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Synlett 1998; 1998(7): 746-747
DOI: 10.1055/s-1998-1755
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Palladium-Catalyzed Allylating Heteroannulation of o-Alkynyl-Allyloxybenzenes. A Route to 2-Substituted-3-Allylbenzo[b]furans

Nuno Monteiro* , Geneviève Balme
  • *Laboratoire de chimie organique I, associé au CNRS, Université Claude Bernard, CPE, 43 Bd du 11 Novembre 1918, 69622 Villeurbanne, France; Fax (0)4.72.43.12.14; E-mail: balme@univ-lyon1.fr
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Publication History

Publication Date:
31 December 2000 (online)

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In the presence of palladium(0), o-alkynyl allyloxybenzenes produce 2-substituted 3-allylbenzo[b]furans in fair yields. This heteroannulation is promoted by the η3-allyl palladium species issued from early reaction of the catalyst with the starting allyl aryl ether.

o-alkynyl-allyloxybenzenes - palladium catalysis - endo-dig heteroannulation - 3-allylbenzo[b]furans