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.
本发明提供了一种化合物,其
化学式为I,可作为
BACE
抑制剂用于治疗例如阿尔茨海默病:其中A选自以下组合中的一种;R1为H或F;R2为H,-O ,C1-C3烷基;R3为H,-
CH3或-O ;R4为H或F;或其药用可接受的盐。