Spektraris NMR
Irisflavone B
Common Name: Irisflavone B
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C18H16O7/c1-22-12-8-11-13(14(20)17(12)23-2)15(21)18(24-3)16(25-11)9-6-4-5-7-10(9)19/h4-8,19-20H,1-3H3
InChIKey: InChIKey=CYIGDLOKZNAESA-UHFFFAOYSA-N
Formula: C18H16O7
Molecular Weight: 344.316133
Exact Mass: 344.089603
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Choudhary, M.I., Nur-e-Alam, M., Baig, I., Akhtar, F., Khan, A.M., Ndognii, P.O., Badarchiin, T., Purevsuren, G., Nahar, N., Atta ur, R. J Nat Prod (2001) 64, 857-60
Species:
Notes: Family : Flavonoids, Type : Flavonoids, Group : Flavonols; 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) | 155.4 |
| 3 (C) | 137.4 |
| 4 (C) | 175.4 |
| 5 (C) | 152.8 |
| 6 (C) | 132.7 |
| 7 (C) | 159.3 |
| 8 (CH) | 90.5 |
| 9 (C) | 153.1 |
| 10 (C) | 106.6 |
| 1' (C) | 118.2 |
| 2' (C) | 155.6 |
| 3' (CH) | 120.8 |
| 4' (CH) | 133.4 |
| 5' (CH) | 119.8 |
| 6' (CH) | 129.5 |
| 3a (CH3) | 62.3 |
| 6a (CH3) | 60.8 |
| 7a (CH3) | 56.8 |
