Comportamento Voltamétrico da Chalcona [2E-1-(2’-Hidroxi-3’, 4’, 6’-trimetóxifenil)-3-(fenil)-prop-2-en-1-ona] Derivada de Acetofenona Natural / Voltammetric Behavior of Chalcone [2E-1- (2'-Hydroxy-3', 4', 6'-trimethoxyphenyl)-3-(phenyl)-prop-2-en-1-one] Derived from Natural Acetophenone

Aldeneide Soares de Paiva, Leilane Gomes Rodrigues, Priscila Teixeira da Silva, Murilo Sérgio da Silva Julião, Hélcio Silva dos Santos, Alexandre Magno Rodrigues Teixeira

Abstract


As chalconas são importantes intermediários na síntese de compostos biologicamente ativos como os flavonoides e seus derivados. Neste trabalho, foi realizado o estudo do comportamento eletroquímico de uma nova chalcona. A chalcona 2E-1-(2’-Hidróxi-3’, 4’, 6’-trimetóxifenil)-3-(fenil)-prop-2-en-1-ona (HYTPHENYL) foi sintetizada de uma acetofenona natural isolada da casca do caule da planta Croton anisodontus Müll. Arg. O mecanismo redox do HYTPHENYL registrado em meio praticamente aquoso envolve dois elétrons, num processo irreversível compreendido de duas transferências sucessivas de um elétron no mesmo potencial. A oxidação do HYTPHENYL envolve a formação de um radical fenoxil resultante da retirada de um elétron do grupo 2’-hidroxila seguido da abstração de um íon H+ e na sequência, o radical fenoxil muito provavelmente forma um dímero.


Keywords


Chalcona. Estudo eletroquímico. HYTPHENYL. Produtos naturais.

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DOI: https://doi.org/10.34117/bjdv7n6-112

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