SYNTHETIC STUDIES ON MARIN BISNOR-DITERPENOID, ELISABETHIN C　

24th International Symposium on the Chemistry of Natural Products and the 4th International Congress on Biodiversity　New Delhi (India)

Elisabethin C (1) is a novel bisnor-diterpenoid which was isolated from the gorgonian Pseudopterogorgia elisabethae in 1998.1 Its unique bicyclic structure and antituberculosis activity against Mycobacterium tuberculosis H37Rv promoted us to undertake the total synthesis of 1. The synthetic process is presented.