Patent ID: 6228547
Filing Date: 2001-05-08
Classification: C07D,G03G

Abstract:
Bis (3,4-methylenedioxyphenylamino) derivatives represented by the following general formula (1): ##STR127##wherein Ar.sup.1 and Ar.sup.2 can be the same or different and each is a phenyl or naphthyl group which can be substituted with one or more lower alkyl groups having 1 to 4 carbon atoms; and Ar.sup.3 represents a divalent aromatic group represented by ##STR128##wherein R.sup.1 and R.sup.2 each represents a hydrogen atom, a lower alkyl group having 1 to 4 carbon atoms, or a phenyl group, provided that when Ar.sup.3 is a phenylene group, one of the amino substituents is meta or para to the other.