Oblon, McClelland, Maier & Neustadt, L.L.P.
Fluorene-containing aromatic compound, material for organic electroluminescent element, and organic electroluminescent element using same
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).
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C C H H H C C C C C C C C C C C C
C09B C09B H01L H01L H01L C07D C07D C07D C07D C09B C07D C09B C07D C07D C07D C07D C07D
inventional inventional additional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional
Kei Kazuki Toshinari Mitsunori Toshihiro Yuichiro
Yoshida Nishimura Ogiwara Ito Iwakuma Kawamura