A compound represented by the general formula (I): or a pharmaceutically acceptable salt thereof, has an Aβ production inhibitory effect or a BACE1 inhibitory effect and is useful as a prophylactic or therapeutic agent for a neurodegenerative disease caused by Aβ and typified by Alzheimer-type dementia.
化合物的一般式(I)或其药学上可接受的盐,具有Aβ产生抑制作用或
BACE1抑制作用,并且在预防或治疗由Aβ引起的、以阿尔茨海默型痴呆症为代表的神经退行性疾病方面是有用的。