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June 15, 2026Angewandte Chemie International Edition

Interfacial Electronic Modulation Redirects Anodic Radical Chemistry for Selective C─C Bond Cleavage in Electro‐Oxidative Lignin Depolymerization

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Authors

WWWenyu WangYWYun WangYQYi Qi

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Overview

Randomized trial shows selective C─C bond cleavage in lignin, suggesting a new approach to renewable aromatics.

Key Points

  • To develop a method for selective C─C bond cleavage in lignin depolymerization through interfacial electronic modulation.
  • Developed a CuO/Cu 0.92 Co 2.08 O 4 catalyst for electro‐oxidative lignin depolymerization.
  • Conducted time‐resolved analysis and intermediate‐feeding experiments to understand the reaction pathway.
  • Utilized in situ Raman and FTIR spectroscopy, along with EPR, to study the catalytic interface.
  • Achieved 88% conversion of 2‐phenoxy‐1‐phenylethanol, producing benzaldehyde (53% yield) and phenol (27% yield).
  • Demonstrated that interfacial electronic modulation increases substrate adsorption and facilitates bond cleavage.
  • Identified that the Cu─Co interface suppresses unwanted oxygen evolution, enhancing the selectivity of the reaction.

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/6a2f982ba1cfeec4908293b1https://doi.org/10.1002/anie.1876863
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