Journal of Catalysis, Journal Year: 2024, Volume and Issue: 440, P. 115845 - 115845
Published: Nov. 15, 2024
Language: Английский
Journal of Catalysis, Journal Year: 2024, Volume and Issue: 440, P. 115845 - 115845
Published: Nov. 15, 2024
Language: Английский
Journal of Catalysis, Journal Year: 2024, Volume and Issue: 436, P. 115603 - 115603
Published: June 13, 2024
Language: Английский
Citations
8Applied Catalysis B Environment and Energy, Journal Year: 2024, Volume and Issue: 359, P. 124413 - 124413
Published: July 25, 2024
Language: Английский
Citations
7ACS Catalysis, Journal Year: 2023, Volume and Issue: 13(20), P. 13205 - 13214
Published: Sept. 27, 2023
The tandem hydrogenative rearrangement of furan aldehydes/ketones into cyclopentanones is crucial for synthesizing biobased fine chemicals but remains challenging because the complexity reaction network. Herein, intermetallic PdZn nanoparticle-supported catalysts were prepared, which showed a high catalytic efficiency 3-methyl cyclopentanone with 96.3% yield from 5-methyl furfural at hitherto lowest temperature 120 °C. Furthermore, they exhibited generality synthesis yields above 90% other aldehydes (i.e., furfural, 5-hydroxymethyl and 5-ethyl furfural) ketones 2-furan methyl ketone ethyl ketone). Investigations mechanism that H2 was heterolytically activated on Pd–Zn pair to form H––Pd–Zn–H3O+ via an ionic water-mediated pathway, not only functioned as unconventional active sites carbonyl group hydrogenation step also provided Brønsted acid ring opening intramolecular aldol condensation steps. This study presents exciting strategy bifunctional catalysis substrates by generating transient H+–H– pairs using advanced alloy catalysts.
Language: Английский
Citations
15Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 496, P. 153965 - 153965
Published: July 14, 2024
Language: Английский
Citations
4Applied Catalysis B Environment and Energy, Journal Year: 2025, Volume and Issue: unknown, P. 125078 - 125078
Published: Jan. 1, 2025
Language: Английский
Citations
0Catalysts, Journal Year: 2025, Volume and Issue: 15(4), P. 297 - 297
Published: March 21, 2025
The key to selectively cleaving C–O bonds in lignin produce high-value aromatic chemicals lies the development of efficient and stable catalysts. In this study, a heterostructured catalyst with N-doped carbon-supported Co dual-phase MoxC nanoparticles was prepared via situ pyrolysis Co–Mo–N precursor. α-MoC/β-Mo2C heterostructure is adjusted by varying Co:Mo ratio affect structure electronic properties catalyst. heterostructures bring about enhanced electron transfer from Mo, which promotes hydrogen dissociation over sites, significantly improving catalyst’s hydrogenolysis activity stability. optimal Co1MoxC@NC exhibits excellent activity; under reaction conditions (260 °C, 1 MPa H2, 3 h), yield monomers reaches 28.5%. Such prominent performance not only benefits numerous hetero-interfaces that offer abundant active sites for dissociation, but also should be ascribed strong synergistic effect between Mo.
Language: Английский
Citations
0Advanced Sustainable Systems, Journal Year: 2025, Volume and Issue: unknown
Published: March 24, 2025
Abstract In recent years, metal phosphide catalysts have garnered immense attention among the catalysis community due to their facile synthesis and excellent catalytic activity but promising potential in field of organic transformation is not been fully explored. The synergistic coupling between support material plays a crucial role enhancing overall as well recovery catalyst. Herein, this study reports nickel (Ni 2 P) graphitic carbon nitride (GCN) nanosheets an interfacial catalyst for effective efficient transfer hydrogenation quinoline. significance developed interface Ni P GCN revealed by detailed spectroscopic theoretical investigations, which enhances dissociation hydrogen source substrate interaction with surface catalyst, thereby selective quinoline 1,2,3,4‐tetrahydroquinoline. proposed protocol quinoline, formic acid utilized bio‐renewable source, serves replacement molecular hydrogen. Further, optimization studies are carried out achieve good selectivity product yield varying reaction parameters. Therefore, using mechanistic studies, supported on P‐GCN) provides
Language: Английский
Citations
0Journal of Agricultural and Food Chemistry, Journal Year: 2023, Volume and Issue: 72(1), P. 657 - 669
Published: Dec. 18, 2023
Amadori rearrangement products (ARPs), as intermediates of the Maillard reaction (MR), are potential natural flavor additives but there is a lack investigation especially in oligopeptide-ARPs. This study for first time conducted systematic analysis comparing ARPs glycine, diglycine, triglycine, and glucose to corresponding classic MR systems, including production, stability, analysis. The were effectively produced by prelyophilization with heating at 70 °C 60 min purified 96% two-step purification method. Correlated stability order amino compounds (glycine > diglycine triglycine), was Gly-ARP Digly-ARP ≈ Trigly-ARP. In negative correlation temperature time, less stable than original high temperatures (100, 130, 160 °C). exhibited better formation ability pyrazines furans similar compositions different preferences. Diglycine- triglycine-ARPs efficiency glycine-ARP. Heating initial pH, carbon chain length found be parameters that affect ARPs. suggested ARPs, peptide-ARPs, have great usage food future.
Language: Английский
Citations
7Bioresource Technology, Journal Year: 2024, Volume and Issue: 413, P. 131535 - 131535
Published: Sept. 24, 2024
Language: Английский
Citations
2Journal of Catalysis, Journal Year: 2024, Volume and Issue: unknown, P. 115824 - 115824
Published: Oct. 1, 2024
Language: Английский
Citations
2