申请人:Akzona Incorporated
公开号:US04224321A1
公开(公告)日:1980-09-23
Novel and biologically active tetracyclic compounds are disclosed of the formula: ##STR1## or a pharmaceutically acceptable non-toxic salt thereof, wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are each hydrogen, hydroxy, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkylthio, halogen, or trifluoromethyl; R.sub.5 is hydrogen or C.sub.1 -C.sub.6 alkyl; and X is oxygen or methylene. Pharmaceutical compositions containing these compounds are disclosed to take advantage of CNS-inhibiting properties thereof, especially sedative and tranquillizing properties.
本发明揭示了下列式的新型和生物活性四环化合物:##STR1## 或其药学上可接受的非毒性盐,其中R.sub.1、R.sub.2、R.sub.3和R.sub.4分别为氢、羟基、C.sub.1-C.sub.6烷基、C.sub.1-C.sub.6烷氧基、C.sub.1-C.sub.6烷硫基、卤素或三氟甲基;R.sub.5为氢或C.sub.1-C.sub.6烷基;X为氧或亚甲基。本发明还揭示了含有这些化合物的制药组合物,以利用其CNS抑制特性,特别是镇静和安定特性。