| abstract |
A pyrenylamine derivative having an unsaturated bond formula (I), which can be employed as an organic photoconductive material for use in electrophotography: <IMAGE> (I) wherein R1, R2, R3, R4, R5, W, l, m, n, j and k are specifically defined in the specification, an aldehyde compound of formula (II), which is an intermediate for preparing the pyrenylamine derivative: <IMAGE> (II) and methods of producing the pyrenylamine derivative and the aldehyde compound are disclosed. |