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Title: New method for the immobilization of nitroxyl radical on mesoporous silica
Authors: Castanheiro, JE
Machado, A
Casimiro, M
Ferreira, L
Ramos, A
Vital, J
Fonseca, I
Editors: Balkus, K
Schmidt, W
Dietzel, P
Keywords: SBA-15
Issue Date: Feb-2015
Publisher: elsevier/ Microporous and Mesoporous Materials
Citation: Microporous and Mesoporous Materials 203 (2015) 63–72
Abstract: This work reports the covalent attachment of 4-hydroxy-2,2,6,6-tetramethylpiperidin-1-oxyl (4- hydroxy-TEMPO) on the mesoporous silicas MCM-41 and SBA-15, by using ,4-diisocyanatobutane as a binder. The catalysts were characterized by nitrogen adsorption/desorption, XRD, TEM, TGA, DSC and FTIR spectroscopy. Catalytic tests were performed on the liquid phase oxidation of benzyl alcohol and the secondary alcohol isoborneol by using tert-butyl hydroperoxide as oxidant. The catalysts showed good activity and stability in consecutive oxidation experiments with the same catalyst samples.
ISSN: 1387-1811
Type: article
Appears in Collections:QUI - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica
CQE - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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