| abstract |
The present invention relates to a kind of compound, it is characterized in that, has the structural formula as shown in formula (1): Wherein, L 1 is a substituted or unsubstituted C6-C30 arylene group or a substituted or unsubstituted C3-C30 heteroarylene group; R 1 represents 1-6 substituents, and R 2 represents 1-3 substitutions group, each R 1 and R 2 are independently selected from H, C1-C12 alkyl, C3-C12 cycloalkyl, C1-C12 alkoxy, halogen, cyano, nitro, hydroxyl, silane base, amino, substituted or unsubstituted C6-C30 arylamino, substituted or unsubstituted C3-C30 heteroarylamino, substituted or unsubstituted C6-C30 aryl, substituted or unsubstituted C3- One of the heteroaryl groups of C30; Ar 2 and Ar 3 are each independently selected from one of substituted or unsubstituted C6-C30 aryl groups, substituted or unsubstituted C3-C30 heteroaryl groups; Ar 1 has the structural formula shown in formula (2): The present invention also relates to organic electroluminescent devices containing the compounds. |