Fluorinated α-pyrones 6 have been prepared from perfluoroacryloyl fluorides 1 and 2 by reaction with arylacetylenes and/or methyl ketones.Cyclobutenecarboxylates 8 have also been obtained from the reactions of 1 with acetylenes.The NMR spectrum of pyrone 6e shows unusually long-range fluorine-fluorine coupling.
England, David C.,Donald, Elaine A.,Weigert, Frank J.
p. 144 - 147
(2007/10/02)
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