申请人:Hoechst-Roussel Pharmaceuticals Inc.
公开号:US04622326A1
公开(公告)日:1986-11-11
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 for alleviating pain and lowering blood pressure, methods for synthesizing them, and pharmaceutical compositions comprising an effective amount of such a compound.
揭示了具有以下结构式的化合物##STR1##其中R.sub.1为氢、较低的烷基、芳基较低的烷基、芳基或杂芳基;R.sub.2为氢或较低的烷基;R.sub.3为较低的烷基、较低的烷氧基较低的烷基、环烷基、芳基较低的烷基或杂芳基甲基;R.sub.4为氢或较低的烷基;或其药学上可接受的酸加合盐,用于缓解疼痛和降低血压,合成它们的方法,以及包含有效量这种化合物的药物组合物。