The present invention provides pyrazines, pyridazines or pyrimidines, or salts or prodrugs thereof, substituted on one of the ring carbon atoms therefore 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
吡嗪类、
哒嗪类或
嘧啶类化合物,或其盐类或原药,其中一个环
碳原子被非芳族
氮杂环或
氮杂环环系取代;其他每个环
碳原子分别独立地被低亲脂性取代基或烃类取代基取代;这些化合物可刺激中枢毒蕈碱
乙酰胆碱受体,因此可用于治疗神经和精神疾病。