Journal
TETRAHEDRON LETTERS
Volume 56, Issue 25, Pages 3894-3897Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2015.04.109
Keywords
Prenylated diphenyl ethers; Aspergillus versicolor; Antibacterial activity
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Funding
- National Natural Science Foundation of China [91413120, 21132004, 21302091, 81421091]
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Five new prenylated diphenyl ethers (1-5), five known ones (6-10), and three xanthones (11-13), together with three anthraquinone derivatives (14-16), were obtained from the mantis-associated fungus Aspergillus versicolor GH-2. Their structures were elucidated on the basis of spectroscopic methods. The (2 '' S) absolute configuration of 1 was assigned by using the modified Mosher ester method. The known compounds 9 and 12 exhibited antibacterial activity against the clinical strain Streptococcus pyogenes with the MIC values of 2.5 and 5.0 mu g/mL, respectively. (C) 2015 Elsevier Ltd. All rights reserved.
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