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Future Med Chem ; 10(4): 379-390, 2018 02.
Artigo em Inglês | MEDLINE | ID: mdl-29145730

RESUMO

AIM: The present study was carried out to assess a new series of triazoloquinazolines 1-40 for their antioxidant activities using 1,1-diphenyl-2-picryl hydrazyl radical scavenging, ferric reduction antioxidant power and reducing power capability assays. RESULTS: All triazoloquinazolines 1-40 exhibited antioxidant activity ranged from weak to moderate and high. The obtained findings revealed that the triazoloquinazolines 30, 36 and 38-40 have superiority among all compounds, demonstrating the highest capacity to deplete 1,1-diphenyl-2-picryl hydrazyl and free radicals, in relation to butylated hydroxyl toluene, as a synthetic antioxidant agent. CONCLUSION: Chemical modifications together with density functional theory study on the targets supplied us with some valuable clarifications about the required properties needed for the target compounds to be more active against free radicals.


Assuntos
Antioxidantes/farmacologia , Compostos de Bifenilo/antagonistas & inibidores , Avaliação Pré-Clínica de Medicamentos , Picratos/antagonistas & inibidores , Quinazolinas/farmacologia , Antioxidantes/síntese química , Antioxidantes/química , Radicais Livres/antagonistas & inibidores , Estrutura Molecular , Teoria Quântica , Quinazolinas/síntese química , Quinazolinas/química
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