The present invention relates to novel substituted 3-(arylsulfonyl)pyrazolo[1,5-a]pyrimidines of general formula 1 pharmaceutically acceptable salts and/or hydrates, to novel serotonin 5-HT6 receptor antagonists, to novel drug substances, pharmaceutical compositions, medicaments and methods for their preparation and use for treatment and prophylaxis of pathological states and diseases of CNS, pathogenesis of which is associated with disturbance of serotonin 5-HT6 receptor activation.
In compounds of general formula 1
Ar represents optionally substituted aryl or heterocyclyl; R1, R2 and R3 independently of each other represent hydrogen, C1-C3 alkyl or phenyl; R4 represents hydrogen, optionally substituted C1-C5 alkyl, substituted hydroxyl group or substituted sulfanyl group.
本发明涉及通式 1 的新型取代 3-(芳基磺酰基)
吡唑并[1,5-a]
嘧啶的药学上可接受的盐和/或
水合物,涉及新型
血清素 5-HT6 受体拮抗剂,涉及新型药物物质、药物组合物、药物及其制备和使用方法,用于治疗和预防中枢神经系统的病理状态和疾病,其发病机制与
血清素 5-HT6 受体激活紊乱有关。
在通式 1 的化合物中
Ar 代表任选取代的芳基或杂环基;R1、R2 和 R3 相互独立地代表氢、C1-C3 烷基或苯基;R4 代表氢、任选取代的 C1-C5 烷基、取代的羟基或取代的
硫基。