Spektraris NMR
5-Hydroxy-3',4',6,7-tetramethoxyflavone
Common Name: 5-Hydroxy-3',4',6,7-tetramethoxyflavone
Synonyms: 5-Hydroxy-3',4',6,7-tetramethoxyflavone
CAS Registry Number:
InChI: InChI=1S/C19H18O7/c1-22-12-6-5-10(7-14(12)23-2)13-8-11(20)17-15(26-13)9-16(24-3)19(25-4)18(17)21/h5-9,21H,1-4H3
InChIKey: InChIKey=QEWSAPKRFOFQIU-UHFFFAOYSA-N
Formula: C19H18O7
Molecular Weight: 358.34275
Exact Mass: 358.105253
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Maldonado, E., Ortega, A. Phytochemistry (1997) 46, 1249-54
Species:
Notes: Family : Flavonoids, Type : Flavonoids, Group : Flavones; 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 (C) | 163.9 |
| 3 (CH) | 104.4 |
| 4 (C) | 182.6 |
| 5 (C) | 153.2 |
| 6 (C) | 132.6 |
| 7 (C) | 158.7 |
| 8 (CH) | 90.6 |
| 9 (C) | 153.1 |
| 10 (C) | 106.1 |
| 1' (C) | 123.7 |
| 2' (CH) | 108.7 |
| 3' (C) | 149.3 |
| 4' (C) | 152.3 |
| 5' (CH) | 111.1 |
| 6' (CH) | 120.1 |
| 6a (CH3) | 60.8 |
| 7a (CH3) | 56.3 |
| 3'a (CH3) | 56.1 |
| 4'a (CH3) | 56.1 |
