Selective Cleavage of Lignin Model Compounds via a Reverse Biosynthesis Mechanism.

ABSTRACT: Selective depolymerization of lignin remains a significant challenge in biomass conversion. The biosynthesis of lignin involves the polymerization of monolignol building blocks through oxidative radical coupling reactions. A strategy for lignin degradation leverages photoredox deoxygenative radical formation to trigger reverse biosynthesis, which cleaves model compounds of the β-O-4 and β-5-β-O-4 linkages to produce monolignols, precursors to flavoring compounds. This mild method preserves important oxygen functionality and serves as a platform for achieving selective lignin depolymerization.

SUBMITTER: Suh SM 

PROVIDER: S-EPMC10334464 | biostudies-literature | 2023 Jul

REPOSITORIES: biostudies-literature