Compound, organic electroluminescence device and electronic apparatus

A compound, wherein a structural formula of the compound is shown in a chemical formula 1:

• wherein, a ring A and a ring B are each independently selected from a benzene ring or a naphthalene ring;
• X is selected from O, S, Si(R3R4) or C(R3R4);
• the R3 and the R4 are the same;
• and the R3 and the R4 are selected from methyl or phenyl;
• or the R3 and the R4 are connected to each other to form a cyclopentane ring, a cyclohexane ring or a fluorene ring together with the atoms to which they are jointly connected;
• n1 is 1, n2 is 0, and R1 is
• or, n1 is 0, n2 is 1, and R2 is
• Ar1 is selected from substituted or unsubstituted aryl with 6 to 40 carbon atoms, or substituted or unsubstituted heteroaryl with 3 to 40 carbon atoms;
• L1 is selected from one of a single bond, substituted or unsubstituted phenylene, substituted or unsubstituted biphenylene, substituted or unsubstituted terphenylene, substituted or unsubstituted naphthylene, substituted or unsubstituted 9,9-dimethylfluorenylene, substituted or unsubstituted phenanthrylene, substituted or unsubstituted anthrylene, spiro[cyclopentane-1,9′-fluorenylene], spiro[cyclohexane-1,9′-fluorenylene], substituted or unsubstituted pyridylene, substituted or unsubstituted pyrimidylene, substituted or unsubstituted 9,9-dimethyl-9H-9-silafluorenylene, substituted or unsubstituted dibenzofurylene, substituted or unsubstituted dibenzothienylene, substituted or unsubstituted quinolylene, substituted or unsubstituted isoquinolylene, substituted or unsubstituted carbazolylene, substituted or unsubstituted phenanthrolinylene, and substituted or unsubstituted spirobifluorenylene, or is a subunit group formed by connecting two or three of the above subunits through a single bond;
• and substituents in the L1 are the same as or different from each other, and are each independently selected from the group consisting of deuterium, fluorine, chlorine, cyano, methyl, ethyl, isopropyl, n-propyl, tert-butyl, methoxy, ethoxy, trifluoromethyl, trimethylsilyl, phenyl and naphthyl;
• substituents in Ar1 are the same as or different from each other, and are each independently selected from the group consisting of:
• deuterium, cyano, a halogen group, nitro, a group U, alkoxy with 1 to 12 carbon atoms, haloalkyl with 1 to 12 carbon atoms, alkyl with 1 to 12 carbon atoms, cycloalkyl with 3 to 12 carbon atoms, heterocyclyl with 3 to 12 carbon atoms, alkylsilyl with 3 to 12 carbon atoms, arylsilyl with 6 to 18 carbon atoms, alkylthio with 1 to 12 carbon atoms, aryloxy with 6 to 18 carbon atoms, aralkyl with 7 to 18 carbon atoms, and aryloxy with 6 to 18 carbon atoms, the group U is selected from substituted or unsubstituted aryl with 6 to 30 carbon atoms, or substituted or unsubstituted heteroaryl with 3 to 30 carbon atoms, and substituents in the aryl and the heteroaryl are selected from the group consisting of deuterium, cyano, a halogen group, alkyl with 1 to 12 carbon atoms, alkoxy with 1 to 12 carbon atoms, cycloalkyl with 3 to 12 carbon atoms, haloalkyl with 1 to 12 carbon atoms, alkylsilyl with 3 to 12 carbon atoms, aryl with 6 to 20 carbon atoms, and heteroaryl with 3 to 18 carbon atoms;
• or, in Ar1, when there are two substituents on a same atom, optionally, the two substituents are connected to each other to form a 5- to 18-membered aliphatic ring or a 5- to 18-membered aromatic ring together with the atoms to which they are jointly connected;
• L2 is selected from one of a single bond, substituted or unsubstituted phenylene, substituted or unsubstituted biphenylene, substituted or unsubstituted terphenylene, substituted or unsubstituted naphthylene, substituted or unsubstituted 9,9-dimethylfluorenylene, substituted or unsubstituted phenanthrylene, spiro[cyclopentane-1,9′-fluorenylene], spiro[cyclohexane-1,9′-fluorenylene], substituted or unsubstituted 9,9-dimethyl-9H-9-silafluorenylene, substituted or unsubstituted dibenzofurylene, substituted or unsubstituted dibenzothienylene, and substituted or unsubstituted spirobifluorenylene, or is a subunit group formed by connecting two or three of the above subunits through a single bond;
• and substituents in the L2 are the same as or different from each other, and are each independently selected from the group consisting of deuterium, fluorine, chlorine, cyano, methyl, ethyl, isopropyl, n-propyl, tert-butyl, methoxy, ethoxy, trifluoromethyl, trimethylsilyl, phenyl and naphthyl;
• Ar2 is selected from substituted or unsubstituted aryl with 6 to 30 carbon atoms or
• and the Ar2 is not anthryl;
• wherein, T is selected from O, S, C(R7R8) or Si(R7R8);
• the R7 and the R8 are the same, and the R7 and the R8 are selected from methyl or phenyl;
• or the R7 and the R8 are connected to each other to form a cyclopentane ring, a cyclohexane ring or a fluorene ring together with the atoms to which they are jointly connected;
• R5 and R6 are the same as or different from each other, and are each independently selected from hydrogen, deuterium, a halogen group, cyano, alkyl with 1 to 12 carbon atoms, haloalkyl with 1 to 12 carbon atoms, alkoxy with 1 to 12 carbon atoms, cycloalkyl with 3 to 12 carbon atoms, heterocyclyl with 3 to 12 carbon atoms, alkylsilyl with 3 to 12 carbon atoms, arylsilyl with 6 to 18 carbon atoms, alkylthio with 1 to 12 carbon atoms, aryl with 6 to 18 carbon atoms, dibenzothienyl or dibenzofuranyl;
• and
• n6 represents the number of R6, n6 is selected from 0, 1, 2, 3, 4, 5, 6, 7 or 8;
• and when n6 is greater than 1, any two R6 are the same or different.