| abstract |
A compound represented by the following formula (1): wherein * a, * b, R 1 , X 1 , L 1 , L 2 , n, A 1 and A 2 are as defined in the specification, ) of the compound (represented by the, * c, * of d, R 1, X 1, L 1, L 2, n, a 1, a 2, Hal 1 and Hal 2 is Hal 2 of the as defined in the specification) the reaction activity introducing a 1 in the reaction conditions which is significantly lower than that Hal 1, followed by a process for producing a compound of formula (1) for introducing the different a 2 and a 1 in the reaction increasing the reaction activity of the Hal 2 conditions . The compound represented by the formula (1) can be formed into a layer by a coating method, and can meet the various characteristic requirements of the EL element. |