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:
Jun. 06, 1989
Filed:
Aug. 26, 1987
Applicant:
Inventors:
Leif H Jensen, Copenhagen, DK;
Per Sauerberg, Valby, DK;
Frank Watjen, Vaerlose, DK;
Jens W Kindtler, Kokkedal, DK;
Assignee:
A/S Ferrosan, Soberg, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
514340 ; 514326 ; 546277 ; 546210 ;
Abstract
New piperidine compounds having the formula ##STR1## wherein at least one of R.sup.3, R.sup.4, and R.sup.5 are ##STR2## and the other independently are H, C.sub.1-6 -alkyl, wherein R' is H, C.sub.1-8 -alkyl, phenyl, thienyl, cyclopropyl, or C.sub.1-3 -alkoxymethyl; and R.sup.1 and R.sup.6 independently are H or C.sub.1-6 -alkyl, and wherein ##STR3## and salts thereof with pharmaceutically-acceptable acids. The new compounds are useful in improving the cognitive functions of the forebrain and hippocampus of mammals, and are therefore useful in the treatment of Alzheimer's disease.