Journal
ORGANIC LETTERS
Volume 14, Issue 5, Pages 1298-1301Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol300186s
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- Universite catholique de Louvain (UCL)
- Fonds pour la formation a la Recherche dans l'Industrie et dans l'Agriculture (F.R.I.A.)
- Action de Recherches Concertees (ARC) [08/13-012]
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The preparation of highly functionalized benzofurans by a unique and connective transformation is reported. Base-catalyzed condensation of o-hydroxyphenones with 1,1-dichloroethylene generates the corresponding chloromethylene furans. These labile intermediates undergo a facile rearrangement into benzofuran carbaldehydes under mild acidic conditions.
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