Spektraris NMR
Afzeliixanthone B
Common Name: Afzeliixanthone B
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C20H20O6/c1-20(2,23)8-7-11-9-14(21)19-16(18(11)25-4)17(22)13-10-12(24-3)5-6-15(13)26-19/h5-10,21,23H,1-4H3/b8-7-
InChIKey: InChIKey=IWSMDIJQXFUPPE-FPLPWBNLSA-N
Formula: C20H20O6
Molecular Weight: 356.369963
Exact Mass: 356.125988
NMR Solvent: CD3COCD3
MHz:
Calibration:
NMR references: 13C - Kamdem Waffo, A.F., Mulholland, D., Wansi, J.D., Mbaze, L.M., Powo, R., Mpondo, T.N., Fomum, Z.T., Konig, W., Nkengfack, A.E. Chem Pharm Bull (2006) 54, 448-51
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) | 159.5 |
| 2 (C) | 110.3 |
| 3 (CH) | 100.5 |
| 4 (C) | 156 |
| 4a (C) | 150.7 |
| 5 (CH) | 119.7 |
| 6 (CH) | 128.4 |
| 7 (C) | 146.2 |
| 8 (CH) | 114.1 |
| 8a (C) | 117.2 |
| 9 (C) | 179.6 |
| 9a (C) | 112.3 |
| 10a (C) | 145.3 |
| 1' (CH) | 115.1 |
| 2' (CH) | 126 |
| 3' (C) | 74 |
| 4' (CH3) | 14.3 |
| 5' (CH3) | 14.3 |
| 1a (CH3) | 63.2 |
| 7a (CH3) | 56.2 |
