申请人:Hoffmann-La Roche Inc.
公开号:US04775671A1
公开(公告)日:1988-10-04
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.
公式##STR1##中呈现了化合物,其中A与由α和β表示的两个碳原子一起表示##STR2##中的一组,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表示氢或较低的烷基或R.sup.2和R.sup.3一起表示二甲亚甲基、三甲亚甲基或丙烯亚甲基,R.sup.4和R.sup.5各自表示氢、卤素、三氟甲基、氰基、硝基、氨基或较低的烷基,R.sup.6表示氢或较低的烷基,R.sup.7表示较低的烷基,具有参考碳原子γ时具有(S)或(R,S)构型的公式I的化合物,当R.sup.2和R.sup.3一起表示二甲亚甲基、三甲亚甲基或丙烯亚甲基时,以及其药学上可接受的酸盐具有明显的亲和力中枢苯二氮卓受体,并具有抗焦虑、抗惊厥、肌肉松弛和镇静催眠特性。