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Synlett 1996; 1996(10): 997-998
DOI: 10.1055/s-1996-5635
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A Novel One-Pot Palladium-Catalysed Synthesis of 2-Aryl- and 2-Vinyl-4H-3,1-benzoxazin-4-ones

Sandro Cacchi1 , Giancarlo Fabrizi, Fabio Marinelli2
  • 1Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive, Università ”La Sapienza”, P.le A. Moro 5, 00185 Roma, Italy
  • 2Dipartimento di Chimica, Ingegneria Chimica e Materiali, Università degli Studi, V. Vetoio, località Coppito, I-67100 L’Aquila, Italy
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Publication Date:
31 December 2000 (online)

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The palladium-catalysed reaction of o-iodoaniline with unsaturated halides or triflates in the presence of K2CO3 and catalytic amounts of Pd(PPh3)4 under an atmosphere of carbon monoxide affords 2-aryl- and 2-vinyl-4H-3,1-benzoxazin-4-ones in good to high yield.

4H-3,1-benzoxazin-4-ones - palladium catalysis - carbonylation - Annulation