[EN] SUBSTITUTED PYRAZOLO[3,4-D]PYRIMIDINE COMPOUNDS, THEIR PREPARATION AND USE AS|SIGMA RECEPTORS LIGANDS<br/>[FR] COMPOSÉS DE PYRAZOLO[3,4-D]PYRIMIDINE SUBSTITUÉS, LEUR PRÉPARATION ET LEUR UTILISATION COMME LIGANDS DES RÉCEPTEURS SIGMA
申请人:ESTEVE LABOR DR
公开号:WO2014076170A1
公开(公告)日:2014-05-22
The present invention relates to new substituted pyrazolo[3,4- d]pyrimidine compounds of general formula (I) having a great affinity for sigma receptors, especially sigma-1 receptor, as well as to the process for the preparation thereof, to compositions comprising them and to their use as medicaments for the treatment of i.a. pain. n is selected from 1, 2, 3 or 4; R1 represents a carbon-linked optionally substituted aryl or heteroaryl radical; R2 and R3 independently represent a hydrogen atom, an optionally substituted aliphatic, cycloalkyl, cycloalkylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl or heterocyclylalkyl radical, or R2 and R3 together with the bridging nitrogen form an optionally substituted heterocycloalkyl or heteroaryl radical.
本发明涉及具有通式(I)的新取代吡唑并[3,4-d]嘧啶化合物,其对sigma受体,特别是sigma-1受体具有高亲和力,以及涉及其制备方法、包含它们的组合物以及它们作为药物用于治疗疼痛等疾病的用途。n选自1、2、3或4;R1代表碳连接的可选取代的芳基或杂芳基基团;R2和R3独立地代表氢原子、可选取代的脂肪族、环烷基、环烷基烷基、芳基、芳基烷基、杂芳基、杂芳基烷基、杂环基或杂环基烷基基团,或者R2和R3与桥接的氮原子一起形成可选取代的杂环烷基或杂芳基基团。