An electrophotographic photoconductor comprises an electroconductive substrate and a photoconductive layer formed thereon comprising as an effective component at least one pyrenylamine derivative of formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, W, j, k, l, m and n are specifically defined in the specification. Furthermore, a novel pyrenylamine derivative for use in the above electrophotographic photoconductor, an aldehyde compound, which is an intermediate for producing the pyrenylamine derivative, and methods of preparing the pyrenylamine derivative and the aldehyde compound are disclosed.
一种电子照相导电体包括一个导电基底和在其上形成的光导层,所述光导层包括至少一种具有式(I)的
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生物作为有效成分:其中R1、R2、R3、R4、R5、W、j、k、l、m和n在说明书中具体定义。此外,还公开了一种用于上述电子照相导电体的新型
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生物,一种醛化合物,该醛化合物是制备
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生物的中间体,以及制备
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生物和醛化合物的方法。