There is presented compounds of the formula ##STR1## wherein A together with the two carbon atoms denoted by .alpha. and .beta. signifies one of the groups ##STR2## and the dotted line signifies the double bond present in cases (1), (2) and (4) and wherein R.sup.1 signifies a 5- or 6-membered aromatic heterocyclic group or the group --C(R.sup.6).dbd.NOR.sup.7 (B), R.sup.2 signifies hydrogen and R.sup.3 signifies hydrogen or lower alkyl or R.sup.2 and R.sup.3 together signify dimethylene, trimethylene or propenylene, R.sup.4 and R.sup.5 each signify hydrogen, halogen, trifluoromethyl, cyano, nitro, amino or lower alkyl, R.sup.6 signifies hydrogen or lower alkyl and R.sup.7 signifies lower alkyl, the compound of formula I having the (S) or (R,S) configuration with reference to the carbon atom denoted by .gamma. when R.sup.2 and R.sup.3 together signify dimethylene, trimethylene or propenylene, and pharmaceutically acceptable acid addition salts thereof have a pronounced affinity to the central benzodiazepine receptors and have anxiolytic, anticonvulsant, muscle relaxant and sedative-hypnotic properties.
提供了公式##STR1##的化合物,其中A与由α和β表示的两个碳原子一起表示下列其中之一的基团##STR2##,虚线表示在情况(1)、(2)和(4)中存在的双键,其中R.sup.1表示5-或6-成员芳香杂环基团或基团--C(R.sup.6).dbd.NOR.sup.7(B),R.sup.2表示氢,R.sup.3表示氢、低碳基或R.sup.2和R.sup.3一起表示二亚甲基、三亚甲基或
丙烯亚甲基,R.sup.4和R.sup.5分别表示氢、卤素、三
氟甲基、
氰基、硝基、
氨基或低碳基,R.sup.6表示氢或低碳基,R.sup.7表示低碳基,公式I的化合物在参考碳原子γ处具有(S)或(R,S)构型,当R.sup.2和R.sup.3一起表示二亚甲基、三亚甲基或
丙烯亚甲基时,并且其药学上可接受的酸盐具有显著的亲和力中央苯二氮平受体,并具有抗焦虑,抗癫痫,肌肉松弛和镇静催眠作用。