Wy. Yoshida et Pj. Scheuer, LOULUDINIUM CHLORIDE, AN AZABICYCLONONANE ALKALOID FROM THE MARINE CYANOPHYTE LYNGBYA-GRACILIS, Heterocycles, 47(2), 1998, pp. 1023-1027
A blue-green alga, Lyngbya gracilis, which was collected in the lagoon
of Palmyra island, yielded a single metabolite, louludinium chloride
(4). It is a rarely encountered azabicyclo[3.3.0]nonane derivative wit
h moderate activity in the KB assay.