This invention relates to imidazolidinone compounds of the formula ##STR1## wherein Q is methylene group or a single bond: R is a heterocyclic group selected from the group consisting of pyridyl, pyridazinyl, pyrimidinyl, pyrazinyl and 1,3-thiazolyl which may be unsubstituted or with a substituent selected from the group consisting of lower alkyl, lower alkoxy and halogen atom, wherein R is bonded to Q or, when Q is a single bond, to the imidazolidinone ring, through the carbon atom of R; the ring A is an unsubstituted phenyl or a substituted phenyl having 1 or 2 substituent(s) selected from the group consisting of lower alkyl, lower alkoxy, halogen, lower alkylthio, trihalogeno-lower alkyl and nitro; Y is vinylene group or ethynylene; m is a integer from 1 to 6 and n is 0, 1 or 2, or a pharmacetically acceptable salt thereof. These compounds aer useful as cerebral activators, anti-depressants and nootropic drugs.
本发明涉及公式为 ##STR1## 的
咪唑烷酮化合物,其中 Q 是亚甲基基团或单键;R 是从
吡啶基,
吡啶并嗪基,
嘧啶基,
吡嗪基和1,3-
噻唑基中选择的杂环基团,可以是未取代的或带有从低级烷基,低级烷氧基和卤素原子中选择的取代基,其中 R 通过 R 的碳原子与 Q 或当 Q 是单键时与
咪唑烷酮环连接;环 A 是未取代的苯基或带有1或2个取代基(从低级烷基,低级烷氧基,卤素,低级烷
硫基,三卤代低级烷基和硝基中选择)的取代苯基;Y 是
乙烯基或
乙炔基;m 是1到6的整数,n是0,1或2,或其药学上可接受的盐。这些化合物可用作脑部活化剂,抗抑郁剂和智力药物。