Electrochemical β-Selective Hydrocarboxylation of Styrene Using CO2 and Water

Younghye Kim, Gyeong Do Park, Mani Balamurugan, Jiwon Seo, Byoung Koun Min, Ki Tae Nam

Research output: Contribution to journalArticlepeer-review

34 Citations (Scopus)


The carboxylation of hydrocarbons using CO2 as a one-carbon building block is an attractive route for the synthesis of carboxylic acids and their derivatives. Until now, chemical carboxylation catalyzed by organometallic nucleophiles and reductants has been generally adopted particularly for the precise selectivity control of carboxylation sites. As another approach, electrochemical carboxylation has been attempted but these carboxylation reactions are limited to only a few pathways. In the case of styrene, dicarboxylation at the α- and β-positions is mostly observed with electrochemical carboxylation while site-selective hydrocarboxylations are hardly achieved. In this study, electrochemical β-selective hydrocarboxylation of styrene using CO2 and water is developed, in which the site selectivity can be precisely controlled between β-hydrocarboxylation and dicarboxylation without the aid of homogeneous catalysts. In this platform, water is used as proton source in the β-hydrocarboxylation of styrene where its addition results in significant enhancement of the selectivity toward β-hydrocarboxylation. This work provides insights into new strategies for site-selectivity-controllable carboxylation with CO2 using an electrochemical platform.

Original languageEnglish
Article number1900137
JournalAdvanced Science
Issue number3
Publication statusPublished - 2020 Feb 1

Bibliographical note

Publisher Copyright:
© 2019 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim


  • CO reduction
  • carbon fixation
  • carboxylation
  • electrochemistry

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • General Chemical Engineering
  • Biochemistry, Genetics and Molecular Biology (miscellaneous)
  • General Materials Science
  • General Engineering
  • General Physics and Astronomy


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