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Metal-acid bifunctional catalysts based on porous aromatic frameworks for tandem alkylation-hydrogenation of phenolics with furanicsстатья
Статья опубликована в высокорейтинговом журнале
Статья опубликована в журнале из списка Web of Science и/или Scopus- Авторы: Dubiniak Andrei, Kulikov Leonid, Egazar`yants Sergey, Maximov Anton, Karakhanov Eduard
- Журнал: Microporous and Mesoporous Materials
- Год издания: 2025
- Издательство: Elsevier BV
- Местоположение издательства: Netherlands
- Номер статьи: 113594
- DOI: 10.1016/j.micromeso.2025.113594
- Аннотация: Noble metal catalysts based on porous aromatic frameworks modified with sulfo groups were studied in tandem alkylation-hydrogenation reaction between lignocellulose-derived furanic (furfural, furfuryl alcohol and 5-hydroxymethylfurfural) and phenolic compounds (phenol, m-cresol, guaiacol) to produce high-density fuel precursors. Platinum catalysts were synthesized based on PAF-30-SO3H-3 and PAF-30-SO3H-5 supports with 3 and 5% of sulfur, respectively, and both with 0.8% of platinum. Hydroalkylation of mixtures of two substrates was performed. The reaction of guaiacol with furfuryl alcohol is characterized by the highest yields of long-chain products. The influence of substrates ratio, H2 pressure, reaction temperature and time on selectivity and activity of the catalysts was studied. The highest yield (77%) of long-chain oxygenates among all experiments was achieved under the following reaction conditions: 2 MPa H2, 4 hours, 130°C and 1:8 mol/mol furfuryl alcohol-guaiacol ratio. Catalysts Pd-PAF-30-SO3H-3 (with 1.1% of palladium) and Ru-PAF-30-SO3H-3 (with 0.3% of ruthenium) were tested in the tandem process to evaluate the impact of metal on reaction. To our knowledge, tandem alkylation-hydrogenation between biomass-derived furanics and phenolics over bifunctional catalysts based on organic polymers is reported for the first time. Moreover, some products of hydroalkylation (e.g., tricyclic oxygenates) haven’t yet been described.
- Добавил в систему: Дубиняк Андрей Максимович
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