Spektraris NMR
2'-hydroxy-3,4,4',5-tet-ramethoxy-5',6'-(2'',2''-dimethylpyrano)chalcone
Common Name: 2'-hydroxy-3,4,4',5-tet-ramethoxy-5',6'-(2'',2''-dimethylpyrano)chalcone
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C24H26O7/c1-24(2)10-9-15-18(27-3)13-17(26)21(22(15)31-24)16(25)8-7-14-11-19(28-4)23(30-6)20(12-14)29-5/h7-13,26H,1-6H3/b8-7+
InChIKey: InChIKey=NPYZCJPNWUTNDN-BQYQJAHWSA-N
Formula: C24H26O7
Molecular Weight: 426.459956
Exact Mass: 426.167853
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Tomazela, D.M., Pupo, M.T., Passador, E.A., da Silva, M.F., Vieira, P.C., Fernandes, J.B., Fo, E.R., Oliva, G., Pirani, J.R. Phytochemistry (2000) 55, 643-51
Species:
Notes: Family : Flavonoids, Type : Chalconoids; 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 |
|---|---|
| 1 (C) | 130.8 |
| 2 (CH) | 105.3 |
| 3 (C) | 153.4 |
| 4 (C) | 139.5 |
| 5 (C) | 153.4 |
| 6 (CH) | 105.3 |
| α (CH) | 126.5 |
| β (CH) | 142.3 |
| 1' (C) | 105.9 |
| 2' (C) | 167.9 |
| 3' (CH) | 92.5 |
| 4' (C) | 161.3 |
| 5' (C) | 102.9 |
| 6' (C) | 156 |
| β' (C) | 192.4 |
| 2'' (C) | 77.7 |
| 3'' (CH) | 124.2 |
| 4'' (CH) | 116.9 |
| 5'' (CH3) | 28.1 |
| 6'' (CH3) | 28.1 |
| 3a (CH3) | 55.9 |
| 4a (CH3) | 63.1 |
| 5a (CH3) | 55.9 |
| 4'a (CH3) | 55.9 |
