Hydrogen borrowing: Towards aliphatic tertiary amines from lignin model compounds using a supported copper catalyst.
Sign Up to like & getrecommendations! Published in 2022 at "ChemSusChem"
DOI: 10.1002/cssc.202200868
Abstract: Upcoming biorefineries, such as lignin-first provide renewable aromatics containing unique aliphatic alcohols. In this context, a Cu-ZrO2 catalyzed hydrogen borrowing approach was established to yield tertiary amine from the lignin model monomer 3-(3,4-dimethoxyphenyl)-1-propanol and the… read more here.
Keywords: catalyst; tertiary amine; hydrogen borrowing; lignin model ... See more keywords
Conversion of lignin model compounds by Pseudomonas putida KT2440 and isolates from compost
Sign Up to like & getrecommendations! Published in 2017 at "Applied Microbiology and Biotechnology"
DOI: 10.1007/s00253-017-8211-y
Abstract: Starting from mature vegetable compost, four bacterial strains were selected using a lignin-rich medium. 16S ribosomal RNA identification of the isolates showed high score similarity with Pseudomonas spp. for three out of four isolates. Further… read more here.
Keywords: lignin; model compounds; lignin model; growth ... See more keywords
Synergistic effects between electrocatalyst and electrolyte in the electrocatalytic reduction of lignin model compounds in a stirred slurry reactor
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Electrochemistry"
DOI: 10.1007/s10800-020-01429-w
Abstract: Abstract Valorization of biomass-derived substrates via electrocatalytic hydrogenation-hydrogenolysis (ECH) is an attractive approach for selective production of organic chemicals. The electrocatalytic activity is strongly dependent on the surface coverage of adsorbed hydrogen radicals, which is… read more here.
Keywords: synergistic effects; slurry reactor; model compounds; lignin model ... See more keywords
Photocatalytic Degradation of β-O-4 Lignin Model Compound by In2S3 Nanoparticles Under Visible Light Irradiation
Sign Up to like & getrecommendations! Published in 2017 at "BioEnergy Research"
DOI: 10.1007/s12155-017-9886-8
Abstract: Cleaving the abundant β-O-4 linkages in lignin is a key issue for producing value-added products by controlled lignin depolymerization. Herein, hydrothermally synthesized In2S3 nanoparticles were primarily used to photodegrade guaiacylglycerol-β-guaiacyl ether, a β-O-4 lignin model… read more here.
Keywords: in2s3 nanoparticles; lignin model; model compound;
A review on thermal chemical reactions of lignin model compounds
Sign Up to like & getrecommendations! Published in 2017 at "Catalysis Today"
DOI: 10.1016/j.cattod.2016.11.030
Abstract: Abstract Biomass-based energy fulfills the future need of sustainable humanity. The utilization of lignin which is a primary constituent of biomass still remains the world most difficult problem due to its highly aromatic polymeric structure.… read more here.
Keywords: model compounds; thermal chemical; chemistry; review thermal ... See more keywords
Pyrolysis mechanism of β-O-4 type lignin model polymers with different oxygen functional groups on Cα
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Analytical and Applied Pyrolysis"
DOI: 10.1016/j.jaap.2018.10.008
Abstract: Abstract Two kinds of linear lignin model polymers composed of only β-O-4 linkages with the Cα connected with a carbonyl group and a hydroxyl group, respectively, were synthesized to investigate the mechanism of lignin pyrolysis… read more here.
Keywords: different oxygen; mechanism; pyrolysis; lignin model ... See more keywords
Influence of vinyl ether intermediate over formation of Cβ=O and Cα=Cβ monomers during pyrolysis of lignin model dimers
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Analytical and Applied Pyrolysis"
DOI: 10.1016/j.jaap.2018.11.009
Abstract: Abstract Radical chain reactions of a β-ether-type lignin model dimer, 1-(3,4-dimethoxyphenyl)-2-(2-methoxyphenoxy)-1-propanol, were reinvestigated at 350 °C in closed ampoule reactors under the influence of wood (Japanese cedar) pyrolysis. The formation of vinyl ether dimers and Cβ=O… read more here.
Keywords: dimer; phenolic dimer; formation; vinyl ether ... See more keywords
Selective and efficient cleavage of lignin model compound into value-added aromatic chemicals with CuFe2O4 nanoparticles decorated on partially reduced graphene oxides via sunlight-assisted heterogeneous Fenton processes
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the Taiwan Institute of Chemical Engineers"
DOI: 10.1016/j.jtice.2019.02.007
Abstract: Abstract We developed a unique photocatalyst, CuFe2O4 nanoparticles decorated on partially reduced graphene oxides, to selectively and efficiently cleave lignin model compounds into value-added aromatic chemicals via a sun-light assisted heterogeneous Fenton process. Through proper… read more here.
Keywords: reduced graphene; graphene oxides; lignin model; model ... See more keywords
Hydrogenolysis of lignin model compounds into aromatics with bimetallic Ru-Ni supported onto nitrogen-doped activated carbon catalyst
Sign Up to like & getrecommendations! Published in 2018 at "Molecular Catalysis"
DOI: 10.1016/j.mcat.2017.12.009
Abstract: Abstract Lignin is the most abundant and renewable resources for production of natural aromatics. In this paper, new bimetallic catalytic system of Ru and Ni supported onto nitrogen-doped activated carbon (Ru-Ni-AC/N) was developed and its… read more here.
Keywords: lignin; model compounds; catalyst; lignin model ... See more keywords
Studies of the Fragmentation Mechanisms of Deprotonated Lignin Model Compounds in Tandem Mass Spectrometry.
Sign Up to like & getrecommendations! Published in 2020 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.0c02275
Abstract: Unlabeled and deuterium labeled dimeric lignin model compounds with β-O-4 linkages were evaporated and ionized us-ing negative ion mode electrospray ionization, transferred into a linear quadrupole ion trap, isolated and subjected to collision-activated dissociation (CAD;… read more here.
Keywords: mass spectrometry; model compounds; model; lignin model ... See more keywords
Bond cleavage of lignin model compounds into aromatic monomers using supported metal catalysts in supercritical water
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep46172
Abstract: More efficient use of lignin carbon is necessary for carbon-efficient utilization of lignocellulosic biomass. Conversion of lignin into valuable aromatic compounds requires the cleavage of C–O ether bonds and C–C bonds between lignin monomer units.… read more here.
Keywords: supported metal; cleavage; model compounds; metal catalysts ... See more keywords