Plasmon-Mediated Organic Photoelectrochemistry Applied to Amination Reactions

Vladislav Buravets, Oleg Gorin, Vasilii Burtsev, Anna Zabelina, Denis Zabelin, Jiri Kosina, Jaroslav Maixner, Vaclav Svorcik, Alexander A. Kolganov, Evgeny A. Pidko, Oleksiy Lyutakov*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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Organic electrochemistry is currently experiencing an era of renaissance, which is closely related to the possibility of carrying out organic transformations under mild conditions, with high selectivity, high yields, and without the use of toxic solvents. Combination of organic electrochemistry with alternative approaches, such as photo-chemistry was found to have great potential due to induced synergy effects. In this work, we propose for the first time utilization of plasmon triggering of enhanced and regio-controlled organic chemical transformation performed in photoelectrochemical regime. The advantages of the proposed route is demonstrated in the model amination reaction with formation of C−N bond between pyrazole and substituted benzene derivatives. Amination was performed in photo-electrochemical mode on the surface of plasmon active Au@Pt electrode with attention focused on the impact of plasmon triggering on the reaction efficiency and regio-selectivity. The ability to enhance the reaction rate significantly and to tune products regio-selectivity is demonstrated. We also performed density functional theory calculations to inquire about the reaction mechanism and potentially explain the plasmon contribution to electrochemical reaction rate and regioselectivity.

Original languageEnglish
Article numbere202400020
Number of pages8
Publication statusPublished - 2024


  • amination
  • C−H activation
  • organic electrocatalysis
  • plasmon-assisted chemistry
  • regio-selectivity


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