The present invention relates to compounds of formula (I) inhibiting P2X purinoceptor 3; particularly the invention relates to compounds that are phthalazine derivatives, methods of preparing such compounds, pharmaceutical compositions containing them and therapeutic use thereof. The compounds of the invention may be useful in the treatment of many disorders associated with P2X3receptors mechanisms, such as respiratory diseases including cough, asthma, idiopathic pulmonary fibrosis (IPF) and chronic obstructive pulmonary disease (COPD).
本发明涉及一种公式(I)的化合物,该化合物抑制P2X
嘌呤受体3; 特别地,本发明涉及
邻苯二甲酸咪唑衍
生物,制备这种化合物的方法,包含它们的制药组合物以及它们的治疗用途。本发明的化合物可能对与P2X3受体机制相关的许多疾病的治疗有用,例如呼吸系统疾病,包括咳嗽,哮喘,特发性肺纤维化(IPF)和慢性阻塞性肺疾病(
COPD)。