NDLI: New insights into the catalytic cleavage of the lignin β-O-4 linkage in multifunctional ionic liquid media

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New insights into the catalytic cleavage of the lignin β-O-4 linkage in multifunctional ionic liquid media

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Inside back cover

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Catalysis Science & Technology Vol - 6 Issue - 5

Catalysis Science & Technology Vol - 6 Issue - 4

Catalysis Science & Technology Vol - 6 Issue - 3

Catalysis Science & Technology Vol -5

Catalysis Science & Technology Vol -4

Catalysis Science & Technology Vol -3

Catalysis Science & Technology Vol -2

Catalysis Science & Technology Vol -1

New insights into the catalytic cleavage of the lignin β-O-4 linkage in multifunctional ionic liquid media

Content Provider	Royal Society of Chemistry (RSC)
Author	Vries, Johannes G. de Scott, Martin Prechtl, Martin H. G. Deuss, Peter J. Barta, Katalin
Copyright Year	2016
Abstract	Ionic liquids are attractive reaction media for the solubilisation and depolymerisation of lignin into value-added products. However, mechanistic insight related to the cleavage of specific linkages relevant to efficient lignin depolymerisation in such solvents is still lacking. This study presents important insight into the scission of the most abundant lignin β-O-4 motif in Brønsted acidic ionic liquids. Using relevant model compounds, cleavage products were identified and undesired side reactions examined carefully. Stabilization of reactive intermediates was achieved in ionic liquids comprising both Brønsted acidic function and stabilized nanoparticles that comprise hydrogenation activity in order to suppress undesired side reactions. Especially, the in situ hydrogenation of the aldehyde intermediate originating from the acid-catalysed cleavage of lignin beta-O-4 model compounds into more stable alcohols was investigated. This is the first time that such products have been systematically targeted in these multifunctional reaction media in relation to lignin depolymerization.
Starting Page	1882
Ending Page	1891
Page Count	10
File Format	HTM / HTML PDF
ISSN	20444753
Volume Number	6
Issue Number	6
Journal	Catalysis Science & Technology
DOI	10.1039/c5cy01554e
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Depolymerization Lignin Ionic order Aldehyde Hydrogenation Nsted
Content Type	Text
Resource Type	Article
Subject	Catalysis

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A DFT Mechanistic Study on Base-Catalyzed Cleavage of the β-O-4 Ether Linkage in Lignin: Implications for Selective Lignin Depolymerization

Theoretical Elucidation of β-O-4 Bond Cleavage of Lignin Model Compound Promoted by Sulfonic Acid-Functionalized Ionic Liquid

Effective C–O Bond Cleavage of Lignin β-O-4 Model Compounds: A New RuHCl(CO)(PPh3)3/KOH Catalytic System

A Phosphotungstic Acid Catalyst for Depolymerization in Bulrush Lignin

Theoretical Insights Into the Depolymerization Mechanism of Lignin to Methyl p-hydroxycinnamate by [Bmim][FeCl4] Ionic Liquid

Catalytic C-O Bond Cleavage of 2-Aryloxy-1-arylethanols and Its Application to the Depolymerization of Lignin-Related Polymers

Cleavage via Selective Catalytic Oxidation of Lignin or Lignin Model Compounds into Functional Chemicals

Catalytic Oxidation and Depolymerization of Lignin in Aqueous Ionic Liquid

Catalytic Hydrodeoxygenation of Lignin-Derived Feedstock Into Arenes and Phenolics

New insights into the catalytic cleavage of the lignin β-O-4 linkage in multifunctional ionic liquid media

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New insights into the catalytic cleavage of the lignin β-O-4 linkage in multifunctional ionic liquid media