Category: 97-99-4

Herrera, C.; Fuentealba, D.; Ghampson, I. T.; Sepulveda, C.; Garcia-Fierro, J. L.; Canales, Roberto I.; Escalona, N. published the artcile< Selective conversion of biomass-derived furfural to cyclopentanone over carbon nanotube-supported Ni catalyst in Pickering emulsions>, Related Products of 97-99-4, the main research area is furfural hydrogenation cyclopentanone carbon nanotube nickel catalyst Pickering emulsion.

A well-characterized carbon nanotube-supported nickel catalyst (Ni/CNTox) was assembled at the liquid-liquid interface and evaluated for the conversion of furfural. The nanoparticles were found to be mainly distributed on the interface of the emulsion droplets, forming stable Pickering emulsion. Catalytic activity was studied under different reaction conditions to determine an optimal condition for the rearrangement of furfural to cyclopentanone, an important precursor to valuable chems. It was found that the highest furfural conversion (35%) and cyclopentanone yield (25%) was obtained at 200 oC, 2 MPa of H2 pressure, and with the same dodecane/water ratio after 1 h of reaction.

Catalysis Communications published new progress about Carbon nanotubes (catalyst support). 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, Related Products of 97-99-4.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Meng, Xiaoyu; Wang, Lei; Chen, Lifang; Xu, Ming; Liu, Ning; Zhang, Junbo; Yang, Yusen; Wei, Min published the artcile< Charge-separated metal-couple-site in NiZn alloy catalysts towards furfural hydrodeoxygenation reaction>, Recommanded Product: (Tetrahydrofuran-2-yl)methanol, the main research area is nickel zinc alloy catalyst furfural hydrodeoxygenation reaction.

Catalytic conversion of biomass furfural (FAL) to high value-added products (e.g., 2-methylfuran, MF) has attracted considerable attention, in which control over catalytic selectivity plays a crucial issue. Herein, a series of heterogonous NiZn alloy supported on the mixed metal oxides (MMO) were synthesized derived from layered double hydroxides (LDHs) with various Ni/Zn ratio (3/1, 1/1 or 1/3). XRD, HRTEM and XAFS measurements confirm that with the increase of Zn content, the corresponding NiZn alloy transforms from α-NiZn to β-NiZn. Dramatically, the selectivity of MF displays an improvement from 12% to 95% along with this phase transformation process; and the MF yield reaches to 95% over Ni1Zn3-MMO sample. A combination study including XPS, CO-DRIFTS, in situ FT-IR and DFT calculation verifies that metallic Ni serves as active site, resulting in an effective suppression of side reactions. Moreover, a charge-separated metal-couple-site (Niδ–Znδ+) is on the surface of Ni1Zn3-MMO originating from electron transfer between Ni and Zn. This active structure stabilizes a η2(C, O) adsorption configuration of intermediate, in which C atom is bonded to the Niδ- site and O atom is attached to the Znδ+ site. This work provides an efficient and cost-effective catalyst that can simultaneously inhibit C=C hydrogenation and promote C-O cleavage, which would be potentially used in catalytic conversion of biomass-derived platform mols.

Journal of Catalysis published new progress about Adsorption energy. 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, Recommanded Product: (Tetrahydrofuran-2-yl)methanol.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Mironenko, R. M.; Belskaya, O. B.; Likholobov, V. A. published the artcile< Solvent effect on the rate and direction of furfural transformations during hydrogenation over the Pd/C catalyst>, Electric Literature of 97-99-4, the main research area is furfural palladium catalyst hydrogenation kinetics solvent effect.

The rate and directions of transformations during the liquid-phase hydrogenation of furfural with mol. hydrogen in the presence of the 5%Pd/C catalyst (at 423 K, 3 MPa) depend substantially on the chem. nature of the solvent. The main products of the catalytic transformations in alcs. are alkyl furyl ethers. Hydrogenation in solvent environment of aromatic hydrocarbons and 1,4-dioxane (nonpolar solvents), as well as in Et acetate and DMF (polar aprotic solvents) leads to the predominant formation of furfuryl alc., and its highest selectivity (up to 92%) is achieved with the use of DMF.

Russian Chemical Bulletin published new progress about Hydrogenation. 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, Electric Literature of 97-99-4.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Li, Zhi-Xin; Wei, Xian-Yong; Yang, Zheng; Li, Jun; Yan, Wei-Wei; Bie, Lei-Lei; Zhang, Yang-Yang; Li, Sheng; Zong, Zhi-Min published the artcile< Selective hydrogenation of bio-based furfural over Co-based catalysts derived from zeolitic imidazolate frame materials>, Name: (Tetrahydrofuran-2-yl)methanol, the main research area is hydrogenation bio furfural cobalt catalyst zeolitic imidazolate frame.

Co-Zn/NC was prepared by a sacrificial template self-reduction method with zeolitic imidazolate frame-8 (ZIF-8) impregnating the Co2+ as the precursor. At 125°C for 2.5 h, furfural was completely converted to furan-2-ylmethanol (FM) over Co17Zn/NC600, while FM selectivity over Co/NC600 is only 70.6%. According to multiple characterizations, Co17Zn/NC600 (Co loading 17%, calcined at 600°C) consists of flower-like spherical Co3ZnC nanoparticles (NPsCo3ZnC) uniformly distributed on its surface. The NPsCo3ZnC are the main active ingredients for highly selective furfural hydrogenation to FM, which is confirmed by furfural hydrogenation over Co-Zn/NC prepared with different Co loadings and different calcination temperatures The excellent activity and stability of Co17Zn/NC600 were confirmed by recycling experiment and furfural conversion is still above 90% after repeated use of Co17Zn/NC600 for 8 cycles.

Molecular Catalysis published new progress about Binding energy. 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, Name: (Tetrahydrofuran-2-yl)methanol.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Date, Nandan S.; Hengne, Amol M.; Huang, K.-W.; Chikate, Rajeev C.; Rode, Chandrashekhar V. published the artcile< One pot hydrogenation of furfural to 2-methyl tetrahydrofuran over supported mono- and bi-metallic catalysts>, Product Details of C5H10O2, the main research area is iron nickel metallic hydrogenation catalyst furfural methyl THF.

2-Methyltetrahydrofuran is a valuable com. product that can be obtained by direct hydrogenation of furfural. In the present study, among several carbon supported bimetallic Ir-Ni catalysts with different loadings screened, 4% Ir-4% Ni/C catalyst showed excellent activity in terms of direct conversion (99%) to 2-MeTHF with a maximum selectivity of ∼74% at 220°C and 750 psig, suppressing the formation of side chain as well as ring opening products. The catalytic activity was found to be mainly affected by catalyst preparation methods, metal loadings, surface composition, temperature, pressure and catalyst loading. HR-TEM and STEM revealed well dispersed Ir-Ni NPs having the particle sizes in the range of 2 to 5 nm. Different phases of Ir i. e. Ir° and IrO2 as well as oxygen vacancies were found to be responsible for hydrogenation of furfural to 2-Me furan while, Ni° and NiO were responsible for further hydrogenation to 2-MeTHF. The synergic effect between Ir and Ni was established through XPS, H2-TPR anal. With the help of some control experiments, the plausible reaction pathway was also proposed. The catalyst prepared by co-impregnation method found more effective than prepared by sequential addition method. At lower Ni loadings of 1% and 2%, low temperature of 160°C as well as at low H2 pressure of 250 psig, mixture of furfuryl alc. and 2-Me furan were formed selectively. Catalyst could be successfully reused up to 3 times without leaching of metals.

ChemistrySelect published new progress about Charcoal Role: CAT (Catalyst Use), PRP (Properties), USES (Uses). 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, Product Details of C5H10O2.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Wu, Zhi-Lei; Wang, Jian; Wang, Shuo; Zhang, Ya-Xin; Bai, Guo-Yi; Ricardez-Sandoval, Luis; Wang, Gui-Chang; Zhao, Bin published the artcile< Controllable chemoselective hydrogenation of furfural by PdAg/C bimetallic catalysts under ambient operating conditions: an interesting Ag switch>, Category: tetrahydrofurans, the main research area is chemoselective hydrogenation furfural PdAg carbon bimetallic catalyst.

Hydrogenation of furfural to value-added chem. products is largely hindered by its multiple reaction pathways and complicated product distribution. Thus, to selectively achieve the desired products, catalysts with precise catalytic properties are highly required. Herein, a series of PdAg bimetallic nanoparticles (NPs) of similar size and tunable composition supported on activated carbon (Pd4Ag1/C, Pd2Ag1/C, Pd1Ag1/C and Pd2Ag3/C) were synthesized in a controlled manner and applied in the selective hydrogenation of furfural. Interestingly, an obvious composition-dependent catalytic performance was observed: upon incrementally increasing the proportion of Ag in PdAg NPs, the hydrogenation selectivity can transform from tetrahydrofurfuryl alc. (sel. 94% for Pd4Ag1/C) to furfuryl alc. (sel. 95% for Pd1Ag1/C) with nearly complete conversion (99%) of furfural. DFT calculations revealed that the adsorption free energy of in situ generated furfuryl alc. on Pd(111) surface is inversely proportional correlated with the Ag content in PdAg bimetallic NPs, which accounts for the alteration of chemoselectivity. Importantly, the present study is the first demonstration of composition-induced selectivity reversal for the hydrogenation of furfural under ambient conditions (25°C, 0.1 MPa H2).

Green Chemistry published new progress about Hydrogenation, chemoselective. 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, Category: tetrahydrofurans.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Liu, Wei; Yang, Yusen; Chen, Lifang; Xu, Enze; Xu, Jiaming; Hong, Song; Zhang, Xin; Wei, Min published the artcile< Atomically-ordered active sites in NiMo intermetallic compound toward low-pressure hydrodeoxygenation of furfural>, Application of C5H10O2, the main research area is nickel molybdenum intermetallic compound furfural hydrodeoxygenation catalyst.

Activation of oxygen-containing functional groups plays a key role in sustainable biomass upgrading and conversion. In this work, a NiMo intermetallic compound (IMC) catalyst was prepared based on layered double hydroxides (LDHs) precursors, which displayed prominent catalytic performance for furfural hydrodeoxygenation (HDO) to 2-methylfuran (2-MF) (yield: 99%) at a rather low hydrogen pressure (0.1 MPa), significantly superior to NiMo alloy, monometallic Ni and other Ni-based catalysts ever reported. CO-IR, STEM, EXAFS and XANES give direct evidences that the atomically-ordered Ni/Mo sites in NiMo IMC determine the uniform bridging-type adsorption mode of C=O bond in furfural while adsorption of furan ring is extremely suppressed. In situ FT-IR and DFT calculation further substantiate that ordered Ni-Mo bimetallic sites of IMC, in contrast to the random at. sequence in NiMo alloy, facilitate the activation and cleavage of C-OH bond in the intermediate (furfuryl alc., FOL), accounting for the production of 2-MF. This work demonstrates the decisive effect of atomically-ordered active sites in IMC catalyst on activation of oxygen-containing functional groups and product selectivity, which can be extended to catalytic upgrading of biomass-derived platform mols.

Applied Catalysis, B: Environmental published new progress about Deoxidation. 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, Application of C5H10O2.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Ruan, Luna; Zhang, Huan; Zhou, Man; Zhu, Lihua; Pei, An; Wang, Jiexiang; Yang, Kai; Zhang, Chuanqun; Xiao, Suqun; Chen, Bing Hui published the artcile< A highly selective and efficient Pd/Ni/Ni(OH)2/C catalyst for furfural hydrogenation at low temperatures>, Recommanded Product: (Tetrahydrofuran-2-yl)methanol, the main research area is furfural hydrogenation nickel palladium carbon nanocatalyst furfuryl alc.

Hydrogenation of furfural (FF) produces a train of products such as furfuryl alc. (FFA), tetrahydrofurfuryl alc. (THFFA) and 2-methylfuran (2-MF). The Pd/Ni/Ni(OH)2/C nanocatalyst was successfully prepared under mild conditions by hydrazine hydrate reduction and galvanic replacement methods. Pd/Ni/Ni(OH)2/C had much higher conversion of furfural and selectivity toward furfuryl alc. for the selective hydrogenation of furfural than the monometallic catalysts (eg. Pd/C or Ni/C) due to its unique nanostructure of palladium island-on-Ni/Ni(OH)2 nanoparticles and thus the synergy effect between Pd, Ni and Ni(OH)2 related species. The proposed mechanism of the synergistic effect was also provided. Pd/Ni/Ni(OH)2/C showed high selectivity (90.0% or 92.4%) to furfuryl alc. at quite low reaction temperatures (5°C or 10°C), and had good stability. We used various characterization techniques (XRD, HRTEM, STEM-EDS elemental mapping and line-scanning, XPS, HS-LEIS) to compare the nanostructural differences between the monometallic and bimetallic catalysts as well as to explain the possible reasons for the superior performance of Pd/Ni/Ni(OH)2/C to corresponding monometallic catalysts.

Molecular Catalysis published new progress about Hydrogenation. 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, Recommanded Product: (Tetrahydrofuran-2-yl)methanol.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Weerachawanasak, Patcharaporn; Krawmanee, Pacharaporn; Inkamhaeng, Weerachat; Cadete Santos Aires, Francisco J.; Sooknoi, Tawan; Panpranot, Joongjai published the artcile< Development of bimetallic Ni-Cu/SiO2 catalysts for liquid phase selective hydrogenation of furfural to furfuryl alcohol>, Name: (Tetrahydrofuran-2-yl)methanol, the main research area is development bimetallic nickel copper SiO2 catalyst liquid hydrogenation furfural.

Bimetallic Ni-Cu/SiO2 catalysts with different Cu loading (2-5 wt%) were developed for liquid phase selective hydrogenation of furfural to furfuryl alc. Among these, bimetallic 2%Ni-X%Cu/SiO2 (X = 2, 5) catalysts exhibited better catalytic performances than monometallic 2%Ni/SiO2 and 2%Cu/SiO2. Moreover, the bimetallic 2%Ni-5%Cu/SiO2 catalyst showed the best catalytic performance with 94% of furfural conversion and 64% of furfuryl alc. selectivity. The synergetic effect of NiCu alloy particles that are present on bimetallic Ni-Cu/SiO2 catalysts change the adsorption configuration of furfural on the catalyst surface resulting in high catalytic performance in liquid phase selective hydrogenation of furfural to furfuryl alc.

Catalysis Communications published new progress about Hydrogenation catalysts. 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, Name: (Tetrahydrofuran-2-yl)methanol.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Fovanna, Thibault; Campisi, Sebastiano; Villa, Alberto; Kambolis, Anastasios; Peng, Gael; Rentsch, Daniel; Krocher, Oliver; Nachtegaal, Maarten; Ferri, Davide published the artcile< Ruthenium on phosphorous-modified alumina as an effective and stable catalyst for catalytic transfer hydrogenation of furfural>, Name: (Tetrahydrofuran-2-yl)methanol, the main research area is ruthenium phosphorus modified alumina catalyst preparation furfural hydrogenation.

Supported ruthenium was used in the liquid phase catalytic transfer hydrogenation of furfural. To improve the stability of Ru against leaching, phosphorus was introduced on a Ru/Al2O3 based catalyst upon impregnation with ammonium hypophosphite followed by either reduction or calcination to study the effect of phosphorus on the physico-chem. properties of the active phase. Characterization using X-ray diffraction, solid state 31P NMR spectroscopy, X-ray absorption spectroscopy, temperature programmed reduction with H2, IR spectroscopy of pyridine adsorption from the liquid phase and transmission electron microscopy indicated that phosphorus induces a high dispersion of Ru, promotes Ru reducibility and is responsible for the formation of acid species of bronsted character. As a result, the phosphorus-based catalyst obtained after reduction was more active for catalytic transfer hydrogenation of furfural and more stable against Ru leaching under these conditions than a benchmark Ru catalyst supported on activated carbon.

RSC Advances published new progress about Calcination. 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, Name: (Tetrahydrofuran-2-yl)methanol.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem