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Synthesis 1986; 1986(5): 355-360
DOI: 10.1055/s-1986-31635
DOI: 10.1055/s-1986-31635
paper
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Di- and Trifluorovinyllithium Reagents
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Publikationsverlauf
Publikationsdatum:
27. September 2002 (online)
We describe the preparation of trifluorovinyllithium (from chlorotrifluoroethylene in ether) and of (E)- and (Z)-1,2 difluorovinyllithiums. These reagents present useful synthons on the way to α,β-difluoro-α,β-unsaturated alcohols and acids as either (E)- or (Z)-isomers, and to β,γ (or γ, δ)-difluoro β,γ(or γ,δ)-unsaturated alcohols.