Spektraris NMR
Rhusflavone
Common Name: Rhusflavone
Synonyms: [6,8'-Bi-4H-1-benzopyran]-4,4'-dione, 2,3-dihydro-5,5',7,7'-tetrahydroxy-2,2'-bis(4-hydroxyphenyl)-, (2S)-
CAS Registry Number: 53497-36-2
InChI:
InChIKey:
Formula: C30H20O10
Molecular Weight: 540.47
Exact Mass: 540.1057
NMR Solvent: CD3OD
MHz: 400 (1H), 100 (13C)
Calibration: not indicated
NMR references: Shrestha, S., Park, J., Lee, D., Cho, J., Cho, S., Yang, H., Yong, H., Yoon, M., Han, D., Baek, N. (2012). Rhus parviflora and its biflavonoid constituent, rhusflavone, induce sleep through the positive allosteric modulation of GABAA-benzodiazepine receptors. J. Ethnopharmacol. 142, 213-220.
Species: Rhus parviflora - Shrestha, S., Park, J., Lee, D., Cho, J., Cho, S., Yang, H., Yong, H., Yoon, M., Han, D., Baek, N. (2012). Rhus parviflora and its biflavonoid constituent, rhusflavone, induce sleep through the positive allosteric modulation of GABAA-benzodiazepine receptors. J. Ethnopharmacol. 142, 213-220.
Notes:
Proton NMR Peaks
| Position | PPM | Peak Type | J (Hz) |
|---|---|---|---|
| 2 | 5.35 | dd | 12.4, 2.4 |
| 3 | 3.17 | m | |
| 3 | 2.74 | m | |
| 8 | 6.15 | s | |
| 2', 6' | 7.35 | br d | 8.4 |
| 3', 5' | 6.83 | br d | 8.4 |
| 3" | 6.54 | s | |
| 6" | 6.35 | s | |
| 2''', 6''' | 7.52 | br d | 8.4 |
| 3''', 5''' | 6.76 | br d | 8.4 |
Carbon NMR Peaks
| Position | PPM |
|---|---|
| 2 | 80.5 |
| 3 | 43.95 |
| 4 | 197.89 |
| 5 | 163.42 |
| 6, 3" | 103.22 |
| 7 | 166.66 |
| 8 | 95.88 |
| 9 | 164.32 |
| 10 | 101.05 |
| 1' | 130.91 |
| 2', 6' | 129.12 |
| 3', 5' | 116.45 |
| 4' | 158.78 |
| 2" | 165.85 |
| 4" | 184.06 |
| 5" | 162.38 |
| 6" | 99.85 |
| 7" | 164.06 |
| 8" | 100.45 |
| 9" | 156.91 |
| 10" | 105.4 |
| 1''' | 123.26 |
| 2''', 6''' | 129.55 |
| 3''', 5''' | 116.76 |
| 4''' | 162.27 |
