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Structure-Based Optimization of Coumarin hA3 Adenosine Receptor Antagonists

dc.contributor.authorMatos M.J.
dc.contributor.authorVilar S.
dc.contributor.authorVazquez-Rodriguez S.
dc.contributor.authorKachler S.
dc.contributor.authorKlotz K.-N.
dc.contributor.authorBuccioni M.
dc.contributor.authorDelogu G.
dc.contributor.authorSantana L.
dc.contributor.authorUriarte E.
dc.contributor.authorBorges F.
dc.date.accessioned2020-09-02T22:23:02Z
dc.date.available2020-09-02T22:23:02Z
dc.date.issued2020
dc.identifier10.1021/acs.jmedchem.9b01572
dc.identifier.citation63, 5, 2577-2587
dc.identifier.issn00222623
dc.identifier.urihttps://hdl.handle.net/20.500.12728/5348
dc.descriptionAdenosine receptors participate in many physiological functions. Molecules that may selectively interact with one of the receptors are favorable multifunctional chemical entities to treat or decelerate the evolution of different diseases. 3-Arylcoumarins have already been studied as neuroprotective agents by our group. Here, differently 8-substituted 3-arylcoumarins are complementarily studied as ligands of adenosine receptors, performing radioligand binding assays. Among the synthesized compounds, selective A3 receptor antagonists were found. 3-(4-Bromophenyl)-8-hydroxycoumarin (compound 4) displayed the highest potency and selectivity as A3 receptor antagonist (Ki = 258 nM). An analysis of its X-ray diffraction provided detailed information on its structure. Further evaluation of a selected series of compounds indicated that it is the nature and position of the substituents that determine their activity and selectivity. Theoretical modeling calculations corroborate and explain the experimental data, suggesting this novel scaffold can be involved in the generation of candidates as multitarget drugs. Copyright © 2019 American Chemical Society.
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.titleStructure-Based Optimization of Coumarin hA3 Adenosine Receptor Antagonists
dc.typeArticle


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