Please use this identifier to cite or link to this item: https://hdl.handle.net/1822/64146

TitleBinuclear furanyl-azine metal complexes encapsulated in NaY zeolite as efficiently heterogeneous catalysts for phenol hydroxylation
Author(s)Kuzniarska-Biernacka, Iwona
Raposo, M. Manuela M.
Batista, R. M. F.
Soares, O. S. G. P.
M. F. R. Pereira
Parpot, Pier
Oliveira, C.
Skiba, E.
Jartych, E.
Fonseca, António
Neves, Isabel C.
KeywordsFuranyl-azine copper/iron complexes
NaY zeolite
Heterogeneous catalysts
Phenol hydroxylation
Issue date2020
PublisherElsevier
JournalJournal of Molecular Structure
CitationKuzniarska-Biernacka, I.; Raposo, M. M. M.; Batista, R. M. F.; Soares, O. S. G. P.; M. F. R. Pereira; Parpot, Pier; Oliveira, C.; Skiba, E.; Jartych, E.; Fonseca, António; Neves, Isabel C., Binuclear furanyl-azine metal complexes encapsulated in NaY zeolite as efficiently heterogeneous catalysts for phenol hydroxylation. Journal of Molecular Structure, 1206(127687), 2020
Abstract(s)Two different methods A and B were used for preparing binuclear furanyl-azine metal complexes encapsulated in NaY zeolite. These new heterogeneous catalysts based on Fe(II) or Cu(II) complexes with a metal/ligand molar ratio of 2:1, were characterized by different spectroscopic techniques and chemical analysis which confirm the presence of the metal complexes inside the supercages of the zeolite. Mössbauer spectroscopy technique analysis confirms the presence of the Fe3+- complexes in octahedral coordination. The new heterogeneous catalysts were catalytic evaluated by phenol hydroxylation and compared with the encapsulated metal furanyl-azine complexes in NaY zeolite. The zeolite themselves do not present any activity and the presence of the metal complexes improve their activity. All heterogeneous catalysts enhance higher conversion of phenol to catechol.
TypeArticle
URIhttps://hdl.handle.net/1822/64146
DOI10.1016/j.molstruc.2020.127687
ISSN0022-2860
e-ISSN1872-8014
Publisher versionhttps://www.journals.elsevier.com/journal-of-molecular-structure
Peer-Reviewedyes
AccessRestricted access (UMinho)
Appears in Collections:CEB - Publicações em Revistas/Séries Internacionais / Publications in International Journals/Series
CDQuim - Artigos (Papers)

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