Introducing Structural Diversity: Fe-2(MoO4)(3) Immobilized in Chitosan Films as an Efficient Catalyst for the Selective Oxidation of Sulfides to Sulfones
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Introducing Structural Diversity: Fe-2(MoO4)(3) Immobilized in Chitosan Films as an Efficient Catalyst for the Selective Oxidation of Sulfides to SulfonesAutoria
Data de publicació
2023-03-27Editor
WileyCita bibliogràfica
LIBERO, Laura O., et al. Introducing Structural Diversity: Fe2 (MoO4) 3 Immobilized in Chitosan Films as an Efficient Catalyst for the Selective Oxidation of Sulfides to Sulfones. ChemCatChem, 2023, vol. 15, no 10, p. e202300421.Tipus de document
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info:eu-repo/semantics/acceptedVersionParaules clau / Matèries
Resum
This work reports how the immobilization of Fe2(MoO4)3 in chitosan films affects the oxidation reaction of sulfide derivatives to sulfates in the dark, resulting in good yields and excellent selectivity. As demonstrated, ... [+]
This work reports how the immobilization of Fe2(MoO4)3 in chitosan films affects the oxidation reaction of sulfide derivatives to sulfates in the dark, resulting in good yields and excellent selectivity. As demonstrated, a variety of substituted sulfides were tolerated even in the presence of oxidative-sensitive functional groups, leading to a regioselective application of the catalyst under mild reaction conditions and guaranteeing its reuse for at least 6 cycles without losing its catalytic performance. Specifically, films containing 1 mg of Fe2(MoO4)3 per ml of chitosan showed a yield and selectivity of 99 %. The key success of the selective oxidation was associated with the presence of the hydroxyl radical, ⋅OH, and the Fe3+/Fe2+ Fenton-like process. As a proof of concept, the selective oxidation of sulfides to the corresponding sulfones was performed to demonstrate the synergistic effect between Fe2(MoO4)3 and chitosan. This work offers a design strategy for efficient catalysts that may extend to other semiconductors and oxidation processes. [-]
Entitat finançadora
Fundaçao de Amparo à Pesquisa do Estado de São Paulo (FAPESP) | Financiadora de Estudos e Projetos – FINEP | Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) | Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - Brasil (CAPES) | Universitat Jaume I | Ministerio de Ciencia, Innovación y Universidades (Spain) | Generalitat Valenciana | European Union Next Generation EU | Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina)
Codi del projecte o subvenció
2013/07296-2 | 148751/2022-9 | 001 | UJI-B2019-30 | PGC2018094417-B-I00 | CIAICO2021/122 | MGS/2021/21 (UP2021-021) | PUE 22920200100016CO-IFIMAR
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