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Bioorg Med Chem Lett. 2009 Mar 15;19(6):1773-8. doi: 10.1016/j.bmcl.2009.01.067. Epub 2009 Jan 27.

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

Author information

1
Departamento de Química Orgánica, Facultad de Farmacia, Universidad de Santiago de Compostela, E-15782 Santiago de Compostela, Spain.

Abstract

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.

PMID:
19217777
DOI:
10.1016/j.bmcl.2009.01.067
[Indexed for MEDLINE]

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