| abstract |
A heteroacene compound useful as an organic semiconductor material and an organic electronic device using the compound are provided. A heteroacene compound having a skeleton represented by the following formula (1), an organic semiconductor material containing the compound, and an organic electronic device using the organic semiconductor material. In the formula (1), the ring structure A represents a five-membered heterocyclic ring represented by the formula (2) condensed with an adjacent ring, X is O, S or NZ, Z is an alkyl group, a cycloalkyl group , An alkenyl group, an alkynyl group, an aromatic hydrocarbon group or an aromatic heterocyclic group, and R is a hydrogen atom, an alkyl group, an aromatic hydrocarbon group or an aromatic heterocyclic group. |