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dc.contributor.authorLa-Scalea, M. A.-
dc.contributor.authorChin, Chung Man-
dc.contributor.authorCruz, M. L.-
dc.contributor.authorSerrano, SHP-
dc.contributor.authorFerreira, E. I.-
dc.identifier.citationBioelectrochemistry. Lausanne: Elsevier B.V. Sa, v. 53, n. 1, p. 55-59, 2001.-
dc.description.abstractThis paper describes the voltammetric behavior of primaquine as a previous support to the further understanding of the delivery and action mechanisms of its respective synthesized prodrugs. There are few papers describing the drug behavior and most of the time no correlation between oxidation process and pH is done. Our results showed that primaquine oxidation is a one-step reaction involving two electrons with the charge transfer process being strongly pH-dependent in acid medium and pH-independent in a weak basic medium, with the neutral form being easily oxidized.This leads to the conclusion that quinoline nitrogen ring neutralization is a determinant step to the formation of the oxidized primaquine form. The existence of a relationship between the primaquine dissociation equilibrium and its electrooxidation process is shown.This work points the importance of voltammetric methodology as a tool for further studies on quantitative relationship studies between chemical structure and biological activity (QSAR) for electroactive drugs. (C) 2000 Elsevier B.V. S.A. All rights reserved.en
dc.publisherElsevier B.V.-
dc.sourceWeb of Science-
dc.subjectproton dissociationpt
dc.titleDissociation and electrooxidation of primaquine diphosphate as an approach to the study of anti-chagas prodrugs mechanism of actionen
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionPontifícia Universidade Católica de Campinas (PUC-CAMPINAS)-
dc.description.affiliationUniv São Paulo, Fac Ciências Farmaceut, Dept Farm, BR-05508900 São Paulo, Brazil-
dc.description.affiliationUNESP, Fac Ciências Farmaceut, Dept Farm & Med, BR-14801902 São Paulo, Brazil-
dc.description.affiliationPUCCAMP, Fac Ciências Med, Dept Farm, BR-13059740 São Paulo, Brazil-
dc.description.affiliationUSP, Inst Quim, Dept Quim Fundamental, BR-05599970 São Paulo, Brazil-
dc.description.affiliationUnespUNESP, Fac Ciências Farmaceut, Dept Farm & Med, BR-14801902 São Paulo, Brazil-
dc.rights.accessRightsAcesso restrito-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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