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:
Aug. 23, 1983
Filed:
Feb. 11, 1981
Applicant:
Inventors:
Jean-Pierre Kaplan, Chevilly Larue, FR;
Bernard Raizon, Vigneux, FR;
Assignee:
Synthelabo, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564269 ; 424330 ;
Abstract
Benzylidene derivatives of the formula: ##STR1## in which each of X.sub.1, X.sub.2, X.sub.3 and X.sub.4 independently of one another represents hydrogen, halogen, a linear or branched alkyl radical of 1 to 4 carbon atoms, CF.sub.3, NO.sub.2, phenyl, methoxy, or amino, at least two of the substituents X.sub.1, X.sub.2, X.sub.3 and X.sub.4 being different from hydrogen, and R represents a linear or branched alkyl radical of 1 to 16 carbon atoms or an alkenyl radical of 2 to 8 carbon atoms, which may be produced by reaction of the corresponding ketones with an amine, are active on the central nervous system, especially as anti-convulsants.