Phenyl-imadazolidinone derivatives, their preparation and pharmaceutical compositions containing them

摘要

The invention relates to new derivatives of 1-imidazolylalkyl-3-phenyl-imidazolidin-2-ones of general formula (I) (I) wherein n is 1, 2 or 3; each of R, R1 and R2, which may be the same or different, is hydrogen, halogen, hydroxy, cyano, C1-C6 alkyl, CF3, C1-C6 alkoxy, C1-C6 alkylthio, formyl, C2-C6 alkanoyl, carboxy, C1-C6 alkoxy-carbonyl, nitro, -N(R4 R5) in which each of R4 and R5 independently is hydrogen C1-C6 alkyl formyl or C2-C6 alkanoyl; or a (R6 R7)N-SO2 group, in which each of R6 and R7 independently is hydrogen or C1-C6 alkyl; R3 is an imidazolyl group of formula wherein each of R8 and R10 which may be the same or different is hydrogen or C1-C6 alkyl, R9 is hydrogen, C1-C6 alkyl or a nitrogen protecting group, or pharmaceutically acceptable salts thereof, which are useful in the treatment of CNS disorders, such as, e.g., anxiety and psychosis, and in the treatment of gut motility disorders, and/or emesis.