Heliannone B
Basics
Category
Flavanone derivatives
IUPAC-name
2-(4-hydroxyphenyl)-7,8-dimethoxychroman-4-one
Formula
No formula stored
Exact mass
300.09980 g/mol
Molecular weight
300.30000 g/mol
Structure
Sources
In summary, the chemical heliannone B has been analyzed from following sources:
Note that an analysis result in the database may indicate either presence or lack thereof of a chemical in an analyzed sample.
References
- F. Macías, J. Molinillo, A. Torres, R. Varela, and D. Castellano, "Bioactive flavonoids from Helianthus annuus cultivars.," Phytochemistry , vol. 45 , no. 4 , pp. 683–687 , DOI: 10.1016/S0031-9422(97)00011-3 .
Analysis results
Analysis result 1
| Detection technique | Values | Units |
|---|---|---|
| UV/Vis |
282
324 sh |
nm |
| M⁺ | 300 | m/z |
| MS²⁺ |
120
151 180 181 |
m/z |
| [M⁻ H]⁻ | 299 | m/z |
STD
False
TLC
False
UV/Vis detector description
UV
Mass spectrometer description
Organism
Helianthus annuus
'VYP'
cultivated
fresh
Collection dates
1990-9
Sample note
The researchers collected the leaves of Helianthus annuus L., variety, VYP, when the plants were 1.2 m tall with flowers, 1 month before harvest.
Extraction solvents
water, dichloromethane
Extraction mass/volume-ratio
4.2 mg/mL
Extraction repeats
8
Extraction time
1 d
Extraction temperature
25 °C
References
F. Macías, J. Molinillo, A. Torres, R. Varela, and D. Castellano, "Bioactive flavonoids from Helianthus annuus cultivars.," Phytochemistry , vol. 45 , no. 4 , pp. 683–687 , DOI: 10.1016/S0031-9422(97)00011-3 .
