Bauza, MartaLeo, PedroPalomino Cabello, CarlosMartín, AntonioOrcajo, GiselaTurnes Palomino, GemmaMartínez, Fernando2024-09-112024-09-112024-09-03Bauza, M., Leo, P., Palomino Cabello, C., Martin, A., Orcajo, G., Turnes Palomino, G., & Martinez, F. (2024). Catalytic Advantages of SO3H-Modified UiO-66(Zr) Materials Obtained via Microwave Synthesis in Friedel–Crafts Acylation Reaction. Inorganic Chemistry, 10.1021/acs.inorgchem.4c017920020-1669 (print)1520-510X (online)https://hdl.handle.net/10115/39468The catalytic activity and stability of sulfonic-based UiO-66(Zr) materials were tested in the Friedel–Crafts acylation of anisole with acetic anhydride. The materials were prepared using microwave-assisted synthesis, producing microporous materials with remarkable crystallinity and physicochemical features as acid catalysts. Different ratios between both organic ligands, terephthalic acid (H2BDC) and monosodium 2-sulfoterephthalic acid (H2BDC–SO3Na), were used for the synthesis to modulate the sulfonic content. The sulfonic-based UiO-66(Zr) material synthesized with a H2BDC/H2BDC–SO3Na molar ratio of 40/60 exhibited the best catalytic performance in the acidic-catalyzed Friedel–Crafts acylation reaction. This ratio balanced the number of sulfonic acid sites and their accessibility within the UiO-66 microporous structure. The catalytic performance of this material increased remarkably at 200 °C, outperforming reference acids and commercial heterogeneous catalysts such as Nafion-SAC-13 and Amberlyst-70. Additionally, the best sulfonic-based UiO-66(Zr) material proved to be stable in four successive reaction cycles, maintaining both its catalytic activity and its structural integrityengAtribución 4.0 Internacionalhttp://creativecommons.org/licenses/by/4.0/CatalystsChemical synthesisMaterials Organic reactionsPost-translational modificationinfo:eu-repo/semantics/article10.1021/acs.inorgchem.4c01792info:eu-repo/semantics/openAccess