Pyrene compound, manufacturing method therefor and electrophotographic photoreceptor containing the pyrene compound

A photoreceptor, comprising at least one of pyrene compounds represented by following general formula (1), (2), (3), (4) and (5):

• ##STR354## wherein X represents a substituted or unsubstituted divalent aromatic ring, and R.sub.1 -R.sub.6 each represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aryloxy group, an aralkyl group, or a substituted or unsubstituted aromatic group, ##STR355## wherein R represents a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aromatic residue, and R.sub.1 -R.sub.6 each represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aryloxy group, an aralkyl group, or a substituted or unsubstituted aromatic group.