申请人:Bayer Aktiengesellschaft
公开号:US04187306A1
公开(公告)日:1980-02-05
The invention covers compounds of the formula ##STR1## in which R.sup.1 and R.sup.5 each represents 0, 1, 2, 3 or 4 of the following substituents: alkyl, hydroxyl, acyloxy, alkoxy, nitro, amino, alkylamino, dialkylamino, acylamino, acylalkylamino, alkoxycarbonylamino, halogen, trifluoromethyl, cyano, carboxyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, aminosulphonyl, alkylaminosulphonyl, dialkylaminoamino, R.sup.2 is hydrogen, optionally substituted alkyl, aralkyl or aryl or heterocyclo-alkyl, acyl or alkoxycarbonyl, and R.sup.3 and R.sup.4 are each hydrogen, or optionally substituted alkyl, aralkyl, aryl or hetero-aryl, are useful as medicaments which have an action on the central nervous system, in particular as, for example, tranquilizers and/or antiamnesics. Also included in the invention are methods for preparing said compounds, compositions containing them and methods for the use of said compounds and compositions.
该发明涵盖了以下式子的化合物 ##STR1## 其中R.sup.1和R.sup.5分别代表以下取代基中的0、1、2、3或4个:烷基、羟基、酰氧基、烷氧基、硝基、氨基、烷基氨基、二烷基氨基、酰基氨基、酰基烷基氨基、烷氧羰基氨基、卤素、三氟甲基、氰基、羧基、烷氧羰基、氨基羰基、烷基氨基羰基、二烷基氨基羰基、氨基磺酰基、烷基氨基磺酰基、二烷基氨基氨基。R.sup.2为氢、可选取代的烷基、芳基烷基或芳基或杂环烷基、酰基或烷氧羰基,R.sup.3和R.sup.4分别为氢或可选取代的烷基、芳基烷基、芳基或杂环芳基。这些化合物作为药物对中枢神经系统有作用,尤其是作为镇静剂和/或抗遗忘药物。该发明还涵盖了制备这些化合物的方法、含有它们的组合物以及使用这些化合物和组合物的方法。