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À propos de : FeCl3-Catalyzed Nucleophilic Substitution ofPropargylic Acetates with Enoxysilanes        

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  • FeCl3-Catalyzed Nucleophilic Substitution ofPropargylic Acetates with Enoxysilanes
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  • An efficient FeCl3-catalyzed substitution reaction of propargylic acetates with enoxysilanes under mild conditions toafford corresponding γ-alkynyl ketones has been developed.The substitution reaction is followed by a TsOH-catalyzedcyclization without purification of the γ-alkynyl ketoneintermediates, offering a straightforward synthetic route totri- or tetrasubstituted furans.
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