A series of N-aralkyltroponylpiperazine derivatives were synthesized and evaluated for dopaminergic activity in rats rendered hypokinetic by the bilateral injection of 6- hydroxydopamine (6-OHDA) into the anterolateral hypothalamus. Several members of the series were active, and a structure-activity relationship is presented. A few selected compounds were also evaluated with regard to their ability to induce contralateral ...