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Synlett 1998; 1998(10): 1138-1140
DOI: 10.1055/s-1998-1869
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Enhancement of Dienophilic and Enophilic Reactivity of the Glyoxylic Acid by Bismuth(III) Triflate in the Presence of Water

H. Laurent-Robert* , C. Le Roux, J. Dubac
  • *Hétérochimie Fondamentale et Appliquée (ESA CNRS 5069), Université Paul-Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex, France; Fax (33)5 61 55 82 04; E-mail: dubac@iris.ups-tlse.fr
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Publication Date:
31 December 2000 (online)

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Bismuth(III) trifluoromethanesulfonate (1) is found to efficiently catalyze carbonyl-Diels-Alder or carbonyl-ene reactions between glyoxylic acid and classical dienes or substituted olefins, in the presence of water.

water - ene reaction - Diels-Alder - bismuth(III) triflate - hydroxylactones