The imidazopyridines of formula
wherein Ar represents a radical of the formula
Z represents a radical of the formula
The compounds are seterotonergic 5-HT₃ antagonists. As such they are useful for the treatment of humans and animals wherein antagonism of 5-HT₃ receptors is beneficial. Therapy is indicated for, but not limited to, the treatment of anxiety, psychoses, depression (especially depression accompanied by anxiety), cognitive disorders, substance abuse dependence and withdrawal, gastrointestinal motility disturbancies (including esophageal reflux, dyspepsia, gastric stasis, irritable bowel syndrome), emesis caused by chemotherapeutic agents, and visceral pain. Additionally, the compounds of the present invention may find utillity as enhancers of nasal absoption of bioactive compounds.
式中的
咪唑并
吡啶
其中 Ar 代表式中的基团
Z 代表式中的一个基团
这些化合物是刚胺能 5-HT₃
拮抗剂。因此,它们可用于治疗对 5-HT₃ 受体拮抗有益的人类和动物。治疗适用于但不限于焦虑症、精神病、抑郁症(尤其是伴有焦虑的抑郁症)、认知障碍、药物滥用依赖和戒断、胃肠道运动紊乱(包括食管反流、消化不良、胃淤血、肠易激综合征)、化疗药物引起的呕吐以及内脏疼痛的治疗。此外,本发明的化合物还可用作
生物活性化合物的鼻吸收
促进剂。