Oblon, McClelland, Maier & Neustadt, L.L.P.
Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device
A compound represented by formula (1) provides a high performance organic electroluminescence device and a novel material for realizing such an organic electroluminescence device: wherein R1 to R6, a to f, L1 to L3, and Ar are as defined in the description. 
IDEMITSU KOSAN CO., LTD.
C C H C C H C C C C H H C C H H
C07C C07C H01L C09K C09K H01L C07C C07C C09K C09K H01L H01L C07C C07C H01L H01L
additional additional additional inventional additional inventional additional additional additional additional inventional additional inventional additional inventional inventional
Masahiro Hirokatsu Tomoki Taro
Kawamura Ito Kato Yamaki