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:
May. 30, 1989
Filed:
Aug. 20, 1987
Jeno Korosi, Budapest, HU;
Tibor Lang, Budapest, HU;
Ferenc Andrasi, Budapest, HU;
Pal Berzsenyi, Budapest, HU;
Peter Botka, Budapest, HU;
Tamas Hamori, Budapest, HU;
Katalin G Horvath, Budapest, HU;
Jozsef Borsi, Budapest, HU;
Istvan Elekes, Budapest, HU;
Zsuzsanna L Rihmer, Budapest, HU;
Biogal Gyogyszergyar, Debrecen, HU;
Abstract
The invention relates to new 1-(4-aminophenyl)-4-methyl-7,8-methylenedioxy-3,4-dihydro-5H-2,3-benzodiaz epi ne of formula (1), optically active isomers and acid addition salts thereof as well as to pharmaceutical compositions containing these compounds. ##STR1## The new compounds of formula (I) can be prepared by reducing 1-(4-aminophenyl)-4-methyl-7,8-methylenedioxy-5H-2,3-benzodiazepine of formula (II) with an inorganic or organic-inorganic and/or complex metal hydride and, if desired, separating the optically active forms of the compound of formula (I) thus-obtained and, if desired, converting the base or bases into acid addition salts or converting the salts into the free bases(s). ##STR2## The new compound of formula (I) possesses significant central nervous effects and can advantageously be used in the therapy.