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:
Jul. 07, 1981
Filed:
Jul. 26, 1979
Regis DuPont, Paris, FR;
Patrick Lardenois, Bourg-la-Reine, FR;
Claude Morel, Massy, FR;
Jonathan Frost, Palaiseau, FR;
Gabor I Koletar, Berkeley Heights, NJ (US);
Synthelabo, Paris, FR;
Abstract
Derivatives of fluorenes and fluoranthenes, in the form of racemates or of enantiomers, of the formula (I) ##STR1## in which n is 1 or 2, R.sub.1 is a hydrogen or halogen atom or an alkyl or alkoxy radical, R.sub.2 is a hydrogen atom or an alkyl, cycloalkyl, cycloalkylalkyl, benzyl, halogenobenzyl, alkylbenzyl, alkoxybenzyl, acyl, alkoxycarbonyl or alkylaminocarbonyl radical, R.sub.3 is a hydrogen atom or an alkyl radical, R.sub.4 is a hydrogen atom or an alkyl, acyl or aroyl radical, the alkyl and alkoxy radicals or parts of radicals having from 1 to 4 carbon atoms and pharmaceutically acceptable acid addition salts thereof, are therapeutically valuable as anti-anoxia and psychotropic agents.