Palladium-catalysed annulation reaction of allenyltins with β-iodo vinylic acids: selective synthesis of α-pyrones

Séverine Rousset; Mohamed Abarbri; Jérôme Thibonnet; Alain Duchêne; Jean-Luc Parrain

doi:10.1039/B005886F

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Palladium

Séverine Rousset,^a Mohamed Abarbri,^a Jérôme Thibonnet,^a Alain Duchêne*^a and Jean-Luc Parrain*^b

Author affiliations

* Corresponding authors

^a Laboratoire de Physicochimie des Interfaces et des Milieux Réactionnels, Faculté des Sciences de Tours, Parc de Grandmont, Tours, France.
E-mail: duchene@delphi.phys.univ-tours.fr

^b Laboratoire de Synthèse Organique associé au CNRS (ESA 6009), Faculté des Sciences de Saint Jérôme, Avenue Escadrille Normandie-Niemen, Marseille Cedex 20, France.
E-mail: jl.parrain@lso.u-3mrs.fr

Abstract

Palladium-catalysed regio- and stereoselective annulation of allenyl stannanes by β-iodo vinylic acids gives the corresponding α-pyrones in high yields. This annulation most probably proceeds through a Stille reaction/cyclisation sequence.

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Article information

DOI: https://doi.org/10.1039/B005886F
Article type: Communication
Submitted: 18 Jul 2000
Accepted: 01 Sep 2000
First published: 21 Sep 2000

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Chem. Commun., 2000, 1987-1988

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