Quinoxaline compounds and their preparation and use
申请人:NOVO NORDISK A/S
公开号:EP0377112A1
公开(公告)日:1990-07-11
Heterocyclic dihydroxyquinoxaline compounds having the formula
wherein
R¹ is hydroxy, alkoxy, aryloxy, aralkyloxy, cycloalkylalkoxy, cycloalkoxy, or acyloxy; and
R⁵, R⁶, R⁷ and R⁸ independently are hydrogen, NO₂, halogen, CN, SO₂NR′R′, SO₂R′, CF₃, or OR′, wherein R′ is hydrogen or C1-4-alkyl.
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, particularly the quisqualate receptors, and especially as neuroleptics.