| 摘要 |
<p>A compound represented by the general formula (I) or a pharmaceutically acceptable salt thereof or a solvate thereof, wherein Ring A is a C aryl group or the like, L is -NRCO- or the like (wherein R is a hydrogen atom or the like), Ring B is a C aryl group or the like, X is a C alkylene group or the like, Y is a single bond or the like, Z is a C alkylene group or the like, R, R and R are each independently a hydrogen atom or the like, and R, R, R and R are independently a hydrogen atom, a halogen atom or the like, has an Aβproduction inhibitory effect or a BACE1 inhibitory effect and is useful as a prophylactic or therapeutic agent for a neurodegenerative disease caused by Aβand typified by Alzheimer-type dementia.</p> |
