Contribution from the Department of Chemistry, The Laboratory for Research on the Structure of Matter and The Monell Chemical Senses Center, University of Pennsylvania, Philadelphia, Pennsylvania 191 04. Received August 24, 1983 ... Abstract: We describe here a full account of the first total synthesis of (&)-hibiscone C (gmelofuran) (l), a structurally novel p ... Introduction and Background2 Hibiscone C (l), member of a small group of tricyclic ...