Journal of the American Chemical Society p. 14190 - 14191 (2009)
Update date:2022-09-26
Topics:
Hirano, Keiichi
Biju, Akkattu T.
Piel, Isabel
Glorius, Frank
(Chemical Equation Presented) An intramolecular N-heterocyclic carbene (NHC)-catalyzed hydroacylation of unactivated double bonds is reported. Systematic variation of the catalyst structure revealed an N- mesitylthiazolylidene annulated with a seven-membered ring to be especially reactive. This NHC enables a unique C-C bond-forming reaction to afford substituted chroman-4-ones in moderate to excellent yields, even ones containing all-carbon quaternary centers.
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