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Publikation

Teichert, A.; Lübken, T.; Schmidt, J.; Porzel, A.; Arnold, N.; Wessjohann, L.A. Unusual bioactive 4-oxo-2-alkenoic fatty acids from <em>Hygrophorus eburneus</em> Z Naturforsch B J Chem Sci 60, 25-32, (2005) DOI: 10.1515/znb-2005-0105

From fruit bodies of the basidiomycete Hygrophorus eburneus (Bull.: Fr.) Fr. (Tricholomataceae) eight fatty acids (C16, C18) with γ -oxocrotonate partial structure could be isolated. Initial tests demonstrate their bactericidal and fungicidal activity. The structures of (2E,9E)-4-oxooctadeca- 2,9,17-trienoic acid (1), (2E,11Z)-4-oxooctadeca-2,11,17-trienoic acid (2), (E)-4-oxohexadeca-2,15- dienoic acid (3), (E)-4-oxooctadeca-2,17-dienoic acid (4), (2E,9E)-4-oxooctadeca-2,9-dienoic acid (5), (2E,11Z)-4-oxooctadeca-2,11-dienoic acid (6), (E)-4-oxohexadec-2-enoic acid (7), and (E)-4- oxooctadec-2-enoic acid (8) were elucidated on the basis of their spectroscopic data.

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