Rational design for the fabrication of bulk Ni<sub>3</sub>Sn<sub>2</sub> alloy catalysts for the synthesis of 1,4-pentanediol from biomass-derived furfural without acidic co-catalysts

“…The spectra of adsorbed species were obtained after introduction of 1-2 ml pyridine at room temperature, followed by purging with N2 flow at 50 °C until the spectra were stable. According to the literatures of pyridine adsorption peaks on Sncontaining catalysts [50,51], the bands are assigned in the following way. Pyridinium ion (PyH + ) produced by the reaction of pyridine with Brønsted acid sites (B) shows bands around 1633 cm −1 (v8a).…”

Section: Structure-activity Relationshipmentioning

confidence: 99%

Bimetallic Ru-Sn as Effective Catalysts for the Selective Hydrogenation of Biogenic Platform Chemicals at Room Temperature

Azzahra,

Dewi,

Mikrianto

et al. 2023

Bull. Chem. React. Eng. Catal.

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Supported bimetallic ruthenium-tin (denoted as Ru-Sn(x); x = molar ratio of Ru/Sn) catalysts were examined for room temperature (RT) hydrogenation of biogenic platform chemicals of levulinic acid (LA) to g-valerolactone (GVL). Six types of metal oxide support c.a. Nb2O5, TiO2, ZnO, ZrO2, g-Al2O3, active charcoal (AC), were employed as the support for Ru-Sn(x). Ru-Sn(3.0)/Nb2O5 (Ru/Sn = 3.0) that reduced at 500 oC demonstrated the highest yield of GVL (98%) at 30 oC, 30 bar H2 for 3 h. The increase in Sn loading amount (Ru/Sn = 1.5) resulted in decreasing of LA conversion (83%) under the same reaction conditions. Among the studied supported Ru-Sn catalysts, Nb2O5 and ZnO supports exhibited better catalytic performances than that other for RT hydrogenation of LA and various biogenic platform chemicals. The Ru-Sn(3.0)/Nb2O5 catalyst was characterized by means of various adsorption and spectroscopic techniques. The Ru-Sn(3.0)/Nb2O5 catalyst was found to be reusable without any significant loss of its activity. Copyright © 2023 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).

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Conversion of Penta‐Acetyl‐Xylitol to 3‐Acetoxymethylene‐Tetrahydrofuran by a Combined Hetero‐/Homogeneous Tandem Catalyst System

England,

Slater‐Eddy,

Earnden

et al. 2024

ChemCatChem

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A tandem catalyst system comprised of trifluoromethanesulfonic (triflic acid, HOTf) or Hafnium tetratriflate (Hf(OTf)4) and Ru/C in glacial acetic acid (HOAc) as the solvent at 200 °C and ~ 7 MPa hydrogen pressure in a batch reactor converts penta‐acetyl‐xylitol ((2R,3R,4S)‐Pentane‐1,2,3,4,5‐penta‐acetoxy‐pentane) or unprotected xylitol to 3‐acetoxymethylene‐tetrahydrofuran (3‐AMT) in up to 15 % yield at full conversion. A comparative analysis by SEM‐EDS and XPS of the fresh commercial Ru/C catalyst vs catalyst reused and recovered after 5 cycles shows increasing aggregation of ruthenium to larger particles with a concomitant decrease in yield of 3‐AMT to 8‐9 % for cycles 4 and 5. 3‐AMT or its hydrolysis product 3‐hydroxymethyl‐tetrahydrofuran (3‐HMT) are valuable synthons for the preparation of agrochemicals, pharmaceuticals and specialty polyurethanes and polyesters.

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Rational design for the fabrication of bulk Ni₃Sn₂ alloy catalysts for the synthesis of 1,4-pentanediol from biomass-derived furfural without acidic co-catalysts

Abstract: The bulk Ni3Sn2 alloy catalysts exhibited highly active and selective for de/hydration–hydrogenation of biomass-derived furfural to produce 1,4-pentanediol (87%) without the acidic co-catalyst.

Cited by 5 publications

References 54 publications

Catalytic production of 1,4-pentanediol from lignocellulosic biomass

Catalytic production of 1,4-pentanediol from lignocellulosic biomass

Bimetallic Ru-Sn as Effective Catalysts for the Selective Hydrogenation of Biogenic Platform Chemicals at Room Temperature

Conversion of Penta‐Acetyl‐Xylitol to 3‐Acetoxymethylene‐Tetrahydrofuran by a Combined Hetero‐/Homogeneous Tandem Catalyst System

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Rational design for the fabrication of bulk Ni3Sn2 alloy catalysts for the synthesis of 1,4-pentanediol from biomass-derived furfural without acidic co-catalysts

Abstract: The bulk Ni3Sn2 alloy catalysts exhibited highly active and selective for de/hydration–hydrogenation of biomass-derived furfural to produce 1,4-pentanediol (87%) without the acidic co-catalyst.

Cited by 5 publications

References 54 publications

Catalytic production of 1,4-pentanediol from lignocellulosic biomass

Catalytic production of 1,4-pentanediol from lignocellulosic biomass

Bimetallic Ru-Sn as Effective Catalysts for the Selective Hydrogenation of Biogenic Platform Chemicals at Room Temperature

Conversion of Penta‐Acetyl‐Xylitol to 3‐Acetoxymethylene‐Tetrahydrofuran by a Combined Hetero‐/Homogeneous Tandem Catalyst System

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Rational design for the fabrication of bulk Ni₃Sn₂ alloy catalysts for the synthesis of 1,4-pentanediol from biomass-derived furfural without acidic co-catalysts