Synthesis of new α,α-difluoro-γ-lactones through intramolecular radical cyclization as a key reaction
1995
Abstract Carbon radicals from allyl o-trimethylsilyl-α-bromo-α,α-difluoro-acetals can cyclize onto olefines regiospecifically to give γ-lactols in good yield. These lactols have been converted to the corresponding α,α-difluoro-γ-lactones. The first synthesis of three new α,α-difluoro-γ-lactones has been accomplished.
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