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December 11, 2025Journal of Agricultural and Food Chemistry

One-Pot Metal Catalyst Free Electrocatalysis for Lignin Valorization: Tandem β-O-4 Linkage Cleavage and In Situ Acetalization

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Authors

STShuyu TangGuangzhou Women and Children Medical CenterHZHongxi ZhangHebei Agricultural UniversityJLJi LiChinese Academy of Sciences

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Overview

Electrocatalysis achieves over 97% conversion in lignin valorization using tetrabutylammonium tetrafluoroborate, highlighting efficient aldehyde production.

Key Points

  • This research aims to improve lignin valorization processes via a metal-free electrocatalytic system under ambient conditions.
  • Utilized tetrabutylammonium tetrafluoroborate (TBABF4) in methanol for electrochemical oxidation of lignin
  • Achieved β-O-4 ether bond cleavage in a model compound and bagasse lignin
  • Conducted mechanistic studies to elucidate the dual-pathway mechanism for reaction.
  • Achieved over 97% conversion in model compound with excellent selectivity towards aldehyde products
  • Demonstrated 15.6% total liquid product yield from bagasse lignin
  • Valuable aromatic product, benzaldehyde dimethyl acetal, yielded 7.9%.

Cite This Study

Tang et al. (2025) studied this question.

synapsesocial.com/papers/69401b172d562116f28f7435https://doi.org/10.1021/acs.jafc.5c12444
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Enhancing <i>β</i>‐O‐4 Linkage Cleavage with Ultrahigh Faradaic Efficiency via Electrochemical–Chemical Tandem Catalysis for Lignin Valorization2025
  2. 2Recent Advances in Electrocatalytic Lignin Valorization: Mechanism‐Oriented Design of Selective Bond‐Breaking Catalysts2026 · 2 citations
  3. 3Selective Cleavage of C<sub><i>β</i></sub>−O−4 Bond for Lignin Depolymerization via Paired‐Electrolysis in an Undivided Cell2024 · 2 citations
  4. 4Electrocatalytic Cleavage of C–C Bonds in Lignin Models Using Nonmetallic Catalysts at Ambient Conditions2024 · 16 citations
  5. 5Electrochemical Strategies for Lignin Valorization: Advancing Biomass Utilization2026