| abstract |
To provide a compound for further improving the performance of an organic EL device, an organic electroluminescent device with improved device performance, and an electronic device comprising such an organic electroluminescent device, and a compound represented by the following formula (1): (Wherein, N * , Ar, * a, R 11 to R 15 , R 21 to R 27 , R 31 to R 37 , R 41 to R 45 and R 51 to R 55 are as defined in the specification.) , an organic electroluminescent device comprising the compound, and an electronic device comprising such an organic electroluminescent device. |