Spektraris NMR
5,3'-Dihydroxy-6,7,4',5'-tetramethoxyflavanone
Common Name: 5,3'-Dihydroxy-6,7,4',5'-tetramethoxyflavanone
Synonyms: 5,3'-Dihydroxy-6,7,4',5'-tetramethoxyflavanone
CAS Registry Number:
InChI: InChI=1S/C19H20O8/c1-23-14-6-9(5-11(21)18(14)25-3)12-7-10(20)16-13(27-12)8-15(24-2)19(26-4)17(16)22/h5-6,8,12,21-22H,7H2,1-4H3
InChIKey: InChIKey=ABIJRPKPVBZTCW-UHFFFAOYSA-N
Formula: C19H20O8
Molecular Weight: 376.358037
Exact Mass: 376.115818
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Flagg, M.L., Wachter, G.A., Davis, A.L., Montenegro, G., Timmermann, B.N. J Nat Prod (2000) 63, 1689-91
Species:
Notes: Family : Flavonoids, Type : Flavonoids, Group : Flavanones; 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) | 79.6 |
| 3 (CH2) | 43.4 |
| 4 (C) | 196.6 |
| 5 (C) | 155.2 |
| 6 (C) | 131 |
| 7 (C) | 161.3 |
| 8 (CH) | 91.6 |
| 9 (C) | 158.8 |
| 10 (C) | 103.5 |
| 1' (C) | 134.5 |
| 2' (CH) | 106.2 |
| 3' (C) | 149.9 |
| 4' (C) | 136.1 |
| 5' (C) | 152.9 |
| 6' (CH) | 102.2 |
| 6a (CH3) | 61.1 |
| 7a (CH3) | 56.3 |
| 4'a (CH3) | 61.1 |
| 5'a (CH3) | 56.1 |
