Organic compound, organic electroluminescent device, and electronic apparatus

An organic compound, having a structure shown in a formula 1:

• wherein * denotes a connection site;
• X is selected from C(R3R4), O or S;
• a group A is selected from substituted or unsubstituted aryl with 6 to 12 carbon atoms;
• L1 is selected from a single bond, substituted or unsubstituted arylene with 6 to 30 carbon atoms, and substituted or unsubstituted heteroarylene with 3 to 30 carbon atoms;
• Ar1 is selected from substituted or unsubstituted aryl with 6 to 30 carbon atoms, and substituted or unsubstituted heteroaryl with 3 to 30 carbon atoms;
• each R1 and each R2 are the same or different, and are respectively and independently selected from deuterium, a halogen group, cyano, alkyl with 1 to 10 carbon atoms, deuterated alkyl with 1 to 10 carbon atoms, haloalkyl with 1 to 10 carbon atoms, aryl with 6 to 20 carbon atoms, deuterated aryl with 6 to 20 carbon atoms, and heteroaryl with 3 to 20 carbon atoms;
• n1 is the number of R1, and is selected from 0, 1, 2, 3, 4, 5, 6 or 7, and when n1 is greater than 1, any two R1 are the same or different;
• n2 is the number of R2, and is selected from 0, 1, 2, 3, 4, 5, 6 or 7, and when n2 is greater than 1, any two R2 are the same or different;
• R3 and R4 are respectively and independently selected from hydrogen, deuterium, alkyl with 1 to 10 carbon atoms or deuterated alkyl with 1 to 10 carbon atoms;
• substituents in the group A are the same or different, and are respectively and independently selected from deuterium, a halogen group, cyano, alkyl with 1 to 4 carbon atoms, deuterated alkyl with 1 to 4 carbon atoms, haloalkyl with 1 to 4 carbon atoms or phenyl;
• and
• substituents in L1 and Ar1 are the same or different, and are respectively and independently selected from deuterium, a halogen group, cyano, alkyl with 1 to 10 carbon atoms, deuterated alkyl with 1 to 10 carbon atoms, haloalkyl with 1 to 10 carbon atoms, aryl with 6 to 20 carbon atoms, heteroaryl with 3 to 20 carbon atoms, cycloalkyl with 3 to 20 carbon atoms, deuterated aryl with 6 to 20 carbon atoms, haloaryl with 6 to 20 carbon atoms, and triarylsilyl with 18 to 24 carbon atoms.