Patent ID: 7291627

Claim:
Compounds of dihydroimidazo[5,1-a]-β-carboline with general formula (I): in which: R 1 , R 2 , R 3 and R 4 , which may be identical or different, independently represent a hydrogen atom, a halogen atom, a linear or branched (C 1 -C 6 ) alkyl group, a hydroxyl group, a linear or branched (C 1 -C 6 ) alkoxy group, a linear or branched trihalogeno (C 1 -C 6 ) alkyl group, a linear or branched trihalogeno (C 1 -C 6 ) alkoxy group, a nitro group, a cyano group, an amino group, a linear or branched (C 1 -C 6 ) alkylamino group, a linear or branched di (C 1 -C 6 ) alkylamino group, an aryl group, a linear or branched aryl (C 1 -C 6 ) alkyl group, a carboxyl group, a linear or branched (C 1 -C 6 ) alkylcarbonyloxy group, a linear or branched (C 1 -C 6 ) acyl group, an aryloxy group or a linear or branched aryl (C 1 -C 6 ) alkoxy group; R 5 represents a hydrogen atom, a linear or branched (C 1 -C 6 ) alkyl group or a linear or branched aryl (C 1 -C 6 ) alkyl group; and R 6 and R 7 , which may be identical or different, independently represent a hydrogen atom, a halogen atom, a linear or branched (C 1 -C 6 ) alkyl group, a hydroxyl group, a linear or branched (C 1 -C 6 ) alkoxy group, a linear or branched trihalogeno (C 1 -C 6 ) alkyl group, a linear or branched trihalogeno (C 1 -C 6 ) alkoxy group, a cyano group, an amino group, a linear or branched (C 1 -C 6 ) alkylamino group, a linear or branched di (C 1 -C 6 ) alkylamino group, an aryl group, a linear or branched aryl (C 1 -C 6 ) alkyl group, a carboxyl group, a linear or branched (C 1 -C 6 ) alkylcarbonyloxy group, a linear or branched (C 1 -C 6 ) acyl group, an aryloxy group, or a linear or branched aryl (C 1 -C 6 ) alkoxy group; with the exception, however, of compounds with general formula I in which R 1 to R 6 represent a hydrogen atom and R 7 represents a CH 3 group or a phenyl group; their isomers and their addition salts with a pharmaceutically acceptable acid.