Studies towards the synthesis of FCRR toxin: An expeditious entry into 7-5-6 ring systems via [5+2] oxidopyrylium-alkene cycloaddition

  • Murali Krishna U
  • Trivedi G
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Abstract

Synthetic studies towards the diterpene natural product FCRR toxin have been undertaken. An intermolecular [5+2] oxidopyrylium-alkene cycloaddition reaction was employed to construct the 7-5-6 tricyclic framework. The reaction proceeded with very high regio- and stereoselectivity and the bridging ether was reductively cleaved to unmask the carbocycle. © 2003 Elsevier Ltd. All rights reserved.

Author-supplied keywords

  • FCRR toxin
  • Indene
  • Reductive cleavage
  • [5+2] Cycloaddition

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Authors

  • U. Murali Krishna

  • G. K. Trivedi

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