The 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 and key intermediates used in the process. 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.
本发明涉及公式(I)的新的
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、外消旋体、对映体、非同分异构体、溶剂化物和
水合物,它们作为
GABAB受体正向变构调节剂。本发明还涉及制备这种化合物的过程和用于该过程的关键中间体。本发明还涉及包含这种化合物的药物组合物,可选地与两种或两种以上不同的治疗剂联合使用,并且用于治疗由
GABAB受体正向变构机制介导和调节的疾病和病况的方法。本发明还提供了一种制造对治疗这种疾病有用的药物的方法。