Spektraris NMR
Hypnogenol B1
Common Name: Hypnogenol B1
Synonyms: 4H-1-Benzopyran-4-one, 2-[2',6-dihydroxy-5'-(3,5,7-trihydroxy-4-oxo-4H-1-benzopyran-2-yl)[1,1'-biphenyl]-3-yl]-2,3-dihydro-3,5,7-trihydroxy- (9CI)
CAS Registry Number: 156250-61-2
InChI:
InChIKey:
Formula: C30H20O12
Molecular Weight: 572.478
Exact Mass: 572.0955
NMR Solvent: acetone-d6
MHz: 400 (1H)
Calibration: Solvent signals used as internal standards.
NMR references: Sievers, H., Burkhardt, G., Becker, H., Zinsmeister, H. (1994). Further Biflavonoids and 3'-Phenylflavonoids from Hypnum cupressiforme. Phytochemistry 33, 795-798.
Species: Hypnum cupressiforme - Sievers, H., Burkhardt, G., Becker, H., Zinsmeister, H. (1994). Further Biflavonoids and 3'-Phenylflavonoids from Hypnum cupressiforme. Phytochemistry 33, 795-798.
Notes:
Proton NMR Peaks
| Position | PPM | Peak Type | J (Hz) |
|---|---|---|---|
| 2 | 5.09 | d | 11.5 |
| 3 | 4.64 | dd | 11.6, 5.7 |
| 3-OH | 5.78 | d | 6.1 |
| 5-OH | 11.91 | s | |
| 6 | 5.87 | d | |
| 7-OH | 10.75 | s | |
| 8 | 5.88 | d | 2.2 |
| 2' | 7.28 | d | 2.1 |
| 5' | 6.93 | d | 8.3 |
| 6' | 7.33 | dd | 8.3, 2.1 |
| 3"-OH | 9.37 | s | |
| 5"-OH | 12.47 | s | |
| 6" | 6.17 | d | 2.1 |
| 7"-OH | 10.81 | s | |
| 8" | 6.42 | d | 2.1 |
| 2''' | 7.99 | m | |
| 5''' | 7.04 | d | 9.6 |
| 6''' | 7.99 | m |
