Spektraris NMR
Isoginkgetin
Common Name: Isoginkgetin
Synonyms: 3''',8-Biflavone, 5,5'',7,7''-tetrahydroxy-4',4'''-dimethoxy-4',4'''-Dimethylamentoflavone
CAS Registry Number: 548-19-6
InChI:
InChIKey:
Formula: C32H22O10
Molecular Weight: 566.51
Exact Mass: 566.1213
NMR Solvent: DMSO-d6
MHz: 20.0
Calibration: not indicated
NMR references: Markham, K., Sheppard, C., Geiger, H. (1987) . 13C NMR Studies of some naturally occurring Amentoflavone and Hinokiflavone Biflavonoids.Phytochemistry 26, 3335-3337.
Species: Ginkgo bilobo
Notes: No 1H NMR data presented by Markham et al.
Carbon NMR Peaks
| Position | PPM |
|---|---|
| 2 (may be reversed with 7, 2") | 163.4 |
| 3 (may be reversed with 10, 8", 10") | 103.7 |
| 4 (may be reversed with 4") | 181.8 |
| 5 (may be reversed with 4', 5", 7", 4''') | 161.9 |
| 6 (may be reversed with 6") | 98.8 |
| 7 (may be reversed with 2, 2") | 163.1 |
| 8 | 94.2 |
| 9 | 157.5 |
| 10 (may be reversed with 3, 8", 10") | 103.8 |
| 1' | 122.6 |
| 2' | 128.2 |
| 3' | 121.7 |
| 4' (may be reversed with 5, 5", 7", 4''') | 160.7 |
| 5' | 111.5 |
| 6' | 130.8 |
| 2" (may be reversed with 2, 7) | 164.3 |
| 3" | 103.3 |
| 4" (may be reversed with 4) | 182.1 |
| 5" (may be reversed with 5, 4', 7", 4''') | 160.5 |
| 6" (may be reversed with 6) | 99 |
| 7" (may be reversed with 5, 4', 5", 4''') | 161.7 |
| 8" (may be reversed with 3, 10, 10") | 103.9 |
| 9" | 154.4 |
| 10 " | 103.8 |
| 1''' | 122.9 |
| 2''' | 127.8 |
| 3''' | 114.4 |
| 4''' (may be reversed with 5, 4', 5", 7") | 162.3 |
| 5''' | 114.5 |
| 6''' | 127.7 |
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