申请人:Cassella Aktiengesellschaft
公开号:US04898866A1
公开(公告)日:1990-02-06
3-(Thien-2-yl)-piperazin-2-ones, substituted in the 3-position, of the general formula ##STR1## wherein R dentoes, for example, phenyl or (C.sub.1 -C.sub.6)-alkyl and R.sup.1 denotes 2-thienyl and pharmacologically tolerable acid addition salts thereof, which possess valuable nootropic properties. The invention also includes methods for making such compounds, formulations containing such compounds and methods for treating a host in need thereof.
该专利涉及一种具有有价值的智力增强作用的化合物,它们是通式 ##STR1## 中在3位取代的3-(Thien-2-yl)-piperazin-2-ones,其中R代表苯基或(C.sub.1-C.sub.6)-烷基等,R.sup.1代表2-噻吩基,以及其药学耐受性酸盐。该专利还包括制备这些化合物的方法、含有这些化合物的制剂以及治疗需要的宿主的方法。