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Synlett 1993; 1993(1): 65-68
DOI: 10.1055/s-1993-22351
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Propargyl Ethylmalonates as Useful Building Blocks for the Preparation of Functionalized Butenolides

Antonio Arcadi* , Sandro Cacchi, Giancarlo Fabrizi, Fabio Marinelli
  • *Dipartimento di Chimica, Ingegneria Chimica e Materiali, Università degli Studi, V. Assergi 4, I-67100 L'Aquila, Italy
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Publication Date:
19 March 2002 (online)

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The palladium-catalysed coupling of propargyl ethylmalonates with vinyl triflates and aryl balides produces substituted propargyl ethylmalonates that under basic conditions can undergo a regioselective intramolecular exo-dig carbocyclization to give substituted butenolides.