| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to a compound with formula (I) , where Ar1 is an imidazolyl group, which can be substituted with 1-3 substitutes; Ar2 is a pyridinyl group, pyrimidinyl group or phenyl group, which can be substituted with 1-2 substitutes; X1 is (1) -CëC- or (2) double bond etc., which can be substituted, R1 and R2 are, for example, C1-6-alkyl group or C3-8-cycloalkyl group, which can be substituted; or to a pharmacologically acceptable salt of the said compound and pharmaceutical drugs for lowering production of A42, containing formula (I) compound as an active ingredient. ^ EFFECT: wider field of use of the compounds. ^ 26 cl, 1119 ex, 31 tbl |
