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<rdf:Description rdf:about="https://riquim.fq.edu.uy/items/show/6188">
    <dcterms:title><![CDATA[<strong>Synthesis and evaluation of new heteroaryl nitrones with spin trap properties.</strong>]]></dcterms:title>
    <dcterms:subject><![CDATA[COMPUTACION QUIMICA
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    <dcterms:subject><![CDATA[ESPECTROSCOPIA DE RESONANCIA ESPIN
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    <dcterms:subject><![CDATA[RADICALES LIBRES
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    <dcterms:subject><![CDATA[REACCIONES DE FENTON
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    <dcterms:subject><![CDATA[QUINOXALINAS
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    <dcterms:subject><![CDATA[TEORIA FUNCIONAL DE LA DENSIDAD
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    <dcterms:subject><![CDATA[BIBLIOGRAFIA NACIONAL QUIIMICA
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    <dcterms:subject><![CDATA[2020
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    <dcterms:abstract><![CDATA[A new series of heteroaryl nitrones were synthesized and evaluated as free radical traps due to the results showed in our previous report. The physicochemical characterization of these new nitrones by electron spin resonance (ESR) demonstrated their high capability to trap and stabilize different atom centered free radicals generated by the Fenton reaction. Additionally, we intensely studied them in terms of their physicochemical properties. Kinetic studies, including the use of a method based on competition and the hydroxyl adduct decay, gave the corresponding rate constants and half-lives at the physiological pH of these newly synthesized nitrones. New nitrones derived from quinoxaline 1,4-dioxide heterocycles were more suitable than DMPO to trap hydroxyl free radicals with a half-life longer than two hours. We explain some of the results using computational chemistry through density functional theory (DFT).
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    <dcterms:creator><![CDATA[<strong>Barriga Gonz&aacute;lez, Germ&aacute;n</strong>]]></dcterms:creator>
    <dcterms:creator><![CDATA[<strong>Aliaga, C.</strong>]]></dcterms:creator>
    <dcterms:creator><![CDATA[<strong>Chamorro, E.</strong>]]></dcterms:creator>
    <dcterms:creator><![CDATA[<strong>Olea-Azar, C.</strong>]]></dcterms:creator>
    <dcterms:creator><![CDATA[<strong>Norambuena, E.</strong>]]></dcterms:creator>
    <dcterms:creator><![CDATA[<strong>Porcal, Williams</strong>]]></dcterms:creator>
    <dcterms:creator><![CDATA[<strong>Gonz&aacute;lez, Mercedes</strong>]]></dcterms:creator>
    <dcterms:creator><![CDATA[<strong>Cerecetto, Hugo</strong>]]></dcterms:creator>
    <dcterms:source><![CDATA[RSC Advances v.10, no. 66. -- 2020. p. 40127-40135
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    <dcterms:publisher><![CDATA[Royal Society of Chemistry
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    <dcterms:date><![CDATA[2020
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    <dcterms:rights><![CDATA[<p><strong>Informaci&oacute;n sobre Derechos de Autor</strong> (Por favor lea este aviso antes de abrir los documentos u objetos)<strong> La legislaci&oacute;n uruguaya protege el derecho de autor </strong>sobre toda creaci&oacute;n literaria, cient&iacute;fica o art&iacute;stica, tanto en lo que tiene que ver con sus derechos morales, como en lo referente a los derechos patrimoniales con sujeci&oacute;n a lo establecido por el derecho com&uacute;n y las siguientes leyes (LEY 9.739 DE 17 DE DICIEMBRE DE 1937 SOBRE PROPIEDAD LITERARIA Y ARTISTICA CON LAS MODIFICACIONES INTRODUCIDAS POR LA LEY DE DERECHO DE AUTOR Y DERECHOS CONEXOS No. 17.616 DE 10 DE ENERO DE 2003, LEY 17.805 DE 26 DE AGOSTO DE 2004, LEY 18.046 DE 24 DE OCTUBRE DE 2006 LEY 18.046 DE 24 DE OCTUBRE DE 2006) ADVERTENCIA - La consulta de este documento queda condicionada a la aceptaci&oacute;n de las siguientes condiciones de uso: Este documento es &uacute;nicamente para usos privados enmarcados en actividades de investigaci&oacute;n y docencia. No se autoriza su reproducci&oacute;n con fines de lucro. Esta reserva de derechos afecta tanto los datos del documento como a sus contenidos. En la utilizaci&oacute;n o cita de partes debe indicarse el nombre de la persona autora.</p>
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    <dcterms:format><![CDATA[Pdf
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    <dcterms:language><![CDATA[Ingl&eacute;s
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    <dcterms:type><![CDATA[Art&iacute;culo
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    <dcterms:identifier><![CDATA[DOI: 10.1039/d0ra07720h
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