Provided is a 2-(substituted ethynyl)quinoline derivative having an mGluR5 antagonistic activity and pharmaceutically acceptable salts thereof. The compound of the present invention can be useful as a medicament for treating and preventing mGluR5 receptor-mediated diseases such as Alzheimer's disease, senile dementia, Parkinson's disease, L-DOPA-induced dyskinesia, Huntington's chorea, amyotrophic lateral sclerosis, multiple sclerosis, schizophrenia, anxiety disorder, depression, neuropathic pain, drug dependence, fragile X syndrome, autism, migraine and gastroesophageal reflux disease (GERD).
提供的是一种具有mGluR5拮抗活性和其药用盐的2-(取代
乙炔基)
喹啉衍
生物。本发明的化合物可用作治疗和预防mGluR5受体介导的疾病,如阿尔茨海默病、老年性痴呆、帕
金森病、
L-多巴诱导的运动障碍、亨廷顿舞蹈症、肌萎缩侧索硬化、多发性硬化、精神分裂症、焦虑症、抑郁症、神经病性疼痛、药物依赖、脆性X综合征、自闭症、偏头痛和胃食管反流病(GERD)的药物。