Abstract: The present invention provides novel uses of the compounds of general formula (I) wherein R3 is hydrogen, alkyl or cycloalkyl; R4 is hydrogen or R4 together with R10 represents a bridge; R7 is hydroxy or alkoxy; R10, R11, R12 independently repent hydrogen, trifluoromethyl, halogen or alkyl; or R10 together with R11 represents a bridge, or R11 together with R12 represents a bridge the bridge in both cases being chosen among —O—CH2—CH2—, —O—CH2—CH2—CH2—, —O—CH═CH—, —CH2—CH2—CH2—, —CH2—CH═CH— or —CH2—CH2—CH2—CH2—; R13 is hydrogen, halogen or alkyl; and pharmaceutically acceptable salts thereof in combination with a pharmaceutically acceptable carrier for the manufacture of a pharmaceutical composition for treatment of sleep disorders and/or sleep disturbances.

Abstract: A process for producing a carrier free radio halogenated 3-(5-cyclopropyl-1,2,4-oxadiazol-3-yl)-5,6-dihydro-5-methyl-6-oxo-4H-imida zo[1,5-a][1,4]-benzodiazepine of formula (II) where R.sup.1 is a radioactive halogen and R.sup.1 may be at 7, 8, 9 or 10 substituent. The above compound is used in a pharmaceutical composition for nuclear medicine examination.

Abstract: 2,3,4,5-Tetrahydro-1H-3-benzazepines having the general formula ##STR1## wherein R.sup.1 is Cl or Br; R.sup.3 and R.sup.4 are hydrogen, halogen, CF.sup.3, CN, NO.sub.2, or NH.sub.2.The compounds are useful in treatment of certain disorders in the central nervous system.