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. 07, 1994
Filed:
Jul. 16, 1993
Hans Bruderer, Biel-Benken, CH;
Thierry Godel, Reinach, CH;
Rene Imhof, Gipf-Oberfrick, CH;
Roland Jakob-Roetne, Inzlingen, DE;
Hoffmann-La Roche Inc., Nutley, NJ (US);
Abstract
The invention relates to cis-2,3,3a,4,5,9b-Hexahydro-1H-benzo[b]indole derivatives of the formula ##STR1## wherein R.sup.1 is a residue of the formula --O--CO--NR.sup.4 R.sup.5, R.sup.2 is lower alkyl, lower cycloalkyl or lower alkyl substituted by lower cycloalkyl, aryl, aroyl, aroylamino, amino or by a cyclic amino, amide or imide group, R.sup.3 is hydrogen or lower alkyl, R.sup.4 is lower alkyl and R.sup.5 is hydrogen or lower alkyl, the corresponding trans isomers or cis-trans isomeric mixtures and pharmaceutically acceptable salts thereof. These compounds and salts are especially suitable for the treatment or prophylaxis of cognitive disorders and senile dementia particularly, Alzheimer's disease, and for the improvement of memory capacity.