Producing aryl halides from lignin

Yongqian Liu, Yi Li, Zhiyang He, Simeng Wu, Chunhui Ma, Wei Li, Shujun Li, Zhijun Chen (), Shouxin Liu () and Bing Tian ()
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Yongqian Liu: Northeast Forestry University
Yi Li: Northeast Forestry University
Zhiyang He: Northeast Forestry University
Simeng Wu: Northeast Forestry University
Chunhui Ma: Northeast Forestry University
Wei Li: Northeast Forestry University
Shujun Li: Northeast Forestry University
Zhijun Chen: Northeast Forestry University
Shouxin Liu: Northeast Forestry University
Bing Tian: Northeast Forestry University

Nature Communications, 2025, vol. 16, issue 1, 1-10

Abstract: Abstract Lignin represents the most abundant biomass resource, which contains aromatic units. Lignin refinery is a promising, sustainable alternative for the production of aromatic chemicals. However, depolymerization and transformation of lignin into aryl halides, which are indispensable chemicals in both the academic and industrial communities, remain challenging. Here, we report a simple and mild method for the depolymerization and halogenation of lignin, leading to the production of useful aryl halides. Notably, hydrogen bond activation for halogenation reagents is essential for substantially increasing the reactivity, resulting a highly efficient cleavage of C–C bonds in lignin. This method is highly selective for breaking C(sp2)–C(sp3) bonds of lignin linkages, enabling the application of precise depolymerization and halogenation reactions from lignin models to native lignin from various wood resources, which provides a sustainable and efficient access to various synthetically useful aryl halides.

Date: 2025
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DOI: 10.1038/s41467-025-59054-0

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