A fluorene-containing aromatic compound represented by a formula (1) below.
In the formula (1): Nr1 represents a substituted or unsubstituted monocyclic nitrogen-containing aromatic ring having 2 to 5 ring carbon atoms, or a bicyclic nitrogen-containing aromatic ring having 2 to 9 ring carbon atoms; Ar represents an aromatic ring and the like; Fl1 and Fl2 represent a fluorenyl group; and Cz1 and Cz2 represent a carbazolyl group. A compound represented by a formula (2) below is omitted from the fluorene-containing aromatic compound represented by the formula (1).
由下式(1)代表的含
芴芳香化合物。
在式 (1) 中Nr1 代表具有 2 至 5 个环碳原子的取代或未取代的单环含氮芳香环,或具有 2 至 9 个环碳原子的双环含氮芳香环;Ar 代表芳香环等;Fl1 和 Fl2 代表
芴基;Cz1 和 Cz2 代表
咔唑基。由式(1)代表的含
芴芳香化合物省略了下式(2)代表的化合物。