NDLI: Electrochemical Oxidation of Safrole Using Ti/Ru$_{ X }$Ti$_{(1 − X)}$O$_{2}$ System: Preparation, Characterization, and Role of Electrode Composition

Content Provider	Springer Nature Link
Author	Duarte, J. L. S. Soares, W. M. G. Gomes, L. M. Tonholo, J. Zanta, C. L. P. S.
Copyright Year	2013
Abstract	Oxidation processes introduce structural changes in organic substrates. Electrooxidation is an alternative synthetic route that can help scientists conduct desired changes in organic compounds. In this study, we investigated the Ti/Ru$_{ X }$Ti$_{(1 − X)}$O$_{2}$ system and used safrole (SF) as model substrate, to understand the role played by electrode composition in organic substances oxidation. We characterized the surface of the prepared electrodes and conducted controlled potential electrolysis with potential pulse, which oxidized 98 % SF. Electrode efficiency depended on the electrode composition—higher RuO$_{2}$ concentration led to a more efficient process. Our results showed that all the electrodes generated the same intermediates regardless of the composition, indicating that the same reaction mechanism occurred in all cases, as corroborated by mechanistic parameters. Electrolysis under controlled current generated the same intermediates as electrolysis under controlled potential. The main difference between these two types of electrolyses was that controlled current promoted at least five times faster reaction, which resulted in substrate mineralization, an outcome that is not interesting for the synthetic process.
Starting Page	320
Ending Page	328
Page Count	9
File Format	PDF
ISSN	18682529
Journal	Electrocatalysis
Volume Number	4
Issue Number	4
e-ISSN	18685994
Language	English
Publisher	Springer US
Publisher Date	2013-08-31
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Safrole Electrooxidation Dimensionally stable anode Oxide films Electrochemistry Physical Chemistry Catalysis Energy Technology
Content Type	Text
Resource Type	Article
Subject	Electrochemistry

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