Title: Alkane oxidation by dinuclear iron complexes in hexagonal mesoporous solids
Authors: Knops-Gerrits, Peter-Paul ×
Verberckmoes, A
Schoonheydt, Robert
Ichikawa, M
Jacobs, Pierre #
Issue Date: 1998
Publisher: Elsevier science bv
Series Title: Microporous and mesoporous materials vol:21 issue:4-6 pages:475-486
Abstract: Biomimetic oxygen activation on binuclear iron active sites occluded within the voids of mesoporous oxides such as HMS (hexagonal mesoporous silica) is an interesting new held of research. As guests, binuclear iron(III) complexes were chosen. Heptapodate N,N,N',N'-tetrakis (2-R methyl)-2-hydroxy-1,3-diaminopropane ligands in which R is either a pyridyl or a benzimidazole group allow metal coordination as in methane mono-oxygenase active sites. The physicochemical characterization with SEM, TGA and sorption analysis shows the interactions of the complexes with the support. IR, Raman and diffuse reflectance-W-Vis-NIR spectroscopy is used to monitor interaction of oxygen (O-16(2) and O-18(2)) Or peroxides with the supported active sites. The cyclohexane, cyclohexylhydroperoxide and isobutane oxidation is described and the mono- and binuclear mechanisms that are occurring in nucleophilic and electrophilic activation pathways are discussed. (C) 1998 Elsevier Science B.V. All rights reserved.
ISSN: 1387-1811
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Centre for Surface Chemistry and Catalysis
× corresponding author
# (joint) last author

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