SULFUR-CONTAINING HETEROCYCLIC DERIVATIVE HAVING ß-SECRETASE-INHIBITING ACTIVITY

摘要

Disclosed are: a compound represented by formula (I), a pharmaceutically acceptable salt of the compound, or a solvate of the compound or the pharmaceutically acceptable salt thereof; and others, which can be used as therapeutic agents for diseases induced by the production, secretion and/or deposition of amyloid-ß protein. [In the formula, the ring A represents a carbocyclic group which may have a substituent, or a heterocyclic group which may have a substituent; R1 represents a lower alkyl which may have a substituent, or the like; R2a and R2b independently represent a hydrogen, a lower alkyl which may have a substituent, or the like; and R3a and R3c independently represent a hydrogen, a halogen, a hydroxy, a lower alkyl which may have a substituent, or the like.]