A novel (22R,23S,24S)-polyoxygenated steroid, hippuristerone A (1), has bee
n isolated from a Taiwanese gorgonian Isis hippuris. The structure of 1 was
elucidated by 1D and 2D NMR and further confirmed by a single-crystal X-ra
y diffraction analysis. (C) 2000 Elsevier Science Ltd. All rights reserved.