A marine verticillane diterpenoid from Cespitularia erecta

Jaime Raul O. Janairo, De La Salle University, Manila
Gerardo C. Janairo, De La Salle University, Manila
Consolacion Y. Ragasa, De La Salle University, Manila
Bruce F. Bowden, James Cook University, Australia

Abstract

The dichloromethane extract of Cespitularia erecta afforded a new verticillane diterpenoid (1) and sarcophytol A (2) by silica gel chromatography. The structure of 1 was elucidated by extensive 1D and 2D NMR spectroscopy.