Synthesis, binding affinity and SAR of new benzolactam derivatives as dopamine D3 receptor ligands

A series of new benzolactam derivatives was synthesized and the derivatives were evaluated for their affinities at the dopamine D(1), D(2), and D(3) receptors. Some of these compounds showed high D(2) and/or D(3) affinity and selectivity over the D(1) receptor. The SAR study of these compounds revea...

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Veröffentlicht in:Bioorganic & medicinal chemistry letters 2009-03, Vol.19 (6), p.1773-1778
Hauptverfasser: ORTEGA, Raquel, RAVINA, Enrique, MASAGUER, Christian F, AREIAS, Filipe, BREA, José, LOZA, Maria I, LOPEZ, Laura, SELENT, Jana, PASTOR, Manuel, SANZ, Ferran
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Sprache:eng
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Zusammenfassung:A series of new benzolactam derivatives was synthesized and the derivatives were evaluated for their affinities at the dopamine D(1), D(2), and D(3) receptors. Some of these compounds showed high D(2) and/or D(3) affinity and selectivity over the D(1) receptor. The SAR study of these compounds revealed structural characteristics that decisively influenced their D(2) and D(3) affinities. Structural models of the complexes between some of the most representative compounds of this series and the D(2) and D(3) receptors were obtained with the aim of rationalizing the observed experimental results. Moreover, selected compounds showed moderate binding affinity on 5-HT(2A) which could contribute to reducing the occurrence of extrapyramidal side effects as potential antipsychotics.
ISSN:0960-894X
1464-3405
DOI:10.1016/j.bmcl.2009.01.067