The total sterol content of the marine sponge Axinella polypoides is a mixture of 19-nor-stanols, in which the major resolved component has been fully characterized (as the acetate) as 19-nor-5α,-10β-ergost-trans-22-en-3β-ol (1). The remaining components (2)–(8) have been identified largely on the basis of spectral measurements.
L. Minale and G. Sodano, J. Chem. Soc., Perkin Trans. 1, 1974, 1888 DOI: 10.1039/P19740001888
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