A novel phenolic spiro derivative, Yucca
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Sonia Piacente; Giuseppe Bifulco; Cosimo Pizza; Anna Stochmal; Wieslaw Oleszek
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Article
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2002
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Elsevier Science
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French
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A new, very unusual, phenolic constituent based on a spiro benzopyran-4-cyclopentan-3-one system has been isolated from Yucca schidigera bark and its structure has been established by ESI-MS and NMR experiments. In particular the relative configuration of the molecule has been defined combining the