| abstract |
The present invention relates to compounds of the general formula, wherein is a 5 or 6-membered aromatic or heteroaromatic ring; R1 is cycloalkyl or is aryl or heteroaryl, wherein at least one ring is aromatic in nature, unsubstituted or substituted by 1 to 3 substituents selected from the group consisting of halogen, lower alkyl, lower alkyl substituted by halogen, lower alkoxy, lower alkoxy substituted by halogen, -C(O)-lower alkyl, -S(O)2-lower alkyl, nitro or cyano; R2 is hydrogen or lower alkyl; R3 is hydrogen or lower alkyl; R4 is halogen, lower alkyl, lower alkyl substituted by halogen, lower alkoxy, lower alkoxy substituted by halogen or nitro; R5 is hydrogen, halogen, lower alkyl or lower alkyl substituted by halogen; X is a bond, -(CH2)m-, -CH2O- or -CH2NH-; the dotted line denotes a bond or not; n is 1 or 2; m is 1, 2 or 3; and pharmaceutically acceptable acid addition salts thereof and their use in the treatment of neurological and neuropsychiatric disorders. |