Issue 12, 2018

Modifying the reactivity of a solid Lewis acid: niobium and antimony doped nanoscopic aluminum fluoride

Abstract

A series of acid catalysts were prepared, using niobium and antimony as dopants in the fluorolytic sol–gel synthesis of high surface aluminium fluoride. These new catalysts exhibit remarkable reactivity: they are able to isomerize compounds containing carbon–halogen bonds at room temperature by C–F, C–Cl and C–Br activation and perform the isomerization of double bonds and Friedel–Crafts-like reactions that are required for the cyclization of citronellal, for which the conversions increase by doping with Nb up to 99%. Furthermore, the characterization of the catalysts by means of MAS NMR, NH3-TPD, py-PAS and N2 adsorption is presented.

Graphical abstract: Modifying the reactivity of a solid Lewis acid: niobium and antimony doped nanoscopic aluminum fluoride

Supplementary files

Article information

Article type
Paper
Submitted
12 Mar 2018
Accepted
23 May 2018
First published
24 May 2018

Catal. Sci. Technol., 2018,8, 3151-3159

Modifying the reactivity of a solid Lewis acid: niobium and antimony doped nanoscopic aluminum fluoride

C. P. Marshall, T. Braun and E. Kemnitz, Catal. Sci. Technol., 2018, 8, 3151 DOI: 10.1039/C8CY00502H

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