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Fluorous biphasic catalysis with dirhodium(II) perfluorocarboxylates: selective silylation of alcohols under fluorous biphasic conditions |
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| Authors: | Andrea Biffis Erika Castello Marco Zecca Marino Basato |
| Institution: | Dipartimento di Chimica Inorganica Metallorganica ed Analitica, Centro di Studio sulla Stabilità e Reattività dei Composti di Coordinazione—C.N.R., Università di Padova, via Marzolo 1, I-35131 Padova, Italy |
| Abstract: | Dirhodium(II) perfluorocarboxylates bearing C7–C13 perfluoroalkyl chains have been prepared and used as catalysts under fluorous biphasic conditions. They were found to be active and recyclable catalysts for the silylation of alcohols with triethylsilane. Hydrophobic, primary alcohols are preferentially silylated by the fluorous biphasic catalytic system in comparison with hydrophilic or secondary ones. This opens the way to the development of selective silylation protocols. |
| Keywords: | alcohols catalysis rhodium and compounds solvents and solvent effects |
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