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Synlett 2000; 2000(8): 1160-1162
DOI: 10.1055/s-2000-6738
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Bismuth(III) Chloride and Triflate: New Efficient Catalysts for the Aza-Diels-Alder Reaction

Hélène Laurent-Robert* , Bernard Garrigues, Jacques Dubac
  • *Hétérochimie Fondamentale et Appliquée (UMR 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) chloride (1) and triflate (2) are exellent catalysts of hetero Diels-Alder reactions of imines 3-6 with diene 7 or dienophiles 8 and 9. A one-pot procedure with in situ production of imine from the corresponding aldehyde and amine was possible using the water stable 2 as a catalyst.

aza Diels-Alder - catalysis - bismuth(III) chloride - bismuth(III) triflate