A Multiphase Protocol for Selective Hydrogenation and Reductive Amination of Levulinic Acid with Integrated Catalyst Recovery.
Sign Up to like & getrecommendations! Published in 2019 at "ChemSusChem"
DOI: 10.1002/cssc.201900925
Abstract: At 60-150 °C and 15-35 bar H2 , two model reactions of levulinic acid (LA), hydrogenation and reductive amination with cyclohexylamine, were explored in a multiphase system composed of an aqueous solution of reactants, a hydrocarbon, and… read more here.
Keywords: levulinic acid; hydrogenation reductive; reductive amination; amination ... See more keywords
Visible light-induced unactivated δ-C(sp3)-H amination of alcohols catalyzed by iron.
Sign Up to like & getrecommendations! Published in 2022 at "ChemSusChem"
DOI: 10.1002/cssc.202201241
Abstract: An iron-catalyzed remote C(sp 3 )-H amination of aliphatic alcohols through 1,5-hydrogen atom transfer is developed. This protocol provides a method to generate δ-C(sp 3 )-N bonds from primary, secondary, and tertiary alcohols under mild… read more here.
Keywords: light induced; unactivated sp3; iron; induced unactivated ... See more keywords
Recent catalytic advances on the sustainable production of primary furanic amines from the one-pot reductive amination of 5-hydroxymethylfurfural.
Sign Up to like & getrecommendations! Published in 2022 at "ChemSusChem"
DOI: 10.1002/cssc.202201846
Abstract: 5-Hydroxymethylfurfural (5-HMF) represents a well-known class of lignocellulosic biomass-derived platform molecules. With the presence of many reactive functional groups in the structure, this versatile building block could be valorized into a plenty of value-added products.… read more here.
Keywords: furanic amines; primary furanic; reductive amination; hmf ... See more keywords
Solvent-less amination of lignin and natural phenolics using 2-oxazolidinone.
Sign Up to like & getrecommendations! Published in 2023 at "ChemSusChem"
DOI: 10.1002/cssc.202300276
Abstract: Reactive amine compounds are critical for a vast array of useful chemicals in society, yet limited number of them are derived from renewable resources. This study developed an efficient route to obtain aminated building blocks… read more here.
Keywords: amination lignin; solvent less; lignin natural; less amination ... See more keywords
Vicinal Diamines as Smart Cosubstrates in the Transaminase-Catalyzed Asymmetric Amination of Ketones
Sign Up to like & getrecommendations! Published in 2017 at "European Journal of Organic Chemistry"
DOI: 10.1002/ejoc.201700253
Abstract: Transaminases (TAs) have recently been established as catalysts for the asymmetric, reductive amination of prochiral ketones. Depending on the ketone substrate and the amine donor (the cosubstrate), equilibrium constants may limit high conversions; thus, methods… read more here.
Keywords: cosubstrates transaminase; diamines smart; transaminase catalyzed; smart cosubstrates ... See more keywords
Direct Amination of Benzene with NH3 and H2O2 Over Hierarchical Fe,Cu/ZSM-5 Prepared by Post-synthesis Treatment of Nanocrystallite B–ZSM-5
Sign Up to like & getrecommendations! Published in 2019 at "Catalysis Letters"
DOI: 10.1007/s10562-019-03026-9
Abstract: Hierarchical Fe,Cu/ZSM-5 was prepared by post-synthesis treatment of nanocrystallite B–ZSM-5. The hierarchical MFI zeolites containing Fe and/or Cu were characterized with XRD, FT-IR, SEM, UV–Vis and N2-sorption techniques. UV–Vis and FT-IR spectroscopy demonstrated that some… read more here.
Keywords: direct amination; zsm prepared; benzene; amination ... See more keywords
Elimination and Substitution Compete During Amination of Poly(vinyl chloride) with Ehtylenediamine: XPS Analysis and Approach of Active Site Index
Sign Up to like & getrecommendations! Published in 2018 at "Macromolecular Research"
DOI: 10.1007/s13233-018-6123-z
Abstract: Various chemical modification methods have been tried on PVC polymer materials for recycling and functionalization purpose. These methods employ substitution, elimination (dehydrochlorination) and grafting polymerization processes. PVC is treated with ethylenediamine (EDA) for amine grafting… read more here.
Keywords: treated eda; xps; spectroscopy; amination ... See more keywords
Synthesis of biobased reactive hydroxyl amines by amination reaction of cardanol-based epoxy monomers
Sign Up to like & getrecommendations! Published in 2019 at "European Polymer Journal"
DOI: 10.1016/j.eurpolymj.2019.06.020
Abstract: Abstract Most of the current amines are issued from petrochemical resources and only a few of them are derived from biomass. Hence, there are increasing expectations for bio-based amines, particularly for aromatic ones. We have… read more here.
Keywords: amination reaction; amination; bio based; cardanol based ... See more keywords
Reductive amination of levulinic acid to N-substituted pyrrolidones over RuCl3 metal ion anchored in ionic liquid immobilized on graphene oxide
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2020.01.020
Abstract: Abstract Reductive amination of biomass derived Levulinic acid (LA) for the synthesis of N-substituted pyrrolidones is one of the highly attractive routes for biomass valorization. The supported homogeneous metal precursor into the solid surface is… read more here.
Keywords: ionic liquid; levulinic acid; reductive amination; substituted pyrrolidones ... See more keywords
Investigation on the preparation of 2,2-difluoroethylamine by amination of 1-halo-2,2-difluoroethane
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Fluorine Chemistry"
DOI: 10.1016/j.jfluchem.2020.109690
Abstract: Abstract The synthesis of 2,2-difluoroethylamine via the amination of 1-halo-2,2-difluoroethane (halogen = Cl or Br) without catalyst and solvent was studied by experiment and theoretical calculation. In order to compare the difficulty in the amination of 1-halo-2,2-difluoroethane… read more here.
Keywords: difluoroethane; halo difluoroethane; difluoroethylamine; amination halo ... See more keywords
Copper-catalyzed enantioselective direct α-C-H amination of β-dicarbonyl derivatives with aryl hydroxylamines and mechanistic insights
Sign Up to like & getrecommendations! Published in 2020 at "Molecular Catalysis"
DOI: 10.1016/j.mcat.2020.111067
Abstract: Abstract We report a novel and efficient Cu-catalyzed direct asymmetric amination of tertiary β-carbonyl compounds using aryl hydroxylamine as electrophilic nitrogen donor. The process facilitates the convenient and direct synthesis of chiral α-amino carbonyl derivatives,… read more here.
Keywords: direct amination; amination dicarbonyl; catalyzed enantioselective; enantioselective direct ... See more keywords