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Electrochemistry of Benzophenanthridine Alkaloids. Formation and Characterization of Redox Active Films from Products of Sanguinarine and Chelerythrine Oxidation

✍ Scribed by Jan Hrbáč; Gabriela Broncová; Pavel Matějka; Tomáš Bystroň; Jiří Vrba; Radko Volf; Jaroslav Vičar

Book ID: 102184238
Publisher: John Wiley and Sons
Year: 2005
Tongue: English
Weight: 180 KB
Volume: 17
Category: Article
ISSN: 1040-0397
DOI: 10.1002/elan.200503349

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✦ Synopsis

Abstract

The behavior of sanguinarine and chelerythrine alkaloids upon electrochemical oxidation on solid electrodes in buffered aqueous medium is reported in this study. Electro‐oxidation of sanguinarine and chelerythrine results in the formation of redox active electropolymerized films. The films were characterized by cyclic voltammetry, EQCM and surface enhanced Raman scattering spectroscopy excited in near‐infrared range. The electropolymerization is suggested to proceed via formation of alkaloids' ortho‐benzoquinone derivatives.

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