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September 10, 2025Angewandte Chemie International Edition

Catalyst‐Free Cleavage of C─O/C─C Bonds in Lignin Linkages by Water Microdroplets

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Authors

TWTing WangJiangnan UniversityHCHong‐Yuan ChenSouth China Agricultural UniversityJXJing‐Juan XuQingdao University of Science and Technology

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Implication

Study demonstrates spontaneous C─O and C─C bond cleavage in lignin models, suggesting alkaline conditions in water microdroplets enhance reactions.

Key Points

  • The cleavage of β-O-4 linkages achieved yields exceeding 70% of phenols, demonstrating significant efficiency.
  • Mechanistic studies revealed that molecular oxygen facilitates C α ─C β bond cleavage, producing valuable benzoic acid.
  • Water microdroplets create an alkaline environment that aids in selectively breaking stable lignin bonds effectively.
  • Mass spectrometry identified all intermediates, including peroxide intermediates, confirming proposed bond cleavage mechanisms.

Cite This Study

Wang et al. (2025) studied this question.

synapsesocial.com/papers/68c1bb6a54b1d3bfb60ed3a4https://doi.org/10.1002/anie.202514150
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