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:
Oct. 06, 1992
Filed:
Jun. 05, 1991
Loretta A McQuaid, Indianapolis, IN (US);
Charles H Mitch, Indianapolis, IN (US);
Paul L Ornstein, Indianapolis, IN (US);
Darryle D Schoepp, Indianapolis, IN (US);
Edward C Smith, Indianapolis, IN (US);
Eli Lilly and Company, Indianapolis, IN (US);
Abstract
Excitatory amino acid receptor antagonists and methods for the use thereof are disclosed. The antagonists include compounds having the preferred formula: ##STR1## in which: each of A.sub.1, A.sub.2 and A.sub.3 is independently either C or N, except that at least one of A.sub.1, A.sub.2 and A.sub.3 is N; one of A.sub.4 and A.sub.5 is C and the other is N; each R.sub.1 and R.sub.2 is independently hydrogen, halogen, CN, NO.sub.2, alkyl, aromatic, azido or CF.sub.3 ; and R.sub.3 is hydrogen, alkyl, aromatic or CF.sub.3. Also included are the tautomers thereof, and the pharmaceutically acceptable salts of (III) and (IV) and the tautomers thereof. These compounds are useful as EAA antagonists for blocking one or more EAA receptors, as neurological disorders associated with EAA receptors.