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:
Mar. 21, 1978
Filed:
Jul. 27, 1977
Paul Croisier, Waterloo, BE;
Ludovic Rodriquez, Brussels, BE;
U C B, Societe Anonyme, Brussels, BE;
Abstract
New physiologically active 1,2,4,5-tetrahydro-3H-2-benzazepin-3-ones having the general formula ##STR1## wherein R.sub.1 is hydrogen or phenyl, R.sub.2 is hydrogen, alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.1 -C.sub.4 -acyl, hydroxyalkyl, alkoxyalkyl, mono- or dialkylaminoalkyl, cyanoalkyl, alkoxyacetyl, carbamoylalkyl, acetamido-C.sub.2 -C.sub.5 -alkyl, alkoxycarbonylalkyl or (tetrahydro-2H-pyran-2-yloxy)alkyl, the alkyl and the alkoxy radicals having 1 to 5 carbon atoms, R.sub.4 is hydrogen or C.sub.1 -C.sub.4 -alkyl, R.sub.5 is hydrogen, C.sub.1 -C.sub.4 -alkyl or phenyl, R.sub.7 is hydrogen, halogen or C.sub.1 -C.sub.4 -alkoxy and R.sub.8 is hydrogen, halogen or C.sub.1 -C.sub.4 -alkyl, at least one of the symbols R.sub.1 to R.sub.8 being other hydrogen, processes for the preparation thereof and pharmaceutical compositions containing the same. In particular, the compounds of this invention are useful in the treatment of memory disorders.