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Delacourt C, Chemtob A, Goddard JP, Spangenberg A, Cormier M. 3D-Printed Eosin Y-Based Heterogeneous Photocatalyst for Organic Reactions. Chemistry 2024; 30:e202304363. [PMID: 38411305 DOI: 10.1002/chem.202304363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/26/2024] [Accepted: 02/27/2024] [Indexed: 02/28/2024]
Abstract
Heterogenization of Eosin Y by 3D-printing and its application in photocatalysis are reported. The approach allows a fine tuning of the photocatalyst morphology and its rapid preparation. Photocatalytic activity was evaluated through model organic reactions involving oxidation, reduction, and photosensitization pathways. The efficiency, recyclability and stability of 3D printed EY is remarkable paving the way to new generation of heterogeneous photocatalysts with a perfect control of their shape and adaptable to any photoreactors.
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Affiliation(s)
- Cloé Delacourt
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), UMR 7042, Université de Haute-Alsace, Université de Strasbourg, CNRS, 3 rue Alfred Werner, 68093, Mulhouse, France
- Institut de Science des Matériaux de Mulhouse (IS2 M) UMR 7361, Université de Haute-Alsace, Université de Strasbourg, CNRS, 15 rue Jean Starcky, 68057, Mulhouse, France
| | - Abraham Chemtob
- Institut de Science des Matériaux de Mulhouse (IS2 M) UMR 7361, Université de Haute-Alsace, Université de Strasbourg, CNRS, 15 rue Jean Starcky, 68057, Mulhouse, France
| | - Jean-Philippe Goddard
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), UMR 7042, Université de Haute-Alsace, Université de Strasbourg, CNRS, 3 rue Alfred Werner, 68093, Mulhouse, France
| | - Arnaud Spangenberg
- Institut de Science des Matériaux de Mulhouse (IS2 M) UMR 7361, Université de Haute-Alsace, Université de Strasbourg, CNRS, 15 rue Jean Starcky, 68057, Mulhouse, France
| | - Morgan Cormier
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), UMR 7042, Université de Haute-Alsace, Université de Strasbourg, CNRS, 3 rue Alfred Werner, 68093, Mulhouse, France
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Guadalupe Martin M, Lázaro-Martínez JM, Martín SE, Uberman PM, Budén ME. Anthraquinone-Modified Silica Nanoparticles as Heterogeneous Photocatalyst for the Oxidative Hydroxylation of Arylboronic Acids. Chemistry 2023:e202303382. [PMID: 38150600 DOI: 10.1002/chem.202303382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 12/13/2023] [Accepted: 12/27/2023] [Indexed: 12/29/2023]
Abstract
In this work, the synthesis and characterization of a heterogeneous photocatalyst based on spherical silica nanoparticles superficially modified with anthraquinone 2-carboxylic acid (AQ-COOH) are presented. The nanomaterial was characterized by TEM, SEM, FT-IR, diffuse reflectance, fluorescence, NMR, DLS, XRD and XPS. These analyses confirm the covalent linking of AQ-COOH with the NH2 functionality in the nanomaterial and, more importantly, the photocatalyst retains its photophysical properties once bound. The heterogeneous photocatalyst was successfully employed in the aerobic hydroxylation of arylboronic acids to phenols under sustainable reaction conditions. Phenols were obtained in high yields (up to 100 %) with low catalyst loading (3.5 mol %), reaching TOF values of 3.7 h-1 . Using 2-propanol as solvent at room temperature, the visible light photocatalysis produced H2 O2 as a key intermediate to promote the aerobic hydroxylation of arylboronic acids. The heterogeneous photocatalyst was reused at least 5 times, without modification of the nanomaterial structure and morphology. This simple heterogeneous system showed great catalytic activity under sustainable reaction conditions.
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Affiliation(s)
- María Guadalupe Martin
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, X5000HUA, Córdoba, Argentina
- Instituto de Investigaciones en Fisicoquímica de Córdoba-INFIQC-CONICET-, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Juan Manuel Lázaro-Martínez
- Departamento de Ciencias Químicas, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, C1113AAD, Ciudad Autónoma de Buenos Aires, Argentina
- Instituto Química y Metabolismo del Fármaco IQUIMEFA-UBA-CONICET, Junín 956, C1113AAD, Ciudad Autónoma de Buenos Aires, Argentina
| | - Sandra Elizabeth Martín
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, X5000HUA, Córdoba, Argentina
- Instituto de Investigaciones en Fisicoquímica de Córdoba-INFIQC-CONICET-, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Paula Marina Uberman
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, X5000HUA, Córdoba, Argentina
- Instituto de Investigaciones en Fisicoquímica de Córdoba-INFIQC-CONICET-, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - María Eugenia Budén
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, X5000HUA, Córdoba, Argentina
- Instituto de Investigaciones en Fisicoquímica de Córdoba-INFIQC-CONICET-, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
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