4α-Methylated steroids with cytotoxic activity from the soft coral Litophyton mollis
Published in Steroids
Seven new (1–3, 5 and 8–10) and three previously reported (4, 6 and 7) 4α-methylated steroids were isolated from the organic extract of the gorgonian Litophyton mollis. The structures and the relative configurations of the isolated natural products were determined on the basis of extensive analyses of their NMR and MS data. Metabolites 1 and 5–8 ex...