A bis(5-aryl-2-pyridyl) compound represented by formula (1) or a salt thereof:
wherein A is a substituted or unsubstituted aromatic hydrocarbyl group or a substituted or unsubstituted aromatic heterocyclic group, and X is a group selected from the group consisting of moieties having formulas (2) to (5):
wherein, in formula (2), m is an integer of 1 or 2; in formula (3), n is an integer of 1 to 6; and in formula (4), R is hydrogen or a lower alkyl group and p is an integer of 1 to 6.
一种由公式(1)表示的双(5-芳基-2-
吡啶基)化合物或其盐:其中A是取代或未取代的芳基烃基团或取代或未取代的芳基杂环基团,X是选择自具有公式(2)至(5)的基团的基团:其中,在公式(2)中,m是1或2的整数;在公式(3)中,n是1至6的整数;在公式(4)中,R是氢或较低的烷基团,p是1至6的整数。