Spektraris NMR
Rhusflavanone
Common Name: Rhusflavanone
Synonyms: [6,8'-Bi-4H-1-benzopyran]-4,4'-dione, 2,2',3,3'-tetrahydro-5,5',7,7'-tetrahydroxy-2,2'-bis(4-hydroxyphenyl)-, (2S,2'S)-
CAS Registry Number: 53060-72-3
InChI:
InChIKey:
Formula: C30H22O10
Molecular Weight: 542.496
Exact Mass: 542.1213
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 | 5.31 | dd | 12.7, 2.8 |
| 3, 3" | 3.04 | m | |
| 3, 3" | 2.68 | m | |
| 8 | 6.14 | s | |
| 2', 6' | 7.57 | br d | 8.8 |
| 3', 5' | 6.79 | br d | 8.8 |
| 2" | 5.37 | dd | 12.7, 2.8 |
| 6" | 6.28 | s | |
| 2''', 6''' | 7.01 | br d | 8.8 |
| 3''', 5''' | 6.58 | br d | 8.8 |
Carbon NMR Peaks
| Position | PPM |
|---|---|
| 2 | 80 |
| 3 | 44.12 |
| 4 | 198.2 |
| 5 | 156.92 |
| 6 | 100.79 |
| 7 | 166.7 |
| 8 | 96.83 |
| 9 | 165.12 |
| 10 | 103.79 |
| 1', 1''' | 130.93 |
| 2', 6' | 129.28 |
| 3', 5' | 116.88 |
| 4' | 162.24 |
| 2" | 79.87 |
| 3" | 43.87 |
| 4" | 197.91 |
| 5" | 162.6 |
| 6" | 99.73 |
| 7" | 163.94 |
| 8" | 100.9 |
| 9" | 162.64 |
| 10" | 105.43 |
| 2''', 6''' | 128.52 |
| 3''', 5''' | 116.16 |
| 4''' | 158.57 |
