5-HALO-TRYPTAMINE DERIVATIVES USED AS LIGANDS OF THE 5-HT6 AND/OR 5-HT7 SEROTONIN RECEPTORS

摘要

Compounds of Formula (I): (I); wherein: R1 and R2 either the same or different, are H or linear or branched C1-C6 alkyl; R3 = linear or branched C1- C6 alkyl; R4 = halogen, and pharmaceutically acceptable salts thereof are useful as active ingredients in the preparation of medicaments used as ligan ds of the 5-HT6 and/or 5-HT7 serotoninergic receptors.