Single pot selective hydrogenation of furfural to 2-methylfuran over carbon supported iridium catalysts

Date, Nandan S.; Hengne, Amol M.; Huang, Kuo‐Wei; Chikate, Rajeev C.; Rode, C.V.

doi:10.1039/c8gc00284c

Cited by 103 publications

(67 citation statements)

References 54 publications

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“…[8][9][10] Several reports have shown catalytic conversion of FF to furfuryl alcohol (FOL), tetrahydrofurfuryl alcohol (THFOL), methylfuran (MF), methyltetrahydrofuran (MTHF), and pentanediols over solid catalysts. [11][12][13][14][15][16][17][18][19] These renewable chemicals could potentially replace petroleum derived chemicals in various sectors such as polymer industries, drug synthesis, and transportation fuels. 1 Long chain alcohols, particularly pentanol isomers, have gained interest for use as gasoline additives because of their high energy density and low hygroscopicity compared to ethanol.…”

Section: Introductionmentioning

confidence: 99%

Single-step catalytic conversion of furfural to 2-pentanol over bimetallic Co–Cu catalysts

et al. 2019

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Section: Introductionmentioning

confidence: 99%

Single-step catalytic conversion of furfural to 2-pentanol over bimetallic Co–Cu catalysts

et al. 2019

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“…From the FT‐IR spectra (Figure ), the broad band observed at 3571 cm −1 may be ascribed to the O−H stretching vibrations for CeO 2 . The absorption band at 1368.79 cm −1 corresponds to physically adsorbed water molecules .…”

Section: Resultsmentioning

confidence: 96%

Palladium‐Supported Nanoceria: A Highly Efficient Catalyst for Solvent‐Free Selective Oxidation of Ethylbenzene to Acetophenone

Kalita

Saikia

2020

ChemistrySelect

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The benzylic C−H oxidation of ethylbenzene, a toxic petroleum waste, to high value‐added acetophenone is a fundamental yet important chemical transformation. Herein, palladium nanoparticles were immobilized on a highly mesoporous CeO2 surface for enhancing the catalytic activity. The Pd/CeO2nanocomposite was employed in the benzylic C−H oxidation of ethylbenzene under solvent‐free conditions and using tert‐butyl hydroperoxide as oxidant which displayed high conversion of 99.8% and a selectivity of 79% towards acetophenone. Moreover, the Pd/CeO2 catalysts were highly stable and could be recycled up to the fifth catalytic cycle without remarkable loss in its catalytic activity.

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“…Other noble metals, such as Ir and Au, have been applied for furfural hydrogenation to MF [173,182,183]. Selective TOF over Au/Al 2 O 3 (at 150 • C) was obtained, which is significantly higher than the benchmark supported Cu catalysts that operated at higher temperatures (180-220 • C).…”

Section: Ru and Other Noble Metal Based Catalystsmentioning

confidence: 99%

“…Selective TOF over Au/Al 2 O 3 (at 150 • C) was obtained, which is significantly higher than the benchmark supported Cu catalysts that operated at higher temperatures (180-220 • C). The higher selective hydrogenation rate can be linked to the greater capacity of nano-sized Au to chemisorb/activate H 2 , in comparison with supported Cu [182]. Date et al prepared various Ir supported catalysts, and reported that Ir/C catalyst with metallic (Ir o ) and oxide (IrO 2 ) phases could give rise to 95% of MF yield at very low H 2 pressure of~6.9 bar ( Table 6, entry 13).…”

Section: Ru and Other Noble Metal Based Catalystsmentioning

confidence: 99%

Recent Advances in Catalytic Hydrogenation of Furfural

et al. 2019

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Furfural has been considered as one of the most promising platform molecules directly derived from biomass. The hydrogenation of furfural is one of the most versatile reactions to upgrade furanic components to biofuels. For instance, it can lead to plenty of downstream products, such as (tetrahydro)furfuryl alcohol, 2-methyl(tetrahydro)furan, lactones, levulinates, cyclopentanone(l), or diols, etc. The aim of this review is to discuss recent advances in the catalytic hydrogenation of furfural towards (tetrahydro)furfuryl alcohol and 2-methyl(tetrahydro)furan in terms of different non-noble metal and noble metal catalytic systems. Reaction mechanisms that are related to the different catalytic materials and reaction conditions are properly discussed. Selective hydrogenation of furfural could be modified not only by varying the types of catalyst (nature of metal, support, and preparation method) and reaction conditions, but also by altering the reaction regime, namely from batch to continuous flow. In any case, furfural catalytic hydrogenation is an open research line, which represents an attractive option for biomass valorization towards valuable chemicals and fuels.FA is a very important monomer for the synthesis of furan resins, which are widely used in thermoset polymer matrix composites, cements, adhesives, coatings, and casting/foundry resins. This molecule is also used as a non-reactive diluent for epoxy resin, a modifier for phenolic and urea resins, an oil well, and a carbon binder. Furthermore, the salt of FA is used in the synthesis of lysine, vitamin C, lubricants, and plasticizers [22,23]. Moreover, it should be highlighted that FA is also an important intermediate for the production of further hydrogenation products (as shown in Scheme 1), such as 2-methylfuran (MF), a potential alternative fuel with better combustion performance and higher Research Octane Number (RON = 103) than that of gasoline (RON = 96.8) [24]. In other applications, MF is used in perfume intermediates, chloroquine lateral chains in medical intermediates, and as a raw material for the production of chrysanthemate pesticides [25].Moreover, tetrahydrofurfuryl alcohol (THFA) can be used as a green solvent in the pharmaceutical industry and, in addition, it constitutes an outstanding intermediate to produce dihydropyran [26], pyridine [27], tetrahydrofuran, and pentan-1,5-diol [28][29][30]. Particularly, the latest molecule is an important monomer in the plastics industry. Furthermore, 2-methyltetrahydrofuran (MTHF) is quite engaging for its possible applications in organometallic chemistry, as well as in organic reactions that are related to organocatalysis, biotransformations, and biomass processing [31]. Catalysts 2019, 9, 796 3 of 33 Catalysts 2018, 8, x FOR PEER REVIEW 3 of 36 Scheme 1. Illustrative representation of reaction pathways in furfural hydrogenation.Other downstream products of furfural hydrogenation, such as (tetrahydro)furan [32], tetrahydrofurfural [33], lactones [34][35][36][37], levulinates [38,39], cyclopentanone...

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Single pot selective hydrogenation of furfural to 2-methylfuran over carbon supported iridium catalysts

Abstract: Various iridium supported carbon catalysts were prepared and screened for the direct hydrogenation of furfural (FFR) to 2-methyl furan (2-MF).

Cited by 103 publications

References 54 publications

Single-step catalytic conversion of furfural to 2-pentanol over bimetallic Co–Cu catalysts

Single-step catalytic conversion of furfural to 2-pentanol over bimetallic Co–Cu catalysts

Palladium‐Supported Nanoceria: A Highly Efficient Catalyst for Solvent‐Free Selective Oxidation of Ethylbenzene to Acetophenone

Recent Advances in Catalytic Hydrogenation of Furfural

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