9-phenyl-5,6-dihydro-4H-imidazo(2',1':2,3)imidazo-(4,5,1-ij)quinoline and 8-phenyl-4,5-dihydroimidazo-(1,2-a)pyrrolo(1,2,3-cd)benzimidazole derivatives their preparation and pharmaceutical compositions containing them

摘要

5,6-Di:hydroxy-4H-imidazo-2',1':2,3-imidazo-4,5,1-ij- quinoline and 4,5-dihydroimidazo-1,2-a-pyrrolo-1,2,3-cd-benzimidazole derivs. of formula (I), in the form of base or salt are new. n = 1 or 2; X = H or one or two of F, Cl, OH or 1-3C alkyl or alkoxy; R = H, -CH2-CO2-R1 or -CH2-CO-NR2R3; R1 = H or 1-6C alkyl; R2, R3 = H or 1-3C alkyl.