ANELLATED beta -CARBOLINES

摘要

Described are compounds of formula (I), wherein A is a 5-6 membered unsaturated ring in which 1-2 C atoms can be substituted by N, O and/or S and which can be substituted with R<5> and R<6>, and the method for preparing them. Because of their affinity for benzodiazepine receptors, the compounds of formula (I) as well as their salts can be used as drugs. They have different intrinsic efficacy (i.e. agonistic, antagonistic and/or inversely agonistic efficacy) with different isoforms of the GABA benzodiazepine receptor.