π-CONJUGATED COMPOUND, METHOD FOR PRODUCING π-CONJUGATED COMPOUND, INK COMPOSITION, ORGANIC ELECTROLUMINESCENT ELEMENT MATERIAL, LIGHT EMITTING MATERIAL, CHARGE TRANSPORT MATERIAL, LUMINESCENT THIN FILM AND ORGANIC ELECTROLUMINESCENT ELEMENT

摘要

A π-conjugated compound according to the present invention has a structure represented by general formula (1), while having a HOMO level of -5.3 eV or more. (In the formula, M represents CX₁ or a nitrogen atom; each of X₁-X₆ represents an aromatic substituent or an aromatic heterocyclic group; and at least four of the X₁-X₆ moieties are electron-donating fused aromatic ring substituents having 14 or more π-electrons, while at least one of the X₁-X₆ moieties is an electron-donating substituent. Meanwhile, each of the X₁-X₆ moieties may independently have a substituent additionally.)