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Synlett 2001; 2001(10): 1647-1649
DOI: 10.1055/s-2001-17456
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Synthesis of a Novel Fused α,γ-Bispyrone

Michael Smietana* , Veronique Gouverneur, Charles Mioskowski
  • *Laboratoire de Synthèse Bio-organique, CNRS and Université Louis Pasteur, Faculté de Pharmacie, 74 Route du Rhin, 67401 Illkirch, France; Fax + 33(3)88 67 88 91; E-mail: mioskow@aspirine.u-strasbg.fr
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Publication Date:
27 September 2001 (online)

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Amberlyst 15 in ethanol, efficiently catalyzes the rearrangement of a symmetrical bis-(α,γ-diketo-ester) to afford a new fused α,γ-bispyrone.

rearrangement - intramolecular cyclization - bispyrones