A bis(5-aryl-2-pyridyl) compound represented by formula (1) or a salt thereof:
1
wherein A is a substituted or unsubstituted aromatic hydrocarbon 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):
2
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.
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.
Disclosed are bis(5-aryl-2-pyridyl) derivatives represented by the following formula (1) or salts thereof:
wherein A represents a substituted or unsubstituted aromatic hydrocarbon group or a substituted or unsubstituted aromatic heterocyclic group, and X represents a group selected from the following formulas (2) to (5):
wherein in the formula (2), m stands for an integer of 1 or 2; in the formula (3), n stands for an integer of 1 to 6; in the formula (4), R represents a hydrogen atom or a lower alkyl group and p stands for an integer of 1 to 6. Medicines, IgE antibody production inhibitors, medicinal compositions and treatment methods for allergic immune diseases, all of which make use of the bis(5-aryl-2-pyridyl) derivatives or salts thereof, are also disclosed.