There are provided a hydrazone compound represented by formula (I), an electrophotographic photoreceptor which has a photosensitive layer containing the compound on an electrically conductive support, and an organic electroluminescent element containing the compound as a charge transporting material:
wherein Ar₁ represents a substituted or unsubstituted phenylene group, a substitued or unsubstituted naphthylene group, a substitued or unsubstituted biphenylene group, or a substituted or unsubstituted anthrylene group, Ar₂ represents a substituted or unsubstituted aryl group, R₁ and R₂ each independently represents a hydrogen atom, a halogen atom, an unsubstituted alkyl group, or an unsubstituted alkoxy group, R₃ represents an unsubstituted alkyl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted aryl group, Z represents an ethylene group or a vinylene group, and n is 0 or 1.
本文提供了一种由式 (I) 表示的
腙化合物、一种电致发光感光元件(该感光元件在导电支架上具有含有该化合物的感光层)以及一种含有该化合物作为电荷传输材料的有机电致发光元件:
其中 Ar₁ 代表取代或未取代的亚
苯基、取代或未取代的亚
萘基、取代或未取代的联
苯基或取代或未取代的
蒽基,Ar₂ 代表取代或未取代的芳基,R₁ 和 R₂ 各自独立地代表
氢原子、卤素原子、未取代的烷基或未取代的烷
氧基,R₃ 代表未取代的烷基、取代或未取代的芳基或取代或未取代的芳基,Z 代表
乙烯基或
乙烯基,n 为 0 或 1。