Palladium-mediated intramolecular carbonylative annulation of o-alkynylphenols to synthesize benzo[b]furo[3,4-d]furan-1-ones.
[reaction in text] The carbonylative annulation of o-alkynylphenols mediated by PdCl(2)(PPh(3))(2) and dppp in the presence of CsOAc at 55 degrees C in acetonitrile under a balloon pressure of CO generates functionalized benzo[b]furo[3,4-d]furan-1-ones in
A concerted synthesis of hydroxychalcones, flavanones and benzo[b]furans through palladium-catalysed reactions
A convenient palladium-catalysed procedure for the synthesis of o-hydroxychalcones, flavanones and benzo[b]furans is described where o-iodophenyl acetate was used as a common precursor.
De, Mahuya,Majumdar, Dyuti P.,Kundu, Nitya G.
p. 665 - 674
(2007/10/03)
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