Spektraris NMR
Formoxanthone A
Common Name: Formoxanthone A
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C28H32O5/c1-16(2)8-6-9-18(5)13-15-19-24(30)21(14-12-17(3)4)28-23(25(19)31)26(32)20-10-7-11-22(29)27(20)33-28/h7-8,10-13,29-31H,6,9,14-15H2,1-5H3/b18-13+
InChIKey: InChIKey=PDMXCKAIRCJBTE-QGOAFFKASA-N
Formula: C28H32O5
Molecular Weight: 448.551734
Exact Mass: 448.224974
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Boonsri, S., Karalai, C., Ponglimanont, C., Kanjana-opas, A., Chantrapromma, K. Phytochemistry (2006) 67, 723-7
Species:
Notes: Family : Aromatics, Type : Xanthones; 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) | 158.6 |
| 2 (C) | 109 |
| 3 (C) | 161 |
| 4 (C) | 105.7 |
| 4a (C) | 152.5 |
| 5 (C) | 144.5 |
| 6 (CH) | 119.8 |
| 7 (CH) | 123.8 |
| 8 (CH) | 116.9 |
| 8a (C) | 120.9 |
| 9 (C) | 181.1 |
| 9a (C) | 103.3 |
| 10a (C) | 144.3 |
| 1' (CH2) | 21.6 |
| 2' (CH) | 121.1 |
| 3' (C) | 140.1 |
| 4' (CH2) | 39.7 |
| 5' (CH2) | 26.3 |
| 6' (CH) | 123.7 |
| 7' (C) | 132.1 |
| 8' (CH3) | 25.7 |
| 9' (CH3) | 16.3 |
| 10' (CH3) | 17.7 |
| 1'' (CH2) | 22 |
| 2'' (CH) | 122.4 |
| 3'' (C) | 133.1 |
| 4'' (CH3) | 25.6 |
| 5'' (CH3) | 17.9 |
