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.N--N.sup.3 --,--NR.sup.3 --N.dbd.N--,.dbd.N--NR.sup.3 --N.dbd., 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.
具有以下公式的杂环双羟基
喹啉化合物##STR1##
其中R.sup.2是氢,NO.sub.2,NH.sub.2,CN,卤素或SO.sub.2 NH.sub.2; --X--Y--Z--选自--N.dbd.N--N.sup.3 --,--NR.sup.3 --N.dbd.N--,.dbd.N--NR.sup.3 --N.dbd.,其中R.sup.3是氢,较低的烷基或CF.sub.3。本发明还涉及一种制备该化合物的方法,以及其制药组合物和使用方法。该化合物在治疗由兴奋性神经递质引起的症状方面是有用的。