| abstract |
The present invention provides a novel low molecular weight compound that suppresses the production of amyloid beta (Aβ). Formula (I) [Where: Ring A represents an optionally substituted triazolyl group and the like, Ring B represents an optionally substituted phenyl group or the like, X 1 represents a single bond or the like, R 1 and R 2 represent a C 1-6 alkyl group or the like, m represents an integer of 0-3, n represents an integer of 0-2] or a pharmacologically acceptable salt or ester is effective as a therapeutic agent for diseases caused by Aβ. [Selection figure] None |