β-O-4 Lignin Dimer

Enhances stable phenol/ketone formation in pyrolysis

This dimer undergoes bimolecular tautomerization that bypasses the high-barrier unimolecular step, facilitating the formation of stable phenols and ketones during lignin pyrolysis.

Xie, Wenluan · Hu, Bin · Wen-ming, Zhang · Li, Helong · Song, Guoyong · Liu, Ji · Lu, Qiang

Journal of Energy Chemistry 2023

Advantages

Bimolecular tautomerization enables rapid formation of phenol and acetophenone

Exploits retro-ene fragmentation for β-O-4 bond cleavage