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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/128/07/1019-1023

    • Keywords

       

      Asymmetric synthesis; marine natural products; olefin metathesis; photochemistry.

    • Abstract

       

      A convenient route for the synthesis of oxacyclobutapentalene, the tricyclic bridged core structure present in bioactive marine diterpene bielschowskysin and the polyketide hippolachnin A, is reported. The key steps involve ring closing metathesis of a triene derived from D-mannitol to produce selectively the dihydrofuran derivative instead of the cyclopentene derivative and a Cu(I)-catalyzed intramolecular [2+2]photocycloaddition of the dihydrofuran derivative.

    • Author Affiliations

       

      RITABRATA DATTA MALASALA SUMALATHA SUBRATA GHOSH

      1. Dates

         
        Published
        1 July 2016
        Manuscript received
        17 February 2016
        Manuscript revised
        5 May 2016
        Accepted
        13 May 2016

      2. Supplementary Material

         

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