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Hirtusneanoside, an unsymmetrical dimeric tetrahydroxanthone from the lichen Usnea hirta
T Rezanka, K Sigler
Journal of natural products.
2007 ;
70 (9 Sep) :
1487-1491.
Language English Country United States
Persistent link
https://www.medvik.cz/link/bmc10012760
- MeSH
- Anti-Bacterial Agents pharmacology chemistry isolation & purification MeSH
- Bacillus subtilis drug effects MeSH
- Financing, Organized MeSH
- Glycosides pharmacology chemistry isolation & purification MeSH
- Molecular Structure MeSH
- Nuclear Magnetic Resonance, Biomolecular MeSH
- Staphylococcus aureus drug effects MeSH
- Usnea chemistry MeSH
- Xanthones pharmacology chemistry isolation & purification MeSH
- Geographicals
- Czech Republic MeSH
Hirtusneanoside, a new O-deoxyglycoside of a dimeric tetrahydroxanthone, was isolated from the lichen Usnea hirta. Its structure, including the absolute configuration, was determined by means of extensive spectroscopic data (UV, IR, MS, CD, 1D and 2D NMR) and chemical degradation. Hirtusneanoside has a unique structure comprising L-rhamnopyranoside of a tetrahydroxanthone dimer and showed growth inhibitory activities against Gram-positive bacteria.
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- 650 _2
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