申请人:Synthelabo
公开号:US05525619A1
公开(公告)日:1996-06-11
1,3,4-Oxadiazol-2(3H)-one derivatives, of formula ##STR1## in which R.sub.1 represents either a hydrogen atom or a linear or branched (C.sub.1-4)alkyl group which is substituted with a hydroxyl group, a phenoxy group, a (C.sub.1-4)alkoxy group, a (C.sub.1-4)alkylthio group, a mercapto group, a (C.sub.1-4)alkoxy-(C.sub.1-4)alkoxy group, a di(C.sub.1-4)alkylamino group or an N-(C.sub.1-4)alkyl-N-propynylamino group, or represents a (C.sub.3-4)alkynyl group, and R.sub.2 either represents a linear or branched (C.sub.1-8)alkyl group which is substituted with one or more halogen atoms and/or a hydroxyl group, a 1-imidazolyl group or a 3-tetrahydropyranyl group, or represents a trifluoro(C.sub.3-5)alkenyl group, in the form of pure enantiomers or mixtures of enantiomers, including racemic mixtures, as well as the addition salts thereof with pharmaceutically acceptable acids, are useful as inhibitors of monoamine oxidase B.
公式为##STR1##的1,3,4-噁二唑-2(3H)-酮衍生物,其中R.sub.1表示氢原子或线性或支链(C.sub.1-4)烷基,该烷基被羟基,苯氧基,(C.sub.1-4)烷氧基,(C.sub.1-4)烷基硫基,巯基,(C.sub.1-4)烷氧基 -(C.sub.1-4)烷氧基,二(C.sub.1-4)烷基氨基或N-(C.sub.1-4)烷基-N-丙炔基氨基取代,或表示(C.sub.3-4)炔基;R.sub.2表示线性或支链(C.sub.1-8)烷基,该烷基被一种或多种卤素原子和/或羟基,1-咪唑基或3-四氢吡喃基取代,或表示三氟(C.sub.3-5)烯基,以纯对映体或对映体混合物的形式存在,包括外加药物可接受酸盐,作为单胺氧化酶B的抑制剂。