Abstract
Bioactivity-directed fractionation of the methanolic extract of the stem and fruits of Senna obliqua led to the isolation of two known antimycobacterial natural products, quinquangulin (1) and rubrofusarin (2). Both compounds had minimum inhibitory concentrations (MICs) of 12.0 μg/mL against Mycobacteria tuberculosis in radiometric culture. This is the first report of antimycobacterial activity associated with naphthopyrone compounds. Their structures were determined by spectroscopic means including 1D and 2D NMR techniques and further confirmed by X-ray crystallographic analysis.
Original language | English |
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Pages (from-to) | 225-227 |
Number of pages | 3 |
Journal | Journal of Natural Products |
Volume | 67 |
Issue number | 2 |
DOIs | |
Publication status | Published - Feb 2004 |
Scopus Subject Areas
- Analytical Chemistry
- Molecular Medicine
- Pharmacology
- Pharmaceutical Science
- Drug Discovery
- Complementary and alternative medicine
- Organic Chemistry