Three new 9,11-secosterols, 3 beta,6 alpha,11-trihydroxy-9,11-seco-5 a
lpha-cholest-7-ene-9-one (I), 24S- (2a), and 24R-methyl-3 beta,6 alpha
, 11-trihydroxy-9,11-seco-5 alpha-cholest-7,22E-diene-9-one (2b), were
isolated from the Indian Ocean gorgonia, Subergorgia suberosa Their s
tructures were established by spectroscopic data. (Steroids 63:575-578
, 1998) (C) 1998 by Elsevier Science Inc.