abstract |
The present invention relates to a novel class of substituted phenylpiperazinyl derivatives having the formula (I) wherein X, Z, Y, U,V, Alk, W, R?1 , R2, R3, R11, R12, R13¿ n, m and the dotted line are as defined in the description. The compounds of the invention are dopamine D¿4? receptor ligands and are therefore useful for the treatment of certain psychiatric and neurologic disorders, including psychosis. |