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

A compound represented by the following formula (1):

• wherein, in the formula (1),
• N* is a central nitrogen atom,
• L1 is a single bond or a phenylene group,
• Ar is represented by any one of the following formulas (1-a) to (1-d):
• in the formula (1-a),
• ** represents a bonding position to the central nitrogen atom N*,
• m1 is 0 or 1, n1 is 0, 1 or 2,
• R11 to R15 each are independently
• a hydrogen atom, a halogen atom, a nitro group, a cyano group,
• 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 substituted or unsubstituted haloalkyl group having 1 to 50 carbon atoms,
• a substituted or unsubstituted alkoxy group having 1 to 50 carbon atoms,
• a substituted or unsubstituted haloalkoxy group having 1 to 50 carbon atoms,
• a substituted or unsubstituted alkylthio group having 1 to 50 carbon atoms,
• a substituted or unsubstituted aryloxy group having 6 to 50 ring carbon atoms,
• a substituted or unsubstituted arylthio group having 6 to 50 ring carbon atoms,
• a substituted or unsubstituted aralkyl group having 7 to 50 carbon atoms, or
• a mono-, di- or tri-substituted silyl group having a substituent selected from the group consisting of 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, and a substituted or unsubstituted heterocyclic group having 5 to 50 ring atoms,
• R21 to R26 and R31 to R35 each are independently
• a hydrogen atom, a halogen atom, a nitro group, a cyano group,
• 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 substituted or unsubstituted haloalkyl group having 1 to 50 carbon atoms,
• a substituted or unsubstituted alkoxy group having 1 to 50 carbon atoms,
• a substituted or unsubstituted haloalkoxy group having 1 to 50 carbon atoms,
• a substituted or unsubstituted alkylthio group having 1 to 50 carbon atoms,
• a substituted or unsubstituted aryl group having 6 to 14 ring carbon atoms,
• a substituted or unsubstituted aryloxy group having 6 to 50 ring carbon atoms,
• a substituted or unsubstituted arylthio group having 6 to 50 ring carbon atoms,
• a substituted or unsubstituted aralkyl group having 7 to 50 carbon atoms, or
• a mono-, di- or tri-substituted silyl group having a substituent selected from the group consisting of 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, and a substituted or unsubstituted heterocyclic group having 5 to 50 ring atoms,
• provided that
• when m1 is 1 and n1 is 0, R11 or R15 is a single bond that is bonded to *a, and one selected from R21 to R26 is a single bond that is bonded to *b,
• when m1 is 1 and n1 is 1, one of R11 to R15 is a single bond that is bonded to *a, one of R21 to R26 is a single bond that is bonded to *b, and another one of R21 to R26 is a single bond that is bonded to *c,
• when m1 is 1 and n1 is 2, one of R11 to R15 is a single bond that is bonded to *a, one of R21 to R26 is a single bond that is bonded to *b, and other two of R21 to R26 are single bonds that are bonded to *c,
• when m1 is 0 and n1 is 1, R11 or R15 is a single bond that is bonded to *c,
• when m1 is 0 and n1 is 2, two of R11 to R15 are single bonds that are bonded to *c,
• R11 to R15 that are not the single bonds, R21 to R26 that are not the single bonds, and
• R31 to R35 that are not the single bonds are not bonded to each other and do not form a ring structure,
• in the formula (1-b),
• ** represents a bonding position to the central nitrogen atom N*,
• L2 is a single bond, a substituted or unsubstituted phenylene group, a substituted or unsubstituted biphenylene group, or a substituted or unsubstituted naphthylene group,
• one of R41 to R48 is a single bond that is bonded to *d, and R41 to R48 that are not the single bonds each are independently
• a hydrogen atom, a halogen atom, a nitro group, a cyano group,
• 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 substituted or unsubstituted haloalkyl group having 1 to 50 carbon atoms,
• a substituted or unsubstituted alkoxy group having 1 to 50 carbon atoms,
• a substituted or unsubstituted haloalkoxy group having 1 to 50 carbon atoms,
• a substituted or unsubstituted alkylthio group having 1 to 50 carbon atoms,
• a substituted or unsubstituted aryl group having 6 to 14 ring carbon atoms,
• a substituted or unsubstituted aryloxy group having 6 to 50 ring carbon atoms,
• a substituted or unsubstituted arylthio group having 6 to 50 ring carbon atoms,
• a substituted or unsubstituted aralkyl group having 7 to 50 carbon atoms, or
• a mono-, di- or tri-substituted silyl group having a substituent selected from the group consisting of 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, and a substituted or unsubstituted heterocyclic group having 5 to 50 ring atoms,
• provided that R41 to R48 that are not the single bonds, and each substituent when L2 has a substituent are respectively not bonded to each other and do not form a ring structure,
• in the formula (1-c),
• ** represents a bonding position to the central nitrogen atom N*,
• L3 is a single bond, a substituted or unsubstituted phenylene group, a substituted or unsubstituted biphenylene group, or a substituted or unsubstituted naphthylene group,
• one of R51 to R60 is a single bond that is bonded to *e, and R51 to R60 that are not the single bonds each are independently
• a hydrogen atom, a halogen atom, a nitro group, a cyano group,
• 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 substituted or unsubstituted haloalkyl group having 1 to 50 carbon atoms,
• a substituted or unsubstituted alkoxy group having 1 to 50 carbon atoms,
• a substituted or unsubstituted haloalkoxy group having 1 to 50 carbon atoms,
• a substituted or unsubstituted alkylthio group having 1 to 50 carbon atoms,
• a substituted or unsubstituted aryl group having 6 to 14 ring carbon atoms,
• a substituted or unsubstituted aryloxy group having 6 to 50 ring carbon atoms,
• a substituted or unsubstituted arylthio group having 6 to 50 ring carbon atoms,
• a substituted or unsubstituted aralkyl group having 7 to 50 carbon atoms, or
• a mono-, di- or tri-substituted silyl group having a substituent selected from the group consisting of 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, and a substituted or unsubstituted heterocyclic group having 5 to 50 ring atoms,
• provided that R51 to R60 that are not the single bonds, and each substituent when L3 has a substituent are respectively not bonded to each other and do not form a ring structure,
• in the formula (1-d),
• ** represents a bonding position to the central nitrogen atom N*,
• L4 is a single bond, a substituted or unsubstituted phenylene group, a substituted or unsubstituted biphenylene group, or a substituted or unsubstituted naphthylene group,
• X is an oxygen atom, a sulfur atom, or CRaRb,
• Ra and Rb each are independently a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms or a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms,
• one of R61 to R68 is a single bond that is bonded to *f, and R61 to R68 that are not the single bond each are independently
• a hydrogen atom, a halogen atom, a nitro group, a cyano group,
• 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 substituted or unsubstituted haloalkyl group having 1 to 50 carbon atoms,
• a substituted or unsubstituted alkoxy group having 1 to 50 carbon atoms,
• a substituted or unsubstituted haloalkoxy group having 1 to 50 carbon atoms,
• a substituted or unsubstituted alkylthio group having 1 to 50 carbon atoms,
• a substituted or unsubstituted aryloxy group having 6 to 50 ring carbon atoms,
• a substituted or unsubstituted arylthio group having 6 to 50 ring carbon atoms,
• a substituted or unsubstituted aralkyl group having 7 to 50 carbon atoms, or
• a mono-, di- or tri-substituted silyl group having a substituent selected from the group consisting of 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, and a substituted or unsubstituted heterocyclic group having 5 to 50 ring atoms,
• provided that R61 to R68 that are not the single bonds, and each substituent when L4 has a substituent are respectively not bonded to each other and do not form a ring structure,
• when X is an oxygen atom, one 6 elected from of R61, R63 to R66, and R68 is a single bond that is bonded to *f.