Benzodiazepines of formula ##STR1## in which R.sub.1 is H of halogen, R.sub.2 is H or halogen, Ar is indolyl, phenyl, naphthyl, indolyl monosubstituted with a halogen or with a methoxy or phenyl mono-, di- or trisubstituted with a halogen or with a methoxy or with a trifluoromethyl group, and n is 2 or 3; and their optical isomers.
式为##STR1##的苯二氮平类药物,其中R.sub.1为氢或卤素,R.sub.2为氢或卤素,Ar为
吲哚基、苯基、
萘基、单卤代
吲哚基或单
甲氧基苯基、双卤代苯基、三卤代苯基、双
甲氧基苯基或三
氟甲基苯基的
吲哚基,n为2或3;以及它们的光学异构体。