Recyclable Ir Nanoparticles for the Catalytic Hydrogenation of Biomass-Derived Carbonyl Compounds

The valorisation of biomass-derived platform chemicals via catalytic hydrogenation is an eco-friendly tool which allows us to recover bio-based building blocks and produce fine chemicals with high industrial appeal. In the present study, a novel surfactant-type triazolyl-thioether ligand was prepare...

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Bibliographic Details
Published in:Catalysts 2021-08, Vol.11 (8), p.914
Main Authors: Sole, Roberto, Buranello, Chiara, Bardella, Noemi, Di Michele, Alessandro, Paganelli, Stefano, Beghetto, Valentina
Format: Article
Language:English
Subjects:
Alcohol
Biomass
Carbonyl compounds
Carbonyls
Catalysis
Catalysts
Catalytic activity
Chemical reactions
Cinnamaldehyde
Citral
click chemistry
Dichlorides
Experiments
Fine chemicals
Green chemistry
Hydrogenation
Hydroxymethylfurfural
Iridium
Levulinic acid
Ligands
Liquid-liquid extraction
Nanoparticles
platform chemicals
recyclable
Recycling
Solvents
Surfactants
Vanillin
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Summary:The valorisation of biomass-derived platform chemicals via catalytic hydrogenation is an eco-friendly tool which allows us to recover bio-based building blocks and produce fine chemicals with high industrial appeal. In the present study, a novel surfactant-type triazolyl-thioether ligand was prepared, showing excellent catalytic activity in the presence of bis(1,5-cyclooctadiene)diiridium(I) dichloride [Ir(COD)Cl]2 for the hydrogenation of furfural, cinnamaldehyde, levulinic acid, 5-hydroxymethylfurfural, vanillin, and citral. Easy recovery by liquid/liquid extraction allowed us to recover the catalyst, which could then be efficiently recycled up to 11 times for the hydrogenation of furfural. In-depth analysis revealed the formation of spherical structures with metal nanoparticles as big as 2–6 nm surrounded by the anionic ligand, preventing iridium nanoparticle degradation.
ISSN:2073-4344
2073-4344
DOI:10.3390/catal11080914