Two new cembrane diterpenes, sicrassarines A and B (compounds 1 and 2),
were isolated from the Taiwanese soft coral Sinularia crassa. The structures of the new
metabolites were determined on the basis of extensive spectroscopic analysis, particularly
mass spectroscopy and 2D NMR (1H–1H COSY, HMQC, HMBC, and NOESY)
spectroscopy.
