Christopher S. Lancefield

Molecular structure and composition elucidation of an industrial humin and its fractions Open

Sandra Constant, Christopher S. Lancefield, Willem Vogelzang, Rajeesh Kumar Pazhavelikkakath Purushothaman, Augustinus E. Frissen , et al. · 2024

The structure of humins, a major side-product of carbohydrate biorefining, is complex and to a large extent unknown. A multitechnique characterization of an industrial humin provides new structural insights.

CRISPR/Cas9 suppression of OsAT10, a rice BAHD acyltransferase, reduces p-coumaric acid incorporation into arabinoxylan without increasing saccharification Open

Svenning Rune Møller, Christopher S. Lancefield, Nicola C. Oates, Rachael Simister, Adam Dowle , et al. · 2022

Ester-linked hydroxycinnamic acids ferulic acid (FA) and para-coumaric acid ( p -CA) play important roles in crosslinking within cell wall arabinoxylans (AX) and between AX and lignin in grass cell walls. The addition of hydroxycinnamates …

Berichtigung: Dynamic Trapping as a Selective Route to Renewable Phthalide from Biomass‐Derived Furfuryl Alcohol Open

Christopher S. Lancefield, Bart Fölker, Răzvan C. Cioc, Katarína Stančiaková, Rosa E. Bulo , et al. · 2021

The author list for this Communication was incorrect, as Marc Crockatt was inadvertently listed as dr. Marc Crockatt.

Corrigendum: Dynamic Trapping as a Selective Route to Renewable Phthalide from Biomass‐Derived Furfuryl Alcohol Open

Christopher S. Lancefield, Bart Fölker, Răzvan C. Cioc, Katarína Stančiaková, Rosa E. Bulo , et al. · 2021

One of the authors was not listed correctly for this Communication. Marc Crockatt was inadvertently listed as dr. Marc Crockatt, although he doesn't hold a doctorate degree.

CCDC 2006649: Experimental Crystal Structure Determination Open

Christopher S. Lancefield, B. Fölker, Răzvan C. Cioc, Katarína Stančiaková, Rosa E. Bulo , et al. · 2020

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

Graphical Abstract: Angew. Chem. Int. Ed. 52/2020 Open

Carmen Leitner, Bettina Loycke, Theresa Kueckmann, N. Compton, Frank Maaß , et al. · 2020

Homogeneous CatalysisThefirst palladium-catalyzeds ite-selective a-a nd garylation of a,b-unsaturated ketones with (hetero)aryl halides is described by O. Y.

Graphisches Inhaltsverzeichnis: Angew. Chem. 52/2020 Open

Rajneesh Misra, Francis Ribeiro de Souza, Ying Yuen, Ming Chau, Gan Chai , et al. · 2020

und Mitarbeitern auf S. 23905 demonstriert.Dazu wurde die Ladungstransferspezies Tr iphenylamin-Tetracyanobutadien kovalent mit dem Nah-IR-Sensibilisator azaBODIPY verbunden.Eine effiziente Ladungstrennung wird entweder durch den hochenerg…

Dynamic Trapping as a Selective Route to Renewable Phthalide from Biomass‐Derived Furfuryl Alcohol Open

Christopher S. Lancefield, Bart Fölker, Răzvan C. Cioc, Katarína Stančiaková, Rosa E. Bulo , et al. · 2020

A novel route for the production of the versatile chemical building block phthalide from biorenewable furfuryl alcohol and acrylate esters is presented. Two challenges that limit sustainable aromatics production via Diels–Alder (DA) aromat…

Dynamic Trapping as a Selective Route to Renewable Phthalide from Biomass‐Derived Furfuryl Alcohol Open

Christopher S. Lancefield, Bart Fölker, Răzvan C. Cioc, Katarína Stančiaková, Rosa E. Bulo , et al. · 2020

A novel route for the production of the versatile chemical building block phthalide from biorenewable furfuryl alcohol and acrylate esters is presented. Two challenges that limit sustainable aromatics production via Diels–Alder (DA) aromat…

An Introduction to Model Compounds of Lignin Linking Motifs; Synthesis and Selection Considerations for Reactivity Studies Open

Ciaran W. Lahive, Paul C. J. Kamer, Christopher S. Lancefield, Peter J. Deuss · 2020

The development of fundamentally new valorization strategies for lignin plays a vital role in unlocking the true potential of lignocellulosic biomass as sustainable and economically compatible renewable carbon feedstock. In particular, new…

Copper‐Mediated Conversion of Complex Ethers to Esters: Enabling Biopolymer Depolymerisation under Mild Conditions Open

Ganyuan Xiao, James R. D. Montgomery, Christopher S. Lancefield, Isabella Panovic, Nicholas J. Westwood · 2020

Selective processing of the β‐ O ‐4 unit in lignin is essential for the efficient depolymerisation of this biopolymer and therefore its successful integration into a biorefinery set‐up. An approach is described in which this unit is modifi…

Mild Organosolv Lignin Extraction with Alcohols: The Importance of Benzylic Alkoxylation Open

Douwe S. Zijlstra, Ciaran W. Lahive, Coen A. Analbers, Monique Bernardes Figueirêdo, Zhiwen Wang , et al. · 2020

Lignin holds the key for maximizing value extraction from lignocellulosic biomass. This is currently hindered by the application of fractionation methods that significantly alter the lignin structure to give highly recalcitrant materials. …

raw data for chemitry-A European Journal.rar Open

Ganyuan Xiao, James R. D. Montgomery, Isabella Panovic, Christopher S. Lancefield, Nicholas J. Westwood · 2020

Enabling biopolymer depolymerisation under mild conditions. A Cu/TEMPO system was used to modify lignin’s b-O-4 unit to give ester. containing chains that can be easily depolymerized. This chemistry was successfully applied to relevant dim…

Selective Depolymerisation of g-Oxidised Lignin via NHC Catalysed Redox Esterification Open

Nicholas J. Westwood, Christopher S. Lancefield, Ganyuan Xiao · 2020

a new two-step depolymerisation method for lignin involving primary alcohol oxidation followed by a NHC-mediated redox esterification-depolymerisation step.

Selective Depolymerisation of g-Oxidised Lignin via NHC Catalysed Redox Esterification Open

Nicholas J. Westwood, Christopher S. Lancefield, Ganyuan Xiao · 2019

a new two-step depolymerisation method for lignin involving primary alcohol oxidation followed by a NHC-mediated redox esterification-depolymerisation step.

Selective Depolymerisation of γ‐Oxidised Lignin via NHC Catalysed Redox Esterification Open

Ganyuan Xiao, Christopher S. Lancefield, Nicholas J. Westwood · 2019

The development of new catalytic methods for the processing of lignocellulose‐derived renewable feedstocks continues to gain momentum, despite the considerable challenges associated with the use of complex biopolymers such as lignin. Here,…

Pilot scale recovery of lignin from black liquor and advanced characterization of the final product Open

Jeroen Lauwaert, Ingeborg Stals, Christopher S. Lancefield, Wesley Deschaumes, Dieter Depuydt , et al. · 2019

Linkage Abundance and Molecular Weight Characteristics of Technical Lignins by Attenuated Total Reflection‐FTIR Spectroscopy Combined with Multivariate Analysis Open

Christopher S. Lancefield, Sandra Constant, Peter de Peinder, Pieter C. A. Bruijnincx · 2019

Invited for this month′s cover is the group of Pieter Bruijnincx at Utrecht University. The image shows how lignin structure information, essential to guide its valorization, can be rapidly obtained from simple IR spectroscopy combined wit…

Linkage Abundance and Molecular Weight Characteristics of Technical Lignins by Attenuated Total Reflection‐FTIR Spectroscopy Combined with Multivariate Analysis Open

Christopher S. Lancefield, Sandra Constant, Peter de Peinder, Pieter C. A. Bruijnincx · 2019

Lignin is an attractive material for the production of renewable chemicals, materials and energy. However, utilization is hampered by its highly complex and variable chemical structure, which requires an extensive suite of analytical instr…

Dichomitus squalens partially tailors its molecular responses to the composition of solid wood Open

Paul Daly, Sara Casado López, Mao Peng, Christopher S. Lancefield, Samuel Purvine , et al. · 2018

Summary White‐rot fungi, such as Dichomitus squalens , degrade all wood components and inhabit mixed‐wood forests containing both soft‐ and hardwood species. In this study, we evaluated how D. squalens responded to the compositional differ…

Bacterial Catabolism of β-Hydroxypropiovanillone and β-Hydroxypropiosyringone Produced in the Reductive Cleavage of Arylglycerol-β-Aryl Ether in Lignin Open

Yudai Higuchi, Shogo Aoki, Hiroki Takenami, Naofumi Kamimura, Kenji Takahashi , et al. · 2018

Sphingobium sp. strain SYK-6 converts four stereoisomers of arylglycerol-β-guaiacyl ether into achiral β-hydroxypropiovanillone (HPV) via three stereospecific reaction steps. Here, we determined the HPV catabolic pathway and characterized …

Iridium-catalysed primary alcohol oxidation and hydrogen shuttling for the depolymerisation of lignin Open

Christopher S. Lancefield, Lucas W. Teunissen, Bert M. Weckhuysen, Pieter C. A. Bruijnincx · 2018

A new Ir catalysed approach for the selective cleavage of the C_α–C_β bond in lignin β-O-4 units, allowing access to novel and tuneable monomeric product mixtures.

Identification of a diagnostic structural motif reveals a new reaction intermediate and condensation pathway in kraft lignin formation Open

Christopher S. Lancefield, Hans Wienk, Rolf Boelens, Bert M. Weckhuysen, Pieter C. A. Bruijnincx · 2018

Detailed structural analysis of industrial and model kraft lignins reveals an important new reaction intermediate and condensation pathway operating during kraft pulping.

Revealing the fate of the phenylcoumaran linkage during lignin oxidation reactions Open

Ciaran W. Lahive, Christopher S. Lancefield, Anna Codina, Paul C. J. Kamer, Nicholas J. Westwood · 2018

Phenylcoumaran linkages are shown, for the first time, to be oxidised to phenylcoumarones in lignin during oxidations with DDQ.

Fractionation and DOSY NMR as Analytical Tools: From Model Polymers to a Technical Lignin Open

James R. D. Montgomery, Christopher S. Lancefield, Daniel M. Miles‐Barrett, Katrin Ackermann, Bela E. Bode , et al. · 2017

One key challenge hindering the valorization of lignin is its structural complexity. Artificial lignin-like materials provide a stepping stone between the simplicity of model compounds and the complexity of lignin. Here, we report an optim…

Grafting of Technical Lignins through Regioselective Triazole Formation on β-O-4 Linkages Open

Isabella Panovic, James R. D. Montgomery, Christopher S. Lancefield, Dhivya Puri, Tomáš Lébl , et al. · 2017

A new method has been developed to enable the modification of the organosolv technical lignins. Using a walnut shell butanol alkoxasolv lignin as a source of high β-O-4 content material, the β-O-4 γ-position has been selectively modified v…

Phenolic acetals from lignins of varying compositions via iron(iii) triflate catalysed depolymerisation Open

Peter J. Deuss, Christopher S. Lancefield, N. ANAND, Johannes G. de Vries, Nicholas J. Westwood , et al. · 2017

A small lignin library was used to study the relationship between the lignin structure and the aromatic product yields during acidolysis.

Use of Bisulfite Processing To Generate High-β-O-4 Content Water-Soluble Lignosulfonates Open

Daniel M. Miles‐Barrett, James R. D. Montgomery, Christopher S. Lancefield, David B. Cordes, Alexandra M. Z. Slawin , et al. · 2016

This work was supported by EPSRC grants (EP/1518175), the Industrial Biotechnology Innovation Centre (IBioIC) (DMB Ph.D. studentship) and an EPSRC Doctoral Prize Fellowship (CSL).

Quantification and Classification of Carbonyls in Industrial Humins and Lignins by 19F NMR Open

Sandra Constant, Christopher S. Lancefield, Bert M. Weckhuysen, Pieter C. A. Bruijnincx · 2016

Lignin and humins are both (by-)products of biorefining processes aimed at the valorization of lignocellulosic biomass. In order to improve the efficiency of such biorefineries and to develop new valorization pathways for these polymeric m…

Pre-treatment of lignocellulosic feedstocks using biorenewable alcohols: towards complete biomass valorisation Open

Christopher S. Lancefield, Isabella Panovic, Peter J. Deuss, Katalin Barta, Nicholas J. Westwood · 2016

Here, we report on the ability of the biomass derived solvents ethanol and, in particular,n-butanol to fractionate lignocellulose into its main components. The developed process gives high quality carbohydrate and lignin fractions in good …

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