申请人:Hoechst-Roussel Pharmaceuticals
公开号:US04624955A1
公开(公告)日:1986-11-25
There are disclosed compounds having the formula ##STR1## wherein R.sub.1 is hydrogen, loweralkyl, arylloweralkyl, aryl or heteroaryl; R.sub.2 is hydrogen or loweralkyl; R.sub.3 is loweralkyl, loweralkoxyloweralkyl, cycloalkyl, arylloweralkyl or heteroarylmethyl; and R.sub.4 is hydrogen or loweralkyl; or a pharmaceutically acceptable acid addition salt thereof, which are useful as anxiolytic agents, methods for synthesizing them, and pharmaceutical compositions comprising an effective amount of such a compound.
公开了具有以下结构式的化合物:##STR1## 其中R.sub.1为氢、低烷基、芳基低烷基、芳基或杂环芳基;R.sub.2为氢或低烷基;R.sub.3为低烷基、低烷氧基低烷基、环烷基、芳基低烷基或杂环芳基甲基;R.sub.4为氢或低烷基;或其药学上可接受的酸加盐,用作抗焦虑剂,以及合成它们的方法和包含有效量该化合物的药物组合物。