Chemical fact sheet: Carthorquinoside B

Carthorquinoside B

Basics

Category
Chalcones & aurones
IUPAC-name
(2R,5S)-4,5-dihydroxy-7-((E)-3-(4-hydroxyphenyl)acryloyl)-2-((1S,2R,3R)-1,2,3,4-tetrahydroxybutyl)-3-((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)-5-((3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)-3,5-dihydrobenzofuran-6(2H)-one
Formula
No formula stored
Exact mass
1044.27470 g/mol
Molecular weight
No weights stored
Structure
Chemical structure of carthorquinoside B
Figure 1.1: Chemical structure of carthorquinoside B

Sources

In summary, the chemical carthorquinoside B has been analyzed from following sources:

Carthamus tinctorius  L.
1st

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
344
420 		nm
[M⁻ H]⁻ 1043.26790 m/z
MS²⁻ 449
593
923
1025 		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 %. The most abundant fragment was 449 (100 %), then followed by 593 (26 %), 1025 (18 %), and 923 (6 %).The compound was obtained as a dark The molecular formula is identical to that of anhydrosafflor yellow B, a major compound from the florets of C. tinctorius. The compound was obtained as a orange, 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 .