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Efficient O-demethylation of lignin monoaromatics using the peroxygenase activity of cytochrome P450 enzymes.

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A crucial reaction in harnessing renewable carbon from lignin is O-demethylation. We demonstrate the selective O-demethylation of syringol and guaiacol using different cytochrome P450 enzymes. These can efficiently use hydrogen… Click to show full abstract

A crucial reaction in harnessing renewable carbon from lignin is O-demethylation. We demonstrate the selective O-demethylation of syringol and guaiacol using different cytochrome P450 enzymes. These can efficiently use hydrogen peroxide which, when compared to nicotinamide cofactor-dependent monooxygenases and synthetic methods, allows for cheap and clean O-demethylation of lignin-derived aromatics.

Keywords: lignin; p450 enzymes; demethylation; demethylation lignin; cytochrome p450

Journal Title: Chemical communications
Year Published: 2022

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