The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 27, 1990
Filed:
May. 03, 1989
Applicant:
Inventors:
Assignee:
A/S Ferrosan, Soborg, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514250 ; 544345 ;
Abstract
Heterocyclic dihydroxyquinoxaline compounds having the formula ##STR1## wherein --A-- together with the two carbon atoms denoted as 1 and 2 is selected from ##STR2## R.sup.1, R.sup.2 and R.sup.3 are independently H, halogen, CN, NH.sub.2, NO.sub.2, SO.sub.3 H, SO.sub.2 NH.sub.2, or CONH.sub.2 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.