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Synlett 2000; 2000(3): 306-310
DOI: 10.1055/s-2000-6545
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Stereoselective Cobalt-Mediated [2+2+2]Cycloadditions to the Benzofuran Nucleus: A Novel Strategy Towards the Synthesis of Morphinoids

Dolores Péréz* , Brian A. Siesel, Michael J. Malaska, Ellen David, K. Peter C. Vollhardt
  • *Department of Chemistry, University of California at Berkeley, and the Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720-1460, USA; E-mail: vollhard@cchem.berkeley.edu
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Publication Date:
31 December 2000 (online)

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The cobalt-mediated [2+2+2]cycloaddition of alkynes to heteroaromatic double bonds can be extended to the benzofuran nucleus, suggesting applications to the synthesis of morphinoids.

alkynes - benzofurans - cobalt - cycloadditions - morphine