Abstract
Three new C-glycosidic flavonoids, cassiaoccidentalins A, B and C, were isolated from aerial parts of Cassia occidentalis, and their structures with a 3-keto sugar were established on the basis of spectroscopic and chemical evidence. They showed signals of two conformers in their 1H- and 13C-NMR spectra due to hindered rotation around their C-glycosidic linkages, and the conformations in solution were analyzed by NMR spectroscopic analyses.
Original language | English |
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Pages (from-to) | 1379-1383 |
Number of pages | 5 |
Journal | Phytochemistry |
Volume | 52 |
Issue number | 7 |
DOIs | |
Publication status | Published - Dec 1999 |
Keywords
- Cassia occidentalis
- Cassiaoccidentalin A
- Cassiaoccidentalin B
- Cassiaoccidentalin C
- Conformation
- Flavonoid
- Leguminosae
ASJC Scopus subject areas
- Biochemistry
- Molecular Biology
- Plant Science
- Horticulture