9H-Dibenzoimidazodiazepine compounds of the formula: ##SPC1## Wherein R.sub.1 is hydrogen, alkyl, ##SPC2## In which W is H, chlorine, or fluorine, or R.sub.1 is ##EQU1## IN WHICH N IS AN INTEGER OF 2 TO 4, AND R.sub.o ' and R.sub.o ' are hydrogen or alkyl defined as above, or together ##EQU2## IS PYRROLIDINO, PIPERIDINO, N-methylpiperazino, or morpholino, wherein R.sub.3 and R.sub.4 are hydrogen or alkyl as defined above, or, R.sub.3 or R.sub.4 can be ##EQU3## IN WHICH ##EQU4## IS DEFINED AS ABOVE AND WHEREIN R.sub.2 and R.sub.6 are selected from the group consisting of hydrogen, halogen, or -CF.sub.3, are produced by multistep reactions. The compounds of the formula above and the pharmacologically acceptable acid addition salts thereof are useful sedatives and anti-depressants. They can also be administered to mammals to alleviate anxieties and produce tranquilization and sedation.