Journal
CHEMCATCHEM
Volume 14, Issue 10, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.202200029
Keywords
aluminum; C-F activation; chlorodefluorination; fluorine; Lewis acids
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Funding
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation [387284271 - SFB 1349]
- Chinese Scholarship Council
- Projekt DEAL.
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Chlorodefluorination reactions of fluoromethanes and fluoroolefins catalysed by nanoscopic aluminum chlorofluoride in the presence of ClSiEt3 were studied, showing successful conversion into chlorinated fluoro derivatives under mild reaction conditions. MAS NMR studies provided insights into the interaction between silanes, hexafluoropropene, and the ACF surface.
Chlorodefluorination reactions of fluoromethanes and fluoroolefins catalysed by the highly Lewis acidic nanoscopic aluminum chlorofluoride (ACF, AlClxF3-x, x approximate to 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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