The present invention aims to provide a novel low-molecular-weight compound having an orexin agonist activity, which is expected to be useful as a superior agent for the treatment or prophylaxis of narcolepsy. The present invention provides a compound showing superior orexin agonist activity which is represented by the formula (I)
wherein each symbol is as defined in the DESCRIPTION, and a pharmaceutically acceptable acid addition salt thereof, as well as an orexin agonist containing the compound or a pharmaceutically acceptable acid addition salt thereof.
本发明旨在提供一种具有
奥曲肽激动剂活性的新型低分子量化合物,该化合物有望成为治疗或预防嗜睡症的优质药物。本发明提供了一种具有优异的
奥曲肽激动剂活性的化合物,该化合物由式(I)表示
其中各符号如说明书中所定义,及其药学上可接受的酸加成盐,以及含有该化合物或其药学上可接受的酸加成盐的
奥曲肽激动剂。