Heterocyclic dihydroxyquinoxaline compounds having the formula ##STR1## wherein R.sup.2 is hydrogen, NO.sub.2, NH.sub.2, CN, halogen, or SO.sub.2 NH.sub.2 ; --X--Y--Z-- is selected from --N.dbd.CR.sup.3 --CR.sup.3 .dbd.N--, --NH--CR.sup.3 .dbd.CR.sup.3 --CR.sup.3 .dbd.N--, wherein R.sup.3 is hydrogen, lower alkyl, or CF.sub.3. The invention also relates to a method of preparing the compounds, pharmaceutical compositions thereof, and their use. The compounds are useful in the treatment of indications caused by hyperactivity of the excitatory neurotransmitters.
具有以下式子的杂环双羟基
喹啉化合物 ##STR1## 其中R.sup.2为氢,NO.sub.2,NH.sub.2,CN,卤素或SO.sub.2 NH.sub.2; --X--Y--Z--从--N.dbd.CR.sup.3--CR.sup.3.dbd.N--,--NH--CR.sup.3.dbd.CR.sup.3--CR.sup.3.dbd.N--中选择,其中R.sup.3为氢,低碳基或CF.sub.3。该发明还涉及制备该化合物的方法,其制药组合物以及它们的用途。该化合物在治疗由兴奋性神经递质的过度活跃引起的症状方面非常有用。