申请人:Merck Sharp & Dohme Limited
公开号:US05260293A1
公开(公告)日:1993-11-09
The present invention provides pyrazines, pyridazines or pyrimidines, or salts or prodrugs thereof, substituted on one of the ring carbon atoms thereof with a non-aromatic azacyclic or azabicyclic ring system; and independently substituted on each of the other ring carbon atoms with a substituent of low lipophilicity or a hydrocarbon substituent; which compounds stimulate central muscarinic acetylcholine receptors and therefore are useful in the treatment of neurological and mental illnesses.
本发明提供了吡啶、吡啶嗪或嘧啶,或其盐或前药,其中其中一个环碳原子上取代为非芳香性氮杂环或氮杂双环系统;并且独立地,在其他每个环碳原子上取代为低亲脂性取代基或烃取代基;这些化合物刺激中枢胆碱能受体,因此在治疗神经和精神疾病中是有用的。