Spektraris NMR
3'''-O-methylamentoflavone
Common Name: 3'''-O-methylamentoflavone
Synonyms: 4H-1-Benzopyran-4-one, 8-[5-(5,7-dihydroxy-4-oxo-4H-1-benzopyran-2-yl)-2-hydroxyphenyl]-5,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-
CAS Registry Number: 1375799-58-8
InChI:
InChIKey:
Formula: C31H20O11
Molecular Weight: 568.49
Exact Mass: 568.1006
NMR Solvent: DMSO-d6
MHz: 500 (1H), 125 (13C)
Calibration: not indicated
NMR references: Sun, M., Feng, X., Yin, M., Chen, Y., Zhao, X., Dong, Y. (2012). A Biflavonoid from Stems and Leaves of Lonicera macranthoides. Chem. Nat. Compd. 48, 231-233.
Species: Lonicera macranthoides - Sun, M., Feng, X., Yin, M., Chen, Y., Zhao, X., Dong, Y. (2012). A Biflavonoid from Stems and Leaves of Lonicera macranthoides. Chem. Nat. Compd. 48, 231-233.
Notes:
Proton NMR Peaks
| Position | PPM | Peak Type | J (Hz) |
|---|---|---|---|
| 3 | 6.69 | s | |
| 6 | 6.13 | d | 2.1 |
| 8 | 6.21 | d | 2.1 |
| 2' | 8.24 | s | |
| 5' | 6.86 | d | 8.45 |
| 6' | 7.83 | d | 8.45 |
| 3" | 6.78 | s | |
| 6" | 5.97 | s | |
| 2''' | 7.28 | s | |
| 5''' | 6.54 | d | 8.25 |
| 6''' | 7.35 | d | 8.25 |
| OCH3 | 3.58 | s | |
| 5-OH | 13.05 | s | |
| 5"-OH | 13.2 | s |
Carbon NMR Peaks
| Position | PPM |
|---|---|
| 2 | 164.6 |
| 3 | 101.6 |
| 4 | 181.3 |
| 5 | 161.3 |
| 6 | 98.7 |
| 7 | 163.9 |
| 8 | 93.7 |
| 9 | 157.2 |
| 10 | 103.4 |
| 1' | 117.3 |
| 2' | 131.2 |
| 3' | 123.9 |
| 4' | 165.3 |
| 5' | 119.6 |
| 6' | 126 |
| 2" | 162.3 |
| 3" | 102.4 |
| 4" | 181.4 |
| 5" | 160.3 |
| 6" | 101.8 |
| 7" | 160.3 |
| 8" | 107.2 |
| 9" | 154.6 |
| 10" | 101.4 |
| 1''' | 121.9 |
| 2''' | 110 |
| 3''' | 147.7 |
| 4''' | 150.1 |
| 5''' | 115.3 |
| 6''' | 120 |
| OCH3 | 55.5 |
