Oxadiazole Derivative, and Light Emitting Element, Light Emitting Device, and Electronic Device Using the Oxadiazole Derivative

An oxadiazole derivative represented by a general formula (G2),

• wherein each of α and β1 represents an arylene group having 6 to 25 carbon atoms;
• each of Ar1 and Ar2 represents an aryl group having 6 to 25 carbon atoms;
• and each of R1 and R2 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 25 carbon atoms.

An oxadiazole derivative represented by a general formula (G3),

• wherein α represents an arylene group having 6 to 25 carbon atoms;
• each of Ar1 and Ar2 represents an aryl group having 6 to 25 carbon atoms;
• and each of R1 and R2 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 25 carbon atoms.

An oxadiazole derivative represented by a general formula (G5),

• wherein Ar2 represents an aryl group having 6 to 25 carbon atoms;
• each of R1 and R2 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 25 carbon atoms;
• and each of R5 to R9 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a phenyl group.

An oxadiazole derivative represented by a general formula (G6),

• wherein each of R1 and R2 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 25 carbon atoms;
• each of R5 to R9 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a phenyl group;
• and each of R10 to R14 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or a phenyl group.

An oxadiazole derivative represented by a general formula (G9),

• wherein Ar3 represents an aryl group having 6 to 25 carbon atoms;
• R4 represents an alkyl group having 1 to 4 carbon atoms or an aryl group having 6 to 25 carbon atoms;
• and each of R5 to R9 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a phenyl group.

An oxadiazole derivative represented by a general formula (G10),

• wherein R4 represents an alkyl group having 1 to 4 carbon atoms or an aryl group having 6 to 25 carbon atoms;
• each of R5 to R9 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a phenyl group;
• and each of R10 to R14 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or a phenyl group.

13-31. (canceled)

A light emitting element comprising the oxadiazole derivative according to 2.

A light emitting element, wherein a layer containing the oxadiazole derivative according to 2 is provided to be in contact with a light emitting layer.

A light emitting element comprising the oxadiazole derivative according to 8.