Es wcrden zwei Wcge zur Darstellung des Heterotrizyklus Imidazo[4,chinolin (8b) sowie zwei seiner partiell reduzierten Derivate 5,6,7,8-Tetrahydro-imidazo[4,5-g]chinolin (812) und 4,4a,5,6,7,-8,8a,9-Octahydro-imidazo[4,5-g]chinolin (8d) beschrieben.
Imidazo[4,5-g]quinoln~Two ways for the preparation of the heterotricycle imidazo[4,5-g]quinoline (8b) and two of its partially reduced derivatives, 5,6,7,8-tetrahydr~imidazo[4,5%lquinoline (8c) and 4,4a,5,6,7,8,-8a,9-octahydro-imidazo[4,5-g]quinoline (8d), are described.