2022-03-19Zeitschriftenartikel DOI: 10.1002/cctc.202200029
Chlorodefluorination of Fluoromethanes and Fluoroolefins at a Lewis Acidic Aluminum Fluoride
Chlorodefluorination reactions of fluoromethanes and fluoroolefins catalysed by the highly Lewis acidic nanoscopic aluminum chlorofluoride (ACF, AlClxF3−x, x≈0.05–0.3) in the presence of ClSiEt3 were studied. Both fluoromethanes and fluoroolefins convert under mild reaction conditions by fluorine-chlorine exchange steps into chlorinated fluoro derivatives. MAS NMR studies provided information on the interaction of silanes and hexafluoropropene with the ACF surface.
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