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À propos de : Photooxidations of Alkenes in FluorinatedConstrained Media: Fluoro-organically ModifiedNaY as Improved Reactors for Singlet Oxygen“Ene” Reactions        

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  • Photooxidations of Alkenes in FluorinatedConstrained Media: Fluoro-organically ModifiedNaY as Improved Reactors for Singlet Oxygen“Ene” Reactions
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  • Creating a stationary fluorinated environment inside thezeolite cavity can increase the reactivity observed forintrazeolite photooxidation of alkenes. Exchanging the zeolitewith fluorinated organic cations is a much more effectivestrategy than simply using a fluorinated solvent for slurryirradiations. Use of cations containing C−F bonds is alsomore efficient than use of deuterated cations for creation ofa singlet oxygen friendly environment where the quenchingprocesses are slowed down. Doping the zeolite with fluoro-organic cation 4 resulted in an increase in the singlet oxygenlifetime to 12 μs.
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