A new steroid cholest-4-ene-3 alpha, 6 beta-diol together with the kno
wn cholest-4-ene-3-one, lauric acid and o-phthalic acid bis-(2-ethyl n
onyl)-ester were isolated from the red, alga Acantophora spicifera. Th
e structures of these compounds were established on the basis of their
spectral data. (C) 1998 Elsevier Science Ltd. All rights reserved.