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A guide to organic electroreduction using sacrificial anodes.

Yufeng Li1, Lirong Wen1, Weisi Guo1

  • 1College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China. wsguo@qust.edu.cn.

Chemical Society Reviews
|February 2, 2023
PubMed
Summary
This summary is machine-generated.

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Organic electrosynthesis utilizes sacrificial metal anodes for green synthesis of valuable molecules. This method offers mild conditions, diverse reactivity, and excellent selectivity, uncovering new chemical transformations.

Area of Science:

  • Organic Chemistry
  • Green Chemistry
  • Electrochemistry

Background:

  • Organic electrosynthesis offers a sustainable approach to synthesizing valuable molecules.
  • Sacrificial metal anodes enable unique reactivity not achievable through traditional methods.
  • Mild electroreduction protocols provide enhanced selectivity and prevent overoxidation.

Purpose of the Study:

  • To review recent advancements in sacrificial anode-enabled organic electrosynthesis.
  • To highlight the advantages of using sacrificial anodes in electroorganic synthesis.
  • To categorize and discuss electroreductions based on reaction types.

Main Methods:

  • Utilizing sacrificial metal anodes in electrochemical reactions.
  • Employing mild electroreduction conditions.

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  • Investigating the role of in situ generated metal ions as Lewis acids, promoters, or mediators.

    • Main Results:

    • Demonstrated diverse reactivity and excellent selectivity in electroorganic synthesis.
    • Showcased the prevention of substrate, intermediate, and product overoxidation.
    • Highlighted the dual role of metal ions in activating reactants and mediating reactions.

    Conclusions:

    • Sacrificial anode-based electrosynthesis is a powerful and green strategy for organic synthesis.
    • This approach expands the scope of accessible chemical transformations.
    • The field has seen significant growth and innovation in the past five years.