14β,22R-epithiosteranes, a novel series
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Anke Behrens; Philippe Schaeffer; Pierre Albrecht
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Article
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1997
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Elsevier Science
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French
⚖ 260 KB
C27-C29 14D,22R-epithiosteranes 1 were isolated from a Miocene sediment and their structures determined by 1D and 2D N'MR. This novel series of sedimentary steroids presumably results from intramolecular incorporation of sulfur on steradiene precursors of algal origin.