FIELD: pharmaceutics.SUBSTANCE: invention relates to compounds of formula (I) possessing BACE1 inhibitor property. In general formula (I), X denotes hydrogen or fluorine; A denotes CH or N; Y denotes methyl, ethyl, monofluoromethyl, difluoromethyl, trifluoromethyl, difluoroethyl, methoxy, ethoxy, methoxymethyl or - C≡N.EFFECT: treatment of diseases mediated by activity of BACE1, including neurodegenerative diseases, such as Alzheimer type dementia or Down syndrome.12 cl, 5 tbl, 1 dwg, 18 ex
CONDENSED AMINODIHYDROTHIAZINE DERIVATIVES APPLICABLE AS BACE INHIBITORS