Condensed polycyclic aromatic compound, production process of same, and positive electrode active material for lithium ion secondary battery containing same

A condensed polycyclic aromatic compound having at least four imino groups in a molecule thereof which is represented by the following formula (1) or formula (2):

• wherein, in formula (1), R1, R2, R3, R4, R5, R6, R7 and R8 respectively and independently represent a hydrogen atom, substituted or unsubstituted aliphatic hydrocarbon group or substituted or unsubstituted aromatic hydrocarbon group, n represents an integer of 1 to 10, and at least one of R1, R2, R3 or R4 is a substituted or unsubstituted aromatic group;
• and
• wherein, in formula (2), R1, R2, R3, R4, R5, R6, R7 and R8 respectively and independently represent a hydrogen atom, substituted or unsubstituted aliphatic hydrocarbon group or substituted or unsubstituted aromatic hydrocarbon group, n represents an integer of 1 to 10, and at least one of R1, R2, R3 or R4 is a substituted or unsubstituted aromatic group.