An antimony (V) substituted Keggin heteropolyacid, H 4 PSbMo 11 O 40: Why is its catalytic activity in oxidation reactions so different from that of H 4 PVMo 11 O 40?
H Goldberg, D Kumar, GN Sastry, G Leitus…
Index: Goldberg, Hila; Kumar, Devesh; Sastry, G. Narahari; Leitus, Gregory; Neumann, Ronny Journal of Molecular Catalysis A: Chemical, 2012 , vol. 356, p. 152 - 157
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Citation Number: 5
Abstract
An antimony (V) containing α-Keggin type acidic polyoxometalate, H4PSbMo11O40, was prepared by reacting NaMoO4, H3PO4 and Sb2O3 in the presence of aqua regia to appraise its reactivity compared to the well known vanadate analog, H4PVMo11O40. Characterization was by X-ray diffraction, MALDI-TOF MS, IR, UV–vis and 31P NMR spectroscopy. Catalytic redox reactions, such as oxidative dehydrogenation using O2 and ...
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