Spektraris NMR
(2R,3S)-(+)-3',5-dihydroxy-4',7-dimethoxydihydroflavonol
Common Name: (2R,3S)-(+)-3',5-dihydroxy-4',7-dimethoxydihydroflavonol
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C17H16O7/c1-22-9-6-11(19)14-13(7-9)24-17(16(21)15(14)20)8-3-4-12(23-2)10(18)5-8/h3-7,16-19,21H,1-2H3/t16-,17-/m1/s1
InChIKey: InChIKey=SVPNMFZMHPLGRR-IAGOWNOFSA-N
Formula: C17H16O7
Molecular Weight: 332.305397
Exact Mass: 332.089603
NMR Solvent: CD3OD
MHz:
Calibration:
NMR references: 13C - Islam, M.T., Tahara, S. Phytochemistry (2000) 54, 901-7
Species:
Notes: Family : Flavonoids, Type : Flavonoids, Group : Flavanonols; 13 C Spectrum from Naproc 13: José Luis López-Pérez, Roberto Therón, Esther del Olmo, David Díaz: NAPROC-13: a database for the dereplication of natural product mixtures in bioassay-guided protocols. Bioinformatics 23(23):3256-3257 (2007)
Carbon NMR Peaks
| Position | PPM |
|---|---|
| 2 (CH) | 82.2 |
| 3 (CH) | 77.8 |
| 4 (C) | 191.6 |
| 5 (C) | 163.3 |
| 6 (CH) | 95.8 |
| 7 (C) | 170.3 |
| 8 (CH) | 95 |
| 9 (C) | 165.4 |
| 10 (C) | 103.6 |
| 1' (C) | 129.3 |
| 2' (CH) | 119.4 |
| 3' (C) | 147.8 |
| 4' (C) | 149.3 |
| 5' (CH) | 112.7 |
| 6' (CH) | 114.8 |
| 7a (CH3) | 57 |
| 4'a (CH3) | 56.9 |
