This invention relates to substituted 1,5-benzodiazepines having the formula ##SPC1## Wherein R.sub.1 and R.sub.2 are hydrogen or substituents, R.sub.3 is hydrogen or substituents, R.sub.4 is methyl or aryl group, As well as the process of producing the same. The compounds of the invention are tranquillizing analgesic, antipyretic and anti-inflammatory agents.