Journal
PHYTOCHEMISTRY
Volume 147, Issue -, Pages 21-29Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.phytochem.2017.12.015
Keywords
Montagnula donacina; Montagnulaceae; Craterellus odoratus; Bergamotane; Cadinane; Meroterpenoid; Antibacterial activity
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Funding
- National Natural Science Foundation of China [21302194, 81561148013, 31760007]
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Molecular identification suggested an edible mushroom, which was previously named as Craterellus odoratus should be revised as Montagnula donacina. A chemical re-investigation of the culture broth of this fungus resulted in the isolation of four rare tetracyclic bergamotane-type sesquiterpenoids, namely donacinolides A and B, donacinoic acids A and B, and three cadinane-type ones, namely donacinols A-C and a meroterpenoid (Z)-4-hydroxy-3-(3-hydroxy-3-methylbut-1-en-1-yi)benzoic acid. Their structures were established via extensive spectroscopic methods, single crystal X-ray diffraction analysis, and computational methods. (Z)-4-Hydroxy-3-(3-hydroxy-3-methylbut-1-en-l-yl)benzoic acid showed antibacterial activity against Staphylococcus aureus. (C) 2017 Elsevier Ltd. All rights reserved.
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