A bis(2-aryl-5-pyridyl) compound having formula (1) or a salt thereof:
wherein A is a substituted or unsubstituted aromatic hydrocarbon group, and X is a substituent having one of the following formulas (2) to (4):
wherein, in formula (2), R
1
is a hydrogen atom or a di(lower alkyl)amino(lower alkyl) group, and m is an integer of 1 or 2; in formula (3), Y
1
and Y
2
each is a nitrogen atom or a CH group, and n is 0 or an integer of 1 to 6; in formula (4), R
2
and R
3
each is a hydrogen atom or a lower alkyl group, Z represents a single bond, a substituted methylene group, a substituted imino group, an oxygen atom or a cycloalkylene group, and p and q each is 0 or an integer of 1 to 6.
化合物公式为(1)的双(2-芳基-5-
吡啶基)化合物或其盐:其中A是取代或未取代的芳香族
碳氢基团,X是具有以下公式(2)至(4)之一的取代基:在公式(2)中,R1是
氢原子或二(较低烷基)
氨基(较低烷基)基,m为1或2的整数;在公式(3)中,Y1和Y2分别是
氮原子或CH基,n为0或1至6的整数;在公式(4)中,R2和R3分别是
氢原子或较低烷基基团,Z代表单键,取代亚
甲基基团,取代
亚胺基团,
氧原子或
环烷基团,p和q各为0或1至6的整数。