Aromatic diamine compounds

摘要

An aromatic diamine compound represented by formula (1): <IMAGE> (1) wherein R1 and R2, which may be the same or different, are each a hydrogen atom or a lower alkyl group; and an aromatic diamine compound useful as an intermediate for the synthesis of the above compound (1), represented by formula (2): <IMAGE> (2) The compound (1) alleviates the problems of the prior art, and is unlikely to cause crystallization by heat and has a melting point and a glass transition temperature both higher than those of conventional compounds.