TETRAHYDROPYRROLOTHIAZINE DERIVATIVES AS BACE INHIBITORS

摘要

The present invention provides compounds of Formula I useful as BACE inhibitors in the treatment of e.g. Alzheimer's disease: wherein A is selected from the group consisting of; of; R1 is H or F; R2 is H, —OCH3, C1-C3 alkyl; R3 is H, —CH3, or —OCH3; and R4 is H or F; or a pharmaceutically acceptable salt thereof.