Facile heterogenization of homogeneous ferrocene catalyst on SBA-15 and its hydroxylation activity |
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| Affiliation: | 1. The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, PR China;2. School of Chemistry and Environmental Science, Lanzhou City University, Lanzhou 730070, PR China;1. “Gheorghe Asachi” Technical University of Iasi, Faculty of Chemical Engineering and Environmental Protection, 73 Prof. Dr. Docent Dimitrie Mangeron Street, 700050, Iasi, Romania;2. Université de Poitiers, CNRS UMR 7285, IC2MP - TSA 51106, 4, Rue Michel Brunet, 86073, Poitiers Cedex 9, France;3. Univ. Lille, CNRS, ENSCL, Centrale Lille, Univ. Artois, UMR 8181 - UCCS - Unité de Catalyse et de Chimie du Solide, F-59000, Lille, France;1. School of Chemistry, College of Science, University of Tehran, Tehran, Iran;2. Nanobiomedicine Center of Excellence,Nanoscience and Nanotechnology Research Center, University of Tehran, Tehran, Iran;3. Nanotechnology Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, 14174, Iran;1. Departamento de Química Inorgánica y Química Técnica, Universidad Nacional de Educación a Distancia (UNED), Paseo Senda del Rey 9, 28040 Madrid, Spain;2. Adam Mickiewicz University, Faculty of Chemistry, Umultowska 89b, 61-614 Poznan, Poland;1. Department of Chemistry, Banaras Hindu University, Varanasi 221005, India;2. Department of Chemistry, IIT(BHU), Varanasi 221005, India |
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| Abstract: | Hexagonally ordered mesoporous silica SBA-15 was synthesized with amino propyl groups by direct co-condensation method using triblock co-polymer (P123) as a template, tetra ethyl orthosilicate as a silica source under conventional SBA-15 synthesis conditions. Amino propyl trimethoxy silane was utilized for introducing SBA-15 with propyl amine anchoring moiety. Ferrocene was anchored to SBA-15 post-synthetically by the condensation of amine group from propylamine SBA-15 with the carbonyl group of ferrocenecarboxaldehyde. The structural ordering and the textural properties of propyl amine functionalized SBA-15 (SBA-15-NH2) and further ferrocene tethered SBA-15 (SBA-15-N = ferrocene) were characterized by low angle XRD and nitrogen gas adsorption techniques. The attached organic moieties were identified by mid-infrared (MIR) and near-infrared (NIR) spectroscopy. The ferrocene functionalized SBA-15 is highly active towards the hydroxylation of benzene to phenol. The catalyst was reused without significant loss in activity. |
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