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

A compound of formula (3):

• wherein:
• R1 to R10 are each independently a hydrogen atom, a fluorine atom, a cyano group, an unsubstituted phenyl group, an unsubstituted naphthyl group, an unsubstituted biphenyl group, an unsubstituted methyl group, an unsubstituted ethyl group, an unsubstituted n-propyl group, an unsubstituted isopropyl group, an unsubstituted n-butyl group, an unsubstituted isobutyl group, an unsubstituted sec-butyl group, an unsubstituted tert-butyl group, an unsubstituted dibenzofuranyl group, or an unsubstituted dibenzothiophenyl group, and no set of two adjacent moieties selected from R1 to R10 is bonded to each other to form a ring;
• R11 to R14 are each independently a hydrogen atom, and no set of two adjacent moieties selected from R11 to R14 is bonded to each other to form a ring;
• Ar is an unsubstituted phenyl group, an unsubstituted biphenyl group, an unsubstituted terphenyl group, an unsubstituted naphthyl group, an unsubstituted phenanthryl group, an unsubstituted fluoranthenyl group, an unsubstituted 9,9-dimethylfluorenyl group, an unsubstituted 9,9-diphenylfluorenyl group, or an unsubstituted phenylnaphthyl group;
• R31 to R34 and R36 to R39 are each independently a hydrogen atom, and no set of two adjacent moieties selected from R31 to R34 and R36 to R39 is bonded to each other to form a ring;
• and
• R40 is a single bond bonded to *c and R35 is a single bond bonded to *d.