Spektraris NMR
Isocryptomerin
Common Name: Isocryptomerin
Synonyms:
CAS Registry Number: 20931-58-2
InChI:
InChIKey:
Formula: C31H20O10
Molecular Weight: 552.4837
Exact Mass: 552.10565
NMR Solvent: DMSO-d6
MHz: 20.0
Calibration:
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: Taxodium distichum - Geiger, H. and De Groot-Pfleiderer, W. (1973). Phytochemistry 12, 465-466.
Notes:
Carbon NMR Peaks
| Position | PPM |
|---|---|
| 2 (may be reversed with 2'') | 163 |
| 3 (may be reversed with 3'') | 104 |
| 4 (may be reversed with 4'') | 181.7 |
| 5 (may be reversed with 7) | 160.5 |
| 6 | 98.9 |
| 7 | 161.4 |
| 8 | 94 |
| 9 (may be reversed with 7'') | 157.3 |
| 10 | 103.8 |
| 1' (may be reversed with 6'') | 124.9 |
| 2' (may be reversed with 6', 2''', 6''') | 128.4 |
| 3' | 115.1 |
| 4' | 162.2 |
| 5' | 115.1 |
| 6' (may be reversed with 2', 2''', 6''') | 128.4 |
| 2'' (may be reversed with 2) | 164.4 |
| 3'' (may be reversed with 3) | 102.8 |
| 4'' (may be reversed with 4) | 182.1 |
| 5'' (may be reversed with 9'') | 152.3 |
| 6'' (may be reversed with 1') | 124.4 |
| 7'' (may be reversed with 9) | 158.1 |
| 8'' | 92 |
| 9'' (may be reversed with 5'') | 154.1 |
| 10'' | 105.2 |
| 1''' | 121 |
| 2''' (may be reversed with 2', 6', 6''') | 128.6 |
| 3''' | 116 |
| 4''' | 161.4 |
| 5''' | 116 |
| 6''' (may be reversed with 2', 6', 2''') | 128.6 |
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