Closed-loop recyclability of a biomass-derived epoxy-amine thermoset by methanolysis

X. Wu, P. Hartmann, D. Berne, M. De bruyn, F. Cuminet, Z. Wang, J. M. Zechner, A.D. Boese, V. Placet, S. Caillol, K. Barta
Science, 384, eadj9989, 2024

Atmospheric reductive catalytic fractionation of lignocellulose integrated with one-pot catalytic conversion of carbohydrate yielding valuable lignin monomers and platform chemicals from corn straw

M.-Y. Liu, Z.-H. Zhang, X.-Q. Wang, Q. Sun, C. Zhang, Y. Li, Z. Sun, K. Barta, F. Peng, T.-Q. Yuan
Green Energy & Environment, 2024, In Press

Polyamides go circular

A. A. Castillo-Garcia, K. Barta
Nat Sustain, 2024


Aniline derivatives from lignin under mild conditions enabled by electrochemistry

A. A. Castillo-Garcia, C.O. Kappe, D. Cantillo, K. Barta
ChemSusChem, 2023, e202301374.

Clean Synthetic Strategies to Biologically Active Molecules from Lignin: A Green Path to Drug Discovery

A. M. Afanasenko,  X. Wu, A. De Santi, W. A. M. Elgaher, A. M. Kany, R. Shafiei, M.-S. Schulze, T. F. Schulz, J. Haupenthal,  A. K. H. Hirsch, K. Barta
Angew. Chem. Int. Ed., 2023, e202308131.

High yield production of 1,4-cyclohexanediol from lignin derived 2,6-dimethoxybenzoquinone via Raney NiMn catalyst in hydrogen free conditions

Z.H. Zhang, X. Wu, X. Ren, Z. Rong, Z. Sun, K. Barta, T.-Q. Yuan
Journal of Energy Chemistry, 2023, , 83, 275-286.

Editorial: Chemical conversion of biomass to chemicals

M. Galkin, K. Barta
Current Opinion in Green and Sustainable Chemistry, 2023, , 44, 100869.

Deriving high value products from depolymerized lignin oil, aided by (bio)catalytic funneling strategies

X. Wu, M. De bruyn and K. Barta
Chem. Commun, 2023, 59, 9929-9951.

High-Performance Thermoplastics from a Unique Bicyclic Lignin-Derived Diol

X. Wu, M. De bruyn, G. Trimmel, K. Zangger, and K. Barta
ACS Sustainable Chemistry & Engineering, 2023, 11, 2819-2829.

Novel stereoisomeric lignin-derived polycarbonates: towards the creation of bisphenol polycarbonate mimics

X. Wu, D. Xu, M. De bruyn, G. Trimmel and K. Barta
Polymer Chemistry, 2023, 14, 907–902.


Primary amines from lignocellulose by direct amination of alcohol intermediates, catalyzed by RANEY® Ni

X. Wu, M. De bruyn and K. Barta
Catalysis Science and Technology, 2022, 12, 5908–59164.

One-Pot Catalytic Conversion of Lignin-Derivable Guaiacols and Syringols to Cyclohexylamines

X. Wu, M. De bruyn and K. Barta
ChemSusChem, 2022, 15, e202200914.

High yield production of 1,4-cyclohexanediol and 1,4-cyclohexanediamine from high molecular-weight lignin oil

X. Wu, M. De bruyn, J. M. Hulan, H. Brasil, Z. Sun and K. Barta
Green Chem., 2022, 25, 211–220.

Fully lignocellulose-based PET analogues for the circular economy

X. Wu, M. V. Galkin, T. Stern, Z. Sun and K. Barta
Nature Comm., 2022, 13, 33762022.

A Diamine-Oriented Biorefinery Concept Using Ammonia and Raney Ni as a Multifaceted Catalyst

X. Wu, M. De bruyn and K. Barta
Chemie-Ingenieur-Technik, 2022, 94, 1808–1817.

The Effect of Acidic Ternary Deep Eutectic Solvent Treatment on Native Lignin

Z. Wang, Y. Liu, K. Barta and P. J. Deuss ACS Sustainable Chemistry and Engineering, 2022, 10, 12569–12579.

A molecular motor from lignocellulose

T. Freese, B. Fridrich, S. Crespi, A. S. Lubbe, K. Barta, B. L. Feringa
Green Chem., 2022, 24, 3689-3696.

Chemicals from lignin by diol-stabilized acidolysis: reaction pathways and kinetics

Z. Zhang, C. W. Lahive, J. G. M. Winkelman, K. Barta, P. J. Deuss
Green Chem., 2022, 895–905.


A well-defined diamine from lignin depolymerization mixtures for constructing bio-based polybenzoxazines

X. Wu, M. V. Galkin, K. Barta
Chem Catalysis, 2021, in press.

Tunable and functional deep eutectic solvents for lignocellulose valorization

Y. Liu, N. Deak, Z. Wang, H. Yu, L. Hameleers, E. Jurak, P. J. Deuss, K. Barta
Nat. Commun. 2021, 12, 5424.

Synthesis of Enantioenriched Amines by Iron-Catalysed Amination of Alcohols Employing at Least One Achiral Substrate

G. Bottari, A. Afanasenko, B. Feringa, A. A. Castillo-Garcia, K. Barta
Adv. Synth. Cat., 2021, in press.

Direct Catalytic N‐Alkylation of α‐Amino Acid Esters and Amides Using Alcohols with High Retention of Stereochemistry

T. Yan, B. L. Feringa, K. Barta
ChemSusChem, 2021, 14, 2303-2307.

The thousand faces of Cu-doped porous mixed oxides (Cu-PMO) in the conversion of renewable resources and beyond

M. De bruyn, Z. Sun, K. Barta
In press in Advances in Inorganic Chemistry.
2021, Elsevier Inc.

Erratum: New mechanistic insights into the lignin β-O-4 linkage acidolysis with ethylene glycol stabilization aided by multilevel computational chemistry (ACS Sustainable Chemistry and Engineering (2021) 9:5 (2388-2399) DOI: 10.1021/acssuschemeng.0c08901)”

De Santi, S. Monti, G. Barcaro, Z. Zhang, K. Barta and P. J. Deuss
ACS Sustainable Chemistry and Engineering, 2021, 9, 9149

Pharmaceutically relevant (hetero)cyclic compounds and natural products from lignin-derived monomers: present and perspectives

A. Afanasenko, K. Barta
iScience, 2021, 24(3), 102211

New Mechanistic Insights into the Lignin β-O-4 Linkage Acidolysis with Ethylene Glycol Stabilization Aided by Multilevel Computational Chemistry

A. De Santi, S. Monti, G. Barcaro, Z. Zhang, K. Barta, P. J. Deuss
ACS Sustainable Chem. Eng., 2021, 9(5), 2388–2399

Guidelines for performing lignin-first biorefining

M. M. Abu-Omar, K. Barta, G. T. Beckham, J. Luterbacher, J. Ralph, R. Rinaldi, Y. Roman-Leshkov, J.Samec, B. Sels, F. Wang
Energy Environ. Sci., 2021, 14, 262-292


Catalyst Performance Studies on the Guerbet Reaction in a Continuous Flow Reactor Using Mono- and Bi-Metallic Cu-Ni Porous Metal Oxides

X.-Y. Xi, Z.-H. Sun, H.-T. Cao ; Y.-T. Pei, G.H. ten Brink, P.J. Deuss, K. Barta, H.J. Heeres
Catalysts, 2020, 10(9), 996

Downstream processing strategies for the lignin‐first biorefinery

Z. Sun, J. Cheng, D. Wang T. Yuan, G. Song, K. Barta
ChemSusChem, 2020, 13, 5199-5212

Development of ’Lignin-First’ Approaches for the Valorization of Lignocellulosic Biomass

T. I. Korányi, B. Fridrich, A. Pineda, K. Barta
Molecules, 2020, 25, 2815.

Stabilization strategies in biomass depolymerization using chemical functionalization.

Y. M. Questell-Santiago, M. V. Galkin, K. Barta, J. S. Luterbacher
Nat Rev Chem, 2020, 4, 311–330

Lignin‐first fractionation of softwood lignocellulose using a mild dimethyl carbonate and ethylene glycol organosolv process

A. De Santi, M. V. Galkin, C. W. Lahive, P. J. Deuss, K. Barta
ChemSusChem, 10.1002/cssc.201903526


Amination of β-hydroxyl acid esters via cooperative catalysis enables access to bio-based β-amino acid esters

A. Afanasenko, T. Yan, K. Barta
Communications Chemistry, 2019, volume 2, Article number: 127

Behind the paper:
Taking the ‘high road’ to renewable beta-amino acids

K. Barta

From Wood to Tetrahydro-2-benzazepines in Three Waste-Free Steps: Modular Synthesis of Biologically Active Lignin-Derived Scaffolds

S. Elangovan, A. Afanasenko, J. Haupenthal, Z. Sun, Y. Liu, A. K. H. Hirsch, K. Barta
ACS Cent. Sci. 2019, 5, 10, 1707-1716

First reactions about the paper:
A Road to Profitability from Lignin via the Production of Bioactive Molecules

W. Lan, J. S. Luterbacher​
ACS Cent. Sci. 2019, 5, 10, 1642-1644

The paper was highlighted in C&EN news, you can read the press release here:
Turning lignin into bioactive molecules in three green steps

Q&A with Katalin about the paper in The Medicine Maker:
Waste Not… How can wood be used to produce pharmaceutically relevant compounds?

Two-step catalytic conversion of lignocellulose to alkanes

Z. Sun, D. Buwaldaa and K. Barta
RSC Adv., 2019, 9, 23727-23734

Ruthenium and Iron‐Catalysed Decarboxylative N‐alkylation of Cyclic α‐Amino Acids with Alcohols: Sustainable Routes to Pyrrolidine and Piperidine Derivatives

A. Afanasenko, R. Hannah, T. Yan, S. Elangovan, K.Barta
ChemSusChem, 2019, 12, 3801 – 3807

Katalin Barta – Professor Barta was interviewed in celebration of her Netherlands’ Catalysis and Chemistry Conference Award 2019.

ChemCatChem, 2019, 11, 3575 – 3576

Primary benzylamines by efficient N-alkylation of benzyl alcohols using commercial Ni catalysts and easy-to-handle ammonia sources

Y. Liu, A. Afanasenko, S. Elangovan, Z. Sun, K. Barta
ACS Sustainable Chem. Eng., 2019, 7, 13, 11267-11274

Extraction of Lignin with High β-O-4 Content by Mild Ethanol Extraction and Its Effect on the Depolymerization Yield

D.S. Zijlstra, A. de Santi, B. Oldenburger, J. de Vries, K. Barta, P. J. Deuss
Journal of visualized experiments: JoVE, 143 (January 2019), 1-12. [e58575]

Exploring the selective demethylation of aryl-methyl ethers by a Pseudomonas Rieske monooxygenase

E. Lanfranchi, M. Trajkovic, K. Barta, J. G. de Vries, D.B. Janssen
ChemBioChem, 20(1), 118-125


Efficient nickel-catalysed N-alkylation of amines with alcohols

A. Afanasenko, S. Elangovan, M.C.A. Stuart, G. Bonura, F. Frusteric, K. Barta
Catal. Sci. Technol., 2018,8, 5498-5505

Bio-enriching gasoline

K. Barta
Nature Energy, 2018, 3(11), 917-918

N-alkylated amino acids and oligopeptides, uses thereof and methods for providing them

K. Barta, T. Yan, B.L. Feringa
Patent No. WO2018178397

Cleave and couple: toward fully sustainable catalytic conversion of lignocellulose to value added building blocks and fuels

Z. Sun, K. Barta
Chem. Commun., 2018,54, 7725-7745

Selective coupling of bio-derived aliphatic alcohols with acetone using hydrotalcite derived Mg-Al porous metal oxide and Raney Nickel

B. Fridrich, M.C.A. Stuart, K. Barta
ACS Sustainable Chem. Eng., 2018, 6 (7), 8468-8475

Bright side of lignin depolymerization: toward new platform chemicals

Z. Sun, B. Fridrich, A. de Santi, S. Elangovan, K. Barta
Chemical reviews 118 (2), 614-678

Complete lignocellulose conversion with integrated catalyst recycling yielding valuable aromatics and fuels

Z. Sun, G. Bottari, A. Afanasenko, M.C.A. Stuart, P.J. Deuss, B. Fridrich, K. Barta
Nature Catalysis 1 (1), 82-92


Direct N-alkylation of unprotected amino acids with alcohols

T. Yan, B.L. Feringa, K. Barta
Science Advances, 2017, 3 (12), eaao6494

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

P.J. Deuss, C.S. Lancefield, A. Narani, J.G. de Vries, N.J. Westwood, K. Barta
Green Chemistry, 2017, 19 (12), 2774-2782

Efficient Catalytic Conversion of Ethanol to 1-Butanol via the Guerbet Reaction over Copper- and Nickel-Doped Porous

Z. Sun, A. Couto Vasconcelos, G. Bottari, M. C. A. Stuart, G. Bonura, C. Cannilla, F. Frusteri, K. Barta
ACS Sustainable Chem. Eng., 2017, 5(2), 1738-1746

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

C.S. Lancefield, I. Panovic, P.J. Deuss, K. Barta, N.J. Westwood
Green Chemistry, 2017, 19 (1), 202-214

The Role of Homogeneous Catalysis in the Conversion of Biomass and Biomass Derived Platform Chemicals

P.J. Deuss, K. Barta, S. Hinze, J.G. de Vries
Chapter 36 in Applied Homogeneous Catalysis with Organometallic Compounds: A Comprehensive Handbook in Four Volumes, Third Edition.
Edited by B. Cornils, W. A. Herrmann, M. Beller, R. Paciello.
2018, Wiley-VCH Verlag GmbH & Co. KGaA.


Metal triflates for the production of aromatics from lignin

P.J. Deuss, C.W. Lahive, C.S. Lancefield, N.J. Westwood, P.C.J. Kamer, K. Barta, J.G. de Vries
ChemSusChem, 2016, 9(20), 2974-2981

Sustainable Pathways to Pyrroles through Iron‐Catalyzed N‐Heterocyclization from Unsaturated Diols and Primary Amines

T. Yan, K. Barta
ChemSusChem, 2016, 9 (17), 2321-2325

Advanced model compounds for understanding acid-catalyzed lignin depolymerization: Identification of renewable aromatics and a lignin-derived solvent

C.W. Lahive, P.J. Deuss, C.S. Lancefield, Z. Sun, D.B. Cordes, C.M. Young, F. Tran, A.M.Z. Slawin, J.G. de Vries, P.C.J. Kamer, N.J. Westwood, K. Barta
Journal of the American Chemical Society, 2016, 138 (28), 8900-8911

Method for reducing hydroxymethylfurfural (hmf)

K. Barta, G. Bottari, H.J. Heeres, B.L. Feringa
Patent No. WO2016043589

From models to lignin: Transition metal catalysis for selective bond cleavage reactions

P.J. Deuss, K. Barta
Coordination Chemistry Reviews, 2016, 306(2), 510-532

Benzylamines via iron-catalyzed direct amination of benzyl alcohols

T. Yan, B.L. Feringa, K. Barta
ACS Catalysis, 2016, 6 (1), 381-388

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

M. Scott, P.J. Deuss, J.G. de Vries, M.H.G. Prechtl, K. Barta
Catalysis Science & Technology, 2016, 6 (6), 1882-1891

Mapping reactivities of aromatic models with a lignin disassembly catalyst. Steps toward controlling product selectivity

C.M. Bernt, G. Bottari, J.A. Barrett, S.L. Scott, K. Barta, P.C. Ford
Catalysis Science & Technology, 2016, 6 (9), 2984-2994


Aromatic monomers by in situ conversion of reactive intermediates in the acid-catalyzed depolymerization of lignin

P.J. Deuss, M. Scott, F. Tran, N.J. Westwood, J.G. de Vries, K. Barta
Journal of the American Chemical Society, 2015, 137 (23), 7456-7467

Catalytic upgrading of sugar fractions from pyrolysis oils in supercritical mono-alcohols over Cu doped porous metal oxide

W. Yin, R.H. Venderbosch, G. Bottari, K.K. Krawzcyk, K. Barta, H.J. Heeres
Applied Catalysis B: Environmental, 2015, 166, 56-65

Copper–Zinc Alloy Nanopowder: A Robust Precious‐Metal‐Free Catalyst for the Conversion of 5‐Hydroxymethylfurfural

G. Bottari, A.J. Kumalaputri, K.K. Krawczyk, B.L. Feringa, H.J. Heeres, K. Barta
ChemSusChem, 2015, 8(8), 1323-1327

Efficient catalytic hydrotreatment of Kraft lignin to alkylphenolics using supported NiW and NiMo catalysts in supercritical methanol

A. Narani, R.K. Chowdari, C. Cannilla, G. Bonura, F. Frusteri, H.J. Heeres, K. Barta
Green Chemistry, 2015, 17(11), 5046-5057

Lactic acid and hydrogen from glycerol via acceptorless dehydrogenation using homogeneous catalysts

G. Bottari, K. Barta
Recyclable Catalysis, 2015, 2(1), 70-77

Solvent free depolymerization of Kraft lignin to alkyl-phenolics using supported NiMo and CoMo catalysts

C.R. Kumar, N. Anand, A. Kloekhorst, C. Cannilla, G. Bonura, F. Frusteri, K. Barta, H.J. Heeres
Green Chemistry, 2015, 17 (11), 4921-4930

Supercritical methanol as solvent and carbon source in the catalytic conversion of 1, 2-diaminobenzenes and 2-nitroanilines to benzimidazoles

Z. Sun, G. Bottari, K. Barta
Green Chemistry, 2015, 17 (12), 5172-5181


Iron catalysed direct alkylation of amines with alcohols

T. Yan, B.L. Feringa, K. Barta
Nature Communications, 2014, 5, [5602]

Tunable and Selective Conversion of 5‐HMF to 2, 5‐Furandimethanol and 2, 5‐Dimethylfuran over Copper‐Doped Porous Metal Oxides

A.J. Kumalaputri, G. Bottari, P.M. Erne, H.J. Heeres, K. Barta
ChemSusChem, 2014, 7(8), 2266-2275

Depolymerization of organosolv lignin using doped porous metal oxides in supercritical methanol

G. Warner, T.S. Hansen, A. Riisager, E.S. Beach, K. Barta, P.T. Anastas
Bioresource Technology, 2014, 161, 78-83

Catalytic conversion of nonfood woody biomass solids to organic liquids

K. Barta, P.C. Ford
Accounts of Chemical Research, 2014, 47(5), 1503-1512

Depolymerization of organosolv lignin to aromatic compounds over Cu-doped porous metal oxides

K. Barta, G.R. Warner, E.S. Beach, P.T. Anastas
Green Chemistry, 2014, 16(1), 191-196

Homogeneous catalysis for the conversion of biomass and biomass-derived platform chemicals

P.J. Deuss, K. Barta, J.G. de Vries
Catalysis Science & Technology, 2014, 4 (5), 1174-1196


One-pot reduction of 5-hydroxymethylfurfural via hydrogen transfer from supercritical methanol

T.S. Hansen, K. Barta, P.T. Anastas, P.C. Ford, A. Riisager
Green Chemistry, 2012, 14 (9), 2457-2461


One-pot catalytic conversion of cellulose and of woody biomass solids to liquid fuels

T.D. Matson, K. Barta, A.V. Iretskii, P.C. Ford
Journal of the American Chemical Society, 2011, 133(35), 14090-14097


Catalytic disassembly of an organosolv lignin via hydrogen transfer from supercritical methanol

K. Barta, T.D. Matson, M.L. Fettig, S.L. Scott, A.V. Iretskii, P.C. Ford
Green Chemistry, 2010, 12(9), 1640-1647


1, 1′‐Binaphthyl‐2, 2′‐diamine‐Based Chiral Phosphorous Triamides: Synthesis and Application in Asymmetric Catalysis

K. Barta, M. Eggenstein, M. Hölscher, G. Franciò, W. Leitner
European Journal of Organic Chemistry, 2009 (35), 6198-6204

Modular Synthesis of Novel Chiral Phosphorous Triamides Based on (S)‐N‐(Pyrrolidin‐2‐ylmethyl)aniline and Their Application in Asymmetric Catalysis

K. Barta, M. Hölscher, G. Franciò, W. Leitner
European Journal of Organic Chemistry, 2009 (24), 4102-4116


A New Class of 3′‐Sulfonyl BINAPHOS Ligands: Modulation of Activity and Selectivity in Asymmetric Palladium‐Catalysed Hydrophosphorylation of Styrene

K. Barta, G. Franciò, W. Leitner, G.C. Lloyd‐Jones, I.R. Shepperson
Advanced Synthesis & Catalysis, 2008, 350 (13), 2013-2023


[5]Ferrocenophane based ligands for stereoselective Rh-catalyzed hydrogenation and Cu-catalyzed Michael addition

A. Almassy, K. Barta, G. Francio, R. Sebesta, W. Leitner, S. Toma
Tetrahedron: Asymmetry, 2007, 18(16), 1893-1898.

Oxidative Carbonylation of Methanol to Dimethyl Carbonate by Chlorine-Free Homogeneous and Immobilized 2, 2′-Bipyrimidine Modified Copper Catalyst

S. Csihony, L.T. Mika, G. Vlád, K. Barta, C.P. Mehnert, I.T. Horváth
Collection of Czechoslovak Chemical Communications, 2007, 72 (8), 1094-1106