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Supported fluorous phase catalysis on PTFE, fluoroalkylated micro- and meso-porous silica

By E. G. Hope, J. Sherrington and A. M. Stuart


New perfluoroalkylated micro- and mesoporous silica, along with powdered Teflon, have been evaluated as solid supports for supported fluorous phase catalysis in a model reaction; the hydrogenation of styrene using a fluorous analogue of Wilkinson’s catalyst. Each support material showed catalytic activity and catalyst-leaching behaviour related to its surface area and was consistent with supported liquid phase catalysis. However, catalyst decomposition on the silica supports resulted in substantial reductions in activity on catalyst recycle. In contrast, although activity and leaching levels on PTFE were poorer, the supported catalyst was recycled successfully

Year: 2006
DOI identifier: 10.1002/adsc.200606141
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