Author(s): Leopoldo M, Lacivita E, Colabufo NA, Contino M, Berardi F,
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Abstract Structure-affinity relationships of N-[4-(4-arylpiperazin-1-yl)butyl]arylcarboxamides as D3 receptor ligands have been well characterized but not structure-activity relationships. In a first attempt to clarify this issue, seven 1-(2,3-dichlorophenyl)piperazine derivatives and their 2-methoxyphenyl counterparts were prepared by varying the arylcarboxamide moiety. They were tested for D3 receptor binding affinities and in the Eu-GTP binding assay in order to evaluate their intrinsic activity. We have found that the intrinsic activity strongly depended on the nature of the arylcarboxamide moiety.
This article was published in J Med Chem
and referenced in Biochemistry & Analytical Biochemistry