Chalcone-2',4-dihydroxy-4'-O-β-glucoside
Basics
Category
Chalcones & aurones
IUPAC-name
(E)-3-(2-hydroxy-4-((3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)phenyl)-1-(4-hydroxyphenyl)prop-2-en-1-one
Formula
No formula stored
Exact mass
418.12640 g/mol
Molecular weight
No weights stored
Structure
Sources
In summary, the chemical chalcone-2',4-dihydroxy-4'-O-β-glucoside 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
- M. Pandey, A. Singh, U. Singh, S. Singh, and V. Pandey, "A new chalcone glycoside from Rhamnus nipalensis.," Natural Product Research , vol. 22 , no. 18 , pp. 1657–1659 , DOI: 10.1080/14786410701876635 .
Analysis results
Analysis result 1
| Detection technique | Values | Units |
|---|---|---|
| UV/Vis | 367 | nm |
| M⁺ | 418.12680 | m/z |
| MS²⁺ | 256 | m/z |
| MS³⁺ |
107
120 137 |
m/z |
STD
False
TLC
False
UV/Vis detector description
UV
Mass spectrometer description
EI-HRMS
Organism
Rhamnus nipalensis
Laws
wild
as whole, dried, all parts
Sample note
The authenticity of Rhamnus nipalensis was verified by Prof. NK Dubey of the Department of Botany, Banaras Hindu University, Varanasi. A specimen voucher of the plant is kept in the Department.
Extraction solvents
methanol
Extraction temperature
25 °C
Analysis solvents
MeOH
Detection note
The molecular ion peat at m/z was 418 [M]+, and a significant ion peak at m/z 256 due to loss of the glucose unit (162), which further gets fragmented into two halves giving rise to ions m/z 137 and 120. Acid hydrolysis furnished the aglycone, by spectral data as liquiritigenin.
References
M. Pandey, A. Singh, U. Singh, S. Singh, and V. Pandey, "A new chalcone glycoside from Rhamnus nipalensis.," Natural Product Research , vol. 22 , no. 18 , pp. 1657–1659 , DOI: 10.1080/14786410701876635 .