to 3, m is an integer of 1 to 4, q is an integer of 0 to 3, and k+m+q=4,
• CN is a cyano group;
• R50 is a substituted or unsubstituted 9-carbazolyl group;
• and
• D1 and D2 are each independently represented by one of formulae (33) to (38), D1 and D2 being optionally the same or different, a plurality of D1 being optionally the same or different, a plurality of D2 being optionally the same or different:
• wherein, in formulae (33) to (38):
• R11 to R20 each independently represent a hydrogen atom, a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, a substituted or unsubstituted heterocyclic group having 5 to 30 ring atoms, a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted alkylsilyl group having 3 to 30 carbon atoms, a substituted or unsubstituted arylsilyl group having 6 to 60 ring carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 30 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 30 ring carbon atoms, a substituted or unsubstituted alkylamino group having 2 to 30 carbon atoms, a substituted or unsubstituted arylamino group having 6 to 60 ring carbon atoms, a substituted or unsubstituted alkylthio group having 1 to 30 carbon atoms, or a substituted or unsubstituted arylthio group having 6 to 30 ring carbon atoms;
• and
• at least one of combinations of substituents selected from R11 to R20 may be mutually bonded to form a cyclic structure;
• and
• X1 represents a sulfur atom or an oxygen atom,
• wherein neither D1 nor D2 is represented by formula (36):
• wherein X1 represents an oxygen atom.