Chemical fact sheet: Carthorquinoside A

Carthorquinoside A

Basics

Category
Chalcones & aurones
IUPAC-name
5,7-dihydroxy-2-(4-hydroxyphenyl)-8-(((3S)-2,3,6-trihydroxy-5-((E)-3-(4-hydroxyphenyl)acryloyl)-4-oxo-3-((3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)cyclohexa-1,5-dien-1-yl)methyl)-3,6-bis(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one
Formula
No formula stored
Exact mass
1088.26450 g/mol
Molecular weight
No weights stored
Structure
Chemical structure of carthorquinoside A
Figure 1.1: Chemical structure of carthorquinoside A

Sources

In summary, the chemical carthorquinoside A 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

  1. S. Yue, C. Qu, P. Zhang, Y. Tang, Y. Jin, J. Jiang, Y. Yang, P. Zhang, and J. Duan, "Carthorquinosides A and B, quinochalcone C-glycosides with diverse dimeric skeletons from Carthamus tinctorius.," Journal of Natural Products , vol. 79 , no. 10 , pp. 2644–2651 , DOI: 10.1021/acs.jnatprod.6b00561 .

Analysis results

Analysis result 1

Detection technique Values Units
UV/Vis 228
271
342
402
nm
[M⁻ H]⁻ 1087.25630 m/z
MS²⁻ 461
625
879
1025
1043
1069
m/z
STD
False
TLC
False
UV/Vis detector description
UV/Vis
Mass spectrometer description
HR-ESI-MS, LTQ orbitrap
Organism
Carthamus tinctorius  L.
dried
Sample note
The florets were identified by Prof. C.-G. Wang (College of Pharmacy, Nanjing University of Chinese Medicine). A voucher specimen was deposited in the herbarium of University of Chinese Medicine, Nanjing, Republic of China.
Extraction solvents
75 % ethanol, 95 % ethanol
Extract drying temperature
⩽45 °C
Analysis solvents
petroleum ether; ethyl acetate; water; ethanol, methanol
Detection note
In MS/MS analyses CID was 25.0 %. The most abundant fragments were 461 (100 %) and 625 (92 %), then 1069 (7 %), 1043 (6 %) etc. The compound was obtained as a yellow, amorphous powder.
References

S. Yue, C. Qu, P. Zhang, Y. Tang, Y. Jin, J. Jiang, Y. Yang, P. Zhang, and J. Duan, "Carthorquinosides A and B, quinochalcone C-glycosides with diverse dimeric skeletons from Carthamus tinctorius.," Journal of Natural Products , vol. 79 , no. 10 , pp. 2644–2651 , DOI: 10.1021/acs.jnatprod.6b00561 .