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Synlett 1996; 1996(6): 576-578
DOI: 10.1055/s-1996-5481
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Palladium(II)-Catalyzed Dehydrative Cyclization of cis-4-Alkylcycloalken-2-ols. Synthesis of Tricyclic Spiroketals in a One-Pot Sequence

Alphonse Tenaglia* , Françoise Kammerer
  • *Réactivité en Synthèse Organique, associé au CNRS, Faculté des Sciences de St Jérôme, Av. Escadrille Normandie-Niemen, 13397 Marseille Cedex 20, France, Fax 91 28 88 41, e-mail: alphonse.tanaglia@reso.u-3mrs.fr
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Publication Date:
31 December 2000 (online)

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An efficient one-pot process involving palladium-catalyzed dehydrative cyclization, hydroxyl group deprotection and spiroketalization is described and offers an easy access to the tricyclic spiroketal framework of phyllanthocin.

Tetrahydrobenzofurans - spiroketals - palladium catalyst - heterocyclization - diastereoselective - C-O bond formation

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