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Synlett 2000; 2000(1): 95-97
DOI: 10.1055/s-2000-6435
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A New Cycloisomerisation Catalyst of Enynes: One-Step Synthesis of 3,4-Dialkylidenetetrahydrofurans from Allyl Propargyl Ethers

Jacques Le Paih* , Darío Cuervo Rodríguez, Sylvie Dérien, Pierre H. Dixneuf
  • *UMR 6509 CNRS-Université de Rennes, Organométalliques et Catalyse: Chimie et Electrochimie Moléculaires, Campus de Beaulieu, 35042 Rennes, France; E-mail: pierre.dixneuf@univ-rennes1.fr
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Publication Date:
31 December 2000 (online)

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The precatalyst RuCl(cod)C5Me5 in the presence of acetic acid or ethanol allows the selective one-step cycloisomerisation of allyl propargyl ethers into 3,4-dialkylidenetetrahydrofurans.

catalysis - ruthenium - cycloisomerisation - allyl propargyl ethers - dialkylidenetetrahydrofurans