Heterocycles p. 819 - 832 (1994)
Update date:2022-08-03
Topics: Synthesis Catalyst Purification Reaction Hexafluoroacetone
Burger, Klaus
Helmreich, Brigitte
Popkova, Vera Ya.
German, Lev S.
The transformation of bis(trifluoromethyl)-1-oxabuta-1,3-dienes (1) - available from hexafluoroacetone - into 2-fluoro-3-trifluoromethylthiophenes (9) via 4,4-difluoro-3-trifluoromethyl-3-buten-1-ones (5) is described.The fluorine atom at skeleton positio
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