Violapyrones A–G, α-Pyrone Derivatives from Streptomyces violascens Isolated from Hylobates hoolock Feces
Journal of Natural Products2013Vol. 76(11), pp. 2126–2130
Citations Over TimeTop 10% of 2013 papers
Jiaoyue Zhang, Yi Jiang, Yan-Ru Cao, Jiang Liu, Dan Zheng, Xiu Chen, Li Han, Cheng‐Lin Jiang, Xueshi Huang
Abstract
Seven new 3,4,6-trisubstituted α-pyrone derivatives, violapyrones A-G (1-7), were isolated from Streptomyces violascens obtained from Hylobates hoolock feces. Their structures were elucidated on the basis of detailed spectroscopic analysis. The antimicrobial activities of 1-7 were evaluated against Gram-positive and Gram-negative bacteria and against fungi. Compounds 1-3 showed moderate antibacterial activities against Bacillus subtilis and Staphylococcus aureus with MIC values of 4-32 μg/mL.
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