一种新型三芳胺衍生物的合成及性能研究

Synthesis and Properties of a Novel Triarylamine Derivative

以9,9-二甲基-2-氨基芴为原料,通过Buchwald-hartwig反应,分别与4-溴联苯和3-(4-溴苯基)-N-苯基咔唑进行C-N偶联,合成N-联苯-4-基-9,9-二甲基-N-[4-(9-苯基-9H-咔唑-3-基)苯基]-9H-芴-2-胺。采用红外、核磁对其结构进行表征,通过TG、DSC对其热稳定性进行研究,使用紫外和荧光光谱对其光学性能进行表征。结果表明:该化合物具有较好的热稳定性,发射峰位置在422nm,是一种较好的蓝光材料。

A novel triarylamine derivative N-[1,1’-biphenyl]-4-yl-9,9-dimethyl-N-[4-(9-phenyl-9 H-carbazol-3-yl)phenyl]-9 H-fluoren-2-amine is synthesized by Buchwald-hartwig C-N coupling reaction from 9,9-dimethyl-2-aminofluorene,4-bromobiphenyl and 3-(4-bromophenyl)-N-phenylcarbazole.The structures of target compounds are characterized by IR and NMR.The results of TG and DSC analysis show that the com-pounds have good thermal stability.Its emission peak is at 422 nm.The UV and fluorescence spectra of the compounds indicate that the materials is a kind of good blue-light emitting material.