The present invention relates to new pyrazolo[1,5-a]pyrimidine derivatives of formula (I) or pharmaceutically acceptable salts, biologically active metabolites, pro-drugs, racemates, enantiomers, diastereomers, solvates and hydrates thereof that serve as GABAB receptor positive allosteric modulators. The invention also relates to the process for producing such compounds. The invention further relates to pharmaceutical compositions comprising such compounds optionally in combination with two or more different therapeutic agents and the use of such compounds in methods for treating diseases and conditions mediated and modulated by the GABAB receptor positive allosteric mechanism. The invention also provides a method for manufacture of medicaments useful in the treatment of such disorders.
本发明涉及通式(I)的新型
吡唑并[1,5-a]
嘧啶衍
生物或其药学上可接受的盐、
生物活性代谢物、前药、消旋体、对映体、非对映体、溶剂合物和
水合物,它们作为
GABAB受体的正变构调节剂。本发明还涉及制备此类化合物的方法。本发明进一步涉及包含此类化合物的药物组合物,可选择性地与两种或更多种不同的治疗剂组合,以及此类化合物在治疗由
GABAB受体正变构机制介导和调节的疾病和病症的方法中的用途。本发明还提供了一种用于制造治疗此类疾病的药物的方法。