Hexahydro-1,4-oxazepines, their preparation, and drugs containing these compounds

摘要

Novel hexahydro-1,4-oxazepines of the general formula I <IMAGE> I where R1 is hydrogen, or alkyl or acyl each of 1 to 4 carbon atoms, R2 is alkyl of 1 to 4 carbon atoms and R3 and R4 are identical or different and each is hydrogen or methyl, and their salts with physiologically acceptable acids, processes for their preparation, drugs which contain these compounds, and their use in therapy. The compounds may be used for the pharmacotherapy of pain of various geneses.