Spektraris NMR
7"-O-methoxyrobustaflavone
Common Name: 7"-O-methoxyrobustaflavone
Synonyms: 4H-1-Benzopyran-4-one, 6-[5-(5,7-dihydroxy-4-oxo-4H-1-benzopyran-2-yl)-2-hydroxyphenyl]-5-hydroxy-2-(4-hydroxyphenyl)-7-methoxy-
CAS Registry Number: 136638-91-0
InChI:
InChIKey:
Formula: C31H20O10
Molecular Weight: 552.49
Exact Mass: 552.1056
NMR Solvent: DMSO-d6
MHz: 90.8 (13C)
Calibration: TMS
NMR references: Silva, G., Chai, H., Gupta, M., Farnsworth, N., Cordell, G., Pezzuto, J., Beecher, C., Kinghorn, A. (1995). Cytotoxic Biflavonoids from Selaginella willdenowii. Phytochemistry 40, 129-134.
Species: Selaginella willdenowii - Silva, G., Chai, H., Gupta, M., Farnsworth, N., Cordell, G., Pezzuto, J., Beecher, C., Kinghorn, A. (1995). Cytotoxic Biflavonoids from Selaginella willdenowii. Phytochemistry 40, 129-134.
Notes:
Carbon NMR Peaks
| Position | PPM |
|---|---|
| 2 | 163.7 |
| 3 | 103.1 |
| 4 | 181.6 |
| 5 | 161.4 |
| 6 | 98.8 |
| 7 | 164.1 |
| 8 | 94 |
| 9 | 157.3 |
| 10 | 103.7 |
| 1' | 121 |
| 2' | 130.7 |
| 3' | 120.5 |
| 4' | 159.4 |
| 5' | 116.1 |
| 6' | 127.6 |
| 2" | 163.9 |
| 3" | 102.8 |
| 4" | 181.9 |
| 5" | 158.1 |
| 6" | 109.3 |
| 7" | 162.9 |
| 8" | 90.6 |
| 9" | 156.8 |
| 10" | 104.6 |
| 1''' | 121.1 |
| 2''' | 128.5 |
| 3''' | 116 |
| 4''' | 161.3 |
| 5''' | 116 |
| 6''' | 128.5 |
| OCH3 | 56.3 |
