Spektraris NMR
(2R,3R )-(+)-4 '-O-Methyldihydroquercetin
Common Name: (2R,3R )-(+)-4 '-O-Methyldihydroquercetin
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C16H14O7/c1-22-11-3-2-7(4-9(11)18)16-15(21)14(20)13-10(19)5-8(17)6-12(13)23-16/h2-6,15-19,21H,1H3/t15-,16+/m0/s1
InChIKey: InChIKey=KQNGHARGJDXHKF-JKSUJKDBSA-N
Formula: C16H14O7
Molecular Weight: 318.278779
Exact Mass: 318.073953
NMR Solvent: CD3COCD3
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) | 84.2 |
| 3 (CH) | 73.2 |
| 4 (C) | 198.2 |
| 5 (C) | 164.1 |
| 6 (CH) | 97.1 |
| 7 (C) | 167.8 |
| 8 (CH) | 96.1 |
| 9 (C) | 165.7 |
| 10 (C) | 101.6 |
| 1' (C) | 131.1 |
| 2' (CH) | 120.5 |
| 3' (C) | 147.3 |
| 4' (C) | 148.9 |
| 5' (CH) | 112 |
| 6' (CH) | 115.5 |
| 4'a (CH3) | 56.3 |
