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1.
ACS Med Chem Lett ; 10(11): 1573-1578, 2019 Nov 14.
Artigo em Inglês | MEDLINE | ID: mdl-32038769

RESUMO

A series of bicyclic pyridones were identified as potent inhibitors of catechol O-methyltransferase (COMT). Substituted benzyl groups attached to the basic nitrogen of the core scaffold gave the most potent inhibitors within this series. Rat pharmacokinetic studies showed medium to high levels of clearance for this series, but with high free fraction due to remarkably low levels of protein and tissue binding. In rat biomarker studies, levels of unbound drug exposure are seen in the brain, which exceed their respective IC50s, leading to changes in the levels of dopamine metabolites in a manner consistent with COMT inhibition.

2.
ChemMedChem ; 7(12): 2087-92, 2012 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-23042668

RESUMO

The simpler, the better: H(3) histamine receptor (H(3)R) are of interest as therapeutic targets in cognitive and somnolence disorders. Here, lead optimization of H(3)R inverse agonists bearing a thiazolo[5,4-c]piperidine group gave rise to a clinical candidate with a much simpler unprecedented benzamide scaffold, displaying decreased hERG activity while maintaining high brain receptor occupancies.


Assuntos
Agonistas dos Receptores Histamínicos/química , Agonistas dos Receptores Histamínicos/farmacologia , Piperidinas/química , Piperidinas/farmacologia , Receptores Histamínicos H3/metabolismo , Animais , Benzamidas/química , Benzamidas/farmacocinética , Benzamidas/farmacologia , Células CACO-2 , Agonistas dos Receptores Histamínicos/farmacocinética , Humanos , Masculino , Piperidinas/farmacocinética , Ratos , Ratos Wistar , Relação Estrutura-Atividade , Tiazóis/química , Tiazóis/farmacocinética , Tiazóis/farmacologia , Transativadores/metabolismo , Regulador Transcricional ERG
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