Daliran, S.; Santiago-Portillo, A.; Navalón Oltra, S.; Reza Oveisi, A.; Alvaro Rodríguez, MM.; Ghorbani-Vaghei, R.; Azarifar, D.... (2018). Cu(II)-Schiff base covalently anchored to MIL-125(Ti)-NH2 as heterogeneous catalyst for oxidation reactions. Journal of Colloid and Interface Science. 532:700-710. https://doi.org/10.1016/j.jcis.2018.07.140
Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10251/142045
Title:
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Cu(II)-Schiff base covalently anchored to MIL-125(Ti)-NH2 as heterogeneous catalyst for oxidation reactions
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Author:
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Daliran, Saba
Santiago-Portillo, Andrea
Navalón Oltra, Sergio
Reza Oveisi, Ali
Alvaro Rodríguez, Maria Mercedes
Ghorbani-Vaghei, Ramin
Azarifar, Davood
García Gómez, Hermenegildo
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UPV Unit:
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Universitat Politècnica de València. Departamento de Química - Departament de Química
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Issued date:
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Abstract:
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[EN] MIL-125(Ti)-NH2 has been modified by reaction of salicylaldehyde with the terephthalate amino groups to form a salicylideneimine that act as ligand of Cu2+. The success of the postsynthetic modification was assessed ...[+]
[EN] MIL-125(Ti)-NH2 has been modified by reaction of salicylaldehyde with the terephthalate amino groups to form a salicylideneimine that act as ligand of Cu2+. The success of the postsynthetic modification was assessed by FTIR spectroscopy of the MIL-125(Ti)-NH2-Sal-Cu and by analysis by H-1 NMR spectroscopy of the organic linkers upon dissolution of MIL-125(Ti)-NH2-Sal-Cu. In comparison with parent MIL-125(Ti)-NH2 and MIL-125(Ti)-NH2-Sal, that exhibit a poor activity, the presence of the Cu-Schiff base complex in MIL-125(Ti)-NH2-Sal-Cu catalyst for the oxidation of 1-phenylethanol by tert-butylhydroperoxyde (TBHP, 3 eq.) increases notably the catalytic activity. Hot filtration test and reusability experiments confirm that the process is heterogeneous and that MIL-125(Ti)-NH2-Sal-Cu is stable under the reaction conditions. Quenching studies and EPR spectra using N-(t)butylphenylnitrone indicate the generation of (BuOO)-Bu-t. and (BuO center dot)-Bu-t under the reaction conditions. The scope of MIL-125(Ti)-NH2-Sal-Cu as oxidation catalyst by (BuOOH)-Bu-t was studied for benzyl alcohol as well as alicyclic and aliphatic alcohols and ethylbenzene. (C) 2018 Elsevier Inc. All rights reserved.
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Subjects:
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Heterogeneous catalysis
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Metal-organic frameworks: Cu(II) Schiff-base complex
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Terr-butylhydroperoxyde
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Copyrigths:
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Reconocimiento - No comercial - Sin obra derivada (by-nc-nd)
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Source:
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Journal of Colloid and Interface Science. (issn:
0021-9797
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DOI:
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10.1016/j.jcis.2018.07.140
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Publisher:
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Elsevier
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Publisher version:
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https://doi.org/10.1016/j.jcis.2018.07.140
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Project ID:
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info:eu-repo/grantAgreement/GVA//PROMETEO%2F2017%2F063/
info:eu-repo/grantAgreement/Fundació Bancària Caixa d'Estalvis i Pensions de Barcelona//LCF%2FTR%2FCI16%2F10010016/
info:eu-repo/grantAgreement/MINECO//CTQ2014-53292-R/ES/MATERIALES GRAFENICOS COMO CATALIZADORES PARA REACCIONES ORGANICAS./
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Thanks:
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Financial support by the Spanish Ministry of Economy and Competitiveness (Severo Ochoa) CTQ2014-53292-R is gratefully acknowledged. Generalidad Valenciana is also thanked for funding (Prometeo 2017/063). S.D., A.R.O., D.A., ...[+]
Financial support by the Spanish Ministry of Economy and Competitiveness (Severo Ochoa) CTQ2014-53292-R is gratefully acknowledged. Generalidad Valenciana is also thanked for funding (Prometeo 2017/063). S.D., A.R.O., D.A., and R.G-V thank H.G., S.N. and M.A., S.D., D.A., and R.G-V gratefully acknowledge financial support from Bu-Ali Sina University. S.N. thanks financial support by the Fundacion Ramon Areces (XVIII Concurso Nacional para la Adjudicacion de Ayudas a la Investigacion en Ciencias de la Vida y de la Materia, 2016).
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Type:
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Artículo
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