Palladium-Catalyzed Selective Carbonylation of Vinyl Triflates in the Presence of 2-Iodophenols: A New Route to 3-Spiro-Fused Benzofuran-2(3H)-ones

Roberto Anacardio; Antonio Arcadi; Gaetano DAnniballe; Fabio Marinelli

doi:10.1055/s-1995-3991

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Synthesis 1995; 1995(7): 831-836
DOI: 10.1055/s-1995-3991

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Palladium-Catalyzed Selective Carbonylation of Vinyl Triflates in the Presence of 2-Iodophenols: A New Route to 3-Spiro-Fused Benzofuran-2(3H)-ones

Roberto Anacardio, Antonio Arcadi^* , Gaetano D’Anniballe, Fabio Marinelli¹

^*Dipartimento di Chimica, Ingegneria Chimica e Materiali, via Vetoio, I-67100 L’Aquila, Italy, Fax +39(862)4311432573

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Publication Date:
31 December 2000 (online)

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A convenient synthesis of 3-spiro-fused benzofuran-2(3H)-ones via palladium-catalyzed chemoselective carbonylation of vinyl triflates in the presence of o-iodophenols, followed by regioselective intramolecular Heck reaction, is described.

benzofuran-2(3H)-ones - triflates - palladium - phenoxycarbonylation - intramolecular Heck reaction