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Organic Electrochemistry
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Organic Electrochemistry

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Organic Chemistry".

Deadline for manuscript submissions: closed (31 January 2017) | Viewed by 17535

Special Issue Editor

Prof. Dr. Albert J. Fry

E-Mail Website
Guest Editor
Chemistry Department, Wesleyan University, Middletown, CT 06459, USA
Interests: computational solutions to chemical problems; anodic oxidation of alkenes and ketones; solar-powered electrochemistry; mechanistic organic electrochemistry

Special Issue Information

Dear Colleagues,

Organic electrochemistry has become a highly diverse field in recent years. From its origins as a technique and for analysis and for synthesis, it has grown to include new concepts, such as electrocatalysis and mediated electron transfer, novel electrode materials and electrolysis media, green electrochemical systems, applications for degradation of pesticides, electrochemistry at microelectrode arrays, electrochemical coupling reactions, flow systems, and organometallic electrochemistry. This list is suggestive rather than restrictive: We hope to include as wide a range of topics as possible, representing the diversity of modern organic electrochemistry.

Prof. Dr. Albert J. Fry
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Molecules is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • organic electrosynthetic methods
  • electrocatalysis and organic electrocatalysts
  • microelectrodes and electrode arrays
  • electrochemical degradation of pesticides
  • systems for biochemical analysis
  • paired reactions
  • green organic electrochemistry
  • organometallic electrochemistry
  • physical/physicochemical studies of organic electrode processes
  • electrochemistry of biomolecules
  • diamond electrodes in organic electrochemistry
  • mechanistic studies of organic electrode processes

Published Papers (3 papers)

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Research

1180 KiB  
Article
Experimental and Theoretical Reduction Potentials of Some Biologically Active ortho-Carbonyl para-Quinones
by Maximiliano Martínez-Cifuentes, Ricardo Salazar, Oney Ramírez-Rodríguez, Boris Weiss-López and Ramiro Araya-Maturana
Molecules 2017, 22(4), 577; https://doi.org/10.3390/molecules22040577 - 04 Apr 2017
Cited by 23 | Viewed by 5014
Abstract
The rational design of quinones with specific redox properties is an issue of great interest because of their applications in pharmaceutical and material sciences. In this work, the electrochemical behavior of a series of four p-quinones was studied experimentally and theoretically. The [...] Read more.
The rational design of quinones with specific redox properties is an issue of great interest because of their applications in pharmaceutical and material sciences. In this work, the electrochemical behavior of a series of four p-quinones was studied experimentally and theoretically. The first and second one-electron reduction potentials of the quinones were determined using cyclic voltammetry and correlated with those calculated by density functional theory (DFT) using three different functionals, BHandHLYP, M06-2x and PBE0. The differences among the experimental reduction potentials were explained in terms of structural effects on the stabilities of the formed species. DFT calculations accurately reproduced the first one-electron experimental reduction potentials with R2 higher than 0.94. The BHandHLYP functional presented the best fit to the experimental values (R2 = 0.957), followed by M06-2x (R2 = 0.947) and PBE0 (R2 = 0.942). Full article
(This article belongs to the Special Issue Organic Electrochemistry)
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4463 KiB  
Article
Cathodic Aromatic C,C Cross-Coupling Reaction via Single Electron Transfer Pathway
by Yang Qu, Hiroyuki Tateno, Yoshimasa Matsumura, Tsuneo Kashiwagi and Mahito Atobe
Molecules 2017, 22(3), 413; https://doi.org/10.3390/molecules22030413 - 07 Mar 2017
Cited by 5 | Viewed by 6090
Abstract
We have successfully developed a novel cathodic cross-coupling reaction of aryl halides with arenes. Utilization of the cathodic single electron transfer (SET) mechanism for activation of aryl halides enables the cross-coupling reaction to proceed without the need for any transition metal catalysts or [...] Read more.
We have successfully developed a novel cathodic cross-coupling reaction of aryl halides with arenes. Utilization of the cathodic single electron transfer (SET) mechanism for activation of aryl halides enables the cross-coupling reaction to proceed without the need for any transition metal catalysts or single electron donors in a mild condition. The SET from a cathode to an aryl halide initiates a radical chain by giving an anion radical of the aryl halide. The following propagation cycle also consists entirely of anion radical intermediates. Full article
(This article belongs to the Special Issue Organic Electrochemistry)
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1620 KiB  
Article
Substituent Inductive Effects on the Electrochemical Oxidation of Flavonoids Studied by Square Wave Voltammetry and Ab Initio Calculations
by Netzahualcóyotl Arroyo-Currás, Víctor M. Rosas-García and Marcelo Videa
Molecules 2016, 21(11), 1422; https://doi.org/10.3390/molecules21111422 - 27 Oct 2016
Cited by 19 | Viewed by 6013
Abstract
Flavonoids are natural products commonly found in the human diet that show antioxidant, anti-inflammatory and anti-hepatotoxic activities. These nutraceutical properties may relate to the electrochemical activity of flavonoids. To increase the understanding of structure–electrochemical activity relations and the inductive effects that OH substituents [...] Read more.
Flavonoids are natural products commonly found in the human diet that show antioxidant, anti-inflammatory and anti-hepatotoxic activities. These nutraceutical properties may relate to the electrochemical activity of flavonoids. To increase the understanding of structure–electrochemical activity relations and the inductive effects that OH substituents have on the redox potential of flavonoids, we carried out square-wave voltammetry experiments and ab initio calculations of eight flavonoids selected following a systematic variation in the number of hydroxyl substituents and their location on the flavan backbone: three flavonols, three anthocyanidins, one anthocyanin and the flavonoid backbone flavone. We compared the effect that the number of –OH groups in the ring B of flavan has on the oxidation potential of the flavonoids considered, finding linear correlations for both flavonols and anthocyanidins ( R 2 = 0.98 ). We analyzed the effects that position and number of –OH substituents have on electron density distributions via ab initio quantum chemical calculations. We present direct correlations between structural features and oxidation potentials that provide a deeper insight into the redox chemistry of these molecules. Full article
(This article belongs to the Special Issue Organic Electrochemistry)
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