申请人:Hoffmann-La Roche Inc.
公开号:US04146537A1
公开(公告)日:1979-03-27
The present invention concerns compounds of the formula ##STR1## wherein X is hydrogen or halogen; R.sub.1 is hydrogen, halogen or trifluoromethyl; R.sub.2 is hydrogen or lower alkyl; and R.sub.3 is hydrogen, --COO lower alkyl or CON(R.sub.4).sub.2 wherein R.sub.4 is lower alkyl or hydrogen and may be different, And the pharmaceutically acceptable salts thereof. Also provided are methods for the preparation of these compounds as well as pharmaceutical formulations which contain the active compounds of this invention. The compounds of the formula illustrated above are useful as anxiolytics, anticonvulsants, muscle relaxants and sedative agents.
本发明涉及以下式子的化合物:##STR1##
其中X为氢或卤素;R.sub.1为氢,卤素或三氟甲基;R.sub.2为氢或低碳基;R.sub.3为氢,--COO低碳基或CON(R.sub.4).sub.2,其中R.sub.4为低碳基或氢,且可以不同,并且其药学上可接受的盐。还提供了制备这些化合物的方法以及含有本发明活性化合物的制药配方。上述式子的化合物可用作抗焦虑剂,抗癫痫药,肌肉松弛剂和镇静剂。