Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1987-08-20
1989-05-30
Gerstl, Robert
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
540557, C07D491056, A61K 3155
Patent
active
048351520
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.
REFERENCES:
patent: 4423044 (1983-12-01), Korosi et al.
patent: 4514740 (1986-09-01), Lang
Andrasi Ferenc
Berzsenyi Pal
Borsi Jozsef
Botka Peter
Elekes Istvan
Biogal Gyogyszergyar
Gerstl Robert
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