Spektraris NMR
5,6,7,4'-Tetramethoxyisoflavone
Common Name: 5,6,7,4'-Tetramethoxyisoflavone
Synonyms: 5,6,7,4'-Tetramethoxyisoflavone
CAS Registry Number:
InChI: InChI=1S/C19H18O6/c1-21-12-7-5-11(6-8-12)13-10-25-14-9-15(22-2)18(23-3)19(24-4)16(14)17(13)20/h5-10H,1-4H3
InChIKey: InChIKey=OVIIKCVNNUKDMQ-UHFFFAOYSA-N
Formula: C19H18O6
Molecular Weight: 342.343345
Exact Mass: 342.110338
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Carman, R.M., Russellmaynard, J.K.L., Schumann, R.C. Aust J Chem (1985) 38, 485-96
Species:
Notes: Family : Flavonoids, Type : Isoflavonoids, Group : Isoflavones; 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) | 150.5 |
| 3 (C) | 125.5 |
| 4 (C) | 175.1 |
| 5 (C) | 153.1 |
| 6 (C) | 140.6 |
| 7 (C) | 157.8 |
| 8 (CH) | 96.1 |
| 9 (C) | 154.7 |
| 10 (C) | 113.7 |
| 1' (C) | 124.3 |
| 2' (CH) | 130.3 |
| 3' (CH) | 113.9 |
| 4' (C) | 159.6 |
| 5' (CH) | 113.9 |
| 6' (CH) | 130.3 |
| 5a (CH3) | 55.3 |
| 6a (CH3) | 56.2 |
| 7a (CH3) | 61.5 |
| 4'a (CH3) | 62.1 |
