| abstract |
(57) [Summary] [Object] To provide a novel benzidine compound useful as a charge transport material used in an organic electroluminescence device and the like. [Structure] A benzidine compound represented by the following general formula (1). [Chemical 1] (In the formula, R 1 , R 2 and R 3 may be the same or different and each represents a hydrogen atom, a lower alkyl group or a lower alkoxy group, and R 4 is a hydrogen atom, a lower alkyl group, a lower alkoxy group or chlorine. Represents an atom, and A is the following formula: [Chemical 3] [Chemical 4] [Chemical 5] [Chemical 6] And R 5 represents a hydrogen atom, a methyl group, a methoxy group or a chlorine atom. ) |