The present invention is directed to novel inhibitors of the BACE1 enzyme. Separate aspects of the invention are directed to pharmaceutical compositions comprising said compounds and uses of the compounds to treat disorders for which the reduction of Aβ deposits is beneficial such as Alzheimer’s disease.本發明針對BACE1酶之新穎抑制劑。本發明之單獨方面針對包括所述化合物之藥物組成物以及該等化合物治療多種障礙,例如阿茲海默症之用途,對該等障礙而言A β沈積物之減少是有益的。