New Cembranoids from the Okinawan Soft Coral <i>Sinularia mayi</i>

Abstract

Abstract Three new cembranoids, (+)-isosarcophine (1), (+)-8-hydroxyisosarcophytoxide-6-ene, and (+)-methyl cembra-1,3,7,11-tetraene-16-carboxylate have been isolated from Sinularia mayi, and their structures including the absolute configuration of 1 have been determined spectroscopically and by means of chemical reaction.